CN220288844U - Pressure sensor - Google Patents
Pressure sensor Download PDFInfo
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- CN220288844U CN220288844U CN202321891264.1U CN202321891264U CN220288844U CN 220288844 U CN220288844 U CN 220288844U CN 202321891264 U CN202321891264 U CN 202321891264U CN 220288844 U CN220288844 U CN 220288844U
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- pressure sensor
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- sealing ring
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- 238000007789 sealing Methods 0.000 claims abstract description 70
- 230000000694 effects Effects 0.000 claims abstract description 23
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 5
- 210000002421 cell wall Anatomy 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The application relates to the technical field of sensors, in particular to a pressure sensor. The pressure sensor comprises a pressure sensor main body and an anti-loosening mechanism, wherein the anti-loosening mechanism comprises a base ring, a sealing ring and a driving assembly, one end of the pressure sensor main body is provided with threads, and the base ring is sleeved at one end of the pressure sensor main body provided with the threads; the lower end face of the base ring is provided with a chute, the depth of the chute is larger than the thickness of the sealing ring, the sealing ring is connected in the chute in a sliding mode, the driving assembly is arranged on the base ring and used for driving the sealing ring to move up and down and lock. The sealing ring in the pressure sensor has more excellent sealing effect and anti-loosening effect, so that the pressure sensor has more excellent detection precision.
Description
Technical Field
The application relates to the technical field of sensors, in particular to a pressure sensor.
Background
A pressure sensor is a device for measuring the stress condition of an object. The pressure sensor can convert the pressure applied by an object into corresponding electric signals or mechanical displacement, thereby realizing the measurement of the pressure. Pressure sensors are widely used in many fields including industrial automation, automotive engineering, medical equipment, meteorological observations, and the like.
The Chinese patent of the issued publication number CN217878143U discloses a pressure sensor, which mainly comprises a base and a detection main body arranged in the inner cavity of the base, wherein threads are arranged on the outer wall of one end of the base, a sampling channel is arranged in one end of the base provided with the threads, a metal tube is fixedly arranged in the sampling channel and matched with the detection main body, and the temperature of a measured medium is conducted into the detection main body to perform temperature compensation.
With respect to the related art described above, the inventors believe that other external factors such as vibration are likely to cause loosening of threads when the pressure sensor is used, thereby affecting the detection accuracy of the pressure sensor. In general, in order to improve the anti-loosening effect of the pressure sensor, a sealing ring may be disposed on the pressure sensor, so as to have the sealing and anti-loosening effects. However, when the pressure sensor is fixed, the pressure sensor needs to rotate first, and the rotation continuously rubs the sealing gasket, so that the sealing ring is likely to be worn, and the sealing effect and the anti-loosening effect of the sealing ring are affected.
Disclosure of Invention
In order to improve the sealing effect and the anti-loosening effect of the sealing ring, the application provides a pressure sensor.
The application provides a pressure sensor adopts following technical scheme:
the pressure sensor comprises a pressure sensor main body and an anti-loosening mechanism, wherein the anti-loosening mechanism comprises a base ring, a sealing ring and a driving assembly, one end of the pressure sensor main body is provided with threads, and the base ring is sleeved at one end of the pressure sensor main body provided with the threads;
the lower end face of the base ring is provided with a chute, the depth of the chute is larger than the thickness of the sealing ring, the sealing ring is connected in the chute in a sliding mode, the driving assembly is arranged on the base ring and used for driving the sealing ring to move up and down and lock.
Through adopting above-mentioned technical scheme, after pressure sensor is fixed, the staff can move down and lock through drive assembly control sealing ring to impel the sealing ring to take place deformation, and then realize sealing and locking the effect of moving of sealing ring. Moreover, when the pressure sensor is fixed, the sealing ring is accommodated in the chute, so that the sealing ring is not easy to damage.
Optionally, the driving assembly comprises a mounting ring and a plurality of control rods, the mounting ring is slidingly connected in the chute, and the sealing ring is fixedly connected to the mounting ring; the outer peripheral surface of the base ring is vertically provided with a control groove which is mutually communicated with the sliding groove, two groove walls in the vertical direction of the control groove are outwards provided with arc-shaped protrusions, the control rod penetrates through the control groove and is in interference connection with the mounting ring, and the control rod forces the sealing ring to be separated from the sliding groove through the mounting ring.
When the sealing ring is required to be controlled to move downwards, a worker can directly slide the control rod to the bottom of the control groove, and at the moment, the control rod drives the mounting ring to move downwards, so that the sealing ring extends out of the sliding groove. And because the groove wall of the control groove is provided with the arc-shaped bulge, the arc-shaped bulge can limit the control rod, and the possibility of the control rod shifting is effectively reduced.
Optionally, an embedded groove is formed in the lower end face of the mounting ring, and the sealing ring is embedded in the embedded groove.
When the sealing ring is damaged due to long-time use, a worker can directly separate the damaged sealing ring from the caulking groove and embed a new sealing ring in the caulking groove, so that the replacement of the sealing ring is realized, and the sealing effect and the anti-loosening effect of the sealing ring are indirectly improved.
Optionally, the anti-loosening mechanism further comprises a positioning ring, the positioning ring is in threaded connection with the base ring, and when the control rod is located at the lowest end of the control groove, the lower end face of the mounting ring is abutted with the upper end face of the positioning ring.
When the control rod is required to be fixedly connected to the mounting ring, the positioning ring can limit and lock the mounting ring, so that the control rod is simpler and more convenient to mount.
Optionally, a handheld block is disposed at an end of the control rod away from the mounting ring, and the handheld block extends out of the control groove.
When the control rod needs to be moved, the hand-held block gives the point of holding to the staff, so that the control difficulty of the staff to the control rod is effectively reduced.
Optionally, the control rod is kept away from the one end of collar is provided with the gag lever post, the spacing groove has been seted up to the interior terminal surface of handheld piece, the gag lever post slide connect in the spacing groove, the constant head tank has been seted up at the both ends of control groove, handheld piece activity peg graft in the constant head tank.
When the control rod slides to the bottom of control groove, the staff can directly peg graft handheld piece in the constant head tank to impel the cell wall of constant head tank to carry out spacingly through handheld piece to the control rod, effectively reduce the possibility that the sealing ring moved up, further improve sealing effect and the anti not hard up effect of sealing ring.
Optionally, the locating lever is kept away from the holding groove has been seted up to the one end of control lever, be provided with the elastic rope in the holding groove, the one end of elastic rope with the tank bottom fixed connection of holding groove, the other end of elastic rope with the tank bottom fixed connection of locating groove.
When the handheld block is inserted into the positioning groove, the elastic rope always forces the handheld block to approach the control rod, so that the falling possibility of the handheld block is effectively reduced, and the sealing effect and the anti-loosening effect of the sealing ring are indirectly improved.
Optionally, the up end of base ring is provided with the go-between, the spread groove has been seted up to the one end that the pressure sensor main part was provided with the screw thread, go-between threaded connection in the spread groove.
When the anti-loosening mechanism is required to be installed, a worker can directly connect the connecting ring with the connecting groove in a threaded manner, so that the anti-loosening mechanism is convenient to install and simple to detach.
In summary, the present application includes at least one of the following beneficial technical effects:
1. after the pressure sensor is fixed, the staff can control the sealing ring to move downwards and lock through the driving assembly, so that the sealing ring is promoted to deform, and the sealing and anti-loosening effects of the sealing ring are achieved. Moreover, when the pressure sensor is fixed, the sealing ring is accommodated in the chute, so that the sealing ring is not easy to damage;
2. when the sealing ring is required to be controlled to move downwards, a worker can directly slide the control rod to the bottom of the control groove, and at the moment, the control rod drives the mounting ring to move downwards, so that the sealing ring extends out of the sliding groove. The arc-shaped bulge is arranged on the wall of the control groove, so that the arc-shaped bulge can limit the control rod, and the possibility of deflection of the control rod is effectively reduced;
3. when the control rod slides to the bottom of control groove, the staff can directly peg graft handheld piece in the constant head tank to impel the cell wall of constant head tank to carry out spacingly through handheld piece to the control rod, effectively reduce the possibility that the sealing ring moved up, further improve sealing effect and the anti not hard up effect of sealing ring.
Drawings
Fig. 1 is a schematic structural view of a pressure sensor.
Fig. 2 is an exploded schematic view of the pressure sensor.
Fig. 3 is an exploded view of the anti-rattle mechanism.
Fig. 4 is an enlarged schematic view of the portion a in fig. 3.
Fig. 5 is an exploded view of the lever and the hand piece.
Reference numerals illustrate: 1. a pressure sensor body; 2. an anti-loosening mechanism; 11. a connecting groove; 21. a base ring; 22. a seal ring; 23. a positioning ring; 24. a drive assembly; 211. a connecting ring; 212. a chute; 213. a control groove; 214. arc-shaped protrusions; 215. a positioning groove; 241. a mounting ring; 242. a control lever; 243. a caulking groove; 244. a hand-held block; 245. a limit rod; 246. a limit groove; 247. a receiving groove; 248. an elastic rope.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
The embodiment of the application discloses a pressure sensor. Referring to fig. 1, the pressure sensor includes a pressure sensor body 1 and an anti-loosening mechanism 2. The anti-loosening mechanism 2 comprises a base ring 21, a sealing ring 22 and a driving assembly 24, wherein the sealing ring 22 is slidably connected in the base ring 21, the driving assembly 24 is arranged on the base ring 21, and the driving assembly 24 is used for driving the sealing ring 22 to move up and down and lock.
Referring to fig. 1 and 2, one end of the pressure sensor body 1 is provided with a thread, one end of the pressure sensor body 1 provided with the thread is provided with a connecting groove 11, the upper end surface of the base ring 21 is fixedly connected with a connecting ring 211, the base ring 21 is sleeved at the end of the pressure sensor body 1 provided with the thread, and the connecting ring 211 is in threaded connection with the connecting groove 11. A chute 212 is formed in the lower end face of the base ring 21, the chute 212 is deeper than the sealing ring 22, and the sealing ring 22 is slidably connected in the chute 212.
Referring to fig. 2 and 3, the driving assembly 24 includes a mounting ring 241 and a plurality of control rods 242, and it should be noted that in the present embodiment, two control rods 242 are provided, and the two control rods 242 are disposed on the outer peripheral surface of the mounting ring 241 at uniform intervals in the circumferential direction.
The mounting ring 241 is slidably connected in the chute 212, the lower end surface of the mounting ring 241 is provided with a caulking groove 243, and the sealing ring 22 is embedded in the caulking groove 243. Two control grooves 213 are vertically formed in the outer peripheral surface of the base ring 21, the two control grooves 213 are communicated with the sliding groove 212, and a control rod 242 penetrates through the control grooves 213 and is in interference insertion connection with the mounting ring 241. When the seal ring 22 needs to be controlled to move downwards, a worker can directly slide the control rod 242 to the bottom of the control groove 213, and at this time, the control rod 242 drives the mounting ring 241 to move downwards, so that the seal ring 22 extends out of the chute 212.
In order to facilitate the plugging of the control rod 242 onto the mounting ring 241, in this embodiment, the anti-loosening mechanism 2 further includes a positioning ring 23, the positioning ring 23 is screwed into the base ring 21, and when the control rod 242 is located at the lowest end of the control slot 213, the lower end surface of the mounting ring 241 abuts against the upper end surface of the positioning ring 23.
Referring to fig. 4 and 5, in order to reduce the possibility of upward movement of the seal ring 22 after the pressure sensor is fixed, in the present embodiment, circular arc-shaped protrusions 214 are provided outwardly on both groove walls of the control groove 213 in the vertical direction. The end of the control rod 242 remote from the mounting ring 241 is provided with a hand-held block 244, the hand-held block 244 extending out of the control slot 213.
Specifically, the end of the control rod 242 away from the mounting ring 241 is fixedly connected with a limiting rod 245, a limiting groove 246 is formed in the inner end surface of the handheld block 244, and the limiting rod 245 is slidably connected in the limiting groove 246. Positioning grooves 215 are formed at two ends of the control groove 213, and the hand-held blocks 244 are movably inserted into the positioning grooves 215. The holding groove 247 has been seted up to the one end that gag lever post 245 was kept away from control lever 242, is provided with the elastic cord 248 in the holding groove 247, and the tank bottom fixed connection of holding groove 247 is passed to the one end of elastic cord 248, and the other end of elastic cord 248 and the tank bottom of gag lever post 246.
When the sealing ring 22 needs to be extended out of the sliding groove 212 and fixed, the operator can first disengage the hand-held block 244 from the upper positioning groove 215 and slide downwards, and at this time, the control rod 242 drives the positioning ring 23 to move downwards synchronously, so as to disengage the sealing ring 22 from the sliding groove 212. When the hand-held block 244 is located in the lower positioning groove 215, the hand-held block 244 is released, and the hand-held block 244 can be inserted into the lower positioning groove 215 under the restoring action of the elastic rope 248, so that the groove wall of the positioning groove 215 and the arc-shaped protrusion 214 are promoted to synchronously limit the control rod 242, the possibility of upward movement of the sealing ring 22 is effectively reduced, and the sealing effect and the anti-loosening effect of the sealing ring 22 are indirectly improved.
In this embodiment, the fixing connection may be a conventional fixing connection manner such as welding, threaded connection, interference insertion, and hook fixing.
The implementation principle of the pressure sensor in the embodiment of the application is as follows:
after the pressure sensor is fixed, the operator can first disengage the hand-held block 244 from the upper positioning slot 215 and slide downwards, and at this time, the control rod 242 drives the positioning ring 23 to move downwards synchronously, so as to disengage the sealing ring 22 from the sliding slot 212. When the hand-held block 244 is located in the lower positioning groove 215, the hand-held block 244 can be inserted into the lower positioning groove 215 under the restoring action of the elastic rope 248 by releasing the hand-held block 244, so as to promote the groove wall of the positioning groove 215 and the arc-shaped protrusion 214 to synchronously limit the control rod 242.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. A pressure sensor, characterized by: the anti-loosening mechanism (2) comprises a base ring (21), a sealing ring (22) and a driving assembly (24), wherein threads are arranged at one end of the pressure sensor main body (1), and the base ring (21) is sleeved at one end of the pressure sensor main body (1) where the threads are arranged;
the lower end face of the base ring (21) is provided with a chute (212), the chute depth of the chute (212) is larger than the thickness of the sealing ring (22), the sealing ring (22) is connected in the chute (212) in a sliding mode, the driving assembly (24) is arranged on the base ring (21), and the driving assembly (24) is used for driving the sealing ring (22) to move up and down and lock.
2. The pressure sensor of claim 1, wherein: the driving assembly (24) comprises a mounting ring (241) and a plurality of control rods (242), the mounting ring (241) is connected in the sliding groove (212) in a sliding manner, and the sealing ring (22) is fixedly connected to the mounting ring (241); the outer peripheral surface of the base ring (21) is vertically provided with a control groove (213) which is mutually communicated with the sliding groove (212), two groove walls in the vertical direction of the control groove (213) are outwards provided with arc-shaped protrusions (214), the control rod (242) penetrates through the control groove (213) and is in interference connection with the mounting ring (241), and the control rod (242) forces the sealing ring (22) to be separated from the sliding groove (212) through the mounting ring (241).
3. The pressure sensor of claim 2, wherein: the lower end face of the mounting ring (241) is provided with an embedded groove (243), and the sealing ring (22) is embedded in the embedded groove (243).
4. The pressure sensor of claim 2, wherein: the anti-loosening mechanism (2) further comprises a positioning ring (23), the positioning ring (23) is in threaded connection with the base ring (21), and when the control rod (242) is located at the lowest end of the control groove (213), the lower end face of the mounting ring (241) is abutted with the upper end face of the positioning ring (23).
5. The pressure sensor of claim 2, wherein: one end of the control rod (242) far away from the mounting ring (241) is provided with a handheld block (244), and the handheld block (244) extends out of the control groove (213).
6. The pressure sensor of claim 5, wherein: the utility model discloses a control device, including collar (241) and hand piece, control lever (242) are provided with spacing pole (245) in the one end of keeping away from collar (241), spacing groove (246) have been seted up to the interior terminal surface of hand piece (244), spacing pole (245) slide connect in spacing groove (246), constant head tank (215) have been seted up at the both ends of control groove (213), hand piece (244) activity peg graft in constant head tank (215).
7. The pressure sensor of claim 6, wherein: the utility model discloses a control rod, including control rod (242) and spacing rod (245), holding groove (247) has been seted up to one end that spacing rod (245) was kept away from, be provided with elastic cord (248) in holding groove (247), one end of elastic cord (248) with the tank bottom fixed connection of holding groove (247), the other end of elastic cord (248) with the tank bottom fixed connection of spacing groove (246).
8. The pressure sensor of claim 1, wherein: the pressure sensor is characterized in that a connecting ring (211) is arranged on the upper end face of the base ring (21), a connecting groove (11) is formed in one end, provided with threads, of the pressure sensor main body (1), and the connecting ring (211) is connected in the connecting groove (11) in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321891264.1U CN220288844U (en) | 2023-07-18 | 2023-07-18 | Pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321891264.1U CN220288844U (en) | 2023-07-18 | 2023-07-18 | Pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220288844U true CN220288844U (en) | 2024-01-02 |
Family
ID=89328205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321891264.1U Active CN220288844U (en) | 2023-07-18 | 2023-07-18 | Pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220288844U (en) |
-
2023
- 2023-07-18 CN CN202321891264.1U patent/CN220288844U/en active Active
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