CN213540895U

CN213540895U - Hydraulic rotary joint

Info

Publication number: CN213540895U
Application number: CN202022373833.6U
Authority: CN
Inventors: 张振荣
Original assignee: Dongguan Good Mobile Phone Technology Co ltd
Current assignee: Dongguan Good Mobile Phone Technology Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-06-25
Anticipated expiration: 2030-10-22

Abstract

The utility model discloses a hydraulic pressure rotary joint, including the pivot, the inside circumference of pivot sets up the carousel, and the top of carousel is equipped with first end cap, and first end cap setting is fixed on the inner wall of pivot through glue in the pivot, the first bearing of upper end installation of carousel, and first bearing joint is in the upper end of carousel, and the inside right side of carousel sets up rotatory oil blanket, and the inside below of carousel is equipped with interior hexagonal end cap, and interior hexagonal end cap transversely sets up. This hydraulic pressure rotary joint, the inside circumference of pivot sets up the carousel, the carousel can be used for swivelling joint, the flexibility of connection is improved, convenient dismantlement and installation, the base of first end cap is fixed with the inner wall of pivot, the opening that first end cap can block up the carousel top prevents the entering of air, first bearing joint is in the upper end of carousel, first bearing can support the part of carousel, reduce the friction, increase of service life, the oilhole O circle is fixed to the bottom of second end cap, oilhole O circle has sealed effect, the leakproofness of connection is improved.

Description

Hydraulic rotary joint

Technical Field

The utility model relates to a rotary joint technical field specifically is a hydraulic rotary joint.

Background

The hydraulic rotary joint is used for conveying a hydraulic medium to a hydraulic execution mechanism on rotary equipment, is mainly applied to a hydraulic self-centering clamping mechanism of a rotary workpiece, and has an internal structure and an application performance which are matched with the corresponding hydraulic self-centering clamping mechanism.

The rotary joint can be with fluid medium from static system input to dynamic rotating system in, current rotary joint is mostly regarded as the support by the steel ball, processing steel ball raceway on casing and rotatory outer tube, if surface treatment is improper, cause ball hardness inadequately easily, spare part warp, the easy mill of in use sealing washer is inclined to one side, the casing relatively receives great power with rotatory outer tube when connecting the use, can cause steel ball raceway wearing and tearing too fast, influence life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic pressure rotary joint, the circumference that has the pivot inside sets up the carousel, the carousel can be used for swivelling joint, improve the flexibility of connecting, convenient dismantlement and installation, the base of first end cap is fixed with the inner wall of pivot, the opening that first end cap can block up the carousel top prevents the entering of air, first bearing joint is in the upper end of carousel, first bearing can support the part of carousel, reduce friction, increase of service life, oilhole O circle is fixed to the bottom of second end cap, oilhole O circle has sealed effect, the advantage of the leakproofness of connection is improved, the problem among the prior art has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hydraulic pressure rotary joint, which comprises a rotating shaft, the inside circumference of pivot sets up the carousel, the top of carousel is equipped with first end cap, first end cap setting is in the pivot, fix on the inner wall of pivot through glue, the first bearing of upper end installation of carousel, first bearing joint is in the upper end of carousel, the inside right side of carousel sets up rotatory oil blanket, the inside below of carousel is equipped with interior hexagonal end cap, interior hexagonal end cap transversely sets up, the bottom of interior hexagonal end cap is fixed on the inside wall of carousel, the second end cap is connected perpendicularly to the end of interior hexagonal end cap, the fixed oilhole O circle in bottom of second end cap, a side-mounting second bearing of carousel lower extreme, the below of second bearing is equipped with the bearing pad, one side of bearing pad sets up axle circlip, set up high-pressure ball formula end cap that.

Preferably, the first plug is transversely arranged, and the base of the first plug is fixed with the inner wall of the rotating shaft.

Preferably, the rotary oil seal is provided with a plurality of rotary oil seals which are fixed on the right side wall inside the rotary table at equal intervals.

Preferably, the second plug is arranged on the bottom surface inside the rotary table, and the bottom of the second plug is fixed on the bottom surface of the rotary table through an oil hole O ring.

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

this hydraulic pressure rotary joint, the inside circumference of pivot sets up the carousel, the carousel can be used for swivelling joint, the flexibility of connection is improved, convenient dismantlement and installation, the base of first end cap is fixed with the inner wall of pivot, the opening that first end cap can block up the carousel top prevents the entering of air, first bearing joint is in the upper end of carousel, first bearing can support the part of carousel, reduce the friction, increase of service life, the oilhole O circle is fixed to the bottom of second end cap, oilhole O circle has sealed effect, the leakproofness of connection is improved.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention.

In the figure: 1. a rotating shaft; 2. a turntable; 3. a first plug; 4. a first bearing; 5. rotating the oil seal; 6. an inner hexagonal plug; 7. a second plug; 8. an oil hole O ring; 9. a second bearing; 10. a bearing pad; 11. a circlip for the shaft; 12. high-pressure ball expansion type plug.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a hydraulic rotary joint includes a rotating shaft 1, a rotating disc 2 is disposed on the circumference inside the rotating shaft 1, the rotating disc 2 can be used for rotary connection, the flexibility of connection is improved, and the disassembly and assembly are convenient, a first plug 3 is disposed above the rotating disc 2, the first plug 3 is disposed inside the rotating shaft 1 and fixed on the inner wall of the rotating shaft 1 through glue, the first plug 3 is transversely disposed, the base of the first plug 3 is fixed on the inner wall of the rotating shaft 1, the first plug 3 can plug the opening above the rotating disc 2 to prevent air from entering, a first bearing 4 is mounted on the upper end of the rotating disc 2, the first bearing 4 is clamped on the upper end of the rotating disc 2, the first bearing 4 can support the components of the rotating disc 2, the friction is reduced, the service life is prolonged, a rotary oil seal 5 is disposed on the right side inside the rotating disc 2, the rotary oil seal 5 is provided with a plurality of components, the rotary oil seal 5 can seal oil, the rotary structure can facilitate the disassembly and the installation of the rotary oil seal 5, an inner hexagonal plug 6 is arranged below the inner part of the turntable 2, the inner hexagonal plug 6 is transversely arranged, the bottom of the inner hexagonal plug 6 is fixed on the inner side wall of the turntable 2 and is used for blocking an opening to avoid air entering, the end head of the inner hexagonal plug 6 is vertically connected with a second plug 7 to block the opening, an oil hole O ring 8 is fixed at the bottom of the second plug 7 and has a sealing function to improve the connection tightness, the second plug 7 is arranged on the bottom surface of the inner part of the turntable 2, the bottom of the second plug 7 is fixed on the bottom surface of the turntable 2 through the oil hole O ring 8, a second bearing 9 is arranged on one side of the lower end of the turntable 2 and can support a rotary part and reduce friction force, a bearing pad 10 is arranged below the second bearing 9, one side of the bearing pad 10 is provided with a circlip 11 for a shaft for fixing the axial movement of the turntable 2, and a high-pressure ball expansion type plug 12 for blocking the opening is arranged in the circlip 11 for the shaft.

To sum up, this hydraulic pressure rotary joint, 1 inside circumference of pivot sets up carousel 2, carousel 2 can be used for swivelling joint, the flexibility of connecting is improved, convenient dismantlement and installation, the base of first end cap 3 is fixed with the inner wall of pivot 1, the opening that first end cap 3 can block up 2 tops of carousel prevents the entering of air, 4 joints of first bearing are in the upper end of carousel 2, first bearing 4 can support the part of carousel 2, reduce friction, increase of service life, the fixed oilhole O circle 8 in bottom of second end cap 7, oilhole O circle 8 has sealed effect, the leakproofness of connection is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a hydraulic rotary joint, includes pivot (1), its characterized in that: the rotary table is characterized in that a rotary table (2) is arranged on the circumference of the inner part of a rotary shaft (1), a first plug (3) is arranged above the rotary table (2), the first plug (3) is arranged in the rotary shaft (1) and fixed on the inner wall of the rotary shaft (1) through glue, a first bearing (4) is arranged at the upper end part of the rotary table (2), the first bearing (4) is connected to the upper end of the rotary table (2) in a clamping manner, a rotary oil seal (5) is arranged on the right side of the inner part of the rotary table (2), an inner hexagonal plug (6) is arranged below the inner part of the rotary table (2), the inner hexagonal plug (6) is transversely arranged, the bottom of the inner hexagonal plug (6) is fixed on the inner side wall of the rotary table (2), the end head of the inner hexagonal plug (6) is vertically connected with a second plug (7), an oil hole O ring (8) is fixed at the bottom of the second plug (7, one side of the bearing pad (10) is provided with a circlip (11) for the shaft, and a high-pressure ball expansion type plug (12) is arranged in the circlip (11) for the shaft.

2. A hydraulic swivel joint according to claim 1, wherein: the first plug (3) is transversely arranged, and a base of the first plug (3) is fixed with the inner wall of the rotating shaft (1).

3. A hydraulic swivel joint according to claim 1, wherein: the rotary oil seals (5) are arranged in a plurality of equidistant positions and fixed on the right side wall inside the rotary table (2).

4. A hydraulic swivel joint according to claim 1, wherein: the second plug (7) is arranged on the bottom surface inside the rotary table (2), and the bottom of the second plug (7) is fixed on the bottom surface of the rotary table (2) through an oil hole O ring (8).