CN206725133U - A kind of pressure sensor - Google Patents
A kind of pressure sensor Download PDFInfo
- Publication number
- CN206725133U CN206725133U CN201720352983.4U CN201720352983U CN206725133U CN 206725133 U CN206725133 U CN 206725133U CN 201720352983 U CN201720352983 U CN 201720352983U CN 206725133 U CN206725133 U CN 206725133U
- Authority
- CN
- China
- Prior art keywords
- mounting cylinder
- telescopic shaft
- compression spring
- sensor body
- pressure sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
It the utility model is related to a kind of pressure sensor, including sensor body, over-pressure safety device；Screw rod is fixedly installed below the sensor body；The over-pressure safety device includes mounting cylinder, telescopic shaft, compression spring, adjusting nut；Mounting cylinder upper surface center is provided with opening, and mounting cylinder upper surface outer symmetrical expression is provided with a pair of fender rods, and the mounting cylinder barrel is provided with a pair of sideslip holes；The telescopic shaft upper end is provided with installation screw, and telescopic shaft upper end outer shaping restraining position ring block, telescopic shaft lower end outer forms an offside plug；The compression spring is socketed on the telescopic shaft；Adjusting nut is screwed onto on the installation drum outer wall, and the adjusting nut is connected to above the side plug；The utility model can give protection when sensor body is under pressure excessive to the sensor body, can also adapt to the sensor body that different pressures bear the upper limit by adjusting the elastic force of the compression spring.
Description
Technical field
It the utility model is related to sensor technical field, and in particular to a kind of pressure sensor.
Background technology
Pressure sensor is a kind of sensor the most commonly used in industrial practice, and it is widely used in various industrial automatic control rings
Border, be related to water conservancy and hydropower, railway traffic, intelligent building, production automatic control, Aero-Space, military project, petrochemical industry, oil well, electric power, ship,
Numerous industries such as lathe, pipeline.The sensor installation of prior art is to be rigidly connected, such as thread connecting mode, installed in operation
On station.Such as applying date 2016.09.28, the patent document of application number 201610862059.0 disclose a kind of pressure sensing
Device, including shell body, shell body are provided with connector, and connector is externally provided with interface thread, and the centre of connector is provided with tracting pressuring hole,
The inside of shell body is provided with circuit board, is simultaneously provided with pressure chip and modular circuit group on circuit board, another side is set on circuit board
Leaded, lead is extend out to outside shell body, and snap ring is provided between circuit board and shell body, and the inside of shell body is provided with filling
Piece, the inside of shell body are full of iknsulating liquid.
Problems be present in the pressure sensor of prior art：Pressure sensor use is fixedly connected with mode and installed,
When the pressure that the pressure sensor is subject to is excessive, the pressure sensor can be damaged directly.
Utility model content
In order to solve technical problem existing for background technology, there is provided a kind of pressure sensor, can sensor body by
To pressure it is excessive when protection is given to the sensor body, can also be adapted to not by adjusting the elastic force of the compression spring
With the sensor body of the pressure bearing upper limit.
Technical scheme is used by the utility model solves its technical problem：
A kind of pressure sensor, including sensor body, over-pressure safety device；
Screw rod is fixedly installed below the sensor body；
The over-pressure safety device includes mounting cylinder, telescopic shaft, compression spring, adjusting nut；
The mounting cylinder is hollow cylinder cylinder, and the installation drum outer wall forms external screw thread, the mounting cylinder upper surface
Center is provided with opening, and mounting cylinder upper surface outer symmetrical expression is provided with a pair of fender rods, and the mounting cylinder barrel is prevented with described
Guard bar corresponding position is provided with a pair of sideslip holes；
The telescopic shaft via it is described opening slidably be plugged in mounting cylinder, the telescopic shaft upper end provided with to
The installation screw that the screw rod 11 coordinates, telescopic shaft upper end outer shaping restraining position ring block, telescopic shaft lower end outer into
Type has a pair of side plugs coordinated with sideslip hole grafting；
Further, the side plug is detachably connected with the telescopic shaft.
Further, the side plug is threadedly coupled with the telescopic shaft.
Further, the side plug is hexagon socket head cap screw.It can conveniently install, the telescopic shaft is inserted into the peace
The side plug is inserted on the telescopic shaft again after fitted tube.
The compression spring is socketed on the telescopic shaft, and the compression spring upper end abuts with the spacing ring, described
The lower end of compression spring 23 abuts with the mounting cylinder；
Adjusting nut is screwed onto on the installation drum outer wall, and the adjusting nut is connected to above the side plug.
Further, the mounting cylinder lower surface is provided with sucker.
Further, the fender rod is expansion link.
The beneficial effects of the utility model：
The utility model has over-voltage protecting function：
The compression spring driving of the present utility model telescopic shaft is up, and the side plug is by the adjusting nut block；
The sensor body will be will bear pressure and pressure signal is converted into electric signal.
When the insufficient pressure that the sensor body is subject to is to overcome the elastic force of the compression spring, the compression spring is protected
It is constant to hold stretched condition, the sensor body normal operation；When the pressure that the sensor body is subject to exceedes the compression
During the elastic force of spring, the compression spring is under pressure and retracted downward, drives the telescopic shaft, sensor body descending；When
When the sensor body is come downwards to less than the fender rod, the fender rod abuts with object being measured, avoids the sensing
Device body is damaged.
Further, by rotating the adjusting nut, the decrement of the compression spring is adjusted, adjusts the compression bullet
The elastic force of spring, to adapt to the sensor body of the different pressures upper limit.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is a kind of front view of embodiment of the utility model.
Fig. 2 is Section A-A sectional view in Fig. 1.
In figure:
1. sensor body, 11. screw rods；
2. over-pressure safety device, 21. mounting cylinders, 21a. openings, 21b. fender rods, 21c. sideslips hole；
22. telescopic shaft, 22a. installation screws, 22b. spacing rings, 22c. sides plug；
23. compression spring；
24. adjusting nut；
3. sucker.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
A kind of pressure sensor, including sensor body 1, over-pressure safety device 2；
The lower section of sensor body 1 is fixedly installed screw rod 11；
The over-pressure safety device 2 includes mounting cylinder 21, telescopic shaft 22, compression spring 23, adjusting nut 24；
The mounting cylinder 21 is hollow cylinder cylinder, and the outer wall of mounting cylinder 21 forms external screw thread, the mounting cylinder 21
Upper surface center is provided with opening 21a, and the upper surface outer symmetrical expression of mounting cylinder 21 is provided with a pair of fender rod 21b, the installation
21 barrels of cylinder are provided with a pair of sideslip hole 21c with the fender rod 21b corresponding positions；
The telescopic shaft 22 is slidably plugged in mounting cylinder 21 via the opening 21a, the upper end of telescopic shaft 22
Provided with the installation screw 22a to coordinate with the screw rod 11, the upper end outer of telescopic shaft 22 is molded restraining position ring block 22b, institute
State the lower end outer of telescopic shaft 22 and form a pair of side plug 22c coordinated with the sideslip hole 21c grafting；
Further, the side plug 22c is detachably connected with the telescopic shaft 22.
Further, the side plug 22c is threadedly coupled with the telescopic shaft 22.
Further, the side plug 22c is hexagon socket head cap screw.
Said structure can be installed conveniently, and the telescopic shaft 22 is inserted after the mounting cylinder 21 again by the side plug
22c is inserted on the telescopic shaft 22.
The compression spring 23 is socketed on the telescopic shaft 22, the upper end of compression spring 23 and the spacing ring 22b
Abut, the lower end of compression spring 23 abuts with the mounting cylinder 21；
Adjusting nut 24 is screwed onto on the outer wall of mounting cylinder 21, and the adjusting nut 24 is connected to the side plug 22c
Top.
Further, the lower surface of mounting cylinder 21 is provided with sucker 3.
Further, the fender rod 21b is expansion link.
Specifically used method：
The utility model has over-voltage protecting function：
Compression spring 23 of the present utility model drives the telescopic shaft 22 up, and the side plug 22c is by the regulation spiral shell
Female 24 blocks；The sensor body 1 will be will bear pressure and pressure signal is converted into electric signal.
When the insufficient pressure that the sensor body 1 is subject to is to overcome the elastic force of the compression spring 23, the compression bullet
Spring 23 keeps stretched condition constant, the normal operation of sensor body 1；When the pressure that the sensor body 1 is subject to exceedes
During the elastic force of the compression spring 23, the compression spring 23 is under pressure and retracted downward, drives the telescopic shaft 22, sensing
Device body 1 is descending；When the sensor body 1 is come downwards to less than the fender rod 21b, the fender rod 21b is with being measured
Object abuts, and avoids the sensor body 1 from being damaged.
Further, by rotating the adjusting nut 24, the decrement of the compression spring 23 is adjusted, adjusts the pressure
The elastic force of contracting spring 23, to adapt to the sensor body 11 of the different pressures upper limit.
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item is real
The content being not limited to new technical scope on specification, it is necessary to which its technology is determined according to right
Property scope.
Claims (6)
- A kind of 1. pressure sensor, it is characterised in that：Including sensor body (1), over-pressure safety device (2)；Screw rod (11) is fixedly installed below the sensor body (1)；The over-pressure safety device (2) includes mounting cylinder (21), telescopic shaft (22), compression spring (23), adjusting nut (24)；The mounting cylinder (21) is hollow cylinder cylinder, and mounting cylinder (21) outer wall forms external screw thread, the mounting cylinder (21) upper surface center is provided with opening (21a), and mounting cylinder (21) upper surface outer symmetrical expression is provided with a pair of fender rods (21b), mounting cylinder (21) barrel are provided with a pair of sideslip holes (21c) with the fender rod (21b) corresponding position；The telescopic shaft (22) is slidably plugged in mounting cylinder (21) via the opening (21a), the telescopic shaft (22) The installation screw (22a) that upper end is provided with to coordinate with the screw rod (11), telescopic shaft (22) the upper end outer shaping are limited Position ring (22b), telescopic shaft (22) the lower end outer form a pair of side plugs coordinated with sideslip hole (21c) grafting (22c)；The compression spring (23) is socketed on the telescopic shaft (22), compression spring (23) upper end and the spacing ring (22b) is abutted, and compression spring (23) lower end abuts with the mounting cylinder (21)；Adjusting nut (24) is screwed onto on the mounting cylinder (21) outer wall, and the adjusting nut (24) is connected to the side plug Above (22c).
- A kind of 2. pressure sensor according to claim 1, it is characterised in that：Mounting cylinder (21) lower surface, which is provided with, inhales Disk (3).
- A kind of 3. pressure sensor according to claim 1, it is characterised in that：The side plug (22c) is stretched with described Axle (22) is detachably connected.
- A kind of 4. pressure sensor according to claim 3, it is characterised in that：The side plug (22c) is stretched with described Axle (22) is threadedly coupled.
- A kind of 5. pressure sensor according to claim 4, it is characterised in that：The side plug (22c) is interior hexagonal spiral shell Bolt.
- A kind of 6. pressure sensor according to claim 1, it is characterised in that：The fender rod (21b) is expansion link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720352983.4U CN206725133U (en) | 2017-04-06 | 2017-04-06 | A kind of pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720352983.4U CN206725133U (en) | 2017-04-06 | 2017-04-06 | A kind of pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206725133U true CN206725133U (en) | 2017-12-08 |
Family
ID=60504356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720352983.4U Expired - Fee Related CN206725133U (en) | 2017-04-06 | 2017-04-06 | A kind of pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206725133U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109269575A (en) * | 2018-11-16 | 2019-01-25 | 苏州市职业大学 | A kind of wisdom dormitory supervisory systems based on Internet of Things |
| CN109632175A (en) * | 2018-12-19 | 2019-04-16 | 贵州天略信息技术有限公司 | A kind of number mudstone flow sensor |
| CN116902161A (en) * | 2023-08-31 | 2023-10-20 | 舟山中远海运重工有限公司 | Angle adjusting mechanism for dock bottom vehicle |
-
2017
- 2017-04-06 CN CN201720352983.4U patent/CN206725133U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109269575A (en) * | 2018-11-16 | 2019-01-25 | 苏州市职业大学 | A kind of wisdom dormitory supervisory systems based on Internet of Things |
| CN109269575B (en) * | 2018-11-16 | 2021-04-27 | 苏州市职业大学 | Wisdom dormitory supervisory systems based on thing networking |
| CN109632175A (en) * | 2018-12-19 | 2019-04-16 | 贵州天略信息技术有限公司 | A kind of number mudstone flow sensor |
| CN116902161A (en) * | 2023-08-31 | 2023-10-20 | 舟山中远海运重工有限公司 | Angle adjusting mechanism for dock bottom vehicle |
| CN116902161B (en) * | 2023-08-31 | 2024-03-22 | 舟山中远海运重工有限公司 | Angle adjusting mechanism for dock bottom vehicle |
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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: 20171208 Termination date: 20180406 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |