CN214589605U

CN214589605U - Structure of double-torsion spring installed conductive slip ring

Info

Publication number: CN214589605U
Application number: CN202120935264.1U
Authority: CN
Inventors: 范守东; 谢胜林
Original assignee: Yulin Fushan Hydraulic Components Manufacturing Co ltd
Current assignee: Yulin Fushan Hydraulic Components Manufacturing Co ltd
Priority date: 2021-05-04
Filing date: 2021-05-04
Publication date: 2021-11-02
Anticipated expiration: 2031-05-04

Abstract

The utility model discloses a structure of slip ring is led in two torsional spring installations, the characteristic is that the effective number of turns of the first spring body is the round, first spring arm is circular-arc and tip is hook-like, second spring arm is the linearity and the tip is hook-like, the effective number of turns of the second spring body is the round, third spring arm is circular-arc and tip is hook-like, fourth spring arm is linearity and tip is hook-like, the arm bridge is as an organic whole with first torsional spring and second torsional spring connection at second spring arm tip and fourth spring arm tip, first torsional spring and second torsional spring shape are the same and for the normal direction plane symmetry through the arm bridge mid point. The first spring arm and the third spring arm of the double-torsion spring are directly hooked and pasted on the stand column, the first spring body and the second spring body of the double-torsion spring are circumferentially pressed and pasted on the stand column, and the electric brush is clamped between the second spring arm and the fourth spring arm and is pressed on the slip ring through the arm bridge. The double-torsion spring not only provides compression elasticity for the electric brush, but also provides a clamping mechanism for the electric brush, has simple structure, and can automatically compensate the contact force between the electric brush and the slip ring after the electric brush is worn.

Description

Structure of double-torsion spring installed conductive slip ring

Technical Field

The utility model relates to a lead the electrical slip ring field, especially relate to a structure of two torsional spring installation conductive slip rings.

Background

1. In a known conductive slip ring, a brush is a linear elastic body, and is attached to a brush holding mechanism, and contacts with a slip ring by using the elastic force of the brush itself, and when the brush is worn, the contact force between the brush and the slip ring is greatly reduced or even disappears.

2. In the known conductive slip ring, the electric brush is in a block shape, the spring is in a spiral column shape, and the electric brush and the spring both need a clamping mechanism and have complex structures.

Reference 1, application No.: CN201810978205, invention name: a magnetic energy double-sided engine slip ring conductive composite copper wire is characterized in that a fixed rod, a pressure plate, a threaded plug, a connecting block and a connecting rod are arranged, the fixed rod is rotated, so that the threaded plug rotates and moves downwards, the fixed rod drives the connecting block to move downwards through the rolling bearing, the connecting rod moves downwards, the connecting rod pushes the pressing plate to rotate around the pin shaft through the ball pin, the torsion spring returns to a normal state, the pressing plate is enabled to tightly press the copper wire brush, the composite copper wire in the copper wire brush is prevented from being separated from the conductive slip ring under the extrusion of the conductive slip ring, the effect of not influencing the normal conduction of the composite copper wire is achieved, the problem that when the slip ring conductive composite copper wire of the magnetic energy double-sided engine is used is solved, because the rotor drives the conductive slip ring to rotate, the conductive slip ring can extrude the composite copper wire, so that the problem that the conductive effect of the composite copper wire is influenced due to the hidden danger that part of the composite copper wire is separated from the conductive slip ring exists. Reference 2, application No.: CN201921466758, invention name: a rotary conducting ring comprises a brush holder, a brush block and a connecting wire, wherein mounting assemblies are arranged on two sides of the end part of the brush holder and comprise an elastic part, a connecting arm and a mounting hole, one end of the connecting arm is pivoted on the brush holder, and the other end of the connecting arm is formed into a connecting end; the elastic component is arranged on the electric brush frame and is used for providing elastic stress for enabling the connecting end to move towards the position close to the mounting hole; the electric brush block is movably connected in the mounting hole in a penetrating way; one end of the electric brush block extends out of one end of the mounting hole and is detachably fixed with the connecting end; the other end of the electric brush block extends out of the other end of the mounting hole and forms an electric contact end; the connecting lead is electrically connected with the electric brush block. The structural features of the comparison documents 1 and 2 are different from those of the present disclosure.

Disclosure of Invention

The utility model aims to provide a be not enough to prior art scheme, the utility model aims to provide a simple structure, can the automatic compensation brush and the two torsional springs of sliding ring contact force and possess its conductive slip ring after the brush wearing and tearing.

The utility model adopts the technical proposal that: a structure for installing a conductive slip ring by using a double-torsion spring comprises an arm bridge, a vertical column, an electric brush, a slip ring, a first torsion spring, a first spring body, a first spring arm, a second torsion spring, a second spring body, a third spring arm, a fourth spring arm, a double-torsion spring and a conductive slip ring, and is characterized in that a first torsion spring 10 and a first spring arm 12 are arranged outside the first spring body 11, a second spring arm 13 and a double-torsion spring 100 are arranged at the other end of the first spring body 11, a second torsion spring 20 and a third spring arm 22 are arranged on one side of the first spring arm 12, the second spring arm 13 and the fourth spring arm 23 are connected into a whole to form a suspension between the first spring body 11 and the second spring body 21, a suspension between the second spring arm 13 and the fourth spring arm 23, a suspension between the first torsion spring 10 and the second torsion spring 20, a suspension between the first spring arm 12 and the third spring arm 22, the first spring body 11 is effectively in a circle, the end part of the first spring arm 12 is in an arc shape, the shape of a hook, and the end part of the second spring arm 13 is in a straight line shape, the effective number of turns of the second spring body 21 is one, the third spring arm 22 is arc-shaped and has a hook-shaped end, the fourth spring arm 23 is linear and has a hook-shaped end, the arm bridge 1 integrally connects the first torsion spring 10 and the second torsion spring 20 at the end of the second spring arm 13 and the end of the fourth spring arm 23, and the first torsion spring 10 and the second torsion spring 20 have the same shape and are symmetrical with respect to a normal plane passing through the midpoint of the arm bridge 1.

The first spring arm 12 and the third spring arm 22 of the double torsion spring 100 are directly hooked on the upright post 2, the first spring body 11 and the second spring body 21 of the double torsion spring 100 are circumferentially pressed on the upright post 2, and the brush 3 is clamped between the second spring arm 13 and the fourth spring arm 23 and is pressed on the slip ring 4 through the arm bridge 1.

The material of the upright post 2 is insulating material.

A double torsion spring 100 is arranged between the upright post 2 and the brush 3, and the brush 3 is arranged on the slip ring 4.

The brush 3 is mounted on the conductive slip ring 200.

The first spring arm 12, the first torsion spring 10, the first spring body 11 and the second spring arm 13 are integrally connected.

The third spring arm 22, the second torsion spring 20, the second spring body 21 and the fourth spring arm 23 are connected into a whole.

The second spring arm 13 and the fourth spring arm 23 are connected through the arm bridge 1 to form a double torsion spring 100.

The utility model has the advantages that: after the electric brush is worn, the double torsion springs can automatically compensate the contact force between the electric brush and the slip ring, so that the electric brush can always keep good contact. The double-torsion spring not only provides the pressing elasticity for the electric brush, but also provides a clamping mechanism for the electric brush, and the structure is simple.

Drawings

Fig. 1 is a schematic perspective view of the double torsion spring of the present invention.

Fig. 2 is a schematic front view of the conductive slip ring assembly of the present invention.

Reference numerals: the electric brush comprises an arm bridge 1, a stand column 2, a brush 3, a slip ring 4, a first torsion spring 10, a first spring body 11, a first spring arm 12, a second spring arm 13, a second torsion spring 20, a second spring body 21, a third spring arm 22, a fourth spring arm 23, a double torsion spring 100 and a conductive slip ring 200.

Detailed Description

The present invention will be further described with reference to the accompanying drawings, but the scope of the present invention is not limited to the following embodiments.

As shown in fig. 1-2, the double torsion spring 100 of the present invention is used in a conductive slip ring 200, and includes a first torsion spring 10, a second torsion spring 20, and an arm bridge 1.

As shown in fig. 1, the first torsion spring 10 includes a first spring body 11, a first spring arm 12, and a second spring arm 13, and the second torsion spring 20 includes a second spring body 21, a third spring arm 22, and a fourth spring arm 23.

As shown in fig. 2, the conductive slip ring 200 includes a shaft 2, a brush 3, a slip ring 4, and a double torsion spring 100.

As shown in fig. 1, the first spring body 11 has one effective turn, the first spring arm 12 has an arc shape and a hook-shaped end, the second spring arm 13 has a straight line shape and a hook-shaped end, the second spring body 21 has one effective turn, the third spring arm 22 has an arc shape and a hook-shaped end, the fourth spring arm 23 has a straight line shape and a hook-shaped end, the first torsion spring 10 and the second torsion spring 20 are integrally connected to each other at the end of the second spring arm 13 and the end of the fourth spring arm 23 in the arm bridge 1, and the first torsion spring 10 and the second torsion spring 20 have the same shape and are symmetrical with respect to a normal plane passing through the midpoint of the arm bridge 1.

As shown in fig. 1 and 2, the first spring arm 12 and the third spring arm 22 of the double torsion spring 100 are directly hooked on the column 2, the first spring body 11 and the second spring body 21 of the double torsion spring 100 are circumferentially pressed on the column 2, the brush 3 is clamped between the second spring arm 13 and the fourth spring arm 23 and is pressed on the slip ring 4 through the arm bridge 1, and the double torsion spring 100 can automatically compensate the contact force between the brush 3 and the slip ring 4 after the brush 3 is worn.

The first spring body 11 is in a circular ring shape, one side of the first spring body is provided with a first torsion spring 10 and a first spring arm 12, and the other side of the first spring body 11 is provided with a second spring arm 13. The second spring body 21 is in a circular ring shape, one side of the second spring body is provided with a second torsion spring 20 and a third spring arm 22, the other side of the second spring body 21 is provided with a fourth spring arm 23, the end of the first spring arm 12 is in an inner hook shape, the end of the third spring arm 22 is in an inner hook shape, the end of the second spring arm 13 and the end of the fourth spring arm 23 are provided with a connecting arm bridge 1, and the first torsion spring 10, the first spring arm 12, the first spring body 11, the second spring arm 13, the second spring body 21, the second torsion spring 20, the third spring arm 22 and the fourth spring arm 23 are connected to form a double torsion spring 100. The first spring body 11 and the second spring body 21 are suspended and not in direct contact.

The conductive slip ring 200 may include a plurality of columns 2, and a plurality of double torsion springs 100 may be mounted on each column 2.

The conductive slip ring 200 described above may include a plurality of brushes 3.

The conductive slip ring 200 described above may include a plurality of slip rings 4.

Claims

1. A structure for installing a conductive slip ring by using a double-torsion spring comprises an arm bridge, a vertical column, an electric brush, a slip ring, a first torsion spring, a first spring body, a first spring arm, a second torsion spring, a second spring body, a third spring arm, a fourth spring arm, a double-torsion spring and a conductive slip ring, and is characterized in that the first torsion spring (10) and the first spring arm (12) are arranged on the outer side of the first spring body (11), the second spring arm (13) and the double-torsion spring (100) are arranged at the other end of the first spring body (11), the second torsion spring (20) and the third spring arm (22) are arranged on one side of the first spring arm (12), the second spring arm (13) and the fourth spring arm (23) are connected into a whole to form a suspension between the first spring body (11) and the second spring body (21), the second spring arm (13) and the fourth spring arm (23) are suspended, the first torsion spring arm (10) and the second torsion spring (20) are suspended, and the first spring arm (12) and the third spring arm (22) are suspended, the effective turns of the first spring body (11) are one turn, the first spring arm (12) is arc-shaped and hook-shaped at the end, the second spring arm (13) is linear and hook-shaped at the end, the effective turns of the second spring body (21) are one turn, the third spring arm (22) is arc-shaped and hook-shaped at the end, the fourth spring arm (23) is linear and hook-shaped at the end, the first torsion spring (10) and the second torsion spring (20) are connected into a whole at the end of the second spring arm (13) and the end of the fourth spring arm (23) by the arm bridge (1), and the first torsion spring (10) and the second torsion spring (20) are completely identical in shape and are symmetrical relative to a normal plane passing through the midpoint of the arm bridge (1).

2. The structure of a double torsion spring mounted conductive slip ring according to claim 1, wherein the first spring arm (12) and the third spring arm (22) of the double torsion spring (100) are directly hooked on the upright post (2), the first spring body (11) and the second spring body (21) of the double torsion spring (100) are circumferentially pressed on the upright post (2), and the electric brush (3) is clamped between the second spring arm (13) and the fourth spring arm (23) and pressed on the slip ring (4) through the arm bridge (1).

3. A double torsion spring mounted conducting slip ring structure according to claim 1 or 2, characterized in that the material of the post (2) is insulating material.

4. A double torsion spring mounted conducting slip ring structure according to claim 1, characterized in that a double torsion spring (100) is mounted between the post (2) and the brush (3), the brush (3) being mounted on the slip ring (4).

5. A double torsion spring mounted conducting slip ring structure according to claim 1, characterized in that the brush (3) is mounted on the conducting slip ring (200).

6. The structure of a double torsion spring mounted conductive slip ring according to claim 1, wherein the first spring arm (12), the first torsion spring (10), the first spring body (11) and the second spring arm (13) are connected into a whole.

7. The structure of a double torsion spring mounted conductive slip ring according to claim 1, wherein the third spring arm (22), the second torsion spring (20), the second spring body (21) and the fourth spring arm (23) are connected into a whole.

8. A double torsion spring mounting slip ring structure according to claim 1, wherein the second spring arm (13) and the fourth spring arm (23) are connected through the arm bridge (1) to form a double torsion spring (100).