CN217129984U - Dustproof sealing assembly for output end of hydraulic oil cylinder - Google Patents
Dustproof sealing assembly for output end of hydraulic oil cylinder Download PDFInfo
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- CN217129984U CN217129984U CN202220409259.1U CN202220409259U CN217129984U CN 217129984 U CN217129984 U CN 217129984U CN 202220409259 U CN202220409259 U CN 202220409259U CN 217129984 U CN217129984 U CN 217129984U
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Abstract
The utility model discloses a hydraulic cylinder output dustproof sealing assembly, including the installation base member, connect the pipe and strike off the taper sleeve, the installation base member includes the flange dish portion of lower extreme, the connecting circular sleeve portion of upper end and connecting flange dish portion and the connecting circular sleeve portion, be provided with a plurality of connecting through-holes on the flange dish portion, be provided with external screw thread structure on the outer pipe wall of circular sleeve portion, be provided with internal thread structure on the lower extreme inner wall of connecting the pipe, connecting the pipe screw thread and installing on the circular sleeve portion, evenly be provided with a plurality of screw through-holes that lead to in the pipe along the circumferencial direction of connecting the pipe on the upper end pipe wall of connecting the pipe, and install fixing bolt in this screw through-hole, strike off the taper sleeve and peg graft in connecting the pipe, and fixed by fixing bolt; the utility model discloses can strike off impurity such as dust, iron fillings of adhesion on the piston rod outer wall, need not strike off through the sealing washer of hydraulic cylinder output department, reduced the wearing and tearing of hydraulic cylinder output department sealing washer.
Description
Technical Field
The utility model relates to a hydraulic cylinder field specifically is a hydraulic cylinder output dustproof sealing assembly.
Background
The hydraulic oil cylinder comprises a cylinder body and a piston rod, wherein the output end of the hydraulic oil cylinder is provided with a cylindrical through hole for the piston rod to pass in and out, and in order to prevent the hydraulic oil cylinder from leaking oil and bring impurities on the piston rod into the cylinder body when the piston rod retracts into the cylinder body, a sealing ring is arranged at the output end of the hydraulic oil cylinder. The impurity on the piston rod is scraped through the sealing ring, so that the abrasion speed of the sealing ring at the output end of the hydraulic oil cylinder is high, the sealing ring at the output end of the hydraulic oil cylinder needs to be frequently replaced, and the time and the labor are consumed very much. In order to solve the problems, the applicant provides a dustproof sealing assembly for an output end of a hydraulic oil cylinder.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydraulic cylinder output dustproof sealing assembly aims at improving the direct problem that leads to the sealing washer need frequently change of striking off through the sealing washer of hydraulic cylinder output department on the piston rod.
The utility model discloses a realize like this: a dustproof sealing assembly for an output end of a hydraulic cylinder comprises a mounting base body, a connecting circular pipe and a scraping taper sleeve, wherein the mounting base body comprises a flange disc part at the lower end, a circular sleeve part at the upper end and a connecting circular table part for connecting the flange disc part and the circular sleeve part, a plurality of connecting through holes are formed in the flange disc part, a cylindrical through hole penetrating through the flange disc part and the connecting circular table part is formed in the mounting base body, the cylindrical through hole and an inner hole of the circular sleeve part share a central axis, and the diameters of the cylindrical through hole and the inner hole are the same; the outer pipe wall of the round sleeve part is provided with an external thread structure, the inner wall of the lower end of the connecting round pipe is provided with an internal thread structure, the connecting round pipe is installed on the round sleeve part in a threaded mode, a plurality of threaded through holes leading to the inside of the connecting round pipe are evenly formed in the pipe wall of the upper end of the connecting round pipe along the circumferential direction of the connecting round pipe, fixing bolts are installed in the threaded through holes, and the scraping taper sleeve is inserted into the connecting round pipe and fixed by the fixing bolts.
Further, strike off the taper sleeve and include rubber taper sleeve portion and stainless steel ring portion, the lower extreme of rubber taper sleeve portion is located in the cover of stainless steel ring portion, the external diameter of stainless steel ring portion is the same with the aperture of connecting the pipe.
Furthermore, a first annular groove is formed in the lower end wall of the flange portion of the mounting base body, and a first sealing ring is arranged in the first annular groove.
Furthermore, a second circular groove is formed in the inner hole wall of the flange part of the mounting base body, and a second sealing ring is arranged in the second circular groove.
Furthermore, a third circular groove is formed in the inner hole wall of the circular sleeve portion of the mounting base body, and a third sealing ring is arranged in the third circular groove.
Furthermore, four fixing blocks are evenly arranged on the outer pipe wall of the connecting circular pipe along the circumferential direction of the outer pipe wall, and grooves are formed in the outer wall of each fixing block.
Compared with the prior art, the utility model has the following advantages:
1. the utility model discloses can strike off impurity such as dust, iron fillings of adhesion on the piston rod outer wall, need not strike off through the sealing washer of hydraulic cylinder output department, reduce the wearing and tearing of hydraulic cylinder output department sealing washer, prolong the life of hydraulic cylinder output department sealing washer, reduce the change frequency of hydraulic cylinder output department sealing washer.
2. The scraping taper sleeve used for scraping the impurities adhered to the outer wall of the piston rod is very convenient to replace, the labor intensity of workers is reduced, and the influence on the normal working time of the hydraulic oil cylinder during replacement is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it being understood that the following drawings only illustrate certain examples of the present invention and are therefore not to be considered limiting of scope, and that for a person skilled in the art, other relevant drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic perspective view of a dustproof sealing assembly for an output end of a hydraulic cylinder according to the present invention;
FIG. 2 is a schematic cross-sectional view of a dustproof sealing assembly for an output end of a hydraulic cylinder according to the present invention;
fig. 3 is a schematic perspective view of the mounting base body of the dustproof sealing assembly for the output end of the hydraulic cylinder in a depression angle according to the present invention;
fig. 4 is a schematic perspective view of the mounting base body of the dustproof sealing assembly for the output end of the hydraulic cylinder according to the present invention at a bottom view;
FIG. 5 is a schematic perspective view of a connecting circular tube of the dustproof sealing assembly for the output end of the hydraulic cylinder according to the present invention;
fig. 6 is a schematic perspective view of the scraping taper sleeve of the hydraulic cylinder output end dustproof sealing assembly of the present invention.
In the figure: 1. installing a base body; 101. a flange disk portion; 102. connecting the circular table part; 103. a cylindrical portion; 104. a first annular groove; 105. a second annular groove; 106. a third circular groove; 2. a connecting circular pipe; 3. scraping the taper sleeve; 301. a rubber cone sleeve part; 302. a stainless steel circular ring portion; 4. fixing the bolt; 5. a first seal ring; 6. a second seal ring; 7. a third seal ring; 8. and (5) fixing blocks.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, not all embodiments. Thus, the following detailed description of the embodiments of the invention presented in the accompanying drawings is not intended to limit the scope of the claimed invention, but is merely representative of selected embodiments of the invention. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the utility model.
Referring to fig. 1, a hydraulic cylinder output end dust seal assembly includes a mounting base 1, a connecting circular tube 2, and a scraping taper sleeve 3.
Referring to fig. 1 and 3, the mounting base 1 includes a flange portion 101 at a lower end, a circular sleeve portion 103 at an upper end, and a connecting circular boss portion 102 connecting the flange portion 101 and the circular sleeve portion 103, the flange portion 101 is provided with a plurality of connecting through holes, the mounting base 1 is provided with a cylindrical through hole penetrating through the flange portion 101 and the connecting circular boss portion 102, the cylindrical through hole is directly communicated with an inner hole of the circular sleeve portion 103, the cylindrical through hole and the inner hole of the circular sleeve portion 103 share a common central axis, and have the same diameter, and an outer wall of the circular sleeve portion 103 is provided with an external thread structure.
Referring to fig. 1 and 5, an inner thread structure is disposed on an inner wall of a lower end of the connecting circular tube 2, the connecting circular tube 2 is threadedly mounted on the circular sleeve portion 103, a plurality of threaded through holes leading into the connecting circular tube 2 are uniformly formed in a wall of an upper end of the connecting circular tube 2 along a circumferential direction of the connecting circular tube 2, fixing bolts 4 are mounted in the threaded through holes, and the scraping taper sleeve 3 is inserted into the connecting circular tube 2 and fixed by the fixing bolts 4. Four fixing blocks 8 are uniformly arranged on the outer pipe wall of the connecting circular pipe 2 along the circumferential direction of the outer pipe wall, and grooves are formed in the outer wall of each fixing block 8. When the circular tube 2 is connected in a dismounting manner, a straight rod can be respectively inserted into the grooves of the two symmetrical fixed blocks 8, and the two straight rods rotate, so that the circular tube 2 can be more conveniently dismounted in a labor-saving manner.
Referring to fig. 6, the scraping taper sleeve 3 includes a rubber taper sleeve portion 301 and a stainless steel circular portion 302, the stainless steel circular portion 302 is sleeved at the lower end of the rubber taper sleeve portion 301, and the outer diameter of the stainless steel circular portion 302 is the same as the aperture of the connecting circular pipe 2. When the scraping taper sleeve 3 is fixed through the fixing bolt 4, the fixing bolt 4 tightly clamps the stainless steel circular ring part 302, so that the rubber taper sleeve part 301 cannot deform and the like.
Referring to fig. 2, 3 and 4, a first annular groove 104 is formed in a lower end wall of the flange portion 101 of the mounting base 1, a first sealing ring 5 is disposed in the first annular groove 104, and the first sealing ring 5 is used for preventing oil leakage between the mounting base 1 and a cylinder body of the hydraulic cylinder. A second annular groove 105 is formed in the inner hole wall of the flange part 101 of the mounting base body 1, a second sealing ring 6 is arranged in the second annular groove 105, and the second sealing ring 6 is used for further enhancing the sealing effect between the mounting base body 1 and the hydraulic oil cylinder body. The inner hole wall of the circular sleeve part 103 of the mounting base body 1 is provided with a third circular groove 106, and a third sealing ring 7 is arranged in the third circular groove 106. The third sealing ring 7 is used for further scraping the rubber taper sleeve part 301 on the piston rod without scraping clean impurities such as dust.
The utility model discloses a theory of operation: the installation base body 1 is installed at the output end of the hydraulic oil cylinder, a piston rod of the hydraulic oil cylinder penetrates through a cylindrical through hole of the installation base body 1 and an inner hole of a rubber taper sleeve portion 301 of the scraping taper sleeve 3, the diameter of the rubber taper sleeve portion 301 is the same as that of the piston rod, and the inner wall of the rubber taper sleeve portion 301 is tightly attached to the outer wall of the piston rod. When the piston rod retracts into the cylinder body, the rubber taper sleeve part 301 scrapes impurities such as dust and iron filings adhered to the outer wall of the piston rod, the sealing ring at the output end of the hydraulic oil cylinder is not needed to be scraped, abrasion of the sealing ring at the output end of the hydraulic oil cylinder is reduced, the service life of the sealing ring at the output end of the hydraulic oil cylinder is prolonged, and the replacement frequency of the sealing ring at the output end of the hydraulic oil cylinder is reduced. When the rubber taper sleeve part 301 is seriously worn, the fixing bolt 4 is unscrewed, and the connection at the top end of the piston rod is removed, so that the rubber taper sleeve part can be conveniently replaced.
To sum up, the utility model discloses can strike off impurity such as dust, iron fillings of adhesion on the piston rod outer wall, need not strike off through the sealing washer of hydraulic cylinder output department, reduce the wearing and tearing of hydraulic cylinder output department sealing washer, prolong the life of hydraulic cylinder output department sealing washer, reduce the change frequency of hydraulic cylinder output department sealing washer.
The above is only a preferred embodiment of the invention and is not intended to limit the invention, and various modifications and changes can be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims (6)
1. The dustproof sealing assembly for the output end of the hydraulic oil cylinder is characterized by comprising a mounting base body, a connecting circular pipe and a scraping taper sleeve, wherein the mounting base body comprises a flange disc part at the lower end, a circular sleeve part at the upper end and a connecting circular table part for connecting the flange disc part and the circular sleeve part, a plurality of connecting through holes are formed in the flange disc part, a cylindrical through hole penetrating through the flange disc part and the connecting circular table part is formed in the mounting base body, the cylindrical through hole and an inner hole of the circular sleeve part share the same central axis, and the diameters of the cylindrical through hole and the inner hole are the same; the outer pipe wall of the round sleeve part is provided with an external thread structure, the inner wall of the lower end of the connecting round pipe is provided with an internal thread structure, the connecting round pipe is installed on the round sleeve part in a threaded mode, a plurality of threaded through holes leading to the inside of the connecting round pipe are evenly formed in the pipe wall of the upper end of the connecting round pipe along the circumferential direction of the connecting round pipe, fixing bolts are installed in the threaded through holes, and the scraping taper sleeve is inserted into the connecting round pipe and fixed by the fixing bolts.
2. The hydraulic cylinder output end dustproof sealing assembly according to claim 1, wherein the scraping taper sleeve comprises a rubber taper sleeve part and a stainless steel circular ring part, the stainless steel circular ring part is sleeved at the lower end of the rubber taper sleeve part, and the outer diameter of the stainless steel circular ring part is the same as the aperture of the connecting circular pipe.
3. The hydraulic cylinder output end dust sealing assembly according to claim 2, wherein a first annular groove is formed in a lower end wall of the flange portion of the mounting base body, and a first sealing ring is arranged in the first annular groove.
4. The dustproof sealing assembly for the output end of the hydraulic oil cylinder according to claim 3, wherein a second annular groove is formed in the inner hole wall of the flange part of the mounting base body, and a second sealing ring is arranged in the second annular groove.
5. The hydraulic cylinder output end dust-proof sealing assembly as recited in claim 4, wherein a third circular groove is formed in an inner hole wall of the circular sleeve portion of the mounting base body, and a third sealing ring is arranged in the third circular groove.
6. The hydraulic cylinder output end dust sealing assembly according to any one of claims 1-5, wherein four fixing blocks are uniformly arranged on the outer pipe wall of the connecting circular pipe along the circumferential direction of the connecting circular pipe, and grooves are formed in the outer wall of each fixing block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220409259.1U CN217129984U (en) | 2022-02-28 | 2022-02-28 | Dustproof sealing assembly for output end of hydraulic oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220409259.1U CN217129984U (en) | 2022-02-28 | 2022-02-28 | Dustproof sealing assembly for output end of hydraulic oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217129984U true CN217129984U (en) | 2022-08-05 |
Family
ID=82642530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220409259.1U Active CN217129984U (en) | 2022-02-28 | 2022-02-28 | Dustproof sealing assembly for output end of hydraulic oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217129984U (en) |
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2022
- 2022-02-28 CN CN202220409259.1U patent/CN217129984U/en active Active
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