Wear-resistant diaphragm type energy accumulator

Abstract

The utility model relates to the technical field of diaphragm type energy accumulators, and provides a wear-resisting diaphragm type energy accumulator which comprises a support assembly and an energy accumulator assembly, the energy accumulator assembly comprises a shell, a liquid inlet, an air inlet, a fixing base and a diaphragm body, the liquid inlet is fixed to the bottom end of the shell, a pressure relief structure is arranged at the top end of the shell, and the diaphragm body is arranged on the support assembly. The pressure relief structure comprises a protective shell, an electric push rod, a reset spring, an exhaust port, a pressing plate, a sealing ring and a brush body. By arranging the pressure relief structure, when the internal pressure of the shell is too large, gas can push the pressing plate to move, the pressing plate drives the brush body to clean the dustproof net, the pressing plate drives the sealing ring to move, the gas is exhausted from the exhaust port, the electric push rod is started, the electric push rod drives the sealing ring to move through the pressing plate, and the dustproof net is cleaned. And meanwhile, the pressing plate can drive the brush body to sweep the dustproof net, the function of facilitating pressure relief of the device is achieved, and therefore the applicability of the wear-resisting diaphragm type energy accumulator in the using process is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of diaphragm accumulators, in particular to a wear-resistant diaphragm accumulator. Background Art

[0002] Diaphragm accumulator is a common mechanical accumulator used to store fluid energy and release it when needed. Diaphragm accumulators can be used in a wide range of industrial and automotive applications. There are many types of diaphragm accumulators, and a wear-resistant diaphragm accumulator is an important part of them;

[0003] To this end, the patent with publication number CN214247822U discloses a welded diaphragm accumulator, including a shell, the shell including an upper shell and a lower shell, a protective assembly is arranged between the upper shell and the lower shell, the protective assembly includes an inner protective ring and an outer protective ring, the top and bottom of the inner protective ring are both provided with a first seal, the top and bottom of the outer protective ring are both provided with a second seal, the inner side wall and the outer side wall of the upper shell are respectively provided with a first embedding groove for partially embedding the first seal and a second embedding groove for partially embedding the second seal, the inner side wall and the outer side wall of the lower shell are respectively provided with a first positioning groove for partially embedding the first seal and a second positioning groove for partially embedding the second seal. This application has the effect of reducing the probability of cracking between the upper shell and the lower shell under internal high pressure;

[0004] The above-mentioned welded diaphragm accumulator reduces the probability of cracking between the upper shell and the lower shell under internal high pressure by providing a protective component during use, but it is inconvenient to automatically release pressure during use, which makes it less suitable for use. Utility Model Content

[0005] The utility model aims to provide a wear-resistant diaphragm accumulator to solve the defect that the existing wear-resistant diaphragm accumulator is inconvenient to automatically release pressure.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a wear-resistant diaphragm accumulator, comprising a bracket assembly and an accumulator assembly;

[0007] The accumulator assembly includes a shell, a liquid inlet, an air inlet, a fixing seat and a diaphragm body, the bottom end of the shell is fixed with a liquid inlet, the top end of the shell is provided with a pressure relief structure, the pressure relief structure includes a protective shell, an electric push rod, a return spring, an exhaust port, a pressure plate, a sealing ring and a brush body, and the protective shell is installed at the top end of the shell;

[0008] An air inlet is fixed on one side of the top of the shell, a diaphragm body is arranged inside the shell, a fixing seat is fixed on the outer wall of the shell, and fixing structures are arranged on both sides of the fixing seat;

[0009] A bracket assembly is provided on one side of the fixed structure, and the bracket assembly includes a first base, a second base, a support plate, a positioning column and a positioning groove. A second base is provided on one side of the first base, and positioning grooves are evenly provided on one side inside the second base. Positioning columns are provided inside the positioning grooves, and support plates are fixed to the top ends of the first base and the second base, respectively.

[0010] When the device is used, the pressure relief structure is provided to realize the function of facilitating pressure relief of the device, thereby improving the applicability of the wear-resistant diaphragm accumulator when in use; and the fixing structure is provided to realize the function of assembling and fixing of the device, thereby improving the stability of the wear-resistant diaphragm accumulator when in use.

[0011] Preferably, one end of the positioning column extends to the outside of the second base and is fixedly connected to one side of the first base, and the positioning column and the second base form a sliding structure through a positioning groove.

[0012] Preferably, a liquid inlet valve is disposed inside the liquid inlet, and an air inlet valve is disposed inside the air inlet.

[0013] Preferably, the fixing structure includes a first flange, a second flange and fixing bolts, the first flange is arranged on one side of the fixing seat, the second flange is arranged on the other side of the fixing seat, and fixing bolts are evenly penetrated at both ends of the first flange and the second flange.

[0014] Preferably, the first flange and the second flange are connected by fixing bolts, and the outer side of the first flange is fixedly connected to one side of the top support plate of the second base. The first base is moved to one side of the second base, so that the positioning column is moved to the inside of the positioning groove.

[0015] Preferably, the outer side of the second flange is fixedly connected to one side of the support plate at the top of the first base, and the cross-sectional area of ​​the first flange and the second flange is larger than the cross-sectional area of ​​the fixing seat. At this time, the first base and the second base drive the first flange and the second flange to move to the outer side of the fixing seat through the support plate, and the first flange and the second flange are fixed to each other under the action of the fixing bolts.

[0016] Preferably, a pressure plate is provided inside the protective shell, a sealing ring is fixed to the bottom end of the pressure plate, an electric push rod is fixed to the top end of the pressure plate, a return spring is sleeved on the outer side of the electric push rod, exhaust ports are provided on both sides of the inside of the protective shell, and brush bodies are evenly provided on the outer wall of the pressure plate.

[0017] Preferably, the top end of the electric push rod is fixedly connected to the top of the protective shell, and the bottom end of the sealing ring contacts the outer wall of the shell. When the internal pressure of the shell is too high, the gas will push the pressure plate to move, and the pressure plate will drive the brush body to clean the dustproof net, and the pressure plate will drive the sealing ring to move, so that the gas will be discharged from the exhaust port.

[0018] Preferably, a dust screen is provided inside the exhaust port, and one side of the brush body contacts one side of the dust screen. When the electric push rod is started, the electric push rod drives the sealing ring to move through the pressure plate, and the pressure plate drives the brush body to clean the dust screen.

[0019] The utility model provides a wear-resistant diaphragm accumulator, which has the following advantages:

[0020] By providing a pressure relief structure, when the internal pressure of the shell is too high, the gas will push the pressure plate to move, and the pressure plate drives the brush body to clean the dust screen. The pressure plate drives the sealing ring to move, so that the gas is discharged from the exhaust port, and the electric push rod is started. The electric push rod drives the sealing ring to move through the pressure plate, and the pressure plate drives the brush body to clean the dust screen, so that the function of the device is easy to release pressure, thereby improving the applicability of the wear-resistant diaphragm accumulator when in use;

[0021] By providing a fixing structure, the first base is moved to one side of the second base, and the positioning column is moved to the inside of the positioning groove. At this time, the first base and the second base drive the first flange and the second flange to move to the outside of the fixing seat through the support plate. Under the action of the fixing bolts, the first flange and the second flange are fixed to each other, so that the device has the function of assembly and fixing, thereby improving the stability of the wear-resistant diaphragm accumulator during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0023] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0024] Figure 3 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0025] Figure 4 It is a schematic diagram of the cross-sectional structure of the utility model in a top view;

[0026] Figure 5 It is a schematic diagram of the cross-sectional structure of the bracket assembly of the utility model from top view.

[0027] Explanation of the reference numerals in the figure: 1. Bracket assembly; 101. First base; 102. Second base; 103. Support plate; 104. Positioning column; 105. Positioning groove; 2. Accumulator assembly; 201. Shell; 202. Liquid inlet; 203. Air inlet; 204. Fixing seat; 205. Diaphragm body; 3. Fixing structure; 301. First flange; 302. Second flange; 303. Fixing bolt; 4. Pressure relief structure; 401. Protective shell; 402. Electric push rod; 403. Reset spring; 404. Exhaust port; 405. Press plate; 406. Sealing ring; 407. Brush body. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-Figure 5 The utility model provides a wear-resistant diaphragm accumulator, including a bracket assembly 1 and an accumulator assembly 2, the accumulator assembly 2 includes a shell 201, a liquid inlet 202, an air inlet 203, a fixing seat 204 and a diaphragm body 205, the bottom end of the shell 201 is fixed with a liquid inlet 202, the top end of the shell 201 is provided with a pressure relief structure 4, the pressure relief structure 4 includes a protective shell 401, an electric push rod 402, a return spring 403, an exhaust port 404, a pressure plate 405, a sealing ring 406 and a brush body 407, the protective shell 401 is installed on the top end of the shell 201, the interior of the protective shell 401 is provided with a pressure plate 405, the pressure plate 405 A sealing ring 406 is fixed to the bottom end, an electric push rod 402 is fixed to the top of the pressure plate 405, a return spring 403 is sleeved on the outer side of the electric push rod 402, exhaust ports 404 are arranged on both sides of the inside of the protective shell 401, a brush body 407 is evenly arranged on the outer wall of the pressure plate 405, the top of the electric push rod 402 is fixedly connected to the top of the protective shell 401, the bottom end of the sealing ring 406 is in contact with the outer wall of the shell 201, a dustproof net is arranged inside the exhaust port 404, one side of the brush body 407 is in contact with one side of the dustproof net, a liquid inlet valve is arranged inside the liquid inlet 202, and an air inlet valve is arranged inside the air inlet 203.

[0030] Reference Figure 2 and Figure 3As shown, when the internal pressure of the shell 201 is too high, the gas will push the pressure plate 405 to move, and the pressure plate 405 drives the brush body 407 to clean the dust net. The pressure plate 405 drives the sealing ring 406 to move, so that the gas is discharged from the exhaust port 404, and the electric push rod 402 is started. The electric push rod 402 drives the sealing ring 406 to move through the pressure plate 405. At the same time, the pressure plate 405 drives the brush body 407 to clean the dust net.

[0031] An air inlet 203 is fixed to one side of the top of the shell 201, a diaphragm body 205 is arranged inside the shell 201, a fixing seat 204 is fixed to the outer wall of the shell 201, and a fixing structure 3 is arranged on both sides of the fixing seat 204. The fixing structure 3 includes a first flange 301, a second flange 302 and fixing bolts 303. The first flange 301 is arranged on one side of the fixing seat 204, and the second flange 302 is arranged on the other side of the fixing seat 204. The fixing bolts 303 are evenly penetrated at both ends of the first flange 301 and the second flange 302. The first flange 301 and the second flange 302 are connected by the fixing bolts 303. The outer side of the first flange 301 is fixedly connected to one side of the support plate 103 at the top of the second base 102, and the outer side of the second flange 302 is connected to the support plate 103 at the top of the first base 101. One side of the support plate 103 is fixedly connected, the cross-sectional area of ​​the first flange 301 and the second flange 302 is larger than the cross-sectional area of ​​the fixing seat 204, a bracket assembly 1 is provided on one side of the fixing structure 3, the bracket assembly 1 includes a first base 101, a second base 102, a support plate 103, a positioning column 104 and a positioning groove 105, a second base 102 is provided on one side of the first base 101, a positioning groove 105 is evenly provided on one side inside the second base 102, a positioning column 104 is provided inside the positioning groove 105, a support plate 103 is fixed to the top of the first base 101 and the second base 102, one end of the positioning column 104 extends to the outside of the second base 102 and is fixedly connected to one side of the first base 101, and the positioning column 104 and the second base 102 form a sliding structure through the positioning groove 105.

[0032] Reference Figure 1 and Figure 2 As shown, the first base 101 is moved to one side of the second base 102, so that the positioning column 104 is moved to the inside of the positioning groove 105. At this time, the first base 101 and the second base 102 drive the first flange 301 and the second flange 302 to move to the outside of the fixing seat 204 through the support plate 103. Under the action of the fixing bolts 303, the first flange 301 and the second flange 302 are fixed to each other.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A wear-resistant diaphragm accumulator, comprising a bracket assembly (1) and an accumulator assembly (2); Features: The accumulator assembly (2) comprises a shell (201), a liquid inlet (202), an air inlet (203), a fixing seat (204) and a diaphragm body (205); the bottom end of the shell (201) is fixed with the liquid inlet (202); the top end of the shell (201) is provided with a pressure relief structure (4); the pressure relief structure (4) comprises a protective shell (401), an electric push rod (402), a return spring (403), an air outlet (404), a pressure plate (405), a sealing ring (406) and a brush body (407); the protective shell (401) is installed on the top end of the shell (201); An air inlet (203) is fixed on one side of the top end of the shell (201), a diaphragm body (205) is arranged inside the shell (201), a fixing seat (204) is fixed on the outer wall of the shell (201), and fixing structures (3) are arranged on both sides of the fixing seat (204); A support assembly (1) is provided on one side of the fixed structure (3), and the support assembly (1) comprises a first base (101), a second base (102), a support plate (103), a positioning column (104) and a positioning groove (105); the second base (102) is provided on one side of the first base (101); positioning grooves (105) are evenly provided on one side inside the second base (102); positioning columns (104) are provided inside the positioning grooves (105); and support plates (103) are fixed to the top ends of the first base (101) and the second base (102), respectively.

2. A wear-resistant diaphragm accumulator according to claim 1, characterized in that: One end of the positioning column (104) extends to the outside of the second base (102) and is fixedly connected to one side of the first base (101); the positioning column (104) and the second base (102) form a sliding structure via a positioning groove (105).

3. A wear-resistant diaphragm accumulator according to claim 1, characterized in that: A liquid inlet valve is disposed inside the liquid inlet (202), and an air inlet valve is disposed inside the air inlet (203).

4. A wear-resistant diaphragm accumulator according to claim 1, characterized in that: The fixing structure (3) comprises a first flange (301), a second flange (302) and fixing bolts (303); the first flange (301) is arranged on one side of the fixing seat (204); the second flange (302) is arranged on the other side of the fixing seat (204); and fixing bolts (303) are evenly passed through both ends of the first flange (301) and the second flange (302).

5. A wear-resistant diaphragm accumulator according to claim 4, characterized in that: The first flange (301) and the second flange (302) are connected via fixing bolts (303), and the outer side of the first flange (301) is fixedly connected to one side of the top support plate (103) of the second base (102).

6. A wear-resistant diaphragm accumulator according to claim 4, characterized in that: The outer side of the second flange (302) is fixedly connected to one side of the top support plate (103) of the first base (101), and the cross-sectional area of ​​the first flange (301) and the second flange (302) is greater than the cross-sectional area of ​​the fixing seat (204).

7. The wear-resistant diaphragm accumulator according to claim 1, characterized in that: A pressure plate (405) is arranged inside the protective shell (401), a sealing ring (406) is fixed to the bottom end of the pressure plate (405), an electric push rod (402) is fixed to the top end of the pressure plate (405), a return spring (403) is sleeved on the outer side of the electric push rod (402), exhaust ports (404) are arranged on both sides of the inside of the protective shell (401), and a brush body (407) is evenly arranged on the outer wall of the pressure plate (405).

8. A wear-resistant diaphragm accumulator according to claim 7, characterized in that: The top end of the electric push rod (402) is fixedly connected to the top of the protective shell (401), and the bottom end of the sealing ring (406) is in contact with the outer wall of the shell (201).

9. The wear-resistant diaphragm accumulator according to claim 7, characterized in that: A dustproof net is provided inside the exhaust port (404), and one side of the brush body (407) is in contact with one side of the dustproof net.

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