CN115615608A - Shock-proof electric contact pressure gauge - Google Patents
Shock-proof electric contact pressure gauge Download PDFInfo
- Publication number
- CN115615608A CN115615608A CN202110789649.6A CN202110789649A CN115615608A CN 115615608 A CN115615608 A CN 115615608A CN 202110789649 A CN202110789649 A CN 202110789649A CN 115615608 A CN115615608 A CN 115615608A
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- China
- Prior art keywords
- pressure gauge
- plug
- casing
- shock
- protector
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention provides an earthquake-resistant electric contact pressure gauge which comprises a hexagonal joint, wherein the top of the hexagonal joint is in threaded connection with a pressure gauge body; the utility model discloses a novel pressure gauge, including manometer body, casing, screw connection protecgulum, protecgulum and casing, be equipped with table glass between protecgulum and the casing, be equipped with insulating welt in the casing, the core subassembly is located and sets up between the back lid of insulating welt and casing, still be equipped with the relay between the back lid of insulating welt and casing, the relay respectively with sealed plug socket and welding piece electric connection, the welding piece is connected with the top pearl subassembly of installing on insulating welt, top pearl subassembly is connected with the gear wheel inboard of installing at insulating welt front side, the edge in the gear wheel outside is equipped with the contact, the gear wheel is connected with the gear mechanism that the avris set up under the manometer body, the core subassembly is connected through the gauge needle of pivot and the outside setting of gear wheel.
Description
Technical Field
The invention relates to an earthquake-resistant electric contact pressure gauge, and belongs to the technical field of pressure gauges.
Background
Pressure is the physical pressure, i.e. the magnitude of the pressure experienced per unit area. The instruments for measuring the pressure of a fluid (gas, liquid) and the instruments for measuring the pressure of a fluid (gas, liquid) are called pressure gauges, and the instruments are used for measuring the pressure of the fluid (gas, liquid) by taking the atmospheric pressure as a reference.
When the existing common spring tube type pressure gauge is directly used for a slurry conveying pipeline, a capillary tube and a spring tube for transmitting pressure in the gauge are easy to block and damage and are difficult to repair, and although the common membrane type pressure gauge is not blocked, the common membrane type pressure gauge does not have a damping device and is not suitable for measuring the pressure of slurry fluctuation clock pulse. The electric contact of current electric contact manometer is the pointer-type, drives the contact through rotating the pointer and carries out position adjustment, and in the use, because the influence of environment, the manometer can often be in vibrations environment, and the vibrations that last can cause the pointer position skew to a certain extent, leads to pointer and contact virtual joint easily, and then causes electric contact manometer to lose automatically controlled function.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the technical scheme that:
a shock-resistant electric contact pressure gauge comprises a hexagonal connector, wherein the top of the hexagonal connector is in threaded connection with a pressure gauge body, a protective plug is arranged in the hexagonal connector, a protective plug protector is arranged in the protective plug, the bottom of the protective plug protector is connected with a clamp spring fixedly arranged in the hexagonal connector, a damper assembly is arranged at the top end of the protective plug, a sealing gasket is arranged at the top end of the damper assembly, a diaphragm is arranged at the top end of the sealing gasket, an ejector rod is inserted in the center of the diaphragm, the top end of the ejector rod is connected with a fork spring, and the fork spring is connected with a core assembly in the pressure gauge body; the utility model discloses a novel pressure gauge, including manometer body, casing, screw connection protecgulum, protecgulum and casing, be equipped with table glass between protecgulum and the casing, be equipped with insulating welt in the casing, the core subassembly is located and sets up between the back lid of insulating welt and casing, still be equipped with the relay between the back lid of insulating welt and casing, the relay respectively with sealed plug socket and welding piece electric connection, the welding piece is connected with the top pearl subassembly of installing on insulating welt, top pearl subassembly is connected with the gear wheel inboard of installing at insulating welt front side, the edge in the gear wheel outside is equipped with the contact, the gear wheel is connected with the gear mechanism that the avris set up under the manometer body, the core subassembly is connected through the gauge needle of pivot and the outside setting of gear wheel.
Preferably, the top pearl subassembly includes the sealed installation section of thick bamboo in bottom, be equipped with the spring in the installation section of thick bamboo, spring top installation guide arm, the installation section of thick bamboo is installed in the mounting hole at insulating welt edge to fix through two nuts and installation section of thick bamboo threaded connection, the installation section of thick bamboo is gone up the cover and is established and weld piece welded packing ring, the packing ring is fixed through nut and installation section of thick bamboo threaded connection, the guide arm is connected with the inboard contact of gear wheel.
Preferably, gear mechanism includes adjusting screw, threaded connection is internal at the manometer body after the sealing washer is established to the adjusting screw cover, adjusting screw internally mounted bull stick, be equipped with two first annular grooves that are used for installing the sealing washer on the bull stick, the one end fixed connection regulation runner of bull stick, the pinion is connected to the other end, the pinion is connected with gear wheel meshing.
Preferably, the top bead assembly and the gearwheel are both metal material pieces.
Preferably, the plug protector is trumpet-shaped, a straight-through hole is formed in the middle of the plug protector, and the shape of the outer wall of the plug protector corresponds to the shape of the inner wall of the plug protector.
Furthermore, the opening edge at the top end of the plug protector is an arc surface.
Furthermore, the outer side wall of the bottom of the protection plug protector is a torus, is positioned outside the protection plug, and is in contact connection with the inner wall of the hexagonal joint.
Preferably, a second annular groove is formed in the hexagonal joint, and the clamp spring is installed in the second annular groove and connected with the bottom of the plug protector.
The large gear is driven to rotate by the rotation of the small gear, so that the function of adjusting the position of the contact is achieved, the large gear can be always connected with the ejecting ball assembly in the rotating process, and the electric control function of the electric contact pressure gauge is not influenced no matter how severe the electric contact pressure gauge works. The invention can effectively prevent the measured medium from entering the inside of the instrument, allows the measurement of medium pressure with higher viscosity and poorer fluidity, can also measure medium with corrosivity and gas, can also measure intense pulsation pressure, and can bear transient pressure impact (such as sudden pressure relief).
Drawings
FIG. 1 is a schematic view of a shock-resistant electro-contact pressure gauge according to the present invention.
Fig. 2 is a schematic diagram of the internal structure of a shock-resistant electric contact pressure gauge according to the present invention.
Fig. 3 is a side sectional view of a shock-resistant electro-contact pressure gauge of the present invention.
Fig. 4 is a sectional view in the direction B-B in fig. 1.
Fig. 5 isbase:Sub>A sectional view in the direction ofbase:Sub>A-base:Sub>A in fig. 1.
Fig. 6 is a schematic structural view of the plug protector of the present invention.
In the figure: 1. a hexagonal joint; 2. protecting the plug; 3. a plug protector; 4. a clamp spring; 5. a damper assembly; 6. a sealing gasket; 7. a membrane; 8. a top rod; 9. a fork spring; 10. a movement assembly; 11. a housing; 12. a front cover; 13. a watch glass; 14. an insulating lining plate; 15. a relay; 16. sealing the plug seat; 17. welding the sheet; 18. a top bead assembly; 1801. mounting the cylinder; 1802. a guide bar; 1803. a nut; 1804. a gasket; 19. a bull gear; 20. a contact; 21. a gear mechanism; 2101. adjusting the screw; 2102. a seal ring; 2103. a rotating rod; 2104. a rotating wheel; 2105. a pinion gear; 22. and (6) a watch hand.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-6, an earthquake-resistant electric contact pressure gauge comprises a hexagonal joint 1, the top of the hexagonal joint 1 is in threaded connection with a pressure gauge body, a protection plug 2 is arranged in the hexagonal joint 1, a protection plug protector 3 is arranged in the protection plug 2, the bottom of the protection plug protector 3 is connected with a clamp spring 4 fixedly arranged in the hexagonal joint 1, a damper assembly 5 is arranged at the top end of the protection plug 2, a sealing gasket 6 is arranged at the top end of the damper assembly 5, a diaphragm 7 is arranged at the top end of the sealing gasket 6, a push rod 8 is inserted in the center of the diaphragm 7, the top end of the push rod 8 is connected with a fork spring 9, and the fork spring 9 is connected with a movement assembly 10 in the pressure gauge body; the manometer body includes shell 11, bolted connection protecgulum 12 is passed through in shell 11's front, be equipped with table glass 13 between protecgulum 12 and the shell 11, the calibrated scale is pasted to table glass 13's inboard, be equipped with insulating welt 14 in the shell 11, movement assembly 10 is located and sets up between the back lid of insulating welt 14 and shell 11, still be equipped with relay 15 between the back lid of insulating welt 14 and shell 11, relay 15 respectively with sealed plug 16 seats and welding piece 17 electric connection, welding piece 17 is connected with the top pearl subassembly 18 of installing on insulating welt 14, top pearl subassembly 18 is connected with the gear wheel 19 inboard of installing in insulating welt 14 front side, the edge in the gear wheel 19 outside is equipped with contact 20, gear wheel 19 is connected with the gear mechanism 21 that the manometer body lower avris set up, movement assembly 10 is connected through pivot and the outside table needle 22 that sets up of gear wheel 19. The top bead assembly 18, the bull gear 19 and the contact 20 are all metal pieces.
The ball-ejecting component 18 includes the sealed installation section of thick bamboo 1801 in bottom, be equipped with the spring in the installation section of thick bamboo 1801, spring top installation guide arm 1802, installation section of thick bamboo 1801 is installed in the mounting hole at 14 edges of insulating welt to fix through two nuts 1803 and installation section of thick bamboo 1801 threaded connection, the installation section of thick bamboo 1801 goes up the cover and establishes and weld the gasket 1804 that piece 17 welded, the gasket 1804 is fixed through nut 1803 and installation section of thick bamboo 1801 threaded connection, guide arm 1802 is connected with the inboard contact of gear wheel 19. The spring is always in compression, ensuring that the guide bar 1802 is always connected to the large gear 19.
The gear mechanism 21 comprises an adjusting screw 2101, the adjusting screw 2101 is sleeved with a sealing ring 2102, the screw thread is connected in the pressure gauge body, a rotating rod 2103 is arranged in the adjusting screw 2101, two first annular grooves used for installing the sealing ring 2102 are formed in the rotating rod 2103, one end of the rotating rod 2103 is fixedly connected with an adjusting rotating wheel 2104, the other end of the rotating rod 2103 is connected with a small gear 2105, and the small gear 2105 is meshed with the large gear 19. The sealing ring 2102 functions as a seal, and the sealing ring 2102 located in the first annular groove can also function as a fixing part of the rotating rod 2103. The adjustment screw 2101 can be rotated to finely adjust the relative position of the pinion 2105 and the bull gear 19 to ensure that the two are always in mesh.
Protect and fill in protector 3 and be the loudspeaker form, the centre is equipped with through hole, the outer wall shape that protects and fill in protector 3 corresponds with the inner wall shape that protects stopper 2, protects and fill in protector 3 can install just in protecting stopper 2, and with protect 2 inner walls of stopper complete contact, the leakproofness is good. The opening edge at the top end of the plug protection protector 3 is an arc surface, so that the plug protection protector 3 is conveniently arranged in the plug protection 2.
The outer side wall of the bottom of the protection plug protector 3 is a circular ring surface, is located outside the protection plug 2, and is in contact connection with the inner wall of the hexagonal joint 1. The bottom edge of the plug protector 3 is tightly connected with the inner wall of the hexagonal joint 1, so that corrosive media and gas can be effectively prevented from entering the pressure gauge body from a gap between the protective plug and the inner wall of the hexagonal joint 1, and the sealing effect is achieved.
Be equipped with second annular groove in the hexagonal connects 1, jump ring 4 is installed in second annular groove to be connected with the bottom of protecting stopper protector 3, jump ring 4 is used for blocking and protects stopper protector 3, prevents to suck back to cause and protects stopper protector 3 and protect stopper 2 and break away from the manometer.
The working principle of the invention is as follows:
when the pressure of the measured medium is gradually increased from zero, a transmission mechanism in the movement assembly 10 drives the pointer 22 to rotate correspondingly, when the pointer 22 is in contact with the contact 20 with the preset pressure value, the contact 20 is connected with the large gear 19, the large gear 19 is always connected with the ball-ejecting assembly 18, the gasket 1804 on the ball-ejecting assembly 18 is connected with the welding sheet 17, the welding sheet 17 is connected with the relay 15, when the pointer 22 is in contact with the contact 20, the relay 15 is electrified, the relay 15 is attracted in contact, and a corresponding electric circuit connected with the relay 15 is switched on to realize an automatic control function.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (8)
1. A shock-proof electric contact pressure gauge is characterized in that: the pressure gauge comprises a hexagonal connector, the top of the hexagonal connector is in threaded connection with a pressure gauge body, a protective plug is arranged in the hexagonal connector, a protective plug protector is arranged in the protective plug, the bottom of the protective plug protector is connected with a clamp spring fixedly arranged in the hexagonal connector, a damper assembly is arranged at the top end of the protective plug, a sealing gasket is arranged at the top end of the damper assembly, a diaphragm is arranged at the top end of the sealing gasket, an ejector rod is inserted in the center of the diaphragm, the top end of the ejector rod is connected with a fork spring, and the fork spring is connected with a core assembly in the pressure gauge body; the utility model discloses a novel pressure gauge, including manometer body, casing, screw connection protecgulum, protecgulum and casing, be equipped with table glass between protecgulum and the casing, be equipped with insulating welt in the casing, the core subassembly is located and sets up between the back lid of insulating welt and casing, still be equipped with the relay between the back lid of insulating welt and casing, the relay respectively with sealed plug socket and welding piece electric connection, the welding piece is connected with the top pearl subassembly of installing on insulating welt, top pearl subassembly is connected with the gear wheel inboard of installing at insulating welt front side, the edge in the gear wheel outside is equipped with the contact, the gear wheel is connected with the gear mechanism that the avris set up under the manometer body, the core subassembly is connected through the gauge needle of pivot and the outside setting of gear wheel.
2. A shock-resistant electro-contact pressure gauge as claimed in claim 1, wherein: the ball subassembly in top includes the sealed installation section of thick bamboo in bottom, be equipped with the spring in the installation section of thick bamboo, spring top installation guide arm, the installation section of thick bamboo is installed in the mounting hole at insulating welt edge to fix through two nuts and installation section of thick bamboo threaded connection, the installation section of thick bamboo is gone up the cover and is established and weld piece welded packing ring, the packing ring is fixed through nut and installation section of thick bamboo threaded connection, the guide arm is connected with the inboard contact of gear wheel.
3. A shock-resistant electro-contact pressure gauge as set forth in claim 1, wherein: the gear mechanism comprises an adjusting screw, the adjusting screw is sleeved with a sealing ring and then is connected with the pressure gauge body in a threaded mode, a rotating rod is arranged inside the adjusting screw, two first annular grooves used for installing the sealing ring are formed in the rotating rod, one end of the rotating rod is fixedly connected with an adjusting rotating wheel, the other end of the rotating rod is connected with a small gear, and the small gear is connected with the large gear in a meshed mode.
4. A shock-resistant electro-contact pressure gauge as set forth in claim 1, wherein: the top bead assembly and the large gear are both metal material pieces.
5. A shock-resistant electro-contact pressure gauge as claimed in claim 1, wherein: the plug protector is horn-shaped, a straight-through hole is formed in the middle of the plug protector, and the shape of the outer wall of the plug protector corresponds to the shape of the inner wall of the plug protector.
6. A shock-resistant electro-contact pressure gauge as claimed in claim 5, wherein: the opening edge at the top end of the plug protector is an arc surface.
7. A shock tolerant electric contact pressure gauge as claimed in claim 6, wherein: the outer side wall of the bottom of the plug protection protector is a circular ring surface, is located outside the plug protection protector and is in contact connection with the inner wall of the hexagonal connector.
8. A shock-resistant electro-contact pressure gauge as claimed in claim 1, wherein: and a second annular groove is formed in the hexagonal joint, and the clamp spring is installed in the second annular groove and is connected with the bottom of the plug protector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110789649.6A CN115615608A (en) | 2021-07-13 | 2021-07-13 | Shock-proof electric contact pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110789649.6A CN115615608A (en) | 2021-07-13 | 2021-07-13 | Shock-proof electric contact pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115615608A true CN115615608A (en) | 2023-01-17 |
Family
ID=84854728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110789649.6A Pending CN115615608A (en) | 2021-07-13 | 2021-07-13 | Shock-proof electric contact pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115615608A (en) |
-
2021
- 2021-07-13 CN CN202110789649.6A patent/CN115615608A/en active Pending
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