CN218818134U

CN218818134U - Silica gel sealing ring with good air tightness

Info

Publication number: CN218818134U
Application number: CN202222972912.8U
Authority: CN
Inventors: 梁慧娟
Original assignee: Shenzhen Wenxing Silicone Products Co ltd
Current assignee: Shenzhen Wenxing Silicone Products Co ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-04-07
Anticipated expiration: 2032-11-08

Abstract

The utility model relates to a silica gel sealing washer technical field, specifically speaking relates to a silica gel sealing washer that gas tightness is good. It includes sealing washer and lower seal circle, be equipped with the enclosed construction between upper seal circle and the lower seal circle, the enclosed construction is through closed with upper seal circle and lower seal circle internal seal, upper seal circle and lower seal circle upper surface all install a plurality of chucking devices, chucking device passes through slider and the sealed inner wall sliding connection of upper seal, in this kind of silica gel sealing washer that the gas tightness is good, thereby it is compacter to press upper seal circle and lower seal circle to the side extrusion making its closure through the enclosed construction that sets up pressing from both sides tight closure in-process, and simultaneously, the chucking device that upper seal fills up upper surface setting with lower seal circle compresses tightly the in-process, promote the cushion through the spring and compress tightly upper seal circle and lower seal circle to the inboard under effort and reaction force effect, prevent to have the gap between upper seal circle and the interior bush, play supplementary sealed effect.

Description

Silica gel sealing ring with good air tightness

Technical Field

The utility model relates to a silica gel sealing washer technical field, specifically speaking relates to a silica gel sealing washer that gas tightness is good.

Background

The sealing ring is used as a sealing element of a steam engine cylinder in the middle of 19 th century, the sealing ring is installed on various mechanical equipment and plays a sealing role in a static or moving state in specified temperature, pressure and different liquid and gas media, and other types of sealing rings such as a U-shaped ring, an O-shaped sealing ring, a Y-shaped sealing ring, a hole YX-shaped sealing ring, a rectangular sealing ring and the like are mainly used in the current sealing ring, for example, the O-shaped sealing ring is a bidirectional sealing element and is subjected to radial or axial initial compression capacity during installation so as to determine the initial sealing capacity.

The silica gel sealing ring is mainly used for waterproof sealing and freshness keeping of daily necessities such as a freshness preservation box, an electric cooker, a water dispenser, a lunch box, a heat preservation box, an insulation can, a water cup, an oven, a magnetized cup, a coffee pot and the like, the requirement on the performance of the sealing ring is very high, but the traditional sealing ring is poor in sealing performance, aging leakage is easy to occur after long-term use, the sealing performance of the sealing ring is reduced, and therefore the silica gel sealing ring with good air tightness is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a silica gel sealing washer that gas tightness is good to solve the problem that proposes in the above-mentioned background art.

In order to realize the above-mentioned purpose, the utility model provides a silica gel sealing washer that gas tightness is good, including upper seal circle and lower seal circle, upper seal circle and lower seal circle are located the both ends top and all are equipped with the neck bush, through taper sleeve fixed connection between the upper seal pad that neck bush and upper seal circle bottom set up, through taper sleeve fixed connection between the upper seal pad that neck bush and lower seal circle bottom set up, be equipped with the enclosed construction between upper seal circle and the lower seal circle, the enclosed construction is through the closure with upper seal circle and lower seal circle inside seal, a plurality of chucking devices are all installed to upper seal circle and lower seal circle upper surface, chucking device passes through slider and the sealed inner wall sliding connection that fills up.

The working principle is as follows: firstly, an inner bushing and a conical sleeve on the upper portion of an upper sealing ring and a lower sealing ring are attached inside a sealing device, then the upper sealing ring and the lower sealing ring are respectively extruded towards the inside of the sealing device, a sliding block at the top of a clamping device arranged on the upper surface of the upper sealing gasket and the upper surface of the inner bushing is attached to the inside of the sealing device, then two sides of the sealing device are fixed, the upper sealing ring and the lower sealing ring are closed, in the process of screwing the sealing device, grooves and convex teeth in a closing structure arranged on the upper surface of the upper sealing gasket and the upper surface of the inner bushing are clamped, tight sealing of the upper sealing gasket and the inner bushing is realized, and a good sealing effect is achieved.

As a further improvement of the technical scheme, the closing structure comprises a groove and convex teeth, the groove is positioned on the lower surface of the upper sealing gasket, the convex teeth are positioned on the upper surface of the lower sealing gasket, and the upper sealing gasket and the lower sealing gasket are clamped through the closing structure.

As a further improvement of the technical scheme, a plurality of exhaust holes are formed in the periphery of the outer ring of the upper sealing gasket and the outer ring of the lower sealing gasket.

As a further improvement of the technical scheme, a spring is further arranged at the bottom of the sliding block, and an up-and-down telescopic rod is movably connected inside the spring.

As a further improvement of the technical scheme, the two ends of the inner wall of the upper sealing gasket are provided with slide rails, and the slide rails are connected with the cushion blocks in a sliding mode through slide blocks.

Compared with the prior art, the beneficial effects of the utility model are that:

in this kind of silica gel sealing washer that gas tightness is good, thereby through the closed structure who sets up press from both sides tight closed in-process with last sealing washer and lower sealing washer to the side extrusion make its closure compacter, simultaneously, the chucking device that sets up on the upper surface of sealing up under and sealing up seals up the in-process, promote the cushion through the spring and compress tightly upper seal pad and lower sealing washer to the inboard under effort and reaction force effect, prevent to have the gap between upper seal pad and the interior bush, play supplementary sealed effect.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

FIG. 2 is a schematic view of a closed structure of an upper seal ring and a lower seal ring in embodiment 1;

FIG. 3 is a schematic view of a top cut-away structure of the upper seal ring of embodiment 1;

FIG. 4 is a schematic view showing the construction of the chucking device according to embodiment 1;

fig. 5 is a schematic view of the closed structure of embodiment 1.

100. An upper sealing ring; 101. an upper seal gasket; 102. an inner liner; 103. a tapered sleeve; 104. an exhaust hole;

200. a lower seal ring; 201. a lower seal gasket;

31. a closed configuration; 300. a groove; 301. and (4) convex teeth.

41. A clamping device;

401. cushion blocks; 402. a slider; 403. a spring; 404. a telescopic rod; 405. a slide rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all 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 for simplicity of 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.

Example 1

Referring to fig. 1 to 5, the present embodiment provides a silicone sealing ring with good air tightness, including an upper sealing ring 100 and a lower sealing ring 200, wherein inner bushings 102 are respectively disposed at top portions of two ends of the upper sealing ring 100 and the lower sealing ring 200, the inner bushings 102 are fixedly connected to an upper sealing pad 101 disposed at a bottom of the upper sealing ring 100 through tapered bushings 103, and are attached to inner walls of a sealing device through the inner bushings 102 and the tapered bushings 103, so as to prevent air leakage, and secondly, the inner bushings 102 are fixedly connected to an upper sealing pad 101 disposed at a bottom of the lower sealing ring 200 through the tapered bushings 103, a closing structure 31 is disposed between the upper sealing ring 100 and the lower sealing ring 200, the closing structure 31 seals the inner portions of the upper sealing ring 100 and the lower sealing ring 200 through closing, so as to prevent gaps from occurring between the upper sealing ring 100 and the lower sealing ring 200, so as to improve the air tightness of the sealing ring, and at the same time, in order to further attach the upper sealing ring 100 and the lower sealing ring 200 through sliding connection of the upper sealing ring 100 and the lower sealing ring 200 through sliders 402, so as to assist in attaching the upper sealing ring 100 and the lower sealing ring 200.

The working principle is as follows: firstly, an inner bushing 102 and a tapered bushing 103 on the upper portions of an upper sealing ring 100 and a lower sealing ring 200 are attached to the inside of a sealing device, then the upper sealing ring 100 and the lower sealing ring 200 are respectively extruded towards the inside of the sealing device, a sliding block 402 arranged on the top of a clamping device 41 arranged on the upper surfaces of an upper sealing gasket 101 and the inner bushing 102 is attached to the inside of the sealing device, then two sides of the sealing device are fixed, and further the upper sealing ring 100 and the lower sealing ring 200 are closed, in the process of screwing the sealing device, a groove 300 and a convex tooth 301 in a closing structure 31 arranged on the upper surfaces of the upper sealing gasket 101 and the inner bushing 102 are clamped, so that the upper sealing gasket 101 and the inner bushing 102 are tightly sealed, and a good sealing effect is achieved.

Specifically, considering that a gap is generated when the upper gasket 101 and the lower gasket 201 are attached to each other, which affects the air tightness of the sealing ring, a closing structure 31 is disposed between the upper gasket 101 and the lower gasket 201, wherein the closing structure 31 includes a groove 300 and a protrusion 301, the groove 300 is located on the lower surface of the upper gasket 101, the protrusion 301 is located on the upper surface of the lower gasket 201, and the upper gasket 101 and the lower gasket 201 are clamped by the closing structure 31, so as to ensure the sealing performance of the sealing ring.

In addition, because the sealing washer is that the silica gel material has certain toughness, can take place deformation at the laminating of upper seal pad 101 and lower seal pad 201 and compress tightly the in-process, need leave certain space, so, all seted up a plurality of exhaust holes 104 around the upper seal pad 101 and the lower seal pad 201 outside annular.

Secondly, the bottom of the sliding block 402 is further provided with a spring 403, the spring 403 is movably connected with an expansion rod 404 which can expand and contract up and down, and the top cushion block 401 is pushed upwards under the elastic action of the spring 403, so that the upper sealing gasket 101 and the lower sealing gasket 201 are attached and sealed.

Preferably, in order to facilitate the up-and-down movement of the sliding block 402 and reduce friction, sliding rails 405 are respectively disposed at two ends of the inner wall of the upper sealing gasket 101, and the sliding rails 405 are slidably connected to the cushion block 401 through the sliding block 402.

When the silica gel sealing ring with good air tightness in the embodiment is used specifically, first, the inner bushing 102 and the tapered bushing 103 on the upper portion of the upper sealing ring 100 and the lower sealing ring 200 are attached inside the sealing device, then the upper sealing ring 100 and the lower sealing ring 200 are respectively extruded towards the inside of the sealing device, the spring 403 inside the clamping device 41 pushes the cushion block 401 to move outwards under the extrusion of external force, so that the cushion block 401 is attached to the inside of the sealing device to achieve the auxiliary attaching effect, then the two sides of the sealing device are fixed, so that the upper sealing ring 100 and the lower sealing ring 200 are closed, in the process of screwing the sealing device, the groove 300 and the convex tooth 301 in the closing structure 31 arranged on the upper surfaces of the upper sealing gasket 101 and the inner bushing 102 are clamped, the upper sealing gasket 101 and the inner bushing 102 are tightly sealed, and a good sealing effect is achieved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a silica gel sealing washer that gas tightness is good, includes sealing washer (100) and lower sealing washer (200), its characterized in that: the upper sealing ring (100) and the lower sealing ring (200) are located at the tops of two ends and are respectively provided with an inner bushing (102), the inner bushing (102) is fixedly connected with an upper sealing gasket (101) arranged at the bottom of the upper sealing ring (100) through a conical bushing (103), the inner bushing (102) is fixedly connected with the upper sealing gasket (101) arranged at the bottom of the lower sealing ring (200) through the conical bushing (103), a closing structure (31) is arranged between the upper sealing ring (100) and the lower sealing ring (200), the closing structure (31) seals the inner parts of the upper sealing ring (100) and the lower sealing ring (200) through closing, a plurality of clamping devices (41) are respectively arranged on the upper surfaces of the upper sealing ring (100) and the lower sealing ring (200), and the clamping devices (41) are slidably connected with the inner wall of the upper sealing gasket (101) through sliding blocks (402).

2. The silicone sealing ring with good airtightness according to claim 1, characterized in that: closed structure (31) include recess (300) and dogtooth (301), recess (300) are located upper seal pad (101) lower surface, dogtooth (301) are located lower seal pad (201) upper surface, through closed structure (31) joint between upper seal pad (101) and lower seal pad (201).

3. The silicone sealing ring with good airtightness according to claim 1, characterized in that: a plurality of exhaust holes (104) are formed in the annular periphery of the outer sides of the upper sealing gasket (101) and the lower sealing gasket (201).

4. The silicone sealing ring with good airtightness according to claim 1, characterized in that: the bottom of the sliding block (402) is also provided with a spring (403), and an up-and-down telescopic rod (404) is movably connected inside the spring (403).

5. The silicone sealing ring with good airtightness according to claim 1, characterized in that: slide rails (405) have all been seted up at upper seal pad (101) inner wall both ends, through slider (402) sliding connection between slide rail (405) and cushion (401).