Sensor with multi-stage sealing structure

Abstract

The utility model discloses a sensor with a multistage sealing structure. The sensor comprises a sensor main body and a sensing head, a sensing head is arranged at one end of the sensor body, a connecting seat is arranged at the other end of the sensor body, a multi-stage sealing structure is arranged in the connecting seat, and a connecting wire is arranged at one end of the connecting seat; a protection structure is arranged at the connecting position of the connecting base and the connecting line, the multi-stage sealing structure comprises a sealing ring, a sealing ring, a first sealing groove and a second sealing groove, and the sealing ring is arranged on the outer side of one end of the sensor body in a sleeving mode. According to the utility model, by using the sealing ring and the first sealing groove, primary sealing can be carried out when the sensor main body and the connecting seat are connected, and after the sensor main body and the connecting seat are connected, the sealing ring can be clamped into the second sealing groove to carry out secondary sealing; therefore, multi-stage sealing of the joint of the sensor body and the connecting base is achieved, and the waterproof effect is better when the sensor is used.

Description

Technical Field

[0001] The utility model relates to the technical field of sensors, and particularly relates to a sensor with a multi-stage sealing structure. Background Art

[0002] A sensor is a detection device that can sense the information to be measured and transform the sensed information into an electrical signal or other required forms of information output according to certain rules to meet the requirements of information transmission, processing, storage, display, recording, and control. However, there are still some problems with traditional sensors when in use;

[0003] When a traditional sensor is connected, when the sensor head and its connecting seat are connected, it is very easy for water to enter the inside of the sensor through the connection when encountering water, resulting in damage to the components inside the sensor. Therefore, a sensor with a multi-stage sealing structure is needed to solve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a sensor with a multi-stage sealing structure to solve the defect that when the existing sensor is installed, water easily enters at the connection when encountering water.

[0005] To solve the above technical problems, the utility model provides the following technical solution: A sensor with a multi-stage sealing structure, including a sensor body and a sensing head; one end of the sensor body is provided with a sensing head, the other end of the sensor body is provided with a connecting seat, a multi-stage sealing structure is arranged inside the connecting seat, and one end of the connecting seat has a connecting wire; a protection structure is arranged at the connection between the connecting seat and the connecting wire. The multi-stage sealing structure includes a sealing ring, a sealing washer, a first sealing groove, and a second sealing groove. The sealing ring is sleeved on the outer side of one end of the sensor body.

[0006] Preferably, the sealing washer is arranged in the limiting groove on the outer side of one end of the sensor body, the first sealing groove is opened inside one end of the connecting seat, and the second sealing groove is opened at one end inside the connecting seat.

[0007] Preferably, the materials of the sealing ring and the sealing washer are both rubber.

[0008] Preferably, an external thread is arranged on the outer side of one end of the sensor body, an internal thread is arranged inside one end of the connecting seat, and a threaded connection is formed between the sensor body and the connecting seat.

[0009] Preferably, the protection structure includes a fixing cap, an upper semi-circular sleeve, a lower semi-circular sleeve, an insertion post and a slot. The lower semi-circular sleeve is arranged at the lower end of the installation position of the connecting wire and the connecting seat. The upper semi-circular sleeve is arranged at the upper end of the installation position of the connecting wire and the connecting seat. A slot is formed inside the top end of the upper semi-circular sleeve. The insertion post is arranged at the bottom end of the upper semi-circular sleeve. A fixing cap is arranged on the outer sides of one ends of the lower semi-circular sleeve and the upper semi-circular sleeve.

[0010] Preferably, the insertion post is inserted into the slot, and an interference fit is formed between the insertion post and the slot.

[0011] Preferably, the fixing cap is sleeved on the outer sides of the upper semi-circular sleeve and the lower semi-circular sleeve, and a threaded connection is formed between the fixing cap and the upper semi-circular sleeve and the lower semi-circular sleeve.

[0012] A sensor with a multi-stage sealing structure provided by the utility model has the following advantages:

[0013] By using the sealing ring and the first sealing groove, a preliminary seal can be achieved when the sensor main body and the connecting seat are connected. And after the connection between the sensor main body and the connecting seat is completed, the sealing ring will be clamped into the second sealing groove for a secondary seal, so as to realize the multi-stage seal at the connection between the sensor main body and the connecting seat, and make the waterproof effect better when in use.

[0014] By using the fixing cap and the upper semi-circular sleeve in cooperation, the connection part of the connecting wire and the connecting seat can be protected, preventing the connection part of the connecting wire and the connecting seat from breaking due to bending during long-term use, thereby improving the protection effect. Brief Description of the Drawings

[0015] Figure 1 It is a front view partial sectional structure schematic diagram of the utility model;

[0016] Figure 2 It is a side view partial sectional structure schematic diagram of the utility model;

[0017] Figure 3 It is a front view structure schematic diagram of the utility model;

[0018] Figure 4 It is a front view partial exploded structure schematic diagram of the utility model;

[0019] Figure 5 It is of the utility model Figure 1 Partial enlarged structure schematic diagram at A in;

[0020] Figure 6 It is an exploded structure schematic diagram of the protection structure of the utility model.

[0021] In the figure: 1. Sensor main body; 2. Sensing head; 3. Multi-stage sealing structure; 301. Sealing ring; 302. Sealing collar; 303. First sealing groove; 304. Second sealing groove; 4. Connecting wire; 5. Protection structure; 501. Fixed cap; 502. Upper semi-circular sleeve; 503. Lower semi-circular sleeve; 504. Insertion post; 505. Insertion slot; 6. Connection seat. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] The embodiments of the present invention provide a sensor with a multi-stage sealing structure, as Figures 1-6 shown, a sensor with a multi-stage sealing structure includes a sensor main body 1 and a sensing head 2; a sensing head 2 is provided at one end of the sensor main body 1, a connection seat 6 is provided at the other end of the sensor main body 1, a multi-stage sealing structure 3 is provided inside the connection seat 6, and a connecting wire 4 is provided at one end of the connection seat 6; a protection structure 5 is provided at the connection between the connection seat 6 and the connecting wire 4.

[0024] In a further preferred embodiment of the present invention, as Figures 1-6 shown: The multi-stage sealing structure 3 includes a sealing ring 301, a sealing collar 302, a first sealing groove 303 and a second sealing groove 304. The sealing ring 301 is sleeved on the outer side of one end of the sensor main body 1, the sealing collar 302 is arranged in the limiting groove on the outer side of one end of the sensor main body 1, a first sealing groove 303 is opened inside one end of the connection seat 6, the second sealing groove 304 is opened at one end inside the connection seat 6, and the materials of the sealing ring 301 and the sealing collar 302 are both rubber.

[0025] Specifically, when connecting the sensor main body 1 and the connection seat 6, the sealing ring 301 is sleeved on the outer side of one end of the sensor main body 1, and then the sealing collar 302 is installed in the limiting groove on the outer side of one end of the sensor main body 1. After the installation is completed, the connection seat 6 is rotated. As the connection seat 6 rotates at one end, the sensor main body 1 and the connection seat 6 are connected together. After the connection is completed, the sealing ring 301 will be stuck into the inside of the sealing collar 302 for preliminary sealing, and the sealing collar 302 will be stuck into the inside of the second sealing groove 304 for secondary sealing, so as to realize the multi-stage sealing work at the connection between the sensor main body 1 and the connection seat 6, making its waterproof effect better.

[0026] In a further preferred embodiment of the present invention, as Figures 1-6As shown: The protection structure 5 includes a fixing cap 501, an upper semi-circular sleeve 502, a lower semi-circular sleeve 503, a plug post 504 and a slot 505. The lower semi-circular sleeve 503 is arranged at the lower end of the installation position of the connecting wire 4 and the connecting seat 6, and the upper semi-circular sleeve 502 is arranged at the upper end of the installation position of the connecting wire 4 and the connecting seat 6. A slot 505 is formed inside the top end of the upper semi-circular sleeve 502. The plug post 504 is arranged at the bottom end of the upper semi-circular sleeve 502. A fixing cap 501 is arranged on the outer side of one end of the lower semi-circular sleeve 503 and the upper semi-circular sleeve 502. The plug post 504 is inserted into the inside of the slot 505, and an interference fit is formed between the plug post 504 and the slot 505. The fixing cap 501 is sleeved on the outer sides of the upper semi-circular sleeve 502 and the lower semi-circular sleeve 503, and a threaded connection is formed between the fixing cap 501 and the upper semi-circular sleeve 502 and the lower semi-circular sleeve 503.

[0027] Specifically, when the sensor main body 1 is in use, the lower semi-circular sleeve 503 is installed at the lower end of the installation position of the connecting wire 4 and the connecting seat 6, and then the upper semi-circular sleeve 502 is installed at the upper end of the installation position of the connecting wire 4 and the connecting seat 6. After the installation is completed, the upper semi-circular sleeve 502 and the lower semi-circular sleeve 503 are squeezed, so that the plug post 504 is squeezed into the inside of the slot 505, and the fixing cap 501 and the upper semi-circular sleeve 502 are installed together. At this time, the fixing cap 501 is rotated and installed on the outer sides of the fixing cap 501 and the upper semi-circular sleeve 502, so that the fixing cap 501 and the upper semi-circular sleeve 502 will not fall off after installation. The materials of the upper semi-circular sleeve 502 and the lower semi-circular sleeve 503 are rubber, thereby completing the protection work for the connection part of the connecting wire 4 and the connecting seat 6, and preventing it from breaking due to bending during long-term use.

[0028] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A sensor with a multi - stage sealing structure, comprising a sensor body (1) and a sensing head (2); Characterized in that: One end of the sensor body (1) is provided with a sensing head (2), the other end of the sensor body (1) is provided with a connection seat (6), a multi - stage sealing structure (3) is arranged inside the connection seat (6), and a connecting wire (4) is provided at one end of the connection seat (6); A protection structure (5) is arranged at the connection between the connection seat (6) and the connecting wire (4). The multi - stage sealing structure (3) includes a sealing ring (301), a sealing collar (302), a first sealing groove (303) and a second sealing groove (304). The sealing ring (301) is sleeved on the outer side of one end of the sensor body (1).

2. The sensor with a multi-stage sealing structure according to claim 1, characterized in that: The sealing collar (302) is arranged in the limiting groove on the outer side of one end of the sensor body (1). The first sealing groove (303) is opened inside one end of the connection seat (6), and the second sealing groove (304) is opened at one end inside the connection seat (6).

3. The sensor with a multi-stage sealing structure according to claim 2, wherein: The materials of the sealing ring (301) and the sealing collar (302) are both rubber.

4. A sensor with a multi-stage sealing structure according to claim 1, characterized in that: External threads are arranged on the outer side of one end of the sensor body (1), internal threads are arranged inside one end of the connection seat (6), and a threaded connection is formed between the sensor body (1) and the connection seat (6).

5. The sensor with a multi-stage sealing structure according to claim 1, characterized in that: The protection structure (5) includes a fixing cap (501), an upper semi - circular sleeve (502), a lower semi - circular sleeve (503), a plug post (504) and a slot (505). The lower semi - circular sleeve (503) is arranged at the lower end of the installation part of the connecting wire (4) and the connection seat (6), the upper semi - circular sleeve (502) is arranged at the upper end of the installation part of the connecting wire (4) and the connection seat (6). A slot (505) is opened inside the top end of the upper semi - circular sleeve (502), the plug post (504) is arranged at the bottom end of the upper semi - circular sleeve (502), and a fixing cap (501) is arranged on the outer sides of one ends of the lower semi - circular sleeve (503) and the upper semi - circular sleeve (502).

6. The sensor with a multi-stage sealing structure according to claim 5, wherein: The plug post (504) is inserted into the slot (505), and an interference fit is formed between the plug post (504) and the slot (505).

7. A sensor with a multi-stage sealing structure according to claim 5, characterized in that: The fixing cap (501) is sleeved on the outer sides of the upper semi - circular sleeve (502) and the lower semi - circular sleeve (503), and a threaded connection is formed between the fixing cap (501) and the upper semi - circular sleeve (502) and the lower semi - circular sleeve (503).

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