CN204413517U - The main oil sealing quick-fitting device of a kind of piston - Google Patents
The main oil sealing quick-fitting device of a kind of piston Download PDFInfo
- Publication number
- CN204413517U CN204413517U CN201420822240.5U CN201420822240U CN204413517U CN 204413517 U CN204413517 U CN 204413517U CN 201420822240 U CN201420822240 U CN 201420822240U CN 204413517 U CN204413517 U CN 204413517U
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- piston
- oil sealing
- main oil
- gland
- platen
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Abstract
The utility model discloses the main oil sealing quick-fitting device of a kind of piston, it comprises pressure head cover, straight pin, platen, Compress Spring, back-up ring, extension spring, gland and fairlead, described pressure head cover side arranges the protuberance being used for being connected with press, described pressure head cover opposite side is connected with platen, described Compress Spring one end is connected with platen, and the described Compress Spring other end arranges back-up ring; Described fairlead lower end is connected with piston, and described fairlead upper end is taper; Described gland is at least two, described gland one end is rotationally connected by straight pin and described platen, the described gland being at least two surrounds a cavity holding described fairlead and can pass in and out back and forth, and the cavity that the described gland being at least two surrounds circumferentially arranges extension spring.The technical problem that this piston main oil sealing quick-fitting device is simple to operate, solve the more difficult assembling of the main oil sealing of industry inner carrier.
Description
Technical field
The utility model relates to technical field of hydraulic oil cylinder, is specifically related to the main oil sealing quick-fitting device of a kind of piston.
Background technology
Oil sealing is used to the mechanical organ of oil sealing (oil is modal liquid substance in transmission system, also makes a general reference the meaning of general liquid substance), and the parts needing in drive disk assembly to lubricate are isolated with parts of exerting oneself by it, are unlikely to allow oil seepage.Static seal and movable sealing (generally moving back and forth) with seal seal.The representative form of oil sealing is TC oil sealing, and this is the two-lip seal of the completely coated band self-tightening spring of a kind of rubber, and oil sealing in general often refers to this tc outside framework oil seal.
Oil sealing is generally divided into haplotype and packaging, and packaging is that skeleton and lip material can independent assortments, is generally used for special oil sealing.Various ways and different call can be divided into from the sealing function of oil sealing, feature, structure type, duty and sealing mechanism etc., but traditionally general by rotary shaft lip seal on oil sealing, static seal and movable sealing (generally moving back and forth) with seal seal.
Piston of the prior art main oil sealing assembling difficulty, the main oil sealing distortion after press-fiting is large, qualification rate is low, thus reduces production efficiency.
Summary of the invention
The utility model overcomes the deficiencies in the prior art, provides a kind of piston main oil sealing quick-fitting device, for solving the technical problem of piston main oil sealing assembling difficulty.
Consider the problems referred to above of prior art, according to an aspect of the present utility model, for solving above-mentioned technical problem, the utility model by the following technical solutions:
The main oil sealing quick-fitting device of a kind of piston, it comprises pressure head cover, straight pin, platen, Compress Spring, back-up ring, extension spring, gland and fairlead, described pressure head cover side arranges the protuberance be connected with press, described pressure head cover opposite side is connected with platen, described Compress Spring one end is connected with platen, and the described Compress Spring other end arranges back-up ring; Described fairlead lower end is connected with piston, and described fairlead upper end is taper; Described gland is at least two, described gland one end is rotationally connected by straight pin and described platen, the described gland being at least two surrounds a cavity holding described fairlead and can pass in and out back and forth, and the cavity that the described gland being at least two surrounds circumferentially arranges extension spring.
In order to realize the utility model better, further technical scheme is:
According to an embodiment of the present utility model, described pressure head cover opposite side arranges cavity, described platen is arranged the protrusion axle coordinated with this cavity, and is fixed by the protrusion axle being fitted into cavity by holding screw.
According to an embodiment of the present utility model, described holding screw (3) is interior hexagonal holding screw.
According to an embodiment of the present utility model, described Compress Spring one end is connected with platen by pin.
According to an embodiment of the present utility model, described gland is 4.
According to an embodiment of the present utility model, 4 gland uniform arrangements on a periphery.
The utility model can also be:
According to an embodiment of the present utility model, it also comprises one for supporting to locate the piston positioning sleeve of described piston.
Compared with prior art, one of the beneficial effects of the utility model are:
The main oil sealing quick-fitting device of piston of the present utility model, has:
1) simple to operate, the technical problem that solves the more difficult assembling of the main oil sealing of industry inner carrier;
2) the main oil sealing distortion after press-fiting is little, and restore fast, product percent of pass is high;
3) positioning precision is high, and production efficiency is high;
4) this piston main oil sealing quick-fitting device versatility is high, applied widely, can comprise the main oil sealing quick assembling of piston of plurality of specifications.
Accompanying drawing explanation
In order to clearer explanation present specification embodiment or technical scheme of the prior art, below the accompanying drawing used required in the description to embodiment or prior art is briefly described, apparently, the accompanying drawing that the following describes is only the reference to some embodiments in present specification, for those skilled in the art, when not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the piston main oil sealing quick-fitting device structural representation according to the utility model embodiment.
Wherein, the name corresponding to the Reference numeral in accompanying drawing is called:
1-pressure head cover, 2-pin, 3-holding screw, 4-straight pin, 5-platen, 6-Compress Spring, 7-back-up ring, 8-extension spring, 9-gland, 10-fairlead, 11-piston positioning sleeve, 12-press, 13-protuberance, 14-piston, 15-cavity, 16-cavity, 17-protrudes axle, 18-hollow structure, 19-concave shaped cavity, 20-location division, 21-assembles the main oil sealing of secondary piston, and 22-assembles the main oil sealing of back piston.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
As shown in Figure 1, Fig. 1 is the piston main oil sealing quick-fitting device structural representation according to the utility model embodiment, the main oil sealing quick-fitting device of this kind of piston, it comprises pressure head cover 1, straight pin 4, platen 5, Compress Spring 6, back-up ring 7, extension spring 8, gland 9 and fairlead 10, described pressure head overlaps the protuberance 13 of 1 side setting for being connected with press 12, hollow structure 18 is can be in the middle part of this protuberance 13, by the set-up mode of protuberance 13 to be connected with press 12, press 12 by this protuberance 13 to exert pressure to the main oil sealing quick-fitting device of this piston, described pressure head overlaps 1 opposite side and is connected with platen 5, described Compress Spring 6 one end is connected with platen 5, described Compress Spring 6 other end arranges back-up ring 7, described fairlead 10 lower end is connected with piston 14, and described fairlead 10 upper end is taper, described gland 9 is at least two, described gland 9 one end is rotationally connected by straight pin 4 and described platen 5, the described gland 9 being at least two surrounds a cavity 15 holding described fairlead 10 and can pass in and out back and forth, and the cavity 15 that the described gland 9 being at least two surrounds circumferentially arranges extension spring 8.
Described pressure head overlaps 1 opposite side and arranges cavity 16, this cavity 16 can to overlap the hollow structure 18 of the protuberance 13 of 1 through with pressure head, described platen 5 is arranged the protrusion axle 17 coordinated with this cavity 16, and by holding screw 3, the protrusion axle 17 being fitted into cavity 16 is fixed, namely holding screw 3 part is positioned at pressure head cover 1, another part inserts and protrudes axle 17, thus pressure head cover 1 and platen 5 tightened relative.
Can be interior hexagonal holding screw for holding screw 3, in addition also can also be the screw of other form.
Described Compress Spring 6 one end is connected with platen 5 by pin 2, this pin 2 can be positioned at the hollow structure 18 in the middle part of protuberance 13, and can arrange and protrude the end face of axle 17 to be fixed Compress Spring 6, and the protrusion axle 17 of platen 5 arranges the concave shaped cavity 19 inserted into the inner for described Compress Spring 6.
Wherein, gland 9 can be two, three etc., and two glands 9 are symmetrical arranged.But more preferably described gland 9 is 4,4 gland 9 uniform arrangements on a periphery/arrange at equal intervals, or every two glands 9 are oppositely arranged, and when filling main oil sealing, in order to make main oil sealing be subject to more balanced pressure, the number increasing gland 9 can be considered.
Continue as shown in Figure 1, this piston main oil sealing quick-fitting device also comprises one for supporting to locate the piston positioning sleeve 11 of described piston 14, arranges a location division 20, for the location to piston 14 in the middle part of this piston positioning sleeve 11.Assembling the main oil sealing 21 of secondary piston in Fig. 1 is positioned in the tapered portion of fairlead 10 upper end, now, press down together with the parts such as press 12 is with dynamic head to overlap 1, platen 5, Compress Spring 6 and gland 9, the cavity 15 that multiple gland 9 is formed opens and promotes the main oil sealing 21 of assembling secondary piston and moves down under the effect of fairlead 10, after it moves to precalculated position, namely after the main oil sealing 22 of assembling back piston is positioned at piston 14 design attitude as shown in Figure 1, under the effect of Compress Spring 6, each member reset.
Below its operation principle is further described:
1, piston 14 is put on piston positioning sleeve 11, then overlap fairlead 10 on piston 14.
2, main for piston oil sealing is put into fairlead 10, the main oil sealing 21 of the assembling secondary piston namely shown in Fig. 1.
3, start press 12,4 glands 9 down move simultaneously, and gland 9 also rotates around straight pin 4, and under the effect of extension spring 8,4 glands 9 are close to fairlead 10 all the time and down promote the main oil sealing of piston fast to the position of specifying.
4, after terminating, press 12 up moves, and under the effect of Compress Spring 6 and extension spring 8,4 glands 9 up move simultaneously fast like a cork, and make 4 gland 9 Rapid resets, to prepare next action.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiment, identical similar portion cross-reference between each embodiment.
Although be described the utility model with reference to multiple explanatory embodiment of the present utility model here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.
Claims (7)
1. the main oil sealing quick-fitting device of piston, it is characterized in that it comprises pressure head cover (1), straight pin (4), platen (5), Compress Spring (6), back-up ring (7), extension spring (8), gland (9) and fairlead (10), described pressure head cover (1) side arranges the protuberance (13) be connected with press (12), described pressure head cover (1) opposite side is connected with platen (5), described Compress Spring (6) one end is connected with platen (5), and described Compress Spring (6) other end arranges back-up ring (7); Described fairlead (10) lower end is connected with piston (14), and described fairlead (10) upper end is taper; Described gland (9) is at least two, described gland (9) one end is rotationally connected by straight pin (4) and described platen (5), the described gland (9) being at least two surrounds a cavity (15) holding described fairlead (10) and can pass in and out back and forth, and the cavity (15) that this described gland (9) being at least two surrounds circumferentially arranges extension spring (8).
2. the main oil sealing quick-fitting device of a kind of piston according to claim 1, it is characterized in that described pressure head cover (1) opposite side arranges cavity (16), described platen (5) above arranges the protrusion axle (17) coordinated with this cavity (16), and it is fixing will to be fitted into the protrusion axle (17) of cavity (16) by holding screw (3).
3. the main oil sealing quick-fitting device of a kind of piston according to claim 2, is characterized in that described holding screw (3) is for interior hexagonal holding screw.
4. the main oil sealing quick-fitting device of a kind of piston according to claim 1, is characterized in that described Compress Spring (6) one end is connected with platen (5) by pin (2).
5. the main oil sealing quick-fitting device of a kind of piston according to claim 1, is characterized in that described gland (9) is 4.
6. the main oil sealing quick-fitting device of a kind of piston according to claim 1, is characterized in that 4 gland (9) uniform arrangements on a periphery.
7. the main oil sealing quick-fitting device of a kind of piston according to claim 1, is characterized in that it also comprises one for supporting to locate the piston positioning sleeve (11) of described piston (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420822240.5U CN204413517U (en) | 2014-12-23 | 2014-12-23 | The main oil sealing quick-fitting device of a kind of piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420822240.5U CN204413517U (en) | 2014-12-23 | 2014-12-23 | The main oil sealing quick-fitting device of a kind of piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204413517U true CN204413517U (en) | 2015-06-24 |
Family
ID=53463923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420822240.5U Expired - Fee Related CN204413517U (en) | 2014-12-23 | 2014-12-23 | The main oil sealing quick-fitting device of a kind of piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204413517U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108311869A (en) * | 2017-01-16 | 2018-07-24 | 浙江师范大学 | A kind of earless elasticity clamp automatic assembling machine |
| CN108747307A (en) * | 2018-07-28 | 2018-11-06 | 蚌埠液力机械有限公司 | A kind of hydraulic cylinder piston body sealing ring semi-automatic assembling device and assembly method |
-
2014
- 2014-12-23 CN CN201420822240.5U patent/CN204413517U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108311869A (en) * | 2017-01-16 | 2018-07-24 | 浙江师范大学 | A kind of earless elasticity clamp automatic assembling machine |
| CN108747307A (en) * | 2018-07-28 | 2018-11-06 | 蚌埠液力机械有限公司 | A kind of hydraulic cylinder piston body sealing ring semi-automatic assembling device and assembly method |
| CN108747307B (en) * | 2018-07-28 | 2023-10-10 | 蚌埠液力机械有限公司 | Semi-automatic assembly device and assembly method for piston body sealing ring of hydraulic cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20211223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |