CN210046612U

CN210046612U - Spring assembly and disassembly tools

Info

Publication number: CN210046612U
Application number: CN201920275332.9U
Authority: CN
Inventors: 侯建勇
Original assignee: BAIC Motor Co Ltd
Current assignee: BAIC Motor Co Ltd
Priority date: 2019-03-04
Filing date: 2019-03-04
Publication date: 2020-02-11
Anticipated expiration: 2029-03-04

Abstract

The present disclosure relates to a spring assembly and disassembly tools, this spring assembly and disassembly tools structure is for pincerlike, includes: the first clamp body comprises a first clamp head part and a first clamp handle part which are connected with each other, the first clamp head part is provided with a first clamping part, the first clamp head part is provided with a first connecting point connected with the first clamp handle part, and the first clamp handle part is provided with a first holding part; the second clamp body comprises a second clamp head part and a second clamp handle part which are connected with each other, the second clamp head part is provided with a second clamping part, the second clamp head part is provided with a second connecting point connected with the second clamp handle part, and the second clamp handle part is provided with a second holding part; and the first tong head part and the second tong head part are hinged together through the pin shaft. Through above-mentioned technical scheme, the spring assembly and disassembly tools that this disclosure provided can solve among the prior art spring assembly and disassembly tools of automobile suspension bulky, the structure is complicated, need the technical problem that professional operated.

Description

Spring assembly and disassembly tools

Technical Field

The disclosure relates to the field of disassembling tools, in particular to a spring disassembling tool.

Background

The spring is a buffer element which forms the automobile suspension and is used for buffering the vibration of a road surface to an automobile body. During the suspension maintenance of vehicle, need with the spring compression after, just can carry out dismantling, the installation of bumper shock absorber subassembly, rely on the manpower can't overcome spring self rigidity during the compression spring, consequently, need borrow the dismouting operation that dedicated instrument could accomplish the spring.

The existing spring disassembling tool is large in size and complex in structure, and can be used only by professional operators in an automobile repair factory.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a spring assembly and disassembly tools, this spring assembly and disassembly tools can solve the technical problem that the suspension spring assembly and disassembly tools among the prior art is bulky, the structure is complicated, need the professional to operate.

In order to achieve the above object, the present disclosure provides a spring attachment/detachment tool configured in a pincer shape, including: the first clamp body comprises a first clamp head part and a first clamp handle part which are connected with each other, the first clamp head part is provided with a first clamping part, the first clamp head part is provided with a first connecting point connected with the first clamp handle part, and the first clamp handle part is provided with a first holding part; the second clamp body comprises a second clamp head part and a second clamp handle part which are connected with each other, the second clamp head part is provided with a second clamping part, the second clamp head part is provided with a second connecting point connected with the second clamp handle part, and the second clamp handle part is provided with a second holding part; the first tong head part and the second tong head part are hinged together through the pin shaft; wherein the first clamping portion has a first clamping surface facing the second clamping portion, and the second clamping portion has a second clamping surface facing the first clamping portion; the first tong head part is provided with a first hinge point connected with the pin shaft, the second tong head part is provided with a second hinge point connected with the pin shaft, a first distance between the first hinge point and any point in the first clamping surface is greater than a second distance between the first hinge point and the first connecting point, and a third distance between the second hinge point and any point in the second clamping surface is greater than a fourth distance between the second hinge point and the second connecting point; wherein a first obtuse angle is formed between a first vector from the first hinge point to any point in the first clamping surface and a second vector from the first hinge point to any point in the first holding portion, a second obtuse angle is formed between a third vector from the second hinge point to any point in the second clamping surface and a fourth vector from the second hinge point to any point in the second holding portion, the absolute value of the second vector is greater than the absolute value of the first vector, and the absolute value of the fourth vector is greater than the absolute value of the third vector.

Optionally, the first distance is equal to the third distance, the second distance is equal to the third distance, and the first obtuse angle is equal to the second obtuse angle.

Optionally, the first distance is at least twice the second distance; and/or the third distance is at least twice the fourth distance.

Optionally, the spring assembly tool is configured to: a first clamping force exerted by the first clamping portion on the clamped spring and a second clamping force exerted by the second clamping portion on the spring are collinear.

Optionally, the first clip portion is provided with a through hole, and the second clip portion is inserted into the through hole, so that the first clamping portion and the second clamping portion are opposite.

Optionally, a dimension of the first clamping surface in a longitudinal direction of the spring assembly and disassembly tool is equal to a dimension of the second clamping surface in the longitudinal direction, and a dimension of the second clamping surface in a transverse direction of the spring assembly and disassembly tool is not equal to a dimension of the first clamping surface in the transverse direction.

Optionally, the first head portion further comprises a first stop for preventing the spring from coming out of the first clamping portion, and the second head portion further comprises a second stop for preventing the spring from coming out of the second clamping portion.

Optionally, the first stopping portion is configured with a first stopping surface, the first caliper head portion is configured with a first limiting surface, the first clamping surface is connected between the first stopping surface and the first limiting surface, an angle between the first stopping surface and the first clamping surface is not greater than 90 °, and an angle between the first limiting surface and the first clamping surface is not greater than 90 °; the second stopping portion is configured with a second stopping surface, the second caliper head portion is configured with a second limiting surface, the second clamping surface is connected between the second stopping surface and the second limiting surface, the angle between the second stopping surface and the second clamping surface is not larger than 90 degrees, and the angle between the second limiting surface and the second clamping surface is not larger than 90 degrees.

Optionally, the spring assembly and disassembly tool further comprises a first safety piece and a second safety piece; the first safety piece is detachably connected to the first clamp head part so as to lock the spring relative to the first clamping part; the second safety member is detachably connected to the second jaw portion to lock the spring with respect to the second clamping portion.

Optionally, when the first safety member is connected to the first head portion, the spring can be locked between the first clamping surface, the first stop surface and the first limit surface; when the second safety piece is connected to the second head portion, the spring can be locked among the second clamping surface, the second stopping surface and the second limiting surface.

Through the technical scheme, the spring disassembling tool provided by the disclosure is composed of a first clamp body and a second clamp body which are hinged to each other through a pin shaft, wherein the first clamp body comprises a first clamp head part and a second clamp handle part which are connected to each other through a first connecting point, the second clamp body comprises a second clamp head part and a second clamp handle part which are connected to each other through a second connecting point, the pin shaft hinges the first clamp body and the second clamp body through a first hinge point located on the first clamp head part and a second hinge point located on the second clamp head part, and when an operator grips a second grip part located on the first grip part and the second clamp handle part of the first clamp handle part and applies force to enable the first grip part and the second grip part to be close to each other, the first clamp body and the second clamp body can rotate around the pin shaft, so that a first clamping part located on the first clamp head part and a second clamping part located on the second clamp handle part can be close to each other; a first distance between the first hinge point and any point of the first clamping surface is greater than a second distance between the first hinge point and the first connecting point, and a third distance between the second hinge point and any point of the second clamping surface is greater than a fourth distance between the second hinge point and the second connecting point, so that when the first clamping portion and the second clamping portion are far away from each other and are opened, as many spring rings as possible can be clamped between the first clamping surface and the second clamping surface; a first vector from the first hinge point to any point in the first clamping surface and a second vector from the first hinge point to any point of the first holding part form a first obtuse angle, a third vector from the second hinge point to any point of the second clamping surface and a fourth vector from the second hinge point to any point of the second holding part form a second obtuse angle, so that when the first holding part and the second holding part are close to each other, the first clamping surface and the second clamping surface can be matched with each other to clamp the spring, and the spring is compressed by overcoming the rigidity of the spring, so that the spring is assembled, disassembled and held and compressed; the absolute value of the second vector is larger than that of the first vector, and the absolute value of the fourth vector is larger than that of the third vector, so that the moment of force applied by an operator on the first holding part and the second holding part is larger than the moment of reaction force of the spring on the first clamping surface and the second clamping surface, and the operator can overcome the larger rigidity of the spring to compress the spring by applying smaller force on the first holding part and the second holding part. The spring assembly and disassembly tools that this disclosure provided is small, simple structure, easy operation, and this spring assembly and disassembly tools utilizes lever principle for the operator is comparatively laborsaving when compression spring.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a schematic diagram of a spring assembly/disassembly tool according to an embodiment of the present disclosure;

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

FIG. 3 is a schematic structural view of a first jaw body of the spring assembly/disassembly tool according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a second caliper body of the spring attachment/detachment tool according to an embodiment of the present disclosure.

Description of the reference numerals

1-a first caliper body, 11-a first caliper head portion, 111-a first connecting point, 112-a first hinge point, 113-a first limiting surface, 12-a first caliper handle portion, 121-a first holding portion, 13-a first clamping portion, 131-a first clamping surface, 14-a through hole, 15-a first stopping portion, 151-a first stopping surface, 2-a second caliper body, 21-a second caliper head portion, 211-a second connecting point, 212-a second hinge point, 213-a second limiting surface, 22-a second caliper handle portion, 221-a second holding portion, 23-a second clamping portion, 231-a second clamping surface, 24-a second stopping portion, 241-a second stopping surface, 3-a pin, 4-a spring, 5-a first safety piece, 6-a second safety piece.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, the use of directional terms such as "inner and outer" means inner and outer with respect to the inherent profile of the corresponding component part, unless otherwise specified; terms such as "first," "second," and the like, are used herein to distinguish one element from another, and are not necessarily sequential or significant. Furthermore, in the following description, in the drawings, like reference numerals in different drawings denote like elements.

As shown in fig. 1 to 4, according to an embodiment of the present disclosure, there is provided a spring attachment/detachment tool configured in a pincer shape, including: a first body 1, which may include a first head portion 11 and a first handle portion 12 connected to each other, the first head portion 11 may be provided with a first clamping portion 13, the first head portion 11 may have a first connecting point 111 connected to the first handle portion 12, and the first handle portion 12 may be provided with a first holding portion 121; a second body 2, which may include a second head portion 21 and a second handle portion 22 connected to each other, the second head portion 21 may be provided with a second clamping portion 23, the second head portion 21 may have a second connection point 211 connected to the second handle portion 22, and the second handle portion 22 may be provided with a second holding portion 221; the first tong head part 11 and the second tong head part 21 can be hinged together through the pin shaft 3; wherein the first clamping part 13 may have a first clamping surface 131 facing the second clamping part 23, and the second clamping part 23 may have a second clamping surface 231 facing the first clamping part 13; the first jaw portion 11 may have a first hinge point 112 connected to the pin 3, the second jaw portion 21 may have a second hinge point 212 connected to the pin 3, a first distance between the first hinge point 112 and any point of the first clamping surface 131 may be greater than a second distance between the first hinge point 112 and the first connection point 111, and a third distance between the second hinge point 212 and any point of the second clamping surface 231 may be greater than a fourth distance between the second hinge point 212 and the second connection point 211; a first vector from the first hinge point 112 to any point in the first clamping surface 131 and a second vector from the first hinge point 112 to any point in the first holding portion 121 may form a first obtuse angle, a third vector from the second hinge point 212 to any point in the second clamping surface 231 and a fourth vector from the second hinge point 212 to any point in the second holding portion 221 may form a second obtuse angle, an absolute value of the second vector may be greater than an absolute value of the first vector, and an absolute value of the fourth vector may be greater than an absolute value of the third vector, as shown in fig. 1 to 4.

With the above technical solution, the spring assembling and disassembling tool provided by the present disclosure is configured as a first caliper body 1 and a second caliper body 2 hinged to each other by a pin shaft 3, the first caliper body 1 includes a first caliper head portion 11 and a second caliper handle portion 12 connected to each other by a first connection point 111, the second caliper body 2 includes a second caliper head portion 21 and a second caliper handle portion 22 connected to each other by a second connection point 211, the pin shaft 3 hinges the first caliper body 1 and the second caliper body 2 by a first hinge point 112 located at the first caliper head portion 11 and a second hinge point 212 located at the second caliper head portion 21, when the operator grips the second grip portion 221 on the first and

second grip portions

121 and 22 of the first and

second forceps portions

12 and 22, when the first holding part 121 and the second holding part 221 are close to each other by applying force, the first forceps body 1 and the second forceps body 2 can rotate around the pin shaft 3, so that the first clamping portion 13 at the first head portion 11 and the second clamping portion 23 at the second shank portion 21 can be brought close to each other; a first distance between the first hinge point 112 and any point of the first clamping surface 131 is greater than a second distance between the first hinge point 112 and the first connecting point 111, and a third distance between the second hinge point 212 and any point of the second clamping surface 231 is greater than a fourth distance between the second hinge point 212 and the second connecting point 211, so that when the first clamping portion 13 and the second clamping portion 23 are far away from each other and are opened, as many spring coils as possible can be clamped between the first clamping surface 121 and the second clamping surface 231; a first vector from the first hinge point 112 to any point in the first clamping surface 131 and a second vector from the first hinge point 112 to any point in the first holding portion 121 form a first obtuse angle, a third vector from the second hinge point 212 to any point in the second clamping surface 231 and a fourth vector from the second hinge point 212 to any point in the second holding portion 221 form a second obtuse angle, so that when the first holding portion 121 and the second holding portion 221 approach each other, the first clamping surface 131 and the second clamping surface 231 can be matched with each other to clamp the spring 4, and the spring 4 is compressed by overcoming the elastic force of the spring 4, so that the spring 4 is assembled and disassembled; the absolute value of the second vector is greater than the absolute value of the first vector, and the absolute value of the fourth vector is greater than the absolute value of the third vector, so that the moment of the force applied by the operator on the first grip portion 121 and the second grip portion 221 is greater than the moment of the reaction force of the spring 4 on the first clamping surface 131 and the second clamping surface 231, so that the operator can overcome the greater stiffness of the spring 4 and compress the spring 4 by applying a smaller force on the first grip portion 121 and the second grip portion 221. The spring assembly and disassembly tools that this disclosure provided is less, simple structure, easy operation, and this spring assembly and disassembly tools utilizes lever principle for the operator is comparatively laborsaving when compression spring 4.

In particular embodiments of the present disclosure, the first and

second head portions

11, 21 may be configured in any suitable manner. Alternatively, the first and

second head portions

11, 21 may be respectively configured as a first and second L-shaped structure disposed oppositely, the first L-shaped structure may include a first vertical plate for connecting with the first handle portion 12 and a first horizontal plate for clamping the spring 4, wherein the first vertical plate may be connected with the first handle portion 12 through the first connecting point 111, the first hinge point 112 may be configured as a first through hole on the first vertical plate, and the first horizontal plate may serve as the first clamping portion 13; the second L-shaped structure may comprise a second vertical plate for connection with the second jaw portion 22 and a second horizontal plate for clamping the spring 4, wherein the second vertical plate may be connected with the second jaw portion 22 via a second connection point 211, the second hinge point 212 may be configured as a second through hole in the second vertical plate, and the second horizontal plate may serve as the second clamping portion 23; the first horizontal surface of the first horizontal plate and the second horizontal surface of the second horizontal plate are disposed opposite to each other, and the first horizontal surface and the second horizontal surface may be used as the first clamping surface 131 and the second clamping surface 231, respectively, as shown with reference to fig. 1 to 4. The first and

second head portions

11 and 12 configured in the L-shaped configuration make the first and second clamping

portions

13 and 23 respectively non-collinear with the first and

second handle portions

12 and 22, and the non-collinear first and second clamping

portions

13 and 23 respectively with the first and

second handle portions

12 and 22 can increase the distance that the jaws of the spring assembly/disassembly tool in the form of pliers are opened, compared to the case where the first and second clamping

portions

13 and 23 respectively are collinear with the first and

second handle portions

12 and 22, so that a greater number of spring coils of the spring 4 can be clamped, that is, the spring assembly/disassembly tool provided by the present disclosure can compress the spring 4 shorter, thereby facilitating assembly/disassembly. In addition, the first and

second head portions

11, 21 may be configured in first and second arcuate configurations with opposite openings, one end of the first arc-shaped structure and one end of the second arc-shaped structure are hinged with each other and are respectively connected with the first handle part 12 and the second handle part 22, the other end of the first arc-shaped structure and the second arc-shaped structure are respectively a first clamping part 13 and a second clamping part 23, the first and second arcuate structures also enable the first and second clamping

portions

13, 23 to be non-collinear with the first and

second handle portions

12, 22, respectively, thereby having the technical effect of increasing the jaws of the spring assembly tool, here, the first and

second jaw portions

11 and 12 may be configured such that the first and second clamping

portions

13 and 23 are not collinear with the first and

second handle portions

12 and 22, respectively, and the configuration of the first and

second jaw portions

11 and 12 is not limited in the present disclosure.

In order to ensure that the clamping forces to which the spring 4 is subjected are equalized, the first distance is equal to the third distance, the second distance is equal to the third distance, and the first obtuse angle is equal to the second obtuse angle, that is, the first and

second head portions

11, 12 have the same dimension in the longitudinal direction of the spring removal tool, so that the clamping forces applied by the first and

second jaw bodies

1, 2 to the spring 4 are equal.

In particular embodiments of the present disclosure, the relationship between the first distance and the second distance, and the relationship between the third distance and the fourth distance may be configured in any suitable manner. Optionally, the first distance is at least twice the second distance; and/or the third distance is at least twice the fourth distance. As long as the first distance is greater than the second distance and the third distance is greater than the fourth distance, the present disclosure does not limit the relationship between the first distance and the second distance and the relationship between the third distance and the fourth distance.

To prevent the spring 4 from skewing during compression, the spring disassembly tool is configured to: the first clamping force exerted by the first clamping portion 13 on the clamped spring 4 and the second clamping force exerted by the second clamping portion 23 on the spring 4 are collinear, so that when the spring assembly and disassembly tool compresses the spring 4, the first clamping force and the second clamping force are collinear and parallel to the axis of the spring 4, and the spring 4 is prevented from slipping and jumping out due to the fact that the spring 4 is inclined.

In order to make the first clamping force and the second clamping force collinear, the first head portion 11 is opened with a through hole 14, and the second head portion 21 is inserted into the through hole 14 so that the first clamping portion 13 and the second clamping portion 23 are opposite to each other, as shown in fig. 1. The through hole 14 may be opened on a first vertical plate, and as shown in fig. 1 to 3, a second vertical plate passes through the through hole 14 and is rotatable in the through hole 14 around the pin 3.

In order to make the force applied to the spring 4 uniform and stable when the spring is compressed, the dimension of the first clamping surface 131 in the longitudinal direction of the spring assembly/disassembly tool is equal to the dimension of the second clamping surface 231 in the longitudinal direction, and the dimension of the second clamping surface 231 in the transverse direction of the spring assembly/disassembly tool may not be equal to the dimension of the first clamping surface 131 in the transverse direction, as shown in fig. 1 to 4. That is to say, the lengths of the first horizontal plate and the second horizontal plate along the longitudinal direction of the spring assembly and disassembly tool are the same, so that the sizes of the contact surfaces of the first clamping surface 131 and the second clamping surface 231 with the spring 4 along the longitudinal direction of the spring assembly and disassembly tool are the same, and the sizes of the first horizontal plate and the second horizontal plate along the transverse direction of the spring assembly and disassembly tool are different, so that the connecting line of the contact point of the first clamping surface 131 with the spring 4 and the contact point of the second clamping surface 231 with the spring 4 forms a stable triangle, so that the stress of the spring 4 is uniform and stable when the spring 4 is compressed, and the spring 4 is prevented from being skewed.

In order to prevent the spring 4 from slipping out of the spring mounting tool, the first head part 11 further includes a first stopping portion 15 for preventing the spring 4 from coming out of the first clamping portion 13, and the second head part 2 further includes a second stopping portion 24 for preventing the spring 4 from coming out of the second clamping portion 23, as shown in fig. 1 to 4.

In particular embodiments of the present disclosure, the first blocking portion 15 and the second blocking portion 24 may be configured in any suitable manner. Alternatively, the first stopping portion 15 may be configured with a first stopping surface 151, the first caliper head 11 may be configured with a first limiting surface 113, the first clamping surface 131 is connected between the first stopping surface 151 and the first limiting surface 113, an angle between the first stopping surface 15 and the first clamping surface 131 is not greater than 90 °, an angle between the first limiting surface 113 and the first clamping surface 131 is not greater than 90 °, and refer to fig. 3; the second stopping portion 24 may be configured with a second stopping surface 241, the second jaw portion 21 may be configured with a second limiting surface 213, the second clamping surface 231 is connected between the second stopping surface 241 and the second limiting surface 213, an angle between the second stopping surface 241 and the second clamping surface 231 is not greater than 90 °, and an angle between the second limiting surface 213 and the second clamping surface 231 is not greater than 90 °, as shown in fig. 4. The first stop portion 15 may be configured as a first stop plate at the end of the first horizontal plate, the first stop plate may extend perpendicular to the first horizontal plate and in the direction of the second horizontal plate, the first limit surface 113 may be configured as a first vertical plate facing a first vertical surface of the first stop plate, the first stop plate has a first stop surface 151 opposite to the first vertical surface; the second stopping portion 24 may be configured as a second stopping plate at the end of the second horizontal plate, the second stopping plate may extend perpendicular to the second horizontal plate and toward the first horizontal plate, the second limiting surface 213 may be configured as a second vertical plate toward a second vertical surface of the second stopping plate, and the second stopping plate has a second stopping surface 241 opposite to the second vertical surface; the spring 4 is restrained between the first stop surface 151 and a first vertical surface as the first restraining surface 113 and between the second stop surface 241 and a second vertical surface as the second restraining surface 213 to prevent the spring 4 from slipping off the spring assembly tool.

In order to lock the spring 4 between the first clamping part 13 and the second clamping part 23, the spring assembling and disassembling tool further comprises a first safety piece 5 and a second safety piece 6, wherein the first safety piece 5 is detachably connected to the first tong head part 11 so as to lock the spring 4 relative to the first clamping part 13; the second securing member 6 is detachably connected to the second jaw portion 21 to lock the spring 4 relative to the second clamping portion 23, as shown with reference to fig. 1. The first and second securing

members

5, 6 are capable of locking the coils of the spring 4 to the first and second clamping

portions

13, 23, thereby acting to lock the spring 4 and the spring removal tool to each other.

In particular embodiments of the present disclosure, the first fuse 5 and the second fuse 6 may be configured in any suitable manner. Optionally, when the first safety member 5 is connected to the first caliper head 11, the spring 4 can be locked between the first clamping surface 131, the first stop surface 151 and the first limit surface 113; when the second safety member 6 is connected to the second jaw portion 21, the spring 4 can be locked between the second clamping surface 231, the second stop surface 241 and the second limit surface 213, as shown in fig. 1 and 2. A first limiting through hole and a second limiting through hole with collinear axes can be respectively arranged on the first limiting plate and the first vertical plate, the first safety piece 5 can be a bolt, the first safety piece 5 sequentially passes through the first limiting through hole and the second limiting through hole so as to lock the spring 4 among the first limiting surface 113, the first clamping surface 131 and the first stopping surface 151, the first safety piece 5 can be fastened between the first stopping plate and the first vertical plate through the bolt, and the first limiting through hole and the second limiting through hole can also be arranged as internal threaded holes so as to be in threaded connection with the first safety piece 5, refer to fig. 1 to fig. 3; the third limiting through hole and the fourth limiting through hole which are collinear in axis can be respectively arranged on the second limiting plate and the second vertical plate, the second safety part 6 can be a bolt, the second safety part 6 sequentially penetrates through the third limiting through hole and the fourth limiting through hole to lock the spring 4 between the second limiting surface 213 and the second clamping surface 231 and the second stopping surface 241, the second safety part 6 can be fastened between the second stopping plate and the second vertical plate through a bolt, and the third limiting through hole and the fourth limiting through hole can be arranged to be internally threaded holes to be in threaded connection with the second safety part 6, and the bolt is shown in reference to fig. 1, fig. 2 and fig. 4.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. A spring assembly tool, characterized in that the spring assembly tool is configured in the shape of a pincer, comprising:

a first plier body (1) comprising a first plier head part (11) and a first plier handle part (12) which are connected with each other, wherein the first plier head part (11) is provided with a first clamping part (13), the first plier head part (11) is provided with a first connecting point (111) connected with the first plier handle part (12), the first plier handle part (12) is provided with a first holding part (121),

a second forceps body (2) comprising a second forceps head portion (21) and a second forceps handle portion (22) which are connected with each other, the second forceps head portion (21) being provided with a second clamping portion (23), the second forceps head portion (21) having a second connection point (211) connected with the second forceps handle portion (22), the second forceps handle portion (22) being provided with a second holding portion (221), and

the first tong head part (11) and the second tong head part (21) are hinged together through the pin shaft (3),

wherein the first clamping part (13) has a first clamping surface (131) facing the second clamping part (23), the second clamping part (23) has a second clamping surface (231) facing the first clamping part (13),

wherein the first head part (11) has a first hinge point (112) connected to the pin (3), the second head part (21) has a second hinge point (212) connected to the pin (3), a first distance between the first hinge point (112) and any point in the first clamping surface (131) is greater than a second distance between the first hinge point (112) and the first connection point (111), a third distance between the second hinge point (212) and any point in the second clamping surface (231) is greater than a fourth distance between the second hinge point (212) and the second connection point (211),

wherein a first obtuse angle is formed between a first vector from the first hinge point (112) to any point in the first clamping surface (131) and a second obtuse angle is formed between a second vector from the first hinge point (112) to any point in the first holding portion (121), a third vector from the second hinge point (212) to any point in the second clamping surface (231) and a fourth vector from the second hinge point (212) to any point in the second holding portion (221) are formed into a second obtuse angle, an absolute value of the second vector is larger than an absolute value of the first vector, and an absolute value of the fourth vector is larger than an absolute value of the third vector.

2. The spring handling tool of claim 1, wherein the first distance is equal to the third distance, the second distance is equal to the third distance, and the first obtuse angle is equal to the second obtuse angle.

3. The spring energized tool of claim 1, wherein the first distance is at least twice the second distance; and/or the presence of a gas in the gas,

the third distance is at least twice the fourth distance.

4. The spring handling tool of claim 1, wherein the spring handling tool is configured to: a first clamping force exerted by the first clamping portion (13) on the clamped spring (4) and a second clamping force exerted by the second clamping portion (23) on the spring (4) are collinear.

5. The spring mounting and dismounting tool according to claim 4, wherein the first head portion (11) is provided with a through hole (14), and the second head portion (21) is arranged in the through hole (14) in a penetrating manner, so that the first clamping portion (13) and the second clamping portion (23) are opposite to each other.

6. The spring assembly tool according to claim 1, wherein the dimension of the first clamping surface (131) in the longitudinal direction of the spring assembly tool is equal to the dimension of the second clamping surface (231) in the longitudinal direction, and the dimension of the second clamping surface (231) in the transverse direction of the spring assembly tool is not equal to the dimension of the first clamping surface (131) in the transverse direction.

7. Spring handling tool according to any of claims 1-6, wherein the first head part (11) further comprises a first stop (15) for preventing the spring (4) from coming out of the first clamping part (13), and the second head part further comprises a second stop (24) for preventing the spring (4) from coming out of the second clamping part (23).

8. The spring assembly tool according to claim 7, wherein the first stop portion (15) is configured with a first stop surface (151), the first head portion (11) is configured with a first limit surface (113), the first clamping surface (131) is connected between the first stop surface (151) and the first limit surface (113), and an angle between the first stop surface (151) and the first clamping surface (131) is not greater than 90 °, and an angle between the first limit surface (113) and the first clamping surface (131) is not greater than 90 °;

the second stopping portion (24) is configured with a second stopping surface (241), the second caliper head portion (21) is configured with a second limiting surface (213), the second clamping surface (231) is connected between the second stopping surface (241) and the second limiting surface (213), an angle between the second stopping surface (241) and the second clamping surface (231) is not more than 90 degrees, and an angle between the second limiting surface (213) and the second clamping surface (231) is not more than 90 degrees.

9. The spring assembly/disassembly tool of claim 8, further comprising a first securing member (5) and a second securing member (6),

the first safety piece (5) is detachably connected to the first jaw part (11) to lock the spring (4) relative to the first clamping part (13);

the second securing element (6) is detachably connected to the second jaw part (21) in order to lock the spring (4) relative to the second clamping part (23).

10. The spring release tool according to claim 9, characterized in that the first securing element (5), when connected to the first jaw part (11), can lock the spring (4) between the first clamping surface (131), the first stop surface (151) and the first stop surface (113);

when the second safety piece (6) is connected to the second head portion (21), the spring (4) can be locked between the second clamping surface (231), the second stop surface (241) and the second limit surface (213).