CN216816314U - Mechanical structure of fine-tuning precise pressure measurement - Google Patents

Abstract

The utility model discloses a fine-tuning type mechanical structure for accurate pressure measurement, which is used for pressure source detection. Spring, elastic member, spring mounting block, pressure sensor, differential head, the upper part of the pressure sensor is in contact with the lower end of the spring mounting block; the base assembly is installed on the sliding assembly, the sliding assembly is slidably installed on the mounting seat, and the differential head is arranged on the mounting seat and Abutting against the lower end of the sliding component, one end of the side tension spring is fixed to the sliding component, the other end is fixed to the mounting seat, and the differential head and the side tension spring are arranged on both sides of the sliding component. The pressure sensor is used to feedback the real-time pressure value, and the differential head can be used to fine-tune the height and accurately adjust the pressure value; maintenance is simple, and the pressure value can be fed back and visualized in real time, which can reduce the false detection and misjudgment of the product, and can improve the production capacity.

Description

Mechanical structure of fine-tuning precise pressure measurement

technical field

The utility model relates to the field, in particular to a fine-tuning type mechanical structure for accurate pressure measurement.

Background technique

At present, in the testing industry of electronic finished products, some components or finished products need to exert a certain pressure on their surfaces during the testing process to test a certain function, and there are clear requirements for the size of the pressure value, the size range Very narrow. In the past, when testing similar pressure requirements, the given pressure value was within a certain range, and the size range was very wide. We can use the single-spring structure, calculate the spring force of the spring, put the product under test, and then press the start button to pass The PLC control program controls the action of the cylinder, drives the entire spring structure, and exerts pressure on the product.

However, the existing mechanical structure for measuring pressure has the following defects:

For the structure of a single spring, the size of the spring force only depends on the theoretical value calculated at the beginning of the design, and in the process of testing, the actual size of the force cannot be fed back in real time, especially after a period of use, the aging of the spring, It will cause the attenuation of the elastic force value, resulting in inaccurate test data, misjudgment and mismeasurement of the test product, the yield rate of the product test will be reduced, and the production efficiency will also be affected, and the maintenance is inconvenient. new spring.

Utility model content

In order to overcome the deficiencies of the prior art, one of the purposes of the present invention is to provide a fine-tuning type mechanical structure for accurate pressure measurement, which can solve the problem of misjudgment and mismeasurement.

One of the purposes of the present utility model adopts the following technical scheme to realize:

A fine-tuning mechanical structure for accurate pressure measurement, used for pressure source detection, including a placement component, a telescopic component, a seat body component, a sliding component, a mounting seat, a side tension spring, an elastic member, A spring mounting block, a pressure sensor, and a differential head, the mounting assembly is arranged on the upper end of the telescopic assembly, and the upper and lower ends of the elastic member are respectively in contact with the lower end of the telescopic assembly and the upper end of the spring mounting block, so The seat assembly is provided with a chute, the pressure sensor is arranged in the chute, the upper part of the pressure sensor is in contact with the lower end of the spring mounting block; the seat assembly is installed on the sliding assembly, the The sliding component is slidably mounted on the mounting seat, the differential head is arranged on the mounting seat and abuts against the lower end of the sliding component, one end of the side tension spring is fixed on the sliding component, and the other end is fixed on the sliding component. The mounting seat, the micro-head and the side tension spring are arranged on both sides of the sliding component.

Further, a locking post is arranged on the mounting seat, and the lower end of the side tension spring is locked to the locking post.

Further, a fixing plate is arranged on the mounting seat, and the micro-differential head is installed on the fixing plate.

Further, the fixing plate is provided with a nut assembly, and the differential head is provided with a screwing part, and the screwing part is screwed with the nut assembly through the fixing plate.

Further, a sliding guide rail is provided on the mounting seat, and the sliding assembly is slidably mounted on the sliding guide rail.

Further, the lower end of the telescopic assembly is slidably installed in the chute.

Further, the pressure sensor is connected with a terminal, and the base assembly is provided with a wire slot.

Further, the placement component is in the shape of a square.

Further, the telescopic assembly is provided with an annular clip slot matched with the placement assembly.

Further, a spacer is arranged on the placement component.

Compared with the prior art, the beneficial effects of the present utility model are:

The seating assembly is arranged on the upper end of the telescopic assembly, the upper and lower ends of the elastic member are respectively in contact with the lower end of the telescopic assembly and the upper end of the spring mounting block, and the seat assembly is provided with a chute, so The pressure sensor is arranged in the chute, and the upper part of the pressure sensor is in contact with the lower end of the spring mounting block; the base assembly is installed on the sliding assembly, and the sliding assembly is slidably installed on the mounting seat, The differential head is arranged on the mounting seat and abuts against the lower end of the sliding component, one end of the side tension spring is fixed on the sliding component, and the other end is fixed on the mounting seat. The side tension springs are arranged on both sides of the sliding assembly. The pressure sensor is used to feedback the real-time pressure value, and the differential head can be used to fine-tune the height and accurately adjust the pressure value; maintenance is simple, and the pressure value can be fed back and visualized in real time, which can reduce the false detection and misjudgment of the product, and can improve the production capacity.

The above description is only an overview of the technical solution of the present invention, in order to be able to understand the technical means of the present invention more clearly, it can be implemented according to the content of the description, and in order to make the above-mentioned and other purposes, features and advantages of the present invention better. It is obvious and easy to understand, and the preferred embodiments are exemplified below, and the detailed description is as follows in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 is the perspective view of a preferred embodiment in the mechanical structure of the fine-tuning type accurate pressure measurement of the present invention;

Fig. 2 is a perspective view of the mechanical structure of the fine-tuning type accurate pressure measurement shown in Fig. 1;

Fig. 3 is another perspective view of the mechanical structure of the fine-tuning type accurate pressure measurement shown in Fig. 1;

Fig. 4 is the sectional view of the mechanical structure of the fine-tuning type accurate pressure measurement shown in Fig. 1;

Fig. 5 is another perspective view of the mechanical structure of the fine-tuning type accurate pressure measurement shown in Fig. 1;

FIG. 6 is an exploded view of the mechanical structure of the fine-tuning precise pressure measuring device shown in FIG. 1 .

In the figure: 10, placement assembly; 11, spacer; 20, telescopic assembly; 30, base assembly; 40, sliding assembly; 50, mounting seat; 51, locking column; 52, fixing plate; 520, nut assembly ; 53, sliding guide rail; 60, side tension spring; 70, elastic part; 701, spring mounting block; 80, pressure sensor; 90, differential head; 91, screw part; 200, pressure source.

Detailed ways

Hereinafter, the present utility model will be further described with reference to the accompanying drawings and specific embodiments. It should be noted that, on the premise of no conflict, the embodiments or technical features described below can be arbitrarily combined to form new implementations. example.

It should be noted that when a component is referred to as being "fixed to" another component, it can be directly on the other component or there may also be a centered component. When a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a co-existence of an intervening component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a co-existing centered component. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which the present invention belongs. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to FIGS. 1-6 , a fine-tuning mechanical structure for accurate pressure measurement, which is used for the detection of the pressure source 200 , including a placement component 10 , a telescopic component 20 , a base component 30 , and a sliding component for contacting the pressure source 200 . 40. Mounting seat 50 , side tension spring 60 , elastic member 70 , spring mounting block 701 , pressure sensor 80 , differential head 90 , the mounting assembly 10 is arranged on the upper end of the telescopic assembly 20 , the elastic member 70 is The upper and lower ends are in contact with the lower end of the telescopic assembly 20 and the upper end of the spring mounting block 701 respectively. The seat assembly 30 is provided with a chute, and the pressure sensor 80 is arranged in the The upper part of the sensor 80 abuts against the lower end of the spring mounting block 701 ; the base assembly 30 is mounted on the sliding assembly 40 , the sliding assembly 40 is slidably mounted on the mounting seat 50 , and the differential head 90 is disposed on the The mounting seat 50 is in contact with the lower end of the sliding assembly 40, one end of the side tension spring 60 is fixed on the sliding assembly 40, and the other end is fixed on the mounting seat 50. The differential head 90, the The side tension springs 60 are arranged on both sides of the sliding assembly 40 . The pressure sensor 80 is used to feedback the real-time pressure value, and the differential head 90 can be used to fine-tune the height and precisely adjust the pressure value; maintenance is simple, and the pressure value can be fed back and visualized in real time, which reduces the false detection and misjudgment of the product, and can improve the production capacity.

Preferably, the mounting seat 50 is provided with a locking column 51 , and the lower end of the side tension spring 60 is locked to the locking column 51 . The mounting base 50 is provided with a fixing plate 52 , and the differential head 90 is mounted on the fixing plate 52 . The fixing plate 52 is provided with a nut assembly 520 , and the differential head 90 is provided with a screwing portion 91 , and the screwing portion 91 is screwed to the nut assembly 520 through the fixing plate 52 . The height of the differential head 90 is adjusted by the cooperation of the nut assembly 520 and the screw connection portion 91 , and then the contact height of the differential head 90 is adjusted to achieve accurate pressure testing.

Preferably, the mounting seat 50 is provided with a sliding guide rail 53 , and the sliding assembly 40 is slidably mounted on the sliding guide rail 53 to improve stability.

Preferably, the lower end of the telescopic assembly 20 is slidably installed in the chute. The pressure sensor 80 is connected to a terminal, and the base assembly 30 is provided with a wire slot. The placement assembly 10 is in the shape of a square. The telescopic assembly 20 is provided with a ring-shaped slot that is matched with the mounting assembly 10 . A spacer 11 is provided on the placement assembly 10 . The whole device has compact structure, novel structure, ingenious design, strong applicability and easy promotion.

The above-mentioned embodiments are only the preferred embodiments of the present invention, and the scope of protection of the present invention cannot be limited by this. Any insubstantial changes and replacements made by those skilled in the art on the basis of the present invention belong to the scope of the present invention. The scope of protection of the utility model.

Claims (10)

1. A fine-tuning mechanical structure for accurate pressure measurement, used for pressure source detection, including a placement component, a telescopic component, a seat body component, a sliding component, a mounting seat, a side tension spring, an elastic component for contacting the pressure source parts, spring mounting blocks, pressure sensors, and differential heads, characterized by: The seating assembly is arranged on the upper end of the telescopic assembly, the upper and lower ends of the elastic member are respectively in contact with the lower end of the telescopic assembly and the upper end of the spring mounting block, and the seat assembly is provided with a chute, so the pressure sensor is arranged in the chute, and the upper part of the pressure sensor abuts against the lower end of the spring mounting block; The base assembly is mounted on the sliding assembly, the sliding assembly is slidably mounted on the mounting seat, the differential head is disposed on the mounting seat and abuts against the lower end of the sliding assembly, and the side pulls One end of the spring is fixed on the sliding component, and the other end is fixed on the mounting seat, and the micro-head and the side tension spring are arranged on both sides of the sliding component. 2 . The mechanical structure for fine-tuning precise pressure measurement according to claim 1 , wherein a locking column is arranged on the mounting seat, and the lower end of the side tension spring is locked to the locking column. 3 . 3 . The mechanical structure for fine-tuning precise pressure measurement according to claim 1 , wherein a fixing plate is arranged on the mounting seat, and the differential head is installed on the fixing plate. 4 . 4 . The mechanical structure for fine-tuning precise pressure measurement according to claim 3 , wherein the fixing plate is provided with a nut assembly, the differential head is provided with a threaded portion, and the threaded portion passes through the threaded portion. 5 . The fixing plate is screwed with the nut assembly. 5 . The mechanical structure for fine-tuning precise pressure measurement according to claim 1 , wherein a sliding guide is arranged on the mounting seat, and the sliding assembly is slidably mounted on the sliding guide. 6 . 6 . The mechanical structure for fine-tuning precise pressure measurement according to claim 1 , wherein the lower end of the telescopic assembly is slidably installed in the chute. 7 . 7 . The mechanical structure for fine-tuning precise pressure measurement according to claim 1 , wherein the pressure sensor is connected to a terminal, and the base assembly is provided with a wire slot. 8 . 8 . The mechanical structure for fine-tuning precise pressure measurement as claimed in claim 1 , wherein the placement component is in a square shape. 9 . 9 . The mechanical structure for fine-tuning precise pressure measurement according to claim 8 , wherein the telescopic assembly is provided with an annular clamping groove that cooperates with the placement assembly. 10 . 10 . The mechanical structure for fine-tuning precise pressure measurement according to claim 1 , wherein a spacer is arranged on the placement component. 11 .

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