CN216896370U - Small-size overhead tank - Google Patents
Small-size overhead tank Download PDFInfo
- Publication number
- CN216896370U CN216896370U CN202220503354.8U CN202220503354U CN216896370U CN 216896370 U CN216896370 U CN 216896370U CN 202220503354 U CN202220503354 U CN 202220503354U CN 216896370 U CN216896370 U CN 216896370U
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- Prior art keywords
- inlet pipe
- water inlet
- air bag
- pressure tank
- open end
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 102
- 238000001914 filtration Methods 0.000 claims abstract description 22
- 239000011324 bead Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 description 6
- 230000002035 prolonged effect Effects 0.000 description 4
- 239000011148 porous material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
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- 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
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- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model provides a small pressure tank, and belongs to the technical field of machinery. It has solved the current not good problem of overhead tank life-span. The small pressure tank comprises a tank body, a cover body arranged on the tank body, an air nozzle arranged on the tank body and an air bag arranged in the tank body, wherein the air bag is barrel-shaped after being expanded, the edge of the barrel opening of the air bag is tightly pressed between the cover body and the tank body, the cover body is provided with a through hole which is just opposite to the inner cavity of the air bag, a water inlet pipe is hermetically fixed in the through hole, the inner end of the water inlet pipe extends into the air bag, the inner end of the water inlet pipe is closed, and the end surface of the inner end of the water inlet pipe is a plane; a circle of water outlet is formed in the side wall of the inner end of the water inlet pipe, a filter pipe is detachably fixed in the water inlet pipe, two ends of the filter pipe are respectively a closed end and an open end, and the closed end is positioned between the open end and the air faucet; the side wall of the closed end is densely provided with filtering holes which are radially penetrated and arranged along the filtering pipe, the filtering holes are communicated with the water outlet, and the outer wall of the open end and the inner wall of the water inlet pipe form sealing. The small pressure tank has 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 small pressure tank.
Background
The pressure tank is used in a closed water circulation system, plays a role in balancing water quantity and pressure, avoids frequent opening of a safety valve and frequent water supplement of an automatic water supplement valve, does not need to build a water tower, has small investment and small occupied area, adopts automatic water-gas regulation, automatic operation and energy conservation, is automatically connected with tap water in a grid, can still supply water after power failure, does not need to be monitored years after debugging, saves investment by 70 percent compared with the building of the water tower, saves investment by 60 percent compared with the building of a high-level water tank, saves civil construction investment, and has wide application.
The existing pressure tank is as the pressure tank (application number: 201920689559.8) proposed by the applicant, comprising a tank body, a cover body arranged on the tank body, an air tap arranged on the tank body and an air bag arranged in the tank body, wherein the air bag is barrel-shaped after being expanded, the edge of a barrel opening of the air bag is tightly pressed between the cover body and the tank body, the cover body is provided with a pipe joint communicated with an inner cavity of the air bag, the barrel bottom of the air bag is outwards sunken to form a tank body, the tank body is annular and is coaxially arranged with the air bag, and the section of the tank body in the axial direction is approximately V-shaped; the barrel bottom of the air bag is also integrally formed with a solid lug which is positioned outside the air bag and inside the groove body, the barrel bottom of the air bag is also provided with ribs for connecting the outer wall of the groove body and the lug, and at least two ribs are distributed at intervals along the circumferential direction of the air bag.
In the pressure tank, the joint of the tank body and the pipe fitting head is provided with a plurality of water inlet holes, and the water inlet holes are used for guiding water and playing a role in filtering. However, when the air tap is used for air intake and the air bag is not filled with water, the air bag is forced to be pressed at the water inlet, and part of the air bag enters the water inlet to be cut, so that the service life of the air bag is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art and provide a small pressure tank with long service life.
The purpose of the utility model can be realized by the following technical scheme: a small-sized pressure tank comprises a tank body, a cover body arranged on the tank body, an air nozzle arranged on the tank body and an air bag arranged in the tank body, wherein the air bag is barrel-shaped after being expanded, the edge of a barrel opening of the air bag is tightly pressed between the cover body and the tank body, the cover body is provided with a through hole which is right opposite to an inner cavity of the air bag, a water inlet pipe is hermetically fixed in the through hole, and the inner end of the water inlet pipe extends into the air bag; a circle of water outlet is formed in the side wall of the inner end of the water inlet pipe, a filter pipe coaxial with the water inlet pipe is detachably fixed in the water inlet pipe, two ends of the filter pipe are respectively a closed end and an open end, and the closed end is positioned between the open end and the air tap; the side wall of the closed end is densely provided with filtering holes which penetrate through the filtering pipe along the radial direction, the filtering holes are communicated with the water outlet, and the outer wall of the open end and the inner wall of the water inlet pipe form sealing.
When the air bag is used, water enters the filter pipe through the opening end, and then the water flows into the air bag through the filter hole and the water outlet in sequence. Wherein, the filtration pore plays the filtering action, prevents that aquatic impurity from getting into the gasbag and destroying it, prolongs the gasbag life-span.
Secondly, because aquatic impurity is detained in the filter tube under the filtration pore blocks, and the filter tube can be dismantled with the inlet tube and link firmly, alright like this lift the filter tube alone and clear up impurity, make the filter tube exert stronger filter effect all the time, prolong this overhead tank life-span.
The inner end of the water inlet pipe is designed to be closed, and the inner end face of the water inlet pipe is a plane, so that the water inlet pipe can support the leather bag flatly, the damage of the air bag in contact with the water inlet pipe under the action of air pressure is effectively reduced, and the service life of the air bag is further prolonged.
In foretell small-size overhead tank, the shape and the size of foretell open end outer wall all match with the inlet tube, and the open end and inlet tube joint link firmly. The water inlet pipe and the filter pipe can be detached, sealed and fixedly connected without other parts, and the water inlet pipe and the filter pipe have the advantages of simple structure and convenience in assembly.
In the small pressure tank, the opening end extends out of the water inlet pipe, so that the water inlet pipe is convenient to pull out.
In the small pressure tank, the outer wall of the opening end is provided with an annular groove, and the annular groove and the filter pipe are coaxially arranged. When the filter tube inserting and pulling device is used, the annular groove is matched with a tool to be used for inserting and pulling the filter tube, and the filter tube and the water inlet tube are further convenient to assemble.
In the above-described small-sized pressure tank, the water discharge port is formed in an arc shape coaxial with the water inlet pipe.
In the small pressure tank, the outer diameter of the closed end is smaller than the inner diameter of the water inlet pipe, so that the closed end and the water inlet pipe form an annular gap, and the annular gap is used for communicating the water outlet and the filter hole, can accelerate the water discharge in the filter pipe and improves the working efficiency.
In the small-sized pressure tank, the annular blank holder is integrally formed on the outer wall of the inner end of the water inlet pipe, the annular blank holder is coaxial with the water inlet pipe, and the end face, close to the air faucet, of the annular blank holder is a plane and is flush with the inner end face of the water inlet pipe, so that the air bag supporting area is increased, and the service life of the air bag is further prolonged.
In the small pressure tank, the axial section of the outer side wall of the annular blank holder is arc-shaped, so that the air bag is prevented from being damaged by the protruding edges.
In foretell small-size overhead tank, integrated into one piece has the lug on the lateral wall of gasbag, and the lug just sets up the air cock to further prolong the gasbag life-span through strengthening gasbag bottom thickness.
As another scheme, in the small pressure tank, the open end is detachably and fixedly connected with the water inlet pipe through threads.
Compared with the prior art, this small-size overhead tank has following advantage:
1. because aquatic impurity is detained in the filter tube under the filtration pore blocks, and the filter tube can be dismantled with the inlet tube and link firmly, alright lift the filter tube alone like this and clear up impurity, make the filter tube exert stronger filter effect all the time, prolong this overhead tank life-span.
2. The inner end of the water inlet pipe is designed to be closed, and the inner end face of the water inlet pipe is a plane, so that the water inlet pipe can support the leather bag flatly, the damage of the air bag in contact with the water inlet pipe under the action of air pressure is effectively reduced, and the service life of the air bag is further prolonged.
Drawings
Fig. 1 is a schematic view of the construction of a small pressure tank.
Fig. 2 is an enlarged schematic view of a structure at a in fig. 1.
In the figure, 1, a tank body; 2. a cover body; 3. an air tap; 4. an air bag; 4a, a bump; 5. a water inlet pipe; 5a, annular blank pressing; 5b, a water outlet; 6. a filter tube; 6a, filtering holes; 6b, an annular groove; 7. an annular gap.
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.
Example one
As shown in fig. 1, the small-sized pressure tank includes a tank body 1, a lid body 2 provided on the tank body 1, an air faucet 3 attached to the tank body 1, and an air bag 4 provided in the tank body 1.
Wherein,
the air bag 4 is in a barrel shape after being expanded, and the edge of the barrel opening of the air bag 4 is tightly pressed between the cover body 2 and the tank body 1. In actual products, the cover body 2 and the tank body 1 are fixedly connected by welding, and the air bag 4 clamped between the cover body and the tank body is used for realizing better sealing. Further, a bump 4a is integrally formed on the outer sidewall of the airbag 4, and the bump 4a is disposed opposite to the air faucet 3, so as to further prolong the service life of the airbag 4 by increasing the thickness of the bottom of the airbag 4.
Be equipped with the through-hole just to 4 inner chambers of gasbag on the lid 2, the through-hole internal seal is fixed with inlet tube 5, and preferred inlet tube 5 and lid 2 link firmly through the welding mode is sealed. The water inlet pipe 5 and the air tap 3 are coaxially arranged, the outer end of the water inlet pipe 5 extends out of the tank body 1, and the inner end of the water inlet pipe 5 extends into the air bag 4. As shown in fig. 1, the inner end of the water inlet pipe 5 is closed, and the end surface of the inner end of the water inlet pipe 5 is a plane. Further, an annular pressing edge 5a is integrally formed on the outer wall of the inner end of the water inlet pipe 5, the annular pressing edge 5a is coaxial with the water inlet pipe 5, and the end face, close to the air faucet 3, of the annular pressing edge 5a is a plane and is flush with the inner end face of the water inlet pipe 5, so that the supporting area of the air bag 4 is increased, and the service life of the air bag 4 is prolonged. Preferably, the axial section of the outer side wall of the annular blank holder 5a is arc-shaped, so that the air bag 4 is prevented from being damaged due to the protrusion of edges.
As shown in fig. 1 and 2, a circle of water outlets 5b are formed in the side wall of the inner end of the water inlet pipe 5 and are uniformly distributed along the circumferential direction of the water inlet pipe 5, and preferably, the water outlets 5b are in the shape of an arc coaxial with the water inlet pipe 5 and are used for increasing the water discharge. Can dismantle in the inlet tube 5 and be fixed with the filter tube 6 coaxial with this inlet tube 5, the both ends of filter tube 6 are blind end and open end respectively, and the blind end is in between open end and air cock 3.
Wherein,
the side wall of the closed end is densely provided with filtering holes 6a which are arranged along the radial direction of the filtering pipe 6 in a penetrating way, and the filtering holes 6a are communicated with the water outlet 5 b. A seal is formed between the outer wall of the opening end and the inner wall of the water inlet pipe 5. In use, water enters the filter tube 6 through the open end, and then flows into the bladder 4 through the filter hole 6a and the water outlet 5b in this order. Wherein, the filtering holes 6a play a role in filtering, and prevent impurities in water from entering the air bag 4 to damage the air bag, so as to prolong the service life of the air bag 4.
In the present embodiment, it is preferred that,
the shape and the size of the outer wall of the opening end are matched with the water inlet pipe 5, and the opening end is fixedly connected with the water inlet pipe 5 in a clamping mode. The water inlet pipe 5 and the filter pipe 6 can be detached, sealed and fixedly connected without other parts, and the water filter has the advantages of simple structure and convenience in assembly. Further, the open end extends out of the water inlet pipe 5, the annular groove 6b is formed in the outer wall of the open end, and the annular groove 6b and the filter pipe 6 are coaxially arranged, so that when the water inlet pipe is used, the annular groove 6b is matched with a tool to plug and pull the filter pipe 6, and the filter pipe 6 and the water inlet pipe 5 are further conveniently assembled.
As shown in figure 2, the outer diameter of the closed end is smaller than the inner diameter of the water inlet pipe 5, so that an annular gap 7 is formed between the closed end and the water inlet pipe 5, and the annular gap 7 is used for communicating the water outlet 5b with the filtering holes 6a, can accelerate the water discharge in the filtering pipe 6 and improves the working efficiency.
Example two
The structure and principle of the second embodiment are basically the same as those of the first embodiment, and different points are as follows: the open end is detachably and fixedly connected with the water inlet pipe 5 through threads.
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.
Claims (10)
1. A small pressure tank comprises a tank body (1), a cover body (2) arranged on the tank body (1), an air tap (3) arranged on the tank body (1) and an air bag (4) arranged in the tank body (1), wherein the air bag (4) is in a barrel shape after being expanded, the edge of a barrel opening of the air bag (4) is tightly pressed between the cover body (2) and the tank body (1), a through hole which is opposite to the inner cavity of the air bag (4) is arranged on the cover body (2), a water inlet pipe (5) is hermetically fixed in the through hole, and the inner end of the water inlet pipe (5) extends into the air bag (4), and the small pressure tank is characterized in that the inner end of the water inlet pipe (5) is in a closed shape, and the end face of the inner end of the water inlet pipe (5) is a plane; a circle of water outlet (5b) is formed in the side wall of the inner end of the water inlet pipe (5), a filter pipe (6) coaxial with the water inlet pipe (5) is detachably fixed in the water inlet pipe (5), the two ends of the filter pipe (6) are respectively a closed end and an open end, and the closed end is positioned between the open end and the air tap (3); the side wall of the closed end is densely provided with filtering holes (6a) which radially penetrate through the filtering pipe (6), the filtering holes (6a) are communicated with the water outlet (5b), and a seal is formed between the outer wall of the open end and the inner wall of the water inlet pipe (5).
2. A small pressure tank as claimed in claim 1, wherein the outer wall of the open end is shaped and dimensioned to fit the inlet pipe (5) and the open end is secured to the inlet pipe (5) by snap-fitting.
3. A small pressure tank according to claim 2, characterized in that the open end extends out of the inlet pipe (5).
4. A small pressure tank according to claim 3, characterized in that the outer wall of the open end is provided with an annular groove (6b), and the annular groove (6b) is arranged coaxially with the filter pipe (6).
5. A small pressure tank according to claim 1, characterized in that the discharge opening (5b) is in the shape of a circular arc coaxial with the inlet pipe (5).
6. A small pressure tank according to claim 5, characterized in that the outer diameter of the closed end is smaller than the inner diameter of the inlet pipe (5).
7. The small-sized pressure tank as claimed in claim 1, wherein an annular pressing edge (5a) is integrally formed on the outer wall of the inner end of the water inlet pipe (5), the annular pressing edge (5a) is coaxial with the water inlet pipe (5), and the end surface of the annular pressing edge (5a) close to the air faucet (3) is a plane and is flush with the inner end surface of the water inlet pipe (5).
8. A compact pressure tank, according to claim 7, characterized in that the axial section of the outer side wall of the annular bead (5a) is circular-arc shaped.
9. The small-sized pressure tank as claimed in claim 1, wherein the air bag (4) is integrally formed with a projection (4a) on the outer side wall thereof, and the projection (4a) is disposed opposite to the air faucet (3).
10. A small pressure tank, according to claim 1, characterized in that the open end is removably secured to the inlet pipe (5) by means of a screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220503354.8U CN216896370U (en) | 2022-03-07 | 2022-03-07 | Small-size overhead tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220503354.8U CN216896370U (en) | 2022-03-07 | 2022-03-07 | Small-size overhead tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216896370U true CN216896370U (en) | 2022-07-05 |
Family
ID=82188538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220503354.8U Active CN216896370U (en) | 2022-03-07 | 2022-03-07 | Small-size overhead tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216896370U (en) |
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2022
- 2022-03-07 CN CN202220503354.8U patent/CN216896370U/en active Active
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| GR01 | Patent grant | ||
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