CN213420235U - Double-mechanical-seal type rotary joint - Google Patents
Double-mechanical-seal type rotary joint Download PDFInfo
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- CN213420235U CN213420235U CN202022575930.3U CN202022575930U CN213420235U CN 213420235 U CN213420235 U CN 213420235U CN 202022575930 U CN202022575930 U CN 202022575930U CN 213420235 U CN213420235 U CN 213420235U
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Abstract
The utility model relates to the technical field of rotary joint production, and discloses a double-mechanical sealing type rotary joint which comprises a shell, a push rod component and a pneumatic component, a sealing shell is fixedly arranged at the left side of the shell, the inner wall of the shell is movably connected with a rotating shaft rod, the right side of the shell is fixedly provided with a connector, the inner wall of the top of the shell is fixedly provided with a pipe head, by matching and using the structures between the two push rod assemblies and the pneumatic assembly, when the communicating pipe is contacted with the pipe head, the air bag can be contracted only by pushing the connecting rod to move upwards so as to stretch the air pressure rod to the inner wall of the tube head under stress and ensure that the communicating tube and the tube head are closed more tightly, the traditional structure that the tube head is connected with the communicating tube in a bolt or thread hinged mode is avoided, the rotary joint has the advantages of simple structure, convenience in installation, capability of greatly improving the installation efficiency and reducing the maintenance cost of equipment damage.
Description
Technical Field
The utility model relates to a rotary joint production technical field specifically is a two mechanical seal formula 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.
Traditional rotary joint is when being connected with the communicating pipe of carrying gas, liquid, oil, adopts bolt or thread hinged mode to fix usually, uses for a long time and 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 the efficiency of follow-up transport and rusty bolt needs the independent match to 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 fixed simple purpose of easily maintaining of realization, the utility model provides a following technical scheme: the utility model provides a two mechanical seal formula rotary joint, includes shell, push rod subassembly and pneumatic component, the left side fixed mounting of shell has the sealed shell, the inner wall swing joint of shell has the pivot pole, the right side fixed mounting of shell has the connector, the top inner wall fixed mounting of shell has the tube head, the top fixed mounting of tube head has sealed the pad, the top swing joint who fills up has communicating pipe.
As optimization, the push rod subassembly includes the movable rod, the left side bottom fixed mounting of movable rod has the connecting rod, the right side top fixed mounting of connecting rod has first spring, the top left side inner wall fixed mounting of tube head has the set casing, the inner wall swing joint of set casing has the fixture block, the left side fixed mounting of fixture block has the pull rod, the left side fixed mounting of pull rod has the fixed head.
As optimization, the pneumatic assembly comprises an air bag, an air pipe is fixedly mounted on the inner wall of the top of the air bag, an air pressure rod is fixedly mounted on the outer wall of the bottom of the left side of the air pipe, and a second spring is fixedly mounted on the inner wall of the air pressure rod.
As the optimization, rectangular hole has been seted up in the left side of tube head, the left side outer wall and this rectangular hole looks adaptation of connecting rod, the bottom of first spring and the right side top fixed connection of connecting rod, the top of first spring and the left side top inner wall fixed connection of tube head, the outer wall of movable rod and the inner wall swing joint of tube head for can drive the movable rod when promoting the connecting rod and remove, and when loosening the movable rod, first spring can reset the movable rod through elasticity.
As optimization, the inner wall swing joint of set casing has the third spring, the left and right both sides of third spring respectively with the left side inner wall of set casing and the left side fixed connection of fixture block, the left side of pull rod run through the top left side of tube head and with the right side fixed connection of fixed head for can control the fixture block when pulling the fixed head and carry out lateral shifting, and set up the third spring and can make the third spring resume initial position with the fixture block through elasticity.
As optimization, the outer wall of the air pressure rod is fixedly connected with the inner wall of the left side of the bottom of the communicating pipe, the air pressure rod is composed of an outer rod and an inner rod, the top and the bottom of the second spring are respectively fixedly connected with the inner wall of the top of the outer rod and the top of the inner rod, and the bottom of the inner rod is provided with a clamping groove matched with the clamping block, so that the air pressure rod can move downwards, the clamping block can be clamped into the bottom of the inner rod of the air pressure rod along with the pushing of the clamping block, and the inner rod of the air pressure rod can restore to the initial position along with the elastic force of the second spring after the clamping block.
As optimization, the hole is all seted up with the left side bottom of communicating pipe to the left side top of tube head, two holes respectively with the outer wall looks adaptation of pole outer wall in the pneumatic rod and movable rod for the movable rod can extend to the inner wall of communicating pipe and tube head respectively with the pole in the pneumatic rod.
The utility model has the advantages that: the sealing shell and the sealing gasket are arranged, so that when the pipe head at the top of the rotary joint is connected with an external communicating pipe, the hydraulic pressure, the air pressure, the oil pressure and the like transmitted by the communicating pipe can be effectively sealed, leakage is prevented, the rotary shaft rod can further effectively obtain pressure, and the rotary shaft rod can rotate more easily, by matching and using the structures between the two push rod assemblies and the pneumatic assembly, when the communicating pipe is contacted with the pipe head, the air bag can be contracted only by pushing the connecting rod to move upwards so as to stretch the air pressure rod to the inner wall of the tube head under stress and ensure that the communicating tube and the tube head are closed more tightly, the traditional structure that the tube head is connected with the communicating tube in a bolt or thread hinged mode is avoided, the rotary joint has the advantages of simple structure, convenience in installation, capability of greatly improving the installation efficiency and reducing the maintenance cost of equipment damage.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the fixture block structure of the present invention;
in the figure: 1. a housing; 2. sealing the shell; 3. a spindle rod; 4. a connector; 5. a pipe head; 50. a push rod assembly; 51. a movable rod; 52. a connecting rod; 53. a first spring; 54. a stationary case; 55. a clamping block; 56. a pull rod; 57. a fixed head; 6. a gasket; 7. a communicating pipe; 70. a pneumatic assembly; 71. an air bag; 72. an air tube; 73. a pneumatic rod; 74. a second spring.
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, a double mechanical seal type rotary joint includes a housing 1, a push rod assembly 50 and a pneumatic assembly 70, a seal housing 2 is fixedly mounted on the left side of the housing 1, a rotating shaft rod 3 is movably connected to the inner wall of the housing 1, a connector 4 is fixedly mounted on the right side of the housing 1, a pipe head 5 is fixedly mounted on the inner wall of the top of the housing 1, a seal gasket 6 is fixedly mounted on the top of the pipe head 5, and a communicating pipe 7 is movably connected to the top of the seal gasket 6.
Referring to fig. 2-3, the push rod assembly 50 includes a movable rod 51, a connecting rod 52 is fixedly mounted at the bottom of the left side of the movable rod 51, a first spring 53 is fixedly mounted at the top of the right side of the connecting rod 52, a fixed shell 54 is fixedly mounted on the inner wall of the left side of the top of the tube head 5, a clamping block 55 is movably connected to the inner wall of the fixed shell 54, a pull rod 56 is fixedly mounted on the left side of the clamping block 55, and a fixed head 57 is fixedly mounted on the left side of the.
Referring to fig. 2, the pneumatic assembly 70 includes an air bag 71, an air tube 72 is fixedly mounted on the top inner wall of the air bag 71, an air rod 73 is fixedly mounted on the left bottom outer wall of the air tube 72, and a second spring 74 is fixedly mounted on the inner wall of the air rod 73.
Referring to fig. 3, a long hole is formed in the left side of the tube head 5, the left outer wall of the connecting rod 52 is matched with the long hole, the bottom of the first spring 53 is fixedly connected with the right top of the connecting rod 52, the top of the first spring 53 is fixedly connected with the left top inner wall of the tube head 5, and the outer wall of the movable rod 51 is movably connected with the inner wall of the tube head 5, so that the movable rod 51 can be driven to move when the connecting rod 52 is pushed, and when the movable rod 51 is released, the movable rod 51 can be reset by the first spring 53 through elasticity.
Referring to fig. 2 to 3, the inner wall of the fixed shell 54 is movably connected with a third spring, the left and right sides of the third spring are respectively fixedly connected with the left inner wall of the fixed shell 54 and the left side of the latch 55, and the left side of the pull rod 56 penetrates through the left side of the top of the tube head 5 and is fixedly connected with the right side of the fixed head 57, so that the latch 55 can be controlled to move transversely when the fixed head 57 is pulled, and the third spring can be arranged to restore the latch 55 to the initial position through elastic force.
Referring to fig. 2, the outer wall of the air pressure rod 73 is fixedly connected to the inner wall of the left side of the bottom of the communication tube 7, the air pressure rod 73 is composed of an outer rod and an inner rod, the top and the bottom of the second spring 74 are fixedly connected to the inner wall of the top of the outer rod and the top of the inner rod, respectively, a clamping groove matched with the clamping block 55 is formed in the bottom of the inner rod, so that in the downward moving process of the air pressure rod 73, the clamping block 55 can be clamped into the bottom of the inner rod of the air pressure rod 73 along with the pushing of the clamping block 55, and the inner rod of the air pressure rod 73 can recover to the initial position along with the elastic force of the second spring 74 after the.
Referring to fig. 2, holes are formed in the top of the left side of the tube head 5 and the bottom of the left side of the communication tube 7, and the two holes are respectively matched with the outer wall of the inner rod of the air pressure rod 73 and the outer wall of the movable rod 51, so that the movable rod 51 and the inner rod of the air pressure rod 73 can respectively extend to the inner walls of the communication tube 7 and the tube head 5.
When in use, please refer to fig. 1-3, a user can first fix the connector 4 on the right side of the housing 1 to the fixing table by screwing, and at this time, the external communication pipe 7 can be fixed to the top of the pipe head 5, so that the external oil pressure, hydraulic pressure or air pressure enters the pipe head 5 from the communication pipe 7, further enters the housing 1 to cause the rotation shaft 3 to be pressed and rotate, when the communication pipe 7 is already placed above the pipe head 5, the user can push the connecting rods 52 in the two push rod assemblies 50 to move upwards, so that the two connecting rods 52 pass through the bottom of the communication pipe 7 to enter the inner wall of the communication pipe 7, and when the connecting rods 52 are continuously moved upwards, so that the connecting rods 52 can squeeze the air bag 71, so that the air bag 71 is forced to contract, and the air in the air bag 71 is delivered to the air pressure rod 73 through the air pipe 72, so that, and move downwards, and extend to the top inner wall of tube head 5, the interior pole bottom of final pneumatic rod 73 can contact with the top of fixture block 55, because the top of fixture block 55 is the arc, make fixture block 55 receive the power of interior pole of pneumatic rod 73 to push and contract to the stationary housing 54, when the interior pole of pneumatic rod 73 continues to move downwards and the draw-in groove of interior pole of pneumatic rod 73 and fixture block 55 are at same horizontal position, fixture block 55 is pushed by the third spring, finally fall into the draw-in groove of interior pole of pneumatic rod 73, thereby fix between tube head 5 and communicating pipe 7, when needing communicating pipe 7, only need outwards stir fixed head 57, make fixture block 55 stretch out from the draw-in groove of interior pole of pneumatic rod 73, second spring 74 pulls the interior pole of pneumatic rod 73 to move upwards, finally lift off communicating pipe 7.
To sum up, a user can first fix the connection head 4 on the right side of the housing 1 to the fixing table by screwing, and at this time, the external communication pipe 7 can be fixed to the top of the tube head 5, so that external oil pressure, hydraulic pressure or air pressure enters the tube head 5 from the communication pipe 7, further enters the housing 1 to cause the rotation shaft 3 to be pressed to rotate, when the communication pipe 7 is already placed above the tube head 5, the user can push the connection rods 52 in the two push rod assemblies 50 to move upwards, so that the two connection rods 52 penetrate through the bottom of the communication pipe 7 to enter the inner wall of the communication pipe 7, and when the connection rods 52 are continuously moved upwards, so that the connection rods 52 can squeeze the air bag 71, so that the air bag 71 is forced to contract, and gas in the air bag 71 is delivered to the air pressure rod 73 through the air pipe 72, so that the inner rod of the air, and extend to the top inner wall of the tube head 5, finally the bottom of the inner rod of the air pressure rod 73 can contact with the top of the fixture block 55, because the top of the fixture block 55 is arc-shaped, the fixture block 55 is pushed by the force of the inner rod of the air pressure rod 73 to contract inwards the fixing shell 54, when the inner rod of the air pressure rod 73 continuously moves downwards and the clamping groove of the inner rod of the air pressure rod 73 and the fixture block 55 are at the same horizontal position, the fixture block 55 is pushed by the third spring and finally falls into the clamping groove of the inner rod of the air pressure rod 73, thereby fixing the tube head 5 and the communication tube 7, when the communication tube 7 is required, the fixing head 57 only needs to be shifted outwards, so that the fixture block 55 extends out from the clamping groove of the inner rod of the air pressure rod 73, the second spring.
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 (7)
1. The utility model provides a two mechanical seal formula rotary joint, includes shell (1), push rod subassembly (50) and pneumatic module (70), its characterized in that: the utility model discloses a sealing device, including shell (1), inner wall swing joint have pivot pole (3), the left side fixed mounting of shell (1) has seal shell (2), the inner wall swing joint of shell (1) has pivot pole (3), the right side fixed mounting of shell (1) has connector (4), the top inner wall fixed mounting of shell (1) has tube head (5), the top fixed mounting of tube head (5) has sealed pad (6), the top swing joint of sealed pad (6) has communicating pipe (7).
2. The double mechanical seal type rotary joint according to claim 1, wherein: push rod assembly (50) are including movable rod (51), the left side bottom fixed mounting of movable rod (51) has connecting rod (52), the right side top fixed mounting of connecting rod (52) has first spring (53), the top left side inner wall fixed mounting of tube head (5) has set casing (54), the inner wall swing joint of set casing (54) has fixture block (55), the left side fixed mounting of fixture block (55) has pull rod (56), the left side fixed mounting of pull rod (56) has fixed head (57).
3. The double mechanical seal type rotary joint according to claim 1, wherein: pneumatic component (70) includes gasbag (71), the top inner wall fixed mounting of gasbag (71) has trachea (72), the left side bottom outer wall fixed mounting of trachea (72) has pneumatic rod (73), the inner wall fixed mounting of pneumatic rod (73) has second spring (74).
4. The double mechanical seal type rotary joint according to claim 2, wherein: rectangular hole has been seted up in the left side of tube head (5), the left side outer wall and this rectangular hole adaptation of connecting rod (52), the bottom of first spring (53) and the right side top fixed connection of connecting rod (52), the top of first spring (53) and the left side top inner wall fixed connection of tube head (5), the outer wall of movable rod (51) and the inner wall swing joint of tube head (5).
5. The double mechanical seal type rotary joint according to claim 4, wherein: the inner wall swing joint of set casing (54) has the third spring, the left and right both sides of third spring respectively with the left side inner wall of set casing (54) and the left side fixed connection of fixture block (55), the left side of pull rod (56) run through the top left side of tube head (5) and with the right side fixed connection of fixed head (57).
6. A double mechanical seal type rotary joint according to claim 3, wherein: the outer wall of the air pressure rod (73) is fixedly connected with the inner wall of the left side of the bottom of the communicating pipe (7), the air pressure rod (73) is composed of an outer rod and an inner rod, the top and the bottom of the second spring (74) are fixedly connected with the inner wall of the top of the outer rod and the top of the inner rod respectively, and the bottom of the inner rod is provided with a clamping groove matched with the clamping block (55).
7. The double mechanical seal type rotary joint according to claim 6, wherein: the left side top of tube head (5) and the left side bottom of communicating pipe (7) all set up porosely, two holes respectively with the outer wall looks adaptation of pole outer wall in pneumatic bar (73) and movable rod (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022575930.3U CN213420235U (en) | 2020-11-10 | 2020-11-10 | Double-mechanical-seal type rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022575930.3U CN213420235U (en) | 2020-11-10 | 2020-11-10 | Double-mechanical-seal type rotary joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213420235U true CN213420235U (en) | 2021-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022575930.3U Active CN213420235U (en) | 2020-11-10 | 2020-11-10 | Double-mechanical-seal type rotary joint |
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| Country | Link |
|---|---|
| CN (1) | CN213420235U (en) |
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- 2020-11-10 CN CN202022575930.3U patent/CN213420235U/en active Active
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