CN218598795U - Sealing device - Google Patents

Abstract

The utility model relates to a through-hole sealing field, more specifically say, relate to a do not have any supplementary fixed through-hole sealing device around through-hole in the pressure test. The utility model relates to a sealing device, sealing device include: the movable block, the supporting block, the special bolt, the guide pin, the sealing ring and the handle; the guide pin runs through the supporting block and then is inserted into the loose piece, the loose piece is rigidly connected with the supporting block through the special bolt, the sealing ring is arranged between the loose piece and the supporting block, and the handle is arranged on the supporting block. The utility model discloses the structure has been realized by sealed through-hole around not having the sealed that can place auxiliary stay, has reached the sealed effect of pressure test.

Description

Sealing device

Technical Field

The utility model relates to a through-hole sealing field, more specifically says, relates to a do not have any supplementary fixed through-hole sealing device around through-hole among the pressure test.

Background

In the pressure test of cavity type workpieces, part of through holes are generally required to be sealed to ensure that the cavity has no leakage in the pressure test, and if no fixed threaded hole or flange is arranged around the through holes, the through holes are difficult to seal. The existing sealing mode is that an auxiliary frame between a workpiece and a sealed through hole is manufactured, a stressed space is formed between the workpiece and the sealed through hole, then a conical rubber plug placed in a sealed hole opening is compressed through an adjustable support, and the sealing effect is achieved by continuously adjusting the length of the adjustable support. The existing sealing mode needs to be provided with a certain space around the sealing hole for installing the auxiliary frame, the failure rate caused by the uneven stress point of the tapered rubber plug is high, and if the space for placing the auxiliary frame around the through hole is not available, the sealing is difficult to realize, so that the pressure test cannot be carried out.

SUMMERY OF THE UTILITY MODEL

The utility model provides a through-hole sealing structure has solved among the prior art by sealed through-hole around having can place the auxiliary stay, lead to the easy problem that fails or can't go on of pressure test.

The purpose of the utility model is realized like this: a seal assembly, said seal assembly comprising: the movable block, the supporting block, the special bolt, the guide pin, the sealing ring and the handle; the guide pin runs through the supporting block and then is inserted into the loose piece, the loose piece is rigidly connected with the supporting block through the special bolt, the sealing ring is arranged between the loose piece and the supporting block, and the handle is arranged on the supporting block.

In one embodiment, an oblique angle is arranged at the outer edge of the matching surface of the movable block and the supporting block, the rubber ring is arranged in the cavity.

In one embodiment, the loose piece is in clearance fit with the inner diameter of the sealing hole, and the loose piece is provided with a first counter bore and a second counter bore.

In one embodiment, the first counter bore is provided with internal threads, and the inner wall of the second counter bore is smooth.

In one embodiment, the supporting block is in clearance fit with the sealing hole, and the supporting block is provided with a first through hole and a second through hole.

In one embodiment, the first through hole is provided with internal threads, and the inner wall of the second through hole is smooth.

In one embodiment, the first through hole corresponds to the first counterbore, and the second through hole corresponds to the second counterbore.

In one embodiment, the outer diameter of the sealing ring is the same as the inner diameter of the sealing hole.

In one embodiment, the sealing ring is integrally formed and is made of silica gel.

The utility model discloses the structure has been realized by sealed through-hole around not having the sealed that can place auxiliary stay, has reached the sealed effect of pressure test.

Drawings

FIG. 1 is a schematic view of a sealing device assembly;

fig. 2 is a schematic structural view of the sealing device.

100-workpiece, 200-supporting block, 201-handle, 202-unthreaded hole, 300-loose piece, 400-guiding pin, 401-second through hole, 500-special bolt, 600-sealing ring.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "top," "bottom," "top," and the like are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The sealing device comprises: the movable block 300, the supporting block 200, the special bolt 500, the guide pin 400, the sealing ring 600 and the handle 201; the guide pin 400 penetrates the loose piece 300 and then is inserted into the support block 200 for positioning the loose piece 300 and the support block 200, the loose piece 300 and the support block 200 are rigidly connected through the special bolt 500, the seal ring 600 is arranged between the loose piece 300 and the support block 200, and the handle 201 is arranged on the support block 200.

The outer diameter of the loose piece 300 is in clearance fit with a sealed hole, the loose piece 300 is respectively provided with a first counter bore and a second counter bore, the first counter bore is a threaded counter bore, the inner wall of the second counter bore is smooth, the first counter bore is connected with the supporting block 200 through the special bolt 500, the second counter bore is connected with the supporting block 200 through the guide pin 400, a smooth oblique angle is formed at one end, in contact with the supporting block 200, of the loose piece 300, preferably, the angle of the oblique angle is 23 degrees, and the depth of the oblique angle is 3mm.

The outer diameter of the supporting block 200 is in clearance fit with a sealed hole, a first through hole 401 and a second through hole are respectively formed in the end face of the supporting block 200, the first through hole 401 is a threaded hole, the inner wall of the second through hole is smooth, the first through hole 401 corresponds to the first counter bore, the second through hole corresponds to the second counter bore, 1 unthreaded hole is distributed in the side face of the supporting block 200 and is used for installing the handle 201 to prevent the supporting block 200 from rotating on the horizontal plane, a smooth oblique angle is formed at one end, close to the movable block 300, of the supporting block 200, preferably, the angle of the oblique angle is 23 degrees, and the depth of the oblique angle is 3mm.

The special bolt 500 is provided with fine threads, the length of the special bolt 500 is determined according to the thread depth of the thread counter bore of the loose piece 300 and the thickness of the supporting block 200, and the special bolt 500 is used for limiting the movement of the loose piece 300 in the axial direction.

The guide pin 400 is a cylindrical structure, and the outer diameter of the guide pin 400 is in clearance fit with the aperture of the loose piece 300, which is used for guiding the loose piece 300 to move axially.

Sealing washer 600 formula silica gel circle as an organic whole, it is preferred, sealing washer 600's material is silica gel, and its external diameter is unanimous with by sealed aperture, diameter 2.65mm. The sealing ring 600 is installed at the oblique angle gap between the movable block 300 and the supporting block 200, the movable block 300 moves axially by locking and releasing the special bolt 500, the outer diameter of the sealing ring 600 is increased, and the sealing ring 600 is extruded on the hole wall, so that the sealing effect is achieved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (9)

1. A seal assembly, said seal assembly comprising: the movable block, the supporting block, the special bolt, the guide pin, the sealing ring and the handle;

the guide pin penetrates through the supporting block and then is inserted into the loose piece, the loose piece is rigidly connected with the supporting block through the special bolt, the sealing ring is arranged between the loose piece and the supporting block, and the handle is arranged on the supporting block.

2. The sealing device according to claim 1, wherein an angled cavity is provided at the outer edge of the mating surface of the loose piece and the supporting block, and a rubber ring is provided in the cavity.

3. The sealing device of claim 1, wherein the loose piece is in clearance fit with an inner diameter of the sealing bore, and the loose piece is provided with a first counter bore and a second counter bore.

4. The seal of claim 3, wherein the first counterbore is internally threaded and the second counterbore is smooth on the inside wall.

5. The sealing device of claim 3, wherein the support block is a clearance fit with the sealing bore, the support block being provided with a first through hole and a second through hole.

6. The sealing device of claim 5, wherein the first through hole is internally threaded and the second through hole is smooth on the inner wall.

7. The sealing arrangement of claim 5, wherein the first through-hole corresponds to the first counterbore and the second through-hole corresponds to the second counterbore.

8. The sealing device of claim 3, wherein the seal ring outer diameter is the same as the seal bore inner diameter.

9. The sealing device of claim 1, wherein the sealing ring is integrally formed and is made of silicone.

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