CN218787314U

CN218787314U - Combined sealing gasket

Info

Publication number: CN218787314U
Application number: CN202223273928.6U
Authority: CN
Inventors: 黄谷; 王哲
Original assignee: Suzhou Atmit Sealing Technology Co ltd
Current assignee: Suzhou Atmit Sealing Technology Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-04-04
Anticipated expiration: 2032-12-07

Abstract

The utility model discloses a combined seal gasket, belong to the sealed goods field, a combined seal gasket, including first semi-ring and second semi-ring, first semi-ring passes through coupling assembling fixed mounting with the second semi-ring, coupling assembling includes the spacing groove, the inside of spacing groove is provided with the stopper, the inside of stopper is seted up flutedly, the rectangular channel has been seted up to the inside of first semi-ring and the one side that is located the spacing groove, the inner wall of rectangular channel passes through coupling spring fixedly connected with locating piece, locating piece and recess looks adaptation, fixedly connected with control lever on the locating piece, the inside of first semi-ring and the upside swing joint that is located the control lever have sealed lid, one side fixedly connected with sealing strip of first semi-ring, it can realize carrying out zonulae occludens with two annular sealing gaskets, prevent to make it produce the clearance because operational environment's instability, lead to the medium to leak from the concatenation of two circular bodies, increase the leakproofness of gasket.

Description

Combined sealing gasket

Technical Field

The utility model relates to a sealed goods field, more specifically say, relate to a combined seal gasket.

Background

A gasket, a material that provides a seal to prevent the escape of liquids or gases, is also an important safety device, and is commonly used in machines, equipment, and pipes where fluids are present.

Chinese patent grant publication no: CN207634683U, a combined sealing gasket is provided, the patent adopts a sectional type design, a plurality of sectional type die cavities can be arranged on the premise of not increasing the structural size of a die, the utilization rate of the die is greatly improved, the manufacturing cost of the die is reduced, the production efficiency of the sealing gasket is greatly improved, but when the sealing gasket is used, the splicing of two circular bodies is not provided with a positioning structure, due to the instability of the use environment, the two circular bodies can be influenced by the external temperature or impact force, the connection is not tight, gaps or looseness appear at the connection part, a medium in the blocking device is easy to leak outwards through the splicing part of the two circular bodies, and the sealing performance of the sealing gasket in use is low.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a combined seal gasket, it can realize carrying out zonulae occludens with two annular gaskets, prevents to make it produce the clearance because operational environment's unstability, leads to the medium to leak from the concatenation department of two circular bodies, increases the leakproofness of gasket.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a combined seal gasket, includes first semi-ring and second semi-ring, first semi-ring passes through coupling assembling fixed mounting with the second semi-ring, coupling assembling includes the spacing groove, the inside of spacing groove is provided with the stopper, the inside of stopper is seted up flutedly, the rectangular channel has been seted up to the inside of first semi-ring and the one side that is located the spacing groove, the inner wall of rectangular channel passes through coupling spring fixedly connected with locating piece, locating piece and recess looks adaptation, fixedly connected with control lever on the locating piece, the upside swing joint that the inside of first semi-ring just is located the control lever has sealed lid, and one side fixedly connected with sealing strip of first semi-ring, it can realize carrying out zonulae occludens with two annular sealing gaskets, prevents to lead to the medium to leak from the concatenation of two circular bodies because operational environment's instability makes its production clearance, increases the leakproofness of gasket.

Further, the sealing rod is water-swelling rubber, the size of the sealing rod is matched with the first half ring, the rubber is swelled and deformed after meeting water, gaps of seams are filled with the rubber, and huge contact pressure is generated to prevent leakage.

Further, the equal fixedly connected with rubber strip in both sides of spacing inslot wall, the cross section of rubber strip is three horn shapes, and the rubber strip can produce deformation under the effect of the extrusion force when the stopper imbeds the spacing groove, and the back is accomplished in the installation, and the rubber strip after taking place to deform can block up the gap between stopper and the spacing groove, prevents that seal gasket when using, and liquid flows out from the seam of stopper and spacing groove, strengthens its sealed effect.

Further, the bottom fixedly connected with imbibition layer of limiting groove inside, imbibition layer can absorb liquid when liquid flows into the limiting groove, prevents to leak out too much liquid, further strengthens its sealed effect.

Furthermore, the top of the first half ring and the top of the second half ring are both fixedly connected with a main sealing strip.

Furthermore, the top of the first half ring and the top of the second half ring are fixedly connected with auxiliary sealing strips on the periphery of the main sealing strip, so that a double-layer sealing ring can be formed with the main sealing strip, and the sealing effect is enhanced.

Furthermore, the outer surface sleeves of the first half ring and the second half ring are provided with wear-resistant layers, so that the service life of the sealing gasket can be prolonged.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) This scheme is through setting up coupling assembling and sealing rod, can realize carrying out zonulae occludens with two annular gaskets, prevents to lead to the medium to leak from the concatenation department of two circular bodies because operational environment's instability makes it produce the clearance, increases the leakproofness of gasket.

(2) This scheme can produce deformation under the effect of extrusion force at the equal fixedly connected with rubber strip in the both sides of spacing inslot wall, rubber strip when stopper embedding spacing groove, and the installation is accomplished the back, and the rubber strip after taking place to deform can block up the gap between stopper and the spacing groove, prevents that seal gasket when using, and liquid flows out from the seam of stopper and spacing groove, strengthens its sealed effect.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a top cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the point A of the present invention;

fig. 4 is a schematic bottom structure diagram of the present invention.

The numbering in the figures illustrates:

1. a first half ring; 2. a second half ring; 3. a connecting assembly; 6. a water stop bar; 7. a liquid absorption layer; 8. a rubber strip; 9. a sealing cover; 10. a secondary seal strip; 11. a primary seal strip; 12. a wear layer; 31. a limiting groove; 32. a limiting block; 33. a groove; 34. a rectangular groove; 35. a connecting spring; 36. positioning a block; 37. a control lever.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may 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 as a specific case by those skilled in the art.

Example 1:

referring to fig. 1-4, a combined sealing gasket includes a first half ring 1 and a second half ring 2, the first half ring 1 and the second half ring 2 are fixedly installed through a connection assembly 3, the connection assembly 3 includes a limiting groove 31, a limiting block 32 is disposed inside the limiting groove 31, a corner of one end of the limiting block 32 is arc-shaped, a groove 33 is formed inside the limiting block 32, a rectangular groove 34 is formed inside the first half ring 1 and located at one side of the limiting groove 31, a positioning block 36 is fixedly connected to an inner wall of the rectangular groove 34 through a connection spring 35, the positioning block 36 is adapted to the groove 33, the corner of the bottom end of the positioning block 36 is arc-shaped, a control rod 37 is fixedly connected to the positioning block 36, a sealing cover 9 is movably connected to an upper side of the control rod 37 inside the first half ring 1, the sealing cover 9 is movably connected to an upper side of the control rod 37, when the first half ring 1 or the second half ring 2 is damaged, the sealing cover 9 is opened to pull the control rod 37 to detach and replace the first half ring 1 and the second half ring 2, a sealing gasket 6 is fixedly connected to tightly connect two ring sealing gaskets, thereby preventing the sealing gasket from a gap between the two ring bodies.

The sealing rod 6 is water-swelling rubber, the size of the sealing rod 6 is matched with the first half ring 1, the rubber is swelled and deformed after meeting water, gaps of seams are filled, huge contact pressure is generated at the same time, and leakage can be prevented.

The equal fixedly connected with rubber strip 8 in both sides of spacing groove 31 inner wall, the cross section of rubber strip 8 is three horn shapes, rubber strip 8 can produce deformation under the effect of extrusion force when stopper 32 imbeds in the spacing groove 31, the installation is accomplished the back, rubber strip 8 after taking place to deform can block up the gap between stopper 32 and the spacing groove 31, prevent seal gasket when using, liquid flows from stopper 32 and spacing groove 31's seam, strengthens its sealed effect.

The inside bottom fixedly connected with imbibition layer 7 of spacing groove 31, the material of imbibition layer 7 is the sponge, and imbibition layer 7 can absorb liquid when liquid flows into spacing groove 31, prevents to leak out too much liquid, further strengthens its sealed effect.

The top of the first half ring 1 and the top of the second half ring 2 are both fixedly connected with a main sealing strip 11.

The top of the first half ring 1 and the second half ring 2 are respectively fixedly connected with an auxiliary sealing strip 10 at the periphery of the main sealing strip 11, and a double-layer sealing ring can be formed by the auxiliary sealing strips and the main sealing strip 11, so that the sealing effect is enhanced.

The outer surface cover of first semi-ring 1 and second semi-ring 2 is equipped with wearing layer 12, and the material of wearing layer 12 is natural rubber, and its resistance to compression abrasion is stronger to certain elasticity has, multiplicable seal gasket's life.

The working principle is that during assembly, the limiting block 32 is inserted into the limiting groove 31, the limiting block 32 extrudes the rectangular groove 34 on the positioning block 36 to move, the connecting spring 35 is extruded, when the limiting block 32 is pushed to a certain distance, the positioning block 36 is inserted into the groove 33 by means of the elasticity of the connecting spring 35, when the limiting block 32 is embedded into the limiting groove 31, the rubber strip 8 deforms under the action of extrusion force, after installation is completed, the deformed rubber strip 8 can block a gap between the limiting block 32 and the limiting groove 31, when the sealing gasket is used, liquid can be prevented from flowing out of the seam between the limiting block 32 and the limiting groove 31, the sealing effect of the gasket is enhanced, then the gasket is integrally installed at a position needing sealing, when liquid leaks into the sealing gasket, the water stop strip 6 on the first half ring 1 can expand in the presence of water, the gap at the splicing position is filled, excessive liquid leakage is prevented, the two annular sealing gaskets can be tightly connected, the phenomenon that the gap is generated due to instability of the working environment is avoided, the medium leaks from the splicing position of the two circular bodies is avoided, and the sealing performance of the gasket is enhanced.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. A combined sealing gasket, comprising a first half-ring (1) and a second half-ring (2), characterized in that: first semi-ring (1) passes through coupling assembling (3) fixed mounting with second semi-ring (2), coupling assembling (3) are including spacing groove (31), the inside of spacing groove (31) is provided with stopper (32), recess (33) have been seted up to the inside of stopper (32), rectangular channel (34) have been seted up to the inside of first semi-ring (1) and the one side that is located spacing groove (31), connecting spring (35) fixedly connected with locating piece (36) are passed through to the inner wall of rectangular channel (34), locating piece (36) and recess (33) looks adaptation, fixedly connected with control lever (37) on locating piece (36), the upside swing joint that just is located control lever (37) in the inside of first semi-ring (1) has sealed lid (9), one side fixedly connected with stagnant water strip (6) of first semi-ring (1).

2. The combination gasket seal of claim 1, wherein: the water stop strip (6) is made of water-swelling rubber, and the size of the water stop strip (6) is matched with the first half ring (1).

3. The combination gasket seal of claim 1, wherein: the equal fixedly connected with rubber strip (8) in both sides of spacing groove (31) inner wall, the cross section of rubber strip (8) is triangle-shaped.

4. The combination gasket seal of claim 1, wherein: the bottom inside the limiting groove (31) is fixedly connected with a liquid absorbing layer (7).

5. The combination gasket seal of claim 1, wherein: the top parts of the first half ring (1) and the second half ring (2) are fixedly connected with a main sealing strip (11).

6. The combination gasket seal of claim 1, wherein: the top of the first half ring (1) and the top of the second half ring (2) are both fixedly connected with an auxiliary sealing strip (10) on the periphery of the main sealing strip (11).

7. The combination gasket seal of claim 1, wherein: the outer surfaces of the first half ring (1) and the second half ring (2) are sleeved with wear-resistant layers (12).