CN220018810U - Closed structure of pressure sensor - Google Patents
Closed structure of pressure sensor Download PDFInfo
- Publication number
- CN220018810U CN220018810U CN202321563448.5U CN202321563448U CN220018810U CN 220018810 U CN220018810 U CN 220018810U CN 202321563448 U CN202321563448 U CN 202321563448U CN 220018810 U CN220018810 U CN 220018810U
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- fixed
- sealing
- pressure sensor
- sleeve
- column
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- 238000007789 sealing Methods 0.000 claims abstract description 75
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of pressure sensors, discloses a sealing structure of a pressure sensor, and solves the problem that sealing performance of the sealing structure of the existing pressure sensor is weakened along with time. Can strengthen the leakproofness between fixed cover and the fixed column through seal assembly, can need seal between fixed cover and the fixed column when using, put into the inside of fixed cover with the seal cover, aim at the stopper with the spacing hole of seal cover bottom, then go into the inside of stopper with spacing hole card, the seal tube parcel is outside at the outlet duct, screw in the inside of fixed cover with the fixed column, the seal cover wraps up the bottom of fixed column, simultaneously the inside of sealing tube inserting the sealing strip of outlet duct and its outside, the seal tube can pack the gap between outlet duct and the sealing strip, accomplish the seal between outlet duct and the fixed column, and seal between fixed column and the fixed cover, can make the leakproofness stronger, reducible long-time use the back leakproofness weakens degree.
Description
Technical Field
The utility model relates to the technical field of pressure sensors, in particular to a closed structure of a pressure sensor.
Background
The pressure sensor is a sensor for measuring pressure, wherein the pressure sensor for measuring air pressure needs to seal a connecting position when in use, a sealing structure can be used at the moment, the sealing structure can seal the pressure sensor and an air outlet position, air leakage is prevented in the use process, and the measured pressure value is inaccurate.
The sealing gasket is needed to be used in the installation and use process of the sealing structure of the existing pressure sensor, but the sealing effect of the sealing gasket is achieved through pressing, the sealing effect can be weakened along with the use time, the air tightness of the joint can be poor at the moment, the condition that the common thread fixing mode is used for a long time and then the thread is possibly removed, and the sealing of the joint is poor.
Disclosure of Invention
The utility model aims to provide a closed structure of a pressure sensor, which adopts the device to work, so that the problem that the sealing performance of the closed structure of the existing pressure sensor is weakened along with time is solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pressure sensor's seal structure, includes the mount pad, fixes the fixed cover on the mount pad top to and install the sensor main part in fixed cover top, the inside bottom mounting of fixed cover has the outlet duct, and the inside of fixed cover is provided with seal assembly, and the inside both sides of fixed cover all are provided with locking subassembly, and the bottom mounting of sensor main part has the fixed column, and seal assembly is including setting up the seal cover in the fixed column below, fixes the seal tube in the inside bottom of seal cover to and set up the sealing strip in the fixed column inside, and the internal diameter of sealing strip is less than the external diameter of seal tube, and the internal diameter of seal tube is less than the external diameter of outlet duct.
Further, seal assembly still includes the spacing hole of seting up in fixed cover inside, and seal cover bottom end mounting has the stopper, and the external diameter of stopper is less than the internal diameter of spacing hole.
Further, the sealing strips are arranged in a plurality, and the sealing strips are distributed at equal intervals in the fixing columns.
Further, the external diameter of seal cover is greater than the internal diameter of fixed cover, and the external diameter of fixed column is greater than the internal diameter of seal cover.
Further, the anti-loosening assembly comprises a jack arranged in the sensor main body, a movable hole arranged in the fixed sleeve, and a plug column arranged in the movable hole, wherein the outer diameter of the plug column is larger than the inner diameter of the jack, and a plug structure is formed between the jack and the plug column.
Further, a deflector rod is fixed on one side of the inserted column, a spring is fixed at the bottom end of the inserted column, and the bottom end of the spring is fixedly connected with the movable hole.
Further, a through hole is formed in one side of the movable hole, and the outer diameter of the deflector rod is smaller than the inner diameter of the through hole in one side of the movable hole.
Further, the inserting columns form a telescopic structure in the movable holes through springs, two inserting columns are arranged, and the two inserting columns are symmetrically distributed on two sides of the fixed column.
Compared with the prior art, the utility model has the following beneficial effects:
the sealing structure of the pressure sensor provided by the utility model has the advantage that the sealing performance of the sealing structure of the existing pressure sensor can be weakened along with the time; the sealing assembly can strengthen the tightness between the fixed sleeve and the fixed column, the fixed sleeve and the fixed column are required to be sealed when the sealing assembly is used, the sealing sleeve is placed into the fixed sleeve, the limiting hole at the bottom end of the sealing sleeve is aligned with the limiting block, then the limiting hole is clamped into the limiting block, the sealing tube is wrapped outside the air outlet tube, the fixed column is screwed into the fixed sleeve, the bottom end of the fixed column is wrapped by the sealing sleeve, meanwhile, the air outlet tube and the sealing tube outside the air outlet tube are inserted into the sealing strip, the sealing tube can fill up a gap between the air outlet tube and the sealing strip, sealing between the air outlet tube and the fixed column is completed, and sealing between the fixed column and the fixed sleeve is achieved, so that the tightness is stronger, and the degree of weakening of tightness after long-time use can be reduced.
The anti-loosening assembly can prevent the fixed column from withdrawing wires from the inside of the fixed sleeve, when the anti-loosening assembly is installed, the deflector rod is pulled downwards, the deflector rod drives the inserted column to be drawn into the inside of the movable hole, the fixed column is screwed into the inside of the fixed sleeve at the moment, the jack is aligned with the position of the inserted column when the fixed column is screwed with the fixed sleeve, the deflector rod is loosened at the moment, the spring force of the spring pushes the inserted column, the inserted column is inserted into the inside of the jack, the sensor main body and the fixed sleeve are fixed at the moment, and the phenomenon that the tightness between the sensor main body and the fixed sleeve is poor due to the fact that the fixed column withdraws wires in the use process can be prevented.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic cross-sectional elevation view of the present utility model;
FIG. 3 is a schematic cross-sectional elevation view of the structure of FIG. 2A in accordance with the present utility model;
FIG. 4 is a schematic perspective view of a seal assembly according to the present utility model;
fig. 5 is a schematic diagram showing a front sectional structure of the anti-loosening assembly of the present utility model.
In the figure: 1. a mounting base; 2. a fixed sleeve; 3. a sensor body; 4. fixing the column; 5. an anti-loosening assembly; 51. a jack; 52. inserting a column; 53. a deflector rod; 54. a movable hole; 55. a spring; 6. a seal assembly; 61. sealing the tube; 62. a sealing strip; 63. sealing sleeve; 64. a limiting hole; 65. a limiting block; 7. and an air outlet pipe.
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.
For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings.
Referring to fig. 1 and 2, a closed structure of a pressure sensor includes a mounting base 1, a fixing sleeve 2 fixed at the top end of the mounting base 1, and a sensor main body 3 mounted above the fixing sleeve 2, an air outlet pipe 7 is fixed at the bottom end of the fixing sleeve 2, a sealing component 6 is arranged in the fixing sleeve 2, anti-loosening components 5 are arranged at two sides of the fixing sleeve 2, and a fixing column 4 is fixed at the bottom end of the sensor main body 3.
Specifically, when in use, the sensor main body 3 is arranged above the fixed sleeve 2 through the fixed column 4, then the mounting seat 1 inputs gas into the fixed column 4 through the gas outlet pipe 7, at the moment, the sensor main body 3 can display pressure, and the pressure sensor can be closed between the fixed sleeve 2 and the fixed column 4.
The utility model is further described below with reference to examples.
Example 1:
referring to fig. 3 and 4, the sealing assembly 6 includes a sealing sleeve 63 disposed below the fixing column 4, a sealing tube 61 fixed at the bottom end inside the sealing sleeve 63, and a sealing strip 62 disposed inside the fixing column 4, wherein the sealing strip 62 has an inner diameter smaller than the outer diameter of the sealing tube 61, and the sealing tube 61 has an inner diameter smaller than the outer diameter of the air outlet tube 7.
The seal assembly 6 further comprises a limiting hole 64 formed in the fixing sleeve 2, a limiting block 65 is fixed at the bottom end of the sealing sleeve 63, and the outer diameter of the limiting block 65 is smaller than the inner diameter of the limiting hole 64.
The sealing strips 62 are provided with a plurality of sealing strips 62 which are distributed at equal intervals in the fixing column 4.
The outer diameter of the sealing sleeve 63 is larger than the inner diameter of the fixing sleeve 2, and the outer diameter of the fixing column 4 is larger than the inner diameter of the sealing sleeve 63.
Specifically, the fixing sleeve 2 and the fixing column 4 need to be sealed when the fixing sleeve is used, the sealing sleeve 63 is placed into the fixing sleeve 2, the limiting hole 64 at the bottom end of the sealing sleeve 63 is aligned with the limiting block 65, the limiting hole 64 is clamped into the limiting block 65, the sealing tube 61 is wrapped outside the air outlet tube 7, the fixing column 4 is screwed into the fixing sleeve 2, the sealing sleeve 63 wraps the bottom end of the fixing column 4, meanwhile, the air outlet tube 7 and the sealing tube 61 outside the air outlet tube 7 are inserted into the sealing strip 62, gaps between the air outlet tube 7 and the sealing strip 62 are filled with sealing materials, sealing between the air outlet tube 7 and the fixing column 4 is completed, and sealing between the fixing column 4 and the fixing sleeve 2 is achieved, so that the sealing performance is stronger, and the degree of weakening of the sealing performance after long-time use can be reduced.
Example 2:
referring to fig. 5, the anti-loosening assembly 5 includes a jack 51 formed in the sensor body 3, a movable hole 54 formed in the fixed sleeve 2, a plug 52 formed in the movable hole 54, and a plug structure formed between the jack 51 and the plug 52, wherein the outer diameter of the plug 52 is larger than the inner diameter of the jack 51.
One side of the inserted post 52 is fixed with a deflector rod 53, the bottom end of the inserted post 52 is fixed with a spring 55, and the bottom end of the spring 55 is fixedly connected with the movable hole 54.
A through hole is formed in one side of the movable hole 54, and the outer diameter of the deflector rod 53 is smaller than the inner diameter of the through hole in one side of the movable hole 54.
The inserting posts 52 form a telescopic structure in the movable holes 54 through springs 55, two inserting posts 52 are arranged, and the two inserting posts 52 are symmetrically distributed on two sides of the fixed post 4.
Specifically, when installing, with the driving lever 53 downwardly pulling, driving lever 53 drives the inside income of spliced pole 52 to movable hole 54, screw in the inside of fixed cover 2 with fixed column 4 this moment, jack 51 aligns with spliced pole 52 position when screwing up between fixed column 4 and fixed cover 2, unclamp driving lever 53 this moment, the elasticity of spring 55 promotes spliced pole 52, spliced pole 52 inserts to the inside of jack 51, fix between sensor main part 3 and the fixed cover 2 this moment, can prevent that fixed column 4 from moving back the silk and leading to the leakproofness to worsen between sensor main part 3 and the fixed cover 2 in the use.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a closed structure of pressure sensor, includes mount pad (1), fixes fixed cover (2) on mount pad (1) top to and install sensor main part (3) in fixed cover (2) top, its characterized in that: the bottom end of the inside of the fixed sleeve (2) is fixedly provided with an air outlet pipe (7), the inside of the fixed sleeve (2) is provided with a sealing component (6), both sides of the inside of the fixed sleeve (2) are respectively provided with an anti-loosening component (5), and the bottom end of the sensor main body (3) is fixedly provided with a fixed column (4);
the sealing assembly (6) comprises a sealing sleeve (63) arranged below the fixed column (4), a sealing tube (61) fixed at the bottom end inside the sealing sleeve (63), and a sealing strip (62) arranged inside the fixed column (4), wherein the inner diameter of the sealing strip (62) is smaller than the outer diameter of the sealing tube (61), and the inner diameter of the sealing tube (61) is smaller than the outer diameter of the air outlet tube (7).
2. A pressure sensor enclosure according to claim 1, wherein: the sealing assembly (6) further comprises a limiting hole (64) formed in the fixing sleeve (2), a limiting block (65) is fixed at the bottom end of the sealing sleeve (63), and the outer diameter of the limiting block (65) is smaller than the inner diameter of the limiting hole (64).
3. A pressure sensor enclosure according to claim 1, wherein: the sealing strips (62) are arranged in a plurality, and the sealing strips (62) are distributed at equal intervals in the fixing columns (4).
4. A pressure sensor enclosure according to claim 1, wherein: the external diameter of seal cover (63) is greater than the internal diameter of fixed cover (2), and the external diameter of fixed column (4) is greater than the internal diameter of seal cover (63).
5. A pressure sensor enclosure according to claim 1, wherein: the anti-loosening assembly (5) comprises a jack (51) arranged in the sensor main body (3), a movable hole (54) arranged in the fixed sleeve (2), a plug column (52) arranged in the movable hole (54), and a plug structure formed between the jack (51) and the plug column (52), wherein the outer diameter of the plug column (52) is larger than the inner diameter of the jack (51).
6. The pressure sensor enclosure of claim 5, wherein: one side of the inserted post (52) is fixed with a deflector rod (53), the bottom end of the inserted post (52) is fixed with a spring (55), and the bottom end of the spring (55) is fixedly connected with the movable hole (54).
7. The pressure sensor enclosure of claim 6, wherein: a through hole is formed in one side of the movable hole (54), and the outer diameter of the deflector rod (53) is smaller than the inner diameter of the through hole in one side of the movable hole (54).
8. The pressure sensor enclosure of claim 6, wherein: the two inserting columns (52) are symmetrically distributed on two sides of the fixed column (4), and the inserting columns (52) form a telescopic structure in the movable hole (54) through springs (55).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321563448.5U CN220018810U (en) | 2023-06-19 | 2023-06-19 | Closed structure of pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321563448.5U CN220018810U (en) | 2023-06-19 | 2023-06-19 | Closed structure of pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220018810U true CN220018810U (en) | 2023-11-14 |
Family
ID=88672094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321563448.5U Active CN220018810U (en) | 2023-06-19 | 2023-06-19 | Closed structure of pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220018810U (en) |
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2023
- 2023-06-19 CN CN202321563448.5U patent/CN220018810U/en active Active
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