CN213420254U

CN213420254U - Rotary joint convenient to connect and fix

Info

Publication number: CN213420254U
Application number: CN202022576302.7U
Authority: CN
Inventors: 李松炎; 李宪春
Original assignee: Tianjin Dingbao Petroleum Machinery Co ltd
Current assignee: Tianjin Dingbao Petroleum Machinery Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-06-11
Anticipated expiration: 2030-11-10

Abstract

The utility model relates to a rotary joint production technical field just discloses a conveniently connect fixed rotary joint, including shell, pneumatic subassembly and spacing subassembly, the left side fixedly connected with seal shell of shell, the inner wall swing joint of shell has the pivot pole, and when setting up a seal shell in shell left side outer wall in this structure and can playing when outside pipeline and connecting pipe are connected fixedly, the seal shell can carry out effectual sealing, and the atmospheric pressure, hydraulic pressure or the oil pressure that ensure to enter into in the rotary joint can effectively provide pressure and make the pivot pole rotatory, prevents pressure leakage and reduces the rotation efficiency, through the cooperation use of joint and the fixed intraductal pneumatic subassembly and the spacing subassembly of setting up of fixed, can play when the joint only need push tightly to the fixed intraductal to fix joint together firmly with fixed pipe hard, break away from among the traditional structure joint and fixed pipe and fix through bolt or screw thread hinge's mode between fixed .

Description

Rotary joint convenient to connect and fix

Technical Field

The utility model relates to a rotary joint produces technical field, specifically is a conveniently connect fixed rotary joint.

Background

The rotary joint is a pipeline connector, and the connected pipelines can relatively rotate, so that the rotary joint can be used for conveying various media such as gas, liquid, oil and the like, has a compact design structure, adopts flange type connection, and is effectively integrated into various devices, and the application field of the rotary joint almost covers various processing and manufacturing industries, such as metallurgy, machine tools, power generation, petroleum, rubber, plastics, textile, printing and dyeing, pharmacy, cigarette making, food, feed processing and the like.

When traditional rotary joint will block and carry out fixed mounting between joint and the fixed pipe, adopt bolt or screw thread articulated mode to fix usually, long-term use can lead to the rusty wearing and tearing of bolted connection department to lead to the junction to connect not hard up or even the disconnection, so just influence rotary joint's fixed, influence the operating efficiency of equipment, and rusty bolt needs the independent option, thereby increased cost of maintenance, so we have proposed a double mechanical seal formula rotary joint and have solved above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

For the purpose of realizing above-mentioned convenient fixed more, the utility model provides a following technical scheme: the utility model provides a rotary joint convenient to connect fixedly, includes shell, pneumatic subassembly and spacing subassembly, the left side fixedly connected with seal shell of shell, the inner wall swing joint of shell has the pivot pole, the intercommunication mouth has been seted up at the top of shell, the outer wall fixed mounting of intercommunication mouth has the connecting pipe, the right side fixed mounting of shell has the joint, the left side top and the equal fixed mounting in bottom of joint have the locating piece, the outer wall swing joint of joint has fixed pipe, the right side top and the equal fixed mounting in bottom of joint have the kelly.

As an optimization, the pneumatic component includes the gasbag, the left side swing joint of gasbag has the baffle, the top and the equal fixed mounting in bottom of baffle have first spring, the right side top and the equal fixed mounting in bottom inner wall of gasbag have the trachea, two the equal fixed mounting in tracheal left side has the air pressure bar.

As optimization, the limiting assembly comprises a limiting shell, the inner wall of the limiting shell is movably connected with a connecting rod, a clamping block is fixedly mounted at the bottom of the connecting rod, and a connecting block is fixedly mounted at the top of the connecting rod.

As optimization, the venthole has all been seted up with the bottom to the right side top of gasbag, the relative one side in two tracheal right sides respectively with the inner wall fixed connection of two ventholes for can export atmospheric pressure with the inside gas of gasbag through the trachea when the gasbag is extruded.

As optimization, the air outlet holes are formed in the top and the bottom of the right side of each air pressure rod, the left sides of the two air pipes are fixedly connected with the inner walls of the two air outlet holes respectively, and therefore the air pressure rods can be driven to stretch after the air in the air bags is led out by the two air pipes.

As optimization, slotted holes matched with the two pressure rods are formed in the top and the bottom of the clamping joint, inner grooves matched with the two positioning blocks are formed in the top and the bottom of the left side of the fixed pipe, so that when the pressure rods are subjected to air pressure to stretch, the clamping joint can be clamped into the slotted holes of the clamping joint, the positioning blocks can extend into the inner grooves of the fixed pipe, and a user can conveniently determine the inserting direction of the clamping joint.

As optimization, two the slotted hole with two fixture block looks adaptations is all seted up with the bottom in the top of kelly, the outer wall of two spacing shells and the inner wall fixed connection of fixed pipe, the equal fixed mounting in inner wall of two spacing shells has the second spring, relative one side of two second springs respectively with the outer wall fixed connection of two connecting rods, the back of the body one side of carrying on the back of the body of two second springs respectively with two spacing shells one side inner wall fixed connection mutually for when two kellies promoted two fixture blocks, the fixture block can stretch out and draw back and finally can extend to in the slotted hole of kelly.

The utility model has the advantages that: set up a sealed shell in this structure and can play when outside pipeline and connecting pipe are connected fixedly at shell left side outer wall, sealed shell can carry out effectual sealing, ensure to enter into the atmospheric pressure in the rotary joint, hydraulic pressure or oil pressure can effectively provide pressure and make the pivot pole rotatory, prevent pressure leakage and reduce rotation efficiency, set up pneumatic assembly and spacing subassembly through joint and fixed intraductal, the cooperation of structure is used in two subassemblies, can play and only need push up firmly in fixed intraductal when the joint hard and can firmly fix joint and fixed pipe together, it is fixed through bolt or screw thread articulated mode between joint and the fixed pipe is fixed to have broken away from in traditional structure.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the fixing tube structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;

fig. 4 is a schematic view of the limiting assembly of the present invention.

In the figure: 1. a housing; 2. sealing the shell; 3. a spindle rod; 4. a communication port; 5. a connecting pipe; 6. a clamping head; 7. positioning blocks; 8. a fixed tube; 80. a pneumatic assembly; 81. an air bag; 82. a baffle plate; 83. a first spring; 84. an air tube; 85. a pneumatic rod; 800. a limiting component; 801. a limiting shell; 802. a connecting rod; 803. a clamping block; 804. connecting blocks; 9. and (5) clamping the rod.

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.

Please refer to fig. 1-3, a rotary joint convenient for connection and fixation, comprising a housing 1, a pneumatic assembly 80 and a limiting assembly 800, a left side fixedly connected with sealing shell 2 of the housing 1, an inner wall of the housing 1 is movably connected with a rotating shaft rod 3, a communicating port 4 is provided at the top of the housing 1, a connecting pipe 5 is fixedly installed at the outer wall of the communicating port 4, a clamping joint 6 is fixedly installed at the right side of the housing 1, a positioning block 7 is fixedly installed at the left side top and the bottom of the clamping joint 6, a fixing pipe 8 is movably connected with the outer wall of the clamping joint 6, and a clamping rod 9 is fixedly installed at the right side top and the bottom of the clamping.

Referring to fig. 3, the pneumatic assembly 80 includes an air bag 81, a baffle 82 is movably connected to the left side of the air bag 81, first springs 83 are fixedly mounted at the top and bottom of the baffle 82, air pipes 84 are fixedly mounted on the inner walls of the top and bottom of the right side of the air bag 81, and air pressure rods 85 are fixedly mounted on the left sides of the two air pipes 84.

Referring to fig. 4, the limiting assembly 800 includes a limiting shell 801, a connecting rod 802 is movably connected to an inner wall of the limiting shell 801, a fixture block 803 is fixedly installed at the bottom of the connecting rod 802, and a connecting block 804 is fixedly installed at the top of the connecting rod 802.

Referring to fig. 2-3, the top and the bottom of the right side of the air bag 81 are both provided with air outlets, and the opposite sides of the right sides of the two air pipes 84 are respectively fixedly connected with the inner walls of the two air outlets, so that when the air bag 81 is squeezed, the air inside the air bag 81 can be guided out through the air pipes 84.

Referring to fig. 2-3, the top and the bottom of the right sides of the two air pressure rods 85 are both provided with air outlets, and the left sides of the two air pipes 84 are respectively fixedly connected with the inner walls of the two air outlets, so that when the two air pipes 84 guide out the air in the air bag 81, the air can be conveyed into the air pressure rods 85 to drive the air pressure rods 85 to extend and retract.

Referring to fig. 2-3, the top and bottom of the bayonet joint 6 are both provided with slots adapted to the inner rods of the two pneumatic rods 85, and the left top and bottom of the fixed tube 8 are both provided with inner slots adapted to the two positioning blocks 7, so that the inner rods of the pneumatic rods 85 can be clamped into the slots of the bayonet joint 6 when being extended by the pneumatic pressure, and the positioning blocks 7 can be extended into the inner slots of the fixed tube 8, thereby facilitating the user to determine the direction of the bayonet joint 6 when being inserted.

Referring to fig. 2-4, the top and the bottom of the two clamping bars 9 are both provided with a slot hole matched with the two clamping blocks 803, the outer walls of the two limiting shells 801 are fixedly connected with the inner wall of the fixing tube 8, the inner walls of the two limiting shells 801 are both fixedly provided with second springs, opposite sides of the two second springs are respectively fixedly connected with the outer walls of the two connecting rods 802, and opposite sides of the two second springs are respectively fixedly connected with the inner walls of opposite sides of the two limiting shells 801, so that when the two clamping bars 9 push the two clamping blocks 803, the clamping blocks 803 can extend and retract and finally extend into the slot holes of the clamping bars 9.

In use, please refer to fig. 1-4, a user can clamp the clamping head 6 through the inner wall of the fixed tube 8, and it should be noted that, in the clamping process, the two positioning blocks 7 are ensured to align with the inner grooves at the top and bottom of the left side of the fixed tube 8 to push the clamping head 6 inwards, when the outer wall at the right side of the clamping head 6 contacts with the baffle 82 at the left side of the air bag 81, the baffle 82 will start to press the air bag 81 to contract the air bag 81, and the air in the air bag 81 will be exhausted with the two air pipes 84 through the air outlet holes at the upper and lower ends of the right side, and along with the delivery of the air pipes 84, the air pressure will be pushed into the two air pressure rods 85, so that the air pressure rods 85 will push the inner rods of the air pressure rods 85 out under the air pressure, and at this time the two air pressure rods 85 will be just clamped into the clamping grooves at the top and bottom of the clamping head 6 to, when the air bag 81 is squeezed by the right side of the bayonet joint 6, the two clamping bars 9 at the top and the bottom of the right side of the bayonet joint 6 can just continue to extend, and begin to squeeze the two clamping blocks 803, so that the two clamping blocks 803 begin to move in opposite directions, when the two clamping blocks 803 and the slotted holes formed on the two clamping bars 9 are in the same vertical position, the two clamping blocks 803 receive the elastic force of the second spring to enable the two clamping blocks 803 to be clamped on the inner walls of the two clamping bars 9, so that the bayonet joint 6 and the inner wall of the fixed tube 8 are firmly fixed, if the bayonet joint 6 needs to be dismounted, only the two connecting blocks 804 need to be shifted in opposite directions, so that the two clamping blocks 803 are moved out of the inner walls of the two clamping bars 9, at the moment, the elastic force of the first spring 83 is restored to push the bayonet joint 6 to move leftwards, the air bag 81 also loses the squeezing of the, at this time, the bayonet joint 6 is removed again to complete the disassembly.

To sum up, the user can clamp the clamping head 6 through the inner wall of the fixed tube 8, and it should be noted that, during the clamping process, it is ensured that the two positioning blocks 7 are aligned with the inner grooves at the top and bottom of the left side of the fixed tube 8 to push the clamping head 6 inwards, when the outer wall at the right side of the clamping head 6 contacts with the baffle 82 at the left side of the air bag 81, the clamping head 6 is pushed inwards continuously with force, the baffle 82 will begin to press the air bag 81 to shrink the air bag 81, and the air in the air bag 81 will be discharged with the two air pipes 84 through the air outlet holes at the upper and lower ends of the right side, as the air pipes 84 are conveyed, the air pressure is pushed into the two air pressure rods 85, so that the air pressure rods 85 receive the air pressure to push the inner rods of the air pressure rods 85 out, at this time, the two air pressure rods 85 are just clamped into the clamping grooves at the top and bottom of the clamping head 6 to primarily fix, at this time, the two clamping rods 9 at the top and the bottom of the right side of the clamping head 6 can just continue to extend, and begin to press the two clamping blocks 803, so that the two clamping blocks 803 begin to move in the opposite directions, when the two blocks 803 are in the same vertical position with the slotted holes of the two clamping bars 9, the two blocks 803 are subject to the elastic force of the second spring to make the two blocks 803 fastened to the inner walls of the two clamping bars 9, so as to firmly fix the clamping joint 6 and the inner wall of the fixed tube 8, if the clamping head 6 needs to be dismounted, only the two connecting blocks 804 need to be shifted to the opposite positions, so that the two clamping blocks 803 are moved out of the inner walls of the two clamping rods 9, the elastic force of the first spring 83 is recovered and pushes the clamping head 6 to move leftwards, the air bag 81 loses the extrusion of the clamping head 6, and therefore the inner rod of the air pressure rod 85 is moved out of the clamping groove in the clamping head 6, and the clamping head 6 is dismounted at the moment, so that the dismounting can be completed.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a convenient fixed rotary joint of connecting, includes shell (1), pneumatic component (80) and spacing subassembly (800), its characterized in that: the utility model discloses a joint, including shell (1), inner wall swing joint, intercommunication mouth (4), outer wall fixed mounting have connecting pipe (5), the right side fixed mounting of shell (1) has joint (6), the left side top and the equal fixed mounting in bottom of joint (6) have locating piece (7), the outer wall swing joint of joint (6) has fixed pipe (8), the right side top and the equal fixed mounting in bottom of joint (6) have kelly (9).

2. A rotary joint convenient for connection and fixation according to claim 1, wherein: pneumatic component (80) include gasbag (81), the left side swing joint of gasbag (81) has baffle (82), the top and the equal fixed mounting in bottom of baffle (82) have first spring (83), the right side top and the equal fixed mounting in bottom inner wall of gasbag (81) have trachea (84), two the equal fixed mounting in left side of trachea (84) has atmospheric pressure pole (85).

3. A rotary joint convenient for connection and fixation according to claim 1, wherein: spacing subassembly (800) include spacing shell (801), the inner wall swing joint of spacing shell (801) has connecting rod (802), the bottom fixed mounting of connecting rod (802) has fixture block (803), the top fixed mounting of connecting rod (802) has connecting block (804).

4. A rotary joint convenient for connection and fixation according to claim 2, wherein: the top and the bottom of the right side of the air bag (81) are both provided with air outlets, and the opposite sides of the right sides of the two air pipes (84) are respectively fixedly connected with the inner walls of the two air outlets.

5. A rotary joint convenient for connection and fixation according to claim 4, wherein: the top and the bottom of the right sides of the two air pressure rods (85) are provided with air outlet holes, and the left sides of the two air pipes (84) are fixedly connected with the inner walls of the two air outlet holes respectively.

6. A rotary joint convenient for connection and fixation according to claim 5, wherein: slotted holes matched with the inner rods of the two air pressure rods (85) are formed in the top and the bottom of the clamping joint (6), and inner grooves matched with the two positioning blocks (7) are formed in the top and the bottom of the left side of the fixed pipe (8).

7. A rotary joint convenient for connection and fixation according to claim 3, wherein: the top and the bottom of kelly (9) all set up with the slotted hole of two fixture block (803) looks adaptations, the outer wall of two spacing shells (801) and the inner wall fixed connection of fixed pipe (8), the equal fixed mounting of inner wall of two spacing shells (801) has the second spring, the relative one side of two second springs respectively with the outer wall fixed connection of two connecting rods (802), the one side of carrying on the back mutually of two second springs respectively with two spacing shells (801) one side inner wall fixed connection that carries on the back mutually.