CN216692584U

CN216692584U - Anti-leakage sealing device for heating and ventilation pipeline

Info

Publication number: CN216692584U
Application number: CN202122550636.1U
Authority: CN
Inventors: 江凤英
Original assignee: Hangzhou Jiangpeng Cooling And Heating Equipment Engineering Co ltd
Current assignee: Hangzhou Jiangpeng Cooling And Heating Equipment Engineering Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-06-07
Anticipated expiration: 2031-10-22

Abstract

The utility model belongs to the technical field of heating and ventilation pipeline sealing, and particularly relates to a leakage-proof sealing device for a heating and ventilation pipeline, which comprises a connecting flange body, symmetrical heating and ventilation pipelines arranged in the connecting flange body, a flange plate sleeved on the outer side of the heating and ventilation pipelines, and a sealing ring arranged on the inner wall of the flange plate; at the internally mounted's of warm logical pipeline seal assembly, strengthen sealed effect, effective leak protection through the coupling assembling of installation in the outside of ring flange, increases joint strength, avoids the pipe connection department not hard up.

Description

Anti-leakage sealing device for heating and ventilation pipeline

Technical Field

The utility model belongs to the technical field of heating and ventilation pipeline sealing, and particularly relates to a leakage-proof sealing device for a heating and ventilation pipeline.

Background

The sealing washer is the device that is used for the leak protection to seal in the warm logical pipe connection, at the sealed in-process of warm logical pipe, places the inner wall groove department at a set of connection flange after the surface coating emollient of sealing washer earlier, then is close to two sets of connection flange to through outside bolt fixed connection, generally speaking, current sealing washer can appear ageing problem after long-time the use, leads to the sealed inefficacy of junction of two sets of warm logical pipes, influences normal use.

In order to solve the problems, the application provides a leakage-proof sealing device for a heating and ventilation pipeline.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a leakage-proof sealing device for a heating and ventilation pipeline, which has the characteristics of enhancing the sealing effect and increasing the connection strength.

In order to achieve the purpose, the utility model provides the following technical scheme: a leakage-proof sealing device for a heating and ventilation pipeline comprises a connecting flange body, symmetrical connecting pipelines arranged inside the connecting flange body, a flange plate sleeved outside the connecting pipelines and a sealing ring arranged on the inner wall of the flange plate, wherein a sealing assembly is arranged inside the connecting pipelines;

seal assembly includes the solid fixed ring of the seal ring A of annular design, the sleeve A that cavity set up and the sleeve B that cavity set up, seal ring A is located relatively connecting tube's junction, and with connecting tube's inboard wall is laminated mutually, seal ring A's outer wall one side is equipped with solid fixed ring, gu fixed ring's lateral wall with connecting tube's inside wall fixed connection, gu fixed ring cover establishes sleeve A's the outside, and with sleeve A's lateral wall fixed connection, sleeve A's lateral surface is equipped with the external screw thread, sleeve A pass through the external screw thread with sleeve B's inner wall threaded connection, sleeve A's lateral surface with seal ring A's inboard wall is laminated mutually, seal ring A's outer wall is kept away from gu fixed ring one side with sleeve B's one end is laminated mutually.

Preferably, the sealing assembly further comprises a clamping block and a return spring A which are in T-shaped design, the outer side wall of the sleeve B is symmetrically provided with an inner cavity, the inner side wall of the connecting pipeline is symmetrically provided with clamping grooves, the clamping block is positioned in the inner cavity of the sleeve B, the protruding end of the clamping block extends into the inner wall of the clamping groove of the connecting pipeline, and the return spring A is fixedly connected between the outer wall of the clamping block and the inner wall of the inner cavity of the sleeve B.

Preferably, the sealing assembly further comprises a sealing ring B, a return spring B and a sliding block which are designed in an annular manner, a groove A is formed in the joint of the opposite connecting pipeline, the outer wall of the sealing ring B is attached to the inner wall of the groove A of the connecting pipeline, the inner part of the connecting pipeline is symmetrically provided with the groove B, the return spring B and the sliding block are both positioned in the groove B of the connecting pipeline, two ends of the return spring B are respectively fixedly connected with the inner wall of the groove B of the connecting pipeline and the outer wall of the sliding block, and one side, away from the return spring B, of the outer wall of the sliding block is in contact connection with the surface of the sealing ring B.

Preferably, the sealing ring B and the sealing ring are located on the same vertical horizontal line, and the surface of the sealing ring B is attached to the surface of the sealing ring.

The leakage-proof sealing device for the heating and ventilation pipeline is preferable, and further comprises a connecting assembly arranged on the outer side of the flange plate, wherein the connecting assembly comprises a clamp plate with a semicircular design, a limiting ring with a semicircular design and a fixing plate, the clamp plate is sleeved on the outer side of the flange plate and symmetrically arranged, the limiting ring is fixedly connected to two sides of the outer wall of the opposite clamp plate, the surface of the limiting ring is attached to the outer wall of the flange plate, one end of the opposite clamp plate is hinged through a hinge, the outer wall of the other end of the opposite clamp plate is fixedly connected with the fixing plate, and the opposite fixing plate is fixedly connected through an external bolt.

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

through the seal assembly at the internally mounted of warm logical pipeline, strengthen sealed effect, effective leak protection through the coupling assembling of installation in the outside of ring flange, increases joint strength, avoids the pipe connection department not hard up.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

FIG. 2 is a schematic view of the connection structure of the fixing ring, the sleeve A and the sleeve B in the present invention;

FIG. 3 is a schematic view of the inner structure of a sleeve B according to the present invention;

FIG. 4 is a schematic view of a connection structure of a seal ring B, a return spring B and a slider in the present invention;

FIG. 5 is a schematic view of a connecting assembly according to the present invention;

FIG. 6 is a schematic sectional front view of a connecting assembly of the present invention;

in the figure:

1. a connecting flange body; 101. connecting a pipeline; 102. a flange plate; 103. a seal ring;

2. a seal assembly; 201. a sealing ring A; 202. a fixing ring; 203. a sleeve A; 204. a sleeve B; 205. a clamping block; 206. a return spring A; 207. a seal ring B; 208. a return spring B; 209. a slider;

3. a connecting assembly; 301. a splint; 302. a limiting ring; 303. and (7) fixing the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1:

the utility model provides a warm leak protection sealing device for logical pipeline, includes flange body 1 and sets up at the inside symmetrical connecting tube 101 of flange body 1, the cover establish the ring flange 102 in the connecting tube 101 outside and set up the sealing washer 103 at the ring flange 102 inner wall.

In this embodiment: all welded the ring flange 102 in two sets of connecting tube 101's port department, the junction of two sets of connecting tube 101 of the corresponding surface of two sets of ring flanges 102 has all been seted up and has been put the thing groove, when sealing up the junction of two sets of connecting tube 101, place the inner wall at a set of ring flange 102 after need earlier sealing washer 103's surface coating emollient and put thing groove department, then be close to two sets of ring flanges 102, and through outside bolt fixed connection, generally speaking, current sealing washer 103 can appear ageing problem after long-time the use, lead to the sealed inefficacy of junction of two sets of connecting tube 101, influence normal use, borrow this and add seal assembly 2 on the basis.

Further, the following steps:

as shown in fig. 1-4:

with the above in mind:

seal assembly 2 includes the sealing ring A201 of annular design, the solid fixed ring 202 of annular design, the sleeve A203 that cavity set up and the sleeve B204 that cavity set up, sealing ring A201 is located relative connecting tube 101's junction, and laminate mutually with connecting tube 101's inboard wall, sealing ring A201's outer wall one side is equipped with solid fixed ring 202, gu fixed ring 202's lateral wall and connecting tube 101's inside wall fixed connection, gu fixed ring 202 overlaps the outside at sleeve A203, and with sleeve A203's lateral wall fixed connection, sleeve A203's lateral surface is equipped with the external screw thread, sleeve A203 passes through the internal wall threaded connection of external screw thread with sleeve B204, sleeve A203's lateral surface and sealing ring A201's inboard wall laminate mutually, one side that solid fixed ring 202 was kept away from to sealing ring A201's outer wall laminates mutually with sleeve B204's one end.

In this embodiment:

the existing pipeline sealing device is mostly sleeved outside a pipeline joint, but lacks the sealing to the inner side of the pipeline joint, in order to perfect the leakage-proof sealing of the pipeline, the sealing ring A201 is arranged on the inner wall of the pipeline joint to ensure the sealing to the inner side of the pipeline joint, a fixing ring 202 is arranged on one side of the outer wall of the sealing ring A201, the outer side wall of the fixing ring 202 is fixedly connected with the inner side wall of the connecting pipeline 101, the outer wall of the sealing ring A201 is limited to be close to one side of the fixing ring 202, a sleeve A203 is fixedly connected with the inner side wall of the fixing ring 202, the inner side wall of the sealing ring A201 is slidably connected with the outer side wall of the sleeve A203, so that the sealing ring A201 is always attached to the inner side wall of the connecting pipeline 101, the sleeve A203 is in threaded connection with the inner side surface of the sleeve B204 through external threads, and therefore, the sleeve B204 can be gradually close to the sealing ring A201 sleeved outside the sleeve A203 through rotating sleeve B204, and then the opposite side of spacing sealing ring A201 outer wall, four sides of the outer wall of sealing ring A201 are all spacing from this to guarantee the inboard of sealing ring A201 sealed pipeline junction, strengthen sealed effect, effective leak protection.

It should be noted that: the height of the sleeve B204 plus the height of the seal ring a201 should be slightly less than the height of the sleeve a203 to ensure that the sleeve B204 can firmly abut the outer wall of the seal ring a 201.

Further, the method comprises the following steps:

in an alternative embodiment:

the sealing assembly 2 further comprises a clamping block 205 and a return spring A206 which are designed in a T shape, an inner cavity is symmetrically formed in the outer side wall of the sleeve B204, a clamping groove is symmetrically formed in the inner side wall of the connecting pipeline 101, the clamping block 205 is located in the inner cavity of the sleeve B204, the protruding end of the clamping block 205 extends into the inner wall of the clamping groove of the connecting pipeline 101, and the return spring A206 is fixedly connected between the outer wall of the clamping block 205 and the inner wall of the inner cavity of the sleeve B204.

In this embodiment:

based on the above, the sleeve a203 and the sleeve B204 are located on the inner side of the connecting pipe 101 for a long time, and are easily corroded by water vapor, so that the external thread between the sleeve a203 and the sleeve B204 slides, and further the sleeve a203 and the sleeve B204 loosen, so that the sealing ring a201 slides and separates from the inner side of the pipe joint, in order to perfect the leak-proof seal of the pipe, an inner cavity is symmetrically formed on the outer side wall of the sleeve B204, and the inner cavity is provided with the fixture blocks 205 with protruding surfaces, so that the fixture blocks 205 can slide up and down in the inner cavity, the fixture blocks 205 can extend out of the outer side wall of the sleeve B204 under the elastic force of the reset springs a206 by fixedly connecting the reset springs a206 between the fixture blocks 205 and the inner wall of the inner cavity, and the inner side wall of the connecting pipe 101 is provided with the fixture grooves at positions corresponding to the fixture blocks 205, so that after the sleeve a203 and the sleeve B204 are screwed, the protruding ends of the fixture blocks 205 slide along the inner side wall of the connecting pipe 101, and enter the clamping groove, so that the sleeve B204 is clamped on the inner side wall of the connecting pipeline 101 through the clamping block 205, the position of the sleeve B204 is fixed, and looseness between the sleeve A203 and the sleeve B204 is avoided.

It should be noted that: two sets of fixture blocks 205 are preferably arranged, and the connection strength between the sleeve B204 and the connecting pipe 101 can also be increased by arranging a plurality of sets of fixture blocks 205 and clamping grooves.

Further, the method comprises the following steps:

in an alternative embodiment: seal assembly 2 still includes the sealing ring B207 of annular design, reset spring B208 and slider 209, recess A has been seted up to relative connecting tube 101's junction, the outer wall of sealing ring B207 is laminated with connecting tube 101 recess A's inner wall mutually, recess B has been seted up to connecting tube 101's inside symmetry, reset spring B208 and slider 209 all are located connecting tube 101 recess B's inside, reset spring B208's both ends respectively with connecting tube 101 recess B's inner wall and slider 209's outer wall fixed connection, one side that reset spring B208 was kept away from to slider 209's outer wall is connected with sealing ring B207's surface contact.

In an alternative embodiment: the sealing ring B207 and the sealing ring 103 are positioned on the same vertical horizontal line, and the surface of the sealing ring B207 is attached to the surface of the sealing ring 103.

In this embodiment:

the sealing ring 103 sleeved outside the pipeline joint is easy to age under the influence of high temperature and water vapor for a long time, thereby causing sealing failure, in order to perfect the leak-proof sealing of the pipeline, the sealing ring B207 is arranged on the inner side of the sealing ring 103, so that the high temperature and the water vapor in the connecting pipeline 101 firstly influence the sealing ring B207, further the aging speed of the sealing ring 103 is slowed down, the sealing ring B207 can be arranged inside the groove A by arranging the groove A on the outer side of the joint of the two groups of connecting pipelines 101, the groove B is arranged on the inner side wall of the groove A, so that one side of the outer wall of the sealing ring B207 can be contacted with the opening of the groove B, the sliding block 209 is arranged on the opening of the groove B, so that the sliding block 209 can be contacted with the outer side surface of the sealing ring B207, the reset spring B208 is fixedly connected between the sliding block 209 and the inner wall of the groove B, so that the sliding block 209 is abutted against one side of the outer wall of the sealing ring B207 under the action of the elastic force of the reset spring B208, therefore, the two sides of the outer wall of the sealing ring B207 are limited by the sliding block 209 and the groove A respectively, and the outer side face of the sealing ring B207 is limited by the sealing ring 103, so that the sealing ring 103 is prevented from sliding accidentally.

It should be noted that: the size of the sealing ring 103 should be larger than that of the sealing ring B207, so as to ensure that the joint of the sealing ring B207 and the pipeline is completely covered.

As shown in fig. 1, 5 and 6:

with the above in mind: on the basis, the connecting component 3 is arranged on the outer side of the flange plate 102, so that the connecting strength is improved, and the looseness of the pipeline connecting position is avoided.

This warm leak protection sealing device for logical pipeline, still including setting up coupling assembling 3 in the ring flange 102 outside, coupling assembling 3 includes the splint 301 of semi-circular design, the spacing ring 302 and the fixed plate 303 of semi-circular design, splint 301 cover is established in the outside symmetry setting of ring flange 102, the equal fixedly connected with spacing ring 302 in relative splint 301's outer wall both sides, the surface of spacing ring 302 and the laminating of the outside wall of ring flange 102 mutually, it is articulated that the hinge is passed through to relative splint 301's one end, the equal fixedly connected with fixed plate 303 of the lateral wall of the other end of relative splint 301, relative fixed plate 303 is through external bolt fixed connection.

In this embodiment:

in the process of sealing the heating and ventilation pipeline, two groups of connecting pipelines 101 need to be connected with two groups of flange plates 102 through external bolts, the external bolts are easy to age after long-time use, gaps are formed between the two groups of flange plates 102, the sealing performance is affected, in order to strengthen the connecting strength of the two groups of flange plates 102, clamp plates 301 and limiting rings 302 are arranged on the outer sides of the flange plates 102, the clamp plates 301 and the limiting rings 302 are combined and welded to form a semi-protective sleeve shape, the clamp plates 301 and the limiting rings 302 are attached to the outer walls of the flange plates 102, the movement of the flange plates 102 is limited through the two groups of limiting rings 302, the connecting strength is increased, the pipeline joints are prevented from loosening, the clamp plates 301 are arranged into two groups and are sleeved on the upper surface and the lower surface of the flange plates 102, the outer side surfaces of the flange plates 102 are integrally coated, one ends of the two groups of clamp plates 301 are hinged, and the two groups of clamp plates 301 are convenient to open, at the other end fixedly connected with fixed plate 303 of two sets of splint 301 to through external bolt fixed connection, guarantee the centre gripping dynamics of splint 301, avoid splint 301 to slide along the lateral surface of ring flange 102.

It should be noted that: the limiting ring 302 is not in contact with the external bolt, so that the normal use of the external bolt is ensured.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a warm leak protection sealing device for logical pipeline, includes flange body (1) and sets up at inside symmetrical connecting tube (101) of flange body (1), the cover is established ring flange (102) in the connecting tube (101) outside and is set up sealing washer (103) at ring flange (102) inner wall, its characterized in that: a sealing assembly (2) is arranged inside the connecting pipeline (101);

the sealing assembly (2) comprises a sealing ring A (201) with an annular design, a fixing ring (202) with an annular design, a sleeve A (203) with a hollow structure and a sleeve B (204) with a hollow structure, wherein the sealing ring A (201) is located at the joint of the connecting pipeline (101) and is attached to the inner side wall of the connecting pipeline (101), the fixing ring (202) is arranged on one side of the outer wall of the sealing ring A (201), the outer side wall of the fixing ring (202) is fixedly connected with the inner side wall of the connecting pipeline (101), the fixing ring (202) is sleeved on the outer side of the sleeve A (203) and is fixedly connected with the outer side wall of the sleeve A (203), the outer side face of the sleeve A (203) is provided with an external thread, the sleeve A (203) is in threaded connection with the inner side wall of the sleeve B (204) through the external thread, the outer side face of the sleeve A (203) is attached to the inner side wall of the sealing ring A (201), one side of the outer wall of the sealing ring A (201), which is far away from the fixing ring (202), is attached to one end of the sleeve B (204).

2. The heating and ventilation duct leak-proof sealing device as set forth in claim 1, wherein: the sealing assembly (2) further comprises a clamping block (205) and a return spring A (206) which are in T-shaped design, an inner cavity is symmetrically formed in the outer side wall of the sleeve B (204), clamping grooves are symmetrically formed in the inner side wall of the connecting pipeline (101), the clamping block (205) is located in the inner cavity of the sleeve B (204), the protruding end of the clamping block (205) extends into the inner wall of the clamping groove of the connecting pipeline (101), and the outer wall of the clamping block (205) is fixedly connected with the return spring A (206) between the inner wall of the inner cavity of the sleeve B (204).

3. The heating and ventilation duct leak-proof sealing device as set forth in claim 1, wherein: seal assembly (2) still include sealing ring B (207), reset spring B (208) and slider (209) of annular design, it is relative connecting tube (101) the junction seted up recess A, the outer wall of sealing ring B (207) with connecting tube (101) recess A's inner wall is laminated mutually, recess B has been seted up to the inside symmetry of connecting tube (101), reset spring B (208) with slider (209) all are located connecting tube (101) recess B's inside, reset spring B (208)'s both ends respectively with connecting tube (101) recess B's inner wall with the outer wall fixed connection of slider (209), the outer wall of slider (209) is kept away from one side of reset spring B (208) with the surface contact of sealing ring B (207) is connected.

4. The heating and ventilation duct leak-proof sealing device as set forth in claim 3, wherein: the sealing ring B (207) and the sealing ring (103) are located on the same vertical horizontal line, and the surface of the sealing ring B (207) is attached to the surface of the sealing ring (103).

5. The heating and ventilation duct leak-proof sealing device as set forth in claim 1, wherein: still including setting up coupling assembling (3) in the ring flange (102) outside, coupling assembling (3) are including splint (301) of semi-circular design, spacing ring (302) and fixed plate (303) that the semicircle ring was designed, splint (301) cover is established the outside symmetry of ring flange (102) sets up, and is relative the equal fixedly connected with in outer wall both sides of splint (301) spacing ring (302), the surface of spacing ring (302) with the outside wall of ring flange (102) is laminated mutually, and is relative the one end of splint (301) is passed through the hinge and is articulated, and is relative the equal fixedly connected with of lateral wall of the other end of splint (301) fixed plate (303), it is relative fixed plate (303) are through external bolt fixed connection.