CN212203109U

CN212203109U - Sealing device for multiple enamelled wires passing through high-pressure container

Info

Publication number: CN212203109U
Application number: CN202020870309.7U
Authority: CN
Inventors: 王桂梅; 王丽娜; 毕琳
Original assignee: SHANDONG DRUG AND FOOD VOCATIONAL COLLEGE
Current assignee: SHANDONG DRUG AND FOOD VOCATIONAL COLLEGE
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2020-12-22
Anticipated expiration: 2030-05-22

Abstract

The utility model provides a sealing device for a plurality of enameled wires passing through a high-pressure container, which comprises a shell, a sealing component, a flange plate and a plurality of bolts; the bottom of the shell is provided with an opening to form a cavity, and the sealing component is arranged in the cavity; the flange plate is connected with the sealing component and is connected with the shell through a plurality of bolts; the top of the shell is provided with an opening, and the diameter of the opening is smaller than that of the top opening; the center of the flange plate is provided with a through hole, and the aperture of the through hole is the same as that of the hole formed in the top of the shell. The utility model discloses can realize under high-pressure environment, effective sealing when test signal transmission enameled wire is drawn forth, simple structure, convenient to use wear out when can realizing many enameled wires, realize quick installation and dismantlement, the experimental preparation cycle of shortening is tested many times of being convenient for.

Description

Sealing device for multiple enamelled wires passing through high-pressure container

Technical Field

The utility model belongs to the technical field of the threading sealing device technique and specifically relates to a many enameled wires pass through sealing device of high-pressure vessel.

Background

With the continuous progress of the test technology, the simulation of the high water pressure and high air pressure environment can be realized easily. Considering that the measurement of dynamic signals in a high-pressure environment requires the co-arrangement of a plurality of sensors, and the transmission of the dynamic signals requires the crossing of wires through a high-pressure vessel.

The pressure value in the high-pressure container is more than 4MPa, and water and gas leakage is caused by a common threading mode. When the lead passes through the high-pressure container, the problems of air leakage, water leakage and the like can not exist, so that the internal pressure is reduced, and meanwhile, the lead can not be damaged, and the complete transmission of signals is influenced. Patent CN204284677 has designed a threading sealing fixing device, but is difficult to be adapted to high pressure environment, and patent CN207113609 has designed a many enameled wires and has passed through the seal structure of high-pressure electricity bell, but uses resin sealed glue between sleeve inner chamber and the many enameled wires to seal, is difficult to dismantle repeatedly and need peel off partial enameled wire. Still other units have developed test devices that use wires running directly through the elastomeric pads. However, the above-mentioned device has a sealing problem under high pressure, and repeated disassembly and use may cause a gap between the elastic gasket and the sealing position, and water seepage, air leakage and other problems may occur under high pressure.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a many enameled wires pass through high-pressure vessel's seal structure, convenient the dismantlement, and can adapt to the high-pressure sealed condition.

The utility model provides a sealing device for a plurality of enameled wires passing through a high-pressure container, which comprises a shell, a sealing component, a flange plate and a plurality of bolts; the bottom of the shell is provided with a hole to form a cavity, and the sealing component is arranged in the cavity; the flange plate is connected with the sealing component and is connected with the shell through a plurality of bolts; the top of the shell is provided with an opening, and the diameter of the opening is smaller than that of the opening at the top; the center of the flange plate is provided with a through hole.

Further, the sealing member includes: the steel member, the two first silica gel plates and the two polytetrafluoroethylene plates; the two first silica gel plates are respectively arranged at the top and the bottom of the steel member; two trompil in the middle of the polytetrafluoroethylene board, and set up respectively two first silica gel board is kept away from steel member one side.

Further, the diameter of steel member and two first silica gel board is less than the aperture of casing bottom trompil.

Further, the sealing component further comprises two second silica gel plates, wherein holes are formed in the middle of the two second silica gel plates and are respectively arranged between the first silica gel plate and the polytetrafluoroethylene plate.

Further, the steel member includes: the two lugs are respectively arranged at the centers of the top and the bottom of the plate body.

Further, two first silica gel board is the middle plate body that has sunken, just sunken with the lug looks adaptation of steel member.

Further, the shell is made of steel and is integrally machined and formed.

Further, the top of the shell is provided with an external thread used for being connected with a high-pressure container.

Further, the flange plate includes: the tray body and the lug are arranged on the tray body; the tray body is provided with a plurality of holes, and a plurality of bolts penetrate through the holes to be connected with the bottom of the shell.

Further, the outer diameter of the lug is the same as the aperture of the hole at the bottom of the shell.

Compared with the prior art, the beneficial effects of the utility model are that: the enameled wire passes through the sealing component, so that the enameled wire is well protected; the enameled wire has no through seam when passing through the sealing component, so that high-pressure water or gas is effectively prevented from leaking, the enameled wire is particularly suitable for high-voltage tests, the signal conduction enameled wire can penetrate out of a high-pressure container, and the enameled wire has good popularization and application prospects.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front sectional view of a sealing device for a plurality of enameled wires passing through a high-pressure vessel according to an embodiment of the present invention.

Description of reference numerals:

1: a housing; 2: a polytetrafluoroethylene sheet; 3: a second silica gel plate; 4: a first silica gel plate; 5: a steel member; 6: a flange plate; 7: a bolt; 8: and (4) enameled wires.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element 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" and "first" 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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be 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 in specific cases to those skilled in the art.

As shown in fig. 1, the utility model provides a sealing device for a plurality of enameled wires passing through a high-pressure container, which comprises a shell 1, a sealing component, a flange 6 and a plurality of bolts 7; the bottom of the shell 1 is provided with a hole to form a cavity, and the sealing component is arranged in the cavity; the flange 6 is connected with the sealing component and is connected with the shell 1 through a plurality of bolts 7; the top of the shell 1 is provided with a hole, and the diameter of the hole is smaller than that of the hole; the center of the flange plate 6 is provided with a through hole, and the aperture of the through hole is the same as that of the hole at the top of the shell 1. The enameled wire 8 penetrates through an opening at the top of the shell 1, then penetrates through the sealing component and penetrates out through the flange 6. By screwing the bolts 7 on the flange 6, the sealing component is extruded, and the sealing effect of the whole device is achieved.

In a more preferred embodiment, as shown in fig. 1, the sealing member comprises: the steel member 5, the two first silica gel plates 4 and the two polytetrafluoroethylene plates 2; the two first silica gel plates 4 are respectively arranged at the top and the bottom of the steel member 5; the middle of the two polytetrafluoroethylene plates 2 is provided with a hole, the hole diameter of the middle is the same as that of the hole at the top of the shell 1, and the middle of the two polytetrafluoroethylene plates is respectively arranged on one side of the two first silica gel plates 4 far away from the steel member 5. The aperture of the middle opening of the polytetrafluoroethylene plate 2 is the same as that of the top opening of the shell 1, which is beneficial to the rapid penetration of the enameled wire 8. The arrangement of the steel member 5 enables the first silica gel plate 4 to be sufficiently extruded to fill the space. Meanwhile, through the shuttling of the enameled wires 8, no through seam exists in the sealing component, and the risk of high-pressure leakage is reduced. The flange plate 6 is screwed up by the bolts 7 to pressurize, the force can be controlled manually, and once water leakage or air leakage occurs, the flange plate can be tightened in time.

In a more preferred embodiment, as shown in fig. 1, the steel member 5 and the two first silicone plates 4 have a diameter smaller than the diameter of the hole at the bottom of the housing 1. Because the enameled wire 8 needs to pass through the flange 6 after bypassing the two first silica gel plates 4 and the steel member 5, a certain space needs to be reserved to allow the enameled wire 8 to pass through.

In a more preferred embodiment, as shown in fig. 1, the sealing member further comprises two second silicone plates 3, and the two second silicone plates 3 have openings in the middle, the diameter of the openings is the same as that of the openings at the top of the housing 1, and the openings are respectively arranged between the first silicone plate 4 and the teflon plate 2. The second silica gel plate 3 is used for providing a pre-tightening space together with the first silica gel plate 4 and fixing the steel member 5. The second silica gel plate 3 is the same as the polytetrafluoroethylene plate 2 in shape, can easily be put into and take out in the bottom cavity of the shell 1, and can be used repeatedly.

In a more preferred embodiment, as shown in fig. 1, the steel member 5 comprises: two lugs and a plate body, two lugs set up the center at plate body top and bottom respectively. The design of the projection is convenient for fixing the first silica gel plate 4.

In a more preferred embodiment, as shown in fig. 1, the two first silicone plates 4 are both plate bodies with a recess in the middle, and the recess is matched with the convex block of the steel member 5. The convex blocks of the steel member 5 and the concave parts of the two first silica gel plates 4 are matched and installed and fastened with each other.

In a more preferred embodiment, the housing 1 is made of steel and is integrally formed, does not have a weak structural surface, and has higher strength.

In a more preferred embodiment, the top of the housing 1 is provided with external threads for connection to a high pressure vessel.

In a more preferred embodiment, as shown in fig. 1, the flange 6 comprises: the lug is arranged on the tray body; a plurality of holes are arranged on the tray body, and a plurality of bolts 7 penetrate through the holes to be connected with the bottom of the shell 1. In this embodiment, 4 holes are preferably provided on the plate body, and 4 bolts 7 are connected with the bottom of the housing 1 through the holes.

In a more preferred embodiment, the outer diameter of the projection is the same as the diameter of the hole at the bottom of the housing 1, which provides a good sealing effect.

During installation, the shell 1 is installed on a high-voltage device, then the enameled wire 8 connected with the sensor penetrates out through the reserved hole, and then the enameled wire 8 sequentially penetrates through the middle opening of the polytetrafluoroethylene thin plate 2 and the middle opening of the second silica gel plate 3. Subsequently, spread many enameled wires 8, hug closely the inner wall of casing 1, put into casing 1 steel member 5 and two first silica gel sheet metals 4 afterwards, then tighten up enameled wire 8, pass through the middle trompil of second silica gel plate 3 and the middle trompil of polytetrafluoroethylene sheet metal 2 and the through-hole of ring flange 6 in proper order. Finally, the device is sealed by tightening the bolts 7. When the device is disassembled, the operation is carried out according to the reverse direction.

All materials are formed by machining, and the materials do not need to be reformed again in the test process, so that the test process is fast and efficient. The device can be disassembled for many times, and can be checked and adjusted in time when problems occur.

The utility model discloses but seal structure wide application is sealed in all kinds of pressure vessel sensor element wire, and it can effectively play a role in temperature sensor, pressure sensor, magnetic force sensor and other all kinds of sensing element's seals, and its application product field includes but not limited to: chinese medicine extracting tank, magnetic stirring kettle, steam sterilizing pot, etc.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A sealing device for a plurality of enameled wires to pass through a high-pressure container is characterized by comprising a shell (1), a sealing component, a flange plate (6) and a plurality of bolts (7); the bottom of the shell (1) is provided with an opening to form a cavity, and the sealing component is arranged in the cavity; the flange plate (6) is connected with the sealing component and is connected with the shell (1) through a plurality of bolts (7); the top of the shell (1) is provided with a hole, and the diameter of the hole is smaller than that of the hole; the center of the flange plate (6) is provided with a through hole.

2. The sealing device for a multi-enameled wire passing through a high-pressure vessel according to claim 1, wherein the sealing member comprises: the device comprises a steel member (5), two first silica gel plates (4) and two polytetrafluoroethylene plates (2); the two first silica gel plates (4) are respectively arranged at the top and the bottom of the steel member (5); two trompil in the middle of polytetrafluoroethylene board (2), and set up respectively two first silica gel board (4) is kept away from steel member (5) one side.

3. The sealing device for a multi-enamelled wire passing through a high-pressure vessel according to claim 2, characterized in that the diameter of the steel member (5) and the two first silicone plates (4) is smaller than the diameter of the hole at the bottom of the shell (1).

4. The sealing device for the multiple enameled wires to pass through the high-pressure vessel according to claim 2, wherein the sealing member further comprises two second silicone plates (3), and the two second silicone plates (3) are provided with holes in the middle and respectively arranged between the first silicone plate (4) and the polytetrafluoroethylene plate (2).

5. The sealing device for a multiple enameled wires passing through a high pressure vessel according to any one of claims 2 to 4, characterized in that the steel member (5) comprises: the two lugs are respectively arranged at the centers of the top and the bottom of the plate body.

6. The sealing device for a multi-enamelled wire passing through a high-pressure vessel according to claim 5, characterized in that both the first silicone plates (4) are plate bodies with a recess in the middle, and the recess is matched with the projection of the steel member (5).

7. The sealing device for a plurality of enameled wires passing through a high-pressure vessel according to claim 1, wherein the housing (1) is made of steel and is integrally formed.

8. The sealing device for a plurality of enameled wires passing through a high-pressure vessel according to claim 1, wherein the top of the housing (1) is provided with an external thread for connecting with the high-pressure vessel.

9. The sealing device for a multi-enamelled wire crossing high-pressure vessel according to claim 1, characterized in that said flange (6) comprises: the tray body and the lug are arranged on the tray body; the tray body is provided with a plurality of holes, and a plurality of bolts (7) penetrate through the holes to be connected with the bottom of the shell (1).

10. The sealing device for a multi-enamelled wire passing through a high-pressure vessel according to claim 9, characterized in that the outer diameter of the projection is the same as the diameter of the hole at the bottom of the shell (1).