CN214373088U - Micro-differential pressure induction core - Google Patents
Micro-differential pressure induction core Download PDFInfo
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- CN214373088U CN214373088U CN202120600965.XU CN202120600965U CN214373088U CN 214373088 U CN214373088 U CN 214373088U CN 202120600965 U CN202120600965 U CN 202120600965U CN 214373088 U CN214373088 U CN 214373088U
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- differential pressure
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Abstract
The utility model discloses a little differential pressure response core relates to sensor technical field. The sensor comprises a sensor shell, wherein a shell cover is arranged above the sensor shell, an air guide pipe is fixedly arranged on one side of the sensor shell, a circuit board is movably arranged in the sensor shell, a core body is arranged on the side face of the circuit board, a mounting structure of a laminating circuit board is arranged in the sensor shell, a sealing structure is arranged in the sensor shell, and the mounting structure comprises a fixing block. Rotate through setting up the fly leaf for the one end of fly leaf drives connecting plate horizontal migration and tensile limiting spring, and the other end of fly leaf drives stopper rebound, makes stopper and circuit board separation, so makes the staff can take out the circuit board fast, thereby makes the staff can maintain the core body, has reached the effect of convenient to detach maintenance, has reached the effect that improves dismantlement efficiency.
Description
Technical Field
The utility model relates to a sensor technical field specifically is a little differential pressure response core.
Background
The micro-differential pressure is basically in low potential difference pressure according to the range standard, the pressure range lower than 1MPa is relatively wide in application range, and relates to the fields of automobile, medical treatment, electric power, security protection, industrial control and the like.
Among the prior art, general response core is placed and is all through the glued mode fixed mounting of colloid when sensor is inside, but this kind of fixed mode leads to the staff to bring the dismantlement difficulty when needing to dismantle the response core easily to can lead to dismantling efficiency reduction, if the information error that leaks gas and lead to the core response easily appears big when air duct and response core intercommunication in addition, for solving above-mentioned problem, the utility model provides a differential pressure response core.
SUMMERY OF THE UTILITY MODEL
The utility model provides a little differential pressure response core possesses convenient to detach maintenance and the sealed advantage of being convenient for to solve and dismantle efficiency and reduce and leak gas and lead to the big problem of information error of core response easily.
For the purpose of realizing convenient to detach maintenance and being convenient for to seal, the utility model provides a following technical scheme: a micro differential pressure sensing core comprises a sensor shell, a shell cover is arranged above the sensor shell, an air guide pipe is fixedly arranged on one side of the sensor shell, a circuit board is movably arranged in the sensor shell, a core body is arranged on the side face of the circuit board, an installation structure attached to the circuit board is arranged in the sensor shell, and a sealing structure is arranged in the sensor shell;
the mounting structure comprises a fixed block, the fixed block is fixedly positioned on the surface of the inner wall of the sensor shell, a limiting block is movably mounted inside the fixed block, a movable plate is movably mounted on the side face of the limiting block, a connecting plate is movably mounted at the bottom of the movable plate, and a limiting spring is arranged between the connecting plate and the fixed block;
the sealing structure comprises a first sealing block and a second sealing block, the first sealing block is fixedly arranged on the surface of one end of the circuit board, the first sealing block is movably arranged on the surface of the air duct, and a connecting spring is arranged between the second sealing block and the sensor shell.
As a preferred technical scheme of the utility model, the shifting chute has been seted up to the inside of fixed block, the one end of connecting plate and the inside sliding connection of shifting chute.
As a preferred technical scheme of the utility model, the side of the side laminating circuit board of stopper, the top of the bottom laminating circuit board of fixed block.
As a preferred technical scheme of the utility model, the seal groove has been seted up to one side of first sealed piece, the sealed piece of second is located the inside of seal groove, first sealed piece and the sealed piece of second are rubber and make.
As an optimal technical scheme of the utility model, sensor housing's inner wall fixed surface installs the supporting shoe, the side of the sealed piece of side laminating second of supporting shoe.
As a preferred technical scheme of the utility model, the four corners movable mounting of cap has the screw, the screw has been seted up in sensor housing's four corners, correspond between screw and the screw and match the setting.
Compared with the prior art, the utility model provides a little differential pressure response core possesses following beneficial effect:
1. this differential pressure response core rotates through setting up the fly leaf for the one end of fly leaf drives connecting plate horizontal migration and tensile spacing spring, and the other end of fly leaf drives the stopper rebound, makes stopper and circuit board separation, so makes the staff can take out the circuit board fast, thereby makes the staff can maintain the core body, has reached the effect of convenient to detach maintenance, has reached the effect that improves dismantlement efficiency.
2. This differential pressure response core, through setting up the inside that the sealed piece of second is located first sealed piece, support the position of the sealed piece of second through the compression of coupling spring simultaneously, so make the sealed piece of first sealed piece and second can seal the junction of air duct and circuit board one end jointly, reached sealed effect, the condition of gas leakage can appear when the one end of having avoided the air duct is connected with the one end of circuit board, thereby the information error increase of core body has been avoided.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is a front sectional view of the sealing structure of the present invention;
fig. 4 is a schematic structural diagram of the first sealing block of the present invention.
In the figure: 1. a sensor housing; 2. a shell cover; 3. an air duct; 4. a circuit board; 5. a core body; 6. a mounting structure; 7. a sealing structure; 8. a fixed block; 9. a limiting block; 10. a movable plate; 11. a connecting plate; 12. a limiting spring; 13. a moving groove; 14. a first seal block; 15. a sealing groove; 16. a second seal block; 17. a connecting spring; 18. a support block; 19. a screw; 20. and a screw hole.
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 utility model discloses a micro differential pressure sensing core, which comprises a sensor housing 1, a housing cover 2 is arranged above the sensor housing 1, an air duct 3 is fixedly arranged on one side of the sensor housing 1, a circuit board 4 is movably arranged in the sensor housing 1, a core body 5 is arranged on the side surface of the circuit board 4, an installation structure 6 attached to the circuit board 4 is arranged in the sensor housing 1, a sealing structure 7 is arranged in the sensor housing 1, the installation structure 6 comprises a fixed block 8, the fixed block 8 is fixedly arranged on the inner wall surface of the sensor housing 1, a limit block 9 is movably arranged in the fixed block 8, the side surface of the limit block 9 is attached to the side surface of the circuit board 4, the bottom of the fixed block 8 is attached to the top of the circuit board 4, and a movable plate 10 is movably arranged on the side surface of the limit block 9, the bottom movable mounting of fly leaf 10 has connecting plate 11, be provided with spacing spring 12 between connecting plate 11 and the fixed block 8, rotate through setting up fly leaf 10, make the one end of fly leaf 10 drive connecting plate 11 horizontal migration and tensile spacing spring 12, and the other end of fly leaf 10 drives stopper 9 rebound, make stopper 9 and circuit board 4 separation, so make the staff can take out circuit board 4 fast, thereby make the staff can maintain core body 5, the effect of convenient to detach maintenance has been reached, the effect that improves dismantlement efficiency has been reached.
The sealing structure 7 comprises a first sealing block 14 and a second sealing block 16, the first sealing block 14 is fixedly arranged on the surface of one end of the circuit board 4, the first sealing block 14 is movably arranged on the surface of the air duct 3, a connecting spring 17 is arranged between the second sealing block 16 and the sensor shell 1, the connecting spring 17 is in a compression state, the second sealing block 16 is arranged in the first sealing block 14, and the connecting spring 17 is compressed to support the position of the second sealing block 16, so that the first sealing block 14 and the second sealing block 16 can jointly seal the joint of the air duct 3 and one end of the circuit board 4, the sealing effect is achieved, the condition of air leakage when one end of the air duct 3 is connected with one end of the circuit board 4 is avoided, the increase of information error of the core body 5 is avoided, screws 19 are movably arranged at four corners of the shell cover 2, screw holes 20 are formed in four corners of the sensor shell 1, and the screws 19 and the screw holes 20 are correspondingly matched.
Specifically, a moving groove 13 is formed in the fixed block 8, and one end of the connecting plate 11 is slidably connected with the inside of the moving groove 13.
In this embodiment, one end of the connecting plate 11 is slidably connected to the inside of the moving slot 13, so that the connecting plate 11 can control the moving track of the lower end of the movable plate 10 through the moving slot 13, thereby achieving the effect of limiting movement.
Specifically, a sealing groove 15 is formed in one side of the first sealing block 14, the second sealing block 16 is located inside the sealing groove 15, and the first sealing block 14 and the second sealing block 16 are both made of rubber.
In this embodiment, utilize second seal block 16 to be located the inside of seal groove 15, and first seal block 14 and second seal block 16 are rubber and make for first seal block 14 and second seal block 16 can seal the junction of circuit board 4 one end and air duct 3 one end through the characteristic of self, have reached sealed effect.
Specifically, a supporting block 18 is fixedly installed on the inner wall surface of the sensor housing 1, and the side surface of the supporting block 18 is attached to the side surface of the second sealing block 16.
In this embodiment, the side surface of the supporting block 18 is attached to the side surface of the second sealing block 16, so that the supporting block 18 can limit the degree of the second sealing block 16 compressing the connecting spring 17, and the supporting block 18 can provide supporting force for the second sealing block 16, thereby achieving the effect of limiting and supporting.
The utility model discloses a theory of operation and use flow: when in use, the second sealing block 16 is positioned inside the first sealing block 14, and the position of the second sealing block 16 is compressed and supported by the connecting spring 17, so that the first sealing block 14 and the second sealing block 16 can jointly seal the joint of the gas guide tube 3 and one end of the circuit board 4, so that gas can reach the surface of the core body 5 through the gas guide tube 3 and the circuit board 4, and thus the operation is performed, when the core body 5 needs to be overhauled, the movable plate 10 is rotated, one end of the movable plate 10 drives the connecting plate 11 to horizontally move along the moving groove 13, and the connecting plate 11 stretches the limiting spring 12, the other end of the movable plate 10 drives the limiting block 9 to move upwards, so that the limiting block 9 is separated from the circuit board 4, then the circuit board 4 is horizontally moved, so that the top of the circuit board 4 is moved away from the lower part of the fixed block 8, and the second sealing block 16 is separated from the sealing groove 15 under the elasticity of the connecting spring 17, and make the one end of circuit board 4 and the one end separation of air duct 3, so make the staff can take out circuit board 4 to make things convenient for the staff to overhaul core body 5.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A micro differential pressure induction core body comprises a sensor shell (1), and is characterized in that: a shell cover (2) is arranged above the sensor shell (1), an air guide pipe (3) is fixedly arranged on one side of the sensor shell (1), a circuit board (4) is movably arranged in the sensor shell (1), a core body (5) is arranged on the side face of the circuit board (4), an installation structure (6) attached to the circuit board (4) is arranged in the sensor shell (1), and a sealing structure (7) is arranged in the sensor shell (1);
the mounting structure (6) comprises a fixed block (8), the fixed block (8) is fixedly positioned on the inner wall surface of the sensor shell (1), a limiting block (9) is movably mounted inside the fixed block (8), a movable plate (10) is movably mounted on the side surface of the limiting block (9), a connecting plate (11) is movably mounted at the bottom of the movable plate (10), and a limiting spring (12) is arranged between the connecting plate (11) and the fixed block (8);
seal structure (7) are including first sealed piece (14) and second sealed piece (16), first sealed piece (14) are fixed to be located the surface of circuit board (4) one end, first sealed piece (14) activity is located the surface of air duct (3), be provided with between second sealed piece (16) and sensor housing (1) coupling spring (17).
2. The micro differential pressure sensing core according to claim 1, wherein: a moving groove (13) is formed in the fixing block (8), and one end of the connecting plate (11) is connected with the moving groove (13) in a sliding mode.
3. The micro differential pressure sensing core according to claim 1, wherein: the side of circuit board (4) is laminated to the side of stopper (9), the top of circuit board (4) is laminated to the bottom of fixed block (8).
4. The micro differential pressure sensing core according to claim 1, wherein: a sealing groove (15) is formed in one side of the first sealing block (14), the second sealing block (16) is located inside the sealing groove (15), and the first sealing block (14) and the second sealing block (16) are made of rubber.
5. The micro differential pressure sensing core according to claim 1, wherein: the sensor comprises a sensor shell (1), wherein a supporting block (18) is fixedly mounted on the surface of the inner wall of the sensor shell (1), and the side face of the supporting block (18) is attached to the side face of a second sealing block (16).
6. The micro differential pressure sensing core according to claim 1, wherein: screws (19) are movably mounted at four corners of the shell cover (2), screw holes (20) are formed in the four corners of the sensor shell (1), and the screws (19) and the screw holes (20) are correspondingly matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120600965.XU CN214373088U (en) | 2021-03-22 | 2021-03-22 | Micro-differential pressure induction core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120600965.XU CN214373088U (en) | 2021-03-22 | 2021-03-22 | Micro-differential pressure induction core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214373088U true CN214373088U (en) | 2021-10-08 |
Family
ID=77972579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120600965.XU Active CN214373088U (en) | 2021-03-22 | 2021-03-22 | Micro-differential pressure induction core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214373088U (en) |
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2021
- 2021-03-22 CN CN202120600965.XU patent/CN214373088U/en active Active
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