CN111623815A - Waterproof sensor of safety in production - Google Patents

Abstract

The invention discloses a waterproof sensor for safe production, which comprises a sensor shell and a detection end head arranged on the sensor shell, wherein a protective sleeve is wrapped outside the sensor shell, an opening and closing end head is arranged on one side, close to the detection end head, of the protective sleeve, and an opening and closing assembly connected with the opening and closing end head is arranged on the protective sleeve; the protective sleeve comprises a wrapping shell wrapping the sensor shell, a mounting and sealing assembly of the wrapping shell is arranged at the inner end of the wrapping shell, and a buffering and limiting assembly of the sensor shell is arranged at one end, far away from the mounting and sealing assembly, in the wrapping shell; through inlaying the sensor housing dress in the parcel shell of lag sleeve to installation seal assembly and the spacing subassembly of buffering that set up on the parcel shell are fixed the sensor housing centre gripping and are guaranteed the seal of parcel shell.

Description

A safety production waterproof sensor

technical field

The invention relates to the technical field of sensors, in particular to a waterproof sensor for safe production.

Background technique

A sensor is a detection device that can sense the measured information, and can transform the sensed information into electrical signals or other required forms of information output according to certain rules, so as to meet the requirements of information transmission, processing, storage and display. , recording and control requirements. With the advent of the "Internet +" era, the application of Internet of Things technology in environmental monitoring is becoming more and more extensive, and wireless sensor network, as a key technology in the field of Internet of Things technology, is the core of information perception in the physical world. The wireless sensor network is composed of many sensor nodes, and the sensor node module collects environmental information, transmits information through networking and wireless communication, and cooperates to complete some specific functions. The application of wireless sensor network in the field of environmental monitoring can give full play to the information collection ability of wireless sensor network of multiple sensors.

When the sensor is used to detect the liquid level, temperature, flow and other parameters of the liquid, the sensor needs to be extended below the liquid level. The traditional sensor has poor waterproof effect. Sensor is damaged.

Patent No. CN201810714225.1 provides a sensor with high waterproofness. By being provided with a casing, a sliding rail, a slider, a fixing slot, a telescopic rod, a spring and a fixing block, it is beneficial to insert the sensor into the casing and insert the slider into the sliding block. The rail, the fixing block is inserted into the fixing slot to fix the position of the sensor, so that the sensor and the housing form a whole, so as to achieve the waterproof effect of the sensor.

However, in the prior art, the sensor body is embedded in the housing through the housing, so that the force-bearing end face of the sensor cannot be in direct contact with water, thereby affecting the measurement results of the sensor and causing measurement errors.

SUMMARY OF THE INVENTION

To this end, the present invention provides a water-proof sensor for safe production. The sensor housing is embedded in the wrapping shell of the protective sleeve, and the sensor housing is clamped by the mounting sealing assembly and the buffer limit assembly provided on the wrapping shell. Hold and fix and ensure the airtightness of the package shell. When the sealing component is installed to seal and fix the package shell, the opening and closing end is opened through the opening and closing component, so that the detection end of the sensor is exposed in the water body, so as to facilitate the measurement of the sensor. The measurement accuracy is improved to solve the problem of affecting the measurement result of the sensor caused by the fact that the force-bearing end face of the sensor cannot be in direct contact with water in the prior art.

In order to achieve the above object, embodiments of the present invention provide the following technical solutions:

A safety production waterproof sensor, comprising a sensor housing and a detection end mounted on the sensor housing, a protective sleeve is wrapped around the outside of the sensor housing, and the protective sleeve is close to the detection end An opening and closing end is provided on one side of the protective sleeve, and an opening and closing assembly connected with the opening and closing end is arranged on the protective sleeve;

The protective sleeve includes a wrapping shell disposed around the sensor housing, an installation sealing assembly of the wrapping shell is disposed at the inner end of the wrapping shell, and an end of the wrapping shell away from the mounting sealing assembly is provided with the buffer limit assembly of the sensor housing;

The installation sealing assembly includes an end cap that is fastened to the end of the wrapping shell, a sealing layer is provided on the side of the end cap close to the wrapping shell, and the sealing layer extends toward the end cap and is provided with a connecting portion. A moving rod, the linkage rod is connected with a cam handle through the end cover, a sealing rubber ring is connected between the end cover and the sealing layer, and the sealing rubber ring is arranged on the end cover and the sealing layer. The layer is adjacent to the side end face of the wrapping shell.

Optionally, the buffer limit assembly includes a limit ring disposed at one end of the envelope shell away from the end cover, the limit ring is provided with a concentrically arranged through groove, and the through groove is directed toward the end cap. The central axis direction of the wrapping shell is open, the through groove is filled with a concentrically arranged limit ring, the wrapping shell is provided with a ring groove that is connected to the through groove, and the sensor housing is embedded in the inside the limit ring.

Optionally, the limit ring has a C-shaped structure that is opened in the direction of the through groove, and the limit ring includes a pleated ring arranged in the through groove and connected to the pleated ring. The pleated ring pushes the compression portion to move toward the sensor housing away from the compression portion disposed away from the through-groove.

Optionally, a sealed tympanic membrane is provided on the end surface of the ring groove, a guide chute is provided on the limit ring in the through groove, and a guide chute is provided in the guide chute concentric with the limit ring. There is a hydraulic push plate, the hydraulic push plate is connected with the pleated ring, a push spring is arranged in the through groove, and the push spring is connected with the hydraulic push plate.

Optionally, the opening and closing end includes a wrapping hemisphere disposed at the end of the wrapping shell, the detection end is disposed close to the wrapping hemisphere, and the wrapping shell is provided with a hemisphere connected to the wrapping hemisphere. The opening and closing guide ring is provided with a squeeze rubber ring between the opening and closing guide ring and the limit ring.

Optionally, the wrapping hemisphere is formed by splicing and combining a plurality of orange petal-shaped curved panels, and magnetic attraction is provided on the side end surfaces adjacent to the curved panels.

Optionally, a compression spring arranged concentrically with the wrapping case is disposed between the opening and closing guide ring and the limiting ring, and the compression spring pushes the opening and closing guide ring to move toward the outside of the wrapping case.

Optionally, the opening and closing assembly includes a plurality of pulling channels provided outside the wrapping shell, a pulling rod is arranged in the pulling channel, and one end of the pulling rod is connected with the opening and closing guide ring, and the The other end of the draw rod is connected to the sealing layer through the wrapping shell.

Optionally, the end cover is provided with an embedding groove of the cam handle, the cam handle is rotatably installed in the embedding groove, and the linkage rod is rotatably connected to the cam handle.

Embodiments of the present invention have the following advantages:

One side of the protective sleeve wrapping shell of the present invention is provided with an installation sealing component, and a buffer limit component is arranged in the wrapping shell, and the installation of the sensor housing in the wrapping shell is ensured by the squeezing action of the mounting seal component and the buffer limit component. Since the installation sealing assembly is connected with the opening and closing end through the opening and closing assembly, the opening and closing end is opened through the opening and closing assembly while the installation sealing assembly is stably and sealedly connected with the wrapping shell, thereby It is convenient for the detection end of the sensor to measure the water body, and the measurement accuracy of the sensor is improved while ensuring that the sensor is sealed in the water body.

Description of drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that are required to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only exemplary, and for those of ordinary skill in the art, other implementation drawings can also be obtained according to the extension of the drawings provided without creative efforts.

The structures, proportions, sizes, etc. shown in this specification are only used to cooperate with the contents disclosed in the specification, so as to be understood and read by those who are familiar with the technology, and are not used to limit the conditions for the implementation of the present invention, so there is no technical The substantive meaning above, any modification of the structure, the change of the proportional relationship or the adjustment of the size should still fall within the technical content disclosed in the present invention without affecting the effect and the purpose that the present invention can produce. within the range that can be covered.

1 is a schematic diagram of the overall structure of an embodiment of the present invention;

Fig. 2 is the enlarged structural schematic diagram of A in Fig. 1 according to the embodiment of the present invention;

In the picture:

1-sensor housing; 2-detection head; 3-protective sleeve; 4-opening and closing head; 5-opening and closing assembly;

31-wrapping shell; 32-end cover; 33-sealing layer; 34-linking rod; 35-cam handle; 36-sealing rubber ring; 37-limiting ring;

371-through groove; 372-pleated ring; 373-ring groove; 374-compression part; 375-seal eardrum; 376-guide chute; 377-hydraulic push plate; 378-push spring;

41-Wrap hemisphere; 42-Open and close guide ring; 43-Squeeze rubber ring; 44-Magnetic suction; 45-Compression spring;

51-traction channel; 52-traction bar.

Detailed ways

The embodiments of the present invention are described below by specific specific embodiments. Those who are familiar with the technology can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are part of the present invention. , not all examples. 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.

As shown in FIG. 1 , the present invention provides a water-proof sensor for safe production, including a sensor housing 1 and a detection end 2 mounted on the sensor housing 1, and a protective sleeve 3 is wrapped around the outside of the sensor housing 1, The side of the protective sleeve 3 close to the detection end 2 is provided with an opening and closing end 4 , and an opening and closing assembly 5 connected with the opening and closing end 4 is arranged on the protective sleeve 3 , and the opening and closing end is driven by the opening and closing assembly 5 The opening and closing of the head 4 exposes the detection end 2 of the sensor wrapped in the protective sleeve 3, which facilitates the direct contact between the detection end 2 and the water body, facilitates the detection of the water body by the detection end 2, and improves the accuracy of the sensor. Water measurement accuracy, reducing measurement errors.

The protective sleeve 3 of the present invention includes a wrapping shell 31 arranged to wrap the sensor housing 1 , the inner end of the wrapping shell 31 is provided with a mounting sealing assembly that wraps the shell 31 , and the end of the wrapping shell 31 away from the mounting sealing assembly is provided with a sensor shell Buffer limit assembly of body 1.

During use, the sensor housing 1 is stuffed into the wrapping shell 31, and one end of the sensor housing 1 is limited and fixed by the buffer limit component disposed at one end away from the installation sealing assembly, and then the installation sealing assembly is The end of the wrapping shell 31 is fixed to realize the sealing and fixing of the sensor body in the wrapping shell 31 .

The installation of the sealing assembly includes an end cover 32 that is fastened to the end of the wrapping shell 31. A sealing layer 33 is provided on the side of the end cover 32 close to the wrapping shell 31. The moving rod 34 is connected to the cam handle 35 through the end cover 32 , a sealing rubber ring 36 is connected between the end cover 32 and the sealing layer 33 , and the sealing rubber ring 36 is arranged on the side end surface of the end cover 32 and the sealing layer 33 close to the wrapping shell 31 .

The end cover 32 is provided with an embedded groove for the cam handle 35, the cam handle 35 is rotatably installed in the embedded groove, the linkage rod 34 is rotatably connected with the cam handle 35, and the cam handle 35 is slidably installed in the embedded groove, through Rotating the cam handle 35 drives the linkage rod 34 to expand and contract between the sealing layer and the end cover 32 .

During use, the sealing layer 33 is placed inside the wrapping shell 31 , and then the end of the wrapping shell 31 is fixed by the end cap 32 , and then the cam handle 35 is rotated to drive the sealing layer 33 to the end cap 32 through the pulling action of the linkage rod 34 so that the distance between the sealing layer 33 and the end cover 32 is reduced by the pressing action of the sealing layer 33 and the end cover 32, and the sealing rubber ring 36 is pushed to bulge in the direction of the wrapping shell 31, so that the end cover 32 and The stable fixation of the wrapping shell 31 and the pressing action of the sealing rubber ring 36 improve the sealing performance of the connection between the end cover 32 and the wrapping shell 31 , thereby ensuring the sealing of the end of the wrapping shell 31 .

The buffer limiting component disposed at one end of the wrapping shell 31 away from the end cover 32 not only provides a limiting function for the sensor housing 1 , but also improves the tightness of the connection between the other end of the wrapping shell 31 and the sensor housing 1 through the buffer limiting component.

As shown in FIG. 1 and FIG. 2 , the buffer limit assembly according to the embodiment of the present invention includes a limit ring 37 disposed at one end of the wrapping shell 31 away from the end cover 32 , and the limit ring 37 is provided with a concentric through groove 371 , The through groove 371 is open to the direction of the central axis of the casing 31, the through groove 371 is filled with a concentrically arranged limit ring, and the casing 31 is provided with a ring groove 373 that is connected to the through groove 371, and the sensor housing 1 is embedded Installed in the limit ring.

In addition, the limit ring has a C-shaped structure that is open to the through groove 371 . The limit ring includes a pleated ring 372 arranged in the through groove 371 , and a compression part connected to the pleated ring 372 and arranged away from the through groove 371 374 , the pleated ring 372 pushes the compression part 374 to move toward the sensor housing 1 .

The compressing part 374 is pushed by the pleated ring 372 to move in the direction of the sensor housing 1, so as to squeeze the sensor housing 1 arranged in the limit ring, and the position of the sensor housing 1 is fixed, and the sensor housing 1 is formed through the limit ring. The movement of the sensor provides a limit effect, and the limit ring is used to prevent the sensor housing 1 from colliding with the limit ring when moving in the envelope 31, resulting in damage to the detection end 2 of the sensor. The C-shaped structure with the opening in the direction of the groove 371, and a ring groove 373 connected to the through groove 371 is provided on the wrapping shell 31, so that after the protective sleeve 3 of the embodiment of the present invention is placed in the water body, due to the water As the water pressure increases, the compression part 374 is more tightly connected to the sensor housing 1, that is, the sealing effect of the limit ring on the sensor housing 1 is better. .

In order to improve the sealing effect of the limit ring in the embodiment of the present invention, a sealing drum 375 is provided on the end face of the ring groove 373, and a guide chute 376 is provided on the limit ring 37 through the groove 371. The limit ring 37 is provided with a hydraulic push plate 377 concentrically, the hydraulic push plate 377 is connected with the pleated ring 372, and a push spring 378 is arranged in the through groove 371, the push spring 378 is connected with the hydraulic push plate 377, and the push spring 378 pushes the hydraulic pressure The push plate 377 moves in the direction of the ring groove 373 .

The port of the ring groove 373 is sealed by the sealing tympanic membrane 375. After the protective sleeve 3 is placed in the water body, due to the force of water pressure, the sealing tympanic membrane 375 is pressed into the ring groove 373, so that the sealing tympanic membrane 375 and the hydraulic pressure push The air between the plates 377 is reduced, so that the hydraulic push plate 377 pushes the pleated ring 372 toward the sensor housing 1 against the force of the pushing spring 378 , thereby improving the tightness of the connection between the limit ring and the sensor housing 1 .

After the protective sleeve 3 is taken out from the water body, due to the elastic force of the push spring 378, the hydraulic push plate 377 is driven to move in the direction of the ring groove 373, thereby increasing the connection gap between the limit ring and the sensor housing 1, thereby increasing the gap between the limit ring and the sensor housing 1. It is convenient to take out the sensor housing 1 .

The opening and closing head 4 of the present invention includes a wrapping hemisphere 41 arranged at the end of the wrapping shell 31 , the detection end 2 is disposed close to the wrapping hemisphere 41 , and an opening and closing guide ring 42 connected to the wrapping hemisphere 41 is arranged in the wrapping shell 31 , A squeeze rubber ring 43 is arranged between the opening and closing guide ring 42 and the limiting ring 37 .

The wrapping hemisphere 41 is formed by splicing and combining a plurality of orange petal-shaped curved panels, and magnetic attraction 44 is provided on the side end surfaces of the adjacent curved panels. The closing guide ring 42 is contracted and expanded toward the direction close to the limiting ring 37 , thereby facilitating the expansion of the opening and closing end 4 .

The opening and closing assembly 5 includes a plurality of pulling channels 51 arranged on the outer side of the wrapping shell 31, and a pulling rod 52 is arranged in the pulling channel 51. One end of the pulling rod 52 is connected with the opening and closing guide ring 42, and the other end of the pulling rod 52 penetrates the wrapping shell. 31 is connected to the sealing layer 33 .

During use, the sealing layer 33 is driven to move toward the end cover 32 by rotating the cam handle 35, and at the same time, the opening and closing guide ring 42 is driven to move toward the limit ring 37 by the traction rod 52. When the wrapping hemisphere 41 is opened, The extruding rubber ring 43 disposed between the opening and closing guide ring 42 and the limit ring 37 is squeezed by the opening and closing guide ring 42 and the limit ring 37, so as to further improve the sealing effect of the sensor housing 1 and improve the protection sleeve 3 The sealing effect can effectively protect the sensor and prolong the service life of the sensor.

The wrapping hemisphere 41 is opened by the opening and closing assembly 5, so that the detection end 2 is in direct contact with the water body, thereby facilitating the sensor to detect the water body and improving the detection accuracy of the sensor.

After the protective sleeve 3 is taken out of the water body, since a compression spring 45 is arranged between the opening and closing guide ring 42 and the limit ring 37 and is arranged concentrically with the wrapping shell 31, the compression spring 45 pushes the opening and closing guide ring 42 toward the wrapping shell. 31 moves outside, under the force of the compression spring 45, pushes the opening and closing guide ring 42 to move away from the limit ring 37, so that the squeeze rubber ring 43 is in a relaxed state, thereby facilitating the removal of the sensor, and at the same time with the opening and closing guide The wrapping hemispheres 41 connected by the rings 42 move toward the center, and are attracted and fixed by the magnetic attraction between the adjacent curved panels, which ensures the tightness of the connection between the opening and closing components 5 and facilitates the reuse of the sensor.

Although the present invention has been described in detail above with general description and specific embodiments, some modifications or improvements can be made on the basis of the present invention, which will be obvious to those skilled in the art. Therefore, these modifications or improvements made without departing from the spirit of the present invention fall within the scope of the claimed protection of the present invention.

Claims (9)

1. The waterproof sensor is characterized by comprising a sensor shell (1) and a detection end (2) arranged on the sensor shell (1), wherein a protective sleeve (3) is wrapped outside the sensor shell (1), an opening and closing end (4) is arranged on one side, close to the detection end (2), of the protective sleeve (3), and an opening and closing assembly (5) connected with the opening and closing end (4) is arranged on the protective sleeve (3);

the protective sleeve (3) comprises a wrapping shell (31) wrapping the sensor shell (1), a mounting and sealing assembly of the wrapping shell (31) is arranged at the inner end of the wrapping shell (31), and a buffering and limiting assembly of the sensor shell (1) is arranged at one end, far away from the mounting and sealing assembly, in the wrapping shell (31);

the installation seal assembly comprises an end cover (32) buckled at the end part of the wrapping shell (31), wherein the end cover (32) is close to one side of the wrapping shell (31) and is provided with a sealing layer (33), the sealing layer (33) extends towards the end cover (32) and is provided with a linkage rod (34), the linkage rod (34) penetrates through the end cover (32) and is connected with a cam handle (35), a seal rubber ring (36) is connected between the end cover (32) and the sealing layer (33), and the seal rubber ring (36) is arranged on the end cover (32) and the sealing layer (33) is close to the side end face of the wrapping shell (31).

2. The waterproof sensor for safety production according to claim 1, wherein the buffering and limiting component comprises a limiting ring (37) arranged at one end of the wrapping shell (31) far away from the end cover (32), a through groove (371) concentrically arranged is formed in the limiting ring (37), the through groove (371) is arranged towards the direction of the central axis of the wrapping shell (31) in an opening mode, a limiting ring concentrically arranged is filled in the through groove (371), a ring groove (373) in conduction connection with the through groove (371) is formed in the wrapping shell (31), and the sensor shell (1) is embedded in the limiting ring.

3. The waterproof sensor of claim 2, wherein the retainer ring is of a C-shaped structure which is opened towards the through groove (371), the retainer ring comprises a pleated ring (372) which is arranged in the through groove (371), and a compression part (374) which is connected with the pleated ring (372) and is arranged away from the through groove (371), and the pleated ring (372) pushes the compression part (374) to move towards the sensor shell (1).

4. A sensor of a waterproof type for safety production according to claim 3, wherein a sealing tympanic membrane (375) is provided on an end surface of the annular groove (373), a guide sliding groove (376) is provided on the limiting ring (37) in the through groove (371), a hydraulic push plate (377) is provided in the guide sliding groove (376) concentrically with the limiting ring (37), the hydraulic push plate (377) is connected with the pleated ring (372), a push spring (378) is provided in the through groove (371), and the push spring (378) is connected with the hydraulic push plate (377).

5. The waterproof sensor for safety production according to claim 2, wherein the opening and closing end (4) comprises a wrapping hemisphere (41) arranged at the end of the wrapping shell (31), the detection end (2) is arranged close to the wrapping hemisphere (41), an opening and closing guide ring (42) connected with the wrapping hemisphere (41) is arranged in the wrapping shell (31), and an extrusion rubber ring (43) is arranged between the opening and closing guide ring (42) and the limiting ring (37).

6. The waterproof sensor for safety production of claim 5, wherein the wrapping hemisphere (41) is formed by splicing and combining a plurality of curved plates in a shape of a tangerine petal, and magnetic attraction (44) is arranged on the side end face of the curved plate.

7. A waterproof sensor for safety production according to claim 5, wherein a compression spring (45) is arranged between the opening and closing guide ring (42) and the limiting ring (37) and is concentric with the wrapping shell (31), and the compression spring (45) pushes the opening and closing guide ring (42) to move towards the outer side of the wrapping shell (31).

8. A sensor of the waterproof type for safety production according to claim 5, characterized in that said opening and closing assembly (5) comprises a plurality of drawing channels (51) arranged outside said wrapping shell (31), said drawing channels (51) being internally provided with drawing rods (52), one end of said drawing rods (52) being connected with said opening and closing guide ring (42), the other end of said drawing rods (52) penetrating said wrapping shell (31) being connected with said sealant (33).

9. A water-proof sensor for safety production according to claim 1, characterized in that the end cap (32) is provided with a recessed groove of the cam handle (35), the cam handle (35) is rotatably mounted in the recessed groove, and the linkage (34) is rotatably connected with the cam handle (35).

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