CN219914706U

CN219914706U - Pressing force detection device for spring contact finger

Info

Publication number: CN219914706U
Application number: CN202322547673.6U
Authority: CN
Inventors: 苏英凯
Original assignee: Shenyang Hedi Power Equipment Co ltd
Current assignee: Shenyang Hedi Power Equipment Co ltd
Priority date: 2023-09-20
Filing date: 2023-09-20
Publication date: 2023-10-27
Anticipated expiration: 2033-09-20

Abstract

The utility model relates to the technical field of detection, and discloses a compression force detection device for spring contact fingers, which comprises a case and a case cover, wherein a center block is fixedly arranged at the center of the lower side of the case cover, a strip-shaped groove is formed in the case cover, the strip-shaped groove is uniformly distributed in a circumference manner by taking the center block as the center, a guide rod is arranged below the strip-shaped groove, one end of the guide rod is fixedly provided with a supporting seat, the upper end of the supporting seat is fixedly assembled with the case cover, the other end of the guide rod is fixedly assembled with the center block, and the guide rod is slidably provided with a guide sleeve; one end of a supporting rod is fixedly arranged on the upper side of the guide sleeve, a profiling block is arranged on the other end of the supporting rod through a connecting structure, and the profiling blocks are combined into a profiling sleeve with a variable outer diameter; the center of the bottom of the inner side of the case is fixedly provided with a pressure sensor, and a transmission assembly is arranged between the upper side of the pressure sensor and the guide sleeve. The utility model can meet the detection requirements of spring contact fingers with different sizes through one device, and has flexible application.

Description

Pressing force detection device for spring contact finger

Technical Field

The utility model relates to the technical field of detection, in particular to a pressing force detection device for a spring contact finger.

Background

When the spring contact fingers are produced, the pressing force of each batch of spring contact fingers needs to be detected so as to ensure the production quality and meet the design standard; or when devices such as a switch and a connector with spring contact fingers are overhauled and maintained, the spring contact fingers with smaller pressing force need to be detected and replaced, so that the hidden danger of poor contact caused by insufficient pressing force is avoided.

The currently used compression force detection device is usually used for detecting the compression force of the spring contact finger through fixing bodies with different diameters, and at least one pressure sensor is arranged on the side surface of the fixing body; for spring contact fingers with different sizes, a plurality of pressing force detection devices which are matched with the inner diameters of the spring contact fingers are needed to be prepared, the equipment configuration amount is large, and the use is not flexible.

In order to solve the above problems, we propose a pressing force detection device for spring contact fingers.

Disclosure of Invention

The utility model aims to provide a pressing force detection device for spring contact fingers, which can detect the pressing force of spring contact fingers with different sizes through the same device so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a clamp force detection device for spring contact finger, includes quick-witted case and case lid, the case lid is installed at the top of machine case, the downside center department fixed mounting of case lid has the center piece, the bar groove has been seted up to the case lid, the bar groove takes the center piece to be circumference evenly distributed as the center, the below of bar groove is provided with the guide bar, the one end of guide bar is all fixed mounting has the supporting seat, the upper end of supporting seat all with case lid fixed mounting, the other end of guide bar all with center piece fixed mounting, guide bar all slidable mounting has the uide bushing; one end of a supporting rod is fixedly arranged on the upper side of each guide sleeve, a profiling block is arranged on the other end of each supporting rod through a connecting structure, the profiling blocks are combined into a profiling sleeve with a variable outer diameter, the supporting rods are positioned in corresponding strip-shaped grooves, and the profiling blocks are positioned above the corresponding strip-shaped grooves; the pressure sensor is fixedly arranged at the center of the bottom of the inner side of the case, and a transmission assembly is arranged between the upper side of the pressure sensor and the guide sleeve.

Further, the transmission assembly comprises a transmission rod and a supporting block, the supporting block is arranged on the upper side of the pressure sensor and is a cylinder, one end of the transmission rod is installed on the lower side of the guide sleeve through rotation of the rotating joint, and the other end of the transmission rod is installed on the circumference side of the supporting block through rotation of the rotating joint.

Further, the number of the profiling blocks is 3 to 6.

Further, one side of the profiling block, which is far away from the center block, is provided with an arc-shaped concave surface.

Further, the connection structure comprises a rectangular rod and a rectangular groove, the rectangular rod is arranged at the upper end of the supporting rod, the rectangular groove is formed in the bottom of the profiling block, and the rectangular rod and the rectangular groove are assembled in a plugging mode.

Further, a controller is fixedly arranged on one side of the case.

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

by changing profiling blocks with different sizes, a profiling sleeve matched with spring contact fingers with different sizes can be formed, one device can meet the detection requirements of the spring contact fingers with different sizes, and the application is flexible;

the force applied by the spring contact finger on the profiling sleeve is transmitted to the same pressure sensor after being transmitted, and the obtained pressing force value is more accurate.

Drawings

FIG. 1 is a schematic front view of the structure of the present utility model;

FIG. 2 is a schematic partial cross-sectional view of the transmission assembly of the present utility model;

FIG. 3 is a schematic top view of the structure of the present utility model;

FIG. 4 is a schematic cross-sectional view of the structure at a rectangular bar of the present utility model;

fig. 5 is a schematic left side view of the structure of the support base of the present utility model.

In the figure: the intelligent control device comprises a case 1, a pressure sensor 2, a supporting block 3, a transmission rod 4, a guide sleeve 5, a supporting seat 6, a strip-shaped groove 7, a profiling block 8, an arc-shaped concave surface 9, a case cover 10, a guide rod 11, a center block 12, a support rod 13, a rectangular rod 14 and a controller 15.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 5, the present utility model provides a pressing force detecting device for spring fingers, which comprises a case 1 and a case cover 10, wherein the case cover 10 is mounted on the top of the case 1 by means of screw connection, so that the case cover 10 is detachable, thereby facilitating maintenance of internal components; the downside center department fixed mounting of case lid 10 has center piece 12, center piece 12 is the cylinder, bar groove 7 has been seted up to case lid 10, bar groove 7 is circumference evenly distributed with center piece 12 as the center, the below level of bar groove 7 is provided with guide bar 11, the equal fixed mounting of one end of guide bar 11 has supporting seat 6, the upper end of supporting seat 6 all with case lid 10 fixed mounting, the other end of guide bar 11 all with center piece 12 fixed mounting, guide bar 11 all slidable mounting has uide bushing 5 for uide bushing 5 can be along guide bar 11 horizontal steady movement.

As shown in fig. 2, one end of a supporting rod 13 is fixedly arranged on the upper side of the guide sleeve 5, a profiling block 8 is arranged on the other end of the supporting rod 13 through a connecting structure, the profiling blocks 8 are combined into a profiling sleeve with variable outer diameter, the supporting rod 13 is positioned in a corresponding strip-shaped groove 7, and the profiling block 8 is positioned above the corresponding strip-shaped groove 7; the spring contact finger sleeve to be detected is arranged outside the profiling sleeve, the pressing force of the spring contact finger can enable the profiling block 8 to have acting force moving towards the center, and each guide sleeve 5 translates towards the center along the guide rod 11 after being conducted through the support rod 13.

A pressure sensor 2 is fixedly arranged in the center of the bottom of the inner side of the case 1, and a transmission assembly is arranged between the upper side of the pressure sensor 2 and a guide sleeve 5; the transmission assembly can collect the force on each guide sleeve 5 onto the pressure sensor 2 and send the detected force value outwards through the pressure sensor 2.

Specifically, the transmission assembly comprises a transmission rod 4 and a supporting block 3, the supporting block 3 is arranged on the upper side of the pressure sensor 2, the supporting block 3 is a cylinder, one end of the transmission rod 4 is rotatably arranged on the lower side of the guide sleeve 5 through a rotating joint, and the other end of the transmission rod 4 is rotatably arranged on the circumferential side of the supporting block 3 through the rotating joint; the rotating joint is an existing component consisting of a rotating seat and a pin, and correspondingly, two ends of the transmission rod 4 are provided with pin holes for penetrating through the pin; when each guide sleeve 5 translates towards the center, convergent acting force can be applied to the abutting block 3 through the transmission rod 4, so that pressure is applied to the pressure sensor 2 through the abutting block 3; the abutting block 3 can be conveniently separated in a manner of being placed on the pressure sensor 2, and when the case cover 10 is detached, all parts (parts above the abutting block 3) with connection relation can be brought out, so that the maintenance of the parts on the case cover 10 and the case 1 is convenient.

Specifically, as shown in fig. 3, the number of the profiling blocks 8 is 3 to 6, and the bar-shaped grooves 7, the guide rods 11, the support rods 13 and other structures are correspondingly arranged in a matched manner; the arc concave surface 9 is offered to the one side that the profile modeling piece 8 kept away from center piece 12, and arc concave surface 9 can be after the spring touch finger cover is established, because of the elasticity of spring touch finger, makes the spring touch to the center department removal of arc concave surface 9, is convenient for place in the middle, promotes the homogeneity of every profile modeling piece 8 atress.

Specifically, as shown in fig. 4, the connecting structure comprises a rectangular rod 14 and a rectangular groove, the rectangular rod 14 is arranged at the upper end of the supporting rod 13, the rectangular groove is arranged at the bottom of the profiling block 8, and the rectangular rod 14 and the rectangular groove are assembled in an inserting manner; through this kind of grafting mode, the profiling piece 8 of different sizes of change that can be convenient for the profile modeling cover of constituteing has the external diameter of different sizes, with the compressive force detection that is suitable for the spring contact finger of different sizes, and the rectangle cross section in rectangle pole 14 and rectangular channel can avoid profiling piece 8 to take place circumference rotation, and the installation is firm, the dismantlement is convenient.

A controller 15 is fixedly arranged on one side of the case 1, and the pressure sensor 2 is electrically connected with the controller 15 through a wire.

The application mode of the embodiment is as follows:

the matched profiling block 8 is replaced according to the size of the spring contact finger to be detected; when the spring touch finger is used, the spring touch finger is sleeved on the profiling sleeve after being expanded, each profiling block 8 has acting force moving towards the center due to the elasticity of the spring touch finger, each guiding sleeve 5 can move towards the center along the guiding rod 11 after being conducted by the supporting rod 13, then convergent acting force is applied to the abutting block 3 through each driving rod 4, pressure is applied to the pressure sensor 2 through the abutting block 3, the numerical value acquired by the pressure sensor 2 can be transmitted to the controller 15, and the numerical value is displayed after calculation, so that a worker can conveniently and directly acquire the pressing force information to judge whether the pressing force of the spring touch finger is qualified or not.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A closing force detection device for spring contact finger, including quick-witted case (1) and case lid (10), case lid (10) are installed at the top of machine case (1), its characterized in that: the novel box cover is characterized in that a center block (12) is fixedly arranged at the center of the lower side of the box cover (10), a strip-shaped groove (7) is formed in the box cover (10), the strip-shaped groove (7) is uniformly distributed circumferentially by taking the center block (12) as the center, a guide rod (11) is arranged below the strip-shaped groove (7), a supporting seat (6) is fixedly arranged at one end of the guide rod (11), the upper end of the supporting seat (6) is fixedly assembled with the box cover (10), the other end of the guide rod (11) is fixedly assembled with the center block (12), and a guide sleeve (5) is slidably arranged at the guide rod (11);

one end of a supporting rod (13) is fixedly arranged on the upper side of each guide sleeve (5), a profiling block (8) is arranged on the other end of each supporting rod (13) through a connecting structure, the profiling blocks (8) are combined into a profiling sleeve with a variable outer diameter, the supporting rods (13) are positioned in corresponding strip-shaped grooves (7), and the profiling blocks (8) are positioned above the corresponding strip-shaped grooves (7);

the pressure sensor (2) is fixedly arranged at the center of the bottom of the inner side of the chassis (1), and a transmission assembly is arranged between the upper side of the pressure sensor (2) and the guide sleeve (5).

2. The pressing force detection device for spring contact fingers according to claim 1, wherein: the transmission assembly comprises a transmission rod (4) and a supporting block (3), the supporting block (3) is arranged on the upper side of the pressure sensor (2), the supporting block (3) is a cylinder, one end of the transmission rod (4) is installed on the lower side of the guide sleeve (5) through rotating a rotating joint, and the other end of the transmission rod (4) is installed on the circumference side of the supporting block (3) through rotating the rotating joint.

3. The pressing force detection device for spring contact fingers according to claim 1, wherein: the number of the profiling blocks (8) is 3 to 6.

4. The pressing force detection device for spring contact fingers according to claim 1, wherein: an arc concave surface (9) is formed on one side, far away from the center block (12), of the profiling block (8).

5. The pressing force detection device for spring contact fingers according to claim 1, wherein: the connecting structure comprises a rectangular rod (14) and a rectangular groove, wherein the rectangular rod (14) is arranged at the upper end of the supporting rod (13), the rectangular groove is formed in the bottom of the profiling block (8), and the rectangular rod (14) and the rectangular groove are assembled in a plugging mode.

6. The pressing force detection device for spring contact fingers according to claim 1, wherein: one side of the case (1) is fixedly provided with a controller (15).