CN213064361U - Sealing device - Google Patents
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- CN213064361U CN213064361U CN202021863826.8U CN202021863826U CN213064361U CN 213064361 U CN213064361 U CN 213064361U CN 202021863826 U CN202021863826 U CN 202021863826U CN 213064361 U CN213064361 U CN 213064361U
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- 238000007789 sealing Methods 0.000 title claims abstract description 151
- 230000033001 locomotion Effects 0.000 claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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Abstract
The application provides a sealing device, relates to production manufacturing apparatus technical field. The sealing device comprises a sealing body, a sealing plate and a linear motion sealing assembly. The opening of sealing body can be blocked to the closing plate, the closing plate and/or the sealing body has the guide piece mounting hole, and linear motion seal assembly includes first sealing washer and sealing gasket group, and the guide piece can be installed in the guide piece mounting hole, and the slider can the relative guide piece motion, and the cover is equipped with first sealing washer and sealing gasket group on the slider, and first sealing washer and sealing gasket group are extruded by guide piece and closing plate and/or are extruded by guide piece and sealing body simultaneously at the direction of motion of slider simultaneously. This application sealing device can guarantee the sealed of guide member mounting hole department through linear motion seal assembly, satisfies the sealed demand in the manufacturing.
Description
Technical Field
The application relates to the technical field of production and manufacturing tools, in particular to a sealing device.
Background
The sealing device is a common component on a production line, and the sealing performance is generally ensured by selecting sealing rings, coating sealing glue and other modes in the prior art. The matching of the linear bearing and the cavity has influence on the air tightness of the cavity.
The linear bearing is sealed by means of a sealing ring, a sealing cover and the like, and the sealing effect is poor. The sealing performance of the sealing device cannot be guaranteed well by the general sealing mode.
SUMMERY OF THE UTILITY MODEL
An object of the present application is to provide a sealing device that can improve the problem of poor sealing performance when a linear bearing is mounted in an existing sealing device.
The embodiment of the application is realized as follows:
embodiments of the present application provide a sealing device, comprising: the sealing body, the sealing plate and the linear motion sealing assembly;
the sealing plate can block the opening of the sealing body, the sealing plate and/or the sealing body is provided with a guide piece mounting hole, the linear motion sealing assembly comprises a first sealing ring and a sealing gasket group, the guide piece can be mounted in the guide piece mounting hole, the sliding piece can move relative to the guide piece, the sliding piece is sleeved with the first sealing ring and the sealing gasket group, and the first sealing ring and the sealing gasket group are simultaneously extruded by the guide piece and the sealing plate and/or simultaneously extruded by the guide piece and the sealing body in the moving direction of the sliding piece.
The first sealing ring and the sealing gasket are sleeved on the sliding part and are extruded and extruded at the bearing mounting hole by the guide piece and the sealing plate and/or the guide piece and the sealing body simultaneously, so that the sealing device can still have good sealing performance under the condition of mounting a mechanism for external transmission.
In an optional embodiment of the present application, the sealing gasket group includes first arc-shaped gaskets and second arc-shaped gaskets, the first sealing rings, the first arc-shaped gaskets, and the second arc-shaped gaskets are alternately arranged, and a first arc-shaped gasket is disposed between two adjacent first sealing rings.
First sealing washer is at the extruded in-process, can agree with mutually with the arcwall face of first arc gasket and second arc gasket to improve its leakproofness.
In an optional embodiment of the present application, the first arc-shaped gasket is a double-sided arc-shaped gasket, the second arc-shaped gasket is a single-sided arc-shaped gasket, an arc surface portion of the single-sided arc-shaped gasket abuts against the first seal ring, and a plane portion of the single-sided arc-shaped gasket abuts against an end surface of the linear bearing.
Two arcwall faces of the double-sided arc gasket can be matched with the two first sealing rings respectively, the arcwall face of the single-sided arc gasket can be matched with the first sealing rings, and the plane part can be matched with the end face of the linear bearing tightly, so that the air tightness between the linear bearing and the sealing plate cannot be influenced by the movement of the guide rod.
In an optional embodiment of the present application, the number of the first seal rings is two, the number of the double-sided arc-shaped gaskets is one and is disposed between the two first seal rings, the number of the single-sided arc-shaped gaskets is one, and the single-sided arc-shaped gaskets are disposed above the first seal rings.
In this application's optional embodiment, the quantity of first sealing washer is two, the quantity of two-sided arc gasket is one and sets up in two between the first sealing washer, the quantity of single face arc gasket is two, one of them single face arc gasket set up in being located the top of first sealing washer, the other one single face arc gasket set up in being located the below of first sealing washer.
In an optional embodiment of the present application, the linear motion seal assembly further includes a second seal ring, the second seal ring is disposed between the linear bearing and the seal plate and/or between the linear bearing and the seal body, and the second seal ring is disposed at an outer periphery of the guide mounting hole.
The second sealing ring can further improve the sealing performance between the linear bearing and the sealing plate and/or between the linear bearing and the sealing body. Prevent the guide mounting hole from passing through the fluid such as gas.
In an alternative embodiment of the present application, a third sealing ring is provided between the sealing plate and the sealing body.
Also set up the sealing washer between closing plate and seal, can have better block effect to the opening of seal, avoid the junction gas tightness of closing plate and seal to receive the influence.
The sealing device ensures the sealing at the mounting hole of the guide piece through the matching of the transmission structure and the linear motion sealing assembly, and can meet different requirements in production and manufacturing.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a schematic view of a seal plate and linear bearing assembly, linear motion seal assembly of a sealing device provided in application example 1;
FIG. 2 is a schematic view of the back side of the sealing plate;
FIG. 3 is a schematic view of another perspective of FIG. 1;
fig. 4 is a partial enlarged view of a portion B of fig. 3;
fig. 5 is a schematic view of a sealing device provided in example 1 of the present application.
Icon: 10-sealing plate; 31-linear bearings; 32-a guide bar; 33-a first arc shim; 34-a second arcuate shim; 102-a first seal ring; 103-a second sealing ring; 104-a third sealing ring; 105-a seal groove; 1000-sealing body.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the product conventionally places when used, and are only used for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Example 1
Referring to fig. 1 to 5, an embodiment of the present application provides a sealing device, including: a seal body 1000, a seal plate 10 and a linear motion seal assembly.
The sealing plate 10 can block an opening of the sealing body 1000, the sealing plate 10 and/or the sealing body 1000 is provided with a guide piece mounting hole 12, the linear motion sealing assembly comprises a first sealing ring 102 and a sealing gasket group, the guide piece can be mounted in the guide piece mounting hole 12, the sliding piece can move relative to the guide piece, the sliding piece is sleeved with the first sealing ring 102 and the sealing gasket group, and the first sealing ring 102 and the sealing gasket group are simultaneously extruded by the guide piece and the sealing plate 10 and/or the guide piece and the sealing body 1000 in the moving direction of the sliding piece. Wherein, the guide member and the matching sliding member are linear bearing assemblies in this embodiment, the linear bearing assemblies include a linear bearing 31 and a guide rod 32, the linear bearing 31 is the guide member, and the guide rod 32 is a sliding member which can slide in the linear bearing.
Referring to fig. 2, a third sealing ring 104 is disposed between the sealing plate 10 and the sealing body 1000. Also set up the sealing washer between closing plate 10 and seal 1000, can have better block effect to the opening of seal 1000, avoid closing plate 10 and seal 1000's junction gas tightness to receive the influence.
Specifically, the first seal ring 102 and the seal gasket are sleeved on the guide rod 32 and are pressed at the bearing mounting hole by the linear bearing 31 and the seal plate 10, so that the sealing device can still have good sealing performance under the condition that the linear bearing 31 is mounted. In detail, the sealing gasket group comprises a first arc-shaped gasket 33 and a second arc-shaped gasket 34, the first sealing rings 102, the first arc-shaped gasket 33 and the second arc-shaped gasket 34 are alternately arranged, and the first arc-shaped gasket 33 is arranged between every two adjacent first sealing rings 102. The first seal ring 102 can be engaged with the arc-shaped surfaces of the first arc-shaped gasket 33 and the second arc-shaped gasket 34 in the process of extrusion, so that the sealing performance is improved.
Referring to fig. 4, in the present embodiment, the first arc-shaped gasket 33 is a double-sided arc-shaped gasket, the second arc-shaped gasket 34 is a single-sided arc-shaped gasket, an arc surface portion of the single-sided arc-shaped gasket abuts against the first seal ring 102, and a plane portion of the single-sided arc-shaped gasket abuts against an end surface of the linear bearing 31. Two arc faces of the double-face arc gasket can be respectively matched with the two first sealing rings 102, the arc face of the single-face arc gasket can be matched with the first sealing rings 102, and the plane part can be tightly matched with the end face of the linear bearing 31, so that the air tightness between the linear bearing 31 and the sealing plate 10 cannot be influenced by the movement of the guide rod 32.
Optionally, a single-sided arc gasket may be further disposed at the bottom of the first sealing ring 102 at the bottom of fig. 4, wherein the arc surface of the gasket is attached to the first sealing ring 102, and the flat surface of the gasket is attached to the sealing plate 10.
Optionally, the number of the first sealing rings 102, the number of the first arc-shaped gaskets 33, and the number of the second arc-shaped gaskets 34 may be selected, for example, when the thickness of the cavity plate is thicker, more sealing rings or arc-shaped gaskets may be added.
Further, the linear motion seal assembly of the present embodiment further includes a second seal ring 103, the second seal ring 103 is disposed between the linear bearing 31 and the seal plate 10 and/or between the linear bearing 31 and the seal body 1000, and the second seal ring 103 is disposed on the outer periphery of the guide mounting hole 12. The second seal ring 103 can further improve the sealing property between the linear bearing 31 and the seal plate 10. The guide fitting hole 12 is prevented from being penetrated by a fluid such as gas.
In the prior art, means such as a seal ring and a seal cover are often used for a sealing device that requires the use of the linear bearing 31, but it is known from practice that such a method is inferior in sealing effect.
The embodiment has adopted flat curved second arc gasket 34 and first sealing washer 102, two-sided arc gasket and first sealing washer 102 to make up down, and in the motion process of guide bar 32, the arc gasket can effectively ensure the gas tightness of guide mounting hole 12 department because of the deformation of the first sealing washer 102 of arcwall face cooperation, has both satisfied the demand of using linear bearing 31, has improved sealed effect than prior art again, more does benefit to the use.
To sum up, the sealing device of this application ensures the sealed of guide member mounting hole 12 department through linear bearing subassembly and linear motion seal assembly's cooperation, can satisfy the sealed demand in the manufacturing.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (7)
1. A seal assembly, comprising: the sealing body, the sealing plate and the linear motion sealing assembly;
the sealing plate can block the opening of the sealing body, the sealing plate and/or the sealing body is provided with a guide piece mounting hole, the linear motion sealing assembly comprises a first sealing ring and a sealing gasket group, the guide piece can be mounted in the guide piece mounting hole, the sliding piece can move relative to the guide piece, the sliding piece is sleeved with the first sealing ring and the sealing gasket group, and the first sealing ring and the sealing gasket group are simultaneously extruded by the guide piece and the sealing plate and/or simultaneously extruded by the guide piece and the sealing body in the moving direction of the sliding piece.
2. The sealing device according to claim 1, wherein the sealing gasket group comprises first arc-shaped gaskets and second arc-shaped gaskets, the first sealing rings, the first arc-shaped gaskets and the second arc-shaped gaskets are alternately arranged, and the first arc-shaped gaskets are arranged between every two adjacent first sealing rings.
3. The sealing device of claim 2, wherein the first arcuate gasket is a double-sided arcuate gasket, the second arcuate gasket is a single-sided arcuate gasket, an arcuate portion of the single-sided arcuate gasket abuts against the first seal ring, the guide member is a linear bearing, and a planar portion of the single-sided arcuate gasket abuts against an end face of the linear bearing.
4. The sealing device according to claim 3, wherein the number of the first seal rings is two, the number of the double-sided arc gaskets is one and is disposed between the two first seal rings, the number of the single-sided arc gaskets is one, and the single-sided arc gasket is disposed above the first seal ring located above.
5. The sealing device according to claim 3, wherein the number of the first sealing rings is two, the number of the double-sided arc gaskets is one and is disposed between the two first sealing rings, and the number of the single-sided arc gaskets is two, one of the single-sided arc gaskets is disposed above the first sealing ring located above, and the other one of the single-sided arc gaskets is disposed below the first sealing ring located below.
6. The sealing device of claim 1, wherein the linear motion seal assembly further comprises a second seal ring, the guide is a linear bearing, and the second seal ring is disposed between the linear bearing and the seal plate and/or between the linear bearing and the seal body, the second seal ring being disposed at an outer periphery of the guide mounting hole.
7. The sealing device of claim 1, wherein a third seal ring is disposed between the seal plate and the seal body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021863826.8U CN213064361U (en) | 2020-08-31 | 2020-08-31 | Sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021863826.8U CN213064361U (en) | 2020-08-31 | 2020-08-31 | Sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213064361U true CN213064361U (en) | 2021-04-27 |
Family
ID=75555580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021863826.8U Active CN213064361U (en) | 2020-08-31 | 2020-08-31 | Sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213064361U (en) |
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2020
- 2020-08-31 CN CN202021863826.8U patent/CN213064361U/en active Active
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