CN213180488U - Waterproof force sensitive sensor - Google Patents

Abstract

The utility model provides a waterproof force-sensitive sensor, which comprises a sensor body and a mounting plate; the sensor body comprises an upper shell and a lower shell, and the upper shell is T-shaped; the mounting plate comprises an upper plate and a lower plate, and the upper plate is tightly connected with the lower plate; the upper plate is provided with an installation groove matched with the upper shell, and the lower plate is provided with an installation groove slightly larger than the lower shell; first mounting holes are formed in two sides of the upper part of the upper shell; a second viewing mounting hole is formed in the position, relative to the first mounting hole, of the upper plate; a waterproof rubber ring is arranged between the first mounting hole and the second mounting hole, and the sensor body is fixedly arranged on the mounting plate through the first mounting hole, the waterproof rubber ring and the second mounting hole by mounting screws; and waterproof materials are filled and sealed in the gap between the lower shell and the lower plate.

Description

Waterproof force sensitive sensor

Technical Field

The utility model relates to a mechanical control field, in particular to waterproof quick sensor of power.

Background

The pressure sensor installed in a complex environment needs to be subjected to severe damp and heat, rain, temperature impact and other examinations in use. When the pressure sensor is used in the environment, the internal electrical insulation is reduced due to damp heat, rain and the like, even faults such as short circuit occur, the reliability of the pressure sensor is reduced, and the characteristics of inapplicability to the use environment and the like are presented.

SUMMERY OF THE UTILITY MODEL

The utility model provides a waterproof force sensitive sensor, the utility model discloses a realize following technical scheme of above-mentioned purpose adoption:

the utility model provides a waterproof force-sensitive sensor, which comprises a sensor body and a mounting plate;

the sensor body comprises an upper shell and a lower shell, and the upper shell is T-shaped;

the mounting plate comprises an upper plate and a lower plate, and the upper plate is tightly connected with the lower plate; the upper plate is provided with an installation groove matched with the upper shell, and the lower plate is provided with an installation groove slightly larger than the lower shell; first mounting holes are formed in two sides of the upper part of the upper shell; a second viewing mounting hole is formed in the position, relative to the first mounting hole, of the upper plate; a waterproof rubber ring is arranged between the first mounting hole and the second mounting hole, and the sensor body is fixedly arranged on the mounting plate through the first mounting hole, the waterproof rubber ring and the second mounting hole by mounting screws; and waterproof materials are filled and sealed in the gap between the lower shell and the lower plate.

In an embodiment of the present invention, the sensor body further includes a force cap, a push rod, a sensor wire, a spring tube, a circuit board assembly, and a connection pin;

the top surface of the upper shell and the junction of the upper shell and the lower shell are both provided with a through hole, and the central point connecting line of the through hole is vertical to the horizontal plane; the push rod penetrates through the through hole; the spring tube is arranged in the cavity, one end of the spring tube is abutted against the bottom surface of the cavity, and the other end of the spring tube is abutted against the pressing plate of the push rod in a solid phase manner;

sealant is coated at the joint of the spring tube and the bottom surface of the cavity, the joint of the spring tube and the pressing plate and the joint of the pressing plate and the push rod;

a circuit chamber is formed in the lower shell, and the circuit board assembly is fixedly arranged in the circuit chamber; one end of the sensing wire is fixedly connected with the top surface of the circuit chamber, and the other end of the sensing wire is fixedly connected with the part of the push rod, which is positioned in the circuit chamber; the two ends of the sensing wire are also connected with the circuit board assembly; the wiring pin is arranged outside the bottom surface of the lower shell, and one end of the wiring pin, which is positioned in the lower shell, is connected with the circuit board assembly.

In an embodiment of the present invention, the waterproof material includes epoxy resin.

In an embodiment of the present invention, the upper plate includes an acrylic plate.

In an embodiment of the present invention, the lower plate includes an aluminum alloy plate.

The utility model has the advantages that:

the utility model provides a waterproof quick sensor of power adopts double seal structure, guarantees the waterproof performance of quick sensor of power as far as, makes it can adapt to more abominable operational environment.

Drawings

Fig. 1 is a schematic structural view of a waterproof force sensor according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a mounting plate of a waterproof force sensor according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a sectional structure of the sensor body of the waterproof force sensor according to an embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments, wherein the exemplary embodiments and the description are only for the purpose of illustrating the present invention, and are not to be construed as limiting the present invention.

It should be noted that the terms "first" and "second" in the present application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The utility model provides a waterproof force-sensitive sensor, which comprises a sensor body 10 and a mounting plate 20 in a specific embodiment of the utility model, as shown in figures 1 to 2; the sensor body 10 comprises a shell, a bitter cap 13, a push rod 14, a sensing wire 15, a spring tube 16, a circuit board assembly, a wiring pin 17 and a mounting plate 20;

the shell comprises an upper shell 11 and a lower shell 12, the upper shell 11 is T-shaped, the top surface of the upper shell 11 and the junction of the upper shell 11 and the lower shell 12 are both provided with a through hole, and the central point connecting line of the through hole is vertical to the horizontal plane; the push rod 14 penetrates through the through hole; the bitter cap 13 is sleeved on one end, close to the upper shell 11, of the push rod 14, a cavity starts to be arranged inside the lower end of the upper shell 11, a pressing plate is further sleeved in the middle of the push rod 14 and located in the cavity, the spring tube 16 is arranged in the cavity, one end of the spring tube 16 abuts against the bottom surface of the cavity, and the other end of the spring tube 16 abuts against a pressing plate of the push rod 14 in a solid phase manner;

sealant 18 is coated at the joint of the spring tube 16 and the bottom surface of the chamber, the joint of the spring tube 16 and the pressure plate and the joint of the pressure plate and the push rod 14;

a circuit chamber is formed in the lower shell 12, and the circuit board assembly is fixedly arranged in the circuit chamber; one end of the sensing wire 15 is fixedly connected with the top surface of the circuit chamber, and the other end of the sensing wire 15 is fixedly connected with the part of the push rod 14, which is positioned in the circuit chamber; the two ends of the sensing wire 15 are also connected with the circuit board assembly; the wiring pins 17 are arranged outside the bottom surface of the lower shell 12, and one end of the wiring pins 17, which is positioned in the lower shell 12, is connected with the circuit board assembly;

the mounting plate 20 comprises an upper plate 21 and a lower plate 22, and the upper plate 21 is tightly connected with the lower plate 22; the upper plate 21 is provided with an installation groove matched with the upper shell 11, and the lower plate 22 is provided with an installation groove slightly larger than the lower shell 12; both sides of the upper part of the upper shell 11 are provided with first mounting holes 19; a second mounting hole 211 is formed in the position, corresponding to the first mounting hole 19, of the upper plate 21; a waterproof rubber ring 40 is arranged between the first mounting hole 19 and the second mounting hole 211, and the sensor body 10 is fixedly arranged on the mounting plate 20 through the mounting screw 30 via the first mounting hole 19, the waterproof rubber ring 40 and the second mounting hole 211; a waterproof material 50 is encapsulated in a gap between the lower shell 12 and the lower plate 22;

specifically, the upper plate 21 is an acrylic plate, the lower plate 22 is an aluminum alloy plate, and the waterproof material is epoxy resin;

the user when using, only need with the mounting panel set up the position that needs or on the equipment can, need not to readjust the installation relation between mounting panel and the sensor body to improve as far as the utility model provides a waterproof performance of waterproof quick sensor of power.

Obviously, the above examples are only examples for more clearly expressing the technical solutions of the present invention, and are not intended to limit the embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made in the above-described embodiments without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (5)

1. The waterproof force-sensitive sensor is characterized by comprising a sensor body and a mounting plate;

the sensor body comprises an upper shell and a lower shell, and the upper shell is T-shaped;

the mounting plate comprises an upper plate and a lower plate, and the upper plate is tightly connected with the lower plate; the upper plate is provided with an installation groove matched with the upper shell, and the lower plate is provided with an installation groove slightly larger than the lower shell; first mounting holes are formed in two sides of the upper part of the upper shell; a second mounting hole is formed in the position, relative to the first mounting hole, of the upper plate; a waterproof rubber ring is arranged between the first mounting hole and the second mounting hole, and the sensor body is fixedly arranged on the mounting plate through the first mounting hole, the waterproof rubber ring and the second mounting hole by mounting screws; and waterproof materials are filled and sealed in the gap between the lower shell and the lower plate.

2. The waterproof force sensor of claim 1, wherein the sensor body further comprises a bitter cap, a push rod, a sensor wire, a spring tube, a circuit board assembly, a terminal pin;

the top surface of the upper shell and the junction of the upper shell and the lower shell are both provided with a through hole, and the central point connecting line of the through hole is vertical to the horizontal plane; the push rod penetrates through the through hole; the spring tube is arranged in the cavity, one end of the spring tube is abutted against the bottom surface of the cavity, and the other end of the spring tube is abutted against the pressing plate of the push rod in a solid phase manner;

sealant is coated at the joint of the spring tube and the bottom surface of the cavity, the joint of the spring tube and the pressing plate and the joint of the pressing plate and the push rod;

a circuit chamber is formed in the lower shell, and the circuit board assembly is fixedly arranged in the circuit chamber; one end of the sensing wire is fixedly connected with the top surface of the circuit chamber, and the other end of the sensing wire is fixedly connected with the part of the push rod, which is positioned in the circuit chamber; the two ends of the sensing wire are also connected with the circuit board assembly; the wiring pin is arranged outside the bottom surface of the lower shell, and one end of the wiring pin, which is positioned in the lower shell, is connected with the circuit board assembly.

3. The waterproof force sensitive sensor of claim 1, wherein the waterproof material comprises an epoxy.

4. The waterproof force sensor of claim 1, wherein the top plate comprises an acrylic plate.

5. The waterproof force sensor of claim 1, wherein the lower plate comprises aluminum alloy plate.

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