CN217304241U

CN217304241U - Accurate pressure sensor

Info

Publication number: CN217304241U
Application number: CN202220824379.8U
Authority: CN
Inventors: 周安
Original assignee: Beijing Shenwanyue Technology Co ltd
Current assignee: Beijing Shenwanyue Technology Co ltd
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-08-26
Anticipated expiration: 2032-04-11

Abstract

The utility model discloses an accurate pressure sensor relates to pressure sensor technical field, including the mounting panel, mounting panel fixed surface is connected with the protective housing, protective housing top fixedly connected with motor, the output shaft fixedly connected with threaded rod of motor, the middle part threaded connection of threaded rod has the nut, the left side fixedly connected with backup pad of nut, the bottom of backup pad is provided with clamping component. Through placing the sensor body in the protective housing, protect the sensor body through the protective housing, prevent that the sensor body from receiving the striking, prevent through setting up the baffle that external dust from entering into the protective housing on adsorbing the sensor body, thereby press from both sides tight can press from both sides tight the sensor body of different specifications size to the sensor body through the stripper plate, enlarge the application range of device, and contact the sensor body earlier through the stripper rod and prevent that the sensor body from being pressed from both sides badly, increase the life of sensor body.

Description

Accurate pressure sensor

Technical Field

The utility model relates to a pressure sensor technical field specifically is an accurate pressure sensor.

Background

In industrial work, a pressure sensor is an indispensable detection device for measuring gas or liquid pressure, but in the prior art, a general pressure sensor often has a large detection error when detecting pressure, and a mounting mechanism which is stable in mounting is also lacked.

Through the retrieval, utility model patent with publication number CN212621254U discloses an accurate pressure sensor, and the device makes whole pressure detection accuracy good through setting up a series of structures, and whole practical application is worth highly.

The above device has the following problems in the use process: thereby above-mentioned device is through placing sensing probe in first recess the realization play the guard action to sensing probe, but this recess still is fretwork, and external dust still can enter into the recess in, when using the back for a long time, adsorbs a large amount of dusts on the sensing probe easily to can influence the work efficiency in device later stage.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an accurate pressure sensor has solved the problem of proposing among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an accurate pressure sensor, includes the mounting panel, mounting panel surface fixedly connected with protective housing, protective housing top fixedly connected with motor, the output shaft fixedly connected with threaded rod of motor, the middle part threaded connection of threaded rod has the nut, the left side fixedly connected with backup pad of nut, the bottom of backup pad is provided with clamping component.

Preferably, clamping component is including the U-shaped shell, U-shaped shell fixed connection is in the bottom of backup pad, wall threaded connection has T shape lead screw on the left side of the U-shaped shell, spring one has been cup jointed at T shape lead screw middle part, inner wall sliding connection has the joint under the U-shaped shell, the top fixedly connected with electric wire that connects.

Preferably, T shape lead screw right side is rotated and is connected with the stripper plate, the one end of stripper plate top fixedly connected with connecting rod, the lower inner wall of the other end sliding connection of connecting rod at the U-shaped shell, the left inner wall fixedly connected with spring of stripper plate is three.

Preferably, the right side fixedly connected with extrusion stem of spring three, the top fixedly connected with L shape iron plate of extrusion stem, the upper fixedly connected with extrusion piece that the left inner wall of stripper plate is close to spring three.

Preferably, the lower wall of the protective shell is hinged with a baffle, the top end of the baffle is fixedly connected with one end of a second spring, and the other end of the second spring is fixedly connected to the left inner wall of the protective shell.

Preferably, the nut right side fixedly connected with fixed block's one end, the other end sliding connection of fixed block is at the right inner wall of protective housing, the top fixedly connected with display of protective housing.

(III) advantageous effects

The utility model provides an accurate pressure sensor. The method has the following beneficial effects:

(1) this accurate pressure sensor protects the sensor body through the protective housing through placing the sensor body in the protective housing, prevents that the sensor body from receiving the striking, prevents through setting up the baffle that external dust from entering into the protective housing and on adsorbing the sensor body, has solved the problem that current device dust adsorbs on the sensing probe easily to increase the life of device.

(2) Thereby this accurate pressure sensor presss from both sides tight can press from both sides tight the sensor body of different specifications size through the stripper plate to the sensor body, enlarges the application range of device, and contacts the sensor body earlier through the stripper bar and prevent that the sensor body from being pressed from both sides badly to increase the life of sensor body.

Drawings

Fig. 1 is a schematic structural view of the main view of the present invention;

FIG. 2 is a schematic structural view of the clamping assembly of the present invention;

fig. 3 is a schematic structural diagram of a portion a in fig. 2 according to the present invention.

In the figure: 1. a baffle plate; 2. a clamping assembly; 201. a U-shaped shell; 202. a T-shaped screw rod; 203. an L-shaped iron block; 204. an extrusion stem; 205. a pressing plate; 3. mounting a plate; 4. a support plate; 5. a threaded rod; 6. a protective shell; 7. a motor; 8. a display.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an accurate pressure sensor comprises a mounting plate 3, wherein threaded holes are formed in four corners of the mounting plate 3, the mounting plate 3 can be matched with the threaded holes to fix the device, a protective shell 6 is fixedly connected to the surface of the mounting plate 3, the sensor body is placed in the protective shell 6 and protected by the protective shell 6 to prevent the sensor body from being impacted, a baffle plate 1 is arranged to prevent external dust from entering the protective shell 6 and being adsorbed on the sensor body, the problem that the dust of the existing device is easily adsorbed on a sensing probe is solved, so that the service life of the device is prolonged, a baffle plate 1 is hinged to the lower wall of the protective shell 6, one end of a second spring is fixedly connected to the top end of the baffle plate 1, the other end of the second spring is fixedly connected to the left inner wall of the protective shell 6, and the second spring is arranged to support and reset the baffle plate 1, the motor 7 is fixedly connected to the top end of the protective shell 6, the rotating direction of an output shaft of the motor 7 can be adjusted, and the nut can rotate clockwise or anticlockwise so as to move up and down.

In the embodiment, a threaded rod 5 is fixedly connected to an output shaft of a motor 7, a nut is in threaded connection with the middle of the threaded rod 5, one end of a fixed block is fixedly connected to the right side of the nut, the other end of the fixed block is connected to the right inner wall of a protective shell 6 in a sliding manner, the fixed block is arranged to support the nut, a display 8 is fixedly connected to the top end of the protective shell 6, the display 8 is in the prior art, the display 8 is connected with a connector through an electric wire, data detected by a sensor body is transmitted to the display 8 through the electric wire to be displayed, the electric wire penetrates through and is connected to the inside of a U-shaped shell 201 and a support plate 4 in a sliding manner, the length of the electric wire is enough to support the support plate 4 to move up and down, a support plate 4 is fixedly connected to the left side of the nut, a clamping assembly 2 is arranged at the bottom end of the support plate 4, the clamping assembly 2 comprises the U-shaped shell 201, a detector body is placed in the U-shaped shell 201, the detector body is prior art, turn on the power and can begin work, U-shaped shell 201 fixed connection is in the bottom of backup pad 4, U-shaped shell 201 left side wall threaded connection has T shape lead screw 202, T shape lead screw 202 right side is rotated and is connected with stripper plate 205, thereby press from both sides tight sensor body to the sensor body through stripper plate 205 and can press from both sides tightly the sensor body of different specifications size, enlarge device's application range, and contact the sensor body earlier through stripper plate 204 and prevent that sensor body is pressed from both sides badly, thereby increase sensor body's life, the one end of stripper plate 205 top fixedly connected with connecting rod, the other end sliding connection of connecting rod is at the lower inner wall of U-shaped shell 201, the purpose that sets up the connecting rod is in order to only to drive when T shape lead screw 202 rotates about can only driving stripper plate 205 and can not drive stripper plate 205 rotatory.

In this embodiment, inner wall fixedly connected with spring three on stripper plate 205 left side, the right side fixedly connected with stripper plate 204 of spring three, stripper plate 204 runs through and sliding connection is at stripper plate 205 right wall, the top fixedly connected with L shape iron plate 203 of stripper plate 204, the top fixedly connected with stripper plate 205 left side inner wall is close to spring three extrudees the piece, spring one has been cup jointed at T shape lead screw 202 middle part, inner wall sliding connection has the joint under the U-shaped shell 201, thereby set up the purpose that connects and be connected in order to let the sensor body with connecting and make the data that detect pass through the wire transmission to the display 8 in, the top fixedly connected with electric wire that connects.

When the device works or is used, when the device starts to work, firstly, the detector body is placed in the U-shaped shell 201, the detector body is connected with a joint, then the T-shaped screw rod 202 is rotated clockwise, the extrusion plate 205 is driven to move rightwards when the T-shaped screw rod 202 rotates, the extrusion rod 204 is firstly contacted with the detector body when the extrusion plate 205 moves rightwards, when the extrusion rod 204 is contacted with the detector body, pressure is applied to move leftwards when the extrusion rod 204 is contacted with the detector body, the L-shaped iron block 203 is driven to move together, when the L-shaped iron block 203 is contacted with the extrusion block, clamping is finished, at the moment, the motor 7 is turned on, the motor 7 drives the threaded rod 5 to rotate clockwise, when the threaded rod 5 rotates clockwise, the nut can move downwards, the nut drives the supporting plate 4 to move downwards, the supporting plate 4 drives the U-shaped shell 201 to move downwards, the U-shaped shell 201 drives the detector body to move downwards, make baffle 1 slightly rotatory open baffle 1 and stretch out the detector body downwards when detector body moves down and contacts baffle 1, open the detector body this moment and can begin to work, the data that detect out are demonstrateed in transmitting to display 8 through the electric wire, make the detector body withdraw to protective housing 6 in as required, adjustment motor 7 output shaft pivoted direction can, and baffle 1 also can reset because of the reverse elasticity of spring three, when needs take off the detector body, reverse rotation T shape screw pole 202 can.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An accurate pressure sensor, comprising a mounting plate (3), characterized in that: mounting panel (3) fixed surface is connected with protective housing (6), protective housing (6) top fixedly connected with motor (7), output shaft fixedly connected with threaded rod (5) of motor (7), the middle part threaded connection of threaded rod (5) has the nut, the left side fixedly connected with backup pad (4) of nut, the bottom of backup pad (4) is provided with clamping component (2).

2. A precision pressure sensor as claimed in claim 1, wherein: clamping component (2) is including U-shaped shell (201), U-shaped shell (201) fixed connection is in the bottom of backup pad (4), wall threaded connection has T shape lead screw (202) about U-shaped shell (201), spring one has been cup jointed at T shape lead screw (202) middle part, inner wall sliding connection has the joint under U-shaped shell (201), the top fixedly connected with electric wire that connects.

3. A precision pressure sensor according to claim 2, wherein: t shape lead screw (202) right side is rotated and is connected with stripper plate (205), the one end of stripper plate (205) top fixedly connected with connecting rod, the lower inner wall of the other end sliding connection of connecting rod at U-shaped shell (201), stripper plate (205) left side inner wall fixedly connected with spring is three.

4. A precision pressure sensor according to claim 3, wherein: the right side of the third spring is fixedly connected with an extrusion rod (204), the top end of the extrusion rod (204) is fixedly connected with an L-shaped iron block (203), and the left inner wall of the extrusion plate (205) is close to the upper portion of the third spring and is fixedly connected with an extrusion block.

5. A precision pressure sensor as claimed in claim 1, wherein: the lower wall of the protective shell (6) is hinged to a baffle (1), the top end of the baffle (1) is fixedly connected with one end of a second spring, and the other end of the second spring is fixedly connected to the left inner wall of the protective shell (6).

6. A precision pressure sensor as claimed in claim 1, wherein: the nut right side fixedly connected with one end of fixed block, the other end sliding connection of fixed block is at the right inner wall of protective housing (6), the top fixedly connected with display (8) of protective housing (6).