CN212776114U

CN212776114U - Pressure-resistant pipeline sealing device

Info

Publication number: CN212776114U
Application number: CN202021080552.5U
Authority: CN
Inventors: 林水根; 廖文树; 吴佳瑜; 吴汉金
Original assignee: Fujian Liya New Material Co ltd
Current assignee: Fujian Liya New Material Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-03-23
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses a withstand voltage type pipe-line sealing device, its structure includes the staple bolt body, sealing device includes O type sealing washer, O type sealing washer support, pipe joint and resistance to pressure ring, form the holding draw-in groove between O type sealing washer support's outer convex part and the O type sealing washer support, O type sealing washer cover is established in the holding draw-in groove, the resistance to pressure ring sets up between O type sealing washer support and pipe joint, and O type sealing washer support and pipe joint's one end all imbeds to the resistance to pressure ring in, the O type sealing washer is built-in to the resistance to pressure ring in. After the technical scheme is adopted, the utility model discloses a withstand voltage type pipe sealing device for under the circumstances of evacuation is relapse in the high vacuum, can overcome and lead to its deformation at many times dismouting sealing washer, and can not reach better sealed effect, can overcome the easy ageing problem of sealing washer in irradiation process simultaneously, improved the effect of evacuation, sealing performance is better, can not appear leaking gas under the circumstances of towards the malleation yet.

Description

Pressure-resistant pipeline sealing device

Technical Field

The utility model relates to a withstand voltage type pipe seal device.

Background

Under the condition that the high vacuum degree is less than 1Pa, the existing pipeline sealing ring cannot meet the requirement of the vacuum degree, the phenomenon of air leakage exists, the sealing ring is easy to deform in the repeated inflation and vacuum pumping process, and the pipeline sealing ring is easy to age in the irradiation process.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model provides a withstand voltage type pipe sealing device.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a withstand voltage type pipeline sealing device, its structure includes the staple bolt body, locates this internal sealing device of staple bolt, sealing device includes O type sealing washer, O type sealing washer support, pipe joint and withstand voltage ring, have an outer convex part that extends along its length direction on the side of O type sealing washer support, form the holding draw-in groove of a retraction formula between this outer convex part and the O type sealing washer support, O type sealing washer cover is established in the holding draw-in groove, withstand voltage ring setting is between O type sealing washer support and pipe joint to the one end of O type sealing washer support and pipe joint all imbeds to withstand voltage ring, and wherein, whole O type sealing washer is built-in to withstand voltage intra-annular.

Preferably, the length of the male portion is shorter than the length of the pressure ring.

Preferably, the staple bolt body includes first staple bolt piece and the second staple bolt piece that sets up with first staple bolt piece symmetry, all have an circular arc inner groovy on the middle part of first staple bolt piece and second staple bolt piece, first staple bolt piece rotates through the extension board that is equipped with the one end of second staple bolt piece to be connected, and the other end of this first staple bolt piece and second staple bolt piece all is provided with a U type groove, is located the horizontal transverse shaft that is provided with in the U type groove of second staple bolt piece, rotate on the transverse shaft and be connected with a locking lever.

Preferably, the sealing device is movably connected in the arc inner groove of the second hoop sheet.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:

the utility model provides a pressure-resistant pipeline sealing device, through adopting the sealing device that comprises the combination of O type sealing washer, O type sealing washer support, pipeline joint and resistance to pressure ring etc. for under the condition of high vacuum repeated evacuation, can overcome and lead to its deformation in many times dismouting sealing washer, and can not reach better sealed effect, sealed effect is better; meanwhile, the problem that a sealing ring is easy to age in the irradiation process can be solved, the vacuumizing effect is improved, the sealing performance is better, and air leakage can not occur under the positive pressure charging condition.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is the structural schematic diagram of the pressure-resistant pipe sealing device of the present invention.

In the figure: 1. the hoop body; an O-ring seal; an O-shaped seal ring support; 22a, an outer convex part; 23. a pipe joint; 24. a pressure ring; 31. a first hoop sheet; 32. a second hoop sheet; 33. an arc inner groove; 34. a support plate; 35, a U-shaped groove; 36. a locking lever.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

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 the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Examples

Referring to fig. 1, a pressure-resistant pipeline sealing device structurally comprises a hoop body 1 and a sealing device arranged in the hoop body, wherein the sealing device comprises an O-shaped sealing ring 21, an O-shaped sealing ring support 22, a pipeline joint 23 and a pressure-resistant ring 24, an outer convex part 22a extending along the length direction of the O-shaped sealing ring support 22 is arranged on one side surface of the O-shaped sealing ring support 22, a retraction type accommodating clamping groove is formed between the outer convex part 22a and the O-shaped sealing ring support 22, the O-shaped sealing ring 21 is sleeved in the accommodating clamping groove, the pressure-resistant ring 24 is arranged between the O-shaped sealing ring support 22 and the pipeline joint 23, one end of the O-shaped sealing ring support 22 and one end of the pipeline joint 23 are embedded into the pressure-resistant ring, and the whole O-shaped sealing ring 21 is embedded. After the structure is adopted, the pressure-resistant pipeline sealing device provided by the utility model is formed by combining the O-shaped sealing ring, the O-shaped sealing ring bracket, the pipeline joint, the pressure-resistant ring and the like, so that the sealing effect is better under the condition of repeatedly vacuumizing in high vacuum, and the phenomenon that the sealing ring is deformed due to repeated disassembling and assembling can be overcome, and the better sealing effect can not be achieved; meanwhile, the problem that a sealing ring is easy to age in the irradiation process can be solved, the vacuumizing effect is improved, the sealing performance is better, and air leakage can not occur under the positive pressure charging condition.

Further, the length of the male portion 22a is shorter than the length of the pressure ring 24.

Further, the staple bolt body includes first staple bolt piece 31 and the second staple bolt piece 32 that sets up with first staple bolt piece symmetry, all have a circular arc inner groovy 33 on the middle part of first staple bolt piece 31 and second staple bolt piece 32, first staple bolt piece 31 passes through extension board 34 with the one end of second staple bolt piece 32 and rotates and be connected, this first staple bolt piece 31 and the other end of second staple bolt piece 32 all are provided with a U type groove 35, be located the horizontal transverse axis that is provided with in the U type groove of second staple bolt piece, rotate on the transverse axis and be connected with a locking lever 36.

Further, the sealing device is movably connected in the arc inner groove of the second hoop sheet 32.

During the use, install O type sealing washer on O type sealing washer support earlier, all imbed the withstand voltage ring with the one end of O type sealing washer support, the one end of pipe joint in succession respectively, at this moment, whole O type sealing washer is built-in the withstand voltage ring, then puts into whole sealing device to the circular arc inner groovy of second staple bolt piece, and immediately, on covering first staple bolt piece and establishing the second staple bolt piece to accomplish the locking of O type sealing washer support, withstand voltage ring and pipe joint and fix. The pressure ring is on the surface of O type sealing washer, and O type sealing washer deformation part can tightly lean on the pressure ring when the clamp is inwards locked, prevents the excessive deformation of O type sealing washer, has played better protective effect. And the pressure ring is arranged, so that the O-shaped sealing ring absorbs less radiation dose in the irradiation process, and the sealing ring is less prone to aging. In the positive pressure punching process, the O-shaped sealing ring is not easy to deform, and the gas sealing effect is better.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a withstand voltage type pipe seal device which characterized in that: the structure of the novel anchor ear comprises an anchor ear body (1) and a sealing device arranged in the anchor ear body, wherein the sealing device comprises an O-shaped sealing ring (21), an O-shaped sealing ring support (22), a pipeline joint (23) and a pressure ring (24), an outer convex part (22a) extending along the length direction of the O-shaped sealing ring support (22) is arranged on one side surface of the O-shaped sealing ring support (22), a retraction type containing clamping groove is formed between the outer convex part (22a) and the O-shaped sealing ring support (22), the O-shaped sealing ring (21) is sleeved in the containing clamping groove, the pressure ring (24) is arranged between the O-shaped sealing ring support (22) and the pipeline joint (23), one ends of the O-shaped sealing ring support (22) and the pipeline joint (23) are embedded into the pressure ring, and the whole O-shaped sealing ring (21) is embedded into the pressure ring.

2. A pressure-resistant duct sealing device as claimed in claim 1, wherein: the length of the male part (22a) is shorter than the length of the pressure ring (24).

3. A pressure-resistant duct sealing device as claimed in claim 1, wherein: the staple bolt body includes first staple bolt piece (31) and the second staple bolt piece (32) that sets up with first staple bolt piece symmetry, all have a circular arc inner groovy (33) on the middle part of first staple bolt piece (31) and second staple bolt piece (32), first staple bolt piece (31) is rotated through extension board (34) that is equipped with the one end of second staple bolt piece (32) and is connected, and the other end of this first staple bolt piece (31) and second staple bolt piece (32) all is provided with a U type groove (35), is located the horizontal transverse axis that is provided with in the U type groove of second staple bolt piece, rotate on the transverse axis and be connected with a locking lever (36).

4. A pressure-resistant duct sealing device according to claim 3, wherein: the sealing device is movably connected in an arc inner groove (33) of the second hoop sheet (32).