CN211940766U

CN211940766U - Brush spring clamping device

Info

Publication number: CN211940766U
Application number: CN202020557087.3U
Authority: CN
Inventors: 郝乙
Original assignee: Shaanxi Yilihua Spring Manufacture Co ltd
Current assignee: Xi'an yilihua Spring Technology Co.,Ltd.
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-11-17
Anticipated expiration: 2030-04-15

Abstract

The utility model relates to the technical field of tools, and discloses a brush spring clamping device, which comprises a protection box with an open upper end and a clamping tool, wherein the clamping tool is arranged in the protection box, and the clamping tool is connected with the protection box through a dustproof protection mechanism; dustproof protection mechanism includes shield, balancing weight, backup pad, roof, two-way threaded rod, two nuts and two transfer lines, and the shield passes through the hinge and articulates at the box mouth of protection box, and backup pad fixed connection is at the lower extreme of clamping frock, and the both ends of two-way threaded rod are passed through the bearing and are rotated the connection and be close to the interior box wall of box bottom one end position at the protection box, and two nut symmetry threaded connection are on the pole wall of two-way threaded rod, and two transfer lines symmetry articulate the lower extreme at the backup pad. The utility model discloses when the clamping frock does not use, receive the clamping frock in the protection box, protect the clamping frock when preventing that the dust adhesion is on the clamping frock.

Description

Brush spring clamping device

Technical Field

The utility model relates to a frock technical field especially relates to an electric brush spring clamping device.

Background

The brush spring, also known as a flat spiral spring, is a main component of a micro-motor and directly determines the performance of the motor. The existing spring clamping tool is relatively complex in structure, and can be completed normally only by the cooperation of two persons when clamping a spring, namely one person opens the spring with both hands in opposite directions, and the other person assembles a U-shaped limiting and connecting plate.

The spring clamping tool is disclosed by a retrieval publication (announcement) No. CN203752056U, when the tool is used, only one end of a spring sleeve is limited by a limiting support rod, the other end of the spring sleeve is tightly propped against a spring on a workpiece, the spring on the workpiece can be staggered, twisted and fixed, and then the U-shaped support and the connecting plate are assembled; the proposal still has the following technical defects:

when the clamping tool is not used, the clamping tool is directly exposed in the outside air, the surface of the clamping tool is easily contaminated by dust, the clamping tool is not easy to clean, and meanwhile, the clamping tool lacks a protection effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art when the clamping frock does not use, the clamping frock directly exposes in the outside air, and the surface is infected with the dust easily, is difficult for clearing up, to its problem that lacks the protection effect simultaneously, and a brush spring clamping device that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a clamping device for an electric brush spring comprises a protection box with an opening at the upper end and a clamping tool, wherein the clamping tool is arranged in the protection box, and the clamping tool is connected with the protection box through a dustproof protection mechanism;

the dustproof protection mechanism comprises a dustproof cover, a balancing weight, a supporting plate, a top plate, a bidirectional threaded rod, two nuts and two transmission rods, the dustproof cover is hinged at the box opening of the protection box through a hinge, the support plate is fixedly connected at the lower end of the clamping tool, two ends of the bidirectional threaded rod are rotatably connected to the inner box wall at the position, close to the box bottom, of the protection box through bearings, the two nuts are symmetrically and threadedly connected to the rod wall of the bidirectional threaded rod, the two transmission rods are symmetrically hinged to the lower end of the support plate, the other ends of the two transmission rods are respectively hinged to the upper ends of the two nuts, one end of the top plate is fixedly connected with the upper end of the position, close to one end of the hinge, of the supporting plate, the other end of the top plate is arranged at the lower end of the dustproof cover, the balancing weight is fixedly connected with the lower end of the dustproof cover, and the balancing weight is far away from the hinge arrangement, two the common fixedly connected with spacing subassembly of lower extreme of nut.

Preferably, the two ends of the supporting plate are symmetrically and fixedly connected with sliding blocks, sliding grooves matched with the sliding blocks are symmetrically formed in the inner box wall of the protection box along the vertical direction, and the sliding blocks are connected in the corresponding sliding grooves in a sliding mode.

Preferably, spacing subassembly includes gag lever post and two spacing rings, two the lower extreme at two nuts is fixed connection respectively to the spacing ring, gag lever post fixed connection is on the interior box wall of protection box, two gag lever post sliding connection is on the pole wall of gag lever post, just gag lever post and two-way threaded rod parallel arrangement.

Preferably, one end of the bidirectional threaded rod is fixedly connected with a rotating disc, and the annular side wall of the rotating disc is provided with anti-skidding threads.

Preferably, a rolling groove is formed in one end, away from the supporting plate, of the sliding block, rolling balls are arranged in the rolling groove, one end, away from the bottom of the rolling groove, of each ball penetrates through a notch of the corresponding rolling groove, and the balls are connected to the bottom of the sliding groove in a rolling mode.

Preferably, the ball has a ball diameter larger than a groove diameter of the rolling groove opening.

Compared with the prior art, the utility model provides an electric brush spring clamping device possesses following beneficial effect:

this brush spring clamping device constitutes a dustproof protection mechanism through setting up protection box, clamping frock, shield, backup pad, roof, two-way threaded rod, nut, transfer line and counterweight block, when needs use the clamping frock, releases the protection box with the clamping frock, when the clamping frock does not use, in the protection box was taken in to the clamping frock, shield automatic cover protected the box mouth of box, prevented that the dust adhesion protected the clamping frock when on the clamping frock.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses when the clamping frock does not use, receive the clamping frock in the protection box, protect the clamping frock when preventing that the dust adhesion is on the clamping frock.

Drawings

Fig. 1 is the utility model provides a structural schematic diagram of brush spring clamping device.

Fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: the device comprises a protection box 1, a clamping tool 2, a dust cover 3, a supporting plate 4, a top plate 5, a bidirectional threaded rod 6, a nut 7, a transmission rod 8, a sliding block 9, a sliding groove 10, a limiting rod 11, a limiting ring 12, a rolling groove 13, a ball 14 and a balancing weight 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, an electric brush spring clamping device includes a protection box 1 with an opening at the upper end and a clamping tool 2 (the clamping tool is the prior art, and not described herein), the clamping tool 2 is disposed in the protection box 1, and the clamping tool 2 is connected with the protection box 1 through a dustproof protection mechanism; the dustproof protection mechanism comprises a dustproof cover 3, a balancing weight 15, a support plate 4, a top plate 5, a two-way threaded rod 6, two nuts 7 and two transmission rods 8, wherein the dustproof cover 3 is hinged at the box opening of the protection box 1 through a hinge, the maximum rotation angle of the hinge is 90 degrees, the support plate 4 is fixedly connected at the lower end of the clamping tool 2, two ends of the two-way threaded rod 6 are rotatably connected on the inner box wall of the protection box 1 close to one end of the box bottom through bearings, the two nuts 7 are symmetrically and threadedly connected on the rod walls of the two-way threaded rod 6, the two transmission rods 8 are symmetrically hinged at the lower end of the support plate 4, the other ends of the two transmission rods 8 are respectively hinged with the upper ends of the two nuts 7, one end of the top plate 5 is fixedly connected at the upper end of the support plate 4 close to one end of, and the counterweight 15 is far away from the hinge, the lower ends of the two nuts 7 are fixedly connected with a limiting component together, when the clamping tool 2 needs to be used, a rotating force is applied to the two-way threaded rod 6, the two nuts 7 move on the two-way threaded rod 6 in corresponding directions along with the rotation of the two-way threaded rod 6 through the limiting of the limiting component, the two nuts 7 move in opposite directions, the support plate 4 is driven to move upwards through the two hinged transmission rods 8, the support plate 4 drives the clamping tool 2 and the top plate 5 to move upwards simultaneously when moving upwards, the dustproof cover 3 is pushed open from the box opening of the protection box 1 when the top plate 5 moves, the dustproof cover 3 rotates upwards by 90 degrees along with the hinge, and the support plate 4 pushes the clamping tool 2 out of the protection box 1, when the clamping tool 2 is not used, the two-way threaded rod 6 rotates reversely, and the clamping tool 2 is, under the action of gravity of the balancing weight 15, the dustproof cover 3 automatically covers the box opening of the protection box 1, so that the clamping tool 2 is protected while dust is prevented from being adhered to the clamping tool 2.

The both ends symmetry fixedly connected with slider 9 of backup pad 4, along vertical direction symmetry on the interior box wall of protection box 1 offer with slider 9 assorted spout 10, slider 9 sliding connection is in the spout 10 that corresponds, drives slider 9 synchronous motion in spout 10 during backup pad 4 moves, and is spacing to the movement track of backup pad 4, prevents that backup pad 4 from breaking away from in protection box 1.

Spacing subassembly includes gag lever post 11 and two spacing rings 12, two spacing rings 12 fixed connection are respectively at the lower extreme of two nuts 7, gag lever post 11 fixed connection is on the interior box wall of protection box 1, two spacing rings 12 sliding connection are on the pole wall of gag lever post 11, and

gag lever post

11 and 6 parallel arrangement of two-way threaded rod, because gag lever post 12 can only slide on gag lever post 11, and then carry on spacingly to the nut 7 direction of motion that spacing rings 12 is connected, prevent that it from taking place to rotate along with the rotation of two-way threaded rod 6.

One end of the bidirectional threaded rod 6 is fixedly connected with a rotating disc, the annular side wall of the rotating disc is provided with anti-slip threads, and the rotating handle is held to drive the bidirectional threaded rod 6 to rotate.

The rolling groove 13 is formed in one end, far away from the supporting plate 4, of the sliding block 9, the rolling ball 14 is arranged in the rolling groove 13, one end, far away from the bottom of the rolling groove 13, of the rolling ball 14 penetrates through a notch of the rolling groove 13, the rolling ball 14 is connected to the bottom of the sliding groove 10 in a rolling mode, when the sliding block 9 moves in the sliding groove 10, the rolling ball 14 in the rolling groove 13 is driven to roll at the bottom of the sliding groove 10, and friction resistance of the sliding block 9 during movement in the sliding groove 10 is reduced.

The ball 14 has a larger spherical diameter than the groove diameter of the notch of the rolling groove 13, preventing the ball 14 from slipping out of the rolling groove 13.

In the utility model, when the clamping tool 2 is needed to be used, a rotating force is applied to the two-way threaded rod 6, the two nuts 7 move in corresponding directions on the two-way threaded rod 6 along with the rotation of the two-way threaded rod 6 through the limit of the limit component, so that the two nuts 7 move in opposite directions, the support plate 4 is driven to move upwards through the two hinged transmission rods 8, the clamping tool 2 and the top plate 5 are driven to move upwards simultaneously when the support plate 4 moves upwards, the dust cover 3 is ejected from the box opening of the protection box 1 when the top plate 5 moves, the dust cover 3 rotates upwards for 90 degrees along with the hinge, so that the support plate 4 pushes the clamping tool 2 out of the protection box 1, when the tool 2 is not used, the two-way threaded rod 6 is rotated reversely, the clamping tool 2 is taken in the protection box 1, under the gravity action of the balancing weight 15, the dust cover 3 automatically covers the box opening of the, the clamping tool 2 is protected while dust is prevented from adhering to the clamping tool 2.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A clamping device for an electric brush spring comprises a protection box (1) with an opening at the upper end and a clamping tool (2), wherein the clamping tool (2) is arranged in the protection box (1), and is characterized in that the clamping tool (2) is connected with the protection box (1) through a dustproof protection mechanism; the dustproof protection mechanism comprises a dustproof cover (3), a balancing weight (15), a support plate (4), a top plate (5), a two-way threaded rod (6), two nuts (7) and two transmission rods (8), wherein the dustproof cover (3) is hinged to a box opening of the protection box (1) through a hinge, the support plate (4) is fixedly connected to the lower end of the clamping tool (2), two ends of the two-way threaded rod (6) are rotatably connected to an inner box wall of the protection box (1) close to one end of the box bottom through bearings, the two nuts (7) are symmetrically and threadedly connected to a rod wall of the two-way threaded rod (6), the two transmission rods (8) are symmetrically hinged to the lower end of the support plate (4), the other ends of the two transmission rods (8) are respectively hinged to the upper ends of the two nuts (7), one end of the top plate (5) is fixedly connected to the upper end, close to one end, the other end of roof (5) sets up the lower extreme at shield (3), balancing weight (15) fixed connection is at the lower extreme of shield (3), and balancing weight (15) keep away from the hinge setting, two the common fixedly connected with of lower extreme of nut (7) is spacing subassembly.

2. The electric brush spring clamping device according to claim 1, wherein the two ends of the supporting plate (4) are symmetrically and fixedly connected with sliding blocks (9), sliding grooves (10) matched with the sliding blocks (9) are symmetrically formed in the inner box wall of the protection box (1) along the vertical direction, and the sliding blocks (9) are slidably connected in the corresponding sliding grooves (10).

3. The electric brush spring clamping device according to claim 1, wherein the limiting assembly comprises a limiting rod (11) and two limiting rings (12), the two limiting rings (12) are respectively and fixedly connected to the lower ends of the two nuts (7), the limiting rod (11) is fixedly connected to the inner box wall of the protection box (1), the two limiting rings (12) are slidably connected to the rod wall of the limiting rod (11), and the limiting rod (11) is arranged in parallel with the bidirectional threaded rod (6).

4. The brush spring clamping device according to claim 1, wherein a rotating disc is fixedly connected to one end of the bidirectional threaded rod (6), and the annular side wall of the rotating disc is provided with anti-skid grains.

5. The brush spring clamping device according to claim 2, wherein a rolling groove (13) is formed in one end, away from the support plate (4), of the sliding block (9), a rolling ball (14) is arranged in the rolling groove (13), one end, away from the bottom of the rolling groove (13), of the rolling ball (14) is arranged through a notch of the rolling groove (13), and the rolling ball (14) is connected to the bottom of the sliding groove (10) in a rolling manner.

6. A brush spring clamping device according to claim 5, characterized in that the ball diameter of the ball (14) is larger than the groove diameter of the groove opening of the rolling groove (13).