阅读说明：本技术 一种隔膜气压罐及其加工工艺 (Diaphragm air pressure tank and processing technology thereof ) 是由 朱龙明 于 2020-04-25 设计创作，主要内容包括：本发明涉及压力容器制作生产的技术领域,尤其是一种隔膜气压罐及其加工工艺,隔膜气压罐包括钢气罐体和橡胶气囊,所述橡胶气囊位于钢气罐体内部,所述钢气罐体与橡胶气囊之间形成压力室,所述橡胶气囊形成蓄水室,所述钢气罐体上设有固定橡胶气囊用的固定结构,所述固定结构包括法兰盘和法兰盖,所述橡胶气囊位于法兰盘和法兰盖之间,所述固定结构内设有用于密封固定结构与橡胶气囊之间间隙用的密封结构,所述密封结构包括用于密封压力室在固定结构连接在法兰盘与橡胶气囊之间,所述水密封层固定连接在橡胶气囊与法兰盖之间。本发明具有密封性较佳的效果。(The invention relates to the technical field of manufacturing and production of pressure vessels, in particular to a diaphragm air pressure tank and a processing technology thereof. The invention has the effect of better sealing performance.)

1. The utility model provides a diaphragm atmospheric pressure jar, includes steel gas jar body (1) and rubber gasbag (6), rubber gasbag (6) are located inside the steel gas jar body (1), form pressure chamber (7) between the steel gas jar body (1) and rubber gasbag (6), rubber gasbag (6) form water storage chamber (8), its characterized in that: the steel gas tank body (1) is provided with a fixed structure (4) for fixing the rubber gas bag (6), the fixed structure (4) comprises a flange plate (43) and a flange cover (44), the rubber air bag (6) is positioned between the flange plate (43) and the flange cover (44), a sealing structure (3) for sealing the gap between the fixed structure (4) and the rubber air bag (6) is arranged in the fixed structure (4), the sealing structure (3) comprises an air sealing layer (31) for sealing the gap of the pressure chamber (7) at the fixed structure (4) and a water sealing layer (32) for sealing the gap of the water storage chamber (8) at the fixed structure (4), the air sealing layer (31) is fixedly connected between the flange plate (43) and the rubber air bag (6), the water sealing layer (32) is fixedly connected between the rubber air bag (6) and the flange cover (44).

2. A diaphragm air pressure tank as claimed in claim 1, wherein: the sealing structure (3) further comprises a second sealing layer (33) used for sealing a gap between the pressure chamber (7) and the water storage chamber (8), and the second sealing layer (33) is integrally connected to one end of the air sealing layer (31) and one end of the water sealing layer (32).

3. A diaphragm air pressure tank as claimed in claim 2, wherein: one end of the air sealing layer (31) is far away from one side of the sealing layer II (33) and is fixedly connected with a positioning block (2) used for positioning the rubber air bag (6) at the position of the fixed structure (4).

4. A diaphragm air pressure tank as claimed in claim 1, wherein: the steel gas tank body (1) comprises a tank body (11), an upper top cover (12) fixedly connected to the top end of the tank body (11) and a lower bottom cover (13) fixedly connected to the bottom end of the tank body (11).

5. A diaphragm air pressure tank as claimed in claim 1, wherein: the fixing structure (4) further comprises a first base plate (41) and a round pipe (42), the first base plate (41) is fixedly connected to the surface of the upper top cover (12), and the round pipe (42) is fixedly connected between the flange plate (43) and the first base plate (41).

6. A diaphragm air pressure tank as claimed in claim 4, wherein: lower bottom (13) are gone up fixedly connected with a plurality of and are used for supporting bearing structure (5) that the steel gas jar body (1) was used, each bearing structure (5) are including backing plate two (51), supporting leg (52) of fixed connection on backing plate two (51), be convenient for fixed steel gas jar body (1) mounting groove (53), fixed connection at bottom plate (54) of supporting leg (52) bottom and bolt (55) that run through bottom plate (54), mounting groove (53) are seted up and are close to bottom plate (54) one side in supporting leg (52) bottom.

7. A diaphragm air pressure tank as claimed in claim 4, wherein: and the upper top cover (12) is fixedly connected with a plurality of lifting hooks (121) for lifting the steel gas tank body (1).

8. A diaphragm air pressure tank as claimed in claim 4, wherein: the bottom end of the lower bottom cover (13) is provided with an air inlet pipe (131) for inflating the pressure chamber (7), the air inlet pipe (131) is communicated with the pressure chamber (7), and the upper top cover (12) is provided with a pressure gauge (122) for monitoring the pressure of the pressure chamber (7).

9. A processing technology of a diaphragm air pressure tank is characterized in that: the manufacturing method of the diaphragm air pressure tank of any one of claims 1 to 8 comprises the following processing steps:

s1, respectively stamping two round steel plates to respectively form an upper top cover (12) and a lower bottom cover (13);

s2, bending the rectangular steel plate, and welding the side of the rectangular steel plate in the length direction to form a tank body (11);

s3, welding an upper top cover (12) at the top end of the tank body (11), and welding a lower bottom cover (13) at the bottom end of the tank body (11);

s4, respectively forming round holes in the upper top cover (12) and the lower bottom cover (13), and welding the fixing structures (4) at the round holes;

s5, welding a support structure (5) on a lower bottom cover (13), installing an air inlet pipe (131) on the lower bottom cover (13), welding a lifting hook (121) on an upper top cover (12), installing a pressure gauge (122) on the upper top cover (12), and welding a nameplate (111) on the tank body (11);

s6, installing the rubber air bag (6) in the steel air tank body (1) through the fixing structure (4) and sealing the rubber air bag through the sealing structure (3).

10. The process of claim 9, wherein the process comprises the following steps: the rubber air bag (6) has the capability of being relaxed for more than 30 ten thousand times, and the rubber air bag (6) is made of food-grade rubber.

Technical Field

The invention relates to the technical field of manufacturing and production of pressure containers, in particular to a diaphragm air pressure tank and a processing technology thereof.

Background

The air pressure tank is widely applied to central air conditioners, boilers, water heaters, variable-frequency and constant-pressure water supply equipment, the pressure of a buffer system fluctuates, a water hammer is eliminated, the pressure stabilizing and unloading effects are achieved, when the water pressure in the system slightly changes, the automatic expansion and contraction of the air bag of the air pressure tank can have certain buffering effects on the change of the water pressure, the stability of the water pressure of the system can be guaranteed, and a water pump cannot be frequently started due to the change of the pressure.

Disclosure of Invention

In view of the disadvantages of the prior art, a first object of the present invention is to provide a diaphragm air pressure tank having multiple sealing and better sealing performance.

The first object of the present invention is achieved by the following technical solutions:

the utility model provides a diaphragm atmospheric pressure jar, includes the steel gas jar body and rubber gasbag, the rubber gasbag is located the internal portion of steel gas jar, form the pressure chamber between the steel gas jar body and the rubber gasbag, the rubber gasbag forms the reservoir chamber, be equipped with the fixed knot who fixes the rubber gasbag and use on the steel gas jar body and construct, fixed knot constructs including ring flange and flange cover, the rubber gasbag is located between ring flange and the flange cover, be equipped with in the fixed knot and be used for the sealed seal structure that clearance was used for between sealed fixed knot structure and the rubber gasbag, seal structure is including being used for sealed pressure chamber to locate the gas seal layer in clearance at fixed knot structure and being used for the water seal layer in fixed knot department clearance, gas seal layer fixed connection is between ring flange and rubber gasbag, water seal layer fixed connection is between rubber gasbag and flange cover.

Through adopting above-mentioned technical scheme, the splendid attire has water in the rubber gasbag, and rubber gasbag and pipeline intercommunication, the inside pressure of rubber gasbag equals with the pressure of water pipeline, when the water of water pipeline appears interrupting, the inside water of rubber gasbag is automatic to the water pipeline compensation, make the water flow of water pipeline remain stable, seal structure is used for sealed fixed knot structure and rubber gasbag, prevent that the water in the rubber gasbag and the gas of pressure chamber from taking place to leak, the gas seal layer is used for the clearance between sealed flange dish and the rubber gasbag, the water seal layer is used for the clearance between sealed rubber gasbag and the flange lid.

The present invention in a preferred example may be further configured to: the sealing structure further comprises a second sealing layer for sealing a gap between the pressure chamber and the water storage chamber, and the second sealing layer is integrally connected to one end of the air sealing layer and one end of the water sealing layer.

By adopting the technical scheme, the second sealing layer seals the air sealing layer and the water sealing layer after passing through the air sealing layer and the water sealing layer.

The present invention in a preferred example may be further configured to: one end of the air sealing layer, which is far away from the side of the sealing layer II, is fixedly connected with a positioning block for positioning the rubber air bag at the position of the fixed structure.

Through adopting above-mentioned technical scheme, when installation rubber air bag, locating piece assistance-localization real-time for rubber air bag can be accurate install in fixed knot structure intermediate position, avoids the installation dislocation to appear.

The present invention in a preferred example may be further configured to: the steel gas tank comprises a tank body, an upper top cover fixedly connected to the top end of the tank body and a lower bottom cover fixedly connected to the bottom end of the tank body.

By adopting the technical scheme, the upper top cover is fixedly connected to the top end of the tank body, and the lower bottom cover is fixedly connected to the bottom end of the tank body, so that the steel gas tank body is formed.

The present invention in a preferred example may be further configured to: the fixing structure further comprises a first base plate and a round pipe, the first base plate is fixedly connected to the surface of the upper top cover, and the round pipe is fixedly connected between the flange plate and the first base plate.

Through adopting above-mentioned technical scheme, fixed knot constructs through backing plate fixed connection on last top cap, avoids producing the influence to steel gas tank structural strength when fixed flange dish and blind flange, guarantees that steel gas tank has longer life.

The present invention in a preferred example may be further configured to: the supporting structure that fixedly connected with a plurality of was used for supporting steel gas jar body and uses on the lower cover, each the supporting structure includes backing plate two, the supporting leg of fixed connection on backing plate two, the mounting groove that the fixed steel gas jar body of being convenient for was used, fixed connection are at the bottom plate of supporting leg bottom and the bolt that runs through the bottom plate, the mounting groove is seted up and is close to bottom plate one side in the supporting leg bottom.

Through adopting above-mentioned technical scheme, bearing structure is used for supporting the steel gas cylinder, and the supporting leg passes through backing plate two and lower bottom fixed connection, increases the area of contact of supporting leg and lower bottom, and the bottom plate is convenient for operate the bolt for the area of contact of increase supporting leg and ground, mounting groove.

The present invention in a preferred example may be further configured to: and the upper top cover is fixedly connected with a plurality of lifting hooks for lifting the steel gas cylinder body.

Through adopting above-mentioned technical scheme, the lifting hook provides the hanging point for hoist and mount steel gas pitcher, carries the convenience of hoist and mount.

The present invention in a preferred example may be further configured to: the bottom end of the lower bottom cover is provided with an air inlet pipe for inflating the pressure chamber, the air inlet pipe is communicated with the pressure chamber, and the upper top cover is provided with a pressure gauge for monitoring the pressure of the pressure chamber.

Through adopting above-mentioned technical scheme, the intake pipe is aerifyd the pressure chamber, and the manometer shows the pressure in the pressure chamber often.

The second purpose of the invention is to provide a processing technology of a diaphragm air pressure tank, which has the effect of better sealing performance.

The second objective of the present invention is achieved by the following technical solutions:

a processing technology of a diaphragm air pressure tank comprises the following steps,

s1, respectively stamping two round steel plates to respectively form an upper top cover and a lower bottom cover;

s2, bending the rectangular steel plate, and welding the side of the rectangular steel plate in the length direction to form a tank body;

s3, welding an upper top cover at the top end of the tank body, and welding a lower bottom cover at the bottom end of the tank body;

s4, respectively forming round holes in the upper top cover and the lower bottom cover, and welding and fixing structures at the round holes;

s5, welding a support structure on a lower bottom cover, installing an air compensating valve on the lower bottom cover, welding a lifting hook on an upper top cover, installing a pressure gauge on the upper top cover, and welding a nameplate on the tank body;

s6, installing the capsule in the steel gas tank body through a fixing structure, and sealing the capsule through a sealing structure.

Through adopting above-mentioned technical scheme, the steel gas pitcher body divide into top cap, lower bottom and a jar body, and welds each other between the three for the steel gas pitcher body has better leakproofness.

The present invention in a preferred example may be further configured to: the rubber air bag has the capability of relaxing more than 30 thousands of times, can effectively smooth the pressure fluctuation in a water system and slow down the water hammer effect, and is made of food-grade rubber.

Through adopting above-mentioned technical scheme, the rubber gasbag can contract many times, has longer life, and the chooseing for use of food level rubber can be directly used for this equipment on the pump output.

In summary, the invention includes at least one of the following beneficial technical effects:

1. the sealing structure is designed, so that the fixed structure has better air tightness and water tightness;

2. the design of the first backing plate and the second backing plate avoids the influence of the fixed point on the structural strength of the steel gas tank body, and ensures that the steel gas tank body has longer service life;

3. the bolt runs through the bottom plate, makes the steel gas jar body pass through the bolt fastening on the bottom surface, guarantees the stability of the steel gas jar body.

Drawings

FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a top view of a first embodiment of the present invention;

FIG. 4 is a cross-sectional view taken along the line I-I in FIG. 3;

FIG. 5 is an enlarged view of portion B of FIG. 4;

FIG. 6 is a schematic structural diagram of a sealing structure according to a first embodiment of the present invention;

fig. 7 is an enlarged view of a portion C in fig. 4.

Reference numerals: 1. a steel gas tank body; 11. a tank body; 111. a nameplate; 12. a top cover is arranged; 121. a hook; 122. a pressure gauge; 13. a bottom cover is arranged; 131. an air inlet pipe; 2. positioning blocks; 3. a sealing structure; 31. a gas seal layer; 32. a water sealing layer; 33. a second sealing layer; 4. a fixed structure; 41. a first base plate; 42. a circular tube; 43. a flange plate; 44. a flange cover; 5. a support structure; 51. a second backing plate; 52. supporting legs; 53. mounting grooves; 54. a base plate; 55. a bolt; 6. a rubber air bag; 7. a pressure chamber; 8. a reservoir.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.