CN215908623U

CN215908623U - Wear-resistant and easy-to-maintain rotary joint

Info

Publication number: CN215908623U
Application number: CN202122352682.0U
Authority: CN
Inventors: 俞良; 张玉; 俞海洪
Original assignee: Tengzhou Dahong Machinery Manufacturing Co ltd
Current assignee: Tengzhou Dahong Machinery Manufacturing Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-02-25
Anticipated expiration: 2031-09-28

Abstract

The utility model discloses a wear-resistant and easy-to-maintain rotary joint, and particularly relates to the technical field of rotary joints. The utility model reduces friction in the rotating process of the inner pipe by arranging the ball rotating structure which can be conveniently detached at the lower end of the inner pipe, is convenient to prolong the service life of the rotating joint, is convenient to take out, clean and replace the ball rotating structure, and prevents the ball from adhering to debris and dust in the rotating process to increase the resistance between the ball and the inner pipe in the rotating process.

Description

Wear-resistant and easy-to-maintain rotary joint

Technical Field

The utility model relates to the technical field of rotary joints, in particular to a wear-resistant rotary joint easy to maintain.

Background

The rotary joint is a pipeline connector, and the connected pipelines can rotate relatively, can be used for conveying various media such as gas, liquid, oil and the like, adopts flange connection, and can be effectively integrated into client equipment. The rotary joint is a sealed rotary connector for conveying media in a 360-degree rotating mode and can be divided into a hydraulic rotary joint, a high-pressure rotary joint, a multi-channel rotary joint, a high-speed rotary joint, a high-temperature rotary joint, a single-channel rotary joint, a special rotary joint for a special rotary joint LED (light-emitting diode), a special rotary joint for an excavator and a special rotary joint for a machine tool. The rotary joint is a sealing device which is used for inputting liquid into a rotating or reciprocating device from one end of a pipeline and discharging the liquid from the pipeline.

When the existing rotary joint is used, the rotating inner pipe can continuously rub the surface of the device, so that the lower end surface of the inner pipe is seriously worn, and the service life of the rotary joint is shortened.

SUMMERY OF THE UTILITY MODEL

Therefore, the wear-resistant and easy-to-maintain rotary joint provided by the embodiment of the utility model has the advantages that the ball rotating structure which can be conveniently detached is arranged at the lower end of the inner pipe, so that the friction in the rotating process of the inner pipe is conveniently reduced, the service life of the rotary joint is prolonged, and the problems that in the prior art, the inner pipe in the rotary joint possibly generates friction with the surface of a device in the rotating process, the surface loss of the lower end of the inner pipe is serious, and the service life of the rotary joint is shortened are solved.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: the utility model provides a stand wear and tear swivel joint of easy maintenance, includes outer tube and inner tube, the outer tube parcel is at the upper end surface of inner tube, the lower extreme of inner tube is equipped with the inlay card groove, the inner in inlay card groove is equipped with the fixture block, the inner of fixture block is equipped with the connecting hole, the outer end of connecting hole is equipped with the slide cartridge, the inner of slide cartridge and connecting hole all is equipped with the kelly, the outer end of kelly is equipped with the limiting plate, the outer end of limiting plate is equipped with first spring, the inner of kelly is equipped with the cavity groove, the inner of cavity groove is equipped with the second spring, the one end of second spring is equipped with the sliding plate, the one end of sliding plate is equipped with the gangbar, the one end of gangbar is equipped with the handle, the both ends of handle are equipped with the recess.

Furthermore, the embedded grooves are embedded in the inner surface of the lower end of the inner pipe, the number of the embedded grooves is two, the number of the clamping blocks is two, the embedded grooves are connected with the two groups of clamping blocks in an embedded mode, the two groups of clamping blocks and the two groups of embedded grooves are located on two sides of the lower end of the inner pipe respectively, the two groups of clamping blocks and the two groups of embedded grooves are symmetrically distributed along the inner pipe, and the embedded grooves are arranged to facilitate the embedded and fixation of the clamping blocks.

Further, the connecting hole runs through in the both ends surface of fixture block, the quantity of connecting hole sets up to two sets of, two sets of the connecting hole runs through respectively in the both ends surface of fixture block, and is two sets of the inner embedding of connecting hole is at the internal surface of inner tube, and is two sets of run-through connection between the outer end of connecting hole all and the slide cartridge, the quantity of slide cartridge sets up to two sets of, and is two sets of the outer end of slide cartridge runs through in the surface of inner tube, through being provided with the slide cartridge, has made things convenient for the kelly to slide along the slide cartridge under the drive of limiting plate.

Further, the kelly runs through in the inner of connecting hole and smooth section of thick bamboo, the limiting plate is located the central authorities surface of kelly, and fixed connection between limiting plate and the kelly, the limiting plate slides along the inner of smooth section of thick bamboo, the outer end of limiting plate and the one end fixed connection of first spring, the other end of first spring and the outer end fixed connection of smooth section of thick bamboo have made things convenient for the resilience of kelly through being provided with first spring.

Furthermore, the sliding plate slides along the hollow groove, the sliding plate is fixedly connected with the linkage rod, the length of the linkage rod is equal to that of the clamping rod, the second spring wraps the outer end of the linkage rod, the outer surface of the linkage rod is fixedly connected with the handle, the section length of the handle is larger than the section diameter of the sliding barrel, the number of the grooves is two, the grooves are respectively and fixedly connected to the two ends of the handle, and the linkage rod fixedly connected with the handle is convenient to store through the second spring.

Further, the lower extreme of fixture block is equipped with the spread groove, the both ends of spread groove are equipped with the rotation groove, the inner in rotation groove is equipped with the pivot, the outer end of pivot is equipped with the through hole, the outer end of through hole is equipped with the ball, through being provided with the through hole, has made things convenient for the installation to the ball.

Further, fixed connection between spread groove and the fixture block, the cross sectional shape of spread groove is ring shape, the lower extreme of spread groove is provided with the cavity annular, and the cross-sectional width size of cavity annular is greater than the cross-sectional diameter size of ball, swing joint between pivot and the rotation groove, the pivot runs through in the inner of ball through the through hole, through being provided with the rotation groove, the fixed rotating shaft's of being convenient for position.

The embodiment of the utility model has the following advantages:

1. according to the utility model, by arranging the connecting hole, the clamping rod, the limiting plate, the sliding cylinder, the first spring, the hollow groove, the sliding plate, the linkage rod, the handle, the groove and the second spring, the structure at the outer end of the ball can be conveniently taken out, the interior of the ball is convenient to clean and replace, the effect of reducing resistance in the rotating process of the ball is facilitated, the rotation of the rotary joint is higher in speed and higher in efficiency, the length of the handle is recovered through the second spring, and the winding of the rotary joint in the process of driving the air pipe to rotate is facilitated.

2. The ball rotating structure is convenient to install at the lower end of the inner pipe by arranging the clamping and embedding groove, the clamping block, the connecting groove, the rotating shaft, the rotating groove, the ball and the through hole, so that the friction between the outer surface of the lower end of the inner pipe and the device is reduced in the rotating process of the inner pipe, and the loss of the rotating joint is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a schematic view of the overall structure provided by the present invention;

FIG. 2 is a cross-sectional view of a snap groove provided in the present invention;

FIG. 3 is a vertical cross-sectional view of a card slot provided by the present invention;

FIG. 4 is a vertical cross-sectional view of a through-hole provided by the present invention;

FIG. 5 is the front view of FIG. 4 provided by the present invention;

in the figure: 1. an outer tube; 2. an inner tube; 3. a clamping groove; 4. a clamping block; 5. connecting grooves; 6. a rotating shaft; 7. a rotating groove; 8. a ball bearing; 9. a through hole; 10. connecting holes; 11. a clamping rod; 12. a limiting plate; 13. a slide cylinder; 14. a first spring; 15. a hollow groove; 16. a sliding plate; 17. a linkage rod; 18. a handle; 19. a groove; 20. a second spring.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3 of the specification, the wear-resistant and easy-to-maintain rotary joint of the embodiment comprises an outer pipe 1 and an inner pipe 2, the outer pipe 1 is wrapped on the outer surface of the upper end of the inner pipe 2, the lower end of the inner pipe 2 is provided with a clamping and embedding groove 3, a clamping block 4 is arranged at the inner end of the clamping and embedding groove 3, a connecting hole 10 is arranged at the inner end of the clamping block 4, the outer end of the connecting hole 10 is provided with a sliding cylinder 13, the inner ends of the sliding cylinder 13 and the connecting hole 10 are both provided with a clamping rod 11, a limiting plate 12 is arranged at the outer end of the clamping rod 11, a first spring 14 is arranged at the outer end of the limiting plate 12, the inner end of the clamping rod 11 is provided with a hollow groove 15, the inner end of the hollow groove 15 is provided with a second spring 20, one end of the second spring 20 is provided with a sliding plate 16, one end of the sliding plate 16 is provided with a linkage rod 17, one end of the linkage rod 17 is provided with a handle 18, and two ends of the handle 18 are provided with grooves 19.

The embedded groove 3 is embedded in the inner surface of the lower end of the inner pipe 2, the number of the embedded grooves 3 is set into two groups, the number of the clamping blocks 4 is set into two groups, the two groups are embedded between the embedded grooves 3 and the two groups of clamping blocks 4, the two groups of the clamping blocks 4 and the two groups of embedded grooves 3 are respectively positioned on two sides of the lower end of the inner pipe 2, the two groups of the clamping blocks 4 and the two groups of the embedded grooves 3 are symmetrically distributed along the inner pipe 2, and the embedded grooves 3 are arranged to facilitate the embedding of the clamping blocks 4.

The connecting holes 10 run through in the both ends surface of fixture block 4, the quantity of connecting holes 10 sets up to two sets of, two sets of connecting holes 10 run through respectively in the both ends surface of fixture block 4, and is two sets of the inner embedding of connecting holes 10 is at the internal surface of inner tube 2, and is two sets of run through between the outer end of connecting holes 10 all and the slide cartridge 13, the quantity of slide cartridge 13 sets up to two sets of, two sets of the outer end of slide cartridge 13 runs through in the surface of inner tube 2, through being provided with slide cartridge 13, has made things convenient for and has made things convenient for each other run through between the connecting holes 10.

Card pole 11 runs through in the inner of connecting hole 10 and smooth section of thick bamboo 13, limiting plate 12 is located the central authorities surface of card pole 11, and fixed connection between limiting plate 12 and the card pole 11, limiting plate 12 slides along the inner of smooth section of thick bamboo 13, the outer end of limiting plate 12 and the one end fixed connection of first spring 14, the other end of first spring 14 and the outer end fixed connection of smooth section of thick bamboo 13 are provided with first spring 14, the resilience of the card pole 11 of being convenient for.

The sliding plate 16 slides along the hollow groove 15, the sliding plate 16 is fixedly connected with the linkage rod 17, the length of the linkage rod 17 is equal to that of the clamping rod 11, the second spring 20 wraps the outer end of the linkage rod 17, the outer surface of the linkage rod 17 is fixedly connected with the handle 18, the length of the section of the handle 18 is larger than the diameter of the section of the sliding cylinder 13, the number of the grooves 19 is two, the two groups of grooves 19 are respectively and fixedly connected to two ends of the handle 18, and the handle 18 is conveniently pulled through the arrangement of the grooves 19.

The implementation scenario is specifically as follows: when the utility model is used, when the connecting groove 5 connected with the clamping groove 3 through the clamping block 4 needs to be taken down, the garbage such as scraps, dust and the like adsorbed when the ball 8 rolls in the inner part is cleaned, and when the garbage is replaced, firstly, the handle 18 is pulled along the groove 19 at the two ends of the handle 18, so that the linkage rod 17 fixedly connected with the rear end of the handle 18 drives the sliding plate 16 to slide outwards along the hollow groove 15, and the second spring 20 is extruded in the sliding process of the sliding plate 16 until the clamping rod 11 can be driven to slide outwards through the sliding plate 16, at the moment, the handle 18 is continuously pulled outwards, so that the clamping rod 11 slides outwards in the sliding cylinder 13 through the limiting plate 12, and the first spring 14 is compressed in the sliding process of the limiting plate 12, thereby facilitating the tail end of the clamping rod 11 to leave the connecting hole 10 positioned in the clamping block 4, facilitating the taking out under the condition that the connection between the clamping block 4 and the clamping rod 11 is broken through the connecting groove 5, the cleaning and the replacement of the interior are carried out, the length of the handle 18 is recovered through the second spring 20, the winding cannot be generated in the process that the rotary joint drives the air pipe to rotate, and the embodiment specifically solves the problem that in the prior art, the rolling process of the ball 8 can cause dust and debris on the device to enter the connecting groove 5 under the action of static electricity or friction, so that the rolling resistance of the ball 8 is increased.

Referring to fig. 4-5 in the specification, in the wear-resistant and easy-to-maintain rotary joint of this embodiment, the lower end of the fixture block 4 is provided with the connecting groove 5, the two ends of the connecting groove 5 are provided with the rotating grooves 7, the inner ends of the rotating grooves 7 are provided with the rotating shafts 6, the outer ends of the rotating shafts 6 are provided with the through holes 9, and the outer ends of the through holes 9 are provided with the balls 8.

Fixed connection between spread groove 5 and fixture block 4, the cross sectional shape of spread groove 5 is ring shape, the lower extreme of spread groove 5 is provided with the cavity annular, and the cross-sectional width size of cavity annular is greater than the cross-sectional diameter size of ball 8, swing joint between pivot 6 and the rotation groove 7, pivot 6 runs through in the inner of ball 8 through-hole 9, through being provided with pivot 6, has made things convenient for and has injectd the position of ball 8, has prevented the friction between the ball 8 and has caused the resistance increase on ball 8 surface.

The implementation scenario is specifically as follows: when the utility model is used, when the friction between the lower end and the machine is required to be reduced in the rotating process of the inner pipe 2, by arranging the clamping and embedding groove 3 at the lower end of the inner pipe 2, a connecting groove 5 connected with the clamping block 4 is arranged in the clamping embedding groove 3, balls 8 connected with a rotating shaft 6 and a rotating groove 7 through a through hole 9 are distributed on the inner circumference array of the connecting groove 5, the balls 8 at the limited positions rotate, so that the friction among the balls 8 is reduced, the heat generated in the rotating process of the inner tube 2 is reduced, the loss caused by the friction is reduced, meanwhile, the rotation process of the inner tube 2 is smoother, the rotation of the inner tube 2 can be quicker, this embodiment specifically addresses the problem of the prior art that contact between the lower end and the device may occur during rotation of the inner tube 2, thereby generating friction, which is disadvantageous to high-speed rotation of the rotary joint and may cause a problem of wear of the rotary joint.

Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.

Claims

1. The utility model provides a stand wear and tear swivel joint who easily maintains, includes outer tube (1) and inner tube (2), outer tube (1) parcel is at the upper end surface of inner tube (2), its characterized in that: the lower end of the inner pipe (2) is provided with a clamping groove (3), the inner end of the clamping groove (3) is provided with a clamping block (4), the inner end of the clamping block (4) is provided with a connecting hole (10), the outer end of the connecting hole (10) is provided with a sliding cylinder (13), the inner ends of the sliding cylinder (13) and the connecting hole (10) are provided with clamping rods (11), a limiting plate (12) is arranged at the outer end of the clamping rod (11), a first spring (14) is arranged at the outer end of the limiting plate (12), a hollow groove (15) is arranged at the inner end of the clamping rod (11), a second spring (20) is arranged at the inner end of the hollow groove (15), one end of the second spring (20) is provided with a sliding plate (16), one end of the sliding plate (16) is provided with a linkage rod (17), one end of the linkage rod (17) is provided with a handle (18), and two ends of the handle (18) are provided with grooves (19).

2. A wear resistant easy to maintain swivel according to claim 1, characterized by: inlay the lower extreme internal surface in inner tube (2) in inlay card groove (3), the quantity of inlay card groove (3) sets up to two sets ofly, the quantity of fixture block (4) sets up to two sets ofly, two sets of inlay card is connected between inlay card groove (3) and two sets of fixture block (4), and is two sets of fixture block (4) and two sets of inlay card groove (3) are located the lower extreme both sides of inner tube (2) respectively, and are two sets of fixture block (4) and two sets of inlay card groove (3) are the symmetric distribution along inner tube (2).

3. A wear resistant easy to maintain swivel according to claim 1, characterized by: connecting hole (10) run through in the both ends surface of fixture block (4), the quantity of connecting hole (10) sets up to two sets of, two sets of connecting hole (10) runs through respectively in the both ends surface of fixture block (4), and is two sets of the inner embedding of connecting hole (10) is at the internal surface of inner tube (2), and is two sets of run through between the outer end of connecting hole (10) all and slide cartridge (13), the quantity of slide cartridge (13) sets up to two sets of, and is two sets of the outer end of slide cartridge (13) runs through in the surface of inner tube (2).

4. A wear resistant easy to maintain swivel according to claim 1, characterized by: card pole (11) run through in the inner of connecting hole (10) and smooth section of thick bamboo (13), limiting plate (12) are located the central authorities surface of card pole (11), and fixed connection between limiting plate (12) and card pole (11), limiting plate (12) slide along the inner of smooth section of thick bamboo (13), the outer end of limiting plate (12) and the one end fixed connection of first spring (14), the other end of first spring (14) and the outer end fixed connection of smooth section of thick bamboo (13).

5. A wear resistant easy to maintain swivel according to claim 1, characterized by: the sliding plate (16) slides along the hollow groove (15), the sliding plate (16) is fixedly connected with the linkage rod (17), the length of the linkage rod (17) is equal to that of the clamping rod (11), the second spring (20) wraps the outer end of the linkage rod (17), the outer surface of the linkage rod (17) is fixedly connected with the handle (18), the section length of the handle (18) is larger than the section diameter of the sliding barrel (13), the number of the grooves (19) is two, and the two groups of grooves (19) are respectively and fixedly connected to two ends of the handle (18).

6. A wear resistant easy to maintain swivel according to claim 1, characterized by: the lower extreme of fixture block (4) is equipped with spread groove (5), the both ends of spread groove (5) are equipped with rotate groove (7), the inner of rotating groove (7) is equipped with pivot (6), the outer end of pivot (6) is equipped with through hole (9), the outer end of through hole (9) is equipped with ball (8).

7. A wear resistant easy to maintain swivel according to claim 6 wherein: fixed connection between spread groove (5) and fixture block (4), the cross sectional shape of spread groove (5) is the ring shape, the lower extreme of spread groove (5) is provided with the cavity annular, and the cross-sectional width size of cavity annular is greater than the section diameter size of ball (8), swing joint between pivot (6) and the rotation groove (7), pivot (6) run through in the inner of ball (8) through hole (9).