Novel monocrystalline silicon differential pressure sensor rapid pipe sealing device

By designing a fast tube sealing device for single crystal silicon differential pressure sensors, the problems of low efficiency and poor consistency of traditional tube sealing methods are solved, and more efficient production processes and more consistent product quality are achieved.

CN222652440UActive Publication Date: 2025-03-21SHANDONG FREED MEASUREMENT & CONTROL SYST CO LTD
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Patent Information

Application Number
CN202421522686.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-01
Publication Date
2025-03-21
Estimated Expiration
2034-07-01

AI Technical Summary

Technical Problem

The traditional sensor tube sealing method has low efficiency and poor consistency, resulting in a decrease in sensor quality.

Method used

A new type of single crystal silicon differential pressure sensor rapid pipe sealing device is designed, including placing plates, cylinder one and cylinder two. The sensor is clamped by cylinder one, and the high-pressure air pump is activated to control oil balance, and the oil pipe is sealed using the principle of cylinder two and lever.

Benefits of technology

It improves the efficiency and consistency of sensor sealing, simplifies production process, and enhances product qualification rate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sensor tube sealing devices, in particular to a novel monocrystalline silicon differential pressure sensor rapid tube sealing device which comprises a placing plate, a first air cylinder and a second air cylinder, the first air cylinder is fixedly installed on one side of the upper end of the placing plate, and a clamping block is fixedly installed on the other side of the upper end of the placing plate. A push block is fixedly installed at the output end of the first air cylinder, and the lower end of the push block is slidably connected with the upper end of the containing plate. Clamping grooves are formed in the adjacent sides of the pushing block and the clamping block, the sensor is placed in the corresponding position of the tool, the tool clamps the sensor through the first air cylinder, then the high-pressure air pump is started to pressurize the two sides of the sensor, and the step is to control the balance of the oil quantity on the two sides of the differential pressure sensor; the fixing plate and the rotating plate are moved to the position of the sensor oil filling pipe, the second air cylinder is started to apply large force to the oil pipe according to the lever principle, the oil pipe is sealed, the first air cylinder is detached, and the sensor can be taken out, production is convenient, product consistency is guaranteed, and the product percent of pass is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of sensor tube sealing devices, in particular to a novel single crystal silicon differential pressure sensor quick tube sealing device. Background Art

[0002] Sensors are increasingly used in applications such as building access control and wash basins, which are closely related to us. With the increasing use of automation, the sensor manufacturing industry has developed rapidly.

[0003] In the prior art, there are various ways to seal the sensor tube. The traditional way is to seal the tube manually with pliers, which is inefficient, poor in consistency, and reduces the quality of the sensor. To this end, the utility model proposes a novel single crystal silicon differential pressure sensor quick sealing device to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a novel single crystal silicon differential pressure sensor rapid tube sealing device to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a novel single crystal silicon differential pressure sensor rapid pipe sealing device, comprising: a placement plate, a cylinder 1 and a cylinder 2, wherein the cylinder 1 is fixedly mounted on one side of the upper end of the placement plate, a clamping block is fixedly mounted on the other side of the upper end of the placement plate, a push block is fixedly mounted on the output end of the cylinder 1, and the lower end of the push block is slidably connected to the upper end of the placement plate;

[0006] A clamping groove is provided on one side adjacent to the push block and the clamping block, a connecting pipe is installed at one end of the push block and the clamping block, and a placement block is installed between the push block and the clamping block;

[0007] A round rod is threadedly connected to one side of the upper end of the placement plate, and a sealing component is rotatably connected to the round rod.

[0008] Preferably, the placement block is fixed to the upper end of the placement plate by bolts, and an arc-shaped placement groove is provided at the upper end of the placement block.

[0009] Preferably, one end of the pushing block and the clamping block is provided with a through hole, and the inner end of the through hole is communicated with the clamping groove.

[0010] Preferably, a connector is installed at one end of the connecting pipe, and is fixedly installed in the outer port of the through hole through the connector.

[0011] Preferably, a threaded hole is provided on one side of the upper end of the placement plate, an external thread is provided on the lower end of the round rod, and the external thread and the threaded hole are threadedly connected.

[0012] Preferably, the sealing component comprises a fixed plate and a rotating plate, the front ends of the fixed plate and the rotating plate are rotatably connected via a rotating seat, and an extrusion port is provided at one end of the front ends of the fixed plate and the rotating plate that are close to each other.

[0013] Preferably, a support plate is fixedly mounted on one end of the fixed plate, and the support plate is rotatably connected to the outer wall of the round rod via a damping bearing.

[0014] Preferably, a strip-shaped hole is formed at one end of the rotating plate away from the extrusion port, and a second rotating seat is rotatably connected in the strip-shaped hole.

[0015] Preferably, the second cylinder is fixedly mounted on the outer wall of the fixed plate at one end away from the extrusion port, and the output end of the second cylinder is fixedly connected to one end of the second rotating seat.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] By placing the sensor into the corresponding position of the tooling, using cylinder one to clamp the sensor, and then starting the high-pressure air pump to pressurize both sides of the sensor, this step is to control the balance of the oil volume on both sides of the differential pressure sensor; move the fixed plate and the rotating plate to the position of the sensor oil filling pipe, start cylinder two to push and use the lever principle to apply a large force to the oil pipe, so that the oil pipe is sealed, and cylinder one can be removed to take out the sensor. This facilitates production, ensures product consistency, and improves product qualification rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the back of the overall structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the installation of the push block and the clamping block of the utility model;

[0021] Figure 4 It is a schematic diagram of the connection between the fixed plate and the rotating plate of the utility model.

[0022] In the figure: 1. placement plate; 2. cylinder 1; 3. push block; 4. placement block; 5. clamping block; 6. clamping groove; 7. through hole; 8. connecting pipe; 9. connecting head; 10. threaded hole; 11. round rod; 12. support plate; 13. damping bearing; 14. fixing plate; 15. cylinder 2; 16. rotating seat 1; 17. rotating plate; 18. strip hole; 19. rotating seat 2. DETAILED DESCRIPTION

[0023] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the description of the present utility model, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0027] See also Figures 1 to 4The utility model provides a technical solution: a novel single crystal silicon differential pressure sensor quick sealing device, comprising: a placement plate 1, a cylinder 2 and a cylinder 2 15, the placement plate 1 is fixed on the operating table, the cylinder 2 is fixedly installed on one side of the upper end of the placement plate 1, and a clamping block 5 is fixedly installed on the other side of the upper end of the placement plate 1, and a push block 3 is fixedly installed on the output end of the cylinder 2, and a sliding hole is opened at one end of the push block 3. A guide rod is welded on the front end outer wall of the cylinder 2, and the guide rod slides through the sliding hole. The lower end of the push block 3 is slidably connected with the upper end of the placement plate 1, and when the cylinder 2 pushes the push block 3 to move, the guide rod guides the push block 3.

[0028] A placement block 4 is installed between the push block 3 and the clamping block 5. The placement block 4 is fixed to the upper end of the placement plate 1 by bolts, and an arc-shaped placement groove is arranged on the upper end of the placement block 4. One end of the placement block 4 is close to the clamping block 5, and a clamping groove 6 is opened on the adjacent side of the push block 3 and the clamping block 5. The single crystal silicon differential pressure sensor is placed in the placement groove at the upper end of the placement block 4, and one end of the single crystal silicon differential pressure sensor is inserted into the clamping groove 6 on the clamping block 5, so as to preliminarily fix the single crystal silicon differential pressure sensor, and then start the cylinder 2 to drive the push block 3 to move toward one side of the clamping block 5 until the clamping groove 6 on the push block 3 contacts the other end of the single crystal silicon differential pressure sensor. Under the action of the cylinder 2, the two ends of the single crystal silicon differential pressure sensor are respectively sealed and connected with the two clamping grooves 6, and then start the high-pressure air pump to pressurize both sides of the sensor to control the balance of the oil amount on both sides of the differential pressure sensor.

[0029] One end of the push block 3 and the clamping block 5 are both installed with a connecting pipe 8, and one end of the push block 3 and the clamping block 5 are both opened with a through hole 7, the inner end of the through hole 7 is connected to the clamping groove 6, one end of the connecting pipe 8 is installed with a connector 9, and is fixedly installed in the outer port of the through hole 7 through the connector 9, and the other end of the connecting pipe 8 is connected to a high-pressure air pump, and the high-pressure gas is introduced into the clamping groove 6 through the connecting pipe 8 and the through hole 7 by starting the high-pressure air pump.

[0030] A round rod 11 is threadedly connected to one side of the upper end of the placement plate 1, and a sealing component is rotatably connected to the round rod 11. A threaded hole 10 is opened on one side of the upper end of the placement plate 1, and an external thread is opened at the lower end of the round rod 11, and is threadedly connected through the external thread and the threaded hole 10. The sealing component includes a fixed plate 14 and a rotating plate 17. The front ends of the fixed plate 14 and the rotating plate 17 are rotatably connected through a rotating seat 16, and an extrusion port is provided at one end of the fixed plate 14 and the rotating plate 17 where the front ends are close to each other. The two extrusion ports can be opened or closed by rotating the fixed plate 14 and the rotating plate 17, thereby realizing the extrusion function.

[0031] A support plate 12 is fixedly installed at one end of the fixed plate 14, and the support plate 12 is rotatably connected to the outer wall of the round rod 11 through a damping bearing 13. The outer wall of the damping bearing 13 is fixedly installed on the inner end of the support plate 12, and the inner wall of the damping bearing 13 is fixedly installed on the outer wall of the round rod 11, so that the support plate 12 can rotate and stop with the fixed plate 14 on one side of the round rod 11.

[0032] A strip hole 18 is provided at one end of the rotating plate 17 away from the extrusion port, and a rotating seat 19 is rotatably connected in the strip hole 18. The cylinder 15 is fixedly mounted on the outer wall of the fixed plate 14 away from the extrusion port at one end, and the output end of the cylinder 15 is fixedly connected to one end of the rotating seat 19. By rotating the rotating plate 17 and the fixed plate 14 with the extrusion port at one end to the oil pipe side of the upper end of the single crystal silicon differential pressure sensor, the oil pipe can be squeezed and sealed by contracting or extending the output end of the cylinder 15.

[0033] When the device is working, the sensor is placed in the corresponding position of the tooling, the tooling is clamped by cylinder 12, and then the high-pressure air pump is started to pressurize both sides of the sensor. This step is to control the balance of the oil volume on both sides of the differential pressure sensor; move the fixed plate 14 and the rotating plate 17 to the position of the sensor oil filling pipe, start cylinder 2 15 to push and apply a large force to the oil pipe using the lever principle, so that the oil pipe is sealed, and then remove cylinder 2 to take out the sensor.

[0034] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel single crystal silicon differential pressure sensor rapid tube sealing device, comprising: A placement plate (1), a cylinder 1 (2) and a cylinder 2 (15), wherein the cylinder 1 (2) is fixedly mounted on one side of the upper end of the placement plate (1), and a clamping block (5) is fixedly mounted on the other side of the upper end of the placement plate (1), characterized in that a push block (3) is fixedly mounted on the output end of the cylinder 1 (2), and the lower end of the push block (3) is slidably connected to the upper end of the placement plate (1); A clamping groove (6) is provided on one side adjacent to the push block (3) and the clamping block (5); a connecting pipe (8) is installed at one end of the push block (3) and the clamping block (5); and a placement block (4) is installed between the push block (3) and the clamping block (5); A round rod (11) is threadedly connected to one side of the upper end of the placement plate (1), and a sealing component is rotatably connected to the round rod (11).

2. According to claim 1, a novel single crystal silicon differential pressure sensor rapid pipe sealing device is characterized in that: The placement block (4) is fixed to the upper end of the placement plate (1) by means of bolts, and an arc-shaped placement groove is provided at the upper end of the placement block (4).

3. According to claim 1, a novel single crystal silicon differential pressure sensor rapid pipe sealing device is characterized in that: One end of each of the push block (3) and the clamping block (5) is provided with a through hole (7), and the inner end of the through hole (7) is connected to the clamping groove (6).

4. According to claim 1, a novel single crystal silicon differential pressure sensor rapid pipe sealing device is characterized in that: A connector (9) is installed at one end of the connecting pipe (8), and the connecting pipe (8) is fixedly installed in the outer port of the through hole (7) through the connector (9).

5. According to claim 1, a novel single crystal silicon differential pressure sensor rapid pipe sealing device is characterized in that: A threaded hole (10) is provided on one side of the upper end of the placement plate (1), and an external thread is provided on the lower end of the round rod (11), and the external thread and the threaded hole (10) are threadedly connected.

6. The novel single crystal silicon differential pressure sensor rapid pipe sealing device according to claim 1 is characterized in that: The sealing component comprises a fixed plate (14) and a rotating plate (17); the front ends of the fixed plate (14) and the rotating plate (17) are rotatably connected via a rotating seat (16); and an extrusion port is provided at one end of the fixed plate (14) and the rotating plate (17) where the front ends are close to each other.

7. A novel single crystal silicon differential pressure sensor rapid pipe sealing device according to claim 6, characterized in that: A support plate (12) is fixedly mounted on one end of the fixed plate (14), and the support plate (12) is rotatably connected to the outer wall of the round rod (11) via a damping bearing (13).

8. The novel single crystal silicon differential pressure sensor rapid pipe sealing device according to claim 7 is characterized in that: A strip-shaped hole (18) is formed at one end of the rotating plate (17) away from the extrusion port, and a second rotating seat (19) is rotatably connected in the strip-shaped hole (18).

9. A novel single crystal silicon differential pressure sensor rapid pipe sealing device according to claim 8, characterized in that: The second cylinder (15) is fixedly mounted on the outer wall of the fixed plate (14) at one end away from the extrusion port, and the output end of the second cylinder (15) is fixedly connected to one end of the second rotating seat (19).