CN219673616U

CN219673616U - Tee bend rotary joint for hydraulic pressure

Info

Publication number: CN219673616U
Application number: CN202321051622.8U
Authority: CN
Inventors: 廉珊珊; 商元元
Original assignee: Shandong Xianli Sealing Technology Co ltd
Current assignee: Shandong Xianli Sealing Technology Co ltd
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2023-09-12
Anticipated expiration: 2033-05-05

Abstract

The utility model discloses a three-way rotary joint for hydraulic pressure, which belongs to the field of rotary joints and comprises a shell, wherein a rotary shaft is connected to the shell, the tail end of the rotary shaft is provided with a rotary head, a communication piece is arranged in the rotary shaft and the rotary head, a sealing structure is arranged on the rotary head, the sealing structure comprises a connecting cover and a sealing gasket, and the connecting cover is connected with the sealing gasket. Through the seal structure who sets up, after the rotary joint installation, can improve the sealed effect of rotary head and corresponding adapting unit, the guarantee use has high leakproofness, seal structure threaded connection is on the rotary head simultaneously, dismantlement that can be quick is changed, the flexibility of use is high, adopt protective structure, can protect the bearing of casing tip position department, avoid the bearing direct exposure outside, influence normal rotation when preventing that the dust from adhering to the bearing, the normal rotation of whole rotary joint has been ensured, and protective structure can not influence the normal use of bearing, excellent in use effect.

Description

Tee bend rotary joint for hydraulic pressure

Technical Field

The utility model relates to the field of rotary joints, in particular to a three-way rotary joint for hydraulic pressure.

Background

The hydraulic rotary joint is a rotary joint specially used for low-speed high-pressure multiple media and multi-channel equipment, and is used for inputting liquid from the side of a pipeline into the equipment for rotating or reciprocating motion, and then discharging the liquid from the side of the pipeline.

In the existing hydraulic rotary joint, the rotary joint is connected with a hydraulic pipeline, and the end part of the rotary joint is connected to corresponding equipment for use. However, since the rotating part of the rotary joint has no sealing structure, a sealing ring or a sealing winding belt is required to be used in connection, when the auxiliary objects are not provided, the tightness after connection is general, the leakage condition possibly occurs, and in the rotary joint, a bearing is arranged between the rotating shaft and the shell, and is directly exposed outside, so that the rotary joint cannot be effectively protected, dust is easily attached to influence normal rotation, and the rotary joint has a simple structure and a general using effect.

Disclosure of Invention

The utility model mainly aims to provide a three-way rotary joint for hydraulic pressure, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a tee bend rotary joint for hydraulic pressure, includes the casing, be connected with the rotation axis on the casing, and the end of rotation axis is equipped with the rotating head, be provided with the intercommunication piece in rotation axis and the rotating head, be equipped with seal structure on the rotating head, and seal structure is including connecting lid and sealed the pad, the connecting lid is connected with sealed the pad, and connects the lid and connect on the rotating head, the tip of casing is equipped with protective structure, and protective structure includes protective cover and connecting screw, the protective cover passes through connecting screw and installs on the casing.

Preferably, the end of the shell is provided with a bearing, the rotating shaft penetrates through the bearing, the shell is provided with a first liquid injection port, the shell is provided with a second liquid injection port, and the shell is provided with a third liquid injection port.

Preferably, the rotary head is provided with an outer bolt, the communicating piece is provided with a first liquid outlet and a second liquid outlet, and the communicating piece is provided with a third liquid outlet.

Preferably, the sealing structure further comprises a thread groove, a through hole and a through hole, the thread groove is formed in the connecting cover, the thread groove is connected with external threads on the rotating head in a threaded mode, the connecting cover is fixed on the rotating head through the thread groove, the through hole penetrates through and is formed in the connecting cover and the sealing pad, the communicating piece penetrates through the through hole, and the through hole is formed in the connecting cover and the sealing pad.

Preferably, the protection structure further comprises a cavity and a round hole, the cavity is formed in the protection cover, the round hole is distributed in an annular array on the protection cover, the connecting screw is located in the round hole on the protection cover, the tail end of the connecting screw is connected to the shell through threads, and the protection cover is fixedly connected with the shell through the connecting screw.

Compared with the prior art, the utility model has the following beneficial effects: this tee bend rotary joint for hydraulic pressure, through the seal structure who sets up, after the rotary joint installation, can improve the sealed effect of rotary head and corresponding adapting unit, the guarantee is used and is had high leakproofness, seal structure threaded connection is on the rotary head simultaneously, dismantlement that can be quick is changed, the flexibility of use is high, adopt protective structure, can protect the bearing of casing tip position department, avoid the bearing direct exposure outside, influence normal rotation when preventing that the dust from adhering to the bearing, the normal rotation of whole rotary joint has been ensured, and protective structure can not influence the normal use of bearing, excellent in use effect.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the rotary head of the present utility model;

FIG. 3 is a schematic structural view of the sealing structure of the present utility model;

fig. 4 is a schematic structural view of the protection structure of the present utility model.

In the figure: 1. a housing; 2. a rotation shaft; 3. a rotating head; 4. a communication member; 5. a sealing structure; 501. a connection cover; 502. a thread groove; 503. a sealing gasket; 504. a through hole; 505. a through hole; 6. a protective structure; 601. a protective cover; 602. a cavity; 603. a round hole; 604. a connecting screw; 7. a first liquid injection port; 8. a second liquid injection port; 9. a third liquid injection port; 10. a first liquid outlet; 11. a second liquid outlet; 12. and a third liquid outlet.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, a three-way rotary joint for hydraulic pressure comprises a shell 1, a rotary shaft 2 is connected to the shell 1, the tail end of the rotary shaft 2 is provided with a rotary head 3, a communicating piece 4 is arranged in the rotary shaft 2 and the rotary head 3, a sealing structure 5 is arranged on the rotary head 3, a protecting structure 6 is arranged at the end part of the shell 1, a bearing is arranged at the end part of the shell 1, the rotary shaft 2 penetrates through the bearing, a first liquid injection port 7 is arranged on the shell 1, a second liquid injection port 8 is arranged on the shell 1, a third liquid injection port 9 is arranged on the shell 1, an outer bolt is arranged on the rotary head 3, a first liquid outlet 10 and a second liquid outlet 11 are arranged on the communicating piece 4, and a third liquid outlet 12 is arranged on the communicating piece 4.

Before using the three-way rotary joint, assembling the three-way rotary joint, arranging a bearing at the end part of the shell 1, installing a protection structure 6 at the end part of the shell 1, inserting the rotary shaft 2 into the shell 1, connecting the rotary shaft 2 with the bearing, installing a sealing structure 5 on the rotary head 3, completing the assembly work of the whole three-way rotary joint, then connecting the rotary head 3 with corresponding equipment structures when the three-way rotary joint is used, connecting a first liquid outlet 10, a second liquid outlet 11 and a third liquid outlet 12 on the communicating piece 4 with corresponding channels on the equipment at the moment, ensuring good sealing performance at the rotary head 3 by the sealing structure 5, connecting a hydraulic pipe to a first liquid injection port 7, a second liquid injection port 8 and a third liquid injection port 9 respectively, starting to use after the three-way rotary joint is connected, at the beginning, the first liquid injection port 7 is communicated with the first liquid outlet 10, the other two groups are in a disconnection state, liquid in the first liquid injection port 7 can enter corresponding channels through the first liquid outlet 10, the first liquid injection port 7 is disconnected after misplacement with the first liquid outlet 10 along with rotation of the rotary head 3, the second liquid injection port 8 is communicated with the second liquid outlet 11, liquid in the second liquid injection port 8 can enter corresponding channels through the second liquid outlet 11, then the rotary head 3 rotates, the second liquid injection port 8 is disconnected after misplacement with the second liquid outlet 11, the third liquid injection port 9 is communicated with the third liquid outlet 12, liquid in the third liquid injection port 9 can enter corresponding channels through the third liquid outlet 12, and the connection and disconnection of the three groups of channels can be realized, and further, the normal transportation of the liquid can be realized in the rotation process of the related structures, in the conveying process, the sealing structure 5 plays a good role in sealing, the sealing effect of the rotating head 3 is guaranteed, meanwhile, the protection structure 6 protects the bearing, the normal use of the three-way rotary joint is further guaranteed, and the three-way rotary joint is simple in structure and excellent in use effect.

Through the above embodiment, the sealing structure 5 comprises the connection cover 501 and the sealing pad 503, the connection cover 501 is connected with the sealing pad 503, and the connection cover 501 is connected to the rotating head 3, the sealing structure 5 further comprises the thread groove 502, the through hole 504 and the through hole 505, the thread groove 502 is disposed on the connection cover 501, and the thread groove 502 is in threaded connection with the external thread on the rotating head 3, the connection cover 501 is fixed on the rotating head 3 through the thread groove 502, the through hole 504 is penetrated and opened on the connection cover 501 and the sealing pad 503, the communicating member 4 is penetrated and opened on the through hole 504, the through hole 505 is opened on the connection cover 501 and the sealing pad 503, the protection structure 6 comprises the protection cover 601 and the connection screw 604, the protection cover 601 is mounted on the housing 1 through the connection screw 604, the protection structure 6 further comprises the cavity 602 and the round hole 603, the cavity 602 is opened on the protection cover 601, the round hole 603 is disposed on the protection cover 601, the round holes 603 are distributed on the protective cover 601 in an annular array, the connecting screws 604 are positioned in the round holes 603 on the protective cover 601, the tail ends of the connecting screws 604 are in threaded connection with the shell 1, the protective cover 601 is fixedly connected with the shell 1 through the connecting screws 604, after the rotary joint is installed, the sealing effect of the rotary head 3 and corresponding connecting parts can be improved through the arranged sealing structure 5, the use of the rotary head 3 is ensured to have high sealing performance, meanwhile, the sealing structure 5 is in threaded connection with the rotary head 3, the rotary head can be quickly detached and replaced, the use flexibility is high, the bearing at the end part of the shell 1 can be protected by adopting the protecting structure 6, the bearing is prevented from being directly exposed, normal rotation is prevented from being influenced when dust is attached to the bearing, the normal rotation of the whole rotary joint is ensured, the normal use of the bearing can not be influenced by the protecting structure 6, the use effect is good.

When installing the protection structure 6, laminate the protection cover 601 to casing 1, insert connecting screw 604 in round hole 603, make the terminal of connecting screw 604 revolve to casing 1, thereby fix the protection cover 601, the installation connection work of rotation axis 2 is started to the protection structure 6 after the installation, then begin to use, use three way rotary joint's in-process, the protection cover 601 in the protection structure 6 plays the effect of protection casing 1 tip bearing, guarantee the integrality of bearing, the setting of cavity 602 simultaneously, make the protection cover 601 can not influence the normal rotation of bearing, and a simple structure, excellent in use effect, when installing seal structure 5, sealing washer 503 is together fixed with connecting cover 501, install connecting cover 501 on rotating head 3 through thread groove 502, guarantee to run through hole 505 and the hole alignment of installing on the rotating head 3, the connecting piece 4 passes through hole 504 this moment, the connection use of whole three way rotary joint is carried out after seal structure 5 installs this moment, in the use, sealing washer 503 has good leakproofness in the rotating head 3 department during the use, the leakproofness when guaranteeing liquid transport.

The foregoing has described the principles, features and advantages of the present utility model. It will be apparent to those skilled in the art from this disclosure that the foregoing is not a limitation of the utility model, and that the foregoing embodiments and descriptions illustrate the basic principles and features of the utility model, but that various modifications can be made therein without departing from the spirit of the utility model, and that such modifications are intended to be within the scope of the utility model as claimed.

Claims

1. The utility model provides a tee bend rotary joint for hydraulic pressure, includes casing (1), be connected with rotation axis (2) on casing (1), and the end of rotation axis (2) is equipped with swivel head (3), be provided with in rotation axis (2) and swivel head (3) intercommunication piece (4), its characterized in that: be equipped with seal structure (5) on rotating head (3), and seal structure (5) are including connecting lid (501) and sealed pad (503), connect lid (501) and sealed pad (503) to be connected, and connect lid (501) to connect on rotating head (3), the tip of casing (1) is equipped with protective structure (6), and protective structure (6) are including protective cover (601) and connecting screw (604), protective cover (601) are installed on casing (1) through connecting screw (604).

2. The three-way rotary joint for hydraulic pressure according to claim 1, wherein: the end of the shell (1) is provided with a bearing, the rotating shaft (2) penetrates through the bearing, a first liquid injection port (7) is formed in the shell (1), a second liquid injection port (8) is formed in the shell (1), and a third liquid injection port (9) is formed in the shell (1).

3. A three-way rotary joint for hydraulic pressure according to claim 2, characterized in that: the rotary head (3) is provided with an outer bolt, the communicating piece (4) is provided with a first liquid outlet (10) and a second liquid outlet (11), and the communicating piece (4) is provided with a third liquid outlet (12).

4. A three-way rotary joint for hydraulic pressure according to claim 3, characterized in that: seal structure (5) still include screw thread groove (502), through-hole (504) and through-hole (505), screw thread groove (502) set up on connecting lid (501), and threaded connection between the external screw thread on screw thread groove (502) and rotating head (3), connecting lid (501) are fixed on rotating head (3) through screw thread groove (502), through-hole (504) run through and are offered in connecting lid (501) and sealing pad (503), communicating piece (4) run through in through-hole (504), through-hole (505) are offered on connecting lid (501) and sealing pad (503).

5. The three-way rotary joint for hydraulic pressure according to claim 4, wherein: the protection structure (6) further comprises a cavity (602) and a round hole (603), the cavity (602) is formed in the protection cover (601), the round hole (603) is distributed in an annular array on the protection cover (601), the connecting screw (604) is located in the round hole (603) on the protection cover (601), the tail end of the connecting screw (604) is connected to the shell (1) in a threaded mode, and the protection cover (601) is fixedly connected with the shell (1) through the connecting screw (604).