CN219319564U

CN219319564U - Novel sensor with waterproof structure

Info

Publication number: CN219319564U
Application number: CN202320429096.8U
Authority: CN
Inventors: 陈华超
Original assignee: Foshan Shunde Quannuo Electronic Technology Co ltd
Current assignee: Foshan Shunde Quannuo Electronic Technology Co ltd
Priority date: 2023-03-08
Filing date: 2023-03-08
Publication date: 2023-07-07
Anticipated expiration: 2033-03-08

Abstract

The utility model relates to the technical field of a sensor with a waterproof structure, which comprises a base, a supporting plate and a protective cover, wherein the supporting plate is arranged at the upper end of the base, the protective cover for covering a sensor main body is arranged above the supporting plate, when the protective cover is used, the protective cover is used for isolating the sensor main body from the external environment, the protective cover is connected with a sealing groove formed in the supporting plate in a matched manner, a sealing gasket is arranged in the sealing groove, springs and screw rods are arranged at the symmetrical two ends of the protective cover, and the screw rods are connected with gaskets and nuts in a threaded manner.

Description

Novel sensor with waterproof structure

Technical Field

The utility model relates to the technical field of waterproof structure sensors, in particular to a novel waterproof structure sensor.

Background

The sensor is a detecting device, can sense the information to be measured, and can convert the sensed information into an electric signal or other information output in a required form according to a certain rule so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like, and the waterproof performance of the current sensors on the market is not ideal.

For waterproof load cells, there are many prior art techniques, such as:

chinese patent publication No. CN213688645U discloses a waterproof weighing sensor, including aluminum alloy elastomer, resistance strain gauge and the wheatstone bridge that comprises resistance strain gauge, aluminum alloy elastomer's upside and downside are provided with two symmetrical arc grooves respectively, and the inboard is provided with resistance strain gauge accommodation chamber, and resistance strain gauge is located in resistance strain gauge accommodation chamber's inside, and resistance strain gauge accommodation chamber's inner wall covers has waterproof protection film or waterproof glue, and resistance strain gauge's top and bottom weld respectively has stainless steel sealing diaphragm.

Therefore, the traditional weighing equipment sensor is usually in direct contact with the external environment, and is flush with the ground and has a certain gap when being installed, due to the lack of protection of the sensor, when dust and water are poured into the equipment, parts inside the sensor are easily worn, so that the service life of the weighing sensor is reduced, and the traditional waterproof sensor is usually waterproof in a waterproof glue mode, so that the waterproof glue needs to be repeatedly smeared during later maintenance, and the use cost and the maintenance difficulty are increased.

In view of this, the present utility model provides a sensor of a novel waterproof structure.

Disclosure of Invention

The utility model aims to solve the defects and provide a novel sensor capable of being waterproof.

Through placing the backup pad in base upper end and base joint cooperation, then, place the sensor main part in the backup pad, the protection casing seals with the seal groove, then, screws the nut, makes the nut promote the gasket with the spring compression to pulling lead screw and protection casing, make protection casing and the tight compaction of sealing pad, thereby isolate sensor main part and external environment, and then realize sealed waterproof.

The utility model provides a novel sensor with a waterproof structure, which comprises a base, a supporting plate and a protective cover, wherein the supporting plate is arranged at the upper end of the base, the protective cover for covering a main body of the sensor is arranged above the supporting plate, the protective cover is used for isolating the main body of the sensor from the external environment when in use, the protective cover is connected with a sealing groove formed in the supporting plate in a matched manner, a sealing gasket is arranged in the sealing groove, springs and screw rods are arranged at the symmetrical two ends of the protective cover, and the screw rods are connected with gaskets and screw caps in a threaded manner.

As a further improvement of the technical scheme, the middle part of the base is provided with a positioning hole, the bottom of the supporting plate is fixedly connected with a positioning pin, and the positioning hole is aligned with the positioning pin to accommodate the positioning pin.

As a further improvement of the technical scheme, limiting blocks are arranged at two symmetrical ends of the positioning hole, and the limiting blocks are matched with limiting grooves symmetrically formed in the bottom of the supporting plate in a clamping mode.

As a further improvement of the technical scheme, slotted groove blocks are arranged on two symmetrical sides of the sensor main body, the groove blocks are in sliding connection with sliding blocks arranged on the inner wall of the protective cover, and a supporting piece right above the sensor main body is in nested fit with a clamping ring at the upper end of the protective cover.

As a further improvement of the technical scheme, the screw rod is fixedly connected with the supporting plate, the spring is nested in the outer ring of the screw rod, a gasket is arranged between the spring and the screw cap, and the diameter of the gasket is larger than that of the screw rod.

Compared with the prior art, the utility model has the beneficial effects that:

in this novel waterproof construction's sensor, through placing the backup pad in base upper end and base joint cooperation, then, place the sensor main part in the backup pad, protection casing and seal groove are sealed, then, screw the nut, make the nut promote the gasket with the spring compression to pulling lead screw and protection casing, make protection casing and the tight compaction of sealed pad, thereby isolate the sensor main part with external environment, and then realize sealed waterproof.

Drawings

The utility model is described in more detail below, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the protective cover of the present utility model;

FIG. 3 is a schematic view of a base structure of the present utility model;

FIG. 4 is a schematic view showing a sectional structure of a support plate according to the present utility model;

FIG. 5 is a schematic view of a cut-away structure of a protective cover according to the present utility model;

fig. 6 is an enlarged schematic view of the structure of the present utility model at a.

The meaning of each reference sign in the figure is:

100. a base; 101. a limiting block; 102. positioning holes;

200. a support plate; 201. a limit groove; 202. sealing grooves; 203. a sealing gasket; 204. a positioning pin;

300. a protective cover; 301. a sensor body; 302. a trough block; 303. a support; 304. a clasp; 305. a slide block; 400. a spring; 401. a screw rod; 402. a gasket; 403. and (5) a screw cap.

Detailed Description

The traditional weighing equipment sensor is usually in direct contact with the external environment, and the weighing equipment is installed on the ground level and leaves a certain gap, because of lack of protection to the sensor, when dust and water are poured into the equipment, the inside spare part of sensor is easily damaged, thereby reduce the life of weighing sensor, and the waterproof sensor of current adopts waterproof glue's mode to waterproof in general, so that when later maintenance, need paint waterproof glue repeatedly, thereby increased use cost and maintenance degree of difficulty.

As shown in fig. 1 to 6, the device comprises a base 100, a supporting plate 200 and a protecting cover 300, wherein the supporting plate 200 is arranged at the upper end of the base 100, and the protecting cover 300 for covering the sensor main body 301 is arranged above the supporting plate 200, so that when the protecting cover 300 is used, the protecting cover 300 is nested outside the sensor main body 301, the protecting cover 300 is matched and connected with a sealing groove 202 formed in the supporting plate 200, meanwhile, a sealing gasket 203 is arranged in the sealing groove 202, then a screw cap 403 is screwed on a screw rod 401 to be connected with the screw cap 403, so that the screw cap 403 pushes a gasket 402 to move upwards, and meanwhile, the protecting cover 300 and the sealing gasket 203 are tightly compacted by compression of a spring 400, so that the sensor main body 301 is isolated from the external environment, thereby achieving the sealing and waterproof effects, and further facilitating the later disassembly and maintenance.

Through offered locating hole 102 in the middle part of base 100, backup pad 200 bottom fixed connection locating pin 204, when backup pad 200 was placed on base 100, keep snap ring 304 and locating hole 102 on same vertical perpendicular line, make locating hole 102 and locating pin 204 align the laminating, hold locating pin 204 to when backup pad 200 was placed on base 100, the location of being convenient for made for, make backup pad 200 be connected with base 100 cooperation fast.

Secondly, be located the locating hole 102 symmetry both ends and all be equipped with stopper 101, with stopper 101 and spacing groove 201 alignment, make the spacing groove 201 joint cooperation that stopper 101 and backup pad 200 bottom symmetry were seted up, through stopper 101 and spacing groove 201 joint cooperation, be convenient for assemble and dismantle, simultaneously, can also keep backup pad 200 stable, fix backup pad 200 joint on base 100.

Specifically, grooved groove blocks 302 are installed on two symmetrical sides of the sensor main body 301, the protection cover 300 is nested outside the sensor main body 301, the groove blocks 302 are slidably connected with sliding blocks 305 arranged on the inner wall of the protection cover 300, a supporting piece 303 right above the sensor main body 301 is in nested fit with a clamping ring 304 at the upper end of the protection cover 300, and then a nut 403 is screwed to tightly compact the protection cover 300 and the sealing gasket 203, so that the clamping ring 304 is sealed with the supporting piece 303. The shield 300 seals with the gasket 203, thereby isolating the sensor body 301 from the outside, preventing external rainwater and dust from entering, and thus causing damage to the internal components of the sensor body 301.

Further, the screw rod 401 is fixedly connected to one side of the supporting plate 200, the spring 400 is nested in the outer ring of the screw rod 401, a gasket 402 is arranged between the spring 400 and the nut 403, the diameter of the gasket 402 is larger than that of the screw rod 401, the nut 403 is screwed, the gasket 402 is pushed to compress the spring 400, the screw rod 401 pulls the protective cover 300 to be sealed with the sealing gasket 203, and when the protective cover 300 needs to be detached for maintenance, the protective cover 300 can be taken out by unscrewing the nut 403, so that later maintenance and replacement are facilitated.

To sum up, the working principle of the scheme is as follows: firstly, by aligning the positioning pin 204 below the supporting plate 200 with the positioning hole 102, aligning the limiting groove 201 with the limiting block 101, sliding the sliding block 305 with the groove block 302, enabling the supporting plate 200 to be matched with the base 100 in a clamping mode, fixing the supporting plate 200, then placing the sensor main body 301 on the supporting plate 200, sleeving the protecting cover 300 outside the sensor main body 301, sealing the edge of the protecting cover 300 with the sealing groove 202, screwing the nut 403, enabling the nut 403 to push the gasket 402 to compress the spring 400, pulling the lead screw 401 and the protecting cover 300 to downwards compact the sealing pad 203, tightly attaching the protecting cover 300 with the sealing pad 203, enabling the clamping ring 304 to be matched with the supporting piece 303 in a nested mode, isolating the sensor main body 301 from the external environment, preventing external dust and water from entering the inside of the protecting cover 300, and taking out the protecting cover 300 by unscrewing the nut 403, so that later maintenance and replacement of the sensor main body 301 are facilitated.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A novel sensor of waterproof construction, its characterized in that: including base (100), backup pad (200) and protection casing (300), wherein, base (100) upper end is equipped with backup pad (200), backup pad (200) top is equipped with protection casing (300) with sensor main part (301) cage, protection casing (300) are used for isolated with external environment sensor main part (301), seal groove (202) cooperation that set up in protection casing (300) and backup pad (200) are connected, be equipped with sealed pad (203) in seal groove (202), protection casing (300) symmetry both ends are equipped with spring (400) and lead screw (401), threaded connection gasket (402) and nut (403) on lead screw (401).

2. The novel waterproof structured sensor according to claim 1, wherein: the positioning pin positioning device is characterized in that a positioning hole (102) is formed in the middle of the base (100), the bottom of the supporting plate (200) is fixedly connected with a positioning pin (204), and the positioning hole (102) is aligned and attached to the positioning pin (204) to accommodate the positioning pin (204).

3. The novel waterproof structured sensor according to claim 2, wherein: limiting blocks (101) are arranged at two symmetrical ends of the positioning hole (102), and the limiting blocks (101) are matched with limiting grooves (201) symmetrically formed in the bottom of the supporting plate (200) in a clamping mode.

4. The novel waterproof structured sensor according to claim 1, wherein: slotted groove blocks (302) are arranged on two symmetrical sides of the sensor main body (301), sliding blocks (305) arranged on the inner walls of the groove blocks (302) and the protective cover (300) are in sliding connection, and supporting pieces (303) right above the sensor main body (301) are in nesting fit with clamping rings (304) at the upper end of the protective cover (300).

5. The novel waterproof structured sensor according to claim 1, wherein: the screw rod (401) is fixedly connected with the supporting plate (200), the spring (400) is nested in the outer ring of the screw rod (401), a gasket (402) is arranged between the spring (400) and the screw cap (403), and the diameter of the gasket (402) is larger than that of the screw rod (401).