CN219675344U - Residual pressure detector adopting rubber cushion sealing design - Google Patents
Residual pressure detector adopting rubber cushion sealing design Download PDFInfo
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- CN219675344U CN219675344U CN202321215016.5U CN202321215016U CN219675344U CN 219675344 U CN219675344 U CN 219675344U CN 202321215016 U CN202321215016 U CN 202321215016U CN 219675344 U CN219675344 U CN 219675344U
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- middle buckle
- air
- wall
- circuit board
- nozzle
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- 238000007789 sealing Methods 0.000 title claims abstract description 37
- 239000002184 metal Substances 0.000 claims abstract description 9
- 238000010079 rubber tapping Methods 0.000 claims description 9
- 239000003292 glue Substances 0.000 abstract description 12
- 238000005259 measurement Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a residual pressure detector adopting a rubber cushion sealing design, and relates to the technical field of residual pressure detectors. The utility model comprises a middle buckle, an air bleed nozzle, a circuit board and a rubber tube, wherein an annular groove is formed in the inner wall of the middle buckle, a sealing gasket is fixedly clamped in the annular groove, an air pressure sensor is arranged in the middle of one side of the circuit board, the air bleed nozzle is arranged on the outer wall of the middle buckle, the air pressure sensor is positioned in the annular groove, a plurality of metal elastic sheets are symmetrically arranged on the inner wall of the middle buckle relative to a vertical central line of the air bleed nozzle, two buckles are uniformly arranged on one side of the inner wall of the middle buckle, and the circuit board is fixedly clamped in the middle buckle through the two buckles. According to the utility model, the middle buckle is arranged, the air entraining nozzle is arranged on the outer wall of the middle buckle, the annular groove and the sealing gasket are used for sealing and fixing the air entraining nozzle and the air pressure sensor, the glue is not required to be used for sealing and fixing the air entraining nozzle and the air pressure sensor, and the middle buckle and the air entraining nozzle are integrally arranged, so that parts are reduced, and the assembly is convenient.
Description
Technical Field
The utility model belongs to the technical field of residual pressure detectors, and particularly relates to a residual pressure detector adopting a rubber cushion sealing design.
Background
The residual pressure detector is a machine which can detect the air pressure value by introducing external air into the air-introducing nozzle through a rubber tube when a fire disaster occurs and entering the airtight cavity of the air pressure sensor, and timely taking pressure relief measures when the system air pressure value exceeds the maximum allowable pressure difference, so that the indoor and outdoor pressure difference is reduced, the door can be smoothly opened for timely escape, the whole air-introducing nozzle of the air pressure sensor is sealed if the sealing is not practical, the system air pressure measured value and the actual pressure difference value deviate, the measurement is invalid, the air pressure sensor is ensured to be sealed, and the key for ensuring that the air pressure sensor measures effective data is ensured:
the existing residual pressure detector sealing mode mainly adopts a glue sealing mode, the air pressure sensor on the circuit board and the air entraining nozzle are fixed through glue adhesion, the measurement failure caused by air leakage between the air entraining nozzle and the circuit board is prevented, however, the glue needs to be injected and the glue is waited to solidify in the sealing mode, and the assembly is inconvenient.
Therefore, the existing residual pressure detector cannot meet the requirements in practical use, so that there is an urgent need for improved technology in the market to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide a residual pressure detector adopting a rubber cushion sealing design, wherein a middle buckle is arranged, an air entraining nozzle is arranged on the outer wall of the middle buckle, and the air entraining nozzle and an air pressure sensor are fixed in a sealing way through an annular groove and a sealing gasket, so that the problems that the existing residual pressure detector sealing way is mainly in a glue sealing way, the air pressure sensor on a circuit board and the air entraining nozzle are fixed and glued through glue, the measurement is invalid due to air leakage between the air entraining nozzle and the circuit board are prevented, but the glue needs to be glued and the glue is waited for to solidify, and the assembly is inconvenient are solved.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a residual pressure detector adopting a rubber cushion sealing design, which comprises a middle buckle, a gas-guiding nozzle, a circuit board and a rubber tube, wherein an annular groove is formed in the inner wall of the middle buckle, a sealing gasket is fixedly clamped in the annular groove, a gas pressure sensor is arranged in the middle of one side of the circuit board, the gas-guiding nozzle is arranged on the outer wall of the middle buckle, the gas-guiding nozzle is arranged in the annular groove, the gas-guiding nozzle is arranged on the outer wall of the middle buckle through the arrangement of the middle buckle, the gas-guiding nozzle and the gas pressure sensor are sealed and fixed through the annular groove and the sealing gasket, the gas-guiding nozzle and the gas-guiding sensor are not required to be sealed and fixed through glue, the middle buckle and the gas-guiding nozzle are integrally arranged, parts are reduced, and the assembly is convenient.
Further, the inner wall of the middle buckle is symmetrically provided with a plurality of metal elastic pieces about a vertical central line of the inner wall, two buckles are uniformly arranged on one side of the inner wall of the middle buckle, the metal elastic pieces and the buckles are fixed through the middle buckle, and the metal elastic pieces are convenient for the circuit board to communicate.
Further, the circuit board is fixed inside the middle buckle through two buckle clamping joints, and the buckle is convenient for fixing the fixed circuit board.
Further, four screw posts are uniformly arranged outside the annular groove, and four self-tapping screws are uniformly arranged inside the circuit board.
Further, the self-tapping screw penetrates through the circuit board and is screwed in the screw column, the position of the circuit board is further fixed through the cooperation of the self-tapping screw and the screw column, and the fixing stability of the circuit board is improved.
Further, the inner wall of the middle buckle is fixedly connected with the upper shell in a clamping manner, the outer wall of the middle buckle is fixedly connected with the mounting base in a clamping manner, and the middle buckle is subjected to cover sealing protection through the upper shell and the mounting base.
Further, the rubber tube is sleeved and fixed at one end of the air bleed nozzle, the air bleed nozzle penetrates through and extends to the outside of the mounting base, and air pressure is transmitted to the inside of the air pressure sensor through the rubber tube and the air bleed nozzle.
The utility model has the following beneficial effects:
according to the utility model, the middle buckle is arranged, the air entraining nozzle is arranged on the outer wall of the middle buckle, the annular groove and the sealing gasket are used for sealing and fixing the air entraining nozzle and the air pressure sensor, the glue is not required to be used for sealing and fixing the air entraining nozzle and the air pressure sensor, and the middle buckle and the air entraining nozzle are integrally arranged, so that parts are reduced, and the assembly is convenient.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings used for describing the embodiments will be briefly described below.
FIG. 1 is an exploded view of the overall structure of the present utility model;
FIG. 2 is an exploded view of the structure of the buckle and circuit board of the present utility model;
FIG. 3 is a schematic view of the structure of the middle buckle of the present utility model;
FIG. 4 is a diagram showing the relationship between the mounting base and the middle button.
In the drawings, the list of components represented by the various numbers is as follows:
1. middle buckle; 2. a metal spring plate; 3. a screw column; 4. an annular groove; 5. a buckle; 6. an air intake nozzle; 7. a circuit board; 8. an air pressure sensor; 9. a sealing gasket; 10. self-tapping screw; 11. an upper case; 12. a mounting base; 13. and (5) a rubber tube.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the residual pressure detector adopting the rubber cushion sealing design comprises a middle buckle 1, an air entraining nozzle 6, a circuit board 7 and a rubber tube 13, wherein an annular groove 4 is formed in the inner wall of the middle buckle 1, a sealing gasket 9 is fixedly clamped in the annular groove 4, an air pressure sensor 8 is arranged in the middle of one side of the circuit board 7, the air entraining nozzle 6 is arranged on the outer wall of the middle buckle 1, the air pressure sensor 8 is positioned in the annular groove 4, the air entraining nozzle 6 is arranged on the outer wall of the middle buckle 1 through the arrangement of the middle buckle 1, the air entraining nozzle 6 and the air pressure sensor 8 are fixed in a sealing mode through the annular groove 4 and the sealing gasket 9, the air entraining nozzle 6 and the air pressure sensor 8 are not required to be fixed in a sealing mode through glue, and the middle buckle 1 and the air entraining nozzle 6 are integrally arranged, parts are reduced, and the assembly is convenient.
As shown in fig. 2-3, a plurality of metal elastic pieces 2 are symmetrically arranged on the inner wall of the middle buckle 1 about the vertical central line of the middle buckle, two buckles 5 are uniformly arranged on one side of the inner wall of the middle buckle 1, the metal elastic pieces 2 and the buckles 5 are fixed through the middle buckle 1, the metal elastic pieces 2 are convenient for the circuit board 7 to communicate, the circuit board 7 is fixedly clamped inside the middle buckle 1 through the two buckles 5, the buckles 5 are convenient for fixing the fixed circuit board 7, four screw posts 3 are uniformly arranged outside the annular groove 4, four self-tapping screws 10 are uniformly arranged inside the circuit board 7, the self-tapping screws 10 penetrate through the circuit board 7 and are screwed inside the screw posts 3, the positions of the circuit board 7 are further fixed through the cooperation of the self-tapping screws 10 and the screw posts 3, and the fixing stability of the circuit board 7 is improved.
As shown in fig. 1-2 and fig. 4, an upper shell 11 is fixedly clamped on the inner wall of the middle buckle 1, a mounting base 12 is fixedly clamped on the outer wall of the middle buckle 1, the middle buckle 1 is subjected to cover protection through the upper shell 11 and the mounting base 12, a rubber tube 13 is fixedly sleeved at one end of the air bleed nozzle 6 in a sleeved mode, the air bleed nozzle 6 penetrates through and extends to the outside of the mounting base 12, and air pressure is transmitted to the inside of the air pressure sensor 8 through the rubber tube 13 and the air bleed nozzle 6.
Claims (7)
1. The utility model provides an afterpressure detector of adoption cushion seal design, includes well knot (1), bleed air mouth (6), circuit board (7) and rubber tube (13), its characterized in that: the inner wall of the middle buckle (1) is provided with an annular groove (4), the inside of the annular groove (4) is fixedly clamped with a sealing gasket (9), one side middle of the circuit board (7) is provided with an air pressure sensor (8), the air entraining nozzle (6) is arranged on the outer wall of the middle buckle (1), and the air pressure sensor (8) is located inside the annular groove (4).
2. The residual pressure detector adopting a rubber cushion sealing design as claimed in claim 1, wherein: the inner wall of the middle buckle (1) is symmetrically provided with a plurality of metal elastic sheets (2) about a vertical central line of the middle buckle, and two buckles (5) are uniformly arranged on one side of the inner wall of the middle buckle (1).
3. The residual pressure detector adopting a rubber cushion sealing design as claimed in claim 2, wherein: the circuit board (7) is fixedly clamped inside the middle buckle (1) through the two buckles (5).
4. The residual pressure detector adopting a rubber cushion sealing design as claimed in claim 1, wherein: four screw posts (3) are uniformly arranged outside the annular groove (4), and four self-tapping screws (10) are uniformly arranged inside the circuit board (7).
5. The residual pressure detector adopting a rubber gasket sealing design according to claim 4, wherein: the tapping screw (10) penetrates through the circuit board (7) and is screwed into the screw column (3).
6. The residual pressure detector adopting a rubber cushion sealing design as claimed in claim 1, wherein: the inner wall of the middle buckle (1) is fixedly connected with an upper shell (11) in a clamping manner, and the outer wall of the middle buckle (1) is fixedly connected with a mounting base (12) in a clamping manner.
7. The residual pressure detector adopting a rubber gasket sealing design according to claim 6, wherein: the rubber tube (13) is sleeved and fixed at one end of the air bleed nozzle (6), and the air bleed nozzle (6) penetrates through and extends to the outside of the mounting base (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321215016.5U CN219675344U (en) | 2023-05-19 | 2023-05-19 | Residual pressure detector adopting rubber cushion sealing design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321215016.5U CN219675344U (en) | 2023-05-19 | 2023-05-19 | Residual pressure detector adopting rubber cushion sealing design |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219675344U true CN219675344U (en) | 2023-09-12 |
Family
ID=87926991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321215016.5U Active CN219675344U (en) | 2023-05-19 | 2023-05-19 | Residual pressure detector adopting rubber cushion sealing design |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219675344U (en) |
-
2023
- 2023-05-19 CN CN202321215016.5U patent/CN219675344U/en active Active
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