CN115949792B - Connecting valve - Google Patents

Abstract

The invention relates to the field of valves, in particular to a connecting valve, which comprises a valve body, wherein two connecting pipes are fixedly connected to the valve body, an inclined plane sleeve and a retaining cover are fixedly connected to the two connecting pipes, two supporting frames are fixedly connected to the two retaining covers, a threaded sleeve is fixedly connected to the middle of each supporting frame, two threaded sleeves are respectively connected with a sleeve through threads, a plurality of rubber rings are fixedly connected to the two sleeves, one ends of the two sleeves are respectively in a conical opening, a sliding frame is fixedly connected to the two supporting frames, two groove rods are respectively connected to the sliding frame in a sliding manner, a shaping cover is respectively fixedly connected to each groove rod, a rubber extruding pipe is respectively fixedly connected to each shaping cover, and a plurality of convex edges are respectively arranged in each shaping cover.

Description

Connecting valve

Technical Field

The invention relates to the field of valves, in particular to a connecting valve.

Background

The valve is a control component in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, splitting flow or overflow pressure relief and the like, is used for the fluid control system, and is quite various in variety and specification from the simplest stopping valve to various valves used in a very complex automatic control system, the valve is required to be connected with a plastic pipe when in use, and the conventional connecting method is to use a clamp or directly use an adhesive for bonding, but the sealing performance of the mode is poor, and the phenomenon of leakage at the connecting part is easy to occur.

Disclosure of Invention

In view of the above, the technical problem to be solved by the present invention is to provide a connecting valve, which can increase the tightness of the joint between the valve and the plastic pipe by squeezing and deforming the plastic pipe.

The utility model provides a connecting valve, includes the valve body, two connecting pipes of fixedly connected with on the valve body, equal fixedly connected with inclined plane cover and fender cover on two connecting pipes, two equal fixedly connected with support frames on two fender covers, equal fixedly connected with thread bush in the middle of every support frame, all have the sleeve pipe through threaded connection on two thread bushes, a plurality of rubber rings of equal fixedly connected with in two sleeve pipes.

One end of each sleeve is conical and open.

Two equal fixedly connected with balladeur train on the support frame, equal sliding connection has two grooved bars on every balladeur train, equal fixedly connected with design cover on every grooved bar.

And each shaping cover is fixedly connected with a rubber extrusion pipe.

A plurality of convex edges are arranged in each shaping cover.

Two elastic sheets are fixedly connected between each groove rod and the sliding frame.

Two deflector rods are rotatably connected to the two support frames, and each deflector rod is respectively contacted with one groove rod.

Drawings

The invention will be described in further detail with reference to the accompanying drawings and detailed description.

FIGS. 1 and 2 are schematic views showing the overall structure of a connecting valve;

FIG. 3 is a structural cross-sectional view of the valve body;

FIG. 4 is a schematic view of a shield;

FIG. 5 is a schematic view of the structure of the bevel boot;

FIG. 6 is a schematic structural view of a sleeve;

FIG. 7 is a schematic structural view of a support frame;

FIG. 8 is a schematic structural view of the shaping cover;

FIG. 9 is a schematic view of the structure of a grooved bar;

FIG. 10 is a schematic view of the structure of the extruded tube.

Detailed Description

The present invention will be described in detail with reference to the drawings in the embodiments of the present invention.

Referring to fig. 4-6, there are shown schematic views of embodiments according to the present invention capable of increasing the sealability of the connection of the valve body 101 with the plastic tube by squeezing and deforming the plastic tube, further,

the utility model provides a connecting valve, includes valve body 101, two connecting pipes 102 of welding fixedly connected with on the valve body 101, all welded connection has inclined plane cover 103 and keeps off cover 104 on two connecting pipes 102, all through two support frames 302 of bolt fixedly connected with on two keeps off covers 104, all fixedly connected with thread bush 301 in the middle of every support frame 302, all be connected with sleeve pipe 201 through screw thread 202 on two thread bushes 301, all bond fixedly connected with a plurality of rubber rings 203 in two sleeve pipes 201.

When the valve body 101 is connected with the plastic pipe, the plastic pipe is firstly inserted into a gap between the sleeve 201 and the connecting pipe 102, then the inclined plane sleeve 103 and the plastic pipe are extruded by force, the plastic pipe is sleeved on the inclined plane sleeve 103, the plastic pipe port is deformed, and is wrapped on the inclined plane sleeve 103, the plastic pipe and the inclined plane sleeve 103 are in interference fit, so that the tightness of the connection between the plastic pipe and the connecting pipe 102 can be improved, at the moment, the sleeve 201 is rotated, the sleeve 201 and the threaded sleeve 301 are connected through the threads 202, so that the sleeve 201 gradually moves towards the inclined plane sleeve 103, when the sleeve 201 is close to the inclined plane sleeve 103, the gap between the sleeve 201 and the inclined plane sleeve 103 can be gradually reduced, so that the extrusion effect on the plastic pipe wall is generated, the tightness between the plastic pipe and the connecting pipe 102 is further improved, the plurality of rubber rings 203 in the connecting pipe 102 play the role of increasing the tightness, the gap between the connecting pipe 102 and the plastic pipe can be filled, the liquid blocking effect is achieved, and meanwhile, the friction force between the connecting pipe 102 and the plastic pipe is also increased, and the two are not easy to separate.

Referring to fig. 5-6, there are shown schematic views of embodiments of the present invention that enable a plurality of rubber rings 203 within a sleeve 201 to be compressed, further,

two sleeve 201 one end is the toper is uncovered, and when sleeve 201 is close to inclined plane cover 103 gradually, the toper of sleeve 201 is uncovered can be with the inclined plane on the inclined plane cover 103 cooperation gradually to reach the purpose that reduces the gap between connecting pipe 102 and the plastic tubing slowly, make a plurality of rubber rings 203 in the sleeve 201 can receive the extrusion, play better sealed effect.

Referring to fig. 7-10, there are shown schematic diagrams of embodiments of the present invention that enable tight cling to the bevel of the bevel boot 103 at the port of the plastic tubing, further,

the two support frames 302 are fixedly connected with the sliding frames 503 through bolts, each sliding frame 503 is slidably connected with two groove rods 502, grooves for matching sliding of the sliding frames 503 are formed in each groove rod 502, and each groove rod 502 is fixedly connected with the shaping cover 401 through bolts.

The shaping cover 401 is used for extruding and shaping the deformed plastic pipe, after the connecting pipe 102 is inserted into the plastic pipe, the end part of the plastic pipe is contacted with the inclined plane sleeve 103 to generate deformation, at the moment, the upper and lower two groove rods 502 are controlled to slide on the two sliding frames 503 respectively, so that the upper and lower shaping covers 401 are close to the port of the plastic pipe, after the two shaping covers 401 are buckled, the port of the plastic pipe can be extruded and shaped, the port of the plastic pipe can be tightly attached to the inclined plane of the inclined plane sleeve 103, and the tightness is further ensured.

Referring to fig. 10, there is shown a schematic view of the effect of ensuring the firmness between the plastic tube and the bevel sleeve 103 while improving the water repellency according to the present invention, further,

each shaping cover 401 is fixedly connected with a rubber extrusion pipe 403 through bolts.

The glue squeezing tube 403 is used for squeezing out adhesive between the shaping cover 401 and the plastic tube, after the plastic tube is shaped by buckling the upper shaping cover 401 and the lower shaping cover 401, a worker can squeeze out the adhesive between the shaping cover 401 and the plastic tube through the glue squeezing tube 403 on the two shaping covers 401, so that the adhesive overflows from the shaping cover 401, the port of the plastic tube is bonded with the inclined plane sleeve 103, the waterproof performance is further improved, and the firmness between the plastic tube and the inclined plane sleeve 103 can be ensured under the pressing of the two shaping covers 401.

Referring to fig. 7-8, there are shown schematic views of embodiments of a space capable of providing flash for a sizing cover 401 in accordance with the present invention, further,

a plurality of ribs 402 are provided in each of the shaping caps 401.

The plurality of ribs 402 provide a space for glue to overflow for the sizing cover 401, and when the adhesive is extruded from the sizing cover 401, the adhesive can overflow along the gap formed by the plurality of ribs 402, so that the gap is filled, and the adhesive can be fully distributed inside the sizing cover 401.

Referring to fig. 9, there is shown a schematic view of an embodiment of the present invention capable of ensuring that the sizing cover 401 is disengaged from the bevel bush 103 in a normal state, further,

two elastic sheets 504 are fixedly connected between each grooved rod 502 and the carriage 503 by welding.

Under the elastic action of the two elastic pieces 504 in the normal state, the groove rod 502 drives the shaping cover 401 to separate from the inclined plane sleeve 103, when shaping and glue extrusion are needed, the groove rod 502 can be used for enabling the groove rod 502 to drive the shaping cover 401 to extrude a plastic pipe on the inclined plane sleeve 103, meanwhile, the two elastic pieces 504 are stressed to bend, when the adhesive is air-dried, the shaping cover 401 is fixed on the inclined plane sleeve 103, and the groove rod 502 cannot reset automatically.

Referring to fig. 9, there is shown a schematic diagram of an embodiment that can serve as a convenience and power saving feature in accordance with the present invention, further,

two levers 501 are rotatably connected to the two support frames 302 through shafts, and each lever 501 is respectively contacted with one groove lever 502.

When the sizing and glue extrusion are needed, a worker only needs to pull the upper deflector rod 501 and the lower deflector rod 501, so that the two deflector rods 501 respectively stir the two groove rods 502, thereby realizing the buckling function of the two sizing covers 401 and playing a role in facilitating and saving power.

Referring to fig. 3, there is shown an intention of an embodiment capable of realizing the opening and closing function of the valve body 101 according to the present invention, further,

the upper end of the valve body 101 is fixedly connected with a hand wheel through bolts, and the opening and closing functions of the valve body 101 can be realized by rotating the hand wheel.

Referring to fig. 5, there is shown an illustration of an embodiment in accordance with the present invention that facilitates deforming a plastic tube, further,

each of the bevel sleeves 103 is made of iron, and the bevel sleeves 103 made of iron are hard, so that the plastic pipe can be deformed when the plastic pipe is inserted.

Claims (5)

1. A connecting valve, characterized in that: the novel valve comprises a valve body (101), wherein two connecting pipes (102) are fixedly connected to the valve body (101), inclined plane sleeves (103) and retaining covers (104) are fixedly connected to the two connecting pipes (102), two supporting frames (302) are fixedly connected to the two retaining covers (104), threaded sleeves (301) are fixedly connected to the middle of each supporting frame (302), sleeves (201) are connected to the two threaded sleeves (301) through threads (202), and a plurality of rubber rings (203) are fixedly connected to the two sleeves (201); the two supporting frames (302) are fixedly connected with the sliding frames (503), each sliding frame (503) is slidably connected with two groove rods (502), and each groove rod (502) is fixedly connected with the shaping cover (401); each shaping cover (401) is fixedly connected with a rubber extrusion pipe (403); a plurality of convex edges (402) are arranged in each shaping cover (401); two elastic sheets (504) are fixedly connected between each groove rod (502) and the carriage (503); two deflector rods (501) are rotatably connected to the two support frames (302), and each deflector rod (501) is respectively contacted with one groove rod (502).

2. A connecting valve as defined in claim 1, wherein: one end of each sleeve (201) is conical open.

3. A connecting valve as defined in claim 1, wherein: the valve body (101) is a ball valve.

4. A connecting valve as defined in claim 1, wherein: and the upper end of the valve body (101) is fixedly connected with a hand wheel.

5. A connecting valve as defined in claim 1, wherein: each inclined plane sleeve (103) is made of iron.