Sensor assembly

Abstract

The utility model relates to the technical field of sensors, and discloses a sensor assembly comprising a pressure sensor body which is cylindrical, and one end of the pressure sensor body is fixedly provided with a pressure detection head; the connecting structure comprises a connecting part and a reinforcing part, the connecting part comprises a first threaded sleeve fixedly mounted in the pressure sensor body, a pin slot is formed in the pressure sensor body, and two groups of clamping slots are formed in the outer wall of the pressure sensor body; the reinforcing part comprises two groups of second fixing plates fixedly mounted on the outer wall of the pressure sensor body, and first limiting holes are formed in the second fixing plates, so that the purposes of connecting and reinforcing the sensor are achieved, the connecting effect of the sensor is improved, the connecting part is protected, the joint is limited and fixed, and the connecting effect of the sensor is improved; and the interface is reinforced through two connection modes, so that the use stability of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of sensors, and in particular relates to a sensor assembly. Background Art

[0002] As a detection device, a sensor can sense the information being measured and convert it into electrical signals or other required forms of information output according to certain rules to meet the requirements of information transmission, processing, storage, display, recording and control. With the continuous development of science and technology, sensors have been widely used in various fields.

[0003] The utility model with announcement number CN221445337U discloses a pressure sensor assembly, including a lower clamp and an air duct disposed within the lower clamp. The top of the air duct is fixed with an upper tube seat, and the outer walls of the upper tube seat are provided with side hoops for bolting to the lower clamp. The top of the upper tube seat is installed with a pressure shunt tube, and the top of the upper tube seat is fixed with an internally threaded butt sleeve, and the pressure sensor body is disposed above the internally threaded butt sleeve. The utility model adopts a three-sealing layer structural design, which helps to disperse the pressure and friction at the connection, reduce the load on the sealing ring, and thus extend the service life of the seal. The three sealing layers constitute a multi-level security guarantee. If a problem occurs in one sealing layer, the other sealing layers still play a protective role, helping to prevent system safety hazards caused by single point failures.

[0004] However, the above patent still has the following problems: during the use of the pressure sensor, the line needs to be constantly plugged and unplugged. After long-term use, the connection becomes loose, affecting the test effect of the sensor, making the device inconvenient to use. The connection between the wire and the sensor is easily bent, which is the most vulnerable position. The protection effect on this area is not good, affecting the service life of the sensor, and making the device inconvenient to use.

[0005] In view of this, the present utility model is proposed. Utility Model Content

[0006] In order to solve the above-mentioned technical problem of loose sensor connection, the basic concept of the technical solution adopted by the present invention is:

[0007] A sensor assembly comprising:

[0008] The pressure sensor body is cylindrical, and a pressure detection head is fixedly installed at one end of the pressure sensor body;

[0009] The connection structure includes a connection portion and a reinforcement portion. The connection portion includes a first threaded sleeve fixedly mounted inside the pressure sensor body. The pressure sensor body is provided with a pin slot inside, and the outer wall of the pressure sensor body is provided with two sets of clamping slots. The reinforcement portion includes two sets of second fixing plates fixedly mounted on the outer wall of the pressure sensor body. The second fixing plates are provided with a first limiting hole inside. A plug is provided outside the pressure sensor body. Two sets of third fixing plates are fixedly mounted on the outer wall of the plug. The third fixing plates are provided with a second limiting hole inside.

[0010] The first fixed ring plate is fixedly mounted on the outer wall of the pressure sensor body.

[0011] As a preferred embodiment of the present utility model, the connecting part also includes a first fixed sleeve fixedly installed on one end of the plug, two sets of pressing buckle plates are fixedly installed on the outer wall of the first fixed sleeve, and the pressing buckle plates are clamped and installed inside the clamping groove. A pin is fixedly installed on one end of the first fixed sleeve, and a second threaded sleeve is fixedly installed on the outer wall of the pin, and the second threaded sleeve is spirally installed inside the first threaded sleeve.

[0012] As a preferred embodiment of the present invention, the reinforcement portion further includes two sets of second limiting bolts arranged on the outside of the plug, and the second limiting bolts are screwedly installed inside the second limiting hole and the first limiting hole.

[0013] As a preferred embodiment of the present invention, the reinforcement part also includes two groups of first fixing plates fixedly installed on the outer wall of the first fixing ring plate, a first limiting bolt is provided inside the first fixing plate, and the pin is clamped and installed inside the pin groove.

[0014] As a preferred embodiment of the present invention, a first threaded groove is provided inside the plug, a data cable is fixedly installed inside the plug, a first limiting ring plate is sleeved on the outer wall of the data cable, and a third threaded sleeve is fixedly installed at one end of the first limiting ring plate.

[0015] As a preferred embodiment of the present invention, two sets of push blocks are fixedly mounted on the outer wall of the first limiting ring plate, and the third threaded sleeve is spirally mounted inside the first threaded groove.

[0016] As a preferred embodiment of the present invention, one side outer wall of the pressure sensor body is in close contact with one side outer wall of the plug, and two sets of hexagonal nuts are provided on the outside of the plug, which are screwed onto the outer wall of the second limiting bolt.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. Achieve the purpose of connecting and reinforcing the sensor, improve the connection effect of the sensor, protect the connection, limit and fix the joint, improve the connection effect of the sensor, reinforce the interface through two connection methods, and improve the stability of the device.

[0019] 2. Achieve the purpose of protecting the wires, extend the durability of the wires, reduce the loss of the wires caused by bending, and extend the service life of the device.

[0020] 3. Achieve the purpose of auxiliary fixation of the device, improve the fixing strength of the device, facilitate the operator to plug and unplug the sensor, reduce the looseness of the plug, and improve the convenience of using the device.

[0021] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In the attached figure:

[0023] Figure 1 This is a schematic structural diagram of the pressure detection head of the utility model;

[0024] Figure 2 This is a schematic diagram of the structure of the pressure sensor body of the utility model;

[0025] Figure 3 This is a schematic diagram of the pin slot structure of the utility model;

[0026] Figure 4 This is an exploded view of the pressure sensor body and the first limiting bolt of the present utility model;

[0027] Figure 5 This is an exploded view of the third fixing plate and the second limiting bolt of the present invention;

[0028] Figure 6 This is a schematic diagram of the first thread groove structure of the utility model;

[0029] Figure 7 This is a schematic diagram of the first limiting ring plate structure of the present utility model.

[0030] In the figure: 10. Pressure sensor body; 11. Pressure detection head; 12. First fixing ring plate; 13. First fixing plate; 14. First limiting bolt; 15. Pin groove; 16. First threaded sleeve; 17. Clamping groove; 18. Second fixing plate; 19. First limiting hole; 20. Plug; 21. First fixing sleeve; 22. Press-fit plate; 23. Pin; 24. Second threaded sleeve; 25. Third fixing plate; 26. Second limiting hole; 27. First threaded groove; 28. Data cable; 29. ​​First limiting ring plate; 30. Third threaded sleeve; 31. Push block; 32. Second limiting bolt; 33. Hexagonal nut. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention.

[0032] Example 1: A sensor assembly, specifically Figure 1 、 Figure 2 、 Figure 3 and Figure 5 As shown, the device comprises a cylindrical pressure sensor body 10 with a pressure probe 11 fixedly mounted on one end thereof; a connecting structure comprising a connecting portion and a reinforcing portion. The connecting portion comprises a first threaded sleeve 16 fixedly mounted within the pressure sensor body 10, a pin slot 15 provided within the pressure sensor body 10, and two sets of engaging slots 17 defined on the outer wall of the pressure sensor body 10; a reinforcing portion comprising two sets of second fixing plates 18 fixedly mounted on the outer wall of the pressure sensor body 10, each with a first limiting hole 19 defined therein; a plug 20 provided on the outer wall of the pressure sensor body 10, two sets of third fixing plates 25 fixedly mounted on the outer wall of the plug 20, each with a second limiting hole 26 defined therein; and a first fixing ring plate 12 fixedly mounted on the outer wall of the pressure sensor body 10. The connecting structure reinforces and protects the sensor connection.

[0033] Specific as Figure 1 、 Figure 3 and Figure 5As shown, the connection part also includes a first fixed sleeve 21 fixedly mounted on one end of the plug 20. Two sets of pressing buckle plates 22 are fixedly mounted on the outer wall of the first fixed sleeve 21. The pressing buckle plates 22 are clamped and mounted inside the clamping groove 17. A pin 23 is fixedly mounted on one end of the first fixed sleeve 21. A second threaded sleeve 24 is fixedly mounted on the outer wall of the pin 23. The second threaded sleeve 24 is screwed into the interior of the first threaded sleeve 16. Push the plug 20 and push the first fixed sleeve 21 into the interior of the pressure sensor body 10.

[0034] Rotate the plug 20 , screw the second threaded sleeve 24 into the first threaded sleeve 16 , snap-fit ​​the pin 23 into the pin slot 15 , and snap-fit ​​the pressing plate 22 into the snap-fit ​​slot 17 .

[0035] Specific as Figure 1 and Figure 5 As shown, the reinforcement portion further includes two sets of second limiting bolts 32 disposed on the exterior of the plug 20. The second limiting bolts 32 are screwed into the interiors of the second limiting holes 26 and the first limiting holes 19. The second limiting bolts 32 are rotated to sequentially screw into the interiors of the second limiting holes 26 and the first limiting holes 19.

[0036] Specific as Figure 1 、 Figure 3 、 Figure 4 and Figure 5 As shown, the reinforcement portion also includes two sets of first fixing plates 13 fixedly mounted on the outer wall of the first fixing ring plate 12. First limiting bolts 14 are installed inside the first fixing plates 13, and the pins 23 are snap-fitted into the pin slots 15. By rotating the first limiting bolts 14, they are screwed into the interior of the first fixing plates 13, securing the first fixing ring plate 12 to the bracket or tabletop.

[0037] According to the above conclusions, through the structure of the pressure sensor body 10, the pressure detection head 11, the first fixing ring plate 12, the first fixing plate 13, the first limiting bolt 14, the pin groove 15, the first threaded sleeve 16, the clamping groove 17, the second fixing plate 18, the first limiting hole 19, the plug 20, the first fixing sleeve 21, the pressing buckle plate 22, the pin 23, the second threaded sleeve 24, the second limiting hole 26 and the second limiting bolt 32, the purpose of connecting and reinforcing the sensor is achieved, the connection effect of the sensor is improved, the connection is protected, the joint is limited and fixed, the connection effect of the sensor is improved, the interface is reinforced through two connection methods, and the stability of the device is improved.

[0038] Example 2: Based on Example 1, the specific example is as follows Figure 1 、 Figure 6 and Figure 7As shown, a first threaded groove 27 is opened inside the plug 20, a data line 28 is fixedly installed inside the plug 20, a first limiting ring plate 29 is sleeved on the outer wall of the data line 28, and a third threaded sleeve 30 is fixedly installed at one end of the first limiting ring plate 29.

[0039] Specific as Figure 1 、 Figure 6 and Figure 7 As shown, two sets of push blocks 31 are fixedly mounted on the outer wall of the first limiting ring plate 29, and the third threaded sleeve 30 is screwed into the interior of the first threaded groove 27. Turning the push blocks 31 rotates the first limiting ring plate 29, screwing the third threaded sleeve 30 into the interior of the first threaded groove 27, and protecting the data cable 28 through the first limiting ring plate 29.

[0040] According to the above conclusions, through the structure of the first thread groove 27, the data line 28, the first limiting ring plate 29, the third threaded sleeve 30 and the push block 31, the purpose of protecting the wires is achieved, the durability of the wires is extended, the loss of the wires caused by bending is reduced, and the service life of the device is extended.

[0041] Example 3: Based on Example 1 and Example 2, the specific example is as follows Figure 1 、 Figure 2 、 Figure 5 and Figure 6 As shown, the outer wall of the pressure sensor body 10 is tightly attached to the outer wall of the plug 20. Two sets of hexagonal nuts 33 are provided on the outside of the plug 20. The hexagonal nuts 33 are screwed onto the outer wall of the second stop bolt 32. The hexagonal nuts 33 are rotated until they are attached to the outer wall of the second stop bolt 32, thereby securing the second stop bolt 32 in position.

[0042] To sum up, the structure of the plug 20, the second limiting bolt 32 and the hexagonal nut 33 can achieve the purpose of auxiliary fixation of the device, improve the fixing strength of the device, facilitate the operator to plug and unplug the sensor, reduce the looseness of the plug, and improve the convenience of using the device.

[0043] Working principle: When the sensor needs to be connected, first push the plug 20 and push the first fixing sleeve 21 to the inside of the pressure sensor body 10. Rotate the plug 20 so that the second threaded sleeve 24 is screwed onto the inside of the first threaded sleeve 16. At the same time, the pin 23 is snap-fitted into the inside of the pin slot 15 to achieve preliminary connection of the electrical signal. The pressing buckle plate 22 is snap-fitted into the inside of the snap-fitting slot 17 to achieve preliminary fixation of the plug 20 and the pressure sensor body 10. Rotate the second limiting bolt 32 and screw it into the inside of the second limiting hole 26 and the first limiting hole 19 to further enhance the stability of the connection structure. A first threaded groove 27 is also provided inside the plug 20, and the third threaded sleeve 30 is screwed together with the first limiting ring plate 29. The first limiting ring plate 29 protects the data line 28 to improve the durability and safety of the data line. Rotate the hexagonal nut 33 and screw it onto the outer wall of the second limiting bolt 32 to limit the second limiting bolt 32 to ensure the stability and safety of the connection structure.

[0044] It is understood that the present invention is described by way of certain embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. Furthermore, under the guidance of the present invention, these features and embodiments may be modified to suit specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are intended to be protected by the present invention.

Claims

1. A sensor assembly, characterized in that: include: A pressure sensor body (10) is cylindrical, and a pressure detection head (11) is fixedly mounted on one end of the pressure sensor body (10); A connection structure, comprising a connection portion and a reinforcement portion, wherein the connection portion comprises a first threaded sleeve (16) fixedly mounted inside a pressure sensor body (10), a pin slot (15) being provided inside the pressure sensor body (10), and two groups of clamping slots (17) being provided on the outer wall of the pressure sensor body (10); the reinforcement portion comprises two groups of second fixing plates (18) fixedly mounted on the outer wall of the pressure sensor body (10), a first limiting hole (19) being provided inside the second fixing plates (18), a plug (20) being provided outside the pressure sensor body (10), two groups of third fixing plates (25) being fixedly mounted on the outer wall of the plug (20), and a second limiting hole (26) being provided inside the third fixing plates (25); A first fixed ring plate (12) is fixedly mounted on the outer wall of the pressure sensor body (10).

2. The sensor assembly according to claim 1, characterized in that: The connecting portion further comprises a first fixed sleeve (21) fixedly mounted on one end of the plug (20); two sets of pressing buckle plates (22) are fixedly mounted on the outer wall of the first fixed sleeve (21); the pressing buckle plates (22) are snap-fitted into the interior of the snap-fit ​​groove (17); a pin (23) is fixedly mounted on one end of the first fixed sleeve (21); a second threaded sleeve (24) is fixedly mounted on the outer wall of the pin (23); and the second threaded sleeve (24) is screw-fitted into the interior of the first threaded sleeve (16).

3. The sensor assembly according to claim 1, characterized in that: The reinforcement portion further comprises two sets of second limiting bolts (32) arranged outside the plug (20), the second limiting bolts (32) being screwedly mounted inside the second limiting hole (26) and the first limiting hole (19).

4. The sensor assembly according to claim 1, characterized in that: The reinforcement portion further comprises two groups of first fixing plates (13) fixedly mounted on the outer wall of the first fixing ring plate (12); first limiting bolts (14) are provided inside the first fixing plates (13); and the insertion pins (23) are clamped and mounted inside the insertion pin slots (15).

5. The sensor assembly according to claim 1, characterized in that: A first threaded groove (27) is provided inside the plug (20), a data line (28) is fixedly installed inside the plug (20), a first limiting ring plate (29) is sleeved and installed on the outer wall of the data line (28), and a third threaded sleeve (30) is fixedly installed at one end of the first limiting ring plate (29).

6. The sensor assembly according to claim 5, characterized in that: Two groups of push blocks (31) are fixedly mounted on the outer wall of the first limiting ring plate (29), and the third threaded sleeve (30) is screwedly mounted inside the first threaded groove (27).

7. The sensor assembly according to claim 1, characterized in that: One side outer wall of the pressure sensor body (10) is in close contact with one side outer wall of the plug (20), and two groups of hexagonal nuts (33) are provided on the outside of the plug (20), and the hexagonal nuts (33) are screwed onto the outer wall of the second limiting bolt (32).

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