CN212323690U

CN212323690U - Universal rotary joint with sealing structure

Info

Publication number: CN212323690U
Application number: CN202020874461.2U
Authority: CN
Inventors: 徐荣基
Original assignee: Zhejiang Flexible Technology Co ltd
Current assignee: Fulaibo Anhui Precision Technology Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-01-08
Anticipated expiration: 2030-05-22

Abstract

The utility model relates to a block terminal connects technical field, the utility model discloses a technical scheme does: a universal rotary joint with a sealing structure comprises a joint body and a rotor rotationally connected with the joint body; the connector body comprises a first external thread matched with the internal thread of the upper interface of the distribution box and a fixed seat arranged on one side of the first external thread, and a hemispherical groove is formed in one side, far away from the first external thread, of the fixed seat; the rotor including rotate set up in rotation end in the hemisphere recess and set up in rotate the connecting seat of end one side, rotate the end with the connecting seat is linked together, it is cavity spherical structure and its top disappearance to rotate the end, the upper portion ring that rotates the end is equipped with the seal groove, the embedded O type sealing washer that is equipped with of seal groove, O type sealing washer with the inner wall of hemisphere recess contacts, the connecting seat outside has connect fastening nut through the screw thread soon.

Description

Universal rotary joint with sealing structure

Technical Field

The utility model relates to a block terminal connects technical field, especially involves an universal rotary joint with seal structure.

Background

Most of conventional distribution box connectors in the market are straight and cannot rotate, and cables or wires are dragged and bent in the actual use process, so that the cables or the wires are damaged; the loose condition of a cable sleeve or a wire sleeve of a part of rotatable joint occurs occasionally, and the condition that the cable or the wire is exposed outside occurs sometimes; the sealing performance is also very important under the condition that the distribution box is placed outdoors.

Therefore, there is a need for an improved structure that overcomes the above-mentioned deficiencies.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an universal rotary joint with seal structure.

The above technical purpose of the utility model is realized with following technical scheme:

a universal rotary joint with a sealing structure comprises a joint body and a rotor rotationally connected with the joint body;

the connector body comprises a first external thread matched with the internal thread of the upper interface of the distribution box and a fixed seat arranged on one side of the first external thread, and a hemispherical groove is formed in one side, far away from the first external thread, of the fixed seat;

the rotor including rotate set up in rotation end in the hemisphere recess and set up in rotate the connecting seat of end one side, rotate the end with the connecting seat is linked together, it is cavity spherical structure and its top disappearance to rotate the end, the upper portion ring that rotates the end is equipped with the seal groove, the embedded O type sealing washer that is equipped with of seal groove, O type sealing washer with the inner wall of hemisphere recess contacts, the connecting seat outside has connect fastening nut through the screw thread soon.

The utility model discloses a further set up to: the first external thread is further sleeved with a sealing gasket and a hexagonal nut, the sealing gasket is located on the inner side of the hexagonal nut, and the sealing gasket is in contact with the fixed seat.

The utility model discloses a further set up to: the inner part of the first external thread is communicated with the inner part of the hemispherical groove.

The utility model discloses a further set up to: the rotating end is pressed into the hemispherical groove and rotates in the hemispherical groove.

The utility model discloses a further set up to: the connecting seat is provided with a socket pipe at the center position of one side far away from the rotating end, the outer part of the socket pipe is provided with a limiting pipe, the limiting pipe is provided with a second external thread, the fastening nut is screwed to the outer part of the second external thread, and the inner part of the socket pipe is communicated with the rotating end.

The utility model discloses a further set up to: the inner wall of one side of the limiting pipe close to the fastening nut is provided with a buckle.

The utility model discloses a further set up to: the connecting seat is further provided with an arc-shaped circular tube on one side close to the rotating end, and the sleeve joint pipe at the connecting seat is communicated with the arc-shaped circular tube and the inside of the rotating end.

To sum up, the utility model discloses following beneficial effect has:

1. the utility model can meet the requirements of rotary joints in different environments by designing two universal rotary joints;

2. the utility model can realize universal rotation of the rotating end in the hemispherical groove and prevent the separation of the rotating body and the joint body at the same time by pressing the rotating end into the hemispherical groove, wherein the rotating end is larger than one-half of a sphere;

3. the rotating body of the utility model is provided with a buckle, when the cable sleeve or the wire sleeve is fixed, the cable sleeve and the wire sleeve are clamped by the buckle to prevent falling off;

4. the utility model can further ensure that the sleeve can not fall off by matching the fastening nut with the limiting pipe;

5. the utility model discloses inlay in the seal groove of rotation end department and establish O type sealing washer, O type sealing washer can effectively block outside steam entering joint inside in half spherical groove, has fine sealed effect, the life of extension cable or electric wire.

Drawings

FIG. 1 is a front view of the first embodiment.

Fig. 2 is an exploded front view of the first embodiment.

Fig. 3 is an exploded perspective view of the first embodiment.

FIG. 4 is a cross-sectional view of the first embodiment.

Fig. 5 is a first schematic structural diagram of the connection socket according to the first embodiment.

Fig. 6 is a schematic structural diagram of the connection seat according to the first embodiment.

Fig. 7 is a front view of the second embodiment.

Fig. 8 is an exploded front view of the second embodiment.

Fig. 9 is an exploded perspective view of the second embodiment.

FIG. 10 is a sectional view of the second embodiment.

Fig. 11 is a schematic structural view of the connection socket according to the second embodiment.

The corresponding part names indicated by the numbers and letters in the drawings:

wherein: 10. a connector body; 20. a rotating body; 10a, a first external thread; 10b, a fixed seat; 10c, a hemispherical groove; 10d, a sealing gasket; 10e, a hexagonal nut; 20a, a rotating end; 20b, a connecting seat; 20c, a sealing groove; 20d, an O-shaped sealing ring; 20e, fastening a nut; 20f, sleeving a pipe; 20g of limiting pipe; 20h, external threads II; 20i, arc round pipes; 20j, and a buckle.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further described with reference to the drawings and the specific embodiments.

The first embodiment is as follows:

referring to fig. 1 to 6, a universal rotary joint with a sealing structure according to the present invention includes a joint body 10 and a rotor 20 rotatably connected to the joint body 10; the connector body 10 comprises a first external thread 10a matched with an internal thread of an upper interface of the distribution box and a fixed seat 10b arranged on one side of the first external thread 10a, and the fixed seat 10b is provided with a hemispherical groove 10c on one side far away from the first external thread 10 a; rotor 20 including rotate set up in rotation end 20a in the hemisphere recess 10c and set up in rotate the connecting seat 20b of end 20a one side, rotate end 20a with connecting seat 20b is linked together, it is the loss of cavity spherical structure and its top to rotate end 20a, the upper portion ring of rotating end 20a is equipped with seal groove 20c, the embedded O type sealing washer 20d that is equipped with of seal groove 20c, O type sealing washer 20d with hemisphere recess 10 c's inner wall contacts, connecting seat 20b outside has connect fastening nut 20e soon through the screw thread.

In the above technical solution, the joint body 10 is made of metal, preferably copper, the joint body 10 is of an integrally formed structure, the rotating end 20a of the rotating body 20 is made of copper or plastic, the rotating end 20a is pressed into the hemispherical groove 10c through equipment, the rotating end 20a is of a hollow spherical structure, the top of the rotating end is lost, the rotating end 20a is larger than a half sphere, the rotating end 20a can realize universal rotation in the hemispherical groove 10c and cannot fall off, and after the rotating end 20a rotates by a certain angle, the outer wall of the hemispherical groove 10c of the joint body 10 abuts against the bottom of the rotating end 20a to achieve a limiting effect; the O-ring 20d contacts the inner wall of the hemispherical recess 10c, so that external water vapor is prevented from entering the interior of the rotary joint during actual use, and the rotary joint has a certain waterproof effect, and it is noted that although the O-ring 20d contacts the inner wall of the hemispherical recess 10c, there is a certain friction force, but this force does not cause the image rotation end 20a to rotate in the hemispherical recess 10 c.

The first external thread 10a is further sleeved with a sealing gasket 10d and a hexagonal nut 10e, the sealing gasket 10d is located on the inner side of the hexagonal nut 10e, and the sealing gasket 10d is in contact with the fixed seat 10 b.

Among the above-mentioned technical scheme, external screw thread 10a connects soon to the internal thread department on the block terminal, and seal gasket 10d and hexagon nut 10e both can play sealed effect, also can guarantee to connect body 10 and block terminal to be connected inseparabler.

The inner part of the first external thread 10a is communicated with the inner part of the hemispherical groove 10 c; the rotating end 20a is pressed into the hemispherical groove 10c and rotates in the hemispherical groove 10 c; a sleeve pipe 20f is arranged at the center of one side of the connecting seat 20b far away from the rotating end 20a, a limiting pipe 20g is arranged outside the sleeve pipe 20f, an external thread II 20h is arranged at the position of the limiting pipe 20g, the fastening nut 20e is screwed to the outside of the external thread II 20h, and the inside of the sleeve pipe 20f is communicated with the inside of the rotating end 20 a; the inner wall of the limiting pipe 20g close to one side of the fastening nut 20e is provided with a buckle 20 j.

In the above technical solution, the sleeve 20f is convenient for sleeving the cable sleeve or the wire sleeve to the outside of the sleeve 20f, and the outside of the tail end of the cable sleeve or the wire sleeve is provided with a flange, when the cable sleeve or the cable sleeve is sleeved to the outside of the sleeve 20f, the buckle 20j at the position of the limiting pipe 20g can buckle the cable sleeve or the wire sleeve, so as to prevent the cable sleeve or the wire sleeve from falling off; meanwhile, the space between the limiting pipe 20g and the sleeve pipe 20f can limit the cable sleeve or the wire sleeve; it is worth noting that the side wall of the limiting pipe 20g is evenly provided with a plurality of openings, the limiting pipe 20g is made of plastic, after the sleeving of the cable sleeve or the wire sleeve is completed, the fastening nut 20e is screwed to the outside of the external thread two 20h, and along with the continuous screwing of the fastening nut 20e, the fastening nut 20e can extrude the limiting pipe 20g, so that the limiting pipe 20g is in close contact with the cable sleeve or the wire sleeve, and the cable sleeve or the wire sleeve is further prevented from falling off.

The installation principle of this embodiment one: firstly, the rotating end 20a at the position of the rotating body 20 is buckled and pressed into the hemispherical groove 10c of the joint body 10, then a cable or a cable in the distribution box is led out from the interface end and passes through the joint body 10 and the rotating body 20, then the external thread one 10a of the joint body 10 is screwed to the internal thread of the distribution box, then a cable sleeve or a wire sleeve is sleeved outside the cable or the wire, the cable sleeve or the wire sleeve is sleeved outside the sleeve 20f and buckled through the buckle 20j, and finally the fastening nut 20e is screwed outside the external thread two 20h, so that the installation is completed.

Example two:

referring to fig. 7 to 11, a difference between the second embodiment and the first embodiment is that an arc-shaped circular tube 20i is further disposed on one side of the connecting seat 20b close to the rotating end 20a, and the sleeve 20f of the connecting seat 20b is communicated with the arc-shaped circular tube 20i and the inside of the rotating end 20 a; compared with the first embodiment, in the first embodiment, the joint body 10 and the fastening nut 20e are located on the same central line in the initial state, and in the second embodiment, the joint body 10 and the fastening nut 20e are vertically arranged, i.e. have 90 ° bent ends; the second embodiment and the first embodiment can adapt to requirements in different scenes, and the installation principle of the second embodiment is the same as that of the first embodiment.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A universal rotary joint with a sealing structure is characterized by comprising a joint body (10) and a rotor (20) rotationally connected with the joint body (10);

the connector body (10) comprises a first external thread (10a) matched with an internal thread of an upper connector of the distribution box and a fixed seat (10b) arranged on one side of the first external thread (10a), and a hemispherical groove (10c) is formed in one side, far away from the first external thread (10a), of the fixed seat (10 b);

rotor (20) including rotate set up in rotation end (20a) in hemispherical recess (10c) and set up in rotate connecting seat (20b) of end (20a) one side, rotate end (20a) with connecting seat (20b) are linked together, rotate end (20a) and be cavity spherical structure and its top disappearance, the upper portion ring of rotating end (20a) is equipped with seal groove (20c), the embedded O type sealing washer (20d) that is equipped with in seal groove (20c), O type sealing washer (20d) with the inner wall of hemispherical recess (10c) contacts, connecting seat (20b) outside has connect fastening nut (20e) through the screw thread soon.

2. A universal swivel with seal structure according to claim 1, wherein: the sealing gasket (10d) and the hexagonal nut (10e) are further sleeved on the first external thread (10a), the sealing gasket (10d) is located on the inner side of the hexagonal nut (10e), and the sealing gasket (10d) is in contact with the fixed seat (10 b).

3. A universal swivel with seal structure according to claim 1, wherein: the inner part of the first external thread (10a) is communicated with the inner part of the hemispherical groove (10 c).

4. A universal swivel with seal structure according to claim 1, wherein: the rotating end (20a) is pressed into the hemispherical recess (10c) and rotates in the hemispherical recess (10 c).

5. The universal swivel with seal structure of claim 1, wherein: the connecting seat (20b) is provided with a sleeve pipe (20f) at the center position of one side far away from the rotating end (20a), the outer part of the sleeve pipe (20f) is provided with a limiting pipe (20g), the limiting pipe (20g) is provided with a second external thread (20h), a fastening nut (20e) is screwed to the outer part of the second external thread (20h), and the inner part of the sleeve pipe (20f) is communicated with the rotating end (20 a).

6. A universal swivel with seal structure according to claim 5, wherein: the inner wall of the limiting pipe (20g) close to one side of the fastening nut (20e) is provided with a buckle (20 j).

7. A universal swivel with seal structure according to claim 5, wherein: the connecting seat (20b) is further provided with an arc-shaped circular tube (20i) on one side close to the rotating end (20a), and a sleeve pipe (20f) at the connecting seat (20b) is communicated with the arc-shaped circular tube (20i) and the rotating end (20 a).