CN211232057U - Sealing component - Google Patents

Abstract

The utility model discloses a sealing part, which is used for plugging a port of equipment, and comprises an end cap and an end cap, wherein the end cap is positioned at the tail part of the end cap, the end cap is provided with an end surface and an outer peripheral surface, the end cap is provided with a pressure relief channel, the pressure relief channel forms a first opening on the end surface, the pressure relief channel forms a second opening on the outer peripheral surface, when the second opening on the outer peripheral surface of the end cap is completely positioned inside the equipment port, the second opening is tightly attached to the inner wall of the equipment port, so that the pressure relief channel is in a closed state, and a sealing effect is achieved; when the second opening part/on the outer peripheral surface of the plug is completely moved out of the equipment port, the pressure relief channel communicates the inside and the outside of the equipment through the second opening, so that the pressure inside and outside the equipment is balanced, and the situation that surrounding personnel are injured or the equipment is damaged due to the fact that the plug is flushed out due to too large internal pressure of the equipment when the plug is moved out of the equipment port is avoided.

Description

Sealing component

Technical Field

The utility model is used for the end cap field especially relates to a seal part.

Background

In the industrial and living fields, in order to prevent leakage of an open device, a plug is generally required to plug a port of the device.

However, if pressure exists in gas or liquid inside the equipment, in the process of removing the plug, when the plug is completely moved out of the equipment, the pressure inside the equipment pushes the plug, if the pressure inside the equipment is higher, the plug will be impacted to fly away from the equipment, the plug flying away from the equipment may hit personnel or other equipment, and great potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a seal part, it can release the inside pressure of equipment before the end cap takes out equipment to the potential safety hazard can not appear when guaranteeing that the end cap takes out.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a seal the part for the port of shutoff equipment, includes end cap and end cap, the end cap is located the afterbody of end cap, the end cap has terminal surface and outer peripheral face, be equipped with the pressure release passageway on the end cap, the pressure release passageway is in form first opening on the terminal surface, the pressure release passageway is in form the second opening on the outer peripheral face.

Preferably, the cross section of the plug is circular.

Preferably, the outer circumferential surface of the plug is provided with threads.

Preferably, the pressure relief passage includes an axially extending section and a radially extending section, the axially extending section forms the first opening in the end surface, and the radially extending section forms the second opening in the outer peripheral surface.

Preferably, the plugging cap is provided with at least one stress surface.

One of the above technical solutions has at least one of the following advantages or beneficial effects: when the second opening on the outer peripheral surface of the plug is completely positioned in the equipment port, the second opening is tightly attached to the inner wall of the equipment port, so that the pressure relief channel is in a closed state, and the sealing effect is achieved; when the second opening part on the outer peripheral surface of the plug or the second opening part is completely moved out of the equipment port, the pressure relief channel communicates the inside and the outside of the equipment through the second opening, so that the pressure inside and outside the equipment is balanced, and the situation that surrounding personnel are injured or the equipment is damaged due to the fact that the plug is flushed out due to too large internal pressure of the equipment when the plug is moved out of the equipment port is avoided.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the one embodiment shown in FIG. 1 mated within an equipment port.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the present invention, if there is a description of directions (up, down, left, right, front and back), it is only for convenience of description of the technical solution of the present invention, and it is not intended to indicate or imply that the technical features indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the present invention, "a plurality" means one or more, "a plurality" means two or more, "more than", "less than", "more than", and the like, which means that the number is not included; the terms "above", "below", "within" and the like are to be understood as including the number. In the description of the present invention, if there is any description of "first" and "second" only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the present invention, unless otherwise explicitly defined, the terms "set," "mounted," "connected," and the like are to be understood in a broad sense, and may be directly connected or indirectly connected through an intermediate medium, for example; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically coupled, may be electrically coupled or may be capable of communicating with each other; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.

Referring to fig. 2, the embodiment of the utility model provides a seal part for the port of shutoff equipment 2 seals the part and includes end cap 10 and end cap 11, and it can release the inside pressure of equipment 2 before end cap 10 takes out equipment 2, thereby can not appear the potential safety hazard when guaranteeing to seal the part and take out.

Referring to fig. 1, the sealing member includes a plug 10 and a plug cap 11, the plug cap 11 is located at the tail of the plug 10, the plug 10 has an end surface and an outer peripheral surface, and the plug 10 can extend into the port of the device 2 and is tightly fitted with the inner wall of the port of the device 2 through the outer peripheral surface to achieve sealing.

Referring to fig. 2, a pressure relief channel 17 is arranged on the plug 10, the pressure relief channel 17 forms a first opening 15 on an end surface, the pressure relief channel 17 forms a second opening 13 on an outer circumferential surface, the first opening 15 is communicated with the second opening 13 through the pressure relief channel 17, when the second opening 13 is completely located inside the port of the device 2, the second opening 13 is completely and tightly matched with the inner wall surface of the device 2, so that the pressure relief channel 17 is in a closed state, when the plug 10 gradually moves out of the port of the device 2 under the action of external force, the second opening 13 also gradually moves out of the port of the device 2, when the second opening 13 partially/completely leaves the port of the device 2, the pressure relief channel 17 is communicated with the outside through the second opening 13, so as to release the pressure inside the device 2, so that the pressure inside the device 2 and the pressure outside the device 2 are balanced, thereby preventing the plug 10 from being injured due to the fact that the plug 10 is flushed away from the port of the device 2 by the excessive pressure inside The equipment is damaged.

In some embodiments, the cross-section of the plug 10 is circular, which is more material efficient than other shapes for plugs 10 made of the same material, and which also provides aesthetic appearance, simplicity of processing, and other factors.

Referring to fig. 1, in some embodiments, a thread 14 is provided on an outer peripheral surface of a plug 10, when a thread is provided inside a port of a device 2 to be sealed, the plug 10 is screwed into the port of the device 2 directly in a plugging process, so that compared with the plug 10 without the thread 14, the manner of screwing the plug 10 into the port of the device 2 is more labor-saving, and since the thread 14 on the outer peripheral surface of the plug 10 and the thread on the inner wall of the port of the device 2 are embedded into each other, better sealing performance can be ensured, preferably, the thread 14 on the plug 10 may be an internal thread or an external thread capable of fitting with the inside of the port of the device 2.

Referring to fig. 2, in some embodiments, the pressure relief channel 17 includes an axially extending section 12 and a radially extending section 16, the axially extending section 12 forms a first opening 15 on an end surface of the plug 10, and the radially extending section 16 forms a second opening 13 on an outer circumferential surface of the plug 10, so that the difficulty in processing the pressure relief channel 17 can be reduced, and in addition, the rigidity of the plug 10 can be ensured on the basis of the pressure relief function of the plug 10.

In some embodiments, the plugging cap 11 has at least one force-bearing surface, so that an external force can be more easily applied to the plugging cap 11 to move the plug 10 out of the port of the device 2 by the external force, and preferably, the plugging cap 11 may have an external hexagonal structure or an internal hexagonal structure.

The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims (5)

1. A closure member for sealing a port of an apparatus, comprising: the novel plug structure is characterized by comprising a plug and a plug cap, wherein the plug cap is located at the tail of the plug, the plug is provided with an end face and an outer peripheral face, a pressure relief channel is arranged on the plug, a first opening is formed in the end face of the pressure relief channel, and a second opening is formed in the outer peripheral face of the pressure relief channel.

2. The closure member of claim 1, wherein: the cross section of the plug is circular.

3. The closure member of claim 2, wherein: and the outer peripheral surface of the plug is provided with threads.

4. The closure member of claim 1, wherein: the pressure relief channel comprises an axial extension section and a radial extension section, the axial extension section forms the first opening on the end face, and the radial extension section forms the second opening on the outer peripheral surface.

5. The closure member of claim 1, wherein: the end-plugging cap is provided with at least one stress surface.

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