CN210087730U - Piston rod sealing device - Google Patents
Piston rod sealing device Download PDFInfo
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- CN210087730U CN210087730U CN201822237358.2U CN201822237358U CN210087730U CN 210087730 U CN210087730 U CN 210087730U CN 201822237358 U CN201822237358 U CN 201822237358U CN 210087730 U CN210087730 U CN 210087730U
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Abstract
The utility model provides a piston rod sealing device relates to the machine-building field. The piston rod sealing device comprises a supporting and fixing device, a clamping and sealing device and a limiting and adjusting device, wherein the clamping and sealing device is fixedly arranged inside the supporting and fixing device, the limiting and adjusting device is fixedly arranged at two ends of the clamping and sealing device, the supporting and fixing device comprises a supporting and fixing rack, and a positioning slotted hole is formed in each of two ends of the supporting and fixing rack. This piston rod sealing device inserts through the No. two positioning groove holes with the piston rod from one end, then comes out from the No. two positioning groove holes of the other end, then all installs two sets of sealed annular pieces in the inside of a positioning groove hole that corresponds, and carries out sealed effect to the piston rod, makes the fine inside of installing in a positioning groove hole that corresponds of two sets of sealed annular pieces, and the mode through the joint, easy to assemble work, and be equipped with the multilayer and seal to work efficiency and operating mass with having improved.
Description
Technical Field
The utility model relates to a machine-building technical field specifically is a piston rod sealing device.
Background
The piston rod is a connecting component for supporting the piston to do work, most of the piston rod is applied to an oil cylinder and an air cylinder movement executing component, and the piston rod is a movement component with frequent movement and high technical requirements. Taking a hydraulic oil cylinder as an example, the hydraulic oil cylinder comprises: the cylinder barrel, the piston rod (oil cylinder rod), the piston and the end cover. The quality of the processing quality directly influences the service life and the reliability of the whole product. The piston rod has high processing requirement, the surface roughness requirement of the piston rod is Ra0.4-0.8 mu m, and the requirements on coaxiality and wear resistance are strict.
At present, a piston rod sealing device is simple in structure, only one layer of sealing ring is used for sealing generally, the sealing ring is directly hammered in and hammered out by a hammer during installation and disassembly, when a new sealing ring is hammered out easily and an old sealing ring is hammered out easily by the method, parts beside the sealing ring are hammered out easily, installation and disassembly are not convenient, and therefore working efficiency and safety performance are reduced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model discloses try to overcome above defect, consequently the utility model provides a piston rod sealing device to reached and be convenient for installation and dismantlement, and improved the effect of leakproofness.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a piston rod sealing device, includes and supports fixing device, presss from both sides tight sealing device, spacing adjusting device, the inside fixed mounting who supports fixing device has tight sealing device of clamp, the both ends fixed mounting who presss from both sides tight sealing device has spacing adjusting device.
The supporting and fixing device comprises a supporting and fixing frame, wherein one number of positioning groove holes are formed in two ends of the supporting and fixing frame, supporting limiting sliding grooves are formed in the upper ends and the lower ends of two groups of one number of positioning groove holes, two number of positioning groove holes are formed in the opposite ends of two groups of one number of positioning groove holes, clamping and sealing working groove holes are formed in the opposite ends of two groups of two number of positioning groove holes, sealing annular blocks are movably mounted in the two groups of one number of positioning groove holes, one number of sealing rings are fixedly mounted on the inner walls of the two groups of sealing annular blocks, and limiting fixing clamping grooves are formed in the upper ends and the lower ends of each.
The clamping and sealing device comprises two groups of supporting fixed bottom blocks, one supporting spring is fixedly mounted at one end of each group of supporting fixed bottom blocks, one corresponding supporting fixed bottom block is far away from each group of supporting springs, one supporting fixed clamping plate is fixedly mounted at one end of each group of supporting fixed bottom blocks, and one corresponding sealing ring is fixedly mounted at one end of each group of supporting fixed clamping plate, which is far away from each group of supporting fixed clamping plate, and the other sealing ring is fixedly mounted at the other end of each group of supporting fixed clamping plate.
Spacing adjusting device includes four internal thread formula screw caps of group, the equal movable mounting in bottom of every internal thread formula screw cap of group has spacing adjusting bolt, the equal fixed mounting in one end that corresponding internal thread formula screw cap was kept away from to every spacing adjusting bolt of group has spacing adjusting block, the spacing spout of joint has all been seted up to the one end that corresponding spacing adjusting bolt was kept away from to every spacing adjusting block of group, the equal fixed mounting in bottom of the spacing spout of every group joint has No. two to support the fixed bottom block, equal fixed mounting has No. two supporting spring on every group supports the fixed bottom block, the equal fixed mounting in one end that corresponding No. two support the fixed bottom block was kept away from to every group No. two supporting spring has spacing fixed.
Furthermore, two sets of supporting fixed splint all are located the inside of pressing from both sides tight sealed work slotted hole, and the inner wall of two sets of supporting fixed splint and two sets of No. two sealing washers all sets up to the arc.
Furthermore, two groups of sealing ring-shaped blocks and two groups of positioning groove holes are arranged on the same axis, and each group of positioning groove holes is matched with the corresponding sealing ring-shaped blocks.
Further, the inside of every internal thread formula screw cap of group all seted up with spacing adjusting bolt assorted screw hole, and every internal thread formula screw cap of group all runs through the inside of supporting fixed frame to the support spacing spout that corresponds.
Further, every group's spacing regulating slide all is located the inside of the support spacing spout that corresponds, and every group supports spacing spout and all sets up to rectangle and phase-match with spacing regulating slide.
Further, the equal movable mounting of the spacing fixed fixture block of every group is in the inside of the spacing spout of the joint that corresponds, and the spacing fixed slot of every group all aligns with the spacing spout of the joint that corresponds, and the spacing fixed fixture block of every group runs through spacing adjusting block to the inside of the spacing fixed slot that corresponds.
The utility model provides a pair of piston rod sealing device. The method has the following beneficial effects:
1. this piston rod sealing device inserts through the No. two positioning groove holes with the piston rod from one end, then comes out from the No. two positioning groove holes of the other end, then all installs two sets of sealed annular pieces in the inside of a positioning groove hole that corresponds, and carries out sealed effect to the piston rod, makes the fine inside of installing in a positioning groove hole that corresponds of two sets of sealed annular pieces, and the mode through the joint, easy to assemble work, and be equipped with the multilayer and seal to work efficiency and operating mass with having improved.
2. This piston rod sealing device, through rotating the internal thread formula screw cap that corresponds, internal thread formula screw cap drives spacing fixed fixture block through spacing adjusting bolt and breaks away from spacing fixed slot, then takes out a sealing washer that corresponds, makes the convenient work of dismantling of sealing ring-shaped piece to work efficiency has been improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic view of the limiting adjustment device of the present invention.
In the figure: the device comprises a supporting and fixing device 1, a supporting and fixing frame 101, a first positioning groove hole 102, a limiting sliding groove 103, a second positioning groove hole 104, a clamping and sealing working groove hole 105, a sealing ring block 106, a first sealing ring 107, a limiting and fixing clamping groove 108, a clamping and sealing device 2, a first supporting and fixing bottom block 201, a first supporting spring 202, a supporting and fixing clamping plate 203, a second sealing ring 204, a limiting and adjusting device 3, an internal thread type screw cap 301, a limiting and adjusting bolt 302, a limiting and adjusting sliding block 303, a limiting and adjusting sliding block 304, a second supporting and fixing bottom block 305, a second supporting spring 306 and a limiting and fixing clamping block 307.
Detailed Description
According to the utility model discloses an aspect, the utility model provides a piston rod sealing device, as shown in fig. 1-2, including supporting fixing device 1, pressing from both sides tight sealing device 2, spacing adjusting device 3, the inside fixed mounting who supports fixing device 1 has pressing from both sides tight sealing device 2, and the both ends fixed mounting who presss from both sides tight sealing device 2 has spacing adjusting device 3.
The clamping and sealing device 2 comprises two sets of supporting and fixing bottom blocks 201, one supporting spring 202 is fixedly mounted at one end of each set of supporting and fixing bottom blocks 201, one supporting spring 202 of each set is fixedly mounted at one end of each set of supporting and fixing bottom blocks 201 far away from the corresponding supporting and fixing bottom block, a supporting and fixing clamp plate 203 is fixedly mounted at one end of each set of supporting and fixing spring 202 far away from the corresponding supporting and fixing bottom block, and a sealing ring 204 is fixedly mounted at the other end of each set of supporting and fixing clamp plate 203.
The limiting adjusting device 3 comprises four groups of internal thread type screw caps 301, the bottom end of each group of internal thread type screw caps 301 is movably provided with a limiting adjusting bolt 302, one end of each group of limiting adjusting bolts 302 far away from the corresponding internal thread type screw caps 301 is fixedly provided with a limiting adjusting slider 303, one end of each group of limiting adjusting sliders 303 far away from the corresponding limiting adjusting bolts 302 is provided with a clamping limiting sliding groove 304, the bottom end of each group of clamping limiting sliding grooves 304 is fixedly provided with a second supporting fixed bottom block 305, each group of second supporting fixed bottom blocks 305 is fixedly provided with a second supporting spring 306, and each group of second supporting spring 306 is provided with a limiting fixed clamping block 307 far away from one end of the corresponding second supporting fixed bottom block 305.
Two groups of supporting and fixing clamp plates 203 are positioned inside the clamping and sealing working slot holes 105, the inner walls of the two groups of supporting and fixing clamp plates 203 and two groups of second sealing rings 204 are both arranged to be arc-shaped, two groups of sealing ring-shaped blocks 106 and two groups of second positioning slot holes 104 are both arranged to be on the same axis, each group of first positioning slot holes 102 is matched with the corresponding sealing ring-shaped block 106, the inside of each group of internal thread type screw caps 301 is provided with screw holes matched with the limit adjusting bolts 302, each group of internal thread type screw caps 301 penetrates through the supporting and fixing frame 101 to the inside of the corresponding supporting and limiting slide groove 103, each group of limiting adjusting slide blocks 303 is positioned inside the corresponding supporting and limiting slide groove 103, each group of supporting and limiting slide grooves 103 and limiting adjusting slide blocks 303 are both arranged to be rectangular and matched, each group of limiting and fixing clamp blocks 307 is movably arranged inside the corresponding clamping, and each group of limiting fixed clamping grooves 108 is aligned with the corresponding clamping limiting sliding groove 304, and each group of limiting fixed clamping blocks 307 penetrates through the limiting adjusting sliding block 303 to the inside of the corresponding limiting fixed clamping groove 108.
The working principle is as follows: during the use, insert the piston rod from No. two positioning groove holes 104 of one end, then come out from No. two positioning groove holes 104 of the other end, then all install two sets of sealed ring segments 106 in the inside of a corresponding positioning groove hole 102, and carry out sealed effect to the piston rod, when needing to change the dismantlement to a sealing washer 107, rotate corresponding internal thread formula screw cap 301, internal thread formula screw cap 301 drives spacing fixed fixture block 307 through spacing adjusting bolt 302 and breaks away from spacing fixed slot 108, then takes out a corresponding sealing washer 107.
In summary, according to the piston rod sealing device, the piston rod is inserted into the second positioning slot hole 104 at one end and then comes out of the second positioning slot hole 104 at the other end, then the two sets of sealing ring-shaped blocks 106 are installed inside the corresponding first positioning slot hole 102, the piston rod is sealed, the two sets of sealing ring-shaped blocks 106 are installed inside the corresponding first positioning slot hole 102 well, installation work is facilitated in a clamping connection mode, and multi-layer sealing is arranged, so that the working efficiency and the working quality are improved.
Moreover, by rotating the corresponding internal threaded screw cap 301, the internal threaded screw cap 301 drives the limiting fixing fixture block 307 to be separated from the limiting fixing fixture groove 108 through the limiting adjusting bolt 302, and then the corresponding first sealing ring 107 is taken out, so that the sealing ring block 106 is convenient to disassemble, and the working efficiency is improved.
Claims (3)
1. The utility model provides a piston rod sealing device, includes support fixing device (1), presss from both sides tight sealing device (2), spacing adjusting device (3), its characterized in that: a clamping and sealing device (2) is fixedly arranged in the supporting and fixing device (1), and limiting and adjusting devices (3) are fixedly arranged at two ends of the clamping and sealing device (2); the supporting and fixing device (1) comprises a supporting and fixing rack (101), wherein a first positioning groove hole (102) is formed in each of two ends of the supporting and fixing rack (101), supporting and limiting sliding grooves (103) are formed in each of the upper end and the lower end of each of two first positioning groove holes (102), a second positioning groove hole (104) is formed in each of the opposite ends of each of two first positioning groove holes (102), a clamping and sealing working groove hole (105) is formed in each of the opposite ends of each of two second positioning groove holes (104), sealing ring blocks (106) are movably mounted in each of the two first positioning groove holes (102), a first sealing ring (107) is fixedly mounted on the inner wall of each of two sealing ring blocks (106), and limiting and fixing clamping grooves (108) are formed in each of the upper end and the lower end of each; the clamping and sealing device (2) comprises two groups of first supporting and fixing bottom blocks (201), first supporting springs (202) are fixedly mounted at opposite ends of the two groups of first supporting and fixing bottom blocks (201), supporting and fixing clamping plates (203) are fixedly mounted at one ends, away from the corresponding first supporting and fixing bottom blocks (201), of the first supporting springs (202), and second sealing rings (204) are fixedly mounted at one ends, away from the corresponding first supporting springs (202), of the supporting and fixing clamping plates (203); the limiting adjusting device (3) comprises four groups of internal thread type screw caps (301), a limiting adjusting bolt (302) is movably mounted at the bottom end of each group of internal thread type screw caps (301), a limiting adjusting slider (303) is fixedly mounted at one end, far away from the corresponding internal thread type screw cap (301), of each group of limiting adjusting bolts (302), a clamping limiting sliding groove (304) is formed at one end, far away from the corresponding limiting adjusting bolt (302), of each group of limiting adjusting slider (303), a second supporting and fixing bottom block (305) is fixedly mounted at the bottom end of each group of clamping limiting sliding groove (304), a second supporting spring (306) is fixedly mounted on each group of second supporting and fixing bottom block (305), a limiting fixing clamping block (307) is fixedly mounted at one end, far away from the corresponding second supporting and fixing bottom block (305), of each group of second supporting and fixing clamping plates (203) is positioned inside the clamping and sealing working slotted hole (105), the inner walls of the two groups of supporting and fixing clamping plates (203) and the two groups of second sealing rings (204) are both set to be arc-shaped, the two groups of sealing annular blocks (106) and the two groups of second positioning groove holes (104) are both set to be on the same axis, each group of first positioning groove holes (102) is matched with the corresponding sealing annular block (106), threaded holes matched with the limiting adjusting bolts (302) are formed in each group of internal threaded screw caps (301), and each group of internal threaded screw caps (301) penetrates through the supporting and fixing rack (101) to the corresponding supporting and limiting sliding groove (103).
2. A piston rod sealing device according to claim 1, characterized in that: every group spacing adjusting slide block (303) all is located the inside of the support spacing spout (103) that corresponds, and every group supports spacing spout (103) and spacing adjusting slide block (303) and all sets up to rectangle and phase-match.
3. A piston rod sealing device according to claim 1, characterized in that: the equal movable mounting of every spacing fixed fixture block of group (307) is in the inside of the spacing spout of joint (304) that corresponds, and every spacing fixed slot of group (108) all aligns with the spacing spout of joint (304) that corresponds, and every spacing fixed fixture block of group (307) runs through the inside of spacing adjusting slide block (303) to the spacing fixed slot of joint (108) that corresponds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822237358.2U CN210087730U (en) | 2018-12-28 | 2018-12-28 | Piston rod sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822237358.2U CN210087730U (en) | 2018-12-28 | 2018-12-28 | Piston rod sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210087730U true CN210087730U (en) | 2020-02-18 |
Family
ID=69470021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822237358.2U Active CN210087730U (en) | 2018-12-28 | 2018-12-28 | Piston rod sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210087730U (en) |
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2018
- 2018-12-28 CN CN201822237358.2U patent/CN210087730U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20210129 Address after: 473000 No.1 Wenzhou circular economy industrial park, Zheshan Town, Zhenping county, Nanyang City, Henan Province Patentee after: Nanyang fuchengduo Auto Parts Co.,Ltd. Address before: 473000 Wenzhou circular economy industrial park, Zheshan Town, Zhenping county, Nanyang City, Henan Province Patentee before: NANYANG HUACHEN AUTO PARTS Co.,Ltd. |