CN221300414U - Pressure gauge with sealing structure - Google Patents
Pressure gauge with sealing structure Download PDFInfo
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- CN221300414U CN221300414U CN202323493683.2U CN202323493683U CN221300414U CN 221300414 U CN221300414 U CN 221300414U CN 202323493683 U CN202323493683 U CN 202323493683U CN 221300414 U CN221300414 U CN 221300414U
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- sealing
- pressure gauge
- connecting pipe
- sealing rubber
- fixedly connected
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- 238000007789 sealing Methods 0.000 title claims abstract description 117
- 238000005259 measurement Methods 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 abstract description 13
- 238000010030 laminating Methods 0.000 abstract description 3
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model provides a pressure gauge with a sealing structure, which belongs to the technical field of pressure gauge sealing, and comprises: the manometer dial plate, the lower extreme of manometer dial plate is equipped with sealing connection subassembly, it can be realized through mutually supporting between sealing rubber circle and the sealing rubber piece, can form two sections sealed effects, the structure department through sealing rubber circle reinforcing leakproofness at measurement connecting pipe and fixed pipe prevents to have the problem of clearance between through threaded connection, simultaneously through sealing rubber piece and measurement connecting pipe middle part interference connection's mode, can form secondary seal effect, prevent that gas leakage from leading to manometer test data to appear the deviation, mutually supporting between through check valve and sealing sleeve and sealing rubber piece, the inside injection air of sealing sleeve of accessible check valve, make the inside and outside air pressure difference that forms of sealing sleeve, sealing sleeve inside gas can also extrude sealing rubber piece and make its outer wall with measurement connecting pipe keep laminating.
Description
Technical Field
The utility model relates to the technical field of pressure gauge sealing, in particular to a pressure gauge with a sealing structure.
Background
The pressure gauge is a meter which takes an elastic element as a sensitive element and measures and indicates that the pressure is higher than the ambient pressure. The pressure gauge is almost applied to the fields of heat pipe networks, oil gas transmission, water and gas supply systems and the like in all industrial processes and scientific research fields, can intuitively display pressure changes of various links of enterprise production, monitors safety trend in the production operation process, constructs a first defense line of equipment safety operation and enterprise safety production through an automatic linkage or sensing device, and plays an important role in preventing accidents and guaranteeing personal and property safety.
Chinese patent grant bulletin number: CN217634352U provides a manometer with connect double containment structure, this scheme is through two-stage seal structure, the connection seal effect of manometer connector department is improved, seal treatment is done to the seam crossing of screw thread and connector outer wall through first sealing washer, further improve the connection seal effect of manometer connector department, but first sealing washer itself is installed through threaded connection's mode, first sealing washer itself just has the clearance with the connector outer wall, consequently, can not reach better seal effect, this scheme is through the sealing rubber piece of interference connection simultaneously the cooperation to inside apply air, make inside and outside formation pressure differential, remove the extrusion sealing rubber piece through the air and make its outer wall laminating with the measuring connection pipe mutually, improve the leakproofness.
Accordingly, there is a need to provide a pressure gauge with a sealing structure that solves the above-mentioned technical problems.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a pressure gauge with a sealing structure.
The utility model provides a pressure gauge with a sealing structure, which comprises: the lower end of the pressure gauge dial is provided with a sealing connection assembly;
The sealing connection assembly comprises a fixed pipe, the middle part fixedly connected with sealing sleeve of fixed pipe, the middle part of fixed pipe just is located sealing sleeve's inside fixedly connected with sealing rubber circle, sealing sleeve's lower extreme fixedly connected with sealing base, sealing base's upper end just is located sealing sleeve's inside fixedly connected with sealing rubber piece, sealing sleeve's middle part intercommunication is equipped with the check valve, the middle part of fixed pipe is through threaded connection has the measurement connecting pipe.
Preferably, the whole shape of sealing rubber piece is the toper setting, and sealing rubber piece and measurement connecting pipe pass through interference connection's mode fixed connection, sealing rubber piece's upper end internal diameter is less than the external diameter of measurement connecting pipe.
Preferably, the lower end of the sealing rubber ring is provided with an annular sealing groove which is matched with the measuring connecting pipe to be inserted into the seal.
Preferably, the middle part fixedly connected with cooperation measurement connecting pipe threaded connection's screw thread lug, and the internal thread hole of cooperation screw thread lug connection has been seted up to the inside of measurement connecting pipe.
Preferably, the upper end of the fixed pipe is provided with a circular hole which is matched with the fixed pipe for fixed connection.
Preferably, a circular mounting hole matched with the one-way valve for fixed connection is formed in the middle of the fixed pipe.
Compared with the related art, the pressure gauge with the sealing structure provided by the utility model has the following structure
The beneficial effects are that:
1. The utility model provides a manometer with seal structure, through mutually supporting between sealing rubber circle and the sealing rubber piece, can form two sections sealed effects, the structure department through sealing rubber circle reinforcing leakproofness at measurement connecting pipe and fixed pipe prevents to have the problem of clearance between through threaded connection, simultaneously through sealing rubber piece and measurement connecting pipe middle part interference connection's mode, can form the secondary seal effect, prevents that gas leakage from leading to manometer test data to appear the deviation.
2. A manometer with seal structure, through the cooperation between check valve and seal sleeve and the sealing rubber piece, the accessible check valve is to the inside air injection of seal sleeve, makes the inside and outside air pressure difference that forms of seal sleeve, and the inside gas of seal sleeve can also extrude the sealing rubber piece and make it keep laminating with the outer wall of measuring the connecting pipe.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a seal connection assembly according to the present utility model;
FIG. 3 is a schematic cross-sectional view of a sealing sleeve of the present utility model;
FIG. 4 is a schematic view of a split structure of a seal connection assembly according to the present utility model;
fig. 5 is a schematic view of the bottom view of the sealing rubber ring of the utility model.
Reference numerals in the drawings: 1. a pressure gauge dial; 2. sealing the connection assembly; 201. a fixed tube; 202. a sealing sleeve; 203. sealing the rubber ring; 204. sealing the base; 205. sealing rubber sheets; 206. a one-way valve; 207. the connecting tube is measured.
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 to 5, a pressure gauge with a sealing structure according to an embodiment of the present utility model includes: the pressure gauge dial 1, the lower end of the pressure gauge dial 1 is provided with a sealing connection assembly 2;
The sealing connection assembly 2 comprises a fixed pipe 201, wherein the middle part of the fixed pipe 201 is fixedly connected with a sealing sleeve 202, the middle part of the fixed pipe 201 is fixedly connected with a sealing rubber ring 203 which is positioned in the sealing sleeve 202, the lower end of the sealing sleeve 202 is fixedly connected with a sealing base 204, the upper end of the sealing base 204 is fixedly connected with a sealing rubber sheet 205 which is positioned in the sealing sleeve 202, the middle part of the sealing sleeve 202 is communicated with a check valve 206, and the middle part of the fixed pipe 201 is connected with a measurement connection pipe 207 through threads;
The measuring connecting pipe 207 to be monitored is only required to be aligned with the lower end of the fixed pipe 201, the pressure gauge dial 1 is rotated, the pressure gauge dial 1 rotates to drive the fixed pipe 201 to rotate, the fixed pipe 201 rotates into the measuring connecting pipe 207 through threads, the fixed pipe 201 is communicated with the measuring connecting pipe 207 through threads, in the rotating process, the sealing rubber sheet 205 is arranged in a conical mode, and the sealing rubber sheet 205 is made of softer rubber, so that the sealing rubber sheet 205 can be inserted into the sealing rubber sheet 205, the sealing rubber sheet 205 is tightly adhered to the surface of the measuring connecting pipe 207, the effect of two-section sealing is achieved, meanwhile, the sealing rubber ring 203 is matched to abut against the upper end of the measuring connecting pipe 207, the interface of the fixed pipe 201 and the measuring connecting pipe 207 is sealed, the sealing effect is improved, air pressure difference is formed inside and outside the sealing sleeve 202 through the one-way valve 206 after the installation, the sealing effect is improved, and meanwhile, the injected air can also squeeze the sealing rubber sheet 205 to be fully adhered to the middle part of the measuring connecting pipe 207.
The whole shape of the sealing rubber sheet 205 is in a conical shape, the sealing rubber sheet 205 is fixedly connected with the measuring connecting pipe 207 in an interference connection manner, and the inner diameter of the upper end of the sealing rubber sheet 205 is smaller than the outer diameter of the measuring connecting pipe 207.
The lower end of the sealing rubber ring 203 is provided with an annular sealing groove which is matched with the measuring connecting pipe 207 to insert and seal.
The middle part of the fixed pipe 201 is fixedly connected with a threaded bump which is matched with the threaded connection of the measurement connecting pipe 207, and the inside of the measurement connecting pipe 207 is provided with an internal threaded hole which is matched with the threaded bump connection.
The upper end of the fixed pipe 201 is provided with a circular hole which is matched with the fixed pipe 201 to be fixedly connected.
The middle part of the fixed pipe 201 is provided with a circular mounting hole which is fixedly connected with the check valve 206.
During operation, only the measuring connecting pipe 207 to be monitored is required to be aligned with the lower end of the fixed pipe 201, then the manometer dial 1 is rotated, the manometer dial 1 rotates to drive the fixed pipe 201 to rotate, the fixed pipe 201 rotates into the measuring connecting pipe 207 through threads, the fixed pipe 201 is communicated with the measuring connecting pipe 207, in the rotating process, the sealing rubber sheet 205 is arranged in a conical mode, and the sealing rubber sheet 205 is made of softer rubber materials, so that the sealing rubber sheet 205 can be inserted into the sealing rubber sheet 205, the sealing rubber sheet 205 is tightly adhered to the surface of the measuring connecting pipe 207, the effect of two-stage sealing is achieved, meanwhile, the sealing rubber ring 203 is matched to abut against the upper end of the measuring connecting pipe 207, the interface of the fixed pipe 201 and the measuring connecting pipe 207 is sealed, the sealing effect is improved, air is injected into the sealing sleeve 202 through the one-way valve 206 after the installation, the sealing sleeve 202 is internally and externally forms an air pressure difference, the sealing effect is improved, and meanwhile, the injected air can also squeeze the sealing rubber sheet 205 to be fully adhered to the middle of the measuring connecting pipe 207.
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 (6)
1. A pressure gauge having a sealing structure, comprising: the pressure gauge comprises a pressure gauge dial plate (1), wherein a sealing connection assembly (2) is arranged at the lower end of the pressure gauge dial plate (1);
Sealing connection subassembly (2) are including fixed pipe (201), the middle part fixedly connected with sealing sleeve (202) of fixed pipe (201), the inside fixedly connected with sealing rubber circle (203) of middle part and being located sealing sleeve (202) of fixed pipe (201), the lower extreme fixedly connected with sealing base (204) of sealing sleeve (202), the upper end of sealing base (204) just is located the inside fixedly connected with sealing rubber piece (205) of sealing sleeve (202), the middle part intercommunication of sealing sleeve (202) is equipped with check valve (206), the middle part of fixed pipe (201) is through threaded connection has measuring connecting pipe (207).
2. The pressure gauge with the sealing structure according to claim 1, wherein the whole shape of the sealing rubber sheet (205) is in a conical shape, the sealing rubber sheet (205) is fixedly connected with the measuring connecting pipe (207) in an interference connection manner, and the inner diameter of the upper end of the sealing rubber sheet (205) is smaller than the outer diameter of the measuring connecting pipe (207).
3. The pressure gauge with the sealing structure according to claim 1, wherein an annular sealing groove for inserting a measuring connecting pipe (207) into a seal is formed at the lower end of the sealing rubber ring (203).
4. The pressure gauge with the sealing structure according to claim 1, wherein a threaded bump matched with the threaded connection of the measurement connecting pipe (207) is fixedly connected to the middle part of the fixed pipe (201), and an internal threaded hole matched with the threaded bump connection is formed in the measurement connecting pipe (207).
5. The pressure gauge with the sealing structure according to claim 1, wherein a circular hole which is fixedly connected with the fixed pipe (201) is formed at the upper end of the fixed pipe (201).
6. The pressure gauge with the sealing structure according to claim 1, wherein a circular mounting hole which is fixedly connected with a one-way valve (206) is formed in the middle of the fixed pipe (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323493683.2U CN221300414U (en) | 2023-12-21 | 2023-12-21 | Pressure gauge with sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323493683.2U CN221300414U (en) | 2023-12-21 | 2023-12-21 | Pressure gauge with sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221300414U true CN221300414U (en) | 2024-07-09 |
Family
ID=91751650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323493683.2U Active CN221300414U (en) | 2023-12-21 | 2023-12-21 | Pressure gauge with sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221300414U (en) |
-
2023
- 2023-12-21 CN CN202323493683.2U patent/CN221300414U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant |