Sealing ring for ultrahigh pressure hydraulic cylinder

Abstract

The utility model relates to the technical field of sealing rings, in particular to a sealing ring for an ultrahigh pressure hydraulic cylinder, which comprises a first circular ring, a second circular ring and a sealing ring, the inner wall of the sealing ring is fixedly connected with two connecting plates, and the opposite surfaces of the two connecting plates are provided with perforated limiting plates; the surface of the limiting ring is fixedly connected with a wedging block, one side of the wedging block is slidably provided with a pull rod, the surface of the pull rod is fixedly connected with two limiting blocks, the surface of the pull rod is sleeved with a spring, and the surface of the pull rod is fixedly connected with a sliding plate; through the arrangement of the pull rod, the spring, the limiting block and the perforated limiting plate, the replacement efficiency of the sealing ring is improved, and the problems that when an existing sealing ring is replaced, bolts with small sizes need to be screwed and unscrewed one by one with the help of an external tool, and the replacement efficiency is low are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sealing ring technical field, especially a sealing ring for superhigh pressure hydraulic cylinder. BACKGROUND

[0002] In order to prevent the leakage of working medium and prevent foreign matter from entering the mechanism of hydraulic element and hydraulic system, sealing ring is used for sealing.

[0003] In the prior art, such as the Chinese patent with the announcement number CN216478925U, a silica gel sealing ring for hydraulic cylinder is disclosed, which is composed of a fixed ring group, a sealing ring and a limiting ring; the sealing ring is sleeved between the fixed ring group, and the limiting ring is arranged on the inner side of the fixed ring group; the sealing ring is arranged between the fixed ring group and the limiting ring; the sealing ring is composed of a fixed frame, a first rubber ring, a second rubber ring and a connecting plate; the first rubber ring is fixedly connected to the inner side of the fixed frame, and the second rubber ring is fixedly connected to the outer side of the fixed frame; by independently designing the fixed ring group and the limiting ring, when the sealing ring is installed between the first metal ring and the second metal ring, the limiting ring is used to limit the sealing ring, so as to realize the clamping of the sealing ring between the fixed rings, realize the quick installation of the sealing ring, and facilitate the replacement of the sealing ring, and the first rubber ring is used to ensure the sealing between the limiting ring and the fixed ring group.

[0004] In the above technical solution, the fixed ring group, the sealing ring and the limiting ring are fixed by bolts, so as to realize the quick replacement of the sealing ring, however, since the volume of the sealing ring is generally small, when replacing, external tools are needed to unscrew the small bolts one by one, and the replacement efficiency is low.

[0005] Therefore, a sealing ring for superhigh pressure hydraulic cylinder is proposed. UTILITY MODEL CONTENTS

[0006] In order to solve the above technical problems, the utility model provides a sealing ring for superhigh pressure hydraulic cylinder.

[0007] The technical solution for achieving the purpose of the utility model is as follows: a sealing ring for superhigh pressure hydraulic cylinder, which comprises a circular ring one and a circular ring two, and further comprises;

[0008] A sealing ring is fixedly connected with two connecting plates on the inner wall, and the opposite surfaces of the two connecting plates are provided with opening limiting plates;

[0009] A limiting ring is fixedly connected with engaging blocks on the surface, one side of the engaging block is slidably provided with a pull rod, the surface of the pull rod is fixedly connected with two limiting blocks, the surface of the pull rod is sleeved with a spring, and the surface of the pull rod is fixedly connected with a sliding plate.

[0010] In some embodiments, the opposite faces of the two connecting plates are provided with a round hole one, and the inner wall of the round hole one is fixedly connected with the surface of the opening limiting plate.

[0011] In some embodiments, the opposite faces of the two connecting plates are provided with a round hole one, and the inner wall of the round hole one is fixedly connected with the surface of the opening limiting plate.

[0012] In some embodiments, the opposite faces of the two connecting plates are provided with a round hole one, and the inner wall of the round hole one is fixedly connected with the surface of the opening limiting plate.

[0013] Compared with the prior art, the utility model has the following remarkable advantages:

[0014] The utility model discloses a kind of sealing rings, including fixed assembly, opening limiting plate, connecting plate, sliding plate, spring, pull rod, opening limiting block and sealing ring, the fixed assembly is provided with opening limiting plate, and the opening limiting plate is provided with connecting plate, sliding plate, spring, pull rod, opening limiting block and sealing ring, the opposite faces of the two connecting plates are provided with a round hole one, and the inner wall of the round hole one is fixedly connected with the surface of the opening limiting plate.

[0015] The utility model discloses a kind of sealing rings, including fixed assembly, opening limiting plate, connecting plate, sliding plate, spring, pull rod, opening limiting block and sealing ring, the fixed assembly is provided with opening limiting plate, and the opening limiting plate is provided with connecting plate, sliding plate, spring, pull rod, opening limiting block and sealing ring, the opposite faces of the two connecting plates are provided with a round hole one, and the inner wall of the round hole one is fixedly connected with the surface of the opening limiting plate. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further explained in connection with the drawings and embodiment:

[0017] Figure 1 It is the three-dimensional structure schematic diagram provided in an embodiment of the utility model;

[0018] Figure 2 It is the fixed assembly cut structure schematic diagram provided in an embodiment of the utility model;

[0019] Figure 3 It is the fixed assembly cut structure schematic diagram provided in an embodiment of the utility model; Figure 2 Enlarged structure schematic diagram in A place in the middle;

[0020] Figure 4 It is the connecting plate structure schematic diagram provided in an embodiment of the utility model.

[0021] REFERENCE SIGNS:

[0022] 1, the ring one; 2, the ring two; 3, sealing ring; 4, clamping groove; 5, connecting plate; 6, limit ring; 7, fitting block; 8, round hole one; 9, round hole two; 10, fixed plate; 11, sliding plate; 12, pull rod; 13, spring; 14, limit block; 15, opening limiting plate. DETAILED DESCRIPTION

[0023] The utility model is described in detail below, and the technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all. Based on the embodiment of the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] The utility model discloses a kind of sealing rings for superhigh pressure hydraulic cylinder by improvement, and the technical scheme of the utility model is:

[0025] As shown in Figures 1-4 A kind of sealing rings for superhigh pressure hydraulic cylinder, including ring one 1 and ring two 2, still include;

[0026] Sealing ring 3, the inner wall of sealing ring 3 is fixedly connected with two connecting plates 5, the opposite surface of two connecting plates 5 is provided with opening limiting plate 15, the opening on opening limiting plate 15 can be adapted pull rod 12 and the limit block 14 set on pull rod 12, so that limiting function can be realized;

[0027] Limit ring 6, the surface of limit ring 6 is fixedly connected with fitting block 7, one side of fitting block 7 is slidably provided with pull rod 12, pull rod 12 is provided with round ring, to pull pull rod 12, the surface of pull rod 12 is fixedly connected with two limit blocks 14, the surface of pull rod 12 is sleeved with spring 13, reset can be realized by the spring 13 set pull rod 12, the surface of pull rod 12 is fixedly connected with sliding plate 11.

[0028] As shown in Figure 3 And Figure 4 In an embodiment, the opposite surface of two connecting plates 5 is provided with round hole one 8, and the inner wall of round hole one 8 is fixedly connected with the surface of opening limiting plate 15.

[0029] One side of the fitting block 7 is provided with a circular hole two 9, the inner wall of the circular hole two 9 is fixedly connected with the fixed plate 10, the fixed plate 10 can provide a fixed component when the pull rod 12 is pulled, one side of the fixed plate 10 is fixedly connected with the sliding hole, the inner wall of the sliding hole is slidably connected with the surface of the pull rod 12, the two ends of the spring 13 are rotatably connected with the opposite surfaces of the sliding plate 11 and the fixed plate 10, through the rotatable connection of the two ends of the spring 13 with the opposite surfaces of the sliding plate 11 and the fixed plate 10, when installing or replacing, the rotation of the pull rod 12 will not be affected by the torsion of the spring 13.

[0030] As shown in Figure 1 and Figure 2 In an embodiment, the opposite surfaces of the circular ring one 1 and the circular ring two 2 are provided with clamping grooves 4, the inner walls of the clamping grooves 4 are slidably connected with the surfaces of the connecting plate 5 and the fitting block 7, and the clamping grooves 4 can clamp the circular ring one 1 and the circular ring two 2.

[0031] The specific working method is: when in use, the separation design of the circular ring one 1 and the circular ring two 2 is used to facilitate the operator to place the sealing ring 3 between the circular ring one 1 and the circular ring two 2, the connecting plate 5 is fitted and connected in the clamping groove 4, so that the positioning of the sealing ring 3 is realized.

[0032] After the sealing ring 3 is positioned, the pull rod 12 is manually pushed, the limiting block 14 on the pull rod 12 passes through the opening limiting plate 15 to the inside of the circular hole two 9, the pull rod 12 is rotated, the limiting block 14 is rotated by ninety degrees, and the opening on the opening limiting plate 15 is formed to realize the limiting, the pull rod 12 is loosened, the limiting block 14 is driven by the restoring force of the spring 13 and is tightly pressed on one side of the opening limiting plate 15, the stability is improved, when replacing, the pull rod 12 is pushed and rotated by ninety degrees, the limiting block 14 is in parallel with the opening on the opening limiting plate 15, the pull rod 12 is pulled out of the opening limiting plate 15, at this time, the disassembly is completed, and the replacement of the sealing ring 3 can be realized.

[0033] The technical means disclosed by the utility model scheme is not limited to the technical means disclosed by the above technical means, and also includes the technical scheme composed by the above technical features. The matters not covered by the utility model belong to the common knowledge of those skilled in the art.

Claims

1. A seal ring for an ultra-high pressure hydraulic cylinder comprising a first ring (1) and a second ring (2), characterized in that: Also include; The inner wall of the sealing ring (3) is fixedly connected with two connecting plates (5), and the opposite surfaces of the two connecting plates (5) are provided with opening limiting plates (15); The surface of the limiting ring (6) is fixedly connected with the engaging block (7), one side of the engaging block (7) is slidably provided with the pull rod (12), the surface of the pull rod (12) is fixedly connected with two limiting blocks (14), the surface of the pull rod (12) is sleeved with the spring (13), and the surface of the pull rod (12) is fixedly connected with the sliding plate (11).

2. The seal ring for an ultra-high pressure hydraulic cylinder according to claim 1, characterized in that: The opposite surfaces of the two connecting plates (5) are provided with round holes (8), and the inner wall of the round hole (8) is fixedly connected with the surface of the opening limiting plate (15).

3. The seal ring for an ultra-high pressure hydraulic cylinder according to claim 1, wherein: One side of the engaging block (7) is provided with a round hole (9), the inner wall of the round hole (9) is fixedly connected with a fixed plate (10), one side of the fixed plate (10) is fixedly connected with a sliding hole, the inner wall of the sliding hole is slidably connected with the surface of the pull rod (12), and the two ends of the spring (13) are rotatably connected with the opposite surfaces of the sliding plate (11) and the fixed plate (10).

4. The seal ring for an ultra-high pressure hydraulic cylinder of claim 1, wherein: The opposite surfaces of the round ring (1) and the round ring (2) are provided with clamping grooves (4), and the inner wall of the clamping groove (4) is slidably connected with the surface of the connecting plate (5) and the engaging block (7).

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