CN107816590A - Cooling tube snap joint - Google Patents

Abstract

The invention discloses a kind of cooling tube snap joint, including housing (1), lock device (2) and convex plug (3), neck (11) is provided with the housing (1) side, breach (12) is additionally provided with the end face of housing (1) homonymy, the opening position of breach (12) corresponding housing (1) lateral wall combines provided with inverted sections；The first elastic clamping block (21) is provided with the lower end of the lock device (2), lock device (2) upper end is provided with the second elastic clamping block (22), and second elastic clamping block (22) is provided with flat segments (221) and bending segment (222)；Stopper slot (31) and fixing lug boss (32) are provided with the lateral wall of the convex plug (3).The present invention utilizes the first elastic clamping block and the second elastic clamping block in lock device, and housing and convex plug are connected, and ensure that the sealing state of clamping opening position, simple and compact for structure, and dismounting is convenient, reduces cost.

Description

Cooling pipe quick connector

technical field

The invention relates to the field of automobile manufacturing, in particular to a cooling pipe quick connector.

Background technique

With the increasing shortage of energy and people's emphasis on environmental protection, electric vehicles have received more and more attention as a means of transportation using clean energy. With the advent of the era of electric vehicles, the normal driving of the vehicle can only be ensured if the electrical part of the electric vehicle is well dissipated and the cooling problem is solved; at present, the electrical position of the electric vehicle is usually used to meet the needs of the vehicle cooling pipe with positioning cards and guide top rings. The assembly is connected to the cooling plate to meet the heat dissipation requirements of the battery pack components. The structure is complex and the disassembly and assembly are cumbersome.

Contents of the invention

The technical problem to be solved by the present invention is to provide a cooling pipe quick joint with simple and compact structure and convenient assembly and disassembly.

Technical scheme of the present invention is as follows:

A cooling pipe quick connector, comprising a housing, a locking device and a male plug, two slots are symmetrically provided on the side wall of one side of the housing, and two slots are symmetrically provided on the end surface of the same side of the housing. There are two notches, and a turn-over section combination is provided at the position where the two notches correspond to the outer side wall of the housing, and the turn-over section combination forms an open groove with the outer side wall at the corresponding position of the housing; The lower end is integrally and symmetrically provided with two first elastic clamping blocks, and the first elastic clamping blocks are clamped and fixed with the corresponding slots, and the upper end of the locker is integrally and symmetrically provided with two second elastic clamping blocks. The upper ends of each of the second elastic clamping blocks are provided with a straight section protruding outward, and the extended ends of the straight section are provided with a bent section extending downward, and the corresponding second The elastic clamping block, the straight section and the bent section form a buckle-shaped structure, and the buckle-shaped structure is clicked on the corresponding side wall of the housing at the position of the notch, and the bent section extends into the opening groove; A limiting slot is provided on the outer wall of the male plug, and the limiting slot is clamped and fixed with the second elastic block, and a fixed boss is arranged on the upper end of the limiting slot along the circumferential direction of the male plug.

With the above structure, the slot on the housing is engaged and fixed with the first elastic block on the locker, the second elastic block on the locker is engaged and fixed with the limiting groove on the male plug, and the housing and The folded section is combined to form an open slot, and the bent section is located in the open slot, which is convenient for fixing the clamping position of the lock; when disassembling, press the bent section to the direction of the shell, and the horizontal section leans against the gap of the shell , the upper end of the bent section pulls the straight section outward, and the straight section drives the upper end of the second elastic block to rotate outwards counterclockwise to expand, and the lower end rotates counterclockwise to the middle of the housing obliquely upward, that is, the second The elastic clamping block breaks away from the limit slot, takes out the male plug, and then releases the first elastic clamping block that is clamped, and takes out the locker. In this way, it can be disassembled step by step. At the same time, the first elastic clamp integrally arranged on the locker The first block and the second elastic block simplify the production and assembly, and reduce the cost; the fixed boss on the male plug can block dust and impurities from entering the locker and the housing, so as to avoid the interference of disassembly and assembly due to the accumulation of debris.

In order to orient the clamping connection and ensure a stable connection, preferably, the two clamping grooves and notches are evenly spaced along the circumferential direction of the housing.

In order to save the clamping effort, preferably, the two first elastic clamping blocks are both wide at the top and narrow at the bottom.

In order to limit the clamping position of the bending section and simplify the production structure, preferably, the combination of the turning section includes a first vertical section and a second vertical section, between the two vertical sections A horizontal section is provided, the two ends of the horizontal section are respectively connected to the lower ends of the two vertical sections, and the corresponding positions of the first vertical section, the second vertical section, the horizontal section and the outer wall of the housing form an opening Slot, the upper notch of the open slot faces the notch.

In order to facilitate the disassembly and assembly of the male plug, while simplifying the cumbersomeness of assembly, as a preference, two second elastic blocks with a narrow top and a wide bottom are arranged symmetrically on the inner side of the upper end of the housing, and the two second elastic blocks Fastened with the limit slot.

In order to provide a fulcrum for turning over the bent section when pressed, preferably, a boss is provided on the inner side wall of the bent section, and the boss abuts against a corresponding position on the outer side wall of the housing.

In order to provide a sufficient turning distance, preferably, the lower part of the inner wall of the bending section is provided with a section of slope that is wide at the top and narrow at the bottom, and the upper end of the slope is connected with the lower end of the boss.

In order to avoid the falling of sundries and the overflow of cooling water, preferably, a sealing ring is embedded in the housing. The upper end faces are abutted.

In order to prevent sundries from entering the locker, and at the same time to facilitate the assembly limit, as a preference, when the male plug is clamped and fixed with the locker, the distance between the upper end surface of the locker and the lower end surface of the fixed boss is 2mm.

Beneficial effects: the present invention uses the first elastic block and the second elastic block on the locker to connect the housing and the male plug, and ensures the sealing state at the clipping position, the structure is simple and compact, and the assembly and disassembly are convenient , reducing costs.

Description of drawings

Figure 1 is an exploded view of the present invention.

Figure 2 is a schematic diagram of the installation of the present invention.

Fig. 3 is a schematic structural diagram of the housing and the locking device.

Fig. 4 is a structural schematic diagram of the present invention.

Detailed ways

The present invention will be further described below in conjunction with accompanying drawing.

As shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the present invention is composed of a housing 1, a locker 2 and a male plug 3, etc., and two symmetrically arranged on the side wall of the housing 1. The slot 11 is symmetrically provided with two notches 12 on the end face of the same side of the housing 1, and the two slots 11 and the notches 12 are evenly spaced along the circumferential direction of the housing 1; in the two notches 12 The position corresponding to the outer wall of the housing 1 is provided with a combination of turning sections, which includes a first vertical section 131 and a second vertical section 132, and a horizontal section is arranged between the two vertical sections. Section 133, the two ends of the horizontal section 133 are respectively connected to the lower ends of the two vertical sections, the corresponding positions of the first vertical section 131, the second vertical section 132, the horizontal section 133 and the outer wall of the housing 1 An open slot is formed, and the upper notch of the open slot faces the notch 12 .

The lower end of the locker 2 is integrally and symmetrically provided with two first elastic blocks 21, both of which are wide at the top and narrow at the bottom. The upper end groove wall of draw-in groove 11 abuts and fixes; The upper end of this locking device 2 is provided with two second elastic clips 22 that are narrow at the top and wide at the bottom, and the upper ends of the two second elastic clips 22 are both A section of straight section 221 protruding outward is provided, and the protruding end of the straight section 221 is provided with a section of bent section 222 extending downward. 221 and the bent section 222 form a buckle-like structure, and the buckle-like structure is clicked on the side wall of the housing 1 corresponding to the position of the notch 12, and the bent section 222 extends into the opening groove.

A section of boss 23 is provided on the inner side wall of the bending section 222, and the boss 23 abuts against the corresponding position on the outer side wall of the housing 1. The inclined plane, the upper end of the inclined plane is connected with the lower end of the boss 23.

A limiting groove 31 is provided on the outer wall of the male plug 3, and the two second elastic blocks 22 are engaged and fixed with the limiting groove 31, and the upper end of the limiting groove 31 is along the circumferential direction of the male plug 3. A fixed boss 32 is provided.

A sealing ring 4 is embedded in the housing 1, and when the locker 2 is clamped and fixed with the housing 1, the lower end surface of the locker 2 abuts against the upper end surface of the sealing ring 4; the male plug 3 is clamped and fixed with the locking device 2, the distance between the upper end surface of the locking device 2 and the lower end surface of the fixing boss 32 is 2 mm.

The using method of the present invention is as follows:

As shown in Figures 1 to 4, the locker 2 is installed along the coaxial direction of the installation position of the housing 1, when the two first elastic blocks 21 of the locker 2 are in contact with the side wall of the housing 1 , the two first elastic blocks 21 are compressed inwardly under the action of an external force, when the two first elastic blocks 21 with a narrow bottom and a wide top completely pass over the side wall 2 of the housing 1 and reach the position of the slot 11, The extrusion force exerted by the side wall is slowly released, and quickly resets under the elastic action of the two blocks themselves. At this time, the inner side wall of the upper end of the card groove 11 abuts against the upper end surface of the first elastic block 21, thereby playing a locking role. The locking device 2 is locked and prevented from retreating, and at the same time, the lower end surface of the locking device 2 abuts against the upper end surface of the sealing ring 4 .

Then, after cleaning and lubricating the surface of the male plug 3, insert it into the locker 2 along the coaxial direction of the installation position of the housing 1. When using the elastic material of the part, the second elastic block 22 is slowly stretched outwards under the action of external force, and the gap 12 just provides a space for giving way. When the male plug 3 is plugged in place (that is, the male plug 3 When the protruding end extends into the inner cavity of the housing 1), at this time, the second elastic clamping block 22 moves to the position of the limit groove 31, and the second elastic clamping block 22 quickly resets under the action of its own elasticity, straight The section 221 abuts against the end face at the notch 12, and the bent section 222 extends into the opening groove formed by the first vertical section 131, the second vertical section 132, the horizontal section 133 and the housing 1, at this time the second elastic The lower end surface of the clamp block 22 abuts against the bottom of the limiting groove 31, so as to lock and prevent the plug from retreating; The distance between the lower end faces of the stage 32 is 2mm.

When it needs to be disassembled, press the lower ends of the two bent sections 222 at the same time, take the boss 23 at the corresponding end as the fulcrum, and use the lever principle to press the bent section 222 to the direction of the shell 1, and the straight section 221 leans against the shell 1, the upper end of the bent section 222 pulls the straight section 221 outward, and the straight section 221 drives the upper end of the second elastic block 22 to rotate outward in the counterclockwise direction, and the lower end moves counterclockwise toward the shell. The middle part of the body 1 rotates obliquely upwards, that is, the second elastic clamping block 22 breaks away from the limiting groove 31, and the male plug 3 is taken out; then, the first elastic clamping block 21 is squeezed to make the second elastic clamping block 22 disengage from the clamping groove 11, The locking device 2 is also disassembled.

The protruding end of the locker 2 must touch the sealing ring 4, so that when the protruding end of the male plug 3 extends below the sealing ring 4, it can play the role of secondary sealing protection and prevent foreign matter from entering , to ensure safe use.

The parts not described in the present invention are consistent with the prior art, and will not be repeated here.

The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. All equivalent structures made using the description of the present invention and the contents of the accompanying drawings are directly or indirectly used in other related technical fields, and are equally applicable to the present invention. within the scope of patent protection.

Claims (9)

1. A kind of 1. cooling tube snap joint, it is characterised in that：Including housing (1), lock device (2) and convex plug (3), in the shell Two necks (11) are arranged with the side wall of body (1) side, two breach are also arranged with the end face of housing (1) homonymy (12), combined in the opening position of two breach (12) corresponding housing (1) lateral walls provided with inverted sections, the inverted sections combination An open slot is formed with the lateral wall of housing (1) correspondence position；Two are integrally arranged with the lower end of the lock device (2) First elastic clamping block (21), first elastic clamping block (21) and the neck (11) of correspondence position connect and fix, in the lock device (2) upper end is integrally arranged with two the second elastic clamping blocks (22), and the upper end of two second elastic clamping blocks (22) is all provided with There is one section of outwardly directed flat segments (221), the external part of the flat segments (221) is equipped with one section of bending segment extended downwardly (222), second elastic clamping block (22) of correspondence position, flat segments (221) and bending segment (222) form a buckle shape knot Structure, the card buckle-like structure are connected to corresponding to breach (12) opening position in housing (1) side wall, and the bending segment (222) is stretched into out In mouth groove；Stopper slot (31), the stopper slot (31) and the second elastic clamping block are provided with the lateral wall of the convex plug (3) (22) connect and fix, fixing lug boss (32) is provided with the circumferencial direction of the upper end edge convex plug (3) of the stopper slot (31).
2. 2. cooling tube snap joint according to claim 1, it is characterised in that：Two necks (11) and breach (12) Set along the circumferencial direction uniform intervals of housing (1).
3. 3. cooling tube snap joint according to claim 1, it is characterised in that：Two first elastic clamping blocks (21) are equal For structure wide at the top and narrow at the bottom, the upper end of first elastic clamping block (21) abuts fixation with the upper end cell wall of neck 11.
4. 4. cooling tube snap joint according to claim 1, it is characterised in that：It is vertical that the inverted sections combination includes first Section (131) and the second vertical section (132), are provided with horizontal segment (133), the horizontal segment (133) between two vertical sections Lower end of the both ends respectively with two vertical sections be connected, first vertical section (131), the second vertical section (132), horizontal segment (133) and the correspondence position of housing (1) lateral wall forms an open slot, and the upper end notch of the open slot is towards breach (12).
5. 5. cooling tube snap joint according to claim 1, it is characterised in that：It is right in the inner side of the housing (1) upper end Title is provided with two up-narrow and down-wide the second elastic clamping blocks (22), two second elastic clamping blocks (22) and stopper slot (31) clamping It is fixed.
6. 6. cooling tube snap joint according to claim 1, it is characterised in that：Madial wall in the bending segment (222) Provided with one section of boss (23), the boss (23) abuts with the correspondence position of housing (1) lateral wall.
7. 7. cooling tube snap joint according to claim 6, it is characterised in that：Under bending segment (222) madial wall Portion is provided with one section of inclined-plane wide at the top and narrow at the bottom, and the upper end on the inclined-plane is connected with the lower end of boss (23).
8. 8. cooling tube snap joint according to claim 1, it is characterised in that：Sealing is embedded with the housing (1) Enclose (4), when the lock device (2) connects and fixes with housing (1), the lower surface and the upper surface of sealing ring (4) of lock device (2) are supported Connect.
9. 9. cooling tube snap joint according to claim 1, it is characterised in that：The convex plug (3) is blocked with lock device (2) When connecing fixed, the spacing between the lower surface of lock device (2) upper surface and fixing lug boss (32) is 2mm.