CN217358852U

CN217358852U - Test fixture is markd in batches to sensor

Info

Publication number: CN217358852U
Application number: CN202221187215.5U
Authority: CN
Inventors: 颜承浩; 李祥明
Original assignee: Wuxi Hongju Electronic Technology Co ltd
Current assignee: Wuxi Hongju Electronic Technology Co ltd
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-09-02
Anticipated expiration: 2032-05-13

Abstract

The utility model discloses a batch calibration test fixture for sensors, which comprises an upper cover part and a support plate part, wherein the upper cover part is provided with a lifting part to lift the upper cover so as to separate from or press the support plate; the upper cover part is provided with an upper cover, a pressing component for pressing the sensor and an elastic pressing component, one end of the elastic pressing component is connected to the upper cover, and the other end of the elastic pressing component is connected to the pressing component; the carrier plate portion is connected with a guide rail assembly on which the carrier plate portion can move. The utility model discloses set up the support plate part into the structure that the guide rail slided open, the sensor perhaps takes out the sensor of being convenient for installation, it is inseparable to set up elasticity and compress tightly the pressfitting of being convenient for of subassembly, compact structure, convenient to use, and is efficient, carries out the pressure and the acceleration ordinary pressure retest of TPMS etc. fast, through the design of pneumatic upper cover, has reduced the time of last unloading.

Description

Test fixture is markd in batches to sensor

Technical Field

The utility model relates to a work tool specifically is a test fixture is markd in batches to sensor.

Background

The TPMS normal pressure retest in-process need utilize the tool to test pressure/acceleration sensor and mark, and the tool commonly used at present need open the upper cover and thoroughly remove the upper cover just can adorn the sensor or take out the sensor, and upper cover and support plate generally are the rigid connection when pressfitting simultaneously, press not tight easily.

SUMMERY OF THE UTILITY MODEL

For solving the defect of above-mentioned prior art, the utility model provides a test fixture is markd in batches to sensor, the utility model discloses set up the support plate part into the structure that the guide rail slided open, be convenient for install the sensor or take out the sensor, it is inseparable to set up elasticity and compress tightly the pressfitting of being convenient for of subassembly, compact structure, convenient to use, and is efficient, carries out TPMS's pressure and acceleration ordinary pressure retest fast, through the design of pneumatic upper cover, has reduced the time of last unloading.

In order to achieve the technical purpose, the utility model adopts the following technical scheme: a batch calibration test fixture for sensors comprises an upper cover part and a carrier plate part, wherein the upper cover part is provided with a lifting part to lift the upper cover so as to separate from or press the carrier plate; the upper cover part is provided with an upper cover, a pressing component for pressing the sensor and an elastic pressing component, one end of the elastic pressing component is connected to the upper cover, and the other end of the elastic pressing component is connected to the pressing component; the carrier plate portion is connected with a guide rail assembly on which the carrier plate portion can move.

Furthermore, the pressing assembly comprises a pressing plate and a pressing block fixed below the pressing plate and used for pressing the sensor, the pressing plate is connected to the upper cover through a guide assembly, and the pressing plate is connected to the elastic pressing assembly.

Furthermore, the guide assembly adopts a guide post, one end of the guide post is fixed on the upper cover, the other end of the guide post penetrates through the pressing plate, and the other end of the guide post is provided with a limiting block for limiting the pressing plate.

Furthermore, the elastic pressing assembly adopts a spring guide post, one end of the spring guide post is fixed on the upper cover, and the other end of the spring guide post is fixed on the pressing plate.

Furthermore, the upper cover part is also provided with an upper connecting plate used for connecting a PCB, the upper connecting plate is fixed on the upper cover, and the upper connecting plate is provided with a plurality of through holes for the guide posts and the spring guide posts to pass through.

Further, the bearing plate part comprises a bottom plate and a needle plate arranged on the bottom plate, a peek plate is arranged on the needle plate, a positioning ring and an installation disc arranged in the positioning ring are arranged on the peek plate, a plurality of conductive needles are arranged on the needle plate and penetrate through the peek plate to be arranged in the installation disc in a penetrating mode and used for contacting with the sensor.

Further, the lower side surface of the peek plate is provided with an embedded notch, the needle plate is embedded in the embedded notch, and the plurality of conductive needles penetrate through the peek plate.

Furthermore, the carrier plate part is also provided with a lower connecting plate for connecting a pcb, the lower connecting plate is fixed on the bottom plate, and the peek plate is fixed on the lower connecting plate.

To sum up, the utility model discloses following technological effect has been gained:

1. the upper cover of the utility model can be controlled by the cylinders at the two sides, which is convenient for lifting and pressing;

2. the carrier plate part of the utility model can be pushed and pulled back and forth through the linear guide rail, thereby facilitating the installation and the taking out of the sensor;

3. the utility model discloses the upper cover of pressfitting support plate can freely adjust the pressfitting level through 4 spring pins and guarantee that the level compresses tightly each product.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is an exploded schematic view of the upper cover portion and carrier plate portion;

fig. 4 is a partially exploded view of fig. 3.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship 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 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.

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 limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Example (b):

as shown in fig. 1, a batch calibration test fixture for sensors, as shown in fig. 2, is a side view of fig. 1, and includes an upper cover portion 1 and a carrier plate portion 2, where the upper cover portion 1 is provided with a lifting portion 4 to lift the upper cover 1 to separate from or press the carrier plate 2.

As shown in fig. 3, which is an exploded schematic view of the upper cover portion 1 and the carrier plate portion 2, the upper cover portion 1 is provided with an upper cover 101, a pressing component for pressing the sensor, and an elastic pressing component, one end of the elastic pressing component is connected to the upper cover 101, and the other end is connected to the pressing component.

Further, the pressing assembly comprises a pressing plate 103 and a pressing block 104 fixed below the pressing plate 103 and used for pressing the sensor, the pressing plate 103 and the pressing block 104 are fixedly connected through a connecting column such as a stud, the pressing plate 103 is connected to the upper cover 101 through a guiding assembly, and the pressing plate 103 is connected to the elastic pressing assembly.

Still further, the guiding component adopts a guiding column such as a long stud 106, one end of the guiding column is fixed on the upper cover 101, the other end of the guiding column penetrates through the pressing plate 103, and the other end of the guiding column is provided with a limiting block for limiting the pressing plate 103. When the pressing plate 103 is pressed, the pressing plate can move along one direction under the action of the guide posts, and the limiting blocks ensure that the pressing plate 103 cannot be separated from the guide posts, so that the position between the pressing plate 103 and the upper cover 101 is limited.

A guiding hole is formed in each of the 4 corners of each pressing plate, a guiding column, namely a long stud 106, penetrates through the guiding hole, one end of the guiding column is fixed on the upper cover 101, the longest distance between the pressing plate 103 and the upper cover 101 is limited, the pressing plate can be prevented from being separated from the upper cover, and the elastic pressing assembly can also be provided with an elastic movement stroke space.

Further, the elastic pressing assembly employs a spring guide post 105, and one end of the spring guide post 105 is fixed on the upper cover 101, and the other end is fixed on the pressing plate 103. The spring guide post 105 adopts structures such as a guide sleeve, a guide post and a spring, and realizes the functions of guiding and spring buffering and pressing.

As shown in fig. 3, the upper cover part 1 is further provided with an upper connecting plate 102 for connecting a PCB, the upper connecting plate 102 is fixed on the upper cover 101, and the upper connecting plate 102 is provided with a plurality of through holes for the guide posts and the spring guide posts 105 to pass through, so that the upper connecting plate 102 does not affect the fixation and elastic compression of the pressing plate 103.

As shown in fig. 3, the carrier board portion 2 includes a bottom board 201, and with reference to fig. 4, a pin board 203 disposed on the bottom board 201, a peek board 204 disposed on the pin board 203, a positioning ring 205 disposed on the peek board 204, and a mounting plate 206 disposed in the positioning ring 205, and a plurality of conductive pins (not shown) disposed on the pin board 203, the conductive pins penetrating through the peek board 204 and penetrating through the mounting plate 206 for contacting the sensor. The positioning ring 205 and the mounting plate 206 are made of peek materials, so that the sealing performance is good, and the peek materials are high in rigidity and not prone to deformation.

Further, as shown in fig. 4, the lower side of the peek plate 204 is provided with an embedded notch, the needle plate 203 is embedded in the embedded notch, and the plurality of conductive needles penetrate through the peek plate 204. The conductive pin is used as a lead to electrically connect the sensor with the circuit board, so that the detection is convenient.

The carrier board portion 2 is further provided with a lower connection board 202 for connecting the pcb board, the lower connection board 202 being fixed to the base plate 201, and a peek board 204 being fixed to the lower connection board 202.

The upper connecting plate 102 and the lower connecting plate 202 are both used for connecting the pcb, so that the circuit communication is realized, and the signal transmission is completed.

The utility model discloses utilize a plurality of briquettings and a plurality of mounting disc to realize the measurement of a plurality of sensors, it is fast, utilize the peek board and elasticity to compress tightly the subassembly, realize the short-term test.

The utility model discloses still set up landing slab 5 and guide rail set spare 3, support plate part 2 can the motion on the guide rail set spare 3, support plate part 2's bottom plate 201 sets up and slides along the guide rail on guide rail set spare 3, lift part 4 adopts cylinder 401, lifter plate 402, connecting block 403 fixed connection lifter plate 402 and upper cover 101, cylinder 401 is fixed on landing slab 5, when needs installation sensor, cylinder 401 is with upper cover part 1 jack-up, support plate part 2 is along the guide rail roll-off, after installing the sensor on mounting disc 206, the support plate part slides back again, cylinder 401 drives upper cover part and descends, make briquetting 104 pressfitting on mounting disc 206.

When the pressing block 104 contacts the mounting disc 206, the compression of the spring is realized under the action of the elastic pressing component, the buffering is realized, meanwhile, the pressing plate 103 is tightly attached to the upper cover 101 under the action of the guide column, due to the existence of the upper connecting plate 102, the pressing plate 103 is tightly attached to the upper connecting plate 102, the pressing is completed, and meanwhile, the pressing block is tightly pressed on the mounting disc 206 under the action of the tension of the spring, and the tight pressing is completed.

The utility model discloses set up the heater strip, the heater strip sets up and is used for the briquetting heating on upper cover 101, gives the sensor heating after the pressfitting, guarantees that the ambient temperature who detects maintains a suitable temperature.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all changes and modifications equivalent to any simple modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a sensor is demarcation test fixture in batches which characterized in that: the portable electronic device comprises an upper cover part (1) and a carrier plate part (2), wherein the upper cover part (1) is provided with a lifting part (4) so that the upper cover part (1) can be lifted to be separated from or pressed on the carrier plate part (2); the upper cover part (1) is provided with an upper cover (101), a pressing component for pressing the sensor and an elastic pressing component, one end of the elastic pressing component is connected to the upper cover (101), and the other end of the elastic pressing component is connected to the pressing component; the carrier plate part (2) is connected with a guide rail assembly (3), and the carrier plate part (2) can move on the guide rail assembly (3).

2. The batch calibration test fixture for sensors according to claim 1, wherein: the pressing component comprises a pressing plate (103) and a pressing block (104) fixed below the pressing plate (103) and used for pressing the sensor, the pressing plate (103) is connected to the upper cover (101) through a guide component, and the pressing plate (103) is connected to the elastic pressing component.

3. The batch calibration test fixture for sensors according to claim 2, wherein: the guide assembly is a guide post, one end of the guide post is fixed on the upper cover (101), the other end of the guide post penetrates through the pressing plate (103), and a limiting block used for limiting the pressing plate (103) is arranged at the other end of the guide post.

4. The batch calibration test fixture for sensors according to claim 3, wherein: the elastic pressing assembly adopts a spring guide column (105), one end of the spring guide column (105) is fixed on the upper cover (101), and the other end of the spring guide column is fixed on the pressing plate (103).

5. The batch calibration test fixture for sensors according to claim 4, wherein: the upper cover part (1) is further provided with an upper connecting plate (102) used for being connected with a PCB, the upper connecting plate (102) is fixed on the upper cover (101), and the upper connecting plate (102) is provided with a plurality of through holes for the guide columns and the spring guide columns (105) to penetrate through.

6. The batch calibration test fixture for sensors according to claim 1, wherein: carrier plate part (2) include bottom plate (201) and set up faller (203) on bottom plate (201), be provided with peek board (204) on faller (203), be provided with holding ring (205) and set up on peek board (204) mounting disc (206) in holding ring (205), be provided with a plurality of electrically conductive needles on faller (203), electrically conductive needle passes wear to establish behind peek board (204) to be used for the contact in mounting disc (206) the sensor.

7. The batch calibration test fixture for sensors according to claim 6, wherein: the downside of peek board (204) has been seted up and has been inlayed and establish the notch, faller (203) inlay and establish in the inlay establishes the notch just a plurality of conductive pins pass peek board (204).

8. The batch calibration test fixture for sensors according to claim 6, wherein: the carrier plate part (2) is further provided with a lower connecting plate (202) used for connecting a pcb, the lower connecting plate (202) is fixed on the bottom plate (201), and the peek plate (204) is fixed on the lower connecting plate (202).