CN215895241U

CN215895241U - Three-jaw caliper for disassembling watch rear cover

Info

Publication number: CN215895241U
Application number: CN202121692358.7U
Authority: CN
Inventors: 张文午
Original assignee: Shenzhen Jiahongxing Hardware Co ltd
Current assignee: Shenzhen Jiahongxing Hardware Co ltd
Priority date: 2021-07-24
Filing date: 2021-07-24
Publication date: 2022-02-22
Anticipated expiration: 2031-07-24

Abstract

The utility model discloses a three-jaw caliper for disassembling a watch rear cover, which comprises a caliper main body and a jaw assembly, wherein the jaw assembly comprises a clamping seat and a clamping hook, the clamping seat comprises a base and an installation part arranged on the base, the installation part is provided with an installation hole, the section of the installation hole is of an isosceles trapezoid structure, and the diameter of the installation hole is gradually increased from the hole bottom to the hole opening; the clamping hook comprises a connecting column and an embedded block, the connecting column is embedded in the mounting hole, the section of the connecting column is the same as that of the mounting hole, and the diameter of the connecting column is gradually increased from far to near according to the distance from the connecting column to the embedded block. The clamping hook can be installed on the clamping seat in a mode of directly inserting the connecting column into the installing hole, the clamping hook is convenient to disassemble and assemble, the clamping hooks with different types and specifications are convenient to replace, the installing hole with the isosceles trapezoid-shaped cross section is formed, the cross section of the connecting column is identical to the cross section of the installing hole in structure, and when the clamping hook is directly inserted into the clamping seat, eccentricity can be avoided, and cover removing efficiency is improved.

Description

Three-jaw caliper for disassembling watch rear cover

Technical Field

The utility model relates to the technical field of three-jaw calipers for disassembling a watch rear cover, in particular to a three-jaw caliper for disassembling a watch rear cover.

Background

The watch rear cover is a sealing cover for protecting parts inside the watch, and mainly has the main functions of fixing a movement, preventing dust and water, and when the watch needs to be maintained, the watch rear cover needs to be opened; lid generally adopts screw-in, snap-fastener formula, screw fixation combination mode and table body coupling behind the wrist-watch, and to the wrist-watch of lid behind six recesses, the tradition mode of uncapping directly with sled sword with it prizing, and the very easy fish tail of non-professional person of opening the table is shown the body, influences beautifully.

At present, a three-jaw extracting tool for disassembling six-groove back covers appears on the market, and comprises three adjustable clamping seats, and a clamping hook corresponding to the size of a groove is installed in the clamping seat, and the clamping hook is clamped in the three grooves of the six-groove back cover watch, and the back cover can be quickly disassembled by rotating the watch.

However, the hook of the three-jaw detaching tool in the prior art is usually fixedly installed in the clamping seat through threaded connection, the hook is easily eccentric in the process of being screwed into the clamping seat in rotation, when the watch with the six-groove back cover is detached, the hook installed in the clamping seat is difficult to be embedded in the corresponding groove, and then the back cover is difficult to detach, the surface is easy to slip in the detaching process, and the hook is difficult to replace when the watch with other models is detached.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides the three-jaw caliper for disassembling the watch back cover, which can prevent the clamping hook from being eccentric during installation, improve cover disassembling efficiency and facilitate replacement of the clamping hook.

The technical scheme adopted by the utility model for solving the technical problem is as follows: a three-jaw caliper for disassembling a watch rear cover comprises a caliper main body and a jaw assembly arranged on the caliper main body, wherein the jaw assembly comprises a clamping seat and a clamping hook arranged in the clamping seat, the clamping seat comprises a base connected with the caliper main body and an installation part arranged on the base and used for installing the clamping hook, an installation hole is formed in the installation part, the cross section of the installation hole is of an isosceles trapezoid structure, and the diameter of the installation hole is gradually increased from the hole bottom to a hole opening;

the clamping hook comprises a connecting column and an embedded block arranged at one end of the connecting column, the connecting column is embedded in the mounting hole, the section of the connecting column is the same as that of the mounting hole, and the diameter of the connecting column is gradually increased from far to near according to the distance from the connecting column to the embedded block.

Furthermore, a locking groove is formed in the middle of the mounting hole, and a locking ring for locking the clamping hook is mounted in the locking groove.

Furthermore, the inner ring of the lock ring is higher than the inner side wall of the mounting hole, the middle part of the connecting column is provided with an embedded groove, and the part of the inner ring of the lock ring, which is higher than the inner side wall of the mounting hole, is embedded in the embedded groove.

Furthermore, a supporting table is arranged at one end, close to the embedded block, of the connecting column, and the end face, close to the connecting column, of the supporting table is tightly attached to the end face of the top of the installation portion.

Further, the diameter of the support platform is larger than that of the mounting part.

Further, the clamping seat is made of plastic materials.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the mounting hole is formed in the mounting part, and the clamping hook comprising the connecting column is arranged, so that the clamping hook can be mounted on the clamping seat in a manner of directly inserting the connecting column into the mounting hole, the clamping hook is convenient and fast to assemble and disassemble, and the clamping hooks with different models and specifications can be conveniently replaced.

2. According to the utility model, the installation hole with the isosceles trapezoid-shaped cross section is arranged, and the cross section of the connecting column is identical to that of the installation hole, so that the clamping hook can be prevented from being eccentric when being directly inserted into the clamping seat, and the cover removing efficiency is further improved.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is an exploded view of the jaw assembly of the present embodiment;

figure 3 is a cross-sectional view of the jaw assembly of this embodiment.

In the figure: 1. a caliper body; 2. a jaw assembly; 3. a card holder; 31. a base; 32. an installation part; 321. mounting holes; 322. a locking groove; 4. a hook; 41. connecting columns; 411. caulking grooves; 42. an insert block; 43. a support table; 5. and a locking ring.

Detailed Description

In order that the present disclosure may be more readily and clearly understood, reference is now made to the following description taken in conjunction with the accompanying drawings.

It is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like as used herein, are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and therefore should not be considered limiting of the present invention. "plurality" means two or more unless otherwise specified.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

With reference to fig. 1 to 3, a three-jaw caliper for detaching a watch rear cover comprises a caliper main body 1 and a jaw assembly 2 arranged on the caliper main body 1, wherein the jaw assembly 2 comprises a clamping seat 3 connected to the caliper main body 1 and a clamping hook 4 installed in the clamping seat 3, and the watch rear cover is detached by clamping the clamping hook 4 in three grooves of a six-groove rear cover watch and rotating the watch; the clamping seat 3 in the embodiment comprises a base 31 used for being connected with the caliper main body 1 and a mounting part 32 arranged on the base 31, wherein the mounting part 32 is used for fixedly mounting the hook 4, so that the hook 4 can be kept fixed after being mounted in the clamping seat 3, and the watch rear cover is convenient to detach; the clamping hook 4 comprises a connecting column 41 and an embedded block 42 arranged at one end of the connecting column 41, wherein the embedded block 42 is matched with a groove of the watch rear cover, the embedded block 42 is clamped in the groove of the watch rear cover, the three-jaw caliper realizes the grabbing of the watch rear cover by the three-jaw caliper in the embodiment, and the watch rear cover is further detached; the mounting portion 32 in this embodiment is provided with the mounting hole 321, and the connecting column 41 is directly inserted into the mounting hole 321, so that the mounting and fixing of the hook 4 can be realized, and when the hook 4 is replaced, the hook 4 can be replaced only by directly pulling out the hook 4, thereby simplifying the dismounting and mounting of the hook 4 and realizing the function of facilitating the replacement of the hook 4 in this embodiment;

as shown in fig. 2 and 3, the cross section of the mounting hole 321 of the present embodiment is an isosceles trapezoid structure, and the diameter of the mounting hole 321 gradually increases from the hole bottom to the hole opening, so that the hook 4 can be mounted on the card holder 3 from the hole opening with a larger diameter when being mounted, thereby facilitating the mounting of the hook 4; the cross section shape of the connecting column 41 is the same as that of the mounting hole 321, so that the clamping hook 4 can be kept fixed when being mounted on the clamping seat 3, the clamping hook 4 is prevented from shaking to cause failure in the process of dismounting the watch rear cover, and the dismounting efficiency can be improved; simultaneously, the spliced pole 41 diameter of this embodiment is according to the distance by far away to nearly crescent with abaculus 42, the structure of mounting hole 321 is the same with spliced pole 41's structure simultaneously, and then make spliced pole 41 peg graft when in the mounting hole 321, can not produce eccentric phenomenon, can guarantee that abaculus 42 is in the central point of cassette 3 and put, and then improve the stability of abaculus 42 gomphosis in lid recess behind the wrist-watch, can prevent to tear open and cover in-process abaculus 42 and drop from the recess and lead to damaging the wrist-watch surface, and can improve the dismantlement efficiency of back lid.

As shown in fig. 2, a locking groove 322 is formed in the middle of the mounting hole 321 in the embodiment, and a locking ring 5 is installed in the locking groove 322, so that after the hook 4 of the embodiment is installed on the card seat 3, the hook 4 can be locked by a water connection column 41 of the locking ring 5, and the failure of lid removal due to falling of the hook 4 in the lid removal process is prevented; as shown in fig. 3, the inner ring of the locking ring 5 is higher than the inner side wall of the mounting hole 321, and in the embodiment, the middle part of the connecting column 41 is provided with the caulking groove 411, so that after the connecting column 41 is inserted into the mounting hole 321, the part of the inner ring of the locking ring 5 higher than the inner side wall of the mounting hole 321 can be embedded in the caulking groove 411, thereby locking the hook 4 and improving the firmness of the installed hook 4.

As shown in fig. 1 and fig. 2, a support platform 43 is disposed at one end of the connection column 41 close to the insert 42, and an end surface of the support platform 43 close to the connection column 41 is closely attached to an end surface of the top of the mounting portion 32, in this embodiment, by disposing the support platform 43, the hook 4 can maintain a fixed height position under the support of the support platform 43, thereby ensuring the success rate of cap removal; the diameter of the support platform 43 of this embodiment is greater than the diameter of the mounting portion 32, so that when the hook 4 is detached and replaced in this embodiment, the hook 4 can be pulled out upwards from the step formed by the support platform 43 and the mounting portion 32, thereby realizing the function of detaching the hook 4 quickly in this embodiment.

The clamping seat 3 of the embodiment is made of plastic materials, compared with metal materials, the plastic materials have lower cost and better elasticity, when the connecting column 41 is inserted into the mounting hole 321, the connecting column 41 can be tightly wrapped through the elasticity of the plastic materials, and the firmness degree of the clamping hook 4 after being mounted is further improved.

The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention should not be limited thereby, and any insubstantial changes and modifications made by those skilled in the art based on the present invention are within the scope of the present invention.

Claims

1. The utility model provides a three-jaw calliper for dismantling lid behind wrist-watch, includes calliper main part and locates the claw subassembly in the calliper main part, its characterized in that: the clamping jaw assembly comprises a clamping seat and a clamping hook installed in the clamping seat, the clamping seat comprises a base connected with the caliper main body and an installation part arranged on the base and used for installing the clamping hook, an installation hole is formed in the installation part, the cross section of the installation hole is of an isosceles trapezoid structure, and the diameter of the installation hole is gradually increased from the hole bottom to the hole opening;

2. A three-jaw caliper for disassembling the back cover of watches, according to claim 1, characterized in that: and a locking groove is formed in the middle of the mounting hole, and a locking ring for locking the clamping hook is arranged in the locking groove.

3. A three-jaw caliper for disassembling the back cover of watches, according to claim 2, characterized in that: the inner ring of the lock ring is higher than the inner side wall of the mounting hole, the middle part of the connecting column is provided with an embedded groove, and the part of the inner ring of the lock ring, which is higher than the inner side wall of the mounting hole, is embedded in the embedded groove.

4. A three-jaw caliper for disassembling the back cover of watches, according to claim 1, characterized in that: the spliced pole is close to abaculus one end and is equipped with the brace table, the terminal surface that the brace table is close to the spliced pole is hugged closely with installation department top end face.

5. A three-jaw caliper for disassembling the back cover of watches, according to claim 4, characterized in that: the diameter of the support platform is larger than that of the mounting part.

6. A three-jaw caliper for disassembling the back cover of watches, according to claim 1, characterized in that: the clamping seat is made of plastic materials.