CN215594248U - Polymer diaphragm type environment-friendly pressure tank - Google Patents
Polymer diaphragm type environment-friendly pressure tank Download PDFInfo
- Publication number
- CN215594248U CN215594248U CN202121625972.1U CN202121625972U CN215594248U CN 215594248 U CN215594248 U CN 215594248U CN 202121625972 U CN202121625972 U CN 202121625972U CN 215594248 U CN215594248 U CN 215594248U
- Authority
- CN
- China
- Prior art keywords
- annular protrusion
- annular
- tank
- diaphragm
- tank body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Landscapes
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model provides a polymer diaphragm type environment-friendly pressure tank, and belongs to the technical field of machinery. It has solved the easy problem that produces the leakage and life is not long of current overhead tank. The utility model provides a polymer diaphragm formula environmental protection overhead tank, which comprises a tank body, diaphragm and blind flange, the diaphragm separates into air cavity and sap cavity with the cavity of the jar body, the middle part of blind flange is equipped with screwed joint and screwed joint's the inner and is linked together with the sap cavity, the other end that the blind flange was equipped with to the jar body is equipped with the gas valve core, the outer end of diaphragm is annular connecting portion, be equipped with the buckle ring between the inside wall of the jar body and the connecting portion, the inside and outside both ends of buckle ring are extruded in blind flange and connecting portion, the interior terminal surface of buckle ring forms sealed face with the outer terminal surface of connecting portion, jar body and blind flange adopt macromolecular material to make. This polymer diaphragm formula environmental protection pressure tank has the difficult advantage that produces leakage and long service life.
Description
Technical Field
The utility model belongs to the technical field of machinery, and relates to a pressure tank, in particular to a high-polymer diaphragm type environment-friendly pressure tank.
Background
The water supply pressure tank is widely applied to a water supply system and is divided into an air bag type pressure tank and a diaphragm type pressure tank which are welded, so that the manufacturing is complex, and the problems of diaphragm rupture, air leakage and the like occur in the use process, the reason is that in the manufacturing process of the pressure tank, two butted shells need to be welded into a complete tank body, so that the diaphragm needs to be added into the shell and then welded, and in order to ensure that an air bag part has enough space, the diaphragm is usually arranged at the middle part of the pressure tank and is close to the welding part of the shell, but the heat generated in the welding process tends to damage the diaphragm, so that the service lives of the diaphragm and the pressure tank are further reduced, and the diaphragm is arranged in the pressure tank, so that an internal pressure ring is required to press the diaphragm on the inner wall of the pressure tank in the conventional technology, and in order to ensure that the diaphragm has good sealing property under strong pressure, the practical operation difficulty of this step is large.
The diaphragm type pressure tank (application number: 201820892613.4) for supplying and draining water, as disclosed in the Chinese patent document, comprises a water storage tank, an air inlet valve, a water inlet and outlet device and a diaphragm, wherein the air inlet valve, the water inlet and outlet device and the diaphragm are arranged on the water storage tank, the water storage tank comprises an upper tank body and a lower tank body, the upper tank body and the lower tank body are mutually buckled to form a sealed water storage tank, connecting blocks are arranged at the buckling positions of the upper tank body and the lower tank body, the diaphragm is clamped between the connecting blocks, and the upper tank body and the lower tank body are hermetically connected through a locking device by the connecting blocks. However, the diaphragm type pressure tank is not long in service life because leakage is likely to occur after long-term use.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a polymer diaphragm type environment-friendly pressure tank which is not easy to leak and has long service life.
The purpose of the utility model can be realized by the following technical scheme: the utility model provides a polymer diaphragm formula environmental protection overhead tank, includes a jar body, diaphragm and blind flange, the diaphragm will the cavity of the jar body divide into air cavity and liquid cavity, the middle part of blind flange be equipped with screwed joint just screwed joint's inner with the liquid cavity be linked together, the jar body the other end that is equipped with the blind flange be equipped with the air valve core, its characterized in that, the outer end of diaphragm be annular connecting portion, the jar body the inside wall with the connecting portion between be equipped with the buckle ring, the inside and outside both ends of buckle ring extrude in blind flange and connecting portion, the interior terminal surface of buckle ring with the outer terminal surface of connecting portion form sealed face, the jar body and the blind flange adopt macromolecular material to make.
Pressure gas is filled into the air cavity through the air valve core, and when the air valve is used, the air valve is connected to a water system through a threaded connector. When the pressure of the water system is greater than the pressure in the air cavity, the pressure of the water system extrudes the diaphragm, the volume of the air cavity is reduced, and the pressure is increased; when the pressure of the water system is smaller than the pressure in the air cavity, the diaphragm extrudes the water in the liquid cavity and replenishes the water into the water system, so that the pressure of the water system is increased, and the air cavity and the liquid cavity reach new balance to play a role in adjusting the pressure fluctuation of the water system. Because the jar body and the blind flange adopt macromolecular material to make, have difficult rust and long service life's advantage, the inside and outside both ends of buckle extrude in the blind flange and connecting portion, the buckle the interior terminal surface with the outer terminal surface of connecting portion form sealed face, have sealed effect better difficult production and leak, improved life.
In the above-mentioned polymer diaphragm type environmental protection pressure tank, the outer end surface of the snap ring is coaxially provided with a first annular protrusion and a second annular protrusion, the first annular protrusion is located on the outer side of the first annular protrusion, and the first annular protrusion and the second annular protrusion form a first annular groove.
In the above polymer diaphragm type environment-friendly pressure tank, the inner end surface of the flange cover is coaxially provided with a third annular convex body and a fourth annular convex body, the fourth annular convex body is located on the outer side of the third annular convex body, the third annular convex body and the fourth annular convex body form a second annular groove, the first annular convex body is embedded in the second annular groove, and the fourth annular convex body is embedded in the first annular groove.
In the above polymer diaphragm type environment-friendly pressure tank, the inner end surface of the flange cover is provided with a fifth annular convex body which is coaxial with the fourth annular convex body, the fifth annular convex body is positioned at the outer side of the fourth annular convex body, and the fifth annular convex body and the fourth annular convex body form a third annular groove.
In foretell polymer diaphragm type environmental protection overhead tank, the inside wall lateral wall of the jar body be equipped with a plurality of location breachs that run through, the lateral wall of buckle ring be equipped with a plurality ofly with location breach assorted location convex body just location convex body inlay in the location breach that corresponds. Adopt above-mentioned setting, avoid buckle ring to deflect relative jar body, have the better and firm in connection's of location effect advantage
In the above polymer diaphragm type environment-friendly pressure tank, the inner side wall of the outer end of the tank body is provided with six annular convex bodies, annular grooves are formed between the six annular convex bodies and the inner side wall of the tank body, the two annular convex bodies and the six annular convex bodies are embedded in the three annular grooves, and the five annular convex bodies are embedded in the four annular convex bodies. By adopting the arrangement, the sealing device has better sealing effect and better connecting effect, and the service life is prolonged. The positioning notch is arranged on the annular convex body six.
In the above polymer diaphragm type environment-friendly pressure tank, the inner side wall of the outer end of the tank body is annularly provided with a seventh annular convex body, the seventh annular convex body is positioned on the inner side of the sixth annular convex body in the axial direction, an annular groove is formed between the seventh annular convex body and the inner side wall of the tank body, an eighth annular convex body is arranged on the inner end surface of the outer end of the connecting part, and the eighth annular convex body is embedded in the fifth annular groove. By adopting the structure, the sealing structure has better sealing effect and better connecting effect, and the service life is prolonged.
In foretell polymer diaphragm type environmental protection overhead tank, the jar mouth department of jar body be interior conical surface, the lateral wall of blind flange be the external conical surface just the external conical surface inlay in interior conical surface on. The outer conical surface of the outer side wall of the flange cover is embedded on the inner conical surface of the tank body, and the flange cover has the advantages of good sealing effect and firm connection.
In the above polymer diaphragm type environmental protection pressure tank, the tank body and the flange cover are fixedly connected by spin-melt welding. By adopting the arrangement, the sealing device has the advantages of good sealing effect, difficulty in leakage and convenience in manufacturing.
In the above-mentioned polymer diaphragm type environmental protection pressure tank, the tank body and the flange cover are made of high temperature resistant materials.
In the above-mentioned polymer diaphragm type environmental protection pressure tank, the threaded joint and the flange cover are molded into an integral structure by injection. Adopt above-mentioned setting, have sealed better and the firm reliable advantage of structure of effect.
Compared with the prior art, this polymer diaphragm formula environmental protection overhead tank has following advantage:
1. the tank body and the flange cover are made of high polymer materials, so that the tank body and the flange cover have the advantages of difficult rusting and long service life, the inner end and the outer end of the clamping ring are extruded on the flange cover and the connecting part, and the inner end surface of the clamping ring and the outer end surface of the connecting part form a sealing surface, so that the tank body has a good sealing effect, is difficult to leak, and has prolonged service life;
2. the side wall of the inner side wall of the tank body is provided with a plurality of through positioning notches, the outer side wall of the flange cover is provided with a plurality of positioning convex bodies matched with the positioning notches, and the positioning convex bodies are embedded in the corresponding positioning notches, so that the flange cover is prevented from deflecting relative to the tank body, and the tank body has the advantages of good positioning effect and firm connection;
3. an eight annular convex body is arranged on the inner end face of the outer end of the connecting part and embedded in the five annular grooves, so that the sealing structure has a good sealing effect and a good connecting effect, and the practical service life is prolonged;
4. the tank body and the flange cover are fixedly connected through the spin-melt welding, so that the tank has the advantages of good sealing effect, difficulty in leakage and convenience in manufacturing.
Drawings
FIG. 1 is a schematic front view of the polymer diaphragm type environmental protection pressure tank.
FIG. 2 is a schematic cross-sectional view of the polymer diaphragm type environmentally friendly pressure tank.
Fig. 3 is a partially enlarged schematic view a of fig. 2.
Fig. 4 is a schematic sectional view B-B of fig. 2.
In the figure, 1, a tank body; 1a, an air cavity; 1b, a liquid cavity; 1c, positioning a notch; 1d, an inner conical surface; 2. a diaphragm; 2a, a connecting part; 3. a gas valve core; 4. a snap ring; 4a, a first annular convex body; 4b, a second annular convex body; 4c, a first annular groove; 4d, positioning the convex body; 5. a sealing surface; 6. a flange cover; 6a, an outer conical surface; 6b, a third annular convex body; 6c, an annular convex body IV; 6d, a second annular groove; 6e, an annular convex body V; 6f, a third annular groove; 7. a sixth annular convex body; 8. a fourth annular groove; 9. a seventh annular convex body; 10. a fifth annular groove; 11. an annular convex body eight; 12. provided is a threaded joint.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 4, a polymer diaphragm type environmental protection pressure tank comprises a tank body 1, the tank comprises a diaphragm 2 and a flange cover 6, the diaphragm 2 divides a cavity of a tank body 1 into an air cavity 1a and a liquid cavity 1b, a threaded joint 12 is arranged in the middle of the flange cover 6, the inner end of the threaded joint 12 is communicated with the liquid cavity 1b, an air valve core 3 is arranged at the other end, provided with the flange cover 6, of the tank body 1, the outer end of the diaphragm 2 is an annular connecting part 2a, a clamping ring 4 is arranged between the inner side wall of the tank body 1 and the connecting part 2a, the inner end and the outer end of the clamping ring 4 are extruded on the flange cover 6 and the connecting part 2a, a sealing surface 5 is formed by the inner end surface of the clamping ring 4 and the outer end surface of the connecting part 2a, the tank body 1 and the flange cover 6 are made of PP high polymer materials, preferably, the tank body 1 and the flange cover 6 are made of PE materials, and the tank body 1 and the flange cover 6 are made of PP and PE mixed materials. The snap ring 4 is made of PT material.
The outer end face of the snap ring 4 is coaxially provided with a first annular convex body 4a and a second annular convex body 4b, the second annular convex body 4b is positioned on the outer side of the first annular convex body 4a, and the first annular convex body 4a and the second annular convex body 4b form a first annular groove 4 c. The inner end face of the flange cover 6 is coaxially provided with a third annular convex body 6b and a fourth annular convex body 6c, the fourth annular convex body 6c is positioned on the outer side of the third annular convex body 6b, the third annular convex body 6b and the fourth annular convex body 6c form a second annular groove 6d, the first annular convex body 4a is embedded in the second annular groove 6d, and the fourth annular convex body 6c is embedded in the first annular groove 4 c. The inner end face of the flange cover 6 is provided with a fifth annular convex body 6e which is coaxial with the fourth annular convex body 6c, the fifth annular convex body 6e is positioned on the outer side of the fourth annular convex body 6c, and the fifth annular convex body 6e and the fourth annular convex body 6c form a third annular groove 6 f. The inside wall of the outer end of the tank body 1 is provided with six annular convex bodies 7, an annular groove four 8 is formed between the six annular convex bodies 7 and the inside wall of the tank body 1, the two annular convex bodies 4b and the six annular convex bodies 7 are embedded in the three annular grooves 6f, and the five annular convex bodies 6e are embedded in the four annular convex bodies 6 c. The inside wall ring of the outer end of the jar body 1 is equipped with seven 9 of annular convex body, seven 9 of annular convex body are located six 7 axial inboards of annular convex body, form five 10 of annular groove between seven 9 of annular convex body and the inside wall of the jar body 1, be equipped with eight 11 of annular convex body on the inner terminal surface of the outer end of connecting portion 2a, eight 11 of annular convex body inlay in five 10 of annular groove, adopt above-mentioned setting, have better sealed effect and better linkage effect, improved practical life.
The inside wall lateral wall of the jar body 1 is equipped with a plurality of location breach 1c that run through, and buckle ring 4's lateral wall is equipped with a plurality ofly and location breach 1c assorted location convex body 4d and location convex body 4d inlays in the location breach 1c that corresponds, avoids buckle ring 4 relative jar body 1 to deflect, has the better and firm in connection's of location effect advantage, and location breach 1c sets up on annular convex body six 7.
The air chamber 1a is filled with pressure gas through the air valve core 3, and is connected to a water system through a threaded joint 12 when in use. When the pressure of the water system is greater than the pressure in the air cavity 1a, the pressure of the water system extrudes the diaphragm 2, the volume of the air cavity 1a is reduced, and the pressure is increased; when the pressure of the water system is smaller than the pressure in the air cavity 1a, the diaphragm 2 extrudes the water in the liquid cavity 1b and replenishes the water into the water system, so that the pressure of the water system is increased, and the pressure fluctuation of the water system is adjusted when the air cavity 1a and the liquid cavity 1b reach new balance. Because jar body 1 and flange cover 6 adopt macromolecular material to make, have difficult rusty and long service life's advantage, the inside and outside both ends of buckle ring 4 are extruded in flange cover 6 and connecting portion 2a, and the interior terminal surface of buckle ring 4 forms sealed face 5 with the outer terminal surface of connecting portion 2a, has sealed effect better difficult production and leaks, has improved life. The inner conical surface 1d and the outer conical surface 6a are fixedly connected through spin-melt welding, so that the sealing structure has the advantages of good sealing effect, difficulty in leakage and convenience in manufacturing.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.
Although the terms of the can body 1, the air chamber 1a, the liquid chamber 1b, the positioning notch 1c, the inner tapered surface 1d, the diaphragm 2, the connecting portion 2a, the air valve core 3, the snap ring 4, the annular convex body one 4a, the annular convex body two 4b, the annular concave groove one 4c, the sealing surface 5, the flange cover 6, the outer tapered surface 6a, the annular convex body three 6b, the annular convex body four 6c, etc. are used more often, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. The high-molecular diaphragm type environment-friendly pressure tank comprises a tank body (1), a diaphragm (2) and a flange cover (6), wherein the diaphragm (2) divides a cavity of the tank body (1) into an air cavity (1a) and a liquid cavity (1b), the middle of the flange cover (6) is provided with a threaded joint (12), the inner end of the threaded joint (12) is communicated with the liquid cavity (1b), the other end of the tank body (1) provided with the flange cover (6) is provided with an air valve core (3), the high-molecular diaphragm type environment-friendly pressure tank is characterized in that the outer end of the diaphragm (2) is an annular connecting part (2a), a clamping ring (4) is arranged between the inner side wall of the tank body (1) and the connecting part (2a), the inner end and the outer end of the clamping ring (4) are extruded on the flange cover (6) and the connecting part (2a), and the inner end surface of the clamping ring (4) and the outer end surface of the connecting part (2a) form a sealing surface (5) The tank body (1) and the flange cover (6) are made of high polymer materials.
2. The environmentally friendly polymeric diaphragm pressure vessel as claimed in claim 1, wherein the outer end surface of the snap ring (4) is coaxially provided with a first annular protrusion (4a) and a second annular protrusion (4b), the second annular protrusion (4b) is located outside the first annular protrusion (4a), the first annular protrusion (4a) and the second annular protrusion (4b) form a first annular groove (4c), the inner end surface of the flange cover (6) is coaxially provided with a third annular protrusion (6b) and a fourth annular protrusion (6c), the fourth annular protrusion (6c) is located outside the third annular protrusion (6b), the third annular protrusion (6b) and the fourth annular protrusion (6c) form a second annular groove (6d), and the first annular protrusion (4a) is embedded in the second annular groove (6d), the annular convex body four (6c) is embedded in the annular groove one (4 c).
3. The environmentally friendly polymeric diaphragm pressure vessel as claimed in claim 2, wherein the inner end surface of the flange cover (6) is provided with a fifth annular protrusion (6e) coaxially disposed with the fourth annular protrusion (6c), the fifth annular protrusion (6e) is located outside the fourth annular protrusion (6c), and the fifth annular protrusion (6e) and the fourth annular protrusion (6c) form a third annular groove (6 f).
4. The environmentally friendly polymeric diaphragm pressure tank of claim 1, 2 or 3, wherein the sidewall of the inner sidewall of the tank body (1) is provided with a plurality of through positioning notches (1c), the sidewall of the snap ring (4) is provided with a plurality of positioning protrusions (4d) matching with the positioning notches (1c), and the positioning protrusions (4d) are embedded in the corresponding positioning notches (1 c).
5. The environmentally friendly polymeric diaphragm pressure tank of claim 3, wherein the inner sidewall of the outer end of the tank body (1) is provided with a six (7) annular protrusion, an annular groove (8) is formed between the six (7) annular protrusion and the inner sidewall of the tank body (1), the two (4b) annular protrusions and the six (7) annular protrusions are embedded in the three (6f) annular grooves, and the five (6e) annular protrusions are embedded in the four (6c) annular protrusions.
6. The environmentally friendly polymeric diaphragm pressure tank of claim 5, wherein the inner sidewall of the outer end of the tank body (1) is annularly provided with a seventh annular protrusion (9), the seventh annular protrusion (9) is located on the inner axial side of the sixth annular protrusion (7), a fifth annular groove (10) is formed between the seventh annular protrusion (9) and the inner sidewall of the tank body (1), an eighth annular protrusion (11) is provided on the inner end surface of the outer end of the connecting part (2a), and the eighth annular protrusion (11) is embedded in the fifth annular groove (10).
7. The environmentally friendly polymeric diaphragm pressure vessel as claimed in claim 1, 2, 3, 5 or 6, wherein the vessel opening of the vessel body (1) is an inner tapered surface (1d), the outer side wall of the flange cover (6) is an outer tapered surface (6a), and the outer tapered surface (6a) is embedded in the inner tapered surface (1 d).
8. The environmentally friendly polymeric diaphragm pressure tank as claimed in claim 1, 2, 3, 5 or 6, wherein the tank body (1) and the flange cover (6) are fixedly connected by spin-melt welding.
9. The environmentally friendly polymeric membrane pressure tank as claimed in claim 1, 2, 3, 5 or 6, wherein the tank body (1) and the flange cover (6) are made of high temperature resistant materials.
10. An environmentally friendly polymeric diaphragm pressure vessel according to claim 1, 2, 3, 5 or 6, wherein said threaded fitting (12) and said flange cover (6) are formed as a unitary structure by injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121625972.1U CN215594248U (en) | 2021-07-16 | 2021-07-16 | Polymer diaphragm type environment-friendly pressure tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121625972.1U CN215594248U (en) | 2021-07-16 | 2021-07-16 | Polymer diaphragm type environment-friendly pressure tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215594248U true CN215594248U (en) | 2022-01-21 |
Family
ID=79878422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121625972.1U Active CN215594248U (en) | 2021-07-16 | 2021-07-16 | Polymer diaphragm type environment-friendly pressure tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215594248U (en) |
-
2021
- 2021-07-16 CN CN202121625972.1U patent/CN215594248U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112762356A (en) | Sealing structure suitable for high-pressure plastic liner carbon fiber fully-wound gas cylinder and application | |
| CN215594248U (en) | Polymer diaphragm type environment-friendly pressure tank | |
| CN215594245U (en) | Diaphragm expansion tank | |
| US20210341000A1 (en) | Hydro-pneumatic pressure vessel and diaphragm assembly method | |
| JPS5924303B2 (en) | Two-piece overpressure relief valve | |
| CN115451326A (en) | Gas storage cylinder, hydrogen storage device and hydrogen fuel automobile | |
| CN204784672U (en) | Pressure vessel and leak protection valves thereof | |
| CN216715383U (en) | Combined packing structure for valve | |
| CN216914477U (en) | Bottle embryo that improved generation leakproofness is good | |
| CN219492762U (en) | Automobile cylinder body part with good sealing function | |
| CN221059836U (en) | Vacuum cosmetic container | |
| CN215486431U (en) | Pressure tank for water pump | |
| CN220249007U (en) | Ball valve sealing ring | |
| CN116968711B (en) | Vehicle-mounted storage tank and manufacturing method thereof | |
| CN217784215U (en) | Oxidation-resistant static sealing ring capable of improving radial sealing performance | |
| CN220792034U (en) | Waterproof dustproof sealing washer of liquid silica gel | |
| CN113446399A (en) | Integrated water pump pressure tank | |
| CN218409021U (en) | Expansion tank | |
| CN215862847U (en) | Gas cylinder and fuel cell system with same | |
| CN216154460U (en) | Vacuum pump | |
| CN219783190U (en) | Upper clamping double-film-covering type connector and infusion bag | |
| CN220415665U (en) | Plunger pump water seal and plunger pump | |
| CN216497953U (en) | Stainless steel cylinder for placing filter element | |
| CN216742944U (en) | Hard sealing stop valve | |
| CN220692081U (en) | Fuel cell case and fuel cell system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |