CN217513786U - A installation frock for glacier circle - Google Patents
A installation frock for glacier circle Download PDFInfo
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- CN217513786U CN217513786U CN202221615343.5U CN202221615343U CN217513786U CN 217513786 U CN217513786 U CN 217513786U CN 202221615343 U CN202221615343 U CN 202221615343U CN 217513786 U CN217513786 U CN 217513786U
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Abstract
The utility model discloses an installation frock for glade ring belongs to hydraulic cylinder assembly field. The installation tool comprises a pushing assembly and a shaping cylinder. The propelling movement subassembly includes an expansion section of thick bamboo, propelling movement cover and propelling movement ring, and an expansion section of thick bamboo includes coaxial coupling and is used for coaxial cover to establish to the linkage segment of the one end periphery wall of piston, and the expansion section is round platform shape structure, and propelling movement ring slidable ground cover establish the propelling movement cover with on the linkage segment. The shaping cylinder comprises a reduced section and a guide section which is used for being in sliding fit with the outer peripheral wall of one end of the piston, and the reduced section is coaxially connected with the guide section. The embodiment of the utility model provides a pair of an installation frock for glade ring not only can conveniently realize expanding outward to polytetrafluoroethylene circle, and the atress is even, and the scope of increase polytetrafluoroethylene circle propelling movement improves application scope, can also recover the shrink of the great polytetrafluoroethylene circle that warp, improves the sealing quality of glade ring.
Description
Technical Field
The utility model belongs to hydraulic cylinder assembly field, more specifically relates to an installation frock for glayle circle.
Background
The hydraulic oil cylinder is an important actuating element in a hydraulic system of a plurality of engineering mechanical equipment, and the assembling quality of a sealing element directly determines the sealing performance of the hydraulic oil cylinder. The Gray ring is a sealing element applied to axial movement between a piston and a cylinder barrel in a hydraulic cylinder, and has the advantages of good dynamic and static sealing performance, small friction, no creeping phenomenon, strong adaptability to working conditions and the like, so that the Gray ring is very excellent in heavy-load bidirectional piston sealing occasions under high-pressure and high-frequency working conditions.
In the related art, the gray ring includes a rubber ring and a teflon ring arranged from the inside to the outside. When the Glare ring is installed, the rubber ring is firstly installed in the sealing groove of the piston, and then the polytetrafluoroethylene ring is installed on the rubber ring. Because the inner diameter size of the polytetrafluoroethylene ring is smaller than the outer circle size of the piston, when the polytetrafluoroethylene ring is arranged in the sealing groove, the polytetrafluoroethylene ring needs to be expanded, the polytetrafluoroethylene ring material has poor deformation resistance, the expansion amount is small, the expansion and the deformation are not easy to occur, the installation difficulty of manual outward expansion is increased, and the polytetrafluoroethylene ring is easy to deform inconsistently due to uneven stress. Meanwhile, the polytetrafluoroethylene ring after installation has large deformation and can not be recovered uniformly, and the adverse effect on the sealing quality of the piston can be caused.
SUMMERY OF THE UTILITY MODEL
To the above defect or the improvement demand of prior art, the utility model provides an installation frock for gurley circle, its aim at not only can conveniently realize expanding outward of polytetrafluoroethylene circle, and the atress is even, and increase polytetrafluoroethylene circle propelling movement's scope improves application scope, can also recover the shrink of the great polytetrafluoroethylene circle that warp, improves the sealing quality of gurley circle.
The utility model provides an installation tool for a Gray circle, which comprises a pushing component and a shaping cylinder;
the pushing assembly comprises an expansion cylinder, a pushing sleeve and a pushing ring, the expansion cylinder comprises an expansion section and a connecting section, the expansion section is coaxially connected with the connecting section, the connecting section is used for coaxially sleeved with the outer peripheral wall of one end of the piston, the expansion section is of a circular truncated cone-shaped structure, the outer diameter of the expansion section is gradually increased from the expansion section to the connecting section and extends to the connecting section in a transition mode, one end of the pushing sleeve is provided with a plurality of gaps which are arranged at intervals so as to divide one end of the pushing sleeve into a plurality of valve bodies, one end of the pushing sleeve is slidably sleeved on the expansion section, the other end of the pushing sleeve is sealed through a supporting plate, and the pushing ring is slidably sleeved on the pushing sleeve and the connecting section;
the shaping cylinder comprises a reduced section and a guide section which is used for being in sliding fit with the peripheral wall of one end of the piston, the reduced section is coaxially connected with the guide section, and the outer diameter of the reduced section is gradually reduced from the reduced section to the guide section and is transitorily extended to the guide section.
Optionally, the outer diameter of the support plate is larger than the outer diameter of the push sleeve.
Optionally, the mounting tool further comprises a fixing seat for supporting the other end of the piston.
Optionally, the fixing seat comprises a bottom plate and a connecting column inserted into the inner hole of the piston, and the bottom plate is vertically connected with the connecting column.
Optionally, the outer peripheral wall of the push ring has an outer flange.
Optionally, the included angle between the generatrix of the divergent section and the axis of the divergent section is 3-5 °.
Optionally, the included angle between the generatrix of the reduction section and the axis of the reduction section is 2-5 °.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is:
to the embodiment of the utility model provides an installation frock for glary circle, when the sealed slot of installation glary circle to piston, at first, establish the rubber circle cover to the sealed slot of piston in. Then, the connecting section of the expansion cylinder is coaxially sleeved on the piston, and the polytetrafluoroethylene ring is coaxially sleeved on the expansion section. Then, a pot head of the pushing sleeve is sleeved on the expanding section, the pushing sleeve is pushed downwards to move, and in the process that the pushing sleeve is pushed downwards, the valve bodies can be uniformly expanded outwards and push the polytetrafluoroethylene ring to slide downwards to the connecting section, so that the polytetrafluoroethylene ring can be conveniently expanded outwards, the stress is uniform, and the installation difficulty of the Glare ring is reduced.
When the strokes of the polytetrafluoroethylene ring and the sealing groove of the piston are close, the polytetrafluoroethylene ring is pushed into the sealing groove of the piston from the connecting section through the pushing sleeve (the polytetrafluoroethylene ring is sleeved on the rubber ring). When the sealed slot stroke of polytetrafluoroethylene circle and piston was far away (the unable propelling movement polytetrafluoroethylene circle of propelling movement cover reaches sealed slot), earlier through the propelling movement cover with polytetrafluoroethylene circle propelling movement to linkage segment on, slip propelling movement ring (propelling movement ring is gone up to linkage segment and piston surface from the propelling movement cover), continue the propelling movement at linkage segment and piston surface through the propelling movement ring, until with polytetrafluoroethylene circle propelling movement to the sealed slot of piston in, thereby can increase the scope of polytetrafluoroethylene circle propelling movement, improve application scope.
And finally, taking down the pushing assembly, inserting one end of the piston into the reduction section coaxially, and moving the shaping cylinder downwards. The guide section is in sliding fit with the piston to guide the piston, and the reduction section can uniformly extrude the polytetrafluoroethylene ring with larger deformation until the polytetrafluoroethylene ring is contracted to the assembly size, so that the recovery effect is achieved.
That is to say, the embodiment of the utility model provides a pair of an installation frock for greige circle, not only can conveniently realize expanding outward to polytetrafluoroethylene circle, and the atress is even, and increase polytetrafluoroethylene circle propelling movement's scope improves application scope, can also recover the shrink of the great polytetrafluoroethylene circle of deformation, improves the sealing quality of greige circle.
Drawings
Fig. 1 is a cross-sectional view of an installation tool for a greige ring provided by an embodiment of the present invention;
fig. 2 is a cross-sectional view of an expansion cylinder provided in accordance with an embodiment of the present invention;
fig. 3 is a cross-sectional view of a sizing cylinder provided in an embodiment of the present invention;
fig. 4 is a schematic use view of a shaping cylinder provided in an embodiment of the present invention;
fig. 5 is a schematic structural view of a fixing base provided in an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a push ring provided in the embodiment of the present invention.
The symbols in the figures represent the following:
1. a pushing assembly; 11. an expansion cylinder; 111. an expansion section; 112. a connecting section; 12. pushing the sleeve; 121. a gap; 122. a support plate; 13. a push ring; 131. an outer flange; 2. shaping the cylinder; 21. a reduction section; 22. a guide section; 3. a fixed seat; 31. a base plate; 32. connecting columns; 100. a piston; 200. a polytetrafluoroethylene ring; 300. a rubber ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
Fig. 1 is a cross-sectional view of an installation tool for a greige ring provided by an embodiment of the present invention, and as shown in fig. 1, the installation tool includes a pushing assembly 1 and a shaping cylinder 2.
The pushing assembly 1 comprises an expansion cylinder 11 (see fig. 2), a pushing sleeve 12 and a pushing ring 13, the expansion cylinder 11 comprises an expansion section 111 and a connecting section 112, the expansion section 111 comprises a coaxial connection and is used for coaxially sleeving the connecting section 112 to the outer peripheral wall of one end of the piston 100, the expansion section 111 is of a circular truncated cone-shaped structure, the outer diameter of the expansion section 111 is gradually increased from the expansion section 111 to the connecting section 112, the expansion section 112 extends to the connecting section 112 in a transition mode, one end of the pushing sleeve 12 is provided with a plurality of gaps 121 which are arranged at intervals, one end of the pushing sleeve 12 is divided into a plurality of valve bodies, one end of the pushing sleeve 12 can be slidably sleeved on the expansion section 111, the other end of the pushing sleeve 12 is sealed through a supporting plate 122, and the pushing ring 13 can be slidably sleeved on the pushing sleeve 12 and the connecting section 112.
The sizing cylinder 2 comprises a reduced section 21 and a guide section 22 for sliding fit with the outer peripheral wall of one end of the piston 100, the reduced section 21 and the guide section 22 are coaxially connected (see fig. 3), the outer diameter of the reduced section 21 is gradually reduced from the reduced section 21 to the guide section 22, and the reduced section is transitedly extended to the guide section 22.
To the utility model provides an installation frock for glary circle, when the sealed slot of installation glary circle to piston 100, at first, establish rubber ring 300 cover to the sealed slot of piston 100 in. Then, the connecting section 112 of the expansion cylinder 11 is coaxially sleeved on the piston 100, and the polytetrafluoroethylene ring 200 is coaxially sleeved on the expansion section 111. Then, one end of the pushing sleeve 12 is sleeved on the expanding section 111, the pushing sleeve 12 is pushed downwards to move, and in the process that the pushing sleeve 12 is pushed downwards, the valve bodies can be uniformly expanded outwards and push the polytetrafluoroethylene ring 200 to slide downwards to the connecting section 112, so that the polytetrafluoroethylene ring 200 can be expanded outwards conveniently and conveniently, the stress is uniform, and the installation difficulty of the Glare ring is reduced.
When the strokes of the teflon ring 200 and the sealing groove of the piston 100 are relatively close, the teflon ring 200 is pushed into the sealing groove of the piston 100 from the connecting section 112 through the pushing sleeve 12 (the teflon ring 200 is sleeved on the rubber ring 300). When the stroke of the sealing groove of the teflon ring 200 and the piston 100 is far (the pushing sleeve 12 cannot push the teflon ring 200 to reach the sealing groove), the teflon ring 200 is pushed to the connecting section 112 through the pushing sleeve 12, then the pushing ring 13 slides (the pushing ring 13 slides to the connecting section 112 and the surface of the piston 100 from the pushing sleeve 12), and is continuously pushed on the surfaces of the connecting section 112 and the piston 100 through the pushing ring 13 until the teflon ring 200 is pushed to the sealing groove of the piston 100, so that the range of the teflon ring 200 can be enlarged, and the application range is widened.
Finally, the pusher assembly 1 is removed, one end of the piston 100 is inserted coaxially into the reduced section 21, and the setting cylinder 2 is moved downward. The guiding section 22 is slidably engaged with the piston 100 to guide the piston 100, and the reduced section 21 uniformly extrudes the ptfe ring 200 with a larger deformation until it is shrunk to an assembly size, so as to achieve the restoring effect (see fig. 4).
That is to say, the embodiment of the utility model provides a pair of an installation frock for greige circle, not only can conveniently realize expanding polytetrafluoroethylene circle 200 outward, and the atress is even, and the scope of increase polytetrafluoroethylene circle 200 propelling movement improves application scope, can also recover the shrink that warp great polytetrafluoroethylene circle 200, improves the sealing quality of greige circle.
It will be readily appreciated that the support plate 122 ensures roundness of the pushing sleeve 12, facilitating uniform pushing of the ptfe ring 200 circumferentially thereof.
With continued reference to fig. 1, the outer diameter of the support plate 122 is greater than the outer diameter of the push sleeve 12.
In the above embodiment, the outer diameter of the supporting plate 122 is larger than the outer diameter of the pushing sleeve 12, so that the supporting plate can be lifted up by an external force, and the pushing sleeve 12 can be taken down after pushing is completed.
Fig. 5 is a schematic structural diagram of a fixing seat provided in an embodiment of the present invention, and as shown in fig. 1 and fig. 5, the installation tool further includes a fixing seat 3 for supporting the other end of the piston 100.
In the above embodiment, the fixed seat 3 supports the piston 100.
Illustratively, the fixing base 3 comprises a bottom plate 31 and a connecting column 32 for being inserted into an inner hole of the piston 100, and the bottom plate 31 and the connecting column 32 are vertically connected, so that the piston 100 can vertically act on the bottom plate 31, and uniform stress on the piston 100 is ensured.
It should be noted that the fixing base 3 may also be supported by other structural forms, such as: the backing plate, the utility model discloses do not limit to this.
Fig. 6 is a schematic structural diagram of a push ring according to an embodiment of the present invention, and as shown in fig. 1 and fig. 6, an outer peripheral wall of the push ring 13 has an outer flange 131.
In the above embodiment, pushing of the push ring 13 is facilitated by the outer flange 131.
Illustratively, the generatrix of the divergent section 111 and the axis of the divergent section 111 form an angle α of 3-5 °. In order to avoid the situation that the polytetrafluoroethylene ring 200 is difficult to recover due to large deformation, the wall thickness of the connecting section 112 should be as small as possible on the basis of ensuring certain strength of the connecting section 112 during design, and the wall thickness of the connecting section 112 can be 1-1.5 mm.
Illustratively, the included angle β between the generatrix of the reduced section 21 and the axis of the reduced section 21 is 2-5 °.
In order to avoid the damage of the polytetrafluoroethylene ring 200, the expansion cylinder 11, the pushing sleeve 12, the pushing ring 13 and the shaping cylinder 2 are made of non-metallic materials such as nylon.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. The installation tool for the Glare ring is characterized by comprising a pushing assembly (1) and a shaping cylinder (2);
the pushing assembly (1) comprises an expansion cylinder (11), a pushing sleeve (12) and a pushing ring (13), the expansion cylinder (11) comprises an expansion section (111) and a connecting section (112), wherein the expansion section (111) is coaxially connected with the connecting section, the expansion section (111) is of a circular truncated cone-shaped structure, the outer diameter of the expansion section (111) is gradually increased from the expansion section (111) to the connecting section (112), and extends to the connecting section (112) in a transition way, one end of the pushing sleeve (12) is provided with a plurality of gaps (121) arranged at intervals, so as to divide one end of the pushing sleeve (12) into a plurality of petal bodies, one end of the pushing sleeve (12) can be sheathed on the expanding section (111) in a sliding way, the other end of the pushing sleeve (12) is sealed through a supporting plate (122), and the pushing ring (13) is slidably sleeved on the pushing sleeve (12) and the connecting section (112);
the shaping cylinder (2) comprises a reduced section (21) and a guide section (22) which is used for being in sliding fit with the outer peripheral wall of one end of the piston (100), the reduced section (21) and the guide section (22) are coaxially connected, the outer diameter of the reduced section (21) is gradually reduced from the reduced section (21) to the guide section (22), and the reduced section is transitedly extended to the guide section (22).
2. The mounting tooling for the greige ring of claim 1, characterized in that the outer diameter of the support plate (122) is larger than the outer diameter of the push sleeve (12).
3. The mounting tool for the Glare ring according to claim 1, characterized by further comprising a fixing seat (3) for supporting the other end of the piston (100).
4. The mounting tool for the Glare ring according to claim 3, characterized in that the fixing seat (3) comprises a bottom plate (31) and a connecting column (32) used for being inserted into an inner hole of the piston (100), and the bottom plate (31) is vertically connected with the connecting column (32).
5. The mounting tooling for the Glassy ring according to claim 1, characterized in that the peripheral wall of the push ring (13) has an outer flange (131).
6. The mounting tool for the Glassy circle according to any one of claims 1-5, characterized in that the included angle between the generatrix of the expansion section (111) and the axis of the expansion section (111) is 3-5 °.
7. The mounting tool for the Glare ring according to any one of claims 1 to 5, characterized in that the included angle between the generatrix of the reduced section (21) and the axis of the reduced section (21) is 2-5 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221615343.5U CN217513786U (en) | 2022-06-24 | 2022-06-24 | A installation frock for glacier circle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221615343.5U CN217513786U (en) | 2022-06-24 | 2022-06-24 | A installation frock for glacier circle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217513786U true CN217513786U (en) | 2022-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221615343.5U Active CN217513786U (en) | 2022-06-24 | 2022-06-24 | A installation frock for glacier circle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217513786U (en) |
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2022
- 2022-06-24 CN CN202221615343.5U patent/CN217513786U/en active Active
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