CN216279388U - Shield constructs main drive VD sealing member - Google Patents
Shield constructs main drive VD sealing member Download PDFInfo
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- CN216279388U CN216279388U CN202122967903.5U CN202122967903U CN216279388U CN 216279388 U CN216279388 U CN 216279388U CN 202122967903 U CN202122967903 U CN 202122967903U CN 216279388 U CN216279388 U CN 216279388U
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- lip body
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- inner lip
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Abstract
The utility model relates to a shield main drive VD (vacuum degassing) sealing element which comprises a sealing inner lip body, a sealing outer lip body and a sealing ring body, wherein the sealing inner lip body is arranged on the inner side of the sealing ring body, the sealing outer lip body is arranged on the outer side of the sealing ring body, and a V-shaped sealing groove is formed between the sealing inner lip body and the sealing outer lip body. According to the shield main drive VD sealing element, the sealing inner lip body, the sealing outer lip body and the sealing ring body are structurally arranged, so that the stability is good after the sealing inner lip body, the sealing outer lip body and the sealing ring body are embedded into a groove, and the sealing performance and the wear resistance are good.
Description
Technical Field
The utility model relates to the technical field related to shield sealing, in particular to a shield main drive VD sealing element.
Background
A shield machine is a tunnel boring machine using a shield method. The shield construction method is a "shield" (referred to as a supporting segment) for constructing (laying) a tunnel while a heading machine is heading, and is different from an open construction method. Internationally, generalized shield machines can also be used in rock formations, differing only from open (non-shield) tunnel boring machines. In China, the tunnel boring machine used for the soft soil stratum is customarily called a (narrow sense) shield machine, and the tunnel boring machine used for the rock stratum is called a (narrow sense) TBM. The shield main driving sealing element is an essential key component in the normal operation process. The sealing assembly commonly used in the prior art is of a sealing ring, a sealing ring and the like, and is poor in stability after being embedded into a groove, so that the sealing effect and the wear resistance are poor.
In view of the above-mentioned drawbacks, the present designer is actively making research and innovation to create a shield driving VD sealing element, which has industrial value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model aims to provide a shield main drive VD sealing element.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a shield constructs main drive VD sealing member, including the sealed inner lip body, sealed outer lip body and sealing ring body, the inboard on the sealing ring body is provided with the sealed inner lip body, the outside on the sealing ring body is provided with the sealed outer lip body, be provided with V type seal groove between the sealed inner lip body and the sealed outer lip body, the bottom of sealing ring body is provided with the horizontal contact terminal of sealing ring, the right side of sealing ring body is provided with the vertical contact terminal of sealing ring, the outside of sealed outer lip body is provided with the first slope contact terminal of outer lip body, the top of sealed outer lip body is provided with the second slope contact terminal of outer lip body, the inboard of sealed outer lip body is provided with the fourth slope contact terminal of outer lip body, the inboard of sealed inner lip body is provided with the first vertical contact terminal of inner lip body, the top of sealed inner lip body is provided with the horizontal contact terminal of inner lip body, the outside of sealed inner lip body is provided with the vertical contact terminal of inner lip body, and a second arc transition end is arranged at the bottom of the V-shaped sealing groove between the first vertical contact end of the inner lip body and the fourth inclined contact end of the outer lip body.
As a further improvement of the utility model, a first circular arc transition end is arranged between the vertical contact end of the sealing ring and the first inclined contact end of the outer lip body.
As a further improvement of the utility model, a first chamfer is arranged between the horizontal contact end of the sealing ring and the second vertical contact end of the inner lip body, and a second chamfer is arranged between the second vertical contact end of the inner lip body and the horizontal contact end of the inner lip body.
As a further improvement of the utility model, the first chamfer angle and the second chamfer angle are both 30-45 degrees.
As a further improvement of the utility model, a fillet is also arranged between the horizontal contact end and the vertical contact end of the sealing ring.
As a further improvement of the utility model, a third inclined contact end of the outer lip body is also arranged between the second inclined contact end of the outer lip body and the fourth inclined contact end of the outer lip body.
As a further improvement of the present invention, the height of the seal inner lip body in the vertical direction is higher than the height of the seal outer lip body in the vertical direction.
By the scheme, the utility model at least has the following advantages:
according to the shield main drive VD sealing element, the sealing inner lip body, the sealing outer lip body and the sealing ring body are structurally arranged, so that the stability is good after the sealing inner lip body, the sealing outer lip body and the sealing ring body are embedded into a groove, and the sealing performance and the wear resistance are good.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed 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 invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of a shield main drive VD seal of the present invention;
fig. 2 is a sectional view of fig. 1.
In the drawings, the meanings of the reference numerals are as follows.
2V-shaped sealing groove of 1 sealing inner lip body
3 sealing outer lip body 4 sealing ring body
5 horizontal contact end 6 first chamfer of sealing ring
7 fillet 8 sealing ring vertical contact end
9 first arc transition end 10 first inclined contact end of outer lip body
11 second inclined outer lip contact end 12 third inclined outer lip contact end
13 first vertical contact end of inner lip body 14 horizontal contact end of inner lip body
15 second chamfer 16 second vertical contact end of inner lip body
17 fourth inclined contact end of outer lip body 18 second arc transition end
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in figures 1-2 of the drawings,
a shield main drive VD sealing element comprises a sealing inner lip body 1, a sealing outer lip body 3 and a sealing ring body 4, wherein the sealing inner lip body 1 is arranged on the inner side of the sealing ring body 4, the sealing outer lip body 3 is arranged on the outer side of the sealing ring body 4, a V-shaped sealing groove 2 is arranged between the sealing inner lip body 1 and the sealing outer lip body 3, a sealing ring horizontal contact end 5 is arranged at the bottom of the sealing ring body 4, a sealing ring vertical contact end 8 is arranged on the right side of the sealing ring body 4, an outer lip body first inclined contact end 10 is arranged on the outer side of the sealing outer lip body 3, an outer lip body second inclined contact end 11 is arranged at the top of the sealing outer lip body 3, an outer lip body fourth inclined contact end 17 is arranged on the inner side of the sealing outer lip body 3, an inner lip body first vertical contact end 13 is arranged on the inner side of the sealing inner lip body 1, an inner lip body horizontal contact end 14 is arranged at the top of the sealing inner lip body 1, an inner lip body second vertical contact end 16 is arranged on the outer side of the sealed inner lip body 1, and a second arc transition end 18 is arranged at the bottom of the V-shaped sealing groove 2 between the inner lip body first vertical contact end 13 and the outer lip body fourth inclined contact end 17.
Preferably, a first circular arc transition end 9 is arranged between the vertical contact end 8 of the sealing ring and the first inclined contact end 10 of the outer lip body.
Preferably, a first chamfer 6 is provided between the seal ring horizontal contact end 5 and the inner lip body second vertical contact end 16, and a second chamfer 15 is provided between the inner lip body second vertical contact end 16 and the inner lip body horizontal contact end 14.
Preferably, the first chamfer 6 and the second chamfer 15 are both 30-45 degrees.
Preferably, a fillet 7 is further arranged between the horizontal contact end 5 of the sealing ring and the vertical contact end 8 of the sealing ring.
Preferably, an outer lip body third inclined contact end 12 is further arranged between the outer lip body second inclined contact end 11 and the outer lip body fourth inclined contact end 17.
Preferably, the height of the seal inner lip body 1 in the vertical direction is higher than the height of the seal outer lip body 3 in the vertical direction.
According to the shield main drive VD sealing element, the sealing inner lip body, the sealing outer lip body and the sealing ring body are structurally arranged, so that the stability is good after the sealing inner lip body, the sealing outer lip body and the sealing ring body are embedded into a groove, and the sealing performance and the wear resistance are good.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly referring to the number of technical features being grined. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection: either mechanically or electrically: the terms may be directly connected or indirectly connected through an intermediate member, or may be a communication between two elements.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a shield constructs main drive VD sealing member, its characterized in that, including sealed inner lip body (1), sealed outer lip body (3) and sealing ring body (4), inboard on sealing ring body (4) is provided with sealed inner lip body (1), the outside on sealing ring body (4) is provided with sealed outer lip body (3), be provided with V type seal groove (2) between sealed inner lip body (1) and sealed outer lip body (3), the bottom of sealing ring body (4) is provided with sealing ring horizontal contact jaw (5), the right side of sealing ring body (4) is provided with the vertical contact jaw (8) of sealing ring, the outside of sealed outer lip body (3) is provided with the first slope contact jaw (10) of outer lip body, the top of sealed outer lip body (3) is provided with outer lip body second slope contact jaw (11), the inboard of sealed outer lip body (3) is provided with outer lip body fourth slope contact jaw (17), the inboard of the sealed inner lip body (1) is provided with the first vertical contact jaw (13) of inner lip body, the top of the sealed inner lip body (1) is provided with the horizontal contact jaw (14) of inner lip body, the outside of the sealed inner lip body (1) is provided with the vertical contact jaw (16) of inner lip body second, the bottom of the V type seal groove (2) between the first vertical contact jaw (13) of inner lip body and the fourth slope contact jaw (17) of outer lip body is provided with second circular arc transition end (18).
2. A shield main drive VD seal according to claim 1, characterized in that a first rounded transition end (9) is provided between the vertical contact end (8) of the sealing ring and the first inclined contact end (10) of the outer lip body.
3. A shield main drive VD seal according to claim 1, characterized in that a first chamfer (6) is provided between the seal ring horizontal contact end (5) and the inner lip body second vertical contact end (16), and a second chamfer (15) is provided between the inner lip body second vertical contact end (16) and the inner lip body horizontal contact end (14).
4. A shield main drive VD seal according to claim 3, characterized in that the first chamfer (6) and the second chamfer (15) are both 30-45 degrees.
5. A shield main drive VD seal according to claim 1, characterized in that a fillet (7) is further provided between the horizontal seal ring contacting end (5) and the vertical seal ring contacting end (8).
6. A shield main drive VD seal according to claim 1, characterized in that a third inclined contact end (12) of the outer lip body is further provided between the second inclined contact end (11) of the outer lip body and the fourth inclined contact end (17) of the outer lip body.
7. A shield main drive VD seal according to claim 1, characterized in that the height of the seal inner lip body (1) in the vertical direction is higher than the height of the seal outer lip body (3) in the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122967903.5U CN216279388U (en) | 2021-11-30 | 2021-11-30 | Shield constructs main drive VD sealing member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122967903.5U CN216279388U (en) | 2021-11-30 | 2021-11-30 | Shield constructs main drive VD sealing member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216279388U true CN216279388U (en) | 2022-04-12 |
Family
ID=81041006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122967903.5U Active CN216279388U (en) | 2021-11-30 | 2021-11-30 | Shield constructs main drive VD sealing member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216279388U (en) |
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2021
- 2021-11-30 CN CN202122967903.5U patent/CN216279388U/en active Active
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