CN216731443U

CN216731443U - Telescopic clamp

Info

Publication number: CN216731443U
Application number: CN202123394332.7U
Authority: CN
Inventors: 周庚
Original assignee: Shenzhen Yuxin Machinery Co ltd
Current assignee: Shenzhen Yuxin Machinery Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-06-14
Anticipated expiration: 2031-12-29

Abstract

The utility model provides a telescopic clamp, and belongs to the field of jewelry processing. The telescopic clamp comprises a shell, a transmission assembly and a clamping assembly; an installation channel is arranged in the shell, and the clamping assembly is arranged in the installation channel in a sliding manner; the transmission assembly is in transmission connection with the clamping assembly and is used for driving the clamping assembly to move along the axis direction of the mounting channel; the clamping assembly comprises a clamping piece and a first limiting piece, and the first limiting piece is coaxially connected with the clamping piece; the lateral wall cover of holder is equipped with the spacing ring, and the spacing ring is used for forming spacingly with the casing, and the one end that the casing was kept away from to the holder is equipped with the clamping part. According to the telescopic clamp provided by the utility model, the transmission component drives the clamping component to move along the axis direction of the mounting channel, so that the positions of different jewelry in the processing process are adjusted, and the use efficiency of the telescopic clamp and the processing efficiency of the jewelry are improved.

Description

Telescopic clamp

Technical Field

The utility model relates to the field of jewelry processing, in particular to a telescopic clamp.

Background

The existing equipment for processing the jewelry is only used for fixing the jewelry and cannot adjust the processing position according to different types of the jewelry. When different ornaments are fixed, the clamps with different lengths need to be replaced, and the ornaments are arranged at corresponding processing positions, so that the processing operation of the ornaments is complicated, the efficiency is low, and manpower and material resources are wasted.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a telescopic clamp to overcome the disadvantages of the prior art.

The utility model provides the following technical scheme: a telescopic clamp comprises a shell, a transmission assembly and a clamping assembly;

an installation channel is arranged in the shell, and the clamping assembly is arranged in the installation channel in a sliding manner;

the transmission assembly is in transmission connection with the clamping assembly and is used for driving the clamping assembly to move along the axis direction of the mounting channel;

the clamping assembly comprises a clamping piece and a first limiting piece, and the first limiting piece is coaxially connected with the clamping piece;

the lateral wall cover of holder is equipped with the spacing ring, the spacing ring be used for with the casing forms spacingly, the holder is kept away from the one end of casing is equipped with the clamping part.

In some embodiments of the present invention, the telescopic clamp further includes a partition board, the partition board divides the installation channel into a first channel and a second channel, the partition board is provided with a connection hole, and the first channel and the second channel are communicated through the connection hole.

Further, the transmission assembly comprises a first worm, a second worm and a worm wheel;

the worm wheel is sleeved on the worm and is coaxially arranged with the first worm, one end of the first worm penetrates through the connecting hole to be in threaded connection with one end, far away from the clamping part, of the clamping piece, and the worm wheel is arranged in the second channel;

the second worm is externally meshed with the turbine.

Furthermore, a plurality of spaced bosses are arranged on the side wall of the shell, and an installation groove is formed in the side wall of one boss;

the mounting groove is communicated with the second channel, and the second worm is arranged in the mounting groove.

Further, the axis of the clamping piece and the axis of the mounting channel are coincident with the axis of the first worm.

Furthermore, a limiting structure is arranged in the second channel and is positioned on one side, far away from the first worm, of the turbine.

Furthermore, the first limiting part is arranged on one side, close to the clamping part, of the clamping part, a sliding groove is further formed in the side wall of the clamping part, and the sliding groove is located on one side, away from the clamping part, of the limiting ring.

Further, the lateral wall of casing is equipped with the mounting hole, be equipped with the second locating part in the mounting hole, the one end that the second locating part is close to the holder is located in the spout.

Furthermore, the first limiting part is arranged at one end of the clamping part far away from the clamping part, and the first limiting part and the clamping part are coaxially arranged.

Further, the transmission assembly comprises a transmission member and a third limiting member, and the third limiting member is located on one side of the transmission member, which is far away from the first limiting member;

the transmission piece is in threaded connection with one end, far away from the clamping part, of the first limiting piece.

The embodiment of the utility model has the following advantages: through with centre gripping subassembly slidable mounting in the installation passageway, be connected drive assembly and centre gripping subassembly transmission simultaneously to drive centre gripping subassembly through drive assembly and remove along the axis direction of installation passageway, thereby adjust the position of different ornament in the course of working, improve telescopic fixture's availability factor and to the machining efficiency of ornament.

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible and comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 illustrates a perspective, schematic structural view of a telescoping clamp according to some embodiments of the present invention;

FIG. 2 shows a cross-sectional view of section A-A of FIG. 1;

FIG. 3 shows a cross-sectional view of section B-B of FIG. 1;

FIG. 4 is a first schematic view of a first embodiment of the present invention showing a first view of a housing of a telescopic clamp;

FIG. 5 shows a cross-sectional view of section C-C of FIG. 4;

FIG. 6 is a schematic diagram illustrating a perspective view of a clamp assembly in a telescopic clamp according to some embodiments of the present invention;

FIG. 7 is a second schematic structural view illustrating a perspective view of a housing of a telescopic clamp according to some embodiments of the present invention;

FIG. 8 is a schematic diagram illustrating a perspective view of a drive assembly in a telescopic clamp according to some embodiments of the present invention;

fig. 9 is a schematic diagram illustrating a perspective view of a telescopic clamp according to further embodiments of the present invention.

Description of the main element symbols:

100-a housing; 110-mounting a channel; 111-a first channel; 112-a second channel; 113-a connection hole; 120-mounting holes; 200-a transmission assembly; 210-a first worm; 220-a second worm; 230-a turbine; 300-a clamping assembly; 310-a clamp; 311-a chute; 320-a first stop; 330-a spacing ring; 340-a clamping portion; 400-a second stop; 500-boss; 510-mounting grooves; 600-a limit structure; 700-a transmission; 800-a third stop; 900-partition plate.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the templates herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 3, an embodiment of the present invention provides a telescopic clamp, which is mainly applied to processing jewelry. The telescopic clamp includes a housing 100, a transmission assembly 200, and a clamping assembly 300. It should be noted that the housing 100 is a hollow cylindrical structure, and the lifting structure is slidably mounted inside the housing 100 and drives the clamping assembly 300 to move through the transmission assembly 200.

Wherein the housing 100 is provided with a mounting passage 110 therein. Specifically, the mounting channel 110 is a linear channel, and an axis of the mounting channel 110 coincides with an axis of the housing 100.

By slidably disposing the clamping assembly 300 within the mounting channel 110, it is understood that the clamping assembly 300 is slidable along the axis of the mounting channel 110.

Meanwhile, the transmission assembly 200 is in transmission connection with the clamping assembly 300, the transmission assembly 200 is used for driving the clamping assembly 300 to move along the axis direction of the installation channel 110, so that the clamping assembly 300 moves along the axis direction of the installation channel 110, jewelry is clamped through the clamping assembly 300, meanwhile, the transmission assembly 200 drives the clamping assembly 300 to move along the axis direction of the installation channel 110, and the jewelry is moved to a processing position, so that the accurate processing of the jewelry is improved, and the processing efficiency of the jewelry is improved.

In addition, the clamping assembly 300 includes a clamping member 310 and a first stopper 320, the clamping member 310 is a hollow pipe structure, and a limiting ring 330 is sleeved on a side wall of the clamping member 310, and an axis of the limiting ring 330 is coaxial with an axis of the clamping member 310, so as to limit the position of one end of the casing 100 close to the clamping member 310 through the limiting ring 330.

Meanwhile, a clamping part 340 is arranged at one end, far away from the shell 100, of the clamping part 310 and used for clamping the jewelry, and the clamping part 340 is driven by the transmission assembly 200 to move along the axial direction of the shell 100, so that the jewelry is moved to a processing position, and the processing efficiency of the jewelry is improved.

It should be noted that the outer diameter of the limiting ring 330 is larger than the inner diameter of the end of the mounting channel 110 close to the clamping portion 340, and the limiting ring 330 is used to form a limiting position with the housing 100, so as to improve the stability of the clamping member 310 during moving along the axial direction of the housing 100, and thus improve the stability of the jewelry on the clamping portion 340.

In some embodiments of the present invention, the clamping portion 340 includes a plurality of spaced arc-shaped plates, the distance between any two adjacent arc-shaped plates is equal, the axis of each arc-shaped plate coincides with the axis of the clamping member 310, and is connected to the inner expanding brace through the clamping portion 340, the jewelry is fixed through the inner expanding brace, the movement of the clamping member 310 drives the inner expanding brace to move, and at the same time, the jewelry fixed on the inner expanding brace is driven to move, and the jewelry is moved to a processing position, so as to improve the processing efficiency of the jewelry.

As shown in fig. 2, 5 and 7, in some embodiments of the present invention, the telescopic clamp further includes a partition 900, the partition 900 divides the installation channel 110 into a first channel 111 and a second channel 112, the partition 900 is provided with a connection hole 113, and the first channel 111 and the second channel 112 are communicated through the connection hole 113.

Specifically, the first passage 111 and the second passage 112 are both cylindrical passages, and the first passage 111, the second passage 112 and the connection hole 113 are coaxially arranged.

As shown in fig. 5-8, in some embodiments of the present invention, the transmission assembly 200 includes a first worm 210, a second worm 220, and a worm gear 230.

The worm wheel 230 is sleeved on the worm, the worm wheel 230 and the first worm 210 are coaxially arranged, one end of the first worm 210 penetrates through the connecting hole 113 to be in threaded connection with one end of the clamping piece 310, which is far away from the clamping part 340, and the clamping piece 310 is driven to move along the axial direction of the housing 100 by the rotation of the first worm 210.

In addition, one end of the first worm 210 is disposed in the first passage 111 through the connection hole 113, and the worm wheel 230 is disposed in the second passage 112.

Specifically, the inner diameter of the first channel 111 is larger than the outer diameter of the first worm 210, so that the first worm 210 is prevented from contacting the inner wall of the first channel 111 during rotation, and the stability of the first worm 210 during rotation is improved. Meanwhile, the inner diameter of the second passage 112 is larger than the outer diameter of the turbine 230, so that the turbine 230 is prevented from contacting the inner wall of the second passage 112 during the rotation process, and the stability of the turbine 230 during the rotation process is improved.

Wherein the outer diameter of the first worm 210 is smaller than the diameter of the connecting hole 113.

It should be noted that the first passage 111, the second passage 112 and the connection hole 113 are coaxially disposed to form the mounting passage 110.

It will be appreciated that the mounting groove 510 communicates with the second passage 112 to allow the second worm 220 to be externally engaged with the worm wheel 230.

In addition, the worm wheel 230 is arranged in the second channel 112, and the worm wheel 230 meshed with the second worm 220 is driven to rotate in the process of rotating the second worm 220, the worm wheel 230 drives the first worm 210 coaxially connected with the worm wheel 230 to rotate at the same time, and the first worm 210 drives the clamping piece 310 in threaded connection with the first worm 210 to move along the axial direction of the shell 100 in the process of rotating, so as to adjust the position of the clamping part 340, and thus, the position of the jewelry for processing can be adjusted.

It should be noted that, the worm wheel 230 is engaged with the second worm 220, so that the self-locking performance of the telescopic clamp is improved, and the stability of the telescopic clamp is improved.

As shown in fig. 2, 4, 5 and 6, in some embodiments of the present invention, the first stopper 320 is disposed on a side of the clamping member 310 close to the clamping portion 340.

The connection manner between the first limiting member 320 and the clamping member 310 may be any one of threaded connection, clamping connection, or adhesion, and may be specifically set according to actual situations. In some embodiments of the present invention, the first position-limiting element 320 is connected to the clamping element 310 by a screw thread for easy installation or removal.

In addition, the side wall of the clamping member 310 is further provided with a sliding groove 311, and the sliding groove 311 is located on one side of the limiting ring 330 away from the clamping portion 340.

It should be noted that the sliding slot 311 may be spiral or linear, and may be specifically set according to actual situations. In some embodiments of the present invention, the sliding slot 311 has a linear structure, and the sliding slot 311 is parallel to the axis of the housing 100.

Meanwhile, a mounting hole 120 is formed in the side wall of the housing 100, a second limiting member 400 is disposed in the mounting hole 120, and one end of the second limiting member 400 close to the clamping member is located in the sliding groove 311, so as to limit the clamping member 310 through the second limiting member 400.

Specifically, the second locating part 400 includes a ball and a fixing part, the fixing part can be installed in the installation hole 120 through a threaded connection, a clamping connection or a bonding connection, and the fixing part is arranged at intervals of the sliding groove 311. The ball is disposed in the mounting hole 120, the ball is located between the fixing member and the sliding groove 311, and the ball respectively abuts against one end of the fixing member close to the sliding groove 311 and one side of the sliding groove 311 facing the mounting hole 120, and the ball and the fixing member limit the position of the clamping member 310, so as to prevent the clamping member 310 from rotating in the mounting channel 110, and thus improve the stability of the clamping member 310 in the moving process in the mounting channel 110.

Note that the diameter of the ball is smaller than the diameter of the mounting hole 120.

In addition, the number of the mounting holes 120 may be one, two, or more than two, and may be specifically set according to actual conditions, each of the mounting holes 120 is communicated with the mounting channel 110, an axis of each of the mounting holes 120 is located on the same plane, and an axis of the mounting channel 110 and an axis of each of the mounting holes 120 are located on the same plane.

The number of the second limiting members 400 is equal to the number of the mounting holes 120.

Specifically, the first limiting member 320 is a bolt, the first limiting member 320 is installed inside the clamping member 310 in a threaded connection manner, and is limited by the first limiting member 320 and the clamping assembly 300, so as to improve the stability of the clamping member 310 in the lifting process.

Specifically, the second limiting member 400 limits the sliding groove 311 formed in the side wall of the clamping member 310, that is, the second limiting member 400 limits the clamping member 310, so that the first worm 210 is prevented from driving the clamping member 310 to rotate in the rotating process, and the stability of driving the clamping member 310 to move by the first worm 210 is improved.

As shown in fig. 2, in some embodiments of the present invention, the axis of the clamping member 310 and the axis of the mounting channel 110 coincide with the axis of the first worm 210, so that the clamping member 310 moves along the axis of the mounting channel 110 during the movement, thereby improving the stability of the clamping member 310 during the movement.

As shown in fig. 1, 3, 7 and 8, in some embodiments of the utility model, the side wall of the housing 100 is provided with a plurality of spaced bosses 500.

It should be noted that the number of the bosses 500 may be any number greater than the number two, and may be specifically set according to actual situations.

In some embodiments of the present invention, the number of the bosses 500 is three, three bosses 500 are uniformly arranged on the side walls of the housing 100, and a mounting groove 510 is arranged on the side wall of one of the bosses 500, the mounting groove 510 communicates with the mounting channel 110 near one side of the mounting channel 110, and the second worm 220 is arranged in the mounting groove 510 for engaging the second worm 220 with the outside of the worm wheel 230, and the axis of the second worm 220 is perpendicular to the axis of the worm wheel 230.

It can be understood that the side wall of the second worm 220 has a gap with the inner wall of the mounting groove 510, so that the second worm 220 has stability and fluency during the rotation process.

In order to improve the stability of the second worm 220 in the mounting groove 510, a worm gasket and a worm snap spring are provided at the notch of the mounting groove 510. Wherein, the worm gasket cover is established and is close to second worm 220 the one end of the notch of mounting groove 510, just the worm jump ring sets up the worm gasket is kept away from one side of second worm 220 to fix second worm 220 through the worm jump ring in mounting groove 510, avoid second worm 220 to drop from the mounting groove 510. Meanwhile, the second worm 220 is supported by the worm gasket, so that the central axis of the second worm 220 is prevented from being deviated in the rotating process, and the stability of the second worm 220 in the rotating process is improved.

Wherein, one side of the worm wheel 230 far away from the first worm 210 is provided with a limiting structure 600, the limiting structure 600 comprises a worm wheel gasket and a worm wheel snap spring, the worm wheel gasket is sleeved at one end of the first worm wheel 230 near the worm wheel 230, the worm wheel snap spring is arranged at one side of the worm wheel gasket far away from the worm wheel 230, the limiting structure 600 limits the worm wheel 230 and the first worm 210, and the stability of the worm wheel 230 and the first worm 210 in the installation channel 110 is improved.

As shown in fig. 9, in other embodiments of the present invention, the first limiting member 320 is disposed at an end of the clamping member 310 away from the clamping portion 340, and the first limiting member 320 and the clamping portion 340 are disposed coaxially.

It should be noted that the first limiting member 320 may be installed at one end of the clamping member 310 by any one of a threaded connection, a clamping connection, or a welding connection.

In some embodiments of the present invention, the first position-limiting member 320 is a bolt.

As shown in fig. 9, in some embodiments of the present invention, the transmission assembly 200 includes a transmission member 700 and a third limiting member 800, the third limiting member 800 is located at a side of the transmission member 700 away from the first limiting member 320, and the third limiting member 800 is installed on an inner wall of the casing 100 and limits the transmission member 700 through the third limiting member 800, so as to prevent the transmission member 700 from falling out of the casing 100, so as to improve stability of the transmission member 700 in the casing 100.

Specifically, third locating part 800 is the worm jump ring, the worm jump ring is installed through the mode of joint in the casing 100, just the worm jump ring with driving medium 700 keeps away from one side of holder 310 is inconsistent, and fixes driving medium 700 in the casing 100, improves the stability of driving medium 700 in the casing.

It should be noted that the transmission member 700 is a hollow rod-shaped structure, and the inner wall of the transmission member 700 is provided with a screw thread, and the transmission member 700 is in threaded connection with one end of the first limiting member 320 far away from the clamping portion 340, and drives the first limiting member 320 to move along the axial direction of the transmission member 700 in the process of rotating the transmission member 700.

In addition, in some embodiments of the present invention, the side wall of the clamping member 310 is further provided with scales, so that during the movement of the clamping member 310 along the axial direction of the housing 100, a user can read the actual distance of the extension or contraction of the clamping member 310 by observing the scales arranged on the side wall of the clamping member 310, so as to improve the accuracy of the position adjustment of the clamping portion 340, and thus improve the accuracy of the processing position adjustment of the jewelry.

In all examples shown and described herein, any particular value should be construed as merely exemplary, and not as a limitation, and thus other examples of example embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above examples are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. A telescopic clamp is characterized by comprising a shell, a transmission assembly and a clamping assembly;

2. The telescopic clamp of claim 1, further comprising a partition plate, wherein the partition plate divides the installation channel into a first channel and a second channel, the partition plate is provided with a connecting hole, and the first channel and the second channel are communicated through the connecting hole.

3. The telescopic clamp of claim 2, wherein the drive assembly includes a first worm, a second worm, and a worm gear;

the second worm is externally meshed with the turbine.

4. The telescopic clamp of claim 3, wherein the side wall of the housing is provided with a plurality of spaced bosses, wherein the side wall of one of the bosses is provided with a mounting groove;

5. The telescopic clamp of claim 3, wherein the axis of the clamp, the axis of the mounting channel and the axis of the first worm coincide.

6. The telescopic clamp of claim 3, wherein a limiting structure is arranged in the second channel, and the limiting structure is positioned on one side of the worm wheel, which is far away from the first worm.

7. The telescopic clamp according to any one of claims 1 to 6, wherein the first limiting member is disposed on a side of the clamping member close to the clamping portion, a sliding groove is further disposed on a side wall of the clamping member, and the sliding groove is located on a side of the limiting ring away from the clamping portion.

8. The telescopic clamp of claim 7, wherein the side wall of the housing is provided with a mounting hole, and a second limiting member is disposed in the mounting hole, and one end of the second limiting member, which is close to the clamping member, is located in the sliding groove.

9. The telescopic clamp of claim 2, wherein the first limiting member is disposed at an end of the clamping member away from the clamping portion, and the first limiting member is disposed coaxially with the clamping portion.

10. The telescopic clamp of claim 9, wherein the transmission assembly includes a transmission member and a third limiting member, the third limiting member being located on a side of the transmission member away from the first limiting member;