CN213394029U

CN213394029U - Rotary joint convenient to disassemble and assemble

Info

Publication number: CN213394029U
Application number: CN202022392324.8U
Authority: CN
Inventors: 刘海峰; 张文汉
Original assignee: Wuxi Heshen Machinery Technology Co ltd
Current assignee: Wuxi Heshen Machinery Technology Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-06-08
Anticipated expiration: 2030-10-23

Abstract

The utility model discloses a rotary joint of convenient dismantlement installation belongs to rotary joint technical field. A rotary joint convenient to disassemble and assemble comprises a tee joint, wherein an inner hexagonal bolt is connected to the inner portion of the tee joint in a threaded mode, one end of the inner hexagonal bolt is connected with a shell in a threaded mode, a spring is fixedly connected to the inner portion of the tee joint, a static ring is arranged at one end of the spring, a first O-shaped ring is inserted into the static ring in a plugging mode, and a first rotation stopping pin is inserted into one end of the static ring in a plugging mode; the utility model discloses a setting of casing, tee bend and hexagon socket head cap screw, the quiet ring of sealing member and the rotating ring of device adopt movable design, and rotary joint need not pull down from the equipment when changing the sealing member, and the staff only need rotatory hexagon socket head cap screw, makes hexagon socket head cap screw loosen, and the tee bend will separate with the casing, at this moment with regard to the detachable tee bend, just so removable sealing member rotating ring and quiet ring, very big shortening because of maintenance rotary joint's down time.

Description

Rotary joint convenient to disassemble and assemble

Technical Field

The utility model relates to a rotary joint technical field especially relates to a rotary joint of convenient dismantlement installation.

Background

The rotary joint is a connecting and sealing device which inputs fluid media into equipment which rotates or reciprocates from a static pipeline and discharges the fluid media from the rotary joint, which is called as a rotary joint for short, the earliest rotary joint adopts packing type sealing, hemp ropes or asbestos ropes are wound on a rotating part, and the fillers are continuously replaced due to long working time, so as to avoid the trouble, people invent a sealing wear-resistant piece, which is the prototype of the rotary joint in the present day, later people adopt a plane device, the problem of plane abrasion is effectively solved by using silicon carbide, the working principle of the rotary joint is that the temperature of a circulating medium which has the sealing function, such as a screw extruder, is too high, the rotary joint has to play the role of connecting a screw and a water supply pipe when the hollow inner part of the screw needs to be manufactured into circulating water flow to take heat away, the rotary joint is used as a sealing device for connection, which is used for inputting liquid into a rotary or reciprocating device from the pipeline side and discharging the liquid from the rotary or reciprocating device.

At present, when the sealing element of the rotary joint on the market is replaced, the device needs to be completely disassembled, and the sealing element is inconvenient to install.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the replacement of the sealing element is inconvenient and the dismounting device is inconvenient in the prior art, and providing a rotary joint convenient to dismount and mount.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a rotary joint of installation convenient to dismantle, includes the tee bend, the internal thread of tee bend has hexagon socket head cap screw, hexagon socket head cap screw's one end threaded connection has the casing, the inside fixedly connected with spring of tee bend, the one end of spring is provided with quiet ring, the inside grafting of quiet ring has first O type circle, the one end grafting of quiet ring has first stall round pin, the inside grafting of casing has the bearing, the inside grafting of bearing has the hollow shaft.

Preferably, the hollow shaft is sleeved with a spacer bush, the hollow shaft is sleeved with a shaft clamp, and the shell is inserted with a hole clamp.

Preferably, a half-split ring is sleeved outside the hollow shaft, and a flange is sleeved outside the half-split ring.

Preferably, the outer part of the hollow shaft is sleeved with a red copper gasket, and one end of the hollow shaft is provided with a transition flange.

Preferably, a movable ring is arranged on one side of the hollow shaft, a second rotation stopping pin is inserted into one side of the movable ring, and a second O-shaped ring is inserted into the hollow shaft.

Preferably, the inner pipe is inserted in the tee joint, one side of the tee joint is sleeved with an elbow, and one side of the shell is movably connected with an oil nozzle.

Compared with the prior art, the utility model provides a rotary joint of installation conveniently dismantles possesses following beneficial effect:

1. the utility model discloses, through the casing, a spring, the rotating ring, tee bend and hexagon socket head cap screw's setting, the quiet ring of sealing member and the movable ring of device adopt movable design, rotary joint need not tear off from the equipment when changing the sealing member, the staff only need rotatory hexagon socket head cap screw, make hexagon socket head cap screw loosen, the tee bend will separate with the casing, at this moment with regard to the detachable tee bend, just so removable sealing member rotating ring and quiet ring, just can adorn after the change finishes interior hexagon bolt makes the tee bend be connected with the casing can, this kind of design can make the staff more convenient when changing the sealing member, very big shortening because of maintenance rotary joint's down time, staff's work efficiency has been improved.

2. The utility model discloses, through the flange, the setting of flange and semicircle ring, through flange joint customer equipment, device connecting device divide into half branch ring sum flange, half branch ring adopts two half formula designs, half branch ring sum flange all is the conical surface design, half branch ring can be put in the inside of flange, use bolt clamping flange and flange just can accomplish the installation, when the staff need pull down the device, only need loosen the bolt to half branch ring can take out can, need not tear the bolt open completely, can effectual reduction staff's dismounting device time like this, it is also more convenient when the installation, work efficiency that like this can effectual improvement staff.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses need not pull down the device completely when the device need be changed the sealing member just removable, the effectual work efficiency that improves the staff, if when the device need be pulled down, only need loosen the bolt to can take out half divide the ring can, need not tear the bolt open completely.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 3 is an enlarged schematic structural diagram of the position B in fig. 1 according to the present invention.

In the figure: 1. a transition flange; 2. an inner tube; 3. a red copper gasket; 4. semi-ring division; 5. a flange; 6. shaft clamping; 7. a bearing; 8. hole clamping; 9. a spacer sleeve; 10. a nozzle tip; 11. a second O-ring; 12. a moving ring; 13. a stationary ring; 14. a first rotation stop pin; 15. a first O-ring; 16. a tee joint; 17. bending the pipe; 18. a hollow shaft; 19. a hexagon socket head cap screw; 20. a spring; 21. a housing; 22. a second anti-rotation pin.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a swivel joint convenient for disassembly and assembly comprises a tee joint 16, a hexagon socket head cap screw 19 is connected inside the tee joint 16 in a threaded manner, one end of the hexagon socket head cap screw 19 is connected with a shell 21 in a threaded manner, a spring 20 is fixedly connected inside the tee joint 16, a stationary ring 13 is arranged at one end of the spring 20, a first O-ring 15 is inserted inside the stationary ring 13, a first rotation stopping pin 14 is inserted at one end of the stationary ring 13, a bearing 7 is inserted inside the shell 21, a hollow shaft 18 is inserted inside the bearing 7, the stationary ring 13 and the moving ring 12 of a sealing element of the device are in a movable design, the swivel joint does not need to be disassembled from the device when the sealing element is replaced, a worker only needs to rotate the hexagon socket head cap screw 19 to loosen the hexagon socket head cap screw 19, the tee joint 16 and the shell 21 can be separated, the tee joint 16 can be disassembled, and, after the replacement is finished, the inner hexagon bolt can be installed to enable the tee joint 16 to be connected with the shell 21, the outer part of the hollow shaft 18 is sleeved with the spacer 9, the outer part of the hollow shaft 18 is sleeved with the shaft clamp 6, the inner part of the shell 21 is inserted with the hole clamp 8, the hole clamp 8 and the shaft clamp 6 are used for preventing the bearing from falling out, the hollow shaft 18 and the fixed bearing are connected with the half-divided ring 4 in a sleeved mode, the outer part of the half-divided ring 4 is sleeved with the flange 5, the outer part of the hollow shaft 18 is sleeved with the red copper gasket 3, one end of the hollow shaft 18 is provided with the transition flange 1, the device connecting device is divided into the half-divided ring 4 and the flange 5, the half-divided ring 4 is designed in two halves, the half-divided ring 4 and the flange 5 are designed in conical surfaces, the half-divided ring 4 can be placed in the flange 5, the installation can be completed by clamping the flange 5 and the transition flange 1 through the bolt, one, the inside grafting of hollow shaft 18 has second O type circle 11, and the effect of second stall round pin 22 is for making movable ring 12 follow hollow shaft 18 rotatory, and second O type circle 11 mainly plays sealed effect, and the inside grafting of tee bend 16 has inner tube 2, and elbow 17 has been cup jointed to one side of tee bend 16, and one side swing joint of casing 21 has glib talker 10, opens glib talker 10 and can scribble lubricating oil to the bearing.

In the utility model, the static ring 13 and the dynamic ring 12 of the sealing element are movably designed, the rotary joint does not need to be detached from the equipment when the sealing element is replaced, the worker only needs to rotate the hexagon socket head cap screw 19 to loosen the hexagon socket head cap screw 19, the tee joint 16 can be separated from the shell 21, the tee joint 16 can be detached at the moment, the dynamic ring 12 and the static ring 13 of the sealing element can be replaced, the hexagon socket head cap screw can be installed after the replacement is finished to connect the tee joint 16 with the shell 21, the design can make the worker more convenient when replacing the sealing element, the shutdown time of the rotary joint due to maintenance is greatly shortened, the working efficiency of the worker is improved, the customer equipment is connected through the transition flange 1, the device connecting device is divided into the half-divided ring 4 and the flange 5, the half-divided ring 4 adopts the two-half design, the half-divided ring 4 and the flange 5 are both conical surface design, the half-divided ring 4 can be placed in the flange, use bolt clamping flange 5 and transition flange 1 just can accomplish the installation, when the staff need pull down the device, only need loosen the bolt to half divide ring 4 can take out, need not pull down the bolt completely, like this can effectual reduction staff's dismounting device time, also more convenient when the installation, like this can effectual improvement staff's work efficiency.

The 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 utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a rotary joint of convenient dismantlement installation, includes tee bend (16), its characterized in that, the internal thread of tee bend (16) is connected with hexagon socket head cap screw (19), the one end threaded connection of hexagon socket head cap screw (19) has casing (21), the inside fixedly connected with spring (20) of tee bend (16), the one end of spring (20) is provided with quiet ring (13), the inside grafting of quiet ring (13) has first O type circle (15), the one end grafting of quiet ring (13) has first only to rotate round pin (14), the inside grafting of casing (21) has bearing (7), the inside grafting of bearing (7) has hollow shaft (18).

2. A swivel joint facilitating disassembly and assembly according to claim 1, wherein a spacer sleeve (9) is sleeved on the outside of the hollow shaft (18), a shaft clamp (6) is sleeved on the outside of the hollow shaft (18), and a hole clamp (8) is inserted into the inside of the housing (21).

3. A swivel joint facilitating disassembly and assembly according to claim 1, wherein a half-split ring (4) is sleeved on the outside of the hollow shaft (18), and a flange (5) is sleeved on the outside of the half-split ring (4).

4. A swivel joint convenient for disassembly and assembly according to claim 1, wherein a red copper gasket (3) is sleeved outside the hollow shaft (18), and one end of the hollow shaft (18) is provided with a transition flange (1).

5. A rotary joint convenient for disassembly and assembly according to claim 1, wherein a movable ring (12) is arranged on one side of the hollow shaft (18), a second rotation stopping pin (22) is inserted on one side of the movable ring (12), and a second O-ring (11) is inserted inside the hollow shaft (18).

6. A swivel joint convenient for disassembly and assembly according to claim 1, wherein the inner pipe (2) is inserted into the tee (16), one side of the tee (16) is sleeved with an elbow (17), and one side of the shell (21) is movably connected with a nozzle tip (10).