A sealing structure for silicon pressure sensor

Abstract

The utility model relates to the technical field of sealing structures, specifically a sealing structure for a silicon pressure sensor, comprising a sealing structure body, the sealing structure body comprising a sensing head, the outer surface of the sensing head is connected to a first connecting plate, and the inner wall of the first connecting plate is connected to a receiving assembly, a side surface of the first connecting plate is connected to a second connecting plate, and the bottom outer surface of the sensing head is sleeved with a sealing assembly; the receiving assembly comprises a first clamping block, a first spring and an inner connecting groove, and the outer surface of the first connecting plate is connected to the first clamping block. The sealing structure for the silicon pressure sensor can effectively and conveniently connect the first connecting plate and the second connecting plate by setting the receiving assembly, so as to facilitate the synchronous support of the two groups of sensing heads, and the device can effectively and conveniently increase the sealing effect of the sensing head when it is connected by setting the sealing assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing structures, in particular to a sealing structure for a silicon pressure sensor. Background Art

[0002] A pressure sensor is a device or apparatus that can sense pressure signals and convert them into usable output electrical signals according to certain rules.

[0003] For example, Publication No. 202220885972.3 discloses a pressure sensor sealing structure, including a sensor, the right side of the sensor is connected with a butt-joint pipe, the top and bottom of the inner cavity of the butt-joint pipe are fixedly connected with a trapezoidal plate, the inner cavity of the trapezoidal plate is longitudinally fixedly connected with a fixing rod, the surface of the fixing rod is slidably sleeved with a sliding sleeve, the right side of the sliding sleeve is fixedly connected with a connecting column, the right side of the connecting column passes through the right side of the trapezoidal plate and is fixedly connected with a connecting sleeve, the inner cavity of the connecting sleeve is provided with a sealing ring, the surface of the connecting column and the inside of the trapezoidal plate are fixedly connected with an oblique plate, and the front end and the back end of the top of the inner wall of the trapezoidal plate are fixedly connected with a limiting plate. The utility model solves the problem that the existing pressure sensor does not have a sealing function, resulting in leakage of the pressure sensor during operation, reduces the loss of the pressure sensor during use, and increases the safety of the pressure sensor.

[0004] At present, some existing sensors generally use dual sensors, one for use and one for backup, to monitor data when they are working. However, the traditional sensor sealing method is only to seal by wrapping raw tape at the connection. However, the amount of raw tape used depends entirely on the work experience of the staff, which makes the sealing work more cumbersome. In addition, the working functions of some existing sensors are relatively single, which may lead to certain limitations in the installation of sensors. Therefore, a sealing structure for silicon pressure sensors is urgently needed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a sealing structure for a silicon pressure sensor to solve the problem that the existing partial sensor sealing method proposed in the above background technology has complicated sealing work and a relatively single function, which may lead to certain limitations in installation.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A sealing structure for a silicon pressure sensor, comprising a sealing structure body, the sealing structure body comprising a sensing head, the outer surface of the sensing head is connected to a first connecting plate, the inner wall of the first connecting plate is connected to a receiving assembly, a side surface of the first connecting plate is connected to a second connecting plate, and the outer surface of the bottom end of the sensing head is sleeved with a sealing assembly;

[0008] The receiving assembly includes a first clamping block, a first spring and an inner connecting groove. The outer surface of the first connecting plate is connected to the first clamping block, and the outer surface of the first clamping block abuts against the inner connecting groove. The inner wall of the inner connecting groove abuts against the first spring.

[0009] Preferably, the sealing assembly includes an inner covering shell, a first connecting seat, a threaded rod, a first stopper, a first rotating shaft and a first receiving seat, the outer surface of the bottom end of the first connecting plate is connected to the first receiving seat, and the inner wall of the first receiving seat is connected to the inner covering shell, the outer surface of the inner covering shell is connected to the first connecting seat, and the inner wall of the first connecting seat is connected to the first rotating shaft, the outer surface of the first rotating shaft is connected to the threaded rod, and the outer surface of the threaded rod is sleeved with the first stopper.

[0010] Preferably, the inner covering shell has a conical shape, and two groups of inner covering shells are provided.

[0011] Preferably, one end of the first spring is connected to the inner wall of the first clamping block, and the other end of the first spring abuts against the inside of the inner connecting groove.

[0012] Preferably, the internal shape and size of the inner connecting groove are matched with the external surface shape and size of the first clamping block.

[0013] Preferably, two groups of the first connecting seats are provided, and the two groups of the first connecting seats are evenly connected to the outer surface of the inner covering shell at equal distances.

[0014] Preferably, a thread groove is formed on the inner wall of the first stopper, and the internal thread shape of the thread groove is matched with the external thread shape of the threaded rod.

[0015] Preferably, four groups of the first receiving seats are provided, and the four groups of the first receiving seats are connected to the outer surfaces of the first connecting plate and the second connecting plate in groups of two.

[0016] Compared with the prior art, the beneficial effects of the utility model are: the sealing structure for the silicon pressure sensor can effectively and conveniently connect the first connecting plate and the second connecting plate by setting a receiving component, so as to facilitate the synchronous support of the two groups of sensing heads, and the device can effectively and conveniently increase the sealing effect of the sensing head when connecting by setting a sealing component.

[0017] 1. The device is provided with a receiving assembly. When the staff needs to install the sensing head, they can first manually hold the first connecting plate and connect the first connecting plate and the second connecting plate, and then manually rotate the first clamping block connected to the outer surface of the first connecting plate counterclockwise by 90 degrees, and then insert it into the inner connecting groove on the outer surface of the second connecting plate, and make the first spring connected to the inner wall of the first clamping block abut against the inner wall of the inner connecting groove, and then when the first clamping block is completely inserted into the inner connecting groove, the interior of the inner connecting groove is a hollow circular cavity, and the first clamping block can be rotated clockwise to make the first clamping block engage with the outer surface of the second connecting plate, thereby facilitating the connection between the second connecting plate and the first connecting plate, so as to facilitate the synchronous support of the two groups of sensing heads.

[0018] 2. The device is provided with a sealing assembly. When the staff is working, they can first manually hold the first stopper and rotate the first stopper in the opposite direction along the outer surface of the threaded rod to open the first stopper, and then open the inner covering shell and put the inner covering shell on the outer surface of the bottom end of the sensing head. Then, the inner covering shell can be closed and the threaded rod can be closed. Then, the first stopper can be rotated in the forward direction so that the first stopper can pull the left and right sides of the inner covering shell through the threaded action, so as to facilitate the inner covering shell to be sealed and fixed to the bottom end surface of the sensing head, thereby effectively increasing the sealing effect during connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the utility model;

[0021] Figure 3 It is a schematic diagram of a top view cross section of the structure of the utility model;

[0022] Figure 4 For this utility model Figure 2 A schematic diagram of the enlarged structure at point A in the middle.

[0023] In the figure: 1, sensor head; 2, first connecting plate; 3, inner covering shell; 4, first clamping block; 5, first spring; 6, inner connecting groove; 7, first connecting seat; 8, threaded rod; 9, first stopper; 10, first rotating shaft; 11, first receiving seat; 12, second connecting plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0025] See also Figure 1-4 , an embodiment provided by the utility model:

[0026] A sealing structure for a silicon pressure sensor, comprising a sealing structure body, the sealing structure body comprising a sensing head 1, the outer surface of the sensing head 1 is connected to a first connecting plate 2, the inner wall of the first connecting plate 2 is connected to a receiving component, a side surface of the first connecting plate 2 is connected to a second connecting plate 12, and the bottom outer surface of the sensing head 1 is sleeved with a sealing component;

[0027] The receiving assembly includes a first clamping block 4, a first spring 5 and an inner connecting groove 6. The outer surface of the first connecting plate 2 is connected to the first clamping block 4, and the outer surface of the first clamping block 4 abuts the inner connecting groove 6. The inner wall of the inner connecting groove 6 abuts the first spring 5. By providing the receiving assembly, the first connecting plate 2 and the second connecting plate 12 can be effectively and conveniently connected to facilitate the synchronous use of the two groups of sensor heads 1.

[0028] Furthermore, the sealing assembly includes an inner covering shell 3, a first connecting seat 7, a threaded rod 8, a first stopper 9, a first rotating shaft 10 and a first receiving seat 11. The outer surface of the bottom end of the first connecting plate 2 is connected to the first receiving seat 11, and the inner wall of the first receiving seat 11 is connected to the inner covering shell 3, the outer surface of the inner covering shell 3 is connected to the first connecting seat 7, and the inner wall of the first connecting seat 7 is connected to the first rotating shaft 10, the outer surface of the first rotating shaft 10 is connected to the threaded rod 8, and the outer surface of the threaded rod 8 is sleeved with the first stopper 9. By setting the sealing assembly, the connection of the sensor head 1 can be effectively and conveniently sealed.

[0029] Furthermore, the shape and structure of the inner covering shell 3 is conical, and two groups of the inner covering shell 3 are provided. By providing two groups of the inner covering shell 3, the fixing effect of the sensor head 1 can be effectively increased.

[0030] Furthermore, one end of the first spring 5 is connected to the inner wall of the first block 4, and the other end of the first spring 5 abuts against the inside of the inner connecting groove 6. The elastic force of the first spring 5 can effectively and conveniently increase the clamping connection effect between the first block 4 and the inner connecting groove 6.

[0031] Furthermore, the internal shape and size of the inner connecting groove 6 are matched with the shape and size of the outer surface of the first clamping block 4, and the matched shapes and sizes can effectively increase the tightness of the connection.

[0032] Furthermore, two groups of first connecting seats 7 are provided, and the two groups of first connecting seats 7 are evenly connected to the outer surface of the inner covering shell 3 at equal distances. By providing two groups of first connecting seats 7, the sealing effect can be effectively increased.

[0033] Furthermore, a thread groove is formed on the inner wall of the first stopper 9, and the internal thread shape of the thread groove is matched with the outer surface thread shape of the threaded rod 8, and the matched shape and size can effectively increase the tightness of the connection.

[0034] Furthermore, four groups of first receiving seats 11 are provided, and the four groups of first receiving seats 11 are connected to the outer surfaces of the first connecting plate 2 and the second connecting plate 12 in groups of two. The four groups of first receiving seats 11 can effectively support the sensor head 1.

[0035] Working principle: When the staff needs to install the sensing head 1, they can first manually hold the first connecting plate 2 and connect the first connecting plate 2 to the second connecting plate 12, and then manually rotate the first clamping block 4 connected to the outer surface of the first connecting plate 2 counterclockwise ninety degrees, and then insert it into the inner connecting groove 6 on the outer surface of the second connecting plate 12, and make the first spring 5 connected to the inner wall of the first clamping block 4 abut against the inner wall of the inner connecting groove 6, and then when the first clamping block 4 is completely inserted into the inner connecting groove 6, the interior of the inner connecting groove 6 is a hollow circular cavity, and the first clamping block 4 can be rotated clockwise so that the first clamping block 4 is engaged with the outer surface of the second connecting plate 12, thereby facilitating the connection between the second connecting plate 12 and the first connecting plate 2, so that the two sets of sensing heads 1 can be supported synchronously.

[0036] When the staff is working, they can first manually hold the first stopper 9 and rotate the first stopper 9 in the opposite direction along the outer surface of the threaded rod 8 to open the first stopper 9, and then open the inner covering shell 3, and put the inner covering shell 3 on the outer surface of the bottom end of the sensing head 1, and then close the inner covering shell 3 and the threaded rod 8, and then rotate the first stopper 9 forward so that the first stopper 9 can pull the left and right sides of the inner covering shell 3 through the threaded action, so as to facilitate the inner covering shell 3 to be sealed and fixed to the bottom end surface of the sensing head 1, thereby effectively increasing the sealing effect during connection.

[0037] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A sealing structure for a silicon pressure sensor, comprising a sealing structure body, characterized in that: The sealing structure body comprises a sensing head (1), the outer surface of the sensing head (1) is connected to a first connecting plate (2), the inner wall of the first connecting plate (2) is connected to a receiving assembly, a side surface of the first connecting plate (2) is connected to a second connecting plate (12), and the outer surface of the bottom end of the sensing head (1) is sleeved with a sealing assembly; The receiving assembly comprises a first clamping block (4), a first spring (5) and an inner connecting groove (6); the outer surface of the first connecting plate (2) is connected to the first clamping block (4), the outer surface of the first clamping block (4) abuts against the inner connecting groove (6), and the inner wall of the inner connecting groove (6) abuts against the first spring (5).

2. A sealing structure for a silicon pressure sensor according to claim 1, characterized in that: The sealing assembly comprises an inner covering shell (3), a first connecting seat (7), a threaded rod (8), a first stopper (9), a first rotating shaft (10) and a first receiving seat (11); the outer surface of the bottom end of the first connecting plate (2) is connected to the first receiving seat (11), and the inner wall of the first receiving seat (11) is connected to the inner covering shell (3); the outer surface of the inner covering shell (3) is connected to the first connecting seat (7), and the inner wall of the first connecting seat (7) is connected to the first rotating shaft (10); the outer surface of the first rotating shaft (10) is connected to the threaded rod (8), and the outer surface of the threaded rod (8) is sleeved with the first stopper (9).

3. A sealing structure for a silicon pressure sensor according to claim 2, characterized in that: The inner covering shell (3) has a conical shape, and two groups of inner covering shells (3) are provided.

4. The sealing structure for a silicon pressure sensor according to claim 1, characterized in that: One end of the first spring (5) is connected to the inner wall of the first clamping block (4), and the other end of the first spring (5) abuts against the inside of the inner connecting groove (6).

5. The sealing structure for a silicon pressure sensor according to claim 1, characterized in that: The internal shape and size of the inner connecting groove (6) are matched to the shape and size of the outer surface of the first clamping block (4).

6. The sealing structure for a silicon pressure sensor according to claim 2, characterized in that: Two groups of the first connecting seats (7) are provided, and the two groups of the first connecting seats (7) are evenly connected to the outer surface of the inner covering shell (3) at equal distances.

7. The sealing structure for a silicon pressure sensor according to claim 2, characterized in that: The inner wall of the first stopper (9) is provided with a thread groove, and the internal thread shape of the thread groove is matched with the outer surface thread shape of the threaded rod (8).

8. The sealing structure for a silicon pressure sensor according to claim 2, characterized in that: Four groups of the first receiving seats (11) are provided, and the four groups of the first receiving seats (11) are connected to the outer surfaces of the first connecting plate (2) and the second connecting plate (12) in groups of two.

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