CN114834200A - Eccentric split type spring supporting structure and suspension structure - Google Patents
Eccentric split type spring supporting structure and suspension structure Download PDFInfo
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- CN114834200A CN114834200A CN202210501480.4A CN202210501480A CN114834200A CN 114834200 A CN114834200 A CN 114834200A CN 202210501480 A CN202210501480 A CN 202210501480A CN 114834200 A CN114834200 A CN 114834200A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/14—Resilient suspensions characterised by arrangement, location or kind of springs having helical, spiral or coil springs only
- B60G11/16—Resilient suspensions characterised by arrangement, location or kind of springs having helical, spiral or coil springs only characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/12—Wound spring
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Abstract
The application discloses an eccentric split type spring bearing structure and a suspension structure, and relates to the technical field of automobile chassis structures, wherein the spring bearing structure comprises a supporting main body structure, a main positioning pin for inserting a positioning hole of a longitudinal beam of an automobile body is arranged upwards and convexly on the top surface of the supporting main body structure, and a vertical metal reinforcing pipe is arranged in the main positioning pin in a wrapping mode; the bottom surface of the main supporting structure is provided with a lower positioning column which is used for matching with the spring body in a downward inclined manner; the axis of the metal reinforcing pipe is intersected with the axis of the lower positioning column, and the metal reinforcing pipe and the lower positioning column form an acute eccentric angle. The spring supporting structure and the suspension structure meet the requirement of large bearing capacity of the electric automobile, and are good in fatigue durability; and an eccentric angle is arranged, so that the lateral force of the spring body can be borne.
Description
Technical Field
The application relates to the technical field of automobile chassis structures, in particular to an eccentric split type spring supporting structure and a suspension structure.
Background
At present, the automobile often jolts to different degrees in the driving process, and in order to improve the comfort and reduce the jolt feeling, a buffer structure needs to be arranged on an automobile chassis, so that the jolt feeling of a cab and a passenger compartment is smaller.
In the related art, the buffer structure comprises a spring buffer cushion which is used as an important bearing part of an automobile chassis and connects a spring with an automobile body, so that the impact of a road surface on the automobile body is reduced. The spring buffer cushion adopts a rubber cushion structure which mainly depends on the material characteristics of the material of the spring buffer cushion.
However, with the development of electric driving of automobiles, the load of automobiles becomes heavier, the spring stiffness becomes higher, and the demand for spring cushions is higher and higher. Traditional rubber pad structure, fatigue durability and intensity can't bear big rigidity spring, can't satisfy electric automobile's demand. Simultaneously, the vertical setting of current spring cushion structure cooperation spring body mainly bears the vertical effort of spring, belongs to the atress situation of idealization, does not properly consider the spring for spring cushion's lateral force.
Therefore, there is a need in the art to design a spring cushion that satisfies the heavy load requirement of the electric vehicle and considers the lateral force comprehensively.
Disclosure of Invention
Aiming at the defects in the prior art, the application aims to provide an eccentric split type spring supporting structure and a suspension structure, which meet the large bearing requirement of an electric automobile and have good fatigue durability; and an eccentric angle is arranged, so that the lateral force of the spring body can be borne.
In order to achieve the above purposes, the technical scheme is as follows: an eccentric split type spring bearing structure comprises a supporting main body structure, wherein a main positioning pin for inserting a positioning hole of a longitudinal beam of a vehicle body is arranged in a protruding mode on the top surface of the supporting main body structure, and a vertical metal reinforcing pipe is arranged in the main positioning pin in a covering mode; the bottom surface of the support main body structure is downwards obliquely provided with a lower positioning column used for matching with the spring body; the axis of the metal reinforcing pipe is intersected with the axis of the lower positioning column, and the metal reinforcing pipe and the lower positioning column form an acute eccentric angle.
On the basis of the technical scheme, the circumferential direction of the main positioning pin is provided with more than two buckles, and the buckles are used for clamping the side walls of the positioning holes of the longitudinal beams of the vehicle body.
On the basis of the technical scheme, the top surface of the main supporting structure is horizontal, the upper supporting cushion is paved on the top surface of the main supporting structure, and the main positioning pin penetrates through the upper supporting cushion.
On the basis of the technical scheme, the spring support structure further comprises a lower supporting cushion, the lower supporting cushion is sleeved on the lower positioning column, and the lower supporting cushion is tightly attached to the bottom surface of the supporting main body structure.
On the basis of the technical scheme, the main supporting body structure is of a cake-shaped structure, and the thickness of the longitudinal section of the main supporting body structure is gradually thicker from front to back; the top ends of the lower positioning columns are perpendicular to the bottom surface of the support main body structure, and the bottom ends of the lower positioning columns are obliquely arranged downwards and forwards; the supporting main body structure top surface still sets up the bellied assistance locating pin that makes progress, and assists the locating pin and set up in the thicker one side of supporting main body structure thickness.
On the basis of the technical scheme, the support main body structure is of a radiation hollow structure, the main positioning pin is used as the center, a plurality of annular reinforcing ribs with different diameters are arranged in a diffusion mode, and a plurality of radial reinforcing ribs connected with the different annular reinforcing ribs are arranged.
The application also discloses a suspension structure, suspension structure contains automobile body longeron, spring body, suspension swing arm and above-mentioned spring supporting structure, spring supporting structure's main locating pin is inserted and is established the locating hole to automobile body longeron, the top cover of spring body is established and is supported and hold down the reference column, the bottom of spring body is connected to the suspension swing arm.
On the basis of the technical scheme, more than two buckles are arranged on the circumferential direction of the main positioning pin and used for clamping the side wall of the vehicle body longitudinal beam positioning hole; the top surface of the support main body structure is horizontal, an upper support cushion is laid on the top surface of the support main body structure, and the main positioning pin penetrates through the upper support cushion; the spring support structure still contains the under bracing cushion, the reference column is located down to the under bracing cushion cover, and the under bracing cushion closely laminates in supporting the major structure bottom surface.
On the basis of the technical scheme, the lower supporting cushion is sleeved on the lower positioning column in an interference manner, and the top end of the spring body is sleeved on the lower supporting cushion in an interference manner.
On the basis of the technical scheme, the main supporting body structure is of a cake-shaped structure, and the thickness of the longitudinal section of the main supporting body structure is gradually thicker from front to back; the top ends of the lower positioning columns are perpendicular to the bottom surface of the support main body structure, and the bottom ends of the lower positioning columns are obliquely arranged downwards and forwards; the top surface of the support main body structure is also provided with an auxiliary positioning pin protruding upwards, and the auxiliary positioning pin is arranged on one side of the support main body structure with thicker thickness; the support main structure is a radiation hollow structure, and the support main structure is diffused with a plurality of annular reinforcing ribs with different diameters and a plurality of radial reinforcing ribs for connecting the different annular reinforcing ribs by taking the main positioning pin as a center.
The beneficial effect that technical scheme that this application provided brought includes:
1. the application discloses spring supporting structure supports the main structure top surface and upwards sets up main locating pin to the arch, and main locating pin is used for pegging graft automobile body longeron's locating hole, plays the effect that the location supported. A vertical metal reinforcing pipe is coated in the main positioning pin; adding a metal reinforcing pipe into the main positioning pin, and butting the metal reinforcing pipe with a positioning hole of a vehicle body longitudinal beam; the structure can well realize the stress supporting and buffering of the spring body, the metal reinforcing pipe is wrapped inside the spring body through an injection molding process, the strength and the durability of the whole spring supporting structure are greatly improved, and the large bearing requirement of the electric automobile is met.
The bottom surface of the support main body structure is provided with a lower positioning column in a downward inclined manner, and the lower positioning column is used for matching with the spring body; the axis of the metal reinforcing pipe is intersected with the axis of the lower positioning column, the metal reinforcing pipe and the axis of the lower positioning column form an acute eccentric angle, and the axis of the spring body is superposed with the axis of the lower positioning column; according to the spring support structure, the eccentric angle is arranged, so that a certain angle (acute eccentric angle) is formed between the stress axis of the spring body and the axis of the metal reinforcing pipe, an eccentric effect is generated, and the capability of bearing a part of lateral force of the spring support structure is provided; for the vertical situation that sets up downwards of prior art's lower reference column, the spring support structure of this application is close actual atress situation more, can bear partial eccentric power, and the practicality is strong, and the damping is effectual.
2. The utility model provides a spring supporting structure, the circumference of main locating pin sets up two above buckles, and the buckle is used for the lateral wall of joint automobile body longeron locating hole. The utility model provides a main locating pin's circumference sets up the buckle, has further strengthened the connection stability of spring support structure and automobile body longeron, can avoid main locating pin to take place rotary motion in automobile body longeron locating hole inside.
3. According to the spring bearing structure, the top surface of the main supporting structure is horizontal, an upper supporting cushion is laid on the top surface of the main supporting structure, and the main positioning pin penetrates through the upper supporting cushion; the spring supporting structure also comprises a lower supporting soft cushion which is sleeved on the lower positioning column and is tightly attached to the bottom surface of the supporting main body structure; the lower supporting cushion is not only fully distributed on the whole lower surface of the supporting main body structure, but also wraps all side walls of the lower positioning column.
The utility model provides a spring support structure adopts split type structure, mainly contains support major structure, goes up support cushion and under bracing cushion, and support cushion and/or under bracing cushion can be replaced alone to split type structure, are favorable to vehicle after sale to trade, greatly reduced user cost of maintenance.
4. According to the spring supporting structure, the supporting main body structure is of a cake-shaped structure, and the thickness of the longitudinal section of the supporting main body structure is gradually thicker from front to back; the top end of the lower positioning column is perpendicular to the bottom surface of the support main body structure, and the bottom end of the lower positioning column is obliquely arranged downwards and forwards; the axis of the spring body faces downwards and forwards, the axis of the metal reinforcing pipe is vertical, and an acute eccentric angle is formed between the two axes. The top surface of the supporting main body structure is also provided with an auxiliary positioning pin which protrudes upwards, the auxiliary positioning pin is of a conical structure, and the positioning pin is arranged on one side of the supporting main body structure, which is thicker in thickness. The utility model provides an assist the locating pin on the basis of main locating pin, further strengthened spacing fixed effect, assist the locating pin setting in the one side that support major structure thickness is thicker, safe and reliable, and assist the locating pin and provide firm basis for the yawing force that produces because of the eccentric angle.
5. According to the suspension structure, the top end of the spring body is sleeved and abutted against the lower positioning column, and the bottom end of the spring body is connected to the suspension swing arm; when the vehicle body jolts and the suspension swing arm and the vehicle body longitudinal beam relatively displace, the spring body elastically deforms, and the elastic force of the spring body is transmitted to the spring supporting structure;
and the spring support structure contains the support subject structure, and the support subject structure top surface is upwards protruding to be provided with main locating pin, and main locating pin is used for pegging graft the locating hole of automobile body longeron, plays the effect of location support. The main positioning pin is internally coated with a vertical metal reinforcing pipe. According to the spring support structure, the metal reinforcing pipe is added into the main positioning pin and is butted with the positioning hole of the vehicle body longitudinal beam; the structure can well realize the stress supporting and buffering of the spring body, the metal reinforcing pipe is wrapped inside the spring body through an injection molding process, the strength and the durability of the whole spring supporting structure are greatly improved, and the large bearing requirement of the electric automobile is met.
Meanwhile, due to the eccentric angle arranged on the spring supporting structure, the stress axis of the spring body and the axis of the metal reinforcing pipe have a certain angle, so that an eccentric effect is generated, and the capability of bearing a part of lateral force of the spring supporting structure is provided; for the vertical situation that sets up downwards of prior art's lower reference column, the suspension structure of this application is close actual situation more, can bear partial eccentric power, and the practicality is strong. Meanwhile, the spring support structure with the metal reinforcing pipe can bear the large bearing requirement in the vertical direction and can also bear lateral eccentric force, the actual spring stress situation is better met, and the vibration reduction effect is better.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a spring support structure provided in an embodiment of the present application;
FIG. 2 is a cross-sectional view of a spring support structure provided in an embodiment of the present application;
FIG. 3 is a top view of the spring support structure provided in accordance with an embodiment of the present application with the upper support cushion removed;
FIG. 4 is a schematic partial structural view of a suspension structure provided in an embodiment of the present application;
reference numerals: 1. an upper support cushion; 2. supporting the body structure; 3. a lower supporting cushion; 4. a main positioning pin; 5. a metal reinforcing tube; 6. buckling; 7. auxiliary positioning pins; 8. a lower positioning column; 100. a spring support structure; 101. a spring body; 102. a vehicle body side member.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 and fig. 2, the present application discloses an eccentric split type spring bearing structure, the spring bearing structure 100 includes a supporting main body structure 2, a main positioning pin 4 is provided on the top surface of the supporting main body structure 2 in an upward protruding manner, and the main positioning pin 4 is used for plugging into a positioning hole of a vehicle body longitudinal beam 102 to play a role of positioning support. The main positioning pin 4 is internally coated with a vertical metal reinforcing pipe 5.
Specifically, the metal reinforcing pipe 5 is placed in the main positioning pin 4 and integrally injection-molded. According to the spring support structure 100, the metal reinforcing pipe 5 is added into the main positioning pin 4 and is butted with the positioning hole of the vehicle body longitudinal beam 102; the structure can well realize the stress supporting and buffering of the spring body, the metal reinforcing pipe is wrapped inside the spring body through an injection molding process, the strength and the durability of the whole spring supporting structure 100 are greatly improved, and the large bearing requirement of the electric automobile is met.
The bottom surface of the main supporting structure 2 is provided with a lower positioning column 8 in a downward inclined manner, and the lower positioning column 8 is used for matching with the spring body 101. Specifically, the top end of the spring body 101 is sleeved outside the lower positioning column 8 and abuts against the bottom surface of the main supporting structure 2. The axis of the metal reinforcing pipe 5 is intersected with the axis of the lower positioning column 8, and the two form an acute eccentric angle. Specifically, in actual assembly, the axis of the spring body 101 coincides with the axis of the lower positioning column 8.
According to the spring support structure, the lower positioning column 8 is arranged to be an eccentric structure, so that a certain angle (acute eccentric angle) is formed between the stress axis of the spring body 101 and the axis of the metal reinforcing pipe 5, an eccentric effect is generated, and the capability of bearing a part of lateral force of the spring support structure is provided; for the vertical downward situation that sets up of lower reference column 8 of prior art, the spring support structure of this application is close actual situation more, can bear partial eccentric force, and the practicality is strong. Meanwhile, the spring support structure with the metal reinforcing pipe 5 can bear the large bearing requirement in the vertical direction and can also bear the lateral eccentric force, the actual spring stress situation is better met, and the vibration reduction effect is better.
Preferably, the main locating pin 4 is arranged at the very centre of the top surface of the support body structure 2. The metal reinforcing pipe 5 in the main positioning pin 4 is positioned in the center, so that the peripheral structure can be considered, and the requirement of large bearing is met.
In one embodiment, more than two buckles 6 are arranged on the periphery of the main positioning pin 4, and the buckles 6 are used for clamping the side walls of the body longitudinal beam positioning holes. The circumference of main locating pin 4 of this application sets up buckle 6, has further strengthened the stability of being connected of spring support structure and automobile body longeron, can avoid main locating pin 4 to take place rotary motion in automobile body longeron locating hole inside.
In one embodiment, the top surface of the support body structure 2 is horizontal and its top surface is laid with the upper support cushion 1 and the main positioning pins 4 penetrate the upper support cushion 1. The supporting main structure 2 of this application sets up and supports cushion 1, plays the effect of protection, goes up supporting cushion 1 and not only avoids supporting main structure 2 to cause the fish tail to automobile body longeron 102, and has further increased the effect of buffering.
Preferably, the top surface of the support body structure 2 is horizontal, and the top surface thereof is paved with the upper support cushion 1; however, the upper surface of the upper support cushion 1 is provided with a plurality of rubber protrusions, and the plurality of rubber protrusions increase the friction factor between the support main body structure 2 and the vehicle body longitudinal beam 102.
In one embodiment, the spring support structure 100 further comprises a lower support cushion 3, the lower support cushion 3 is sleeved on the lower positioning column 8, and the lower support cushion 3 is tightly attached to the bottom surface of the support main structure 2. As shown in fig. 2, the lower support cushion 3 has two L-shaped cross sections. The lower support cushion 3 is not only fully distributed on the whole lower surface of the support main structure 2, but also wraps all side walls of the lower positioning column 8.
Preferably, the lower supporting cushion 3 is sleeved on the lower positioning column 8 in an interference manner. The top end of the spring body 101 is sleeved outside the lower support cushion 3 in an interference manner.
The spring support structure of this application adopts split type structure, mainly contains support major structure 2, goes up support cushion 1 and under bracing cushion 3, and split type structure can replace alone and support cushion 1 and/or under bracing cushion 3, is favorable to the vehicle to trade after sale, greatly reduced user cost of maintenance.
As shown in fig. 2, in one embodiment, the support body structure 2 is a pie-shaped structure, and the support body structure 2 is approximately circular in top view from top to bottom. The thickness of the longitudinal section of the support body structure 2 becomes thicker and thicker from front to back. The top ends of the lower positioning columns 8 are perpendicular to the bottom surface of the main supporting structure 2, and the bottom ends of the lower positioning columns 8 are obliquely arranged downwards and forwards. Specifically, the axis of the spring body is directed downward and forward, while the axis of the metal reinforcing tube 5 is vertical, with an acute eccentric angle formed between the two axes.
The top surface of the supporting main structure 2 is also provided with an upward convex auxiliary positioning pin 7, the auxiliary positioning pin is of a conical structure, and the auxiliary positioning pin 7 is arranged on one side of the supporting main structure 2 with thicker thickness. The utility model provides an assist locating pin 7 on main locating pin 4's basis, further strengthened spacing fixed effect, and assist locating pin 7 to set up in the thicker one side of 2 thickness of supporting body structure, safe and reliable.
Preferably, the support body structure 2 is made of nylon material.
As shown in fig. 3, the supporting main structure 2 is a radiation hollow structure, which uses the main positioning pin 4 as a center, and is provided with a plurality of annular reinforcing ribs with different diameters, and a plurality of radial reinforcing ribs for connecting the different annular reinforcing ribs. The radiation hollow-out structure meets the requirement of lightweight design. Specifically, the diameters of the annular reinforcing ribs are larger than one another, and the diameter difference between two adjacent annular reinforcing ribs is basically the same, with the main positioning pin 4 as the center. The radial reinforcing ribs are uniformly arranged around the main positioning pin 4 at equal angles.
Specifically, the auxiliary locating pin 7 is just arranged at the intersection of the annular reinforcing rib and the radial reinforcing rib.
Preferably, the inside fretwork of lower reference column 8 satisfies lightweight design demand.
As shown in fig. 4, the present application also discloses an embodiment of a suspension structure including a body side member 102, a spring body 101, a suspension swing arm, and the above-described spring bearing structure 100. It should be noted that the drawings of the present application show the vehicle body side member 102, the spring body 101, and the vehicle body side member 102 and the spring body 101, but do not show the swing arm.
The main positioning pin 4 of the spring support structure 100 is inserted into the positioning hole of the vehicle body longitudinal beam 102, the top end of the spring body 101 is sleeved and abutted against the lower positioning column 8, and the bottom end of the spring body 101 is connected to the suspension swing arm.
In the suspension structure, the top end of the spring body 101 is sleeved and propped against the lower positioning column 8, and the bottom end of the spring body 101 is connected to the suspension swing arm; when the vehicle body jounces and the suspension arm and the vehicle body side member 102 displace relative to each other, the spring body 101 is elastically deformed, and the elastic force of the spring body 101 is transmitted to the spring support structure 100.
The spring bearing structure 100 comprises a support main body structure 2, a main positioning pin 4 is arranged on the top surface of the support main body structure 2 in an upward protruding mode, and the main positioning pin 4 is used for being inserted into a positioning hole of a vehicle body longitudinal beam 102 and plays a role in positioning and supporting. The main positioning pin 4 is internally coated with a vertical metal reinforcing pipe 5. According to the spring support structure 100, the metal reinforcing pipe 5 is added into the main positioning pin 4 and is butted with the positioning hole of the vehicle body longitudinal beam 102; the structure can well realize stress supporting and buffering of the spring body 101, the metal reinforcing pipe is wrapped inside the spring body through an injection molding process, the strength and the durability of the whole spring supporting structure 100 are greatly improved, and the large bearing requirement of an electric automobile is met.
Meanwhile, due to the eccentric angle arranged on the spring supporting structure 100, the stress axis of the spring body 101 and the axis of the metal reinforcing pipe 5 have a certain angle, so that an eccentric effect is generated, and the capability of bearing a part of lateral force of the spring supporting structure is provided; for the vertical situation that sets up downwards of lower reference column 8 of prior art, the suspension structure of this application is close actual situation more, can bear partial eccentric force, and the practicality is strong. Meanwhile, the spring support structure with the metal reinforcing pipe 5 can bear the large bearing requirement in the vertical direction and can also bear the lateral eccentric force, the actual spring stress situation is better met, and the vibration reduction effect is better.
Regarding the suspension structure, in one embodiment, two or more buckles 6 are arranged on the periphery of the main positioning pin 4, and the buckles 6 are used for clamping the side walls of the body longitudinal beam positioning holes to form a clamping structure which is stable in connection. The circumference of main locating pin 4 of this application sets up buckle 6, has further strengthened the stability of being connected of spring support structure and automobile body longeron, can avoid main locating pin 4 to take place rotary motion in automobile body longeron locating hole inside.
Regarding the suspension structure, in one embodiment, the top surface of the support body structure 2 is horizontal, and the top surface thereof is laid with the upper support cushion 1, and the main positioning pins 4 penetrate the upper support cushion 1. The supporting main structure 2 of this application sets up and supports cushion 1, plays the effect of protection, goes up supporting cushion 1 and not only avoids supporting main structure 2 to cause the fish tail to automobile body longeron 102, and has further increased the effect of buffering.
Preferably, the top surface of the support body structure 2 is horizontal, and the top surface thereof is paved with the upper support cushion 1; however, the upper surface of the upper support cushion 1 is provided with a plurality of rubber protrusions, and the plurality of rubber protrusions increase the friction factor between the support main body structure 2 and the vehicle body longitudinal beam 102.
Regarding the suspension structure, in one embodiment, the spring support structure 100 further includes a lower support cushion 3, the lower support cushion 3 is disposed on the lower positioning pillar 8, and the lower support cushion 3 is tightly attached to the bottom surface of the support main structure 2. As shown in fig. 2, the lower support cushion 3 has two L-shaped cross sections. The lower support cushion 3 not only is full of the whole lower surface of the support main structure 2, but also wraps all side walls of the lower positioning columns 8.
Preferably, the lower supporting cushion 3 is sleeved on the lower positioning column 8 in an interference manner. The top end of the spring body 101 is sleeved outside the lower support cushion 3 in an interference manner.
The suspension structure of this application, spring supporting structure adopt split type structure, mainly contain support major structure 2, go up support cushion 1 and under bracing cushion 3, and split type structure can replace alone and support cushion 1 and/or under bracing cushion 3, is favorable to the vehicle to sell after-sales and trades, greatly reduced user cost of maintenance.
Preferably, the lower support cushion 3 is sleeved on the lower positioning column 8 in an interference manner, the top end of the spring body 101 is sleeved on the lower support cushion 3 in an interference manner, and the structural connection is stable and firm.
Regarding the suspension structure, as shown in fig. 2, in one embodiment, the support body structure 2 is a pie-shaped structure, and the support body structure 2 is approximately circular in top view from top to bottom. The thickness of the longitudinal section of the support body structure 2 becomes thicker and thicker from front to back. The top ends of the lower positioning columns 8 are perpendicular to the bottom surface of the main supporting structure 2, and the bottom ends of the lower positioning columns 8 are obliquely arranged downwards and forwards. Specifically, the axis of the spring body is directed downward and forward, while the axis of the metal reinforcing tube 5 is vertical, with an acute eccentric angle formed between the two axes.
The top surface of the supporting main structure 2 is also provided with an upward convex auxiliary positioning pin 7, the auxiliary positioning pin is of a conical structure, and the auxiliary positioning pin 7 is arranged on one side of the supporting main structure 2 with thicker thickness. The utility model provides an assist locating pin 7 on main locating pin 4's basis, further strengthened spacing fixed effect, and assist locating pin 7 to set up in the thicker one side of 2 thickness of supporting main structure, safe and reliable.
Preferably, the support body structure 2 is made of nylon material.
Regarding the suspension structure, as shown in fig. 3, the supporting main structure 2 is a radiating hollow structure, which uses the main positioning pin 4 as a center, and is provided with a plurality of annular reinforcing ribs with different diameters, and a plurality of radial reinforcing ribs connected to the different annular reinforcing ribs. Specifically, the diameters of the annular reinforcing ribs are larger than one another, and the diameter difference between two adjacent annular reinforcing ribs is basically the same, with the main positioning pin 4 as the center. The radial reinforcing ribs are uniformly arranged around the main positioning pin 4 at equal angles.
Specifically, the auxiliary locating pin 7 is just arranged at the intersection of the annular reinforcing rib and the radial reinforcing rib.
Preferably, the inside fretwork of lower reference column 8 satisfies lightweight design demand
According to the spring support structure, the top surface of the support main body structure 2 is upwards protruded to form the main positioning pin 4, and the main positioning pin 4 is used for being inserted into the positioning hole of the vehicle body longitudinal beam 102 and plays a role in positioning and supporting. A vertical metal reinforcing pipe 5 is arranged in the main positioning pin 4 in a covering mode; a metal reinforcing pipe 5 is added into the main positioning pin 4, and is butted with a positioning hole of the vehicle body longitudinal beam 102; the structure can well realize the stress supporting and buffering of the spring body, the metal reinforcing pipe is wrapped inside the spring body through an injection molding process, the strength and the durability of the whole spring supporting structure 100 are greatly improved, and the large bearing requirement of the electric automobile is met.
The bottom surface of the main supporting structure 2 is provided with a lower positioning column 8 in a downward inclined manner, and the lower positioning column 8 is used for matching with the spring body 101; the axis of the metal reinforcing pipe 5 is intersected with the axis of the lower positioning column 8, the metal reinforcing pipe and the axis form an acute eccentric angle, and the axis of the spring body 101 is superposed with the axis of the lower positioning column 8; according to the spring support structure, the eccentric angle is arranged, so that the stress axis of the spring body 101 and the axis of the metal reinforcing pipe 5 have a certain angle (acute eccentric angle), an eccentric effect is generated, and the capability of bearing a part of lateral force of the spring support structure is provided; for the vertical situation that sets up downwards of prior art's lower reference column 8, the spring support structure of this application is close actual atress situation more, can bear partial eccentric power, and the practicality is strong, and the damping is effectual.
The utility model provides a spring support structure, the circumference of main locating pin 4 sets up buckle 6 more than two, and buckle 6 is used for the lateral wall of joint automobile body longeron locating hole. The circumference of main locating pin 4 of this application sets up buckle 6, has further strengthened the stability of being connected of spring support structure and automobile body longeron, can avoid main locating pin 4 to take place rotary motion in automobile body longeron locating hole inside.
According to the spring bearing structure, the top surface of the support main body structure 2 is horizontal, the upper support cushion 1 is paved on the top surface of the support main body structure, and the main positioning pin 4 penetrates through the upper support cushion 1; the spring supporting structure 100 further comprises a lower supporting cushion 3, the lower supporting cushion 3 is sleeved on the lower positioning column 8, and the lower supporting cushion 3 is tightly attached to the bottom surface of the supporting main body structure 2; the lower support cushion 3 is not only fully distributed on the whole lower surface of the support main structure 2, but also wraps all side walls of the lower positioning column 8.
The spring support structure of this application adopts split type structure, mainly contains support major structure 2, goes up support cushion 1 and under bracing cushion 3, and split type structure can replace alone and support cushion 1 and/or under bracing cushion 3, is favorable to the vehicle to trade after sale, greatly reduced user cost of maintenance.
According to the spring supporting structure, the supporting main body structure 2 is of a cake-shaped structure, and the thickness of the longitudinal section of the supporting main body structure 2 is gradually thicker from front to back; the top ends of the lower positioning columns 8 are perpendicular to the bottom surface of the supporting main body structure 2, and the bottom ends of the lower positioning columns 8 are obliquely arranged downwards and forwards; the axis of the spring body faces downwards and forwards, while the axis of the metal reinforcing tube 5 is vertical, and an acute eccentric angle is formed between the two axes. The top surface of the supporting main structure 2 is also provided with an upward convex auxiliary positioning pin 7, the auxiliary positioning pin is of a conical structure, and the auxiliary positioning pin 7 is arranged on one side of the supporting main structure 2 with thicker thickness. The utility model provides an assist locating pin 7 on main locating pin 4's basis, further strengthened spacing fixed effect, assist locating pin 7 to set up in the thicker one side of 2 thickness of supporting body structure, safe and reliable, and assist locating pin 7 and provide firm basis for the yawing force that produces because of the eccentric angle.
In the suspension structure, the top end of the spring body 101 is sleeved and propped against the lower positioning column 8, and the bottom end of the spring body 101 is connected to the suspension swing arm; when the vehicle body bumps and the suspension swing arm and the vehicle body longitudinal beam 102 are displaced relatively, the spring body 101 is elastically deformed, and the elastic force of the spring body 101 is transmitted to the spring supporting structure 100;
the spring bearing structure 100 comprises a support main body structure 2, a main positioning pin 4 is arranged on the top surface of the support main body structure 2 in an upward protruding mode, and the main positioning pin 4 is used for being inserted into a positioning hole of a vehicle body longitudinal beam 102 and plays a role in positioning and supporting. The main positioning pin 4 is internally coated with a vertical metal reinforcing pipe 5. According to the spring support structure 100, the metal reinforcing pipe 5 is added into the main positioning pin 4 and is butted with the positioning hole of the vehicle body longitudinal beam 102; the structure can well realize stress supporting and buffering of the spring body 101, the metal reinforcing pipe is wrapped inside the spring body through an injection molding process, the strength and the durability of the whole spring supporting structure 100 are greatly improved, and the large bearing requirement of an electric automobile is met.
Meanwhile, due to the eccentric angle arranged on the spring supporting structure 100, the stress axis of the spring body 101 and the axis of the metal reinforcing pipe 5 have a certain angle, so that an eccentric effect is generated, and the capability of bearing a part of lateral force of the spring supporting structure is provided; for the vertical situation that sets up downwards of lower reference column 8 of prior art, the suspension structure of this application is close actual situation more, can bear partial eccentric force, and the practicality is strong. Meanwhile, the spring support structure with the metal reinforcing pipe 5 can bear the large bearing requirement in the vertical direction and can also bear the lateral eccentric force, the actual spring stress situation is better met, and the vibration reduction effect is better.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An eccentric split type spring supporting structure is characterized in that: the spring bearing structure (100) comprises a supporting main body structure (2), a main positioning pin (4) used for being inserted into a positioning hole of a vehicle body longitudinal beam (102) is arranged on the top surface of the supporting main body structure (2) in an upward protruding mode, and a vertical metal reinforcing pipe (5) is arranged in the main positioning pin (4) in a covering mode;
the bottom surface of the main supporting structure (2) is downwards obliquely provided with a lower positioning column (8) used for matching with the spring body (101); the axial line of the metal reinforcing pipe (5) is intersected with the axial line of the lower positioning column (8), and the two form an acute eccentric angle.
2. The eccentric split type spring supporting structure of claim 1, wherein: the circumference of main locating pin (4) sets up buckle (6) more than two, buckle (6) are used for the lateral wall of joint automobile body longeron locating hole.
3. The eccentric split type spring supporting structure of claim 1, wherein: the top surface of the supporting main structure (2) is horizontal, the top surface of the supporting main structure is paved with the upper supporting cushion (1), and the main positioning pin (4) penetrates through the upper supporting cushion (1).
4. The eccentric split type spring supporting structure of claim 1, wherein: spring-loaded structure (100) still contains lower supporting cushion (3), reference column (8) are located down to lower supporting cushion (3) cover, and lower supporting cushion (3) closely laminate in supporting major structure (2) bottom surface.
5. The eccentric split type spring supporting structure of claim 1, wherein: the supporting main body structure (2) is of a cake-shaped structure, and the thickness of the longitudinal section of the supporting main body structure is gradually thicker from front to back; the top end of the lower positioning column (8) is perpendicular to the bottom surface of the support main body structure (2), and the bottom end of the lower positioning column (8) is obliquely arranged downwards and forwards;
the top surface of the supporting main body structure (2) is also provided with an auxiliary positioning pin (7) which protrudes upwards, and the auxiliary positioning pin (7) is arranged on one side of the supporting main body structure (2) with thicker thickness.
6. The eccentric split type spring supporting structure of claim 1, wherein: support major structure (2) are radiation hollow out construction, and it uses main locating pin (4) as the center, and the diffusion sets up the annular strengthening rib of a plurality of different diameters to and a plurality of radial strengthening ribs of connecting different annular strengthening ribs.
7. A suspension structure characterized in that: the suspension structure comprises a vehicle body longitudinal beam (102), a spring body (101), a suspension swing arm and the spring supporting structure (100) as claimed in claim 1, wherein a main positioning pin (4) of the spring supporting structure (100) is inserted into a positioning hole of the vehicle body longitudinal beam (102), the top end of the spring body (101) is sleeved and abutted against the lower positioning column (8), and the bottom end of the spring body (101) is connected to the suspension swing arm.
8. A suspension structure according to claim 7, wherein: more than two buckles (6) are arranged in the circumferential direction of the main positioning pin (4), and the buckles (6) are used for clamping the side walls of the positioning holes of the longitudinal beams of the vehicle body; the top surface of the support main body structure (2) is horizontal, an upper support cushion (1) is laid on the top surface of the support main body structure, and the main positioning pin (4) penetrates through the upper support cushion (1); spring-loaded structure (100) still contains lower supporting cushion (3), reference column (8) are located down to lower supporting cushion (3) cover, and lower supporting cushion (3) closely laminate in supporting major structure (2) bottom surface.
9. A suspension structure according to claim 8, wherein: lower support cushion (3) interference cover is located lower reference column (8), lower support cushion (3) are located to the top interference cover of spring body (101).
10. A suspension structure according to claim 8, wherein: the supporting main body structure (2) is of a cake-shaped structure, and the thickness of the longitudinal section of the supporting main body structure is gradually increased from front to back; the top end of the lower positioning column (8) is perpendicular to the bottom surface of the support main body structure (2), and the bottom end of the lower positioning column (8) is obliquely arranged downwards and forwards; the top surface of the support main body structure (2) is also provided with an auxiliary positioning pin (7) protruding upwards, and the auxiliary positioning pin (7) is arranged on one side of the support main body structure (2) with thicker thickness; support major structure (2) are radiation hollow out construction, and it uses main locating pin (4) as the center, and the diffusion sets up the annular strengthening rib of a plurality of different diameters to and a plurality of radial strengthening ribs of connecting different annular strengthening ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210501480.4A CN114834200A (en) | 2022-05-09 | 2022-05-09 | Eccentric split type spring supporting structure and suspension structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210501480.4A CN114834200A (en) | 2022-05-09 | 2022-05-09 | Eccentric split type spring supporting structure and suspension structure |
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| CN114834200A true CN114834200A (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210501480.4A Pending CN114834200A (en) | 2022-05-09 | 2022-05-09 | Eccentric split type spring supporting structure and suspension structure |
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| CN (1) | CN114834200A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116729038A (en) * | 2023-06-20 | 2023-09-12 | 江铃汽车股份有限公司 | A gasket assembly for automobile rear suspension coil spring and vehicle |
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Country or region after: China Address after: 430109 Hubei Province, Wuhan City, Yunfeng Avenue 8, Wuhan Economic and Technological Development Zone Applicant after: Lantu Automotive Technology Co.,Ltd. Address before: 430000 No. n3010, 3 / F, R & D building, building n, Artificial Intelligence Science Park, Wuhan Economic and Technological Development Zone, Wuhan, Hubei Province Applicant before: Lantu Automobile Technology Co.,Ltd. Country or region before: China |