Pressure testing device for sensor production

Abstract

The utility model belongs to the technical field of pressure testing equipment, and particularly relates to a pressure testing device for sensor production, which comprises a pressure testing machine and a pressure rod in the pressure testing machine. A test rod is arranged below the pressing rod to carry out point position test on the sensor, a fixing seat is further arranged below the pressing rod, and the test point position of the test rod is adjusted through the matching angle of the fixing seat and a shaft seat at the bottom of the fixing seat; arc-shaped blocks are arranged on the outer side of the test rod, and the adjacent arc-shaped blocks are in butt joint to form a circle to wrap the outer side of the test rod so as to simulate stress areas under different working conditions. According to the utility model, the test rod can be conveniently adjusted to different positions to carry out multi-point test operation, and in addition, the arc-shaped block can be utilized to increase the coverage area during test so as to simulate stress states of different working conditions, thereby achieving a comprehensive test effect.

Description

Technical Field

[0001] The utility model belongs to the technical field of pressure testing equipment, and particularly relates to a pressure testing device for sensor production. Background Technique

[0002] A pressure sensor is a device that can sense pressure signals and convert them into available output electrical signals according to certain rules. To ensure its performance and accuracy, pressure testing is often carried out during production to verify the accuracy, stability, dynamic response, and anti-interference ability of the sensor. These are all key factors to ensure the normal operation of the sensor in fields such as industrial automation, liquid level measurement, food manufacturing, and water treatment.

[0003] After retrieval, a patent with the Chinese patent publication number CN116929633B discloses a testing device for a pressure sensor, including a base. A turntable is arranged above the base, and the base can drive the turntable to rotate. A clamp slides horizontally on the turntable, and the clamp can adjust its position relative to the turntable. Three hydraulic pliers are installed in the clamp and other contents, realizing the testing of non-central positions, thereby obtaining more accurate data.

[0004] However, there are still at least the following deficiencies in this device:

[0005] 1. This device needs to install the sensor inside the clamp and achieve the eccentric testing effect by adjusting the position of the sensor. This leads to the inability to accurately control the eccentric position during the use of the device, and the operation process is relatively troublesome, which is not convenient for efficient testing operations.

[0006] 2. This device only operates through a small detection cone in the middle, which leads to an increase in the limitation of the testing area and is not conducive to simulation testing operations under different working conditions.

[0007] To solve the above problems, a pressure testing device for sensor production is proposed in this application. Content of the Utility Model

[0008] The purpose of the utility model is to provide a pressure testing device for sensor production, which solves the problems raised in the above background technique.

[0009] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0010] The utility model discloses a pressure testing device for sensor production, comprising: a pressure testing machine and a pressure rod inside the pressure rod; a test rod is provided below the pressure rod to perform point test on the sensor, a fixing seat is also provided below the pressure rod, and the test point of the test rod is adjusted by the matching angle with the bottom shaft seat; an arc block is provided on the outer side of the test rod, and adjacent arc blocks are connected to form a circle covering the outer side of the test rod to simulate the force-bearing area of different working conditions.

[0011] Furthermore, a boss is provided at the upper end of the test rod and is located inside the shaft seat, and a screw is spirally installed inside the upper end of the boss.

[0012] Furthermore, a protruding sliding block is provided above the boss and is slidably mounted inside a slideway at the bottom of the shaft seat to position the sliding of the boss.

[0013] Furthermore, a turntable is provided at the upper end of the shaft seat and is rotatably mounted inside the fixed seat, and a blocking pad on the outer side thereof increases the frictional resistance between the turntable and the fixed seat so that the test rod is fixed in one position for testing operations.

[0014] Furthermore, a support is provided on the outer side of the shaft seat for rotating a protrusion at one end of the mounting screw.

[0015] Furthermore, a protruding elastic rubber strip is provided at the upper end of the arc block and is engaged with the inside of the positioning slot.

[0016] Furthermore, a protruding block mechanism is provided above the arc block to abut against the lower surface of the boss and is used to install an elastic rubber strip, so that the arc block maintains structural stability and prevents deflection during testing operations.

[0017] The utility model has the following beneficial effects:

[0018] The utility model uses a combined structure of a boss and a shaft seat to conveniently adjust the horizontal placement position of the test rod by using a screw rod, and then the test rod can be placed at different positions to test the sensor by rotating the turntable. During the adjustment, the test rod is lowered to a position adjacent to the sensor, so as to achieve the effect of accurately controlling the test point position.

[0019] The utility model can add an arc block by installing a boss during testing through the clamping connection between the elastic rubber strip and the positioning slot to expand the test area, thereby achieving the effect of simulating different working conditions for testing operations, thereby ensuring the accuracy of the performance data of the sensor.

[0020] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the attached drawings required for the description of the embodiments. Obviously, the attached drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other attached drawings can also be obtained based on these drawings.

[0022] Figure 1 Schematic diagram of the overall external structure of the present utility model;

[0023] Figure 2 Schematic diagram of the internal partial structure of the shaft seat of the present utility model;

[0024] Figure 3 Schematic diagram of the connecting part structure between the boss and the shaft seat of the present utility model;

[0025] Figure 4 Schematic diagram of the disassembled part structure of adjacent arc-shaped blocks of the present utility model;

[0026] In the attached drawings, the list of components represented by each reference numeral is as follows:

[0027] In the figure: 1, pressure testing machine; 2, pressure rod; 3, test rod; 4, fixed seat; 5, shaft seat; 6, arc-shaped block; 7, boss; 8, turntable; 9, slideway; 10, screw; 11, positioning card slot; 12, slider; 13, blocking pad; 14, support; 15, convex block; 16, elastic rubber strip. Specific embodiments

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the attached drawings in the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0029] In the description of the present utility model, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery", etc. indicating orientation or positional relationships are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0030] Please refer to Figures 1-4As shown, the utility model is a pressure testing device for sensor production, comprising: a pressure testing machine 1 and a pressure rod 2 inside thereof; a test rod 3 is provided below the pressure rod 2 to perform point test on the sensor, and a fixing seat 4 is also provided below the pressure rod 2 to adjust the test point of the test rod 3 by the matching angle with the shaft seat 5 at the bottom thereof;

[0031] The outer side of the test rod 3 is provided with an arc block 6, and adjacent arc blocks 6 are connected to form a circle covering the outer side of the test rod 3 to simulate the force bearing area of different working conditions;

[0032] The present embodiment provides a sensor pressure testing device with precise testing. By utilizing the cooperation between the test rod 3 and the shaft seat 5, the test rod 3 can be conveniently adjusted to different positions for multi-point testing operations. In addition, the arc block 6 can be used to increase the coverage area during the test to simulate different working stress states and achieve a comprehensive testing effect.

[0033] The upper end of the test rod 3 is provided with a boss 7 located inside the shaft seat 5 , and the upper end of the boss 7 is provided with a screw hole for screwing a screw 10 inside the shaft seat 5 .

[0034] Among them, a protruding slider 12 is provided above the boss 7, which is slidably installed inside the slideway 9 at the bottom of the shaft seat 5, and plays a positioning role in the sliding of the boss 7, so that the boss 7 can translate when moving to prevent deflection.

[0035] Among them, a turntable 8 is provided at the upper end of the shaft seat 5 and is rotatably installed inside the fixed seat 4. The blocking pad 13 on its outer side increases the friction resistance between it and the fixed seat 4 so that the test rod 3 is fixed in a position for testing operations. The operation is simple and convenient and is suitable for efficient testing operations.

[0036] A support 14 is provided on the outer side of the shaft seat 5 for rotatably mounting a protrusion 15 at one end of the screw rod 10 .

[0037] Among them, the upper end of the arc block 6 is provided with a protruding elastic rubber strip 16, which automatically shrinks under the pressure of external force, and then expands outward after being inserted into the positioning slot 11, thereby filling the gap and forming a snap connection to fix the arc block 6.

[0038] A protruding block mechanism is also provided above the arc block 6 to abut against the lower surface of the boss 7 for installing an elastic rubber strip 16 so as to keep the arc block 6 stable in structure and prevent it from deflecting during the test operation.

[0039] It is understandable that the utility model can conveniently adjust the test rod 3 to different positions to perform multi-point testing operations. In addition, the arc block 6 can be used to increase the coverage area during testing to simulate different working stress states and achieve a comprehensive testing effect.

[0040] A specific application of the operating process of this embodiment is: when in use, first lower the test rod 3 to the high speed adjacent to the sensor, then rotate the screw 10, and use the spiral connection with the upper part of the boss 7 to drive the test rod 3 to adjust the lateral position, and then move the shaft seat 5 to position the test rod 3 to the predetermined eccentric position, so as to achieve the effect of accurately adjusting the test point; in addition, before testing, the elastic rubber strip 16 can be directly inserted into the interior of the positioning slot 11 so that the adjacent arc blocks 6 are combined into a circular structure to cover the test rod 3, so as to achieve the effect of convenient switching between point and large-area test states, so as to simulate different working conditions to test the performance of the sensor.

[0041] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A pressure testing device for sensor production, characterized in that, Including: A pressure testing machine (1) and a pressure rod (2) inside it; A test rod (3) is provided below the pressure rod (2) to perform point position testing on the sensor. A fixing seat (4) is also provided below the pressure rod (2), and the test point position of the test rod (3) is adjusted by the cooperation angle with its bottom shaft seat (5); An arc-shaped block (6) is provided on the outer side of the test rod (3). After adjacent arc-shaped blocks (6) are butted, they form a circle covering the outer side of the test rod (3) to simulate the stress area under different working conditions.

2. The pressure testing device for sensor production according to claim 1, wherein: A boss (7) is provided at the upper end of the test rod (3) and is located inside the shaft seat (5). A screw rod (10) is spirally installed inside the upper end of the boss (7).

3. A pressure testing device for sensor production according to claim 2, characterized in that: A protruding slider (12) is provided above the boss (7) and is slidably installed inside a slideway (9) at the bottom of the shaft seat (5) to position the sliding of the boss (7).

4. A pressure testing device for sensor production according to claim 1, characterized in that: A turntable (8) is provided at the upper end of the shaft seat (5) and is rotatably installed inside the fixing seat (4). The friction resistance with the fixing seat (4) is increased through the blocking pad (13) on its outer side so that the test rod (3) is fixed at a position for testing operations.

5. A pressure testing device for sensor production according to claim 1, characterized in that: A support (14) is provided on the outer side of the shaft seat (5) for rotatably installing a convex block (15) at one end of the screw rod (10).

6. A pressure testing device for sensor production according to claim 1, characterized in that: A protruding elastic rubber strip (16) is provided at the upper end of the arc-shaped block (6) and is engaged inside a positioning card slot (11).

7. A pressure testing device for sensor production according to claim 1, characterized in that: Above the arc-shaped block (6), a protruding block mechanism is also provided to abut against the lower surface of the boss (7) for installing the elastic rubber strip (16) to keep the arc-shaped block (6) stable in structure and prevent deflection during testing operations.

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