CN216554718U - Hydraulic support oil cylinder with sealing structure - Google Patents
Hydraulic support oil cylinder with sealing structure Download PDFInfo
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- CN216554718U CN216554718U CN202123402988.9U CN202123402988U CN216554718U CN 216554718 U CN216554718 U CN 216554718U CN 202123402988 U CN202123402988 U CN 202123402988U CN 216554718 U CN216554718 U CN 216554718U
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Abstract
The utility model is suitable for the technical field of hydraulic support oil cylinders, and provides a hydraulic support oil cylinder with a sealing structure, which comprises: the outer end face of the hydraulic support oil cylinder body is fixedly provided with a reinforcing rib, and the upper end face of the hydraulic support oil cylinder body is provided with an installation plate; the mounting block is fixedly mounted on the lower end face of the mounting plate, a positioning groove is formed in the outer side of the mounting block, and a piston rod is mounted in the hydraulic support oil cylinder body; the dustproof groove is formed in the middle of the inner side of the mounting plate, the dustproof ring is mounted in the mounting plate through the dustproof groove, the first sealing piece is mounted at the upper end of the inner side of the mounting block, and the second sealing piece is arranged at the outer side end of the mounting block. This hydraulic support hydro-cylinder with seal structure wholly has better seal structure, and possesses better dismantlement structure to be convenient for dismantle and change seal assembly, have better dustproof construction simultaneously.
Description
Technical Field
The utility model belongs to the technical field of hydraulic support oil cylinders, and particularly relates to a hydraulic support oil cylinder with a sealing structure.
Background
The hydraulic support oil cylinder is one of hydraulic cylinders, mainly converts hydraulic energy into mechanical energy and is a hydraulic actuating element which makes linear reciprocating motion, and a hydraulic system in the mechanical industry is widely applied at present, but most of the hydraulic support oil cylinders in the market still have some defects, such as the defects.
The utility model discloses an authorized bulletin number is CN208702806U, discloses a seal structure for hydraulic support hydro-cylinder, including the cylinder, the one end of cylinder is enclosed construction, and the other end of cylinder is open structure, the welding of cylinder open end periphery has protruding edge, the inside movable mounting of cylinder has the piston, fixed mounting has the piston rod on the side that the cylinder blind end was kept away from to the piston, the piston rod is kept away from the one end of piston and is run through the outside that the end cover extended to the cylinder, the inside of end cover is inlayed and is had the outside axle sleeve of suit at the piston rod, axle sleeve and piston rod sliding connection, the end cover is close to the integrative boss that has the through-hole in the middle part that is equipped with on the side of piston. This seal structure stability is good, and long service life can prevent effectively that the inside hydraulic oil of cylinder from spilling the outside of cylinder, can guarantee that the inside hydraulic oil of cylinder can not spill through between end cover and the protruding edge, can reduce the maintenance frequency, practices thrift use cost.
The above prior art scheme still has some defects, for example, it does not have a better disassembling structure, so that it is inconvenient to disassemble and replace the sealing assembly, and at the same time, it does not have a better dustproof structure, so that dust can easily enter the interior, therefore, the utility model provides a hydraulic support cylinder with a sealing structure, so as to solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a hydraulic support oil cylinder with a sealing structure, and aims to solve the problems that a sealing assembly is inconvenient to disassemble and replace due to the fact that a better disassembling structure is not provided, and dust easily enters the hydraulic support oil cylinder due to the fact that a better dustproof structure is not provided.
In order to achieve the purpose, the utility model provides the following technical scheme: a hydraulic support cylinder with a sealing structure comprises:
the outer end face of the hydraulic support oil cylinder body is fixedly provided with a reinforcing rib, the upper end face of the hydraulic support oil cylinder body is provided with a mounting plate, and a bolt for fixing is mounted inside the outer side of the mounting plate;
the mounting block is fixedly mounted on the lower end face of the mounting plate, a positioning groove is formed in the outer side of the mounting block, the inner side end of the positioning groove is connected with a positioning strip located at the inner wall end of the hydraulic support oil cylinder body, and a piston rod is mounted in the hydraulic support oil cylinder body;
the dustproof groove is arranged in the middle of the inner side of the mounting plate, the dustproof ring is installed in the mounting plate through the dustproof groove, the first sealing piece is installed at the upper end of the inner side of the mounting block, the second sealing piece is arranged at the outer side end of the mounting block, and the mounting assembly is installed at the lower end of the inner side of the mounting block.
Preferably, the mounting plate and the mounting block form a detachable structure with the hydraulic support oil cylinder body through bolts, and the mounting plate and the mounting block are all penetrated through to form a hole structure.
Preferably, the positioning strips are connected with the mounting blocks in an inserting mode through the positioning grooves, and the positioning strips are distributed on the central shaft of the hydraulic support oil cylinder body in an equiangular and circumferential mode.
Preferably, dust ring, first sealing member and installation component are parallel arrangement from top to bottom in proper order, and it all contacts each other with the outside end of piston rod.
Preferably, the mounting assembly comprises a mounting groove, a spring and a third sealing element;
the mounting groove is formed in the lower end of the inner side of the mounting block;
the spring is arranged at the inner side end of the mounting block through the mounting groove;
and the third sealing element is arranged at the outer side end, close to the piston rod, of the spring single body.
Preferably, the third sealing element and the mounting block form a telescopic structure through a spring, and the outer side end of the third sealing element is arranged in an outward inclined mode.
Compared with the prior art, the utility model has the beneficial effects that: this hydraulic support hydro-cylinder with seal structure wholly has better seal structure, and possesses better dismantlement structure to be convenient for dismantle and change seal assembly, have better dustproof construction simultaneously.
1. The spring is arranged at the inner side end of the mounting block under the action of the mounting groove, the inner side end of the semicircular third sealing element is contacted with the piston rod, and meanwhile, the first sealing element is arranged above the third sealing element, so that the whole body has a better sealing structure;
2. the mounting plate and the mounting block form a detachable structure with the hydraulic support oil cylinder body under the action of the bolt, and the positioning strip has a good positioning effect on the mounting block through the positioning groove, so that the mounting plate and the mounting block can be conveniently detached through the bolt, and the sealing assembly can be conveniently detached and replaced;
3. the outer end face of the piston rod is respectively connected with the dustproof ring, the first sealing piece and the mounting assembly, the dustproof ring mounted in the mounting plate through the dustproof groove has a good dustproof effect on the piston rod, and dust can be effectively prevented from entering the hydraulic support oil cylinder body through the piston rod.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic top view of the cross-sectional structure of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 4 is a schematic view of the connection structure of the mounting plate and the mounting block of the present invention.
In the figure: 1-hydraulic support oil cylinder body, 2-reinforcing rib, 3-mounting plate, 4-bolt, 5-mounting block, 6-positioning groove, 7-positioning strip, 8-piston rod, 9-dust ring, 10-first sealing element, 11-second sealing element, 12-mounting component, 1201-mounting groove, 1202-spring, 1203-third sealing element and 13-dust-proof groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1-4, the present invention provides a technical solution: a hydraulic support oil cylinder with a sealing structure comprises a hydraulic support oil cylinder body 1, wherein a reinforcing rib 2 is fixedly arranged on the outer end face of the hydraulic support oil cylinder body 1, a mounting plate 3 is arranged on the upper end face of the hydraulic support oil cylinder body 1, a bolt 4 for fixing is arranged inside the outer side of the mounting plate 3, a mounting block 5 is fixedly arranged on the lower end face of the mounting plate 3, a positioning groove 6 is arranged inside the outer side of the mounting block 5, the inner side end of the positioning groove 6 is connected with a positioning strip 7 positioned at the inner wall end of the hydraulic support oil cylinder body 1, a piston rod 8 is arranged inside the hydraulic support oil cylinder body 1, a dust-proof groove 13 is arranged in the middle of the inner side of the mounting plate 3, a dust-proof ring 9 is arranged inside the mounting plate 3 through the dust-proof groove 13, a first sealing element 10 is arranged at the upper end of the inner side of the mounting block 5, a second sealing element 11 is arranged at the outer side end of the mounting block 5, and a mounting assembly 12 is arranged at the lower end of the inner side of the mounting block 5, the hydraulic support oil cylinder with a sealing structure is formed by combination.
When the hydraulic support cylinder with the sealing structure is used, as shown in fig. 1 and fig. 3 in particular, firstly, the whole hydraulic support cylinder body 1 and the piston rod 8 are arranged at a designated position, because the dust-proof ring 9, the first sealing element 10 and the mounting component 12 are arranged in an up-down parallel manner in sequence and are all contacted with the outer side end of the piston rod 8, when the piston rod 8 works normally, the outer end surface of the piston rod 8 is respectively connected with the dust-proof ring 9, the first sealing element 10 and the mounting component 12, at this time, the dust-proof ring 9 arranged in the mounting plate 3 through the dust-proof groove 13 has a good dust-proof effect on the piston rod 8, and dust is prevented from entering the hydraulic support cylinder body 1 through the piston rod 8;
since the spring 1202 is mounted to the inner end of the mounting block 5 through the mounting groove 1201, and the third seal 1203 is mounted to the outer end of the spring 1202 alone near the piston rod 8, meanwhile, the third sealing member 1203 forms a telescopic structure with the mounting block 5 through the spring 1202, and the outer end of the third sealing member 1203 is arranged in an outward inclined manner, when the piston rod 8 and the third sealing member 1203 contact with each other, the third sealing member 1203 of a semicircular arc shape moves outward by the piston rod 8, and at this time, the spring 1202 is compressed and deformed, thereby exerting an inward force on the third seal 1203, thereby enhancing the supporting effect on the third seal 1203, and then the sealing effect of the third sealing element 1203 on the piston rod 8 is improved, meanwhile, the sealing effect of the piston rod 8 in working is further enhanced by the first sealing element 10, and the sealing performance of the hydraulic support oil cylinder body 1 connected with the mounting plate 3 is enhanced by the second sealing element 11 in mounting.
As shown in fig. 1, 2 and 4, the mounting plate 3 and the mounting block 5 form a detachable structure with the hydraulic support cylinder body 1 through the bolt 4, and the mounting plate 3 and the mounting block 5 are both provided with a hole structure through the inside, after the whole body is used for a period of time, the bolt 4 can be rotated to separate the bolt 4 from the mounting plate 3, and at the moment, the mounting plate 3 is pulled upwards to draw the mounting plate 3 and the mounting block 5 out of the hydraulic support cylinder body 1;
because the location strip 7 is connected with the installation piece 5 through the mode of grafting of constant head tank 6, and the location strip 7 is distributed about the equal angle circumference of the center pin of hydraulic support hydro-cylinder body 1, when installation piece 5 during under the effect of external force rebound, installation piece 5 takes place relative movement through constant head tank 6 and location strip 7, make installation piece 5 and location strip 7 mutual distribution, thereby be convenient for dismantle mounting panel 3 and installation piece 5, and then be convenient for dismantle and change dust ring 9, first sealing member 10 and installation component 12, be convenient for better use, this is exactly this hydraulic support hydro-cylinder's with seal structure application method.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a hydraulic support hydro-cylinder with seal structure which characterized in that includes:
the outer end face of the hydraulic support oil cylinder body is fixedly provided with a reinforcing rib, the upper end face of the hydraulic support oil cylinder body is provided with a mounting plate, and a bolt for fixing is mounted inside the outer side of the mounting plate;
the mounting block is fixedly mounted on the lower end face of the mounting plate, a positioning groove is formed in the outer side of the mounting block, the inner side end of the positioning groove is connected with a positioning strip located at the inner wall end of the hydraulic support oil cylinder body, and a piston rod is mounted in the hydraulic support oil cylinder body;
the dustproof groove is arranged in the middle of the inner side of the mounting plate, the dustproof ring is installed in the mounting plate through the dustproof groove, the first sealing piece is installed at the upper end of the inner side of the mounting block, the second sealing piece is arranged at the outer side end of the mounting block, and the mounting assembly is installed at the lower end of the inner side of the mounting block.
2. The hydraulic support cylinder with a sealed structure as set forth in claim 1, wherein: the mounting panel passes through the bolt with the installation piece and constitutes detachable construction with hydraulic support hydro-cylinder body, and the hole structure has all been seted up in the inside of mounting panel and installation piece through.
3. The hydraulic support cylinder with a sealed structure as set forth in claim 1, wherein: the positioning strips are connected with the mounting blocks in an inserting mode through the positioning grooves, and the positioning strips are distributed on the center shaft of the hydraulic support oil cylinder body in an equiangular circumferential mode.
4. The hydraulic support cylinder with a sealed structure as set forth in claim 1, wherein: the dust ring, the first sealing piece and the mounting assembly are arranged in an up-down parallel mode in sequence and are all in contact with the outer side end of the piston rod.
5. The hydraulic support cylinder with a sealed structure as set forth in claim 1, wherein: the mounting assembly comprises a mounting groove, a spring and a third sealing element;
the mounting groove is formed in the lower end of the inner side of the mounting block;
the spring is arranged at the inner side end of the mounting block through the mounting groove;
and the third sealing element is arranged at the outer side end, close to the piston rod, of the spring single body.
6. The hydraulic support cylinder with a sealing structure as set forth in claim 5, wherein: the third sealing element and the mounting block form a telescopic structure through a spring, and the outer side end of the third sealing element is arranged in an outward inclined mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123402988.9U CN216554718U (en) | 2021-12-30 | 2021-12-30 | Hydraulic support oil cylinder with sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123402988.9U CN216554718U (en) | 2021-12-30 | 2021-12-30 | Hydraulic support oil cylinder with sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216554718U true CN216554718U (en) | 2022-05-17 |
Family
ID=81559488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123402988.9U Active CN216554718U (en) | 2021-12-30 | 2021-12-30 | Hydraulic support oil cylinder with sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216554718U (en) |
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2021
- 2021-12-30 CN CN202123402988.9U patent/CN216554718U/en active Active
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