CN210484873U

CN210484873U - Point buckle push-type pipe fitting connecting device

Info

Publication number: CN210484873U
Application number: CN201921411421.8U
Authority: CN
Inventors: 于正伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-05-08
Anticipated expiration: 2029-08-28

Abstract

The utility model discloses a point buckle pushing-type pipe fitting connecting device, include: the pipe fitting comprises a pipe fitting body, a screw cap, a hard washer and a flexible washer, wherein a convex point is arranged at a pipeline interface connected with the pipe fitting connecting device, and the screw cap, the hard washer and the flexible washer are all sleeved on the pipeline interface; the pipe fitting body comprises an external thread interface, the flexible gasket is arranged at the joint of the external thread interface and the pipeline interface and is in sealing connection with the pipeline interface, the other side of the flexible gasket is in close contact with one side of the rigid gasket, the other side of the rigid gasket is in close contact with the salient point, and the nut is locked on the salient point. The point buckle ring push-type pipe fitting connecting device has good sealing performance, uniform pressure distribution at the interface and good tensile resistance; the connecting device has low tool cost and can be repeatedly used; the connection is simple, the construction is convenient, no electricity is needed, and a mechanical tool can be used for construction.

Description

Point buckle push-type pipe fitting connecting device

Technical Field

The utility model belongs to the pipe connection field especially relates to a point buckle pushing-type pipe fitting connecting device.

Background

The most widely used tubular product in the existing market is PPR pipe fitting and stainless steel pipe fitting, and the PPR pipe fitting is convenient because of its construction, connects pipe fitting construction tool easy operation and is equipped with the popularization. The stainless steel pipe fitting is more stable, healthy and environment-friendly than a PVC pipe fitting, the stainless steel can work safely for a long time at the temperature of-270-400 ℃, no harmful substances are separated out no matter at high temperature or low temperature, and the material performance is quite stable. However, the connection of the stainless steel pipe fittings is a key link influencing the development of the stainless steel pipe fittings, and the existing connection technology has the disadvantages of complex tools, high cost, long time consumption and high requirements on construction connection conditions. Therefore, the market demands a connecting device of stainless steel pipe fittings, which has simple construction, rapid installation, low price of construction tools and good sealing performance.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a point buckle push-type pipe fitting connecting device which has simple structure, low cost and can be repeatedly used; the installation is simple, and the leakproofness is good, is applicable to general stainless steel pipe fitting.

In order to achieve the above object, the utility model adopts the following technical scheme:

a point buckle push-on tubular connection comprising: the pipe fitting comprises a pipe fitting body, a screw cap, a hard washer and a flexible washer, wherein a convex point is arranged at a pipeline interface connected with the pipe fitting connecting device, and the screw cap, the hard washer and the flexible washer are all sleeved on the pipeline interface; the pipe fitting body comprises an external thread interface, the flexible gasket is arranged at the joint of the external thread interface and the pipeline interface and is in sealing connection with the pipeline interface, the other side of the flexible gasket is in close contact with one side of the rigid gasket, the other side of the rigid gasket is in close contact with the salient point, and the nut is locked on the salient point.

Preferably, a conical sealing cabin is arranged at the outer thread interface.

More preferably, the periphery of the flexible gasket is conical and is attached to the conical sealing bin.

The optimization effect that this optimization scheme brought makes its laminating pipeline through bulldozing flexible packing ring, and the binding face receives shearing force and pressure effect for the junction leakproofness is better.

Preferably, one end of the nut is provided with an inner edge for locking the salient point.

The optimization effect that this optimization scheme brought is edgewise padlock in the nut the bump makes the nut and the fastening of connected pipeline more stable, is difficult for producing the displacement.

Preferably, the inner diameter of the flexible gasket is the same as the outer diameter of the connected pipe, and the inner diameter of the hard gasket is 103-110% of the length of the outer diameter of the connected pipe.

Preferably, the hard washer is a stainless steel washer, and the flexible washer is a silica gel washer.

The optimization effect that this optimization scheme brought is that hard packing ring combines together with flexible packing ring for pressure atress is even and stretch-proofing nature is good.

More preferably, the tubular connection means and the connected conduits are both common 304-series or 316-series stainless steel castings.

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

1. a some buckle pushing-type pipe fitting connecting device outer silk kneck be equipped with sealed storehouse, and have flexible packing ring rather than laminating mutually, greatly improved the leakproofness.

2. A hard packing ring of some buckle pushing-type pipe fitting connecting device combine together with flexible packing ring for the pressure distribution of kneck is even, and stretch-proofing nature is good.

3. A point buckle pushing-type pipe fitting connecting device instrument cost is low, can recycle moreover.

4. A point buckle pushing-type pipe fitting connecting device connect simply, construction convenience need not the power consumption, mechanical type instrument just can be under construction.

Drawings

Fig. 1 is a schematic view of a pipe body structure of a point buckle push-type pipe connection device according to the present invention.

Fig. 2 is a schematic view of a pipe joint structure connected by a point buckle push-type pipe connecting device according to the present invention.

Fig. 3 is a schematic structural diagram of a silica gel washer of the point buckle push-type pipe connecting device according to the present invention.

Fig. 4 is a schematic view of the nut structure of the point buckle push type pipe connection device of the present invention.

Fig. 5 is a connection diagram of a point buckle push type pipe connection device according to the present invention.

1. The pipe fitting comprises a pipe fitting body, 11, an external thread connector, 12 and a conical sealing bin; 2. a silica gel gasket; 3. a stainless steel washer; 4. a nut, 41, an inner rim; 5. pipe interface, 51, salient point.

Detailed Description

For a better understanding of the present invention, the contents of the present invention will be further clarified below with reference to the accompanying drawings and examples, but the present invention is not limited to the following examples.

Examples

In the description of the present invention, it is to be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are all the directions or positional relationships shown on the drawings, and the objects are only for convenience of description of the present invention and simplification of description, and do not indicate or imply that the parts indicated must have a specific direction, be constructed and operated in a specific direction, and thus, are not to be construed as limiting the present invention.

As shown in fig. 1 to 4, a point buckle push type pipe connecting device includes: the pipe fitting comprises a pipe fitting body 1, a nut 4, a hard gasket and a flexible gasket, wherein a convex point 51 is arranged at a pipe joint 5 connected with the pipe fitting connecting device, and the nut 4, the hard gasket and the flexible gasket are all sleeved on the pipe joint 5. In this embodiment, the pipe connecting device and the connected pipeline are both general 304-series or 316-series stainless steel castings, and the pipe connecting device is suitable for all thin-wall metal pipelines. The hard washer is a stainless steel washer 3, the flexible washer is a silica gel washer 2, the inner diameter of the silica gel washer 2 is the same as the outer diameter of the connected pipeline, and the inner diameter of the stainless steel washer 3 is 103% -110% of the length of the outer diameter of the connected pipeline.

The pipe fitting body 1 comprises an outer screw connector 11, a conical sealing bin 12 is arranged at the outer screw connector 11, and the periphery of the silica gel gasket 2 is conical and is attached to the conical sealing bin 12. The silica gel gasket 2 is arranged at the joint of the external thread interface 11 and the pipeline interface 5 and is in sealing connection with the pipeline interface, the other side of the silica gel gasket 2 is in close contact with one side of the stainless steel gasket 3, the other side of the stainless steel gasket 3 is in close contact with the salient point 51, the screw cap 4 is locked on the salient point 51 in a buckling mode, and one end of the screw cap 4 is provided with an inner edge 41 used for locking the salient point 51 in a buckling mode.

As shown in fig. 5, the connection method of the point buckle push-type pipe connection device of the present invention is as follows:

1. the nut 4 is first inserted into the pipe joint 5 to be connected, and the end with the inner edge 41 is close to the pipe joint 5.

2. A tool is used to punch a uniform bead 51 at the pipe joint 5.

3. And sleeving the stainless steel gasket 3 on one side of the salient point 51 close to the pipeline interface 5, so that one side of the stainless steel gasket 3 is abutted against the salient point 51, and sleeving the silica gel gasket 2 so that the other side of the stainless steel gasket 3 is abutted against.

4. And inserting the connected pipeline into the external thread interface 11 through the pipeline interface 5, fastening the nut to enable the inner edge 41 of the nut 4 to buckle and lock the salient points 51, and fixing the nut 4 on the pipeline interface 5 to push and press the stainless steel gasket 3 and the silica gel gasket 2. At this time, the silica gel gasket 2 is pushed into the conical sealing bin 12, and finally, the silica gel gasket is fastened by a wrench to seal the connection part.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A point buckle push-type tubular connecting device, comprising: the pipe fitting comprises a pipe fitting body, a screw cap, a hard washer and a flexible washer, wherein a convex point is arranged at a pipeline interface connected with the pipe fitting connecting device, and the screw cap, the hard washer and the flexible washer are all sleeved on the pipeline interface; the pipe fitting body comprises an external thread interface, the flexible gasket is arranged at the joint of the external thread interface and the pipeline interface and is in sealing connection with the pipeline interface, the other side of the flexible gasket is in close contact with one side of the rigid gasket, the other side of the rigid gasket is in close contact with the salient point, and the nut is locked on the salient point.

2. The point buckle push-type tubular connection of claim 1, wherein a tapered seal cartridge is provided at said male wire interface.

3. The push-type pipe fitting connection of claim 2, wherein said flexible gasket is tapered around its periphery to conform to said tapered seal housing.

4. The push-type pipe fitting connection as claimed in claim 1, wherein said nut has an inner edge at one end for locking said protrusion.

5. The push-type pipe fitting connection of claim 1, wherein the inner diameter of the flexible gasket is the same as the outer diameter of the connected pipe, and the inner diameter of the rigid gasket is 103-110% of the length of the outer diameter of the connected pipe.

6. The point buckle push-type pipe connecting device as claimed in claim 1, wherein the rigid washer is a stainless steel washer and the flexible washer is a silicone washer.

7. The point buckle push-type pipe connection according to any one of claims 1 to 6, wherein the pipe connection and the connected pipes are all general 304-series or 316-series stainless steel castings.