An accumulator resistant to high pressure impact

By adopting the meshing structure of convex and groove strips in the accumulator, the design of metal disc and flow channel, and the coordination of bacteria-type valve stem and return spring, the problems of poor liquid release of the accumulator and damage to bacteria-type valve under high-pressure impact are solved, and a more stable system pressure change is achieved.

CN119196082BActive Publication Date: 2025-03-07BUKEMA ACCUMULATOR ZHANGJIAKOU CO LTD
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Patent Information

Application Number
CN202411703280.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-03-07
Estimated Expiration
2044-11-26

AI Technical Summary

Technical Problem

Existing accumulators are prone to problems such as poor liquid release and damage to bacterial valves under high pressure impact, resulting in unstable system pressure.

Method used

A high-pressure impact-resistant energy accumulator is designed, and the meshing structure of convex strips and groove strips is used to reduce the tensile impact during expansion. The metal disk and the diversion groove disperse the impact force, and the combination of the bacteria-type valve stem and the return spring achieves sealing and buffering.

Benefits of technology

Effectively reduce the impact of high-pressure impact on the accumulator, prevent damage to bacterial valves, and ensure the stability of liquid release and the stable change in system pressure.

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Abstract

The present invention relates to the technical field of accumulator equipment, and discloses an accumulator resistant to high-pressure impact, including an accumulator shell, an upper end of the accumulator shell is fixedly installed with an air charging valve at a central position, the lower end of the air charging valve is fixedly provided with an energy storage capsule near the inner side of the accumulator shell, the outer side of the energy storage capsule is fixedly provided with a convex strip near the upper side, the inner side of the convex strip is fixedly provided with a reinforcing rib, a metal disk is fixedly provided inside the lower side of the energy storage capsule, four groups of guide grooves are provided at the bottom of the metal disk, and a groove strip is provided on the inner wall of the accumulator shell near the upper side. The accumulator resistant to high-pressure impact described in the present invention can reduce the impact force generated by high pressure through overall coordinated use, and avoid the mushroom-shaped valve head from generating a downward moving force when it is not in contact with the energy storage capsule, and the possible phenomenon of poor oil drainage.
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Description

Technical Field

[0001] The invention relates to the technical field of accumulator equipment, in particular to an accumulator resistant to high-pressure impact. Background Art

[0002] The accumulator is an energy storage device in the hydraulic and pneumatic system. It converts the energy in the system into compression energy or potential energy and stores it at the right time. When the system needs it, it converts the compression energy or potential energy into hydraulic or air pressure energy and releases it to replenish the system. When the system pressure increases instantly, it can absorb this part of the energy to ensure the normal pressure of the entire system.

[0003] As disclosed in the public document: CN112324722A, an anti-shock accumulator includes a housing, a flow valve body mechanism disposed at the right oil port of the housing, and a capsule mechanism disposed at the left oil port of the housing; the flow valve body mechanism includes a flow valve body, a fungus-shaped valve, and a sealing ring, the surface of the sealing ring is fixedly connected to the right oil port of the housing, and one side of the flow valve body sequentially penetrates the housing and the sealing ring and extends to one side of the sealing ring. The present invention relates to the technical field of accumulators. The anti-shock accumulator reduces the impact of liquid release on the fungus-shaped valve by reducing the spherical curvature of the left side of the mushroom head of the fungus-shaped valve. The right side of the mushroom head of the fungus-shaped valve is designed as a conical surface, which reduces the impact of liquid on the fungus-shaped valve when entering the accumulator, prevents the mushroom head from breaking, and prolongs the service life of the fungus-shaped valve. At the same time, the piston is designed as a closed cavity to wrap the elastic disc spring inside. Even if the elastic disc spring is broken, it will not cause damage to the accumulator or the hydraulic system, which meets the actual use requirements.

[0004] In the flow valve of this device, the fungus-type valve and the spring work together. After the airbag expands, the fungus-type valve is pushed to close the oil port. However, the spring structure is used for support. After the pressure of the airbag in the shell increases, the oil inside the shell flows and is discharged quickly. The high pressure inside the shell and the impact of the liquid flow will exert pressure on the fungus-type valve, causing it to move downward and compress the spring. The fungus-type valve quickly moves closer to the oil outlet, which may cause poor discharge of the pressure oil and thus cause oil trapping. Summary of the invention

[0005] The main purpose of the present invention is to provide an accumulator resistant to high-pressure impact, which can effectively solve the problems in the background technology.

[0006] To achieve the above object, the technical solution adopted by the present invention is:

[0007] An accumulator resistant to high-pressure impact, comprising an accumulator shell, an upper end of the accumulator shell is fixedly installed with an air charging valve at a central position, a lower end of the air charging valve is fixedly provided with an energy storage capsule near the inner side of the accumulator shell, a convex strip is fixedly provided on the outer side of the energy storage capsule near the upper side, a reinforcing rib is fixedly provided on the inner side of the convex strip, a metal plate is fixedly provided inside the lower side of the energy storage capsule, four groups of guide grooves are provided at the bottom of the metal plate, a groove strip is provided near the upper side of the inner wall of the accumulator shell, and the accumulator shell A sealing ring is fixedly provided on the lower side of the body, a discharge disk is fixedly installed on the inner side of the sealing ring near the upper side, an arc groove is provided on the upper end of the discharge disk, seven groups of discharge ports are provided on the inner side of the discharge disk near the outer side, a fixing ring is fixedly provided on the lower end of the discharge disk, a circular groove 1 is provided on the inner sides of the discharge disk and the fixing ring, a mushroom-type valve stem is movably provided on the inner sides of the fixing ring and the circular groove 1, a mushroom-type valve head is fixedly provided on the upper end of the mushroom-type valve stem, and a return spring 1 is sleeved on the outer side of the mushroom-type valve stem near the inner side of the circular groove 1.

[0008] Preferably, a circular groove II is provided in the center of the mushroom-shaped valve stem and on the upper side of the mushroom-shaped valve head, a trigger rod is movably provided on the inner side of the mushroom-shaped valve stem and the circular groove II, a spherical block is fixedly provided on the upper end of the trigger rod near the upper side of the mushroom-shaped valve head, a reset spring II is sleeved on the outer side of the trigger rod near the inner side of the circular groove II, a plurality of groups of push plates are fixedly provided on the lower side of the trigger rod, a limiting plate is fixedly provided on the bottom thread of the trigger rod, buffer sliding openings are provided on the inner side of the lower side of the mushroom-shaped valve stem corresponding to the positions of the plurality of push plates, and positioning openings are provided on the lower side of the mushroom-shaped valve stem corresponding to the plurality of groups of buffer sliding openings.

[0009] Preferably, a positioning ring is provided at the lower end of the fixing ring, a movable opening is provided inside the positioning ring near the center position, an annular groove is provided on the outer side of the positioning ring, and several groups of mounting openings are provided inside the positioning ring at positions corresponding to the annular grooves, positioning blocks are movably provided on the inner sides of several groups of mounting openings, arc grooves are provided on one side of several groups of positioning blocks, elastic bands are movably covered on the inner sides of several groups of arc grooves, and a screw plug is installed on one side of the sealing ring.

[0010] Preferably, the inflation valve is communicated with the interior of the energy storage capsule, the convex strips and the concave strips of the energy storage capsule correspond to each other after becoming enlarged, the convex strips and the reinforcing ribs are plastic, the guide grooves are inclined, the sealing ring is threadedly connected to the lower side of the accumulator housing, the seven groups of outlets are evenly arranged in a ring shape, and the fixing ring and the outlet disk are an integrated structure.

[0011] Preferably, the mushroom-shaped valve stem passes through the inside of the head disk and the fixing ring, the mushroom-shaped valve stem and the positioning ring are an integral structure, the mushroom-shaped valve head is adapted to the arc groove, and the reset spring is fixedly connected between the mushroom-shaped valve head and the bottom of the circular groove.

[0012] Preferably, the trigger rod passes through the interior of the mushroom-shaped valve head and the mushroom-shaped valve stem, the spherical block is adapted to the circular groove 2, the bottom of the reset spring 2 is fixedly connected to the bottom of the circular groove 2, and the limit plate is attached to the lower end of the mushroom-shaped valve stem.

[0013] Preferably, several groups of the push pieces are respectively inserted into the inner side of the buffer slide, the lower sides of several groups of the push pieces are arranged as arc-shaped surfaces, several groups of the buffer slide are connected to the inside of several corresponding groups of positioning ports, and the width of the positioning ports is greater than the width of the buffer slide.

[0014] Preferably, the positioning ring is fixedly connected to the lower end of the fixing ring by bolts, the positioning ring is sleeved on the lower side of the mushroom-shaped valve stem, the return spring is adapted to the mushroom-shaped valve stem, several groups of the installation ports are connected to the inside of the movable port, several groups of the installation ports are respectively inserted into the corresponding groups of positioning ports, and the elastic band is sleeved in the arc grooves on several groups of positioning blocks.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] When the energy storage capsule is inflated, it will expand and absorb excess energy. When the system pressure drops, the energy storage capsule will contract and release the stored energy, thereby smoothing the change in system pressure. The metal disk will push the mushroom-shaped valve head and mushroom-shaped valve stem of the sealing structure on the lower side to move downward, compressing the return spring 1. The mushroom-shaped valve head enters the arc groove and covers the seven groups of outlets to achieve sealing and reduce the impact force generated by high pressure. The setting of the seven groups of outlets can evenly discharge the hydraulic oil and reduce the impact force.

[0017] When the convex strips enter the inner side of the corresponding groove strips through the expansion of the energy storage capsule, the meshed convex strips and groove strips will produce a certain resistance, reducing the tensile impact at the connection between the energy storage capsule and the inflation valve during expansion. The guide grooves opened on the inner side of the metal plate arranged on the lower side of the energy storage capsule can reduce the impact force, so as to disperse the upward impact force of the bottom and protect the bottom of the energy storage capsule.

[0018] Before the energy storage capsule drives the metal disk to push the mushroom-shaped valve head, it will first contact the spherical block, so the spherical block will be pushed by the metal disk, squeezing the reset spring 2 while moving into the circular groove 2, and after the spherical block enters the circular groove 2, the trigger rod and several groups of push plates move downward while several groups of push plates respectively contact with several groups of positioning blocks in the positioning ports, thereby pushing it out of the interior of the mushroom-shaped valve stem, unlocking the restrictions on the mushroom-shaped valve stem and the mushroom-shaped valve head. At this time, the mushroom-shaped valve stem and the mushroom-shaped valve head can move downward naturally to achieve the purpose of sealing and closing, avoiding the downward movement force generated by the mushroom-shaped valve head when it is not in contact with the energy storage capsule, and the possible phenomenon of poor oil drainage.

[0019] When the spherical block is impacted, due to its symmetry, it can evenly disperse the impact force. Combined with the elastic support of the second reset spring and the buffer zone of the buffer slide, the spherical block and the trigger rod have good support, and the local displacement will not affect the oil discharge from the outlet.

[0020] After being pushed outward by several groups of push pieces, several groups of positioning blocks will slide toward the outside of the positioning ring in the corresponding installation openings. At the same time, several groups of positioning blocks will tighten the sleeved elastic bands to generate reverse thrust. When the energy storage capsule contracts, the reset spring 2 will lift the push piece out of the positioning opening. At this time, the corresponding positioning blocks will re-enter it and automatically limit themselves to the lower position of the mushroom-shaped valve stem to facilitate the next work. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall internal structure of an accumulator resistant to high-pressure impact according to the present invention;

[0022] Figure 2 It is a schematic diagram of the cross-section structure of an energy storage capsule of an accumulator resistant to high-pressure impact according to the present invention;

[0023] Figure 3 This is a schematic diagram of the lower sealing structure of an accumulator resistant to high pressure impact according to the present invention;

[0024] Figure 4 It is a schematic diagram of a partially cutaway structure of a seal of an accumulator resistant to high-pressure impact according to the present invention;

[0025] Figure 5 It is a schematic diagram of a partially expanded structure of an accumulator resistant to high-pressure impact according to the present invention;

[0026] Figure 6 It is a partial structural schematic diagram of an accumulator resistant to high-pressure impact according to the present invention;

[0027] Figure 7 The present invention is a schematic diagram of the expanded structure of the positioning components of an accumulator resistant to high-pressure impact.

[0028] In the figure: 1. accumulator housing; 2. charging valve; 3. energy storage capsule; 4. convex strip; 5. reinforcing rib; 6. metal plate; 7. guide groove; 8. groove strip; 9. sealing ring; 10. outlet plate; 11. arc groove; 12. outlet port; 13. fixing ring; 14. circular groove 1; 15. mushroom-shaped valve stem; 16. mushroom-shaped valve head; 17. reset spring 1; 18. circular groove 2; 19. trigger rod; 20. spherical block; 21. reset spring 2; 22. push plate; 23. limit plate; 24. buffer slide; 25. positioning port; 26. positioning ring; 27. movable port; 28. annular groove; 29. ​​installation port; 30. positioning block; 31. arc groove port; 32. elastic band; 33. screw plug. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be clearly and completely described below in combination with the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0030] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are relative relationships of directions or positions, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0031] See also Figure 1-Figure 7 An embodiment of the present invention is as follows: an accumulator resistant to high pressure impact comprises an accumulator housing 1, an upper end of the accumulator housing 1 is fixedly provided with an air charging valve 2 at a central position, an energy storage capsule 3 is fixedly provided at the lower end of the air charging valve 2 near the inner side of the accumulator housing 1, a convex strip 4 is fixedly provided on the outer side of the energy storage capsule 3 near the upper side, a reinforcing rib 5 is fixedly provided on the inner side of the convex strip 4, a metal plate 6 is fixedly provided inside the lower side of the energy storage capsule 3, four groups of guide grooves 7 are provided at the bottom of the metal plate 6, a groove strip 8 is provided on the inner wall of the accumulator housing 1 near the upper side, and a reinforcing rib 5 is fixedly provided on the inner side of the convex strip 4. A sealing ring 9 is fixedly arranged, and a discharge plate 10 is fixedly installed on the inner side of the sealing ring 9 near the upper side. An arc groove 11 is opened on the upper end of the discharge plate 10, and seven groups of discharge ports 12 are opened on the inner side of the discharge plate 10 near the outer side. A fixing ring 13 is fixedly arranged on the lower end of the discharge plate 10, and a circular groove 14 is opened on the inner sides of the discharge plate 10 and the fixing ring 13. A mushroom-shaped valve stem 15 is movably arranged on the inner sides of the fixing ring 13 and the circular groove 14. A mushroom-shaped valve head 16 is fixedly arranged on the upper end of the mushroom-shaped valve stem 15, and a return spring 17 is sleeved on the outer side of the mushroom-shaped valve stem 15 near the inner side of the circular groove 14.

[0032] The inflation valve 2 is communicated with the interior of the energy storage capsule 3. After the energy storage capsule 3 becomes larger, the convex strip 4 corresponds to the groove strip 8. The convex strip 4 and the reinforcing rib 5 have plasticity. The guide groove 7 is inclined. The sealing ring 9 is threadedly connected to the lower side of the accumulator housing 1. The seven groups of outlets 12 are evenly arranged in a ring shape. The fixing ring 13 and the outlet disk 10 are an integral structure. The mushroom-shaped valve stem 15 runs through the interior of the outlet disk 10 and the fixing ring 13. The mushroom-shaped valve stem 15 and the positioning ring 26 are an integral structure. The mushroom-shaped valve head 16 is adapted to the arc groove 11. The reset spring 17 is located between the mushroom-shaped valve head 16 and the bottom of the circular groove 14 and is fixedly connected.

[0033] When the energy storage capsule 3 is inflated, the energy storage capsule 3 will expand, thereby absorbing excess energy. When the system pressure drops, the energy storage capsule 3 will shrink, releasing the stored energy, thereby smoothing the change in system pressure. The metal disk 6 will push the mushroom-shaped valve head 16 and the mushroom-shaped valve stem 15 of the sealing structure on the lower side to move downward, compressing the reset spring 17, and the mushroom-shaped valve head 16 enters the arc groove 11 and covers the seven groups of outlet ports 12 to achieve sealing work, while reducing the impact force generated by high pressure. The setting of the seven groups of outlet ports 12 can evenly discharge hydraulic oil and reduce impact force. When the convex strip 4 enters the inner side of the groove strip 8 corresponding to the expansion of the energy storage capsule 3, the meshed convex strip 4 and the groove strip 8 will produce a certain resistance, reducing the tensile impact at the connection between the energy storage capsule 3 and the inflation valve 2 during expansion, and the guide groove 7 opened on the inner side of the metal disk 6 set on the lower side of the energy storage capsule 3 can reduce the impact force, so as to disperse the upward impact force of the bottom and protect the bottom of the energy storage capsule 3.

[0034] A circular groove 18 is provided at the center of the mushroom-shaped valve stem 15 and at the upper side of the mushroom-shaped valve head 16, a trigger rod 19 is movably provided on the inner side of the mushroom-shaped valve stem 15 and the circular groove 18, a spherical block 20 is fixedly provided on the upper end of the trigger rod 19 near the upper side of the mushroom-shaped valve head 16, a reset spring 21 is sleeved on the outer side of the trigger rod 19 near the inner side of the circular groove 18, a plurality of groups of push pieces 22 are fixedly provided on the lower side of the trigger rod 19, a limiting piece 23 is fixedly provided on the bottom thread of the trigger rod 19, buffer sliding openings 24 are provided at the positions corresponding to the plurality of groups of push pieces 22 on the lower side of the mushroom-shaped valve stem 15, and positioning openings 25 are provided on the lower side of the plurality of groups of buffer sliding openings 24 on the lower side of the mushroom-shaped valve stem 15.

[0035] The trigger rod 19 passes through the interior of the mushroom-shaped valve head 16 and the mushroom-shaped valve stem 15, the spherical block 20 is adapted to the circular groove 18, the bottom of the reset spring 21 is fixedly connected to the bottom of the circular groove 18, the limit plate 23 is fitted on the lower end of the mushroom-shaped valve stem 15, and several groups of push plates 22 are respectively inserted into the inner side of the buffer slide 24, and the lower sides of several groups of push plates 22 are arranged as arc surfaces. Several groups of buffer slides 24 are connected to the interior of corresponding groups of positioning ports 25, and the width of the positioning port 25 is greater than the width of the buffer slide 24.

[0036] Before the energy storage capsule 3 drives the metal disk 6 to push the mushroom-shaped valve head 16, it will first contact the spherical block 20, so the spherical block 20 will be pushed by the metal disk 6, squeezing the return spring 21 while moving into the circular groove 18. After the spherical block 20 enters the circular groove 18, the trigger rod 19 and the plurality of push pieces 22 move downward, and the plurality of push pieces 22 respectively contact the positioning blocks 30 in the plurality of positioning ports 25, thereby pushing it out of the mushroom-shaped valve stem 15, unlocking the restrictions on the mushroom-shaped valve stem 15 and the mushroom-shaped valve head 16. When the fungus-shaped valve stem 15 and the fungus-shaped valve head 16 move downward naturally, the purpose of sealing and closing is achieved, and the fungus-shaped valve head 16 is prevented from generating a downward moving force when it is not in contact with the energy storage capsule 3, and the possible phenomenon of poor oil drainage is avoided. When the spherical block 20 is impacted, due to its symmetry, it can evenly disperse the impact force, and with the elastic support of the reset spring 21 and the buffer zone of the buffer slide 24, the spherical block 20 and the trigger rod 19 have good support, and the local displacement will not affect the oil drainage of the outlet 12.

[0037] A positioning ring 26 is provided at the lower end of the fixing ring 13, a movable opening 27 is provided inside the positioning ring 26 near the center position, an annular groove 28 is provided on the outside of the positioning ring 26, and a plurality of groups of mounting openings 29 are provided inside the positioning ring 26 at positions corresponding to the annular groove 28, positioning blocks 30 are movably provided on the inner sides of the plurality of groups of mounting openings 29, arc grooves 31 are provided on one side of the plurality of groups of positioning blocks 30, elastic bands 32 are movably sleeved on the inner sides of the plurality of groups of arc grooves 31, and a screw plug 33 is installed on one side of the sealing ring 9.

[0038] The positioning ring 26 is fixedly connected to the lower end of the fixing ring 13 by bolts, and the positioning ring 26 is sleeved on the lower side of the mushroom-shaped valve stem 15. The return spring 17 is adapted to the mushroom-shaped valve stem 15. Several groups of mounting ports 29 are communicated with the inside of the movable port 27. Several groups of mounting ports 29 are respectively inserted into the corresponding groups of positioning ports 25. The elastic band 32 is sleeved in the arc groove 31 on the several groups of positioning blocks 30.

[0039] After being pushed outward by the push pieces 22, the positioning blocks 30 will slide in the corresponding mounting openings 29 toward the outside of the positioning rings 26. At the same time, the positioning blocks 30 will tighten the sleeved elastic bands 32 to generate reverse thrust. When the energy storage capsule 3 contracts, the return spring 21 will lift the push piece 22 out of the positioning opening 25. At this time, the corresponding positioning blocks 30 will re-enter the opening and automatically limit themselves to the lower side of the mushroom-shaped valve stem 15, facilitating the next operation.

[0040] Working principle: when the energy storage capsule 3 is inflated, the energy storage capsule 3 will expand, thereby absorbing excess energy. When the system pressure drops, the energy storage capsule 3 will contract, releasing the stored energy, thereby smoothing the change in system pressure. The metal disk 6 will push the mushroom-shaped valve head 16 and mushroom-shaped valve stem 15 of the sealing structure on the lower side to move downward, compressing the reset spring 17. The mushroom-shaped valve head 16 enters the arc groove 11 and covers the seven groups of outlet ports 12 to achieve sealing work and reduce the impact force generated by high pressure. The setting of the seven groups of outlet ports 12 can evenly discharge the hydraulic oil and reduce the impact force. When the convex strip 4 expands through the energy storage capsule 3, it enters the inner side of the groove strip 8 accordingly. After that, the meshed convex strips 4 and concave grooves 8 will produce a certain resistance, reducing the tensile impact at the connection between the energy storage capsule 3 and the inflation valve 2 during expansion, and the guide grooves 7 opened on the inner side of the metal plate 6 arranged on the lower side of the energy storage capsule 3 can reduce the impact force, so as to disperse the upward impact force of the bottom, and protect the bottom of the energy storage capsule 3; in addition, before the energy storage capsule 3 drives the metal plate 6 to push the mushroom-shaped valve head 16, it will first contact the spherical block 20, so the spherical block 20 will be pushed by the metal plate 6, squeezing the reset spring 21 while moving into the circular groove 21, and after the spherical block 20 enters the circular groove 18, the trigger rod 19 and the plurality of push pieces 2 While moving downward, the plurality of push pieces 22 are respectively in contact with the positioning blocks 30 in the plurality of positioning openings 25, thereby pushing them out of the interior of the fungus-shaped valve stem 15, unlocking the restrictions on the fungus-shaped valve stem 15 and the fungus-shaped valve head 16. At this time, the fungus-shaped valve stem 15 and the fungus-shaped valve head 16 can move downward naturally to achieve the purpose of sealing and closing, thereby avoiding the fungus-shaped valve head 16 from generating downward moving force when it is not in contact with the energy storage capsule 3, and the possible phenomenon of poor oil discharge. When the spherical block 20 is impacted, due to its symmetry, it can evenly disperse the impact force, cooperate with the elastic support of the return spring 21, and the buffer zone of the buffer slide 24, so that The spherical block 20 and the trigger rod 19 have good supporting properties, and the local displacement generated will not affect the oil discharge from the outlet 12; finally, after the several groups of positioning blocks 30 are pushed outward by the several groups of push plates 22, the several groups of positioning blocks 30 will slide toward the outside of the positioning ring 26 in the corresponding installation opening 29. At the same time, the several groups of positioning blocks 30 will tighten the sleeved elastic band 32 to generate reverse thrust. When the energy storage capsule 3 contracts, the return spring 21 will lift the push plate 22 out of the positioning opening 25. At this time, the corresponding positioning block 30 will re-enter it and automatically limit itself to the lower side of the mushroom-shaped valve stem 15, which is convenient for the next work.

[0041] The accumulator housing 1, the charging valve 2, the energy storage capsule 3, the sealing ring 9, the outlet disk 10, the mushroom-shaped valve stem 15, the mushroom-shaped valve head 16, and the screw plug 33 in the present invention are common knowledge in the field, and their working principles are already well-known technologies. The appropriate model can be selected according to actual use, so they will not be explained in detail.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An accumulator resistant to high pressure shock, comprising an accumulator housing (1), characterized in that: An air charging valve (2) is fixedly mounted at the center of the upper end of the accumulator housing (1); an energy storage capsule (3) is fixedly arranged at the lower end of the air charging valve (2) near the inner side of the accumulator housing (1); a convex strip (4) is fixedly arranged on the outer side of the energy storage capsule (3) near the upper side; a reinforcing rib (5) is fixedly arranged on the inner side of the convex strip (4); a metal plate (6) is fixedly arranged inside the lower side of the energy storage capsule (3); four groups of guide grooves (7) are provided at the bottom of the metal plate (6); a groove strip (8) is provided on the inner wall of the accumulator housing (1) near the upper side; a sealing collar (9) is fixedly arranged on the lower side of the accumulator housing (1); the sealing collar (9) ) is fixedly installed on the inner side near the upper side, the upper end of the outlet disc (10) is provided with an arc groove (11), the inner side of the outlet disc (10) is provided with seven groups of outlet ports (12) near the outer side, the lower end of the outlet disc (10) is fixedly provided with a fixing ring (13), the inner sides of the outlet disc (10) and the fixing ring (13) are provided with a circular groove 1 (14), the inner sides of the fixing ring (13) and the circular groove 1 (14) are provided with a fungus-shaped valve stem (15) movably provided, the upper end of the fungus-shaped valve stem (15) is fixedly provided with a fungus-shaped valve head (16), and the outer side of the fungus-shaped valve stem (15) is sleeved with a return spring 1 (17) near the inner side of the circular groove 1 (14).

2. The high-pressure impact resistant accumulator according to claim 1, characterized in that: A second circular groove (18) is provided at the center of the mushroom-shaped valve stem (15) and at the upper side of the mushroom-shaped valve head (16); a trigger rod (19) is movably provided inside the mushroom-shaped valve stem (15) and the second circular groove (18); a round ball block (20) is fixedly provided at the upper end of the trigger rod (19) near the upper side of the mushroom-shaped valve head (16); a second return spring (21) is sleeved on the outer side of the trigger rod (19) near the inner side of the second circular groove (18); a plurality of groups of push plates (22) are fixedly provided on the lower side of the trigger rod (19); a limit plate (23) is fixedly provided on the bottom of the trigger rod (19) through a thread; buffer sliding openings (24) are provided inside the lower side of the mushroom-shaped valve stem (15) at positions corresponding to the plurality of groups of push plates (22); and positioning openings (25) are provided on the lower side of the mushroom-shaped valve stem (15) corresponding to the plurality of groups of buffer sliding openings (24).

3. The high-pressure impact resistant accumulator according to claim 2, characterized in that: A positioning ring (26) is provided at the lower end of the fixing ring (13), a movable opening (27) is provided inside the positioning ring (26) near the center, an annular groove (28) is provided on the outside of the positioning ring (26), a plurality of groups of mounting openings (29) are provided inside the positioning ring (26) at positions corresponding to the annular groove (28), a plurality of groups of positioning blocks (30) are movably provided inside the mounting openings (29), an arc notch (31) is provided on one side of the positioning blocks (30), an elastic band (32) is movably sleeved inside the plurality of groups of arc notches (31), and a screw plug (33) is installed on one side of the sealing ring (9).

4. The high-pressure impact resistant accumulator according to claim 1, characterized in that: The inflation valve (2) is communicated with the interior of the energy storage capsule (3); the convex strip (4) of the energy storage capsule (3) corresponds to the concave strip (8) after the energy storage capsule (3) becomes larger; the convex strip (4) and the reinforcing rib (5) are plastic; the guide groove (7) is inclined; the sealing collar (9) is threadedly connected to the lower side of the accumulator housing (1); the seven groups of outlet ports (12) are evenly arranged in a ring shape; and the fixing ring (13) and the outlet disk (10) are an integral structure.

5. The high-pressure impact resistant accumulator according to claim 1, characterized in that: The mushroom-shaped valve stem (15) passes through the interior of the head plate (10) and the fixing ring (13); the mushroom-shaped valve stem (15) and the positioning ring (26) are an integral structure; the mushroom-shaped valve head (16) is adapted to the arc groove (11); and the return spring 1 (17) is fixedly connected between the mushroom-shaped valve head (16) and the bottom of the circular groove 1 (14).

6. The high-pressure impact resistant accumulator according to claim 2, characterized in that: The trigger rod (19) passes through the inside of the mushroom-shaped valve head (16) and the mushroom-shaped valve stem (15); the spherical block (20) is adapted to the second circular groove (18); the bottom of the second return spring (21) is fixedly connected to the bottom of the second circular groove (18); and the limit plate (23) is attached to the lower end of the mushroom-shaped valve stem (15).

7. The high-pressure impact resistant accumulator according to claim 2, characterized in that: The plurality of groups of push pieces (22) are respectively inserted into the inner side of the buffer slide (24); the lower sides of the plurality of groups of push pieces (22) are arranged as arc-shaped surfaces; the plurality of groups of buffer slides (24) are connected to the interior of the corresponding plurality of groups of positioning openings (25); and the width of the positioning openings (25) is greater than the width of the buffer slide (24).

8. The high-pressure impact resistant accumulator according to claim 3, characterized in that: The positioning ring (26) is fixedly connected to the lower end of the fixing ring (13) by bolts, and the positioning ring (26) is sleeved on the lower side of the mushroom-shaped valve stem (15). The return spring (17) is adapted to the mushroom-shaped valve stem (15). Several groups of the installation openings (29) are communicated with the inside of the movable opening (27). Several groups of the installation openings (29) are respectively inserted into the corresponding groups of positioning openings (25). The elastic band (32) is sleeved in the arc groove openings (31) on the several groups of positioning blocks (30).

Citation Information

Patent Citations

  • Anti-impact energy accumulator

    CN112324722A

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    CN116624443A