CN219359378U

CN219359378U - Assembling device for snap springs

Info

Publication number: CN219359378U
Application number: CN202320140981.4U
Authority: CN
Inventors: 白传磊; 王信鹏; 孔博; 白园园; 苏东涛; 郭连超; 赵承谦
Original assignee: Shelfoil Petroleum Equipment & Services Co ltd; China Petroleum and Chemical Corp; Sinopec Petroleum Engineering Technology Research Institute Co Ltd
Current assignee: Shelfoil Petroleum Equipment & Services Co ltd; China Petroleum and Chemical Corp; Sinopec Petroleum Engineering Technology Research Institute Co Ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-07-18
Anticipated expiration: 2033-02-07

Abstract

The utility model provides an assembly device for a clamp spring, which comprises a main body mechanism, wherein the main body mechanism comprises a pair of limiting components and a cross beam, the limiting components comprise a first annular component, a second annular component and an adjusting mechanism, the limiting components comprise a movable component used for fixing the clamp spring, a first connecting rod extending through the movable component and the first annular component, and a second connecting rod extending through the movable component and the second annular component, the movable component comprises a first movable component and a second movable component which are arranged at intervals, the second connecting rod is configured to rotate under the action of external force, and therefore the first movable component and the second movable component are driven to move on the first connecting rod along the axial direction to adjust the opening degree of the clamp spring. The utility model can effectively reduce the requirement on the holding force during manual operation, thereby effectively improving the working efficiency.

Description

Assembling device for snap springs

Technical Field

The utility model relates to the technical field of assembly devices, in particular to an assembly device for a clamp spring.

Background

The clamping spring, also called a retainer ring or a retaining ring, belongs to one of the fasteners. The snap spring is mainly arranged in a shaft groove or a hole groove of a machine or equipment, thereby playing a role in preventing the axial movement of a part on the shaft or the hole.

Currently, snap spring assembly is generally performed by means of snap spring pliers. The main work is that the clamping spring is firstly spread by holding the clamping spring pliers so as to increase the inner diameter of the clamping spring, and then the spread clamping spring is arranged in a clamping spring groove of the workpiece along the axis from one end of the workpiece.

CN203592461U discloses a general circlip pliers for inner and outer circlips, which belongs to the field of circlips pliers in hardware tools. Including two working contacts and two calliper handles, the crossing back coupling of two calliper handles, the one end of calliper handle is calliper head, its characterized in that: the front end face of the clamp head is provided with a hole clamp slot and a shaft clamp slot, the opening of the shaft clamp slot is perpendicular to the end face of the clamp head, and an included angle is formed between the opening of the hole clamp slot and the opening of the shaft clamp slot; the tail end of the working contact is fixed in the slot through the contact fixing pin in an inserting way, and the front end of the working contact is bent to form an elbow.

The above device has the following problems in the assembly process: first, the jump ring intensity is usually higher, and consequently the jump ring pincers struts the required clamping force of jump ring great, consequently has higher to artificial grip requirement. Secondly, the contact surface of the clamp spring pliers head and the clamp spring is easy to shake, so that the clamp spring pliers are easy to separate from the clamp spring in the clamp spring assembling process, and repeated clamping is easy to cause. Thirdly, two persons are usually required to cooperate in the assembly process, so that the working efficiency is low.

It is therefore desirable in the art to provide an assembly device for a snap spring to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide an assembly device for a clamp spring, which can convert the circumferential motion of a second connecting rod into the axial motion of a first movable piece and a second movable piece, thereby effectively reducing the requirement on holding force during manual operation and further effectively improving the working efficiency. In addition, the utility model can also ensure that the spring maintains a stable posture after being unfolded so as to improve the success rate of assembly.

According to the present utility model, there is provided an assembling device for a clip spring, comprising a main body mechanism configured in a U-shaped structure including a pair of stopper members and a cross member provided between the two stopper members, wherein the stopper members include a first ring member and a second ring member, and

an adjusting mechanism comprising a movable assembly for fixing a snap spring, a first connecting rod extending through the movable assembly and the first ring-shaped member, and a second connecting rod extending through the movable assembly and the second ring-shaped member,

wherein the movable component comprises a first movable piece and a second movable piece which are arranged at intervals,

the second connecting rod is configured to rotate under the action of external force, so that the first movable piece and the second movable piece are driven to move on the first connecting rod along the axial direction to adjust the opening degree of the clamp spring.

In one embodiment, the adjustment mechanism comprises a first guide for urging the first moveable member to move axially and a second guide for urging the second moveable member to move axially, wherein the first guide is disposed on the second connecting rod spaced apart from the second guide.

In one embodiment, the first guide is a forward thread and the second guide is a reverse thread, allowing the first moveable member to move toward or away from the second moveable member.

In one embodiment, the second connecting rod is configured to:

when the first movable piece and the second movable piece are rotated in the forward direction, the first movable piece and the second movable piece can be driven to move back to the first connecting rod so as to prop up the clamp spring,

when the clamping spring rotates reversely, the first movable piece and the second movable piece can be driven to move on the first connecting rod in opposite directions so as to reset the clamping spring.

In one embodiment, the first guide portion and the second guide portion have equal length values, so that the axial movement paths of the first movable member and the second movable member can be respectively limited.

In one embodiment, the first movable part and the second movable part each comprise a first connecting part in a columnar form and a second connecting part in a plate-shaped form extending outwards from the first connecting part along the axial direction, wherein a clamping groove for fixing the free end of the clamping spring is formed on the radial outer side of the second connecting part.

In one embodiment, a plurality of through holes which are distributed along the axial direction at equal intervals are arranged at the two ends of the first connecting rod,

the adjustment mechanism further includes clamping members extendable through the through holes and respectively axially abutting the first annular member.

In one embodiment, the spacing assembly further comprises a first link disposed between the first and second loop members and a second link disposed between the second loop member and the cross beam.

In one embodiment, the second annular member has an inner diameter greater than an inner diameter of the first annular member.

In one embodiment, the adjusting mechanism further comprises a stop member disposed at the first end of the second connecting rod for axial abutment with the second ring member, and a handle disposed at the second end of the second connecting rod for controlling rotation of the second connecting rod.

Compared with the prior art, the utility model has the advantages that: according to the utility model, the circumferential movement of the second connecting rod can be converted into the axial movement of the first movable piece and the second movable piece, so that the requirement on holding force during manual operation is effectively reduced, and the working efficiency is effectively improved. Compared with the traditional clamp spring pliers, the second connecting rod does not need to be continuously controlled, so that the assembling device for the clamp spring can ensure that the clamp spring can have a stable state after being unfolded, and the follow-up assembling work is facilitated. In addition, the snap spring can have a stable state after being unfolded, so that the assembling success rate of the snap spring is remarkably improved.

Drawings

The utility model will be described in detail below with reference to the attached drawing figures, wherein:

fig. 1 schematically shows the construction of an assembly device for a snap spring according to the utility model.

In the drawings, like parts are designated with like reference numerals. The figures are not drawn to scale.

Detailed Description

In order to make the technical solution and advantages of the present utility model more apparent, exemplary embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings. It will be apparent that the described embodiments are only some of the embodiments of the present utility model and are not exhaustive of all embodiments. And embodiments of the utility model and features of the embodiments may be combined with each other without conflict.

The utility model will be further described with reference to the accompanying drawings.

Fig. 1 schematically shows the structure of an assembly device 100 for a snap spring according to the present utility model.

As shown in fig. 1, an assembly device 100 for a snap spring according to the present utility model includes a body mechanism 1. The body mechanism 1 is configured in a U-shaped structure, and includes a pair of spacing assemblies 2, and a cross member 23 disposed between the two spacing assemblies 2. It will be appreciated that the body mechanism 1 is a basic frame structure of the assembly device 100 for a snap spring, thereby facilitating subsequent installation of the first connecting rod 33 (described below) and the second connecting rod 34 (described below).

In one embodiment, as shown in fig. 1, the spacing assembly 2 includes a first ring 21, a second ring 22, and a first link 24 disposed between the first ring 21 and the second ring 22. Wherein, the first annular piece 21 is fixedly connected with the top end of the first connecting rod 24; the second ring 22 is fixedly connected to the bottom end of the first link 24. Therefore, the axial positions of the first ring 21 and the second ring 22 can be reasonably restricted by the first link 24.

According to the utility model, as shown in fig. 1, the assembly device 100 for a jump ring further comprises an adjustment mechanism 3. The adjusting mechanism 3 comprises a movable assembly for fixing the snap spring 4, a first connecting rod 33 and a second connecting rod 34. Wherein the first connecting rod 33 is configured to extend through the movable assembly and the first ring 21, thereby effectively limiting the longitudinal position of the movable assembly. The second connecting rod 34 is configured to extend through the movable assembly and the second ring 22 so as to effectively limit the longitudinal position of the movable assembly. Therefore, the movable assembly can move on the first connecting rod 33 and the second connecting rod 34, so that the assembly work of the clamp spring is completed. The contents of which are described below.

In one embodiment, as shown in fig. 1, the movable assembly includes first and second movable members 31 and 32 arranged at intervals. Preferably, the first movable member 31 and the second movable member 32 have the same structure, and each includes a first connecting portion 321 in a columnar form. It is easy to understand that the first connecting rod 33 and the second connecting rod 34 extend through the first connecting portion 321, so as to ensure that the movable assembly can only perform lateral movement between the first connecting rod 33 and the second connecting rod 34.

In one embodiment, as shown in fig. 1, each of the first movable member 31 and the second movable member 32 includes a second connecting portion 322 in the form of a plate extending axially outwardly from the first connecting portion 321. It is easy to understand that a firm fixing relationship can be formed between the second connecting portion 322 and the clamp spring 4, so that the clamp spring is ensured to have a stable state all the time in the expanding process, the success rate of clamp spring assembly is further improved, and the working efficiency of clamp spring assembly is further improved.

According to one embodiment of the utility model, the second connecting rod 34 is configured to rotate under the action of external force, so as to cause the first movable member 31 and the second movable member 32 to move axially on the first connecting rod 33 to adjust the opening degree of the clamp spring 4. Thereby, the clamping spring 4 can be quickly and stably unfolded, and can be more easily installed in the workpiece clamping spring groove.

In a preferred embodiment, the first guide 341 is a forward thread and the second guide 342 is a reverse thread. Therefore, the first movable member 31 can move in opposite directions or back to back under the action of the first guide portion 341 and the second movable member 32 under the action of the second guide portion 342, so as to help to open and mount the clamp spring 4 in the workpiece clamp spring groove. Specifically, the second connecting rod 34 is rotated, so that the first movable member 31 moves axially under the combined action of the forward threads and the second movable member 32 under the combined action of the reverse threads, and the assembly work of the clamp spring is completed.

In a particular embodiment, the second connecting rod 34, under the action of the two second annular elements 22, can ensure that it is always in a fixed position in the axial direction, so that the stability of the assembly device 100 for the snap spring during operation can be further improved.

In one embodiment, the second connecting rod 34 is configured to urge the first movable member 31 and the second movable member 32 back on the first connecting rod 33 to spread the clamp spring 4 during forward rotation. In this way, the clamp spring 4 can be more easily spread, and the clamp spring 4 can be always in a stable state under the action of the second connecting part 322 of the movable assembly, so that the success rate of assembling the clamp spring 4 is improved.

In one embodiment, the second connecting rod 34 is configured to urge the first movable member 31 and the second movable member 32 to move toward each other on the first connecting rod 33 to reset the clip spring 4 when rotated in the opposite direction. In this way, the clamp spring 4 can be more easily installed in the clamp spring groove of the workpiece, so that the working efficiency and the success rate of assembling the clamp spring 4 can be effectively improved.

In another embodiment, the first guide 341 is a reverse thread and the second guide 342 is a forward thread. The specific working principle is the same as the above, and therefore will not be described in detail.

In one embodiment, the first guide portion 341 and the second guide portion 342 have equal length values, so that the axial movement paths of the first movable member 31 and the second movable member 32 can be respectively limited. Specifically, when the second connecting rod 34 is rotated, the first movable member 31 and the second movable member 32 can move by the same distance in the axial direction, thereby ensuring that the assembling device 100 for the clip spring can meet the requirements of the maximum and minimum opening and closing degrees of the clip spring 4. By means of the method, the opening degree of the clamp spring 4 can be effectively adjusted, and accordingly follow-up assembly work of the clamp spring 4 is facilitated.

Preferably, the assembling device 100 for the clamping spring can also adjust the length values of the first guide portion 341 and the second guide portion 342 according to the clamping spring 4 having different opening degrees, so that various different situations can be effectively dealt with to ensure that the clamping spring 4 can be stably and smoothly installed into the workpiece clamping spring groove.

In one embodiment, a plurality of through holes (partially shown in the drawings) are provided at both ends of the first connecting rod 33, which are equally spaced in the axial direction. According to the utility model, as shown in fig. 1, the adjustment mechanism 3 further comprises a clamping member 35. The clamping member 35 is configured to extend through the through hole and to form an axial abutment with the first annular member 21, so that the position of the first connecting rod 33 can be effectively limited, and further limiting of the longitudinal positions of the first movable member 31 and the second movable member 32 is achieved.

In one embodiment, the second annular member 22 has an inner diameter that is larger than the inner diameter of the first annular member 21. It will be readily appreciated that the diameter of the opposing second connecting rod 34 is larger than the diameter of the first connecting rod 33. Thus, the external threads on the second connecting rod 34 can be more fully engaged with the internal threads on the first movable member 31 and the second movable member 32, so that the position of the movable assembly on the second connecting rod 34 can be more accurately adjusted.

In one embodiment, as shown in fig. 1, the adjustment mechanism 3 further includes a limiter 343. The limiter 343 is disposed at the first end of the second connecting rod 34, and the limiter 343 is capable of effective axial abutment with the second ring 22, thereby limiting the second connecting rod 34 in axial position.

In one embodiment, as shown in fig. 1, the adjustment mechanism 3 further includes a handle 344. A handle 344 is provided at a second end of the second connecting rod 34, and rotation of the second connecting rod 34 can be controlled by the handle 344. In this way, the worker can more easily rotate the second connecting rod 34 under the action of the handle 344.

In one embodiment, a second link 25 is also provided between the second ring 22 and the cross beam 23, so as to promote good stability of the overall structure of the assembly device 100 for the circlip.

Compared with the prior art, the utility model converts the circumferential movement of the second connecting rod 34 into the axial movement of the first movable piece 31 and the second movable piece 32, thereby effectively reducing the requirement on the holding force during manual operation and further effectively improving the working efficiency. In addition, compared with the conventional clip pliers, the second connecting rod 34 does not need to be continuously controlled, so that the assembly device 100 for the clip can ensure that the clip 4 can have a stable state after being spread, thereby facilitating subsequent assembly work.

The utility model provides an assembly device for a clamp spring, which can convert the circumferential motion of a second connecting rod 34 into the axial motion of a first movable piece 31 and a second movable piece 32, thereby effectively reducing the requirement on the holding force during manual operation and further effectively improving the working efficiency. Compared with the conventional clamp spring pliers, the second connecting rod 34 is not required to be continuously controlled, so that the assembly device 100 for the clamp spring can ensure that the clamp spring 4 can have a stable state after being unfolded, thereby facilitating subsequent assembly work. In addition, the snap spring 4 can have a stable state after being unfolded, so that the assembling success rate of the snap spring 4 is remarkably improved.

The above is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto. Modifications and variations may readily be made by those skilled in the art within the scope of the present disclosure, and such modifications and variations are intended to be included within the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. An assembly device for a snap spring, comprising:

a main body mechanism (1) configured into a U-shaped structure, which comprises a pair of limit components (2) and a cross beam (23) arranged between the two limit components (2), wherein the limit components (2) comprise a first annular piece (21) and a second annular piece (22), and

an adjusting mechanism (3) comprising a movable assembly for fixing a snap spring (4), a first connecting rod (33) extending through the movable assembly and the first ring (21), and a second connecting rod (34) extending through the movable assembly and the second ring (22),

wherein the movable assembly comprises a first movable piece (31) and a second movable piece (32) which are arranged at intervals,

the second connecting rod (34) is configured to be rotatable under the action of external force, so that the first movable piece (31) and the second movable piece (32) are driven to move on the first connecting rod (33) along the axial direction to adjust the opening degree of the clamp spring (4).

2. Assembly device for a snap spring according to claim 1, characterized in that the adjustment mechanism (3) comprises a first guide (341) for causing an axial movement of the first movable member (31) and a second guide (342) for causing an axial movement of the second movable member (32), wherein the first guide (341) is arranged on the second connecting rod (34) spaced apart from the second guide (342).

3. Assembly device for a jump ring according to claim 2, characterized in that said first guide (341) is a forward thread and said second guide (342) is a reverse thread, allowing the first movable member (31) to move towards or away from the second movable member (32).

4. -assembly device for a jump ring according to claim 3, characterized in that said second connecting rod (34) is configured to:

during the forward rotation, the first movable piece (31) and the second movable piece (32) can be driven to move back to the first connecting rod (33) so as to open the clamp spring (4),

when the first movable piece (31) and the second movable piece (32) are rotated reversely, the first movable piece and the second movable piece can be driven to move oppositely on the first connecting rod (33) so as to reset the clamp spring (4).

5. Assembly device for a circlip according to claim 4, characterized in that the first guide (341) and the second guide (342) have equal length values, so as to be able to limit the axial movement path of the first movable part (31) and the second movable part (32), respectively.

6. Assembly device for a snap spring according to claim 5, characterized in that the first movable part (31) and the second movable part (32) each comprise a first connecting portion (321) of cylindrical form and a second connecting portion (322) of plate-like form extending axially outwards from the first connecting portion (321), wherein radially outside the second connecting portion (322) a clamping groove for fixing the free end of the snap spring (4) is provided.

7. Assembly device for a snap spring according to claim 6, characterized in that at both ends of the first connecting rod (33) several through holes are provided which are equally distributed in axial direction,

the adjustment mechanism (3) further comprises clamping members (35) which can extend through the through holes and respectively axially abut against the first annular member (21).

8. Assembly device for a snap spring according to any of claims 1 to 7, characterized in that the limit assembly (2) further comprises a first link (24) arranged between the first ring (21) and the second ring (22), and a second link (25) arranged between the second ring (22) and the cross beam (23).

9. Assembly device for a snap spring according to any of the claims 1 to 7, characterized in that the inner diameter of the second ring-shaped member (22) is larger than the inner diameter of the first ring-shaped member (21).

10. Assembly device for a snap spring according to any of claims 1 to 7, characterized in that the adjustment mechanism (3) further comprises a stop (343) provided at the first end of the second connecting rod (34) for axial abutment with the second ring (22), and a handle (344) provided at the second end of the second connecting rod (34) for controlling the rotation of the second connecting rod (34).