Welded diaphragm type energy accumulator

Through the coordination of the support ring and the fitting ring, the clamping of the positioning assembly and the bearing plate, the problem of cracking of the welded diaphragm accumulator housing is solved, and the stability of the diaphragm and the stable connection between the upper and lower housings is achieved, and the stability of the energy accumulator is improved.

CN223152416UActive Publication Date: 2025-07-25ZHEJIANG AOLAIER HYDRAULIC CO LTD
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Patent Information

Application Number
CN202422437576.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-09
Publication Date
2025-07-25
Estimated Expiration
2034-10-09

AI Technical Summary

Technical Problem

Existing welded diaphragm accumulators are prone to shell cracking during long-term use, resulting in unstable connections.

Method used

Through the coordination of the support ring and the fitting ring, the clamping connection between the clamping assembly and the bearing plate is combined, and the connecting assembly and the clamping block are used to achieve stability of the diaphragm and the stability of the upper and lower connecting shells, improving the stability of the overall device.

Benefits of technology

The stability of the diaphragm and the stable connection between the upper and lower shells is achieved, and the overall stability and connection effect of the accumulator are improved.

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Abstract

The utility model relates to a welded diaphragm type energy accumulator, and belongs to the technical field of energy accumulators, the welded diaphragm type energy accumulator comprises a lower shell, the bottom of the lower shell is communicated with a liquid receiving head, the top of the lower shell is movably connected with an upper shell, the top of the upper shell is communicated with an inflation head, the lower shell is provided with a connecting assembly, the upper shell is provided with a clamping block, and the clamping block is movably connected with the liquid receiving head. A supporting ring is fixed to the lower shell, an embedding ring is movably connected to the top of the supporting ring, a diaphragm is fixed to the top of the embedding ring, and a connecting assembly is fixed to the diaphragm. According to the welded diaphragm type energy accumulator, through cooperation of a supporting ring and an embedding ring, stability of a diaphragm is preliminarily achieved, through clamping connection of a clamping assembly and a bearing plate, secondary fixing of the diaphragm is achieved, through arrangement of a clamping block, stable connection of an upper connecting shell and a lower connecting shell is preliminarily achieved, and through arrangement of a connecting assembly, the stability of the diaphragm is improved; the stability between the upper connecting shell and the lower connecting shell is improved, the overall connecting effect is good, and stable use of the overall device is facilitated.
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Description

Technical Field

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

[0002] At present, an accumulator is an energy storage device in a hydraulic and pneumatic system. It converts the energy in the system into compressed energy or potential energy and stores it at an appropriate time. When the system needs it, it converts the compressed energy or potential energy into hydraulic or pneumatic energy and releases it to replenish the system again. When the system pressure increases instantaneously, it can absorb this part of the energy to ensure the normal pressure of the whole system.

[0003] For example, a welded diaphragm accumulator in a Chinese patent (publication number: CN214247822U3) includes a housing, the housing includes an upper housing and a lower housing, a protection component is arranged between the upper housing and the lower housing, the protection component includes an inner protection ring and an outer protection ring, first seals are arranged at the top and bottom of the inner protection ring respectively, second seals are arranged at the top and bottom of the outer protection ring respectively, a first embedding groove for partial embedding of the first seal and a second embedding groove for partial embedding of the second seal are respectively formed in the inner side wall and the outer side wall of the upper housing, a first positioning groove for embedding of the first seal and a second embedding groove for partial embedding of the second seal are respectively formed in the inner side wall and the outer side wall of the lower housing. This application has the effect of reducing the probability of cracking between the upper housing and the lower housing under internal high pressure.

[0004] Although this patent is beneficial to the connection and fixation of the accumulator housing by setting the protection component, due to the embedding of fewer structures, it is not conducive to the long-term use of the accumulator and is prone to shell cracking. Therefore, a welded diaphragm accumulator is proposed to solve the above problems. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a welded diaphragm accumulator, which has the advantage of good connection effect and solves the problem of unstable use of the accumulator.

[0006] To achieve the above object, the present utility model provides the following technical solution: A welded diaphragm accumulator, including a lower housing, a liquid connection head is connected to the bottom of the lower housing, the top of the lower housing is movably connected to an upper housing, an inflation head is connected to the top of the upper housing, connection components are provided on both the left and right sides of the lower housing and are movably connected to the upper housing, clamping blocks are fixed on both the left and right sides of the inner cavity of the upper housing and are movably connected to the lower housing, a support ring is fixed to the bottom of the inner cavity of the lower housing, a fitting ring is movably connected to the top of the support ring, a diaphragm is fixed to the top of the fitting ring, and connection components are fixed to both the left and right sides of the diaphragm and are movably connected to the lower housing;

[0007] The connection component includes a clamping box, an acting block, and a limiting component. The clamping box is fixed to the outside of the lower housing, the acting block is located inside the clamping box, the acting block is movably connected to the clamping box, and the top of the acting block is fixed to the limiting component.

[0008] By adopting this technical solution, the fixing effect of the outer shell is achieved through the connection component and the clamping block. At the same time, with the cooperation of the connection component and the fitting ring and the support ring, the stabilizing effect on the diaphragm is achieved, which is beneficial to the stability of the overall device during use.

[0009] Further, a clamping port is provided on the outside of the upper housing, a displacement port is provided on one side of the clamping box close to the upper housing, the acting block is slidably connected to the clamping box through the displacement port, and the acting block is clamped to the upper housing through the clamping port.

[0010] By adopting this technical solution, it is beneficial to the stable displacement of the acting block, which is beneficial to the clamping of the upper housing by the acting block.

[0011] Further, the limiting component includes a top support spring, a connecting plate, a limiting plate, and a pressing plate. The top support spring is fixed to the top of the acting block, the bottom of the connecting plate is fixed to the top support spring, the bottom of the limiting plate is fixed to the connecting plate, and the bottom of the pressing plate is fixed to the limiting plate.

[0012] By adopting this technical solution, it is beneficial to limit the overall component through the limiting plate, which is beneficial to the stability of the component during use, and further beneficial to the stability of the device during use.

[0013] Further, a movable through port is provided on the top of the clamping box, the movable through port is in a groove shape, the left and right sides of the movable through port are adapted to the limiting plate, the size of the middle part of the movable through port is adapted to the pressing plate, and the diameter of the limiting plate is larger than the diameter of the pressing plate.

[0014] By adopting this technical solution, it is beneficial to achieve the limiting effect between the limiting plate and the clamping box through the setting of the movable through port, which is beneficial to limiting the component and improving the stability of the overall use.

[0015] Furthermore, the connection component includes a connection block, a clamping component, and a receiving plate. The connection block is fixed to the outside of the diaphragm, the clamping component is fixed to the top of the connection block, and the receiving plate is fixed to the inside of the lower housing.

[0016] By adopting this technical solution, it is beneficial to stabilize the diaphragm, thereby facilitating the stability of the diaphragm during use and improving the overall use effect of the device.

[0017] Furthermore, an insertion interface penetrating from the top to the bottom of the receiving plate is provided, and the clamping component is movably connected to the insertion interface.

[0018] By adopting this technical solution, it is beneficial for the action column to be clamped with the receiving plate through the insertion interface, thereby facilitating the fixation and stability of the diaphragm.

[0019] Furthermore, the clamping component includes a housing, an action column, a traction plate, a displacement block, a return spring, a movable column, and an adjusting rod. The housing is fixed to the top of the connection block, the action column is movably connected to the housing, the traction plate is fixed to the outside of the action column, the displacement block is fixed to the bottom of the action column, the upper and lower sides of the return spring are respectively fixed to the displacement block and the housing, the movable column is movably connected to the displacement block, the top of the adjusting rod is fixed to the outside of the movable column, and the bottom of the adjusting rod is hinged to the housing.

[0020] By adopting this technical solution, it is beneficial to press the traction plate to drive the displacement of the movable column, and then through the reset action of the return spring, drive the displacement block to push the action column upward, thereby facilitating the fixation of the action column to the diaphragm.

[0021] Furthermore, a sliding channel is provided on the front surface of the displacement block, and the movable column is slidably connected to the displacement block through the sliding channel. The action column penetrates the housing and extends to its inside.

[0022] By adopting this technical solution, it is beneficial to realize the stable movement of the displacement block, thereby facilitating the stable rise of the action column.

[0023] Furthermore, the clamping block includes a receiving block and an action plate. The receiving block is fixed to the inside of the lower housing, the action plate is clamped to the receiving block, and the receiving block is fixed to the inside of the upper housing.

[0024] By adopting this technical solution, it is beneficial to clamp the action plate with the receiving block, and further beneficial to realize the stable connection between the upper housing and the lower housing, and beneficial to improve the overall use stability.

[0025] Compared with the prior art, the technical solution of the present application has the following beneficial effects:

[0026] The welded diaphragm accumulator preliminarily realizes the stability of the diaphragm through the cooperation of the support ring and the fitting ring, realizes the secondary fixation of the diaphragm through the clamping of the clamping component and the bearing plate, preliminarily realizes the stable connection of the upper connection shell and the lower connection shell through the setting of the clamping block, and further improves the stability between the upper connection shell and the lower connection shell through the setting of the connection component. The overall connection effect is good, which is beneficial to the stable use of the overall device. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is a schematic structural view of the present utility model;

[0028] Figure 2 is a schematic structural view of the limiting component of the present utility model;

[0029] Figure 3 is a top view of the connection component of the present utility model;

[0030] Figure 4 is a three-dimensional view of the clamping component of the present utility model.

[0031] In the figure: 1, lower shell; 2, liquid connection head; 3, upper shell; 4, inflation head; 5, clamping box; 6, acting block; 7, limiting component; 701, top support spring; 702, connecting plate; 703, limiting plate; 704, pressing plate; 8, clamping block; 9, support ring; 10, fitting ring; 11, diaphragm; 12, connecting block; 13, clamping component; 1301, outer shell; 1302, acting column; 1303, traction plate; 1304, displacement block; 1305, return spring; 1306, movable column; 1307, adjusting rod; 14, bearing plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0032] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present utility model.

[0033] Please refer to Figure 1 , in this embodiment, a welded diaphragm accumulator includes a lower shell 1, a liquid connection head 2 is connected to the bottom of the lower shell 1, an upper shell 3 is movably connected to the top of the lower shell 1, an inflation head 4 is connected to the top of the upper shell 3. Through the settings of the liquid connection head 2 and the inflation head 4, it is beneficial to the normal operation of the overall accumulator and the stability of the device during use. Connection components movably connected to the upper shell 3 are provided on both the left and right sides of the lower shell 1.

[0034] It can be understood that the setting of the connecting component is conducive to stabilizing the upper shell 3 and the lower shell 1, which is beneficial to the stable use of the device. Through the cooperation of the liquid receiving head 2 and the inflation head 4, it is conducive to the realization of the normal functions of the device and the stability of the overall use.

[0035] It can also be understood that clamping blocks 8 that are fixedly connected to the inner sides of the left and right sides of the inner cavity of the upper shell 3 and are movably connected to the lower shell 1 are provided. The clamping block 8 includes a receiving block and an acting plate. The receiving block is fixedly connected to the inner side of the lower shell 1, the acting plate is clamped with the receiving block, and the receiving block is fixedly connected to the inner side of the upper shell 3. Through the cooperative setting of the acting plate and the receiving block, it is beneficial to initially stabilize the upper shell 3 and the lower shell 1, which is beneficial to the stability of the device during use. A support ring 9 is fixedly connected to the bottom of the inner cavity of the lower shell 1. A fitting ring 10 is movably connected to the top of the support ring 9. A diaphragm 11 is fixedly connected to the top of the fitting ring 10. Connecting components that are movably connected to the lower shell 1 are fixedly connected to both the left and right sides of the diaphragm 11.

[0036] It should be noted that through the fitting connection between the fitting ring 10 and the support ring 9, it is beneficial to realize the initial stability of the diaphragm 11, and further beneficial to the stable operation of the device.

[0037] The connecting component includes a clamping box 5, an acting block 6, and a limiting component 7. The clamping box 5 is fixedly connected to the outer side of the lower shell 1. An activity through - opening is provided at the top of the clamping box 5. Through the setting of the activity through - opening, it is beneficial to the sliding of the acting block 6, and further beneficial to the realization of the clamping function of the acting block 6 and the realization of the stabilizing function. The activity through - opening is in the shape of a notch. The acting block 6 is located inside the clamping box 5. The acting block 6 is movably connected to the clamping box 5. The top of the acting block 6 is fixedly connected to the limiting component 7.

[0038] It also needs to be noted that by setting the activity through - opening in the shape of a notch, it is beneficial to limit the limiting plate 703, and further beneficial to the stability of the overall component during use and the stability of the device during use.

[0039] A clamping interface is provided on the outer side of the upper shell 3. A displacement opening is provided on one side of the clamping box 5 close to the upper shell 3. The acting block 6 is slidably connected to the clamping box 5 through the displacement opening, and the acting block 6 is clamped to the upper shell 3 through the clamping interface.

[0040] It is not difficult to understand that through the setting of the clamping interface and the displacement opening, it is beneficial for the acting block 6 to be clamped to the upper shell 3 after passing through the clamping interface and the displacement opening, and further beneficial to the realization of the stable effect of the device.

[0041] It can be found that the connection component includes a connection block 12, a clamping component 13 and a receiving plate 14. The connection block 12 is fixed to the outside of the diaphragm 11, and the clamping component 13 is fixed to the top of the connection block 12. Through the setting of the clamping component 13, it is beneficial to secondarily fix the diaphragm 11, which is beneficial to the stability of the diaphragm 11, and thus beneficial to the stable use of the overall device. The receiving plate 14 is fixed to the inside of the lower housing 1, and an insertion port penetrating through its bottom is provided at the top of the receiving plate 14. The clamping component 13 is movably connected to the insertion port.

[0042] In this embodiment, through the cooperation of the support ring 9 and the fitting ring 10, the preliminary fixation of the diaphragm 11 is realized. Through the setting of the connection component, the stability of the diaphragm 11 is secondarily strengthened. Through the setting of the connection component and the clamping block 8, the overall fixation effect is realized, which is beneficial to the stability of the overall use of the accumulator.

[0043] Please refer to Figures 2 to 3 , in order to improve the stability of the device during use, the limiting component 7 in this embodiment includes a top support spring 701, a connecting plate 702, a limiting plate 703 and a pressing plate 704. The top support spring 701 is fixed to the top of the acting block 6, and the bottom of the connecting plate 702 is fixed to the top support spring 701. Through the setting of the top support spring 701, it is beneficial to support the limiting plate 703, and thus beneficial to limit the acting block 6, thereby beneficial to the stability of the component during use, and thus improving the firmness of the overall connection. The bottom of the limiting plate 703 is fixed to the connecting plate 702, and the bottom of the pressing plate 704 is fixed to the limiting plate 703. The left and right sides of the movable through-hole are adapted to the limiting plate 703, the size of the middle part of the movable through-hole is adapted to the pressing plate 704, and the diameter of the limiting plate 703 is larger than the diameter of the pressing plate 704.

[0044] It should be elaborated that in this embodiment, by pressing the pressing plate 704, the limiting plate 703 is pressed downward, so that the limiting plate 703 and the acting block 6 pass through the movable through-hole, so that the acting block 6 clamps the upper housing 3, which is beneficial to the firm connection between the upper housing 3 and the lower housing 1, and thus beneficial to improving the stability of the device during use.

[0045] Please refer to Figure 4 , in order to realize the stable use of the device, the clamping component 13 in this embodiment includes a housing 1301, an acting column 1302, a traction plate 1303, a displacement block 1304, a return spring 1305, a movable column 1306 and an adjusting rod 1307. The housing 1301 is fixed to the top of the connection block 12, the acting column 1302 is movably connected to the housing 1301, the traction plate 1303 is fixed to the outside of the acting column 1302, the displacement block 1304 is fixed to the bottom of the acting column 1302, and the upper and lower sides of the return spring 1305 are respectively fixed to the displacement block 1304 and the housing 1301.

[0046] It should also be elaborated that through the elastic action of the return spring 1305, it is beneficial to push the acting column 1302 upward, which in turn facilitates the clamping effect between the acting column 1302 and the receiving plate 14, thus facilitating the stable use of the device.

[0047] A sliding channel is provided on the front surface of the displacement block 1304. Through the setting of the sliding channel, it is beneficial for the sliding of the movable column 1306, so that after the adjusting rod 1307 adjusts the angle, the displacement block 1304 moves upward, which is beneficial for fixing the diaphragm 11. The movable column 1306 is slidably connected to the displacement block 1304 through the sliding channel. The acting column 1302 penetrates through the housing 1301 and extends to its inner side. The movable column 1306 is movably connected to the displacement block 1304. The top of the adjusting rod 1307 is fixed to the outer side of the movable column 1306, and the bottom of the adjusting rod 1307 is hinged to the housing 1301.

[0048] In this embodiment, by pressing the traction plate 1303, through the sliding action of the movable column 1306 in the sliding channel, the adjusting rod 1307 is adjusted in angle. With the elastic action of the return spring 1305, the displacement block 1304 is pushed upward, which is beneficial for pushing the acting column 1302 upward, thereby clamping the receiving plate 14, which is beneficial for realizing the stability of the diaphragm 11, and further beneficial for realizing the stable use of the overall device.

[0049] The electrical components mentioned in the text are all electrically connected to the controller and the power supply. The control mode of the present invention is controlled by the controller. The control circuit of the controller can be realized by simple programming of those skilled in the art. The provision of the power supply also belongs to the common knowledge in the art. And the present invention is mainly used to protect mechanical devices, so the control mode and circuit connection of the present invention will not be explained in detail.

[0050] The working principle of the above embodiment is as follows:

[0051] Place the diaphragm 11 into the lower housing 1. Through the engagement of the fitting ring 10 and the support ring 9, the stable placement of the diaphragm 11 is initially achieved. By rotating the diaphragm 11, the receiving block is snap-fitted with the acting plate, realizing the connection between the upper housing 3 and the lower housing 1. Rotate the acting column 1302 on the positioning component 1302. After aligning the acting column 1302 with the insertion port on the receiving plate 14, press the traction plate 1303. Through the displacement of the movable column 1306, drive the adjusting rod 1307 to adjust the angle, so that the movable column 1306 slides on the displacement block 1304. Under the supporting action of the return spring 1305, the displacement block 1304 is pushed upward, so that the acting column 1302 moves upward and is inserted into the insertion port, realizing the stability of the diaphragm 11 for the second time. By pressing the pressing plate 704, under the elastic action of the supporting spring 701, the limiting plate 703 is pressed down, so that the limiting plate 703 slides to the right, driving the acting block 6 to slide to the right, thereby positioning and fixing the upper housing 3, realizing the firm connection between the upper housing 3 and the lower housing 1 for the second time. The overall use is convenient, the fixed connection effect is good, which is beneficial to the stable use of the device.

Claims

1. A welded diaphragm accumulator, comprising a lower housing (1), characterized in that: A liquid receiving head (2) is connected to the bottom of the lower housing (1). The upper housing (3) is movably connected to the top of the lower housing (1). An inflation head (4) is connected to the top of the upper housing (3). Connecting components for movably connecting with the upper housing (3) are arranged on both the left and right sides of the lower housing (1). Clamping blocks (8) for movably connecting with the lower housing (1) are fixed on both the left and right sides inside the upper housing (3). A support ring (9) is fixed to the bottom inside the lower housing (1). A fitting ring (10) is movably connected to the top of the support ring (9). A diaphragm (11) is fixed to the top of the fitting ring (10). Connecting components for movably connecting with the lower housing (1) are fixed on both the left and right sides of the diaphragm (11). The connecting component includes a clamping box (5), an acting block (6), and a limiting component (7). The clamping box (5) is fixed to the outside of the lower housing (1). The acting block (6) is located inside the clamping box (5). The acting block (6) is movably connected to the clamping box (5). The top of the acting block (6) is fixed to the limiting component (7).

2. A welded diaphragm accumulator according to claim 1, wherein: A clamping interface is provided on the outside of the upper housing (3). A displacement opening is provided on one side of the clamping box (5) close to the upper housing (3). The acting block (6) is slidably connected to the clamping box (5) through the displacement opening. The acting block (6) is clamped to the upper housing (3) through the clamping interface.

3. The welded diaphragm accumulator according to claim 1, characterized in that: The limiting component (7) includes a top-supporting spring (701), a connecting plate (702), a limiting plate (703), and a pressing plate (704). The top-supporting spring (701) is fixed to the top of the acting block (6). The bottom of the connecting plate (702) is fixed to the top-supporting spring (701). The bottom of the limiting plate (703) is fixed to the connecting plate (702). The bottom of the pressing plate (704) is fixed to the limiting plate (703).

4. A welded diaphragm accumulator according to claim 3, characterized in that: An activity through-opening is provided at the top of the clamping box (5). The activity through-opening is in the shape of a notch. The left and right sides of the activity through-opening are adapted to the limiting plate (703). The size of the middle part of the activity through-opening is adapted to the pressing plate (704). The diameter of the limiting plate (703) is larger than the diameter of the pressing plate (704).

5. A welded diaphragm accumulator according to claim 1, characterized in that: The connecting component includes a connecting block (12), a positioning component (13), and a receiving plate (14). The connecting block (12) is fixed to the outside of the diaphragm (11). The positioning component (13) is fixed to the top of the connecting block (12). The receiving plate (14) is fixed to the inside of the lower housing (1).

6. The welded diaphragm accumulator according to claim 5, characterized in that: An insertion interface penetrating through to its bottom is provided at the top of the receiving plate (14). The positioning component (13) is movably connected to the insertion interface.

7. A welded diaphragm accumulator according to claim 5, characterized in that: The clamping component (13) includes a housing (1301), an acting column (1302), a traction plate (1303), a displacement block (1304), a return spring (1305), a movable column (1306) and an adjusting rod (1307). The housing (1301) is fixed to the top of the connecting block (12). The acting column (1302) is movably connected to the housing (1301). The traction plate (1303) is fixed to the outer side of the acting column (1302). The displacement block (1304) is fixed to the bottom of the acting column (1302). The upper and lower sides of the return spring (1305) are respectively fixed to the displacement block (1304) and the housing (1301). The movable column (1306) is movably connected to the displacement block (1304). The top of the adjusting rod (1307) is fixed to the outer side of the movable column (1306). The bottom of the adjusting rod (1307) is hinged to the housing (1301).

8. A welded diaphragm accumulator according to claim 7, characterized in that: A sliding channel is formed on the front surface of the displacement block (1304). The movable column (1306) is slidably connected to the displacement block (1304) through the sliding channel. The acting column (1302) penetrates through the housing (1301) and extends to its inner side.

9. A welded diaphragm accumulator according to claim 1, characterized in that: The clamping block (8) includes a receiving block and an acting plate. The receiving block is fixed to the inner side of the lower housing (1). The acting plate is clamped to the receiving block. The receiving block is fixed to the inner side of the upper housing (3).

Citation Information

Patent Citations

  • Welded diaphragm energy accumulator

    CN214247822U