CN217878126U - Novel diaphragm pressure gauge - Google Patents
Novel diaphragm pressure gauge Download PDFInfo
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- CN217878126U CN217878126U CN202221759093.2U CN202221759093U CN217878126U CN 217878126 U CN217878126 U CN 217878126U CN 202221759093 U CN202221759093 U CN 202221759093U CN 217878126 U CN217878126 U CN 217878126U
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- pressure gauge
- diaphragm
- flange
- seat
- lining ring
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Abstract
The utility model discloses a novel diaphragm pressure gauge, including the manometer gauge outfit, still include: the pressure gauge seat is arranged below the pressure gauge head, a lower connecting flange is arranged on the lower bottom surface of the pressure gauge seat, and a corrugated groove matched with the corrugations on the corrugated diaphragm is formed in the bottom wall of the inner cavity of the pressure gauge seat; the upper part of the lining ring is provided with an annular flange, and the lining ring is welded and fixed with the lower connecting flange of the pressure gauge seat through the annular flange; the diaphragm is a corrugated diaphragm, and the edge of the diaphragm is provided with a horizontal connecting part which is positioned between a lower connecting flange of the pressure gauge seat and an annular flange of the lining ring; and the flange is respectively welded with the lining ring and the pressure gauge seat. The diaphragm pressure gauge is simple in structure, and the inner cavity of the pressure gauge seat is provided with the corrugated groove, so that the diaphragm can bear large pressure without damaging the pressure gauge.
Description
Technical Field
The utility model belongs to the manometer field, concretely relates to novel diaphragm pressure gauge.
Background
The diaphragm pressure gauge is a system pressure gauge consisting of a diaphragm and a universal pressure gauge, when the pressure of a measured medium acts on the diaphragm, the diaphragm deforms, the free end of a spring tube in the pressure gauge generates corresponding elastic deformation and displacement through the conduction of a conducting liquid, and then the measured pressure value is displayed according to the working principle of the pressure gauge matched with the free end of the spring tube.
In prior art, a diaphragm adopts the diaphragm gauge of ripple diaphragm has appeared, and the ripple diaphragm of this kind of manometer adopts concave-convex structure, the effect that can be better plays pressure transmission, and resumes elastic deformation after measuring more easily, but also has following shortcoming: 1. if the medium pressure is too large and exceeds the measuring range, the diaphragm deforms greatly, the concave-convex structure on the diaphragm is in contact with the pressure gauge seat and extrudes the pressure gauge seat, and the concave-convex structure deforms irreversibly in the extrusion process, so that the pressure gauge cannot be used normally continuously; 2. the diaphragm is located the manometer below, and when mounting flange on the manometer, the flange produced the interference with the diaphragm in the installation easily, and the in-process of installation causes the diaphragm damaged easily.
SUMMERY OF THE UTILITY MODEL
In order to solve one or more above-mentioned defects among the prior art, the utility model aims to solve the technical problem that a novel diaphragm pressure gauge is provided, this diaphragm pressure gauge simple structure, the bellows groove has been seted up to the manometer gauge stand inner chamber for the diaphragm can bear great pressure and can not damage the manometer.
In order to achieve the above object, the utility model provides a novel diaphragm pressure gauge, including the manometer gauge outfit, still include: the pressure gauge seat is arranged below a pressure gauge head, a lower conduction flow channel communicated with an upper conduction flow channel in the pressure gauge head is arranged in the pressure gauge seat, a lower connecting flange is arranged on the lower bottom surface of the pressure gauge seat, and a corrugated groove matched with the corrugations on the corrugated diaphragm is formed in the bottom wall of an inner cavity of the pressure gauge seat;
the upper part of the lining ring is provided with an annular flange, the lining ring is enclosed by the annular flange to form a liquid receiving cavity, the bottom of the lining ring is provided with an inlet channel communicated with the liquid receiving cavity, and the lining ring is welded and fixed with the lower connecting flange of the pressure gauge seat through the annular flange;
the diaphragm adopts a corrugated diaphragm, and the edge of the diaphragm is provided with a horizontal connecting part which is positioned between a lower connecting flange of a pressure gauge seat and an annular flange of a lining ring;
and the flange is respectively welded with the lining ring and the pressure gauge seat.
Further, the pressure gauge seat is provided with an upper annular step, the flange is clamped and positioned with the upper annular step through a clamping portion, and the upper edge of the clamping portion and the vertical edge of the upper annular step are welded.
Further, the lining ring is provided with a lower annular step, and the bottom edge of the flange is welded with the horizontal edge of the lower annular step.
Further, the length of the horizontal connecting part of the diaphragm is 1-2cm.
The utility model has the advantages that:
firstly, the diaphragm pressure gauge is simple in structure, and the inner cavity of the pressure gauge base is provided with the corrugated groove, so that the diaphragm can bear larger pressure without damaging the pressure gauge;
secondly, because the diaphragm is embedded, the flange does not interfere with the diaphragm when being installed, so that the diaphragm is not damaged, and the qualification rate of products is effectively improved;
thirdly, the lining ring and the flange are welded together so as to be fixedly connected, so that the lining ring and the flange can be made of different materials, the lining ring can be made of a special material with higher cost, and the flange can be made of a common material, so that the production cost of the pressure gauge is effectively saved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of a portion a of the present invention.
In the figure: 1. a pressure gauge head; 2. a pressure gauge base; 3. a lower conduction flow channel; 4. a lower connecting flange; 5. a corrugated trough; 6. an annular flange; 7. a liquid receiving cavity; 8. a liner ring; 9. a diaphragm sheet; 10. a horizontal connecting portion; 11. an upper annular step; 12. a lower annular step; 13. a trumpet-shaped opening.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
referring to fig. 1-2, the novel diaphragm pressure gauge includes a pressure gauge head 1, and further includes: the pressure gauge seat 2 is arranged below the pressure gauge head 1, a lower conduction flow channel 3 communicated with an upper conduction flow channel in the pressure gauge head 1 is arranged in the pressure gauge seat 2, a lower connecting flange 4 is arranged on the lower bottom surface of the pressure gauge seat 2, and a corrugated groove 5 matched with corrugations on the corrugated diaphragm is formed in the bottom wall of an inner cavity of the pressure gauge seat 2;
the upper part of the lining ring 8 is provided with an annular flange 6, the lining ring is enclosed by the annular flange 6 to form a liquid receiving cavity 7, the bottom of the lining ring 8 is provided with an inlet channel communicated with the liquid receiving cavity 7, and the lining ring 8 is welded and fixed with the lower connecting flange 4 of the pressure gauge seat 2 through the annular flange 6;
a diaphragm 9, the diaphragm 9 is a corrugated diaphragm, the edge of the diaphragm 9 is provided with a horizontal connecting part 10, and the horizontal connecting part 10 is positioned between the lower connecting flange 4 of the pressure gauge seat 2 and the annular flange 6 of the lining ring 8;
and the flange is respectively welded with the backing ring 8 and the pressure gauge seat 2.
The utility model discloses the in-process when using, when survey medium pressure, install this diaphragm pressure gauge through the flange, pressure medium enters into among the liquid chamber 7 of connecing from the access way of backing ring 8, extrude diaphragm 9, diaphragm 9 is because what adopt is the ripple diaphragm, the concave-convex structure of fluctuation on it, can be better play the effect of pressure transmission, and resume elastic deformation more easily after measuring, when diaphragm 9 is extruded and is produced deformation, diaphragm 9 can extrude liquid between its and the manometer gauge stand 2, make this liquid pass through the last water conservancy diversion that passes through lower water conservancy diversion channel 3 and enter into manometer gauge head 1, make the spring pipe end in manometer gauge head 1 produce elastic deformation through last water conservancy diversion channel at last, drive the core gear shaft rotation with the help of link mechanism, thereby make the pointer indicate out on the calibrated scale by the pressure value. Wherein, because the diapire of the inner chamber of manometer gauge stand 2 offer with ripple assorted ripple groove 5 on the ripple diaphragm, so even to the pressure that exceeds the manometer range, the concave-convex structure on the diaphragm 9 also can be direct with ripple groove 5 looks gomphosis on the manometer gauge stand 2, the concave-convex structure on the diaphragm 9 can not take place deformation to guarantee that the manometer can not damaged. Additionally, the utility model discloses a flange one side and 8 fixed connection of backing ring, 2 fixed connection of opposite side and manometer gauge stand, so, guaranteed flange joint's more firm, and the components of a whole that can function independently structure that flange and backing ring 8 adopted, backing ring 8 is owing to direct and pressure medium contact, can adopt the higher steel that the anticorrosion of cost was handled (if scribble the fluorocarbon material on steel) or the material that anticorrosives, and the flange still can adopt ordinary steel to reduce the manufacturing cost of manometer. The utility model discloses a flange can adopt argon arc to weld mode and manometer gauge stand 2 and 8 fixed connection of backing ring.
Further, the pressure gauge seat 2 is provided with an upper annular step 11, the flange is clamped and positioned with the upper annular step 11 through a clamping portion, and the flange is welded through the upper edge of the clamping portion and the vertical edge of the upper annular step 11. Specifically, be provided with one on manometer gauge stand 2 and go up annular step 11, so in large batch welded flange, just with the joint portion phase-match joint of flange, it is more convenient to align the location, can raise the efficiency effectively in the welded.
Further, the liner ring 8 has a lower annular step 12, and the bottom edge of the flange is welded to the horizontal edge of the lower annular step 12. Specifically, the lining ring 8 is also provided with a lower annular step 12, so that the welding gun has a larger moving space during welding, and the movement of the welding gun is more convenient.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by logical analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention by those skilled in the art should be within the scope of protection defined by the claims.
Claims (4)
1. The utility model provides a novel diaphragm pressure gauge, includes the manometer gauge outfit, its characterized in that still includes:
the pressure gauge seat is arranged below the pressure gauge head, a lower conduction flow channel communicated with an upper conduction flow channel in the pressure gauge head is arranged in the pressure gauge seat, a lower connecting flange is arranged on the lower bottom surface of the pressure gauge seat, and a corrugated groove matched with the corrugations on the corrugated diaphragm is formed in the bottom wall of an inner cavity of the pressure gauge seat;
the upper part of the lining ring is provided with an annular flange, the lining ring is enclosed by the annular flange to form a liquid receiving cavity, the bottom of the lining ring is provided with an inlet channel communicated with the liquid receiving cavity, and the lining ring is welded and fixed with the lower connecting flange of the pressure gauge seat through the annular flange;
the diaphragm adopts a corrugated diaphragm, and the edge of the diaphragm is provided with a horizontal connecting part which is positioned between a lower connecting flange of a pressure gauge seat and an annular flange of a lining ring;
and the flange is respectively welded with the lining ring and the pressure gauge seat.
2. The novel diaphragm pressure gauge according to claim 1, wherein: the pressure gauge seat is provided with an upper annular step, the flange is clamped and positioned with the upper annular step through a clamping part, and the upper edge of the clamping part and the vertical edge of the upper annular step are welded.
3. The novel diaphragm pressure gauge according to claim 2, wherein: the liner ring is provided with a lower annular step, and the bottom edge of the flange is welded with the horizontal edge of the lower annular step.
4. A novel diaphragm pressure gauge according to claim 3, wherein: the length of the horizontal connecting part of the diaphragm is 1-2cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221759093.2U CN217878126U (en) | 2022-07-08 | 2022-07-08 | Novel diaphragm pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221759093.2U CN217878126U (en) | 2022-07-08 | 2022-07-08 | Novel diaphragm pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217878126U true CN217878126U (en) | 2022-11-22 |
Family
ID=84050982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221759093.2U Active CN217878126U (en) | 2022-07-08 | 2022-07-08 | Novel diaphragm pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217878126U (en) |
-
2022
- 2022-07-08 CN CN202221759093.2U patent/CN217878126U/en active Active
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 6, South Ring Road, Wanzhou District, Chongqing 404000 (Wanzhou Economic Development Zone) Patentee after: CHONGQING KUNLUN INSTRUMENT Co.,Ltd. Address before: 400714 plant f04, No. 21, Shuishan Road, Beibei District, Chongqing Patentee before: CHONGQING KUNLUN INSTRUMENT Co.,Ltd. |