CN213512547U

CN213512547U - Rotary universal joint

Info

Publication number: CN213512547U
Application number: CN202021828684.1U
Authority: CN
Inventors: 袁伟; 阮宁
Original assignee: Guangdong Wlr Technology Co ltd
Current assignee: Guangdong Wlr Technology Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-06-22
Anticipated expiration: 2030-08-27

Abstract

The utility model relates to a pipe fitting connects technical field, concretely relates to rotatory universal joint, take over including first takeover and with the second of first takeover intercommunication, first takeover includes the female joint of first body and tilt connection in the one end of first body, the sub-joint of second body and tilt connection in the one end of second body is taken over to the second, the lateral wall rotation of sub-joint support lean on in the inside wall of female joint. Connecting the female joint to one end of the first pipe body in an inclined manner, connecting the sub joint to one end of the second pipe body in an inclined manner, and enabling the outer side wall of the sub joint to abut against the inner side wall of the female joint in a rotating manner; when the pipe fitting is used, the first pipe body and the second pipe body are screwed to enable the sub-joint and the female joint to be matched and rotated, the size of an included angle between the first connecting pipe and the second connecting pipe can be changed, and more angles are provided for being adaptive to pipe fitting connection.

Description

Rotary universal joint

Technical Field

The utility model relates to a pipe fitting connects technical field, concretely relates to rotatory universal joint.

Background

Generally, two pipes with the same diameter are connected in a straight line, and if the pipe needs to change direction, a joint with a fixed bending angle is also needed. At present, the joints are divided into standard joints such as 90-degree joints or 45-degree joints for connection; however, no more angled joints are suitable for connecting with the pipe elements due to construction errors or building design reasons.

Disclosure of Invention

In order to overcome the defects and shortcomings existing in the prior art, the utility model aims to provide a rotary universal joint providing more angles.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a rotary universal joint, includes first takeover and takes over the second of intercommunication with first takeover, first takeover includes first body and the female joint of slope connection in the one end of first body, the second is taken over and is included second body and the sub-joint of slope connection in the one end of second body, the lateral wall of sub-joint rotatory support lean on in the inside wall of female joint.

Preferably, the female joint include with the female seat of annular that first body is connected and connect in the stopper of the inside wall of the female seat of annular, the sub-joint include with the annular subblock that the second body is connected and extend the convex ridge of the lateral wall of annular subblock, the convex ridge is rotatory to be supported in the inside wall of the female seat of annular, the stopper is used for the restriction the axial displacement of convex ridge.

Preferably, the number of the limiting blocks is 4, and the 4 limiting blocks are uniformly distributed on the inner side wall of the annular female seat.

Preferably, the outer side wall of the raised ridge is provided with an annular groove.

Preferably, the first connecting pipe further comprises a first corrugated pipe, one end of the first corrugated pipe is connected with the first pipe body, and a first connecting part extends from the other end of the first corrugated pipe; the second connecting pipe further comprises a second corrugated pipe, one end of the second corrugated pipe is connected with the second pipe body, and a second connecting portion extends from the other end of the second corrugated pipe.

Preferably, the outer circumference of the first bellows and the outer circumference of the second bellows are square and each corner recess forms a fillet.

The beneficial effects of the utility model reside in that: the rotary universal joint of the utility model connects the female joint obliquely with one end of the first pipe body, connects the sub-joint obliquely with one end of the second pipe body, and the outer side wall of the sub-joint is rotated to abut against the inner side wall of the female joint; when the pipe fitting is used, the first pipe body and the second pipe body are screwed to enable the sub-joint and the female joint to be matched and rotated, the size of an included angle between the first connecting pipe and the second connecting pipe can be changed, and more angles are provided for being adaptive to pipe fitting connection.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is an exploded schematic view of the present invention;

fig. 3 is a schematic structural view of another view angle of the present invention;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

fig. 5 is a schematic structural view of the utility model after the first pipe body and the second pipe body are screwed.

The reference signs are: 1. a first adapter tube; 11. a first pipe body; 12. a female joint; 121. an annular female seat; 122. a limiting block; 13. a first bellows; 2. a second adapter tube; 21. a second tube body; 22. a sub-junction; 221. a ring sub-block; 222. a raised ridge; 23. a second bellows; 3. an annular groove; 4. a first connection portion; 5. a second connecting portion; 6. a fillet.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.

As shown in fig. 1 to 5, a rotary universal joint includes a first connection pipe 1 and a second connection pipe 2 communicated with the first connection pipe 1, wherein the first connection pipe 1 includes a first pipe body 11 and a female joint 12 obliquely connected to one end of the first pipe body 11, the second connection pipe 2 includes a second pipe body 21 and a male joint 22 obliquely connected to one end of the second pipe body 21, and an outer side wall of the male joint 22 rotatably abuts against an inner side wall of the female joint 12.

The rotary universal joint connects the female joint 12 to one end of the first pipe 11 in an inclined way, connects the sub-joint 22 to one end of the second pipe 21 in an inclined way, and the outer side wall of the sub-joint 22 is in rotary support against the inner side wall of the female joint 12; when the pipe fitting is used, the first pipe body 11 and the second pipe body 21 are screwed to enable the sub-connector 22 and the female connector 12 to be matched and rotated, the size of an included angle between the first connecting pipe 1 and the second connecting pipe 2 can be changed, and more angles are provided for being matched with pipe fittings. Further, the first connecting pipe 1 is of an integrated structure, and the second connecting pipe 2 is of an integrated structure.

In this embodiment, the female joint 12 includes an annular female seat 121 connected to the first pipe 11 and a stop block 122 connected to an inner side wall of the annular female seat 121, the female joint 22 includes an annular sub-block 221 connected to the second pipe 21 and a raised ridge 222 extending from an outer side wall of the annular sub-block 221, the raised ridge 222 is rotatably abutted against the inner side wall of the annular female seat 121, and the stop block 122 is configured to limit axial movement of the raised ridge 222.

By adopting the technical scheme, when in use, the first pipe body 11 and the second pipe body 21 are screwed to ensure that the inner side wall of the annular female seat 121 and the outer wall of the convex ridge 222 are matched and rotated, so that the size of an included angle between the first connecting pipe 1 and the second connecting pipe 2 can be changed, and more angles are provided for adapting to pipe connection; meanwhile, the additional limiting block 122 limits the axial movement of the raised ridge 222, and the first connecting pipe 1 and the second connecting pipe 2 are prevented from being separated by screwing the first pipe 11 and the second pipe 21. In this embodiment, the limiting block 122 is disposed on the inner sidewall of the annular female seat 121 and is far away from the first pipe 11.

In this embodiment, the number of the limiting blocks 122 is 4, and the 4 limiting blocks 122 are uniformly distributed on the inner side wall of the annular female seat 121.

By adopting the above technical scheme, the stability of the limiting block 122 is improved, the axial movement of the convex ridge 222 is more stably limited, and the first connecting pipe 1 and the second connecting pipe 2 are prevented from being separated by screwing the first pipe body 11 and the second pipe body 21.

In this embodiment, the outer side wall of the ridge 222 is provided with an annular groove 3.

By adopting the technical scheme, the convex ridge 222 is divided into two checkpoints, so that raw materials are saved, and the stability is ensured.

In this embodiment, the first adapter tube 1 further includes a first bellows 13, one end of the first bellows 13 is connected to the first tube 11, and the other end of the first bellows 13 extends to form a first connection portion 4; the second connecting pipe 2 further comprises a second corrugated pipe 23, one end of the second corrugated pipe 23 is connected with the second pipe body 21, and a second connecting part 5 extends from the other end of the second corrugated pipe 23.

By adopting the technical scheme, in actual use, the first connecting part 4 extended by the first corrugated pipe 13 is connected with a pipe fitting, the second connecting part 5 extended by the second corrugated pipe 23 is connected with another pipe fitting, and the impact resistance of the first corrugated pipe 13 and the second corrugated pipe 23 can be improved by utilizing the corrugated structures of the first corrugated pipe 13 and the second corrugated pipe 23; in addition, because the appearance of the first corrugated pipe 13 and the appearance of the second corrugated pipe 23 are both square, the pipe pillow is not needed to be used for fixing during installation and construction, the workload is greatly reduced, pipe pillow equipment is saved, and the construction cost is reduced.

In the present embodiment, the outer circumference of the first bellows 13 and the outer circumference of the second bellows 23 are square and the respective corner recesses form the fillet 6.

By adopting the technical scheme, the inner fillets 6 are formed by utilizing the structures of the first corrugated pipe 13 and the second corrugated pipe 23 and the depression of each corner, so that the pressure resistance of the anti-impact reinforcing rib is improved, and the pressure resistance of the whole first corrugated pipe 13 and the whole second corrugated pipe 23 in the vertical direction is also improved.

The above-mentioned embodiment is the utility model discloses the implementation of preferred, in addition, the utility model discloses can also realize by other modes, not deviating from the utility model discloses any obvious replacement is all within the protection scope under the prerequisite of design.

Claims

1. A rotary universal joint characterized by: including first takeover and take over the second of intercommunication with first takeover, first takeover includes first body and the box joint of inclined connection in the one end of first body, the second is taken over and is included second body and inclined connection in the sub-joint of the one end of second body, the lateral wall rotation of sub-joint support lean on in the inside wall of box joint.

2. A rotary universal joint according to claim 1, wherein: female joint include with the female seat of annular that first body is connected and connect in the stopper of the inside wall of the female seat of annular, the sub-joint include with the annular subblock that the second body is connected and extend the convex ridge of the lateral wall of annular subblock, the convex ridge is rotatory to lean on in the inside wall of the female seat of annular, the stopper is used for the restriction the axial displacement of convex ridge.

3. A rotary universal joint according to claim 2, wherein: the quantity of stopper is 4, 4 stopper evenly distributed in the inside wall of female seat of annular.

4. A rotary universal joint according to claim 2, wherein: the outer side wall of the convex ridge is provided with an annular groove.

5. A rotary universal joint according to claim 1, wherein: the first connecting pipe further comprises a first corrugated pipe, one end of the first corrugated pipe is connected with the first pipe body, and a first connecting part extends from the other end of the first corrugated pipe; the second connecting pipe further comprises a second corrugated pipe, one end of the second corrugated pipe is connected with the second pipe body, and a second connecting portion extends from the other end of the second corrugated pipe.

6. A rotary universal joint according to claim 5, wherein: the periphery of the first corrugated pipe and the periphery of the second corrugated pipe are square, and each corner is sunken to form a fillet.