CN215965924U

CN215965924U - Thin-wall pipe orifice sealing mechanism

Info

Publication number: CN215965924U
Application number: CN202121790917.8U
Authority: CN
Inventors: 帅智杰; 莫富琳
Original assignee: Guangzhou Minshi Auto Parts Co ltd
Current assignee: Guangzhou Minshi Auto Parts Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-03-08
Anticipated expiration: 2031-08-02

Abstract

The utility model discloses a thin-wall pipe orifice sealing mechanism, which relates to the technical field of sealing structures and comprises a driving piece, wherein a telescopic moving rod is arranged on the driving piece; and the sealing assembly comprises a sliding groove piece, a sealing piece and a sliding block, wherein the sliding groove piece is provided with an object placing cavity for the sliding block to move, one end of the sliding groove piece is connected with the driving piece, the other end of the sliding groove piece is provided with a material feeding port communicated with the object placing cavity, the sealing piece is fixed in the object placing cavity and is attached to the material feeding port, the sealing piece is provided with a channel used for accommodating a product pipe opening, the moving rod is located in the object placing cavity and connected with the sliding block, the sliding block moves towards the sealing piece under the action of the moving rod to extrude the sealing piece, and therefore the sealing piece deforms. Compared with the prior sealing mode and structure, the structure provided by the utility model can effectively protect the sealing element, solves the problem that the sealing element is easily damaged at the pipe orifice of a product, effectively prolongs the service life of the sealing element, and can provide better sealing effect even if the pressure of gas introduced in the gas tightness test is too high.

Description

Thin-wall pipe orifice sealing mechanism

Technical Field

The utility model relates to the technical field of sealing structures, in particular to a thin-wall pipe orifice sealing mechanism.

Background

In order to meet the use requirements after production, many hollow metal products are produced in automobile parts, and the air tightness test needs to be carried out on the hollow metal products to ensure the air tightness of the hollow metal products. When the hollow metal automobile container accessory product works, the airtightness needs to be ensured, so that the airtightness needs to be checked through a gas leak detector, but the shapes of pipe holes on the surfaces of a plurality of workpieces are complex, and the sealing mode needs special design, especially the sealing of thin-wall pipe openings made of metal materials. The original mode is that the direct shutoff of soft material is used, but needs great pressure to high-pressure gas's direct shutoff, can be cut when the sharp metal pipe mouth of soft material shutoff, will damage after using several times, the soft material that needs to be renewed, simultaneously, because soft material is cut, the piece of production can drop in the mouth of pipe, also leads to the condition appearance that the piece foreign matter got into metal container easily.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the prior art. Therefore, the embodiment of the utility model provides a thin-wall pipe orifice sealing mechanism which can prolong the service life of a sealing material and reduce the replacement frequency of the sealing material.

The thin-wall pipe orifice sealing mechanism comprises a driving piece, wherein a telescopic moving rod is arranged on the driving piece; and the sealing assembly comprises a sliding groove piece, a sealing piece and a sliding block, the sliding groove piece is provided with a supply for the sliding block to move, one end of the sliding groove piece is connected with the driving piece, the other end of the sliding groove piece is provided with a communicating hole for accommodating the feeding hole of the object cavity, the sealing piece is fixed in the object cavity and is attached to the feeding hole, the sealing piece is provided with a channel for accommodating a product pipe orifice, the moving rod is located in the object cavity and connected with the sliding block, the sliding block is oriented under the action of the moving rod to move the sealing piece so as to extrude the sealing piece, and therefore the sealing piece deforms.

As a further improvement of the above, the sealing member is made of silicone.

As a further improvement of the scheme, the end face of the sliding groove piece connected with the driving piece is inwards sunken, so that the storage cavity is formed.

As a further improvement of the above scheme, the driving member includes a driving member body, and an end surface of the driving member body is in sealing connection with an end surface of the chute member.

As a further improvement of the above scheme, an O-ring is arranged between the driving member body and the chute member.

As a further improvement of the above, the driving member is a cylinder.

As a further improvement of the above scheme, the channel is over against the feeding port.

As a further improvement of the scheme, one surface of the sliding block, facing the sealing element, is provided with a groove, and the groove is opposite to the channel.

As a further improvement of the scheme, the moving rod is connected with the sliding block in a threaded mode.

Based on the technical scheme, the embodiment of the utility model at least has the following beneficial effects: in the technical scheme, the driving piece is used as a reference for installation, the driving piece is provided with a telescopic moving rod, the sealing assembly comprises a sliding groove piece, a sealing piece and a sliding block, wherein the sliding groove piece is provided with a storage cavity for the sliding block to move, one end of the sliding groove piece is connected with the driving piece, the other end of the sliding groove piece is provided with a feeding hole communicated with the storage cavity, the sealing piece is fixed in a plant wall and attached to the feeding hole, the sealing piece is provided with a channel for containing a product pipe orifice, in addition, the moving rod is positioned in the storage cavity and connected with the sliding block, when the sealing device works, a product pipe orifice needing to be sealed enters the channel of the sealing piece from the feeding hole, the sliding block moves towards the sealing piece under the extending action of the moving rod, the sliding block continues to advance and extrudes the sealing piece after abutting against the sealing piece, so that the sealing piece deforms, the deformed sealing piece enables the channel to contract, and tightly clamps the product pipe orifice to achieve a sealing effect, furthermore, in the state of slider extrusion sealing member, the inner wall in the thing chamber is put in the sealing member laminating, make whole thing chamber of putting be in encapsulated situation, with external intercommunication not, the gas tightness of product is examined to the gaseous appearance that leaks of rethread, can prevent to get into the gas leakage flow of putting the thing chamber and prevent to produce the influence to the result of gas tightness test, after the work finishes, the motion pole returns former, the slider is not at the extrusion sealing member, the sealing member resumes by the state before the extrusion, the product mouth of pipe can easily be followed and drawn out in the passageway. Compared with the prior sealing mode and structure, the structure provided by the utility model can effectively protect the sealing element (namely, soft material), solves the problem that the sealing element is easily damaged by the pipe orifice of a product, effectively prolongs the service life of the sealing element, and can provide better sealing effect even if the pressure of gas introduced in the airtightness test is overlarge.

Drawings

The utility model is further described below with reference to the accompanying drawings and examples;

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

FIG. 2 is a second schematic structural diagram of an embodiment of the present invention;

fig. 3 is a schematic view of the working state of the thin-wall pipe orifice sealing mechanism in the embodiment of the utility model.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to 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 description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 and 2, the thin-wall tube opening sealing mechanism of the present invention includes a driving member 100 and a sealing assembly 200, the sealing assembly 200 is fixed on the driving member 100, wherein the driving member 100 is provided with a telescopic moving rod 120, the sealing assembly 200 includes a chute member 210, a sealing member 220 and a sliding block 230, the chute member 210 is provided with a storage cavity 211 for the sliding block 230 to move, one end of the chute member 210 is connected with the driving member 100, the other end of the chute member 210 is provided with a material inlet 212 communicated with the storage cavity 211, the sealing member 220 is fixed on the storage cavity 211 and attached to the material inlet 212, the sealing member 220 is provided with a channel 221 for accommodating a product tube opening 410, and the moving rod 120 is located in the storage cavity 211 and connected with the sliding block 230.

In operation, as shown in fig. 3, the product nozzle 410 to be sealed enters the channel 221 of the sealing member 220 from the material inlet 212, the sliding block 230 moves toward the sealing member 220 under the extending action of the moving rod 120, the sliding block 230 continues to advance and press the sealing member 220 after abutting against the sealing member 220, so as to deform the sealing member 220, the deformed sealing member 220 contracts the channel 221, so as to clamp the sealed product nozzle 410 to achieve the sealing effect, furthermore, in the state that the sliding block 230 presses the sealing member 220, the sealing member 220 is attached to the inner wall of the object placing cavity 211, so that the whole object placing cavity 211 is in the sealing state and is not communicated with the outside, the gas tightness of the product 400 is checked by a gas leakage tester, so as to prevent the gas leakage entering the object placing cavity 211 and influence on the result of the gas tightness test, after the operation, the moving rod 120 returns to the original position, the sliding block 230 does not press the sealing member 220 any more, the seal member 220 returns to its pre-compressed state and the product nozzle 410 can be easily withdrawn from the channel 221. Compared with the prior sealing mode and structure, the structure provided by the utility model can effectively protect the sealing element 220 (namely, soft material), solves the problem that the sealing element 220 is easily damaged by the product pipe orifice 410, effectively prolongs the service life of the sealing element 220, and can provide better sealing effect even if the pressure of the gas introduced in the airtightness test is overlarge.

As shown in fig. 3, the product 400 is made of metal and has a cavity, the product nozzle 410 is communicated with the cavity of the product 400, and the product 400 is further provided with an air inlet end 420, during testing, in order to ensure safety, the product 400 is usually fixed, and then an air-tight side air leakage pipe of a gas leakage detector is connected with the air inlet end 420 of the product 400. The driving member 100 of the thin-wall nozzle sealing mechanism is fixed on the moving member slider of the driving cylinder 310, wherein the driving member 100 is fixed on the moving member slider of the driving cylinder 310 through the mounting seat 320, the driving cylinder 310 is a sliding rail cylinder, the driving cylinder 310 is used as a mounting reference, under the action of air pressure, the moving member slider drives the sealing assembly 200 to move towards the product nozzle 410, so that the product nozzle 410 can enter the channel 221 of the sealing member 220 from the material inlet 212, after the action is completed, the driving member 100 is started, the moving rod 120 drives the slider 230 to move towards the sealing member 220 and deform the sealing member 220, the deformed sealing member 220 is extruded in a limited space, the deformed part is gradually pressed towards the product nozzle 410 in the channel 221, and the material inlet 212 can be further sealed, so that the gas introduced into the product 400 by the gas leak detector cannot leak, the air tightness test of the product 400 can be well completed.

Preferably, the sealing member 220 is made of silicone rubber, which has a good plastic deformation capability, can withstand repeated squeezing and rebounding for a long time, and can effectively seal the product nozzle 410.

As will be appreciated in conjunction with FIG. 2, the end of the chute member 210 that is connected to the drive member 100 is recessed to form a storage compartment 211. The storage chamber 211 is an open opening, and the open opening of the storage chamber 211 is closed by the driving unit 100. Specifically, driving piece 100 includes driving piece body 110, the terminal surface of driving piece body 110 and the terminal surface sealing connection of chute spare 210, for making sealed effect better, be equipped with O type sealing washer 130 between driving piece body 110 and the chute spare 210, and chute spare 210 passes through the screw locking laminating with driving piece body 110, thereby will put the open opening of thing chamber 211 and seal, the condition of gas leakage prevents to appear, wherein, motion bar 120 is located on the one side that driving piece body 110 and chute spare 210 are connected, so can enter into and put the thing chamber 211 in and be connected with slider 230, in addition, motion bar 120 threaded connection slider 230, convenient dismantlement. Preferably, the driving member 100 is a cylinder.

Further, channel 221 is directly opposite to inlet port 212 so that product nozzle 410 does not damage seal 220 when entering channel 221, where both channel 221 and inlet port 212 have a diameter greater than the cross-sectional diameter of product nozzle 410. The side of the slider 230 facing the seal 220 is provided with a groove 231, the groove 231 faces the channel 221, and the groove 231 is used for avoiding the product nozzle 410, so that the slider 230 is prevented from impacting and damaging the product nozzle 410 after excessively pressing the seal 220.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A thin-wall pipe orifice sealing mechanism is characterized in that: comprises that

The driving piece (100), a telescopic motion rod (120) is arranged on the driving piece (100); and

a seal assembly (200), the seal assembly (200) including a runner component (210), a seal (220), and a slider (230), the sliding groove piece (210) is provided with an object placing cavity (211) for the sliding block (230) to move, one end of the sliding groove piece (210) is connected with the driving piece (100), the other end of the sliding groove piece (210) is provided with a feeding port (212) communicated with the article placing cavity (211), the sealing element (220) is fixed on the article placing cavity (211) and is attached to the material inlet (212), the sealing member (220) is provided with a channel (221) for accommodating a product spout (410), the moving rod (120) is positioned in the object placing cavity (211) and is connected with the sliding block (230), the slider (230) is moved toward the sealing member (220) by the moving rod (120), to compress the sealing member (220) and thereby deform the sealing member (220).

2. The thin-walled tube orifice sealing mechanism of claim 1, wherein: the sealing member (220) is made of silicone.

3. The thin-walled tube orifice sealing mechanism of claim 1, wherein: the end face of the sliding groove piece (210) connected with the driving piece (100) is inwards sunken, so that the object placing cavity (211) is formed.

4. The thin-walled tube orifice sealing mechanism of claim 3, wherein: the driving piece (100) comprises a driving piece body (110), and the end face of the driving piece body (110) is in sealing connection with the end face of the sliding groove piece (210).

5. The thin-walled tube orifice sealing mechanism of claim 4, wherein: an O-shaped sealing ring (130) is arranged between the driving piece body (110) and the chute piece (210).

6. The thin-walled tube orifice sealing mechanism of any one of claims 1 to 5, wherein: the driving piece (100) is a cylinder.

7. The thin-walled tube orifice sealing mechanism of any one of claims 1 to 5, wherein: the channel (221) is opposite to the feeding port (212).

8. The thin-walled tube orifice sealing mechanism of claim 7, wherein: a groove (231) is formed in one surface, facing the sealing element (220), of the sliding block (230), and the groove (231) is opposite to the channel (221).

9. The thin-walled tube orifice sealing mechanism of any one of claims 1 to 5, wherein: the moving rod (120) is connected with the sliding block (230) in a threaded mode.