TWI760083B - A base of spring hinge - Google Patents

Abstract

A base of spring hinge is provided, including a main body. a plug head and at least one hook hole. The main body includes a main base portion and a sub-base. The main base has a first portion and a second portion. The second portion is connected with the first portion. A plurality of first slot is disposed through the first portion. A plurality of second slot is disposed through the second portion. The plurality of first slot and the plurality of second slot are formed a plurality of socket. The plug head is disposed on the main body. The at least one hook hole is disposed through the plug head.

Description

base for spring hinges

The present invention relates to spring hinges, and more particularly to a base for spring hinges.

The conventional spring hinge is set between the door leaf and the door frame. The structure of the spring hinge generally includes two rolls and a connecting piece connected to the two rolls. In addition, the two rolls are respectively pivoted with a flap. One flap is arranged on the door frame, and the other flap is arranged on the door leaf, so that the door leaf can be pivoted and opened relative to the door frame. It can be understood that the spring hinge can be applied to various relative pivoting two elements, not only limited to the door leaf, Such a spring hinge is disclosed in Taiwan Patent M595683.

However, in the spring hinge disclosed above, the overall structure of the limiting member used to combine with the torsion spring is too closed, so that the general processing factory cannot accurately control the machining accuracy of the socket, such as the relative position and depth of the socket, As a result, the stability of the assembly quality is not good, and it has a negative impact on use, such as loosening of the torsion spring, damage to the torsion spring or limiter, etc., and there are shortcomings that need to be improved urgently.

Therefore, it is necessary to provide a novel and progressive base for a spring hinge to solve the above problems.

The main purpose of the present invention is to provide a base for a spring hinge. By dividing the main seat into two parts, such as a first part and a second part, they can be processed more precisely to improve product quality and The stability of the fit between the torsion springs.

To achieve the above object, the present invention provides a base for a spring hinge, comprising: a main body, a plug connector and at least one hooking hole. The main body defines an axial direction, a radial direction and a circumferential direction, the main body includes a main seat part and a secondary seat part, the main seat part includes a first part and a second part, the first part is along the axial direction Assembled to the second component, the first component is provided with a plurality of first slots extending along the radial direction, the plurality of first sockets are arranged at intervals in the circumferential direction, and the second component is provided with a plurality of first slots. Two sockets, the plurality of second sockets are respectively connected to the plurality of first sockets in the axial direction to jointly define a plurality of sockets, the opening direction of the plurality of sockets is along the radial direction, and the plurality of sockets are used for a A positioning pin of the spring hinge is inserted, the sub-seat portion is extended along the axial direction and is provided on the first part of the main seat portion, and the sub-seat portion is inserted into a roll portion of the spring hinge; the The plug connector is arranged on the main body, and protrudes out of the sub-seat along the axial direction for plugging into a torsion spring of the spring hinge; the at least one hooking hole extends through the plug connector along the axial direction , the at least one hooking hole is inserted into the torsion spring along the radial direction to abut the main body in the circumferential direction through the at least one hooking hole.

In order to achieve the above object, the present invention further provides a base for a spring hinge, comprising: a main body, a plug connector and at least one hooking hole. The main body defines an axial direction, a radial direction and a circumferential direction. The main body includes a main seat portion and a secondary seat portion. The main seat portion is provided with a plurality of insertion holes extending along the radial direction. The plurality of insertion holes are inserted into the main seat portion. The sockets are arranged at intervals in the circumferential direction, the plurality of insertion holes are used for a positioning pin of a spring hinge to be inserted into, the auxiliary seat portion is arranged on the main seat portion extending along the axial direction, and the auxiliary seat portion is inserted into the spring for insertion. A rolling part of the hinge; the plug head is arranged on the main body, and protrudes out of the auxiliary seat part along the axial direction for plugging into a torsion spring of the spring hinge; the at least one hooking hole is along the shaft extending through the plug connector, the At least one hooking hole is used for a latching section of the torsion spring to be inserted and extended along the radial direction to abut the main body in the circumferential direction; wherein, the radial dimension of the auxiliary seat is smaller than the radial dimension of the main seat The radial dimension of the plug connector is smaller than the radial dimension of the sub-seat portion, and the at least one hooking hole further extends to the sub-seat portion along the axial direction, so that the latching section of the torsion spring is laterally abutted leaning against the sub-seat; wherein, the main body further includes at least one hole wall surrounding the at least one hooking hole, the at least one hole wall includes two abutting surfaces and a supporting surface, the supporting surface is transversely connected to the Between two abutting surfaces, the supporting surface is disposed on the sub-seat portion, one of the abutting surfaces is for the abutting section of the torsion spring to abut against in the circumferential direction, and the supporting surface is for the abutting section of the torsion spring to abut against in the circumferential direction. The axial abuts upward; wherein, the supporting surface and the abutting section of the torsion spring extend obliquely toward an axis line of the main body and the direction of the main seat respectively; wherein, the auxiliary seat is facing away from the A side surface of the main seat portion is concavely provided with at least one inclined surface along the axial direction, and the at least one inclined surface extends obliquely along the circumferential direction and toward the direction of the main seat portion to the hole edge of the at least one hooking hole. An inclined surface is used for abutting an end surface of a helical segment of the torsion spring, and the abutting segment is transversely connected to the helical segment.

1: main body

11: Axis line

12: Weight loss tank

13: Shaft hole

2: Main seat

21: The first part

22: First slot

23: The first convex part

24: The first recess

25: Second Part

26: Second slot

27: Second convex part

28: Second recess

29: jack

3: Vice seat

31: Inclined surface

4: Plug connector

5: Hook holes

6: Hole wall

61: Abutment surface

62: Support surface

7: Spring hinge

71: Locating pin

72: Roller part

73: Torsion spring

731: Card Arrival Section

732: Spiral segment

74: Rods

81: Axial

82: Radial

83: Zhou Xiang

FIG. 1 is a perspective view of an embodiment of the present invention.

FIG. 2 is an exploded view of FIG. 1 .

3 is a perspective view of a base according to an embodiment of the present invention.

FIG. 4 is a cross-sectional view of FIG. 3 .

FIG. 5 is an exploded view of FIG. 3 .

FIG. 6 is an exploded view of FIG. 3 from another perspective.

7 is a schematic diagram of a torsion spring assembled to a base according to an embodiment of the present invention.

FIG. 8 is a cross-sectional view of FIG. 7 .

Please refer to FIG. 1 to FIG. 8 , which show an embodiment of the present invention. The base for the spring hinge of the present invention includes: a main body 1 , a plug connector 4 and at least one hooking hole 5 .

The main body 1 defines an axial direction 81 , a radial direction 82 and a circumferential direction 83 . The main body 1 includes a main seat portion 2 and a secondary seat portion 3 , and the main seat portion 2 includes a first part 21 and a second part. 25. The first part 21 is assembled to the second part 25 along the axial direction 81, the first part 21 is provided with a plurality of first slots 22 extending along the radial direction 82, the plurality of first slots 22 Arranged at intervals on the circumferential direction 83 , the second component 25 is provided with a plurality of second slots 26 penetrating through, and the plurality of second slots 26 are respectively connected to the plurality of first slots 22 on the axial direction 81 and are connected together. A plurality of insertion holes 29 are defined, the opening direction of the plurality of insertion holes 29 is along the radial direction 82 , and a positioning pin 71 of a spring hinge 7 is inserted into the plurality of insertion holes 29 .

It is worth mentioning that the main seat 2 adopts the first part 21 and the second part 25 which are assembled separately, so that the plurality of first sockets 22 and the plurality of second sockets 26 can be processed separately and The distribution position and depth can be accurately grasped, which has the effect of reducing the processing difficulty and improving the processing accuracy. In this embodiment, the outer contour of each of the first sockets 22 is an arc groove, the outer contour of each of the second sockets 26 is an arc groove, and each of the insertion holes 29 is in the shape of a circular hole to facilitate the positioning Pin 71 is inserted and avoids stress concentration.

The sub-seat portion 3 extends along the axial direction 81 and is disposed on the first part 21 of the main seat portion 2 , and the sub-seat portion 3 is inserted into a roll portion 72 of the spring hinge 7 so that the main body 1 can be stably inserted into the roll portion 72 without any relative shaking. The plug 4 is installed on the main body 1 and protrudes out of the sub-seat 3 along the axial direction 81 for plugging into a torsion spring 73 of the spring hinge 7 to improve the joint stability. As for the at least one hooking hole 5, it extends through the plug connector 4 and the main body 1 along the axial direction 81. The hooking hole 5 is used for a latching section 731 of the torsion spring 73 to be inserted and protruded along the radial direction 82 to abut the main body 1 in the circumferential direction 83 to further provide a supporting force for the twisting of the torsion spring 73 .

The first component 21 and the second component 25 are connected in a plug-and-socket combination, so as to facilitate assembly and disassembly. Specifically, the first member 21 is further provided with a plurality of first convex portions 23 and a plurality of first concave portions 24 , and the plurality of first convex portions 23 and the plurality of first concave portions 24 are alternately arranged along the circumferential direction 83 . The two parts 25 are further provided with a plurality of second convex parts 27 and a plurality of second concave parts 28 , the plurality of second convex parts 27 respectively correspond to the plurality of first concave parts 24 on the axial direction 81 , and the plurality of second concave parts 28 are located on the shaft. The points 81 correspond to the plurality of first convex portions 23 respectively; wherein, the plurality of first convex portions 23 are respectively inserted into the plurality of second concave portions 28, the plurality of second convex portions 27 are respectively inserted into the plurality of first concave portions 24, and then The second member 25 is connected to the first member 21 .

More specifically, each of the first protruding portions 23 and each of the second protruding portions 27 is cylindrical, and each of the first concave portions 24 and each of the second concave portions 28 is in the shape of a circular hole, so as to be inserted and inserted smoothly. Evenly distribute the force. In addition, the plurality of first convex portions 23 , the plurality of first sockets 22 and the plurality of first concave portions 24 are alternately arranged in a ring. Similarly, the plurality of second convex portions 27 , the plurality of second sockets The grooves 26 and the plurality of second concave portions 28 are alternately arranged in a ring shape, and the use of a convex and a concave alternating plug-in structure can effectively improve the connection stability and strength of the two.

Preferably, the material of the second part 25 is different from the material of the first part 21 , and the hardness of the first part 21 is greater than the hardness of the second part 25 . The material is metal, and the material of the second component 25 is plastic, so that both hardness and light weight can be taken into consideration.

More preferably, in the axial direction 81, the maximum groove depth of each of the first sockets 22 is greater than the maximum groove depth of each of the second sockets 26, so that the first component 21 with higher structural strength can be used as a The object mainly bears the force of the positioning pin 71 to ensure the durability. For example, but not limited to, the ratio of the maximum groove depth of each of the first sockets 22 to the maximum groove depth of each of the second sockets 26 is at least 2.

At least one of the first part 21 and the second part 25 is recessed with a weight-reducing groove 12 , the weight-reducing groove 12 communicates with the plurality of insertion holes 29 , and the weight-reducing groove 12 is annular so that the structural strength is not affected. Effectively reduce the overall weight and achieve the purpose of taking into account both strength and light weight.

It should be emphasized that the radial dimension of the sub-seat portion 3 is smaller than the radial dimension of the main seat portion 2 , the radial dimension of the plug connector 4 is smaller than the radial dimension of the sub-seat portion 3 , the at least one hook is The hole 5 preferably extends at least to the sub-seat portion 3 along the axial direction 81 , so that the abutting section 731 of the torsion spring 73 laterally abuts against the sub-seat portion 3 . When the torsion spring 73 is twisted to generate a torsion force, compared with the plug connector 4 , the sub-seat portion 3 having a larger radial dimension has better structural strength, so it can bear a larger torsion force and is not easily broken and damaged.

Further, the main body 1 further includes at least one hole wall 6 surrounding the at least one hooking hole 5 , the at least one hole wall 6 includes two abutting surfaces 61 and a supporting surface 62 , the supporting surface 62 is transverse Connected between the two abutting surfaces 61 , one of the abutting surfaces 61 is used for the abutting section 731 of the torsion spring 73 to abut on the circumferential direction 83 , and the supporting surface 62 is used for the clamping section of the torsion spring 73 . 731 abuts on the axial direction 81, and simultaneously provides supporting force to the torsion spring 73 in two different directions of the circumferential direction 83 and the axial direction 81 to ensure the stability in use.

Preferably, the supporting surface 62 extends obliquely toward an axis 11 of the main body 1 and the direction of the second component 25, and can provide different depth variations to support the clamping of the torsion spring 73 with different inclinations. Paragraph 731. The supporting surface 62 and the latching section 731 of the torsion spring 73 extend obliquely toward the axis 11 of the main body 1 and the main seat 2 , respectively.

More specifically, at least one inclined surface 31 is recessed along the axial direction 81 on a side surface of the auxiliary seat portion 3 facing away from the second component 25 (the main seat portion 2 ). The at least one inclined surface 31 extends along the The circumferential direction 83 extends obliquely to the hole edge of the at least one hooking hole 5 and toward the direction of the second component 25 (the main seat 2 ). The end faces are abutted against each other, and the abutting segment 731 is transversely connected to the helical segment 732 .

In this way, the at least one inclined surface 31 is in surface contact with the end surface of the helical segment 732, and the at least one inclined surface 31 can provide a larger area and uniform support force to the end surface of the helical segment 732, so when the twisting When the spring 73 is twisted and deformed, the end surface of the helical segment 732 can stably and smoothly slide relative to the plug connector 4 along the at least one inclined surface 31 . At the same time, the structural coordination of surface contact can greatly reduce the stress concentration, so it can greatly reduce the structural wear during relative sliding, and thus have a longer service life. In addition, since the at least one inclined surface 31 corresponds to the direction of the end surface of the helical section 732 , the torsion spring 73 can be more obedient to the sub-seat 3 in the axial direction 81 and more flexible in the radial direction 82 . The plug connector 4 is received by the stable sleeve.

In this embodiment, the number of the at least one hooking hole 5 and the number of the at least one hole wall 6 are respectively two, and the main body 1 is further provided with a shaft hole 13 extending along the axial direction 81 . The shaft hole 13 The two hook holes 5 are connected along the radial direction 82 and are not connected with the weight-reducing groove 12. The shaft hole 13 allows a rod 74 of the spring hinge 7 to pass through, thereby making the main body 1 securely and stably. Positioned on the roll portion 72 . It can be understood that the number of the at least one inclined surface 31 is four, and the four inclined surfaces 31 are respectively disposed on two sides of the two abutting surfaces 61 of the two hole walls 6 in groups of two to provide different rotational twist directions. The torsion spring 73 is installed.

1: main body

7: Spring hinge

71: Locating pin

72: Roller part

Claims (10)

A base for a spring hinge, comprising: a main body, defining an axial direction, a radial direction and a circumferential direction, including a main seat part and a sub seat part, the main seat part includes a first part and a second part A part, the first part is assembled to the second part along the axial direction, the first part is provided with a plurality of first slots extending along the radial direction, and the plurality of first slots are arranged at intervals in the circumferential direction , the second component is provided with a plurality of second slots, the plurality of second slots are respectively connected to the plurality of first slots in the axial direction to jointly define a plurality of sockets, and the opening direction of the plurality of sockets is along the In the radial direction, the plurality of insertion holes are used for a positioning pin of a spring hinge to be inserted into, the sub-seat portion is extended along the axial direction and is provided on the first part of the main seat portion, and the sub-seat portion is inserted into the main seat. A rolling portion of the spring hinge; a plug connector, disposed on the main body, protruding from the sub-seat portion along the axial direction for plugging into a torsion spring of the spring hinge; and at least one hooking hole , extending through the plug connector and the main body along the axial direction, and the at least one hooking hole is inserted into the torsion spring along the radial direction to abut the main body in the circumferential direction. The base for a spring hinge as claimed in claim 1, wherein the first member is further provided with a plurality of first convex portions and a plurality of first concave portions, and the plurality of first convex portions and the plurality of first concave portions are along the circumferential direction Alternately arranged, the second member is further provided with a plurality of second convex portions and a plurality of second concave portions, the plurality of second convex portions are respectively corresponding to the plurality of first concave portions in the axial direction, and the plurality of second concave portions are respectively in the axial direction. Corresponding to the plurality of first convex portions; wherein, the plurality of first convex portions are respectively inserted into the plurality of second concave portions, and the plurality of second convex portions are respectively inserted into the plurality of first concave portions, so that the second component is connected to the first concave portion. part. The base for a spring hinge according to claim 1, wherein the material of the second part is different from the material of the first part, and the hardness of the first part is greater than that of the second part. The base for a spring hinge according to claim 3, wherein the outer contour of each of the first slots is an arc groove, the outer contour of each of the second slots is an arc groove, and in the axial direction, The maximum slot depth of each of the first slots is greater than the maximum slot depth of each of the second slots. The base for a spring hinge according to claim 1, wherein the main body further comprises at least one hole wall surrounding the at least one hooking hole, and the at least one hole wall comprises two abutting surfaces and a supporting surface , the supporting surface is transversely connected between the two abutting surfaces, one of the abutting surfaces is for the abutting section of the torsion spring to abut against in the circumferential direction, and the supporting surface is for the abutting section of the torsion spring to abut the shaft against upwards. The base for a spring hinge as claimed in claim 5, wherein the support surface extends obliquely toward an axis of the main body and the direction of the second component. The base for a spring hinge according to any one of claims 1 to 6, wherein the radial dimension of the auxiliary seat is smaller than the radial dimension of the main seat, and the radial dimension of the plug is smaller than that of the auxiliary seat The radial dimension of the seat portion, the at least one hooking hole further extends to the sub-seat portion along the axial direction, so that the latching section of the torsion spring laterally abuts the sub-seat portion. The base for a spring hinge as claimed in claim 7, wherein at least one inclined surface is recessed along the axial direction on a side surface of the sub-seat portion facing away from the second component, and the at least one inclined surface is along the circumference The at least one inclined surface extends obliquely toward and toward the direction of the second member to the hole edge of the at least one hooking hole, and the at least one inclined surface is used for abutting the end surface of a helical segment of the torsion spring, and the latching segment is transversely connected to the helical segment. . The base for a spring hinge as claimed in claim 6, wherein the first member is further provided with a plurality of first convex portions and a plurality of first concave portions, and the plurality of first convex portions and the plurality of first concave portions are along the circumferential direction Alternately arranged, the second member is further provided with a plurality of second convex portions and a plurality of second concave portions, the plurality of second convex portions are respectively corresponding to the plurality of first concave portions in the axial direction, and the plurality of second concave portions are respectively in the axial direction. Corresponding to the plurality of first convex portions; wherein, the plurality of first convex portions are respectively inserted into the plurality of second concave portions, and the plurality of second convex portions are respectively inserted into the plurality of second concave portions. The convex parts are respectively inserted into the plurality of first concave parts, so that the second part is connected to the first part; the material of the second part is different from the material of the first part, and the hardness of the first part is greater than that of the second part The outer contour of each first slot is an arc groove, the outer contour of each second slot is an arc groove, and in the axial direction, the maximum groove depth of each first slot is greater than that of each The maximum groove depth of the second slot; at least one inclined surface is recessed along the axial direction on a side surface of the sub-seat portion facing away from the second component, and the at least one inclined surface is along the circumferential direction and faces the second The direction of the part extends obliquely to the hole edge of the at least one hooking hole, the at least one inclined surface is used for abutting an end surface of a helical segment of the torsion spring, and the abutting segment is transversely connected to the helical segment; the first part and At least one of the second components is recessed with a weight-reducing groove, and the weight-reducing groove communicates with the plurality of insertion holes; the radial dimension of the auxiliary seat is smaller than the radial dimension of the main seat and the radial dimension of the plug connector smaller than the radial dimension of the sub-seat portion, the at least one hooking hole further extends to the sub-seat portion along the axial direction, so that the abutting section of the torsion spring is laterally abutted against the sub-seat portion; each of the The first convex portion and each of the second convex portions are cylindrical, and each of the first concave portion and each of the second concave portions is in the shape of a circular hole; the material of the first component is metal, and the material of the second component is plastic; each The socket is in the shape of a round hole; the ratio of the maximum groove depth of each of the first sockets to the maximum groove depth of each of the second sockets is at least 2; the number of the at least one hooking hole and the number of the at least one hole wall are respectively For two, the main body is further provided with a shaft hole extending along the axial direction, the shaft hole communicates with the hooking hole in the radial direction and is not communicated with the weight reduction groove, and the shaft hole is used for one of the spring hinges. The rod is passed through; the number of the at least one inclined surface is four, and the four inclined surfaces are arranged in two groups on the two sides of the two abutting surfaces of the two hole walls; the weight reduction groove is annular; the plurality of The first convex parts, the plurality of first slots and the plurality of first concave parts are alternately arranged in a ring; the plurality of second convex parts, the plurality of second slots and the plurality of second concave parts are alternately arranged in sequence. Circular arrangement. A base for a spring hinge, comprising: A main body defines an axial direction, a radial direction and a circumferential direction, and includes a main seat portion and a secondary seat portion. The main seat portion is provided with a plurality of insertion holes extending along the radial direction, and the plurality of insertion holes are arranged in the circumference. Upwardly arranged at intervals, the plurality of sockets are used for a positioning pin of a spring hinge to be inserted into, the auxiliary seat portion is arranged on the main seat portion extending along the axial direction, and the auxiliary seat portion is inserted into the spring hinge for insertion. a rolling part; a plug-in joint, disposed on the main body, protruding from the sub-seat part along the axial direction for plugging into a torsion spring of the spring hinge; and at least one hooking hole along the axial direction Axially extending through the plug connector, the at least one hooking hole is used for a clipping section of the torsion spring to be inserted and extended along the radial direction to abut the main body in the circumferential direction; wherein, the auxiliary seat portion is The radial dimension is smaller than the radial dimension of the main seat, the radial dimension of the plug is smaller than the radial dimension of the sub-seat, and the at least one hooking hole further extends to the sub-seat along the axial direction, so that the The latching section of the torsion spring is laterally abutted against the sub-seat portion; wherein, the main body further includes at least one hole wall surrounding the at least one hooking hole, the at least one hole wall includes two abutting surfaces and a supporting surface, the supporting surface is laterally connected between the two abutting surfaces, the supporting surface is disposed on the sub-seat part, and one of the abutting surfaces is used for the abutting section of the torsion spring to abut in the circumferential direction, the The supporting surface is for the clamping section of the torsion spring to abut on the axial direction; wherein, the supporting surface and the clamping section of the torsion spring respectively extend obliquely towards an axis line of the main body and the direction of the main seat part ; wherein, at least one inclined surface is recessed along the axial direction on a side surface of the auxiliary seat portion facing away from the main seat portion, and the at least one inclined surface extends obliquely to the At least one hole edge of the hooking hole is provided, and the at least one inclined surface is used for abutting an end surface of a helical segment of the torsion spring, and the latching segment is transversely connected to the helical segment.

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