CN220708618U - Self-sealing pressure gauge - Google Patents
Self-sealing pressure gauge Download PDFInfo
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- CN220708618U CN220708618U CN202322151853.2U CN202322151853U CN220708618U CN 220708618 U CN220708618 U CN 220708618U CN 202322151853 U CN202322151853 U CN 202322151853U CN 220708618 U CN220708618 U CN 220708618U
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- 238000007789 sealing Methods 0.000 title claims abstract description 60
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 16
- 239000012530 fluid Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 101100293261 Mus musculus Naa15 gene Proteins 0.000 description 1
- 241000283216 Phocidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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 discloses a self-sealing pressure gauge, which comprises a shell and a self-sealing mechanism; a shell: the lower end of the shell is provided with an external thread pipe, the lower end of an intrados of the shell is provided with a baffle plate, a sliding groove in the middle of the baffle plate is vertically and slidably connected with a sliding plate, a measuring corrugated pipe is arranged between the outer edge of the upper surface of the sliding plate and the upper end of the baffle plate, the middle of the upper surface of the sliding plate is provided with a connecting column, the upper end of the connecting column is provided with a rack plate, the middle of a scale groove on the front surface of the shell is rotationally connected with a pointer through a rotating shaft, the extrados of the rotating shaft of the pointer is provided with a gear, the gear is positioned in the shell, and the gear is in meshed connection with the rack plate; the sealing component of the self-sealing pressure gauge can move along with the increase of pressure, the sealing effect of the connecting part of the pressure gauge and an external pipeline is automatically increased, the greater the pressure is, the better the sealing effect between the pressure gauge and the external pipeline is, and the probability of leakage of the connecting part of the pressure gauge caused by overlarge pressure is reduced.
Description
Technical Field
The utility model relates to the technical field of pressure gauges, in particular to a self-sealing pressure gauge.
Background
The pressure gauge is used for measuring and indicating pressure higher than ambient pressure, the pressure gauge is widely applied, so that almost all industrial processes and scientific research fields are applied, the pressure gauge exists in the fields of vehicle maintenance shops, heating power pipe networks, water supply and air supply systems and the like, the working principle of the pressure gauge is that deformation pressure is transmitted to a pointer through the elastic deformation of a sensitive element in the gauge and then through a conversion mechanism of a movement in the gauge, and the pointer is changed to display the pressure; in the prior art, when the manometer is used, the manometer is required to be installed on a pipeline at first, and the manometer is connected with the pipeline in a threaded mode, the screwed pipe at the lower end of the manometer is connected with the threaded hole on the pipeline in a threaded mode, the position of the manometer is fixed, meanwhile, in order to avoid leakage of the screwed pipe part of the manometer, a sealing part is often arranged on the surface of the screwed pipe of the manometer, the installation part of the manometer is sealed, but when the pressure in the pipeline is too large, acting force received by the sealing part is large, the sealing effect of the sealing part is easy to reduce, leakage of the installation part of the manometer is very easy to occur, and normal use of the manometer is affected.
Disclosure of Invention
The utility model aims to overcome the existing defects, and provides the self-sealing pressure gauge, wherein the sealing component of the pressure gauge can move along with the increase of pressure, so that the sealing effect of the connecting part of the pressure gauge and an external pipeline is automatically improved, the leakage probability of the connecting part of the pressure gauge when the pressure is overlarge is reduced, and the problems in the background technology can be effectively solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a self-sealing pressure gauge, comprising a shell and a self-sealing mechanism;
a shell: the lower end of the shell is provided with an external thread pipe, the lower end of an intrados of the shell is provided with a baffle plate, a sliding groove in the middle of the baffle plate is vertically and slidably connected with a sliding plate, a measuring corrugated pipe is arranged between the outer edge of the upper surface of the sliding plate and the upper end of the baffle plate, the middle of the upper surface of the sliding plate is provided with a connecting column, the upper end of the connecting column is provided with a rack plate, the middle of a scale groove on the front surface of the shell is rotationally connected with a pointer through a rotating shaft, the extrados of the rotating shaft of the pointer is provided with a gear, the gear is positioned in the shell, and the gear is in meshed connection with the rack plate;
self-sealing mechanism: the sealing component of the pressure gauge can move along with the increase of pressure, the sealing effect of the connecting part of the pressure gauge and the external pipeline is automatically increased, the greater the pressure is, the better the sealing effect between the pressure gauge and the external pipeline is, the probability of leakage of the connecting part of the pressure gauge caused by overlarge pressure is reduced, and the guaranteed normal use of the pressure gauge is realized.
Further, the self-sealing mechanism comprises a mounting ring and a rubber pad, wherein the mounting ring is vertically connected with the outer cambered surface of the pipe body at the upper end of the externally threaded pipe in a sliding mode, and the rubber pad is arranged on the outer cambered surface of the mounting ring to seal the mounting position of the pressure gauge.
Further, self sealss mechanism still includes to move rack board, drive gear, moves rack board and slide tube down, move rack board down and set up respectively in the upper surface of collar upper end ring, move rack board down respectively with the through-hole sliding connection on casing surface, drive gear rotates through the axis of rotation respectively and connects between the front and back inner wall of casing, slide tube vertical sliding connection is in the intrados of external screw thread pipe, the intrados of slide tube is laminated with the surface of baffle, the upper end of slide tube is equipped with respectively and moves rack board up, moves rack board up and the same transmission gear engagement of rack board down of homonymy and be connected, utilize the change of pressure to make the collar move down.
Further, the self-sealing mechanism further comprises a reset corrugated pipe, and the reset corrugated pipe is arranged between the lower end of the sliding pipe and the upper end of the intrados of the external threaded pipe, so that the reset of the installation ring is facilitated.
Further, the rubber pad is the toper rubber pad, and the extrados of rubber pad is inclined to the direction of keeping away from the external screw thread pipe gradually from the bottom up, makes things convenient for in the mounting hole of rubber pad inserted outside pipeline.
Furthermore, the sliding plate is a ceramic sliding plate, and the ceramic sliding tube is arranged outside the sliding tube, so that leakage of fluid is avoided.
Further, transparent glass is arranged in the mounting hole at the front end of the housing scale groove, and the front end of the housing scale groove is sealed.
Compared with the prior art, the utility model has the beneficial effects that: the self-sealing pressure gauge has the following advantages:
when the pressure gauge is used, the pressure in the external pipeline is applied to the lower surfaces of the sliding plate and the sliding pipe, the sliding plate and the sliding pipe move upwards, the elastic force of the measuring corrugated pipe is overcome by the upward movement of the sliding plate, the rack plate is driven to move upwards, the pointer rotates by a certain angle through meshed connection of the rack plate and the gear, the pressure in the current pipeline is displayed, the elastic force of the resetting corrugated pipe is overcome by the upward movement of the sliding pipe, the upward movement rack plate is enabled to move upwards, the downward movement rack plate drives the mounting ring to move downwards through transmission of the transmission gear, the rubber pad is further inserted into the mounting hole of the external pipeline, the sealing part of the pressure gauge can move along with the increase of the pressure, the sealing effect of the connecting part of the pressure gauge and the external pipeline is automatically increased, the sealing effect between the pressure gauge and the external pipeline is better, the leakage probability of the connecting part of the pressure gauge when the pressure is reduced, and the pressure gauge is ensured to be normally used.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic side view in cross section of the overall apparatus of the present utility model;
FIG. 3 is a schematic diagram of the structure of the whole device in front section;
fig. 4 is an enlarged schematic view of the structure of the present utility model at a.
In the figure: 1 shell, 2 external screw thread pipes, 3 partition plates, 4 sliding plates, 5 connecting columns, 6 rack plates, 7 gears, 8 pointers, 9 self-sealing mechanisms, 91 downward moving rack plates, 92 transmission gears, 93 upward moving rack plates, 94 sliding pipes, 95 rubber pads, 96 resetting corrugated pipes, 97 sliding pipes, 10 measuring corrugated pipes and 11 transparent glass.
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 present embodiment provides a technical solution: a self-sealing pressure gauge, comprising a housing 1 and a self-sealing mechanism 9;
the shell 1: the lower end of the pressure gauge is provided with an external threaded pipe 2, the pressure gauge is fixedly arranged on an external pipeline through threaded connection of the external threaded pipe 2 and an internal threaded hole on the external pipeline, the lower end of an internal cambered surface of the shell 1 is provided with a baffle plate 3 for providing support for the arrangement of a measuring part, a sliding plate 4 is vertically and slidingly connected in a sliding groove in the middle part of the baffle plate 3, a measuring corrugated pipe 10 is arranged between the outer edge of the upper surface of the sliding plate 4 and the upper end of the baffle plate 3, a connecting column 5 is arranged in the middle part of the upper surface of the sliding plate 4, a rack plate 6 is arranged at the upper end of the connecting column 5, the middle part of a scale groove on the front surface of the shell 1 is rotationally connected with a pointer 8 through a rotating shaft, the outer cambered surface of the rotating shaft of the pointer 8 is provided with a gear 7, the gear 7 is positioned in the interior of the shell 1, the gear 7 is meshed with the rack plate 6, the pressure in the external pipeline is acted on the lower surface of the sliding plate 4, the sliding plate 4 is moved upwards, the elastic force of the measuring corrugated pipe 10 is overcome, the rack plate 6 is driven to move upwards, the pointer 8 is rotated by a certain angle through meshed connection of the rack plate 6, the pointer 8 is rotated, the pressure in the current pipeline is displayed, and when the pressure in the external pipeline is small, the pressure in the real-time pipeline is changed, the pressure is measured under the effect of the pressure in the front pipeline, the transparent pipeline is in the front end, the front end is provided with the transparent pipeline, and the pressure is sealed, and the pressure is displayed by the front end 11, and is displayed in the front, and is at the pressure is displayed;
the self-sealing mechanism 9: the self-sealing mechanism 9 comprises a mounting ring 94 and a rubber pad 95, wherein the mounting ring 94 is vertically and slidably connected to the outer arc surface of the upper end pipe body of the externally threaded pipe 2, the rubber pad 95 is arranged on the outer arc surface of the mounting ring 94, the self-sealing mechanism 9 further comprises a downward moving rack plate 91, a transmission gear 92, an upward moving rack plate 93 and a slide pipe 97, the downward moving rack plate 91 is respectively arranged on the upper surface of the circular ring at the upper end of the mounting ring 94, the downward moving rack plate 91 is respectively and slidably connected with a through hole on the surface of the housing 1, the transmission gear 92 is respectively and rotatably connected between the front inner wall and the rear inner wall of the housing 1 through a rotation shaft, the slide pipe 97 is vertically and slidably connected to the inner arc surface of the externally threaded pipe 2, the inner arc surface of the slide pipe 97 is attached to the surface of the partition plate 3, the upper end of the slide pipe 97 is respectively provided with the upward moving rack plate 93, the upward moving rack plate 93 is in meshed connection with the downward moving rack plate 91 on the same side, and the transmission gear 92 are uniformly meshed with the upward moving rack plate 93, the pressure in the external pipeline acts on the lower surface of the sliding pipe 97 to enable the sliding pipe 97 to move upwards, the upward movement of the sliding pipe 97 overcomes the elastic force of the reset corrugated pipe 96, the upward movement of the rack plate 93 moves upwards, the upward movement of the sliding pipe 97 overcomes the elastic force of the sliding pipe 97 by virtue of the elastic force of the sliding pipe 97 and the elastic force of the sliding pipe 97 because the upward movement of the rack plate 93 is meshed with the downward movement of the rack plate 91 on the same side and the transmission gear 92 is uniform, the downward movement of the rack plate 91 drives the mounting ring 94 to move downwards, the rubber gasket 95 is further inserted into the mounting hole of the external pipeline, the sealing effect between the external threaded pipe 2 and the external pipeline is automatically improved, the greater the pressure is, the longer the downward movement distance of the rubber gasket 95 is, the better the sealing effect is, the probability of leakage caused by the overlarge pressure is reduced, the self-sealing mechanism 9 further comprises the reset corrugated pipe 96, the reset corrugated pipe 96 is arranged between the lower end of the sliding pipe 97 and the upper end of the intrados surface of the external threaded pipe 2, when pressure reduces, make slide tube 97 reset, rubber pad 95 is the toper rubber pad, and the extrados of rubber pad 95 is inclined to the direction of keeping away from external screw thread pipe 2 gradually from the bottom up, makes things convenient for in the mounting hole of the better external pipeline of inserting of rubber pad 95, and slide 4 is the ceramic slide, reduces fluid and reveal between slide 4 extrados and the baffle 3 intrados, and slide tube 97 outer ceramic slide tube reduces fluid and reveal between external screw thread pipe 2 intrados, slide tube 97 extrados and the baffle 3 surface.
The working principle of the self-sealing pressure gauge provided by the utility model is as follows: when the sealing device is used, the pressure gauge is connected with an external pipeline through the external threaded pipe 2, the rubber gasket 95 is inserted into the mounting hole of the external pipeline, the mounting hole of the external pipeline is sealed with the external threaded pipe 2, the pressure in the external pipeline is acted on the lower surfaces of the sliding plate 4 and the sliding pipe 97, the sliding plate 4 and the sliding pipe 97 move upwards, the elastic force of the measuring corrugated pipe 10 is overcome by the upward movement of the sliding plate 4, the rack plate 6 is driven to move upwards, the pointer 8 rotates by a certain angle through the meshed connection of the rack plate 6 and the gear 7, the pressure in the current pipeline is displayed, and similarly, when the pressure in the external pipeline is reduced, the pointer 8 reversely rotates under the elastic force of the measuring corrugated pipe 10, the pressure in the external pipeline is displayed in real time, meanwhile, the upward movement of the sliding pipe 97 overcomes the elastic force of the resetting corrugated pipe 96, and the upward movement of the rack plate 93 moves upwards because the upward movement of the rack plate 93 is meshed with the downward movement of the same side of the uniform transmission gear 92, the downward movement of the rack plate 91 drives the mounting ring 94 to move downwards, the rubber gasket 95 is driven to move downwards, the pressure in the current pipeline is further, the sealing device is further inserted into the external pipeline, the sealing device has a large sealing effect, and the sealing effect is greatly reduced, and the sealing effect is achieved, and the sealing effect is better than the sealing effect is achieved when the pressure is further the external pipeline is more than the sealing device and the sealing device is more sealed.
The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the utility model.
Claims (7)
1. A self-sealing pressure gauge, characterized in that: comprises a housing (1) and a self-sealing mechanism (9);
shell (1): the lower end of the device is provided with an external thread pipe (2), the lower end of an intrados of the shell (1) is provided with a baffle plate (3), a sliding plate (4) is vertically and slidably connected in a sliding groove in the middle of the baffle plate (3), a measuring corrugated pipe (10) is arranged between the outer edge of the upper surface of the sliding plate (4) and the upper end of the baffle plate (3), the middle of the upper surface of the sliding plate (4) is provided with a connecting column (5), the upper end of the connecting column (5) is provided with a rack plate (6), the middle of a scale groove in the front surface of the shell (1) is rotationally connected with a pointer (8) through a rotating shaft, the extrados of the rotating shaft of the pointer (8) is provided with a gear (7), the gear (7) is positioned in the shell (1), and the gear (7) is in meshed connection with the rack plate (6);
self-sealing mechanism (9): is arranged at the lower end of the shell (1).
2. A self-sealing pressure gauge according to claim 1, wherein: the self-sealing mechanism (9) comprises a mounting ring (94) and a rubber pad (95), wherein the mounting ring (94) is vertically connected with the outer arc surface of the upper end pipe body of the externally threaded pipe (2) in a sliding mode, and the rubber pad (95) is arranged on the outer arc surface of the mounting ring (94).
3. A self-sealing pressure gauge according to claim 2, wherein: the self-sealing mechanism (9) further comprises a downward-moving rack plate (91), a transmission gear (92), an upward-moving rack plate (93) and a slide tube (97), wherein the downward-moving rack plate (91) is respectively arranged on the upper surface of the circular ring at the upper end of the mounting ring (94), the downward-moving rack plate (91) is respectively connected with the through hole on the surface of the shell (1) in a sliding manner, the transmission gear (92) is respectively connected between the front inner wall and the rear inner wall of the shell (1) through a rotating shaft in a rotating manner, the slide tube (97) is vertically and slidably connected with the inner cambered surface of the external thread tube (2), the inner cambered surface of the slide tube (97) is attached to the surface of the partition plate (3), the upper end of the slide tube (97) is respectively provided with the upward-moving rack plate (93), and the downward-moving rack plate (91) on the same side is meshed with the transmission gear (92).
4. A self-sealing manometer according to claim 3, characterized in that: the self-sealing mechanism (9) further comprises a reset corrugated pipe (96), and the reset corrugated pipe (96) is arranged between the lower end of the sliding pipe (97) and the upper end of the intrados of the externally threaded pipe (2).
5. A self-sealing pressure gauge according to claim 2, wherein: the rubber pad (95) is a conical rubber pad, and the outer cambered surface of the rubber pad (95) is gradually inclined from bottom to top in the direction away from the external threaded pipe (2).
6. A self-sealing manometer according to claim 3, characterized in that: the sliding plate (4) is a ceramic sliding plate, and the sliding pipe (97) is a ceramic sliding pipe outside.
7. A self-sealing pressure gauge according to claim 1, wherein: transparent glass (11) is arranged in the mounting hole at the front end of the scale groove of the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322151853.2U CN220708618U (en) | 2023-08-11 | 2023-08-11 | Self-sealing pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322151853.2U CN220708618U (en) | 2023-08-11 | 2023-08-11 | Self-sealing pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220708618U true CN220708618U (en) | 2024-04-02 |
Family
ID=90437832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322151853.2U Active CN220708618U (en) | 2023-08-11 | 2023-08-11 | Self-sealing pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220708618U (en) |
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2023
- 2023-08-11 CN CN202322151853.2U patent/CN220708618U/en active Active
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