CN210922898U - Dustproof pressure sensor - Google Patents
Dustproof pressure sensor Download PDFInfo
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- CN210922898U CN210922898U CN201921726079.0U CN201921726079U CN210922898U CN 210922898 U CN210922898 U CN 210922898U CN 201921726079 U CN201921726079 U CN 201921726079U CN 210922898 U CN210922898 U CN 210922898U
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- pressure sensor
- cylinder
- top end
- sensor body
- dust
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Abstract
The utility model discloses a dustproof pressure sensor, include: the pressure sensor comprises a base, wherein a pressure sensor body is arranged at the top end of the base, is cylindrical and is arranged in the vertical direction; the fixed tube is arranged at the top end of the base, and the bottom end of the pressure sensor body is positioned in the fixed tube; the cylinder is sleeved on the pressure sensor body, the bottom end of the cylinder is in threaded connection with the top end of the fixed pipe, and the two sides of the cylinder are respectively provided with an air inlet pipe and an air outlet pipe. An object of the utility model is to provide a pressure sensor that dustproof effectual, heat dispersion is good.
Description
Technical Field
The utility model belongs to the technical field of the sensor, concretely relates to dustproof pressure sensor.
Background
A pressure sensor is a device or apparatus that senses a pressure signal and converts the pressure signal into a usable output electrical signal according to a certain rule. A pressure sensor is usually composed of a pressure sensitive element and a signal processing unit. Pressure sensors can be classified into gauge pressure sensors, differential pressure sensors, and absolute pressure sensors according to different types of test pressures. Pressure sensor often is used for in the piping lane construction for detect the atress condition of some moulds in the construction, because construction environment is abominable, dust is big, and current sensor is dustproof poor in effect, often can lead to gathering a large amount of dusts in the pressure sensor, makes pressure sensor's heat dispersion, pressure sensor's working property variation, influence the measuring result of pressure.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the poor problem of dustproof effect among the prior art.
For this reason, the technical scheme who adopts is, the utility model discloses a dustproof pressure sensor, include:
the pressure sensor comprises a base, wherein a pressure sensor body is arranged at the top end of the base, the pressure sensor body is cylindrical, and the pressure sensor body is arranged in the vertical direction;
the fixed tube is arranged at the top end of the base, and the bottom end of the pressure sensor body is positioned in the fixed tube;
the cylinder is sleeved on the pressure sensor body, the bottom end of the cylinder is in threaded connection with the top end of the fixed pipe, and an air inlet pipe and an air outlet pipe are arranged on two sides of the cylinder respectively.
Preferably, the top end of the cylinder is provided with a ventilation device, and the ventilation device comprises:
the pressure plate is arranged in the cylinder, is positioned above the pressure sensor body and is arranged in the horizontal direction and is tightly attached to the inner wall of the cylinder;
the top end of the cylinder is provided with a through hole, a connecting rod is arranged in the through hole, the lower end of the connecting rod extends into the cylinder and is fixedly connected with the top end of the pressing plate, and the upper end of the connecting rod extends to the upper part of the cylinder and is connected with a circular plate in the horizontal direction;
and the spring is sleeved on the connecting rod, one end of the spring is fixedly connected with the bottom end of the circular plate, and the other end of the spring is fixedly connected with the top end of the cylinder.
Preferably, the pressure plate is circular, and a sealing ring is arranged on the outer circumferential wall surface of the pressure plate.
Preferably, the base is provided with a plurality of threaded holes.
Preferably, the air inlet pipe and the air outlet pipe are both provided with filter screens.
Preferably, the inner wall of the cylinder is provided with a limiting block, and the limiting block is positioned below the pressing plate.
Preferably, the air inlet pipe extends to one end in the cylinder is provided with a flexible blocking piece, one end of the flexible blocking piece is fixedly connected with the inner wall of the cylinder, and the other end of the flexible blocking piece is in a free moving state.
Preferably, the outer wall of the cylinder is provided with anti-skid grains.
Preferably, a cover is arranged on the air inlet pipe, and the cover is in threaded connection with the air inlet pipe.
Preferably, a wire hole is arranged in the middle of the base in a penetrating manner.
The utility model discloses technical scheme has following advantage: the utility model discloses a dustproof pressure sensor, include: the pressure sensor comprises a base, wherein a pressure sensor body is arranged at the top end of the base, the pressure sensor body is cylindrical, and the pressure sensor body is arranged in the vertical direction; the fixed tube is arranged at the top end of the base, and the bottom end of the pressure sensor body is positioned in the fixed tube; the cylinder is sleeved on the pressure sensor body, the bottom end of the cylinder is in threaded connection with the top end of the fixed pipe, and an air inlet pipe and an air outlet pipe are arranged on two sides of the cylinder respectively. Because the sensor body is after using, through the isolation of drum, reduced with the surrounding environment's contact, prevent that the dust from gathering in pressure sensor, through the circulation of air moreover for pressure sensor can dispel the heat fast, so that keep reserve, improved the life of sensor greatly.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is the structure schematic diagram of the middle stopper and the cover of the present invention.
The drawings are numbered as follows: 1-base, 2-pressure sensor body, 3-fixed tube, 4-cylinder, 5-air inlet tube, 6-air outlet tube, 7-pressure plate, 8-through hole, 9-connecting rod, 10-circular plate, 11-spring, 12-threaded hole, 13-filter screen, 14-limiting block, 15-flexible blocking piece, 16-cover and 17-line hole.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
An embodiment of the utility model provides a dustproof pressure sensor, as shown in fig. 1-2, include:
the pressure sensor comprises a base 1, wherein a pressure sensor body 2 is arranged at the top end of the base 1, the pressure sensor body 2 is cylindrical, and the pressure sensor body 2 is arranged in the vertical direction;
the fixed tube 3 is arranged at the top end of the base 1, and the bottom end of the pressure sensor body 2 is positioned in the fixed tube 3;
and the cylinder 4 is sleeved on the pressure sensor body 2, the bottom end of the cylinder 4 is in threaded connection with the top end of the fixed pipe 3, and an air inlet pipe 5 and an air outlet pipe 6 are respectively arranged on two sides of the cylinder 4.
The working principle and the technical effect of the technical scheme are as follows: base 1 fixes on the stress surface of mould, 2 top of pressure sensor body are with the atress, carry out the measurement of pressure value, after using up, clean the surface of pressure sensor body 2, then screw up drum 4 on fixed pipe 3, make pressure sensor body 2 isolated out by drum 4 protection, intake pipe 5 can get into a small amount of air, then flow out through outlet duct 6, through the circulation of air, the pressure sensor after using dispels the heat and preserves. Because the sensor body is after using, through the isolation of drum 4, reduced with the surrounding environment's contact, prevent that the dust from gathering in pressure sensor, through the circulation of air moreover for pressure sensor can dispel the heat fast, so that keep reserve, improved the life of sensor greatly.
In one embodiment, the top end of the cylinder 4 is provided with a ventilation device, which comprises:
the pressing plate 7 is arranged in the cylinder 4, the pressing plate 7 is positioned above the pressure sensor body 2, and the pressing plate 7 is arranged in the horizontal direction and is tightly attached to the inner wall of the cylinder 4;
a through hole 8 is formed in the top end of the cylinder 4, a connecting rod 9 is arranged in the through hole 8, the lower end of the connecting rod 9 extends into the cylinder 4 and is fixedly connected with the top end of the pressing plate 7, and the upper end of the connecting rod 9 extends to the upper part of the cylinder 4 and is connected with a circular plate 10 in the horizontal direction;
and the spring 11 is sleeved on the connecting rod 9, one end of the spring 11 is fixedly connected with the bottom end of the circular plate 10, and the other end of the spring 11 is fixedly connected with the top end of the cylinder 4.
The working principle and the technical effect of the technical scheme are as follows: through pressing plectane 10 with the finger, make plectane 10 drive connecting rod 9 along 8 downstream of through-hole, drive clamp plate 7 at drum 4 downstream, make the air discharge in outlet duct 6, loosen plectane 10, under the spring action of spring 11, drive plectane 10 upstream, plectane 10 drives connecting rod 9 again, clamp plate 7 upstream, make drum 4 be in the negative pressure state, again through intake pipe 5 inflow air, make a round trip to press the plectane several times, the circulation and the change of air in drum 4 have been accelerated, thereby make the sensor can rapid cooling, and the heat dissipation efficiency of sensor is improved.
In one embodiment, the pressing plate 7 is circular, and a sealing ring is arranged on the outer circumferential wall surface of the pressing plate 7.
The working principle and the technical effect of the technical scheme are as follows: the sealing ring improves the sealing effect of the pressure plate 7, so that the pressure plate 7 is attached to the inner wall of the cylinder 4 more tightly, and the leakage of air flow is prevented.
In one embodiment, the base 1 is provided with a plurality of threaded holes 12.
The working principle and the technical effect of the technical scheme are as follows: the threaded hole 12 can facilitate the fixed mounting or dismounting of the base 1.
In one embodiment, the air inlet pipe 5 and the air outlet pipe 6 are both provided with a filter screen 13.
The working principle and the technical effect of the technical scheme are as follows: the filter net 13 can filter dust or foreign matters in the air to prevent the dust or foreign matters from entering the cylinder 4.
In one embodiment, a limit block 14 is disposed on an inner wall of the cylinder 4, and the limit block 14 is located below the pressing plate 7.
The working principle and the technical effect of the technical scheme are as follows: when the pressing plate 7 moves downwards to the limiting block 14, the pressing plate 7 is blocked and cannot move continuously, and the pressing plate 7 is prevented from moving downwards to damage the pressure sensor body 2.
In one embodiment, a flexible baffle 15 is arranged at one end of the air inlet pipe 5 extending into the cylinder 4, one end of the flexible baffle 15 is fixedly connected with the inner wall of the cylinder 4, and the other end of the flexible baffle 15 is in a free moving state.
The working principle and the technical effect of the technical scheme are as follows: when the clamp plate 7 moves upwards, be in the negative pressure state in the drum 4, outside air is opened flexible separation blade 15 through intake pipe 5, enter into drum 4 in, when clamp plate 7 moves down, flexible separation blade 15 can cover on intake pipe 5, at this moment, intake pipe 5 is in the closed condition, the air current can only be followed outlet duct 6 and discharged, therefore, make the air get into through intake pipe 5, through the one-way circulation state of outlet duct 6 play, the air current blows through pressure sensor body 2, take away the heat, the radiating efficiency of sensor has been improved.
In one embodiment, the outer wall of the cylinder 4 is provided with anti-slip threads.
The working principle and the technical effect of the technical scheme are as follows: the anti-slip lines can increase the friction force of the outer wall of the cylinder 4, and the anti-slip cylinder is convenient to rotate by hands and is convenient to mount and dismount.
In one embodiment, a cover 16 is provided on the air inlet tube 5, and the cover 16 is screwed to the air inlet tube 5.
The working principle and the technical effect of the technical scheme are as follows: when the sensor is not used for a long time, the cover 16 can be screwed on to close the airflow channel, so that tiny dust is prevented from entering the cylinder 4 along with the airflow, and the dustproof effect of the sensor body is further improved.
In one embodiment, a wire hole 17 is formed through the middle of the base 1.
The working principle and the technical effect of the technical scheme are as follows: the wire hole 17 can be used for passing through a connecting wire, so that the connection of a data processing instrument is convenient, and the transmission of measured data is carried out.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A dust-proof pressure sensor, comprising:
the pressure sensor comprises a base (1), wherein a pressure sensor body (2) is arranged at the top end of the base (1), the pressure sensor body (2) is cylindrical, and the pressure sensor body (2) is arranged in the vertical direction;
the fixed tube (3) is arranged at the top end of the base (1), and the bottom end of the pressure sensor body (2) is positioned in the fixed tube (3);
the pressure sensor comprises a cylinder (4) which is sleeved on the pressure sensor body (2), the bottom end of the cylinder (4) is in threaded connection with the top end of the fixed pipe (3), and an air inlet pipe (5) and an air outlet pipe (6) are arranged on two sides of the cylinder (4) respectively.
2. A dust-proof pressure sensor according to claim 1, characterized in that the top end of the cylinder (4) is provided with a ventilation means, which ventilation means comprises:
the pressure plate (7) is arranged in the cylinder (4), the pressure plate (7) is positioned above the pressure sensor body (2), and the pressure plate (7) is arranged in the horizontal direction and is tightly attached to the inner wall of the cylinder (4);
a through hole (8) is formed in the top end of the cylinder (4), a connecting rod (9) is arranged in the through hole (8), the lower end of the connecting rod (9) extends into the cylinder (4) and is fixedly connected with the top end of the pressing plate (7), and the upper end of the connecting rod (9) extends above the cylinder (4) and is connected with a circular plate (10) in the horizontal direction;
the spring (11) is sleeved on the connecting rod (9), one end of the spring (11) is fixedly connected with the bottom end of the circular plate (10), and the other end of the spring (11) is fixedly connected with the top end of the cylinder (4).
3. The dustproof pressure sensor according to claim 2, wherein the pressure plate (7) is circular, and a sealing ring is arranged on the outer circumferential wall surface of the pressure plate (7).
4. A dust-proof pressure sensor according to claim 1, characterized in that the base (1) is provided with a number of threaded holes (12).
5. A dust-proof pressure sensor according to claim 1, characterized in that the inlet pipe (5) and the outlet pipe (6) are provided with filter screens (13).
6. The dustproof pressure sensor according to claim 2, wherein a stopper (14) is arranged on the inner wall of the cylinder (4), and the stopper (14) is located below the pressure plate (7).
7. The dustproof pressure sensor according to claim 1, wherein a flexible blocking piece (15) is arranged at one end of the air inlet pipe (5) extending into the cylinder (4), one end of the flexible blocking piece (15) is fixedly connected with the inner wall of the cylinder (4), and the other end of the flexible blocking piece (15) is in a free moving state.
8. A dust-tight pressure sensor according to claim 1, characterized in that the outer wall of the cylinder (4) is provided with anti-slip threads.
9. A dust-proof pressure sensor according to claim 1, characterized in that a cover (16) is arranged on the air inlet tube (5), and the cover (16) is in threaded connection with the air inlet tube (5).
10. A dust-proof pressure sensor according to claim 1, characterized in that a wire hole (17) is arranged through the middle of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921726079.0U CN210922898U (en) | 2019-10-15 | 2019-10-15 | Dustproof pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921726079.0U CN210922898U (en) | 2019-10-15 | 2019-10-15 | Dustproof pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210922898U true CN210922898U (en) | 2020-07-03 |
Family
ID=71368106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921726079.0U Expired - Fee Related CN210922898U (en) | 2019-10-15 | 2019-10-15 | Dustproof pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210922898U (en) |
-
2019
- 2019-10-15 CN CN201921726079.0U patent/CN210922898U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200703 Termination date: 20211015 |
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| CF01 | Termination of patent right due to non-payment of annual fee |