CN211504476U - Pressure contact sensor - Google Patents
Pressure contact sensor Download PDFInfo
- Publication number
- CN211504476U CN211504476U CN202020596970.3U CN202020596970U CN211504476U CN 211504476 U CN211504476 U CN 211504476U CN 202020596970 U CN202020596970 U CN 202020596970U CN 211504476 U CN211504476 U CN 211504476U
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- nut
- fixedly connected
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- connector
- shell
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- 239000011888 foil Substances 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a pressure contact sensor, which comprises a housin, the bottom fixedly connected with connecting wire of casing, the right side fixedly connected with connector at casing top, the right side of connector is equipped with the nut, the left side fixedly connected with screw thread of nut is first, screw thread one and the internal thread threaded connection of connector inner wall, the right side fixedly connected with screw thread two of nut, the right side of nut is equipped with the spring, the spring is pegged graft in the inside of nut, the right side of spring is equipped with the measuring stick, the middle part at the spring is installed to the measuring stick, the measuring stick runs through the inside of connector to casing, the inner wall top of casing is equipped with the resistance foil gage. The utility model discloses a through with the screw thread one of nut left end and the internal thread threaded connection of connector inner wall, the screw thread two of nut right-hand member with wait to detect the organism and be connected, whole simple structure is practical, and with low costs.
Description
Technical Field
The utility model relates to a pressure sensor technical field specifically is a pressure contact sensor.
Background
A Pressure Transducer (Pressure Transducer) is a device or apparatus that can sense a Pressure signal and can convert the Pressure signal into a usable output electrical signal according to a certain rule, and the Pressure Transducer usually consists of a Pressure sensing element and a signal processing unit. According to different test pressure types, the pressure sensor can be divided into a gauge pressure sensor, a differential pressure sensor and an absolute pressure sensor, the pressure sensor is the most common sensor in industrial practice, is widely applied to various industrial automatic control environments and relates to various industries such as water conservancy and hydropower, railway traffic, intelligent buildings, production automatic control, aerospace, military industry, petrifaction, oil wells, electric power, ships, machine tools, pipelines and the like, and the principle and the application of some common sensors are simply introduced below. In addition, a medical pressure sensor is arranged.
The existing pressure sensor is inconvenient to install, low in accuracy and complex in structure.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pressure contact sensor to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a pressure contact sensor comprises a shell, wherein the bottom of the shell is fixedly connected with a connecting wire, the right side of the top of the shell is fixedly connected with a connecting port, the right side of the connecting port is provided with a nut, the left side of the nut is fixedly connected with a first thread, the first thread is connected with an internal thread of the inner wall of the connecting port, the right side of the nut is fixedly connected with a second thread, the right side of the nut is provided with a spring, the spring is inserted into the nut, the right side of the spring is provided with a measuring rod, the measuring rod is installed in the middle of the spring and penetrates through the connecting port to the inside of the shell, the top of the inner wall of the shell is provided with a resistance strain gauge, the bottom of the left end of the measuring rod in the shell is fixedly connected with a clamping column, and the left end of the resistance strain gauge is provided with a, the clamping column is clamped with the through hole.
Preferably, the outer wall of the connecting port is in a hexagonal shape, and a sealing gasket is fixedly connected to the right side surface of the connecting port.
Preferably, the spring extends through the nut to the interior of the connection port.
Preferably, the right end of the resistance strain gauge is fixedly connected with the right side of the inner wall of the shell.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model has the advantages that the first thread at the left end of the nut is connected with the internal thread of the inner wall of the connector, the second thread at the right end of the nut is connected with the machine body to be detected, the whole structure is simple and practical, the cost is low, the nut and the connector are tightly sealed through the sealing gasket, and the external dust and moisture are prevented from entering to cause the damage of the device;
(2) the utility model discloses a joint post through the measuring stick left end and the through-hole joint of installing on the inside resistance strain gauge of casing, when the measuring stick inwards extrudees the messenger, drive the resistance strain gauge, make the length of resistance strain gauge change, and the resistance has also changed to reach pressure measurement's effect, and measurement accuracy is accurate.
Drawings
FIG. 1 is an exploded view of the structure of the present invention;
FIG. 2 is an installation drawing of the present invention;
fig. 3 is a cross-sectional view of a front view of the present invention;
fig. 4 is a structural diagram of the resistance strain gauge of the present invention.
In the figure: the device comprises a shell 1, a connecting wire 2, a connecting port 3, a sealing gasket 4, a nut 5, a first thread 6, a second thread 7, a spring 8, a measuring rod 9, a resistance strain gauge 10 and a clamping column 11.
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 work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a pressure contact sensor comprises a shell 1, a connecting wire 2 is fixedly connected to the bottom of the shell 1, a connecting port 3 is fixedly connected to the right side of the top of the shell 1, the outer wall of the connecting port 3 is hexagonal, a sealing gasket 4 is fixedly connected to the right side surface of the connecting port 3, a nut 5 is arranged on the right side of the connecting port 3, a first thread 6 is fixedly connected to the left side of the nut 5, the first thread 6 is connected with an internal thread of the inner wall of the connecting port 3, a second thread 7 is fixedly connected to the right side of the nut 5, the first thread 6 at the left end of the nut 5 is connected with the internal thread of the inner wall of the connecting port 3, the second thread 7 at the right end of the nut 5 is connected with a machine body to be detected, the whole structure is simple and practical, the cost is low, the sealing gasket enables the sealing between the nut, the spring 8 penetrates through the nut 5 and extends to the inside of the connector 3, the spring 8 is inserted into the nut 5, the right side of the spring 8 is provided with a measuring rod 9, the measuring rod 9 is installed in the middle of the spring 8, the measuring rod 9 penetrates through the connector 3 and extends into the shell 1, the top of the inner wall of the shell 1 is provided with a resistance strain gauge 10, the right end of the resistance strain gauge 10 is fixedly connected with the right side of the inner wall of the shell 1, the bottom of the left end of the measuring rod 9 in the shell 1 is fixedly connected with a clamping column 11, the left end of the resistance strain gauge 10 is provided with a through hole matched with the clamping column 11 in shape and size at the bottom of the clamping column 11, the clamping column 11 is clamped with the through hole, the clamping column 11 at the left end of the measuring rod 9 is clamped with the through hole on the resistance strain gauge 10 installed in the shell 1, when the measuring rod 9 is inwards extruded, the resistance strain gauge 10, and the resistance value is also changed, so that the effect of measuring pressure is achieved, and the measurement precision is accurate.
The working principle is as follows: when the utility model discloses during the use, the internal thread threaded connection with screw thread 6 of 5 left ends of nut and 3 inner walls of connector, screw thread two 7 of 5 right-hand members of nut and the organism that waits to detect are connected, simple structure is practical whole, and with low costs, and it is inseparable to seal between messenger nut 5 and the connector 3 through sealed the pad, prevent that outside dust moisture from getting into, lead to the device to damage, the joint post 11 of measuring stick 9 left end and the through-hole joint of installing on 1 inside resistance foil gage 10 of casing, make when 9 inside extrusions of measuring stick, drive resistance foil gage 10, make the length of resistance foil gage 10 change, and the resistance has also taken place the change, thereby reach pressure measurement's effect, and measurement accuracy is accurate.
To sum up, the utility model discloses a with the screw thread 6 of 5 left ends of nut and the internal thread threaded connection of connector 3 inner wall, the screw thread two 7 of 5 right-hand members of nut with wait to detect the organism and be connected, whole simple structure is practical, and with low costs, and it is inseparable to seal between messenger nut 5 and the connector 3 through sealed the pad, prevent that outside dust moisture from getting into, lead to the device to damage, joint post 11 through the measuring stick 9 left end and the through-hole joint of installing on 1 inside resistance foil gage 10 of casing, it makes to push inwards when measuring stick 9, drive resistance foil gage 10, make the length of resistance foil gage 10 change, and the resistance has also taken place the change, thereby reach pressure-measuring's effect, and measurement accuracy is accurate.
Claims (4)
1. A pressure contact sensor comprising a housing (1), characterized in that: the bottom of the shell (1) is fixedly connected with a connecting wire (2), the right side of the top of the shell (1) is fixedly connected with a connector (3), the right side of the connector (3) is provided with a nut (5), the left side of the nut (5) is fixedly connected with a first thread (6), the first thread (6) is in threaded connection with an internal thread of the inner wall of the connector (3), the right side of the nut (5) is fixedly connected with a second thread (7), the right side of the nut (5) is provided with a spring (8), the spring (8) is inserted into the nut (5), the right side of the spring (8) is provided with a measuring rod (9), the measuring rod (9) is installed in the middle of the spring (8), the measuring rod (9) penetrates through the connector (3) to the inside of the shell (1), the top of the inner wall of the shell (1) is provided with a resistance, the bottom fixedly connected with joint post (11) at measuring stick (9) left end in the inside of casing (1), the left end of resistance foil gage (10) is opened in the bottom of joint post (11) has a through-hole that matches with the shape and the size of joint post (11), joint post (11) and through-hole joint.
2. A pressure contact sensor according to claim 1, wherein: the outer wall of the connecting port (3) is in a hexagonal shape, and a sealing gasket (4) is fixedly connected to the right side surface of the connecting port (3).
3. A pressure contact sensor according to claim 1, wherein: the spring (8) penetrates through the nut (5) and extends to the inside of the connecting port (3).
4. A pressure contact sensor according to claim 1, wherein: the right end of the resistance strain gauge (10) is fixedly connected with the right side of the inner wall of the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020596970.3U CN211504476U (en) | 2020-04-20 | 2020-04-20 | Pressure contact sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020596970.3U CN211504476U (en) | 2020-04-20 | 2020-04-20 | Pressure contact sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211504476U true CN211504476U (en) | 2020-09-15 |
Family
ID=72404654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020596970.3U Active CN211504476U (en) | 2020-04-20 | 2020-04-20 | Pressure contact sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211504476U (en) |
-
2020
- 2020-04-20 CN CN202020596970.3U patent/CN211504476U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A pressure contact sensor Effective date of registration: 20201216 Granted publication date: 20200915 Pledgee: Zhejiang Tailong commercial bank Taizhou branch of Limited by Share Ltd. Pledgor: Taizhou Chengchi Electrical and Mechanical Co.,Ltd. Registration number: Y2020330001208 |