CN213394021U - Large-drift-diameter rotary joint for water - Google Patents

Abstract

The utility model discloses a rotary joint is used to big latus rectum water belongs to system aluminium trade technical field, which comprises a housin, the interior fixedly connected with outer tube of casing, fixedly connected with inner tube in the outer tube, a plurality of sealing washers of fixedly connected with between inner tube and the outer tube, two second bearings of the left inner wall fixedly connected with of casing, two first bearings of the right inner wall fixedly connected with of casing, two first bearing volumes are less than two second bearings, the retaining ring is used to the axle all installed to two first bearings and two second bearings, two bearing glands of the equal fixedly connected with in both ends about the casing, finally can realize balanced sealing, it is more lasting to connect the use, two bearing size difference designs, the fulcrum extension is more steady.

Description

Large-drift-diameter rotary joint for water

Technical Field

The utility model relates to a system aluminium trade technical field, more specifically say, relate to big latus rectum water rotary joint.

Background

The rotary joint means: the pipeline connecting device 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 customer equipment.

At present, the two-way rotary joint for the inlet and the outlet of the common large-drift-diameter water rotary joint is large in size, large in medium pressure, short in service life, troublesome in replacement of sealing elements, poor in sealing effect and incapable of meeting the requirement of the current society on high-quality joints.

Disclosure of Invention

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a big latus rectum is rotary joint for water, it can realize balanced sealing, connects to use more lastingly, and two bearings variation in size designs, and the fulcrum extension is more steady.

2. Technical scheme

In order to solve the above problem, the utility model adopts the following technical scheme:

the large-drift-diameter rotary joint for water comprises a shell, wherein an outer pipe is fixedly connected in the shell, an inner pipe is fixedly connected in the outer pipe, a plurality of sealing rings are fixedly connected between the inner pipe and the outer pipe, two second bearings are fixedly connected on the left inner wall of the shell, two first bearings are fixedly connected on the right inner wall of the shell, the volume of the two first bearings is smaller than that of the two second bearings, two first bearings and the two second bearings are respectively provided with a check ring for a shaft, two bearing glands are fixedly connected at the left end and the right end of the shell, the two bearing glands are respectively fixedly connected at the left end and the right end of the shell through a plurality of third fixing screws, a half-divided ring is fixedly connected on the surface of the shell, a first transition flange is fixedly connected on the surface of the half-divided ring, and a second transition flange is fixedly connected at, the three second installation pipes of fixedly connected with in the second transition flange, it is three the second installation pipe all is linked together with the inner tube, finally can realize balanced seal, and it is more lasting to connect the use, and the design of two bearings variation in size, fulcrum extension are more steady.

As an optimized proposal of the utility model, the upper end fixedly connected with of casing splines and grabs.

As a preferred scheme of the utility model, the first installation pipe of left end fixedly connected with of casing, No. two ring flanges of lower extreme fixedly connected with of first installation pipe.

As a preferred scheme of the utility model, the lower extreme fixedly connected with connecting pipe of casing, the lower extreme fixedly connected with ring flange No. one of connecting pipe.

As a preferred scheme of the utility model, the fixed surface of first installation pipe is connected with the connecting piece, the connecting piece passes through a plurality of second set screw fixed connection in the left end of casing.

As an optimized scheme of the utility model, first transition flange pass through a plurality of first set screw fixed connection in second transition flange's left end.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) the scheme is characterized in that a rotary joint with an inlet passage and an outlet passage used in the cold-pressing stick for aluminum production is specially designed, the rotary joint adopts balanced sealing, is connected through a large transition flange at the end part, a channel sealing piece is designed between the joint and the transition flange, an intermediate part can rotate, and an O-shaped ring is used as a rotary sealing piece; the overall design is small and exquisite, and the medium is conveyed to a large rotating device through the transition flange. The joint components are assembled in a factory after being manufactured, and are integrally installed on site, so that the joint is simple, rapid and reliable in sealing.

(2) In this scheme, the upper end fixedly connected with of casing splines and grabs, the spline is for the convenience of this device stall, the first installation pipe of left end fixedly connected with of casing, the ring flange No. two of lower extreme fixedly connected with of first installation pipe, first installation pipe is for the convenience of intaking, No. two ring flanges are for the convenience of connecting the water pipe, the connecting pipe is for the convenience of connecting a ring flange, a ring flange is for the convenience of connecting the water pipe, the connecting piece is for the convenience of mutually supporting with second set screw, the second set screw is for the convenience of improving the stability of first installation pipe, a plurality of first set screws are for the convenience of improving the stability of first transition flange.

Drawings

Fig. 1 is a sectional view of a large-diameter water swivel of the present invention;

FIG. 2 is a right side view of the large diameter water swivel of the present invention;

fig. 3 is a front view of the large-diameter water swivel joint of the present invention.

The reference numbers in the figures illustrate:

1. an outer tube; 2. a bearing gland; 3. a first bearing; 4. a housing; 5. a retainer ring for a shaft; 6. a second bearing; 7. a first transition flange; 8. semi-ring division; 9. a second transition flange; 10. an inner tube; 11. stopping rotation and grabbing; 12. a first mounting tube; 13. a seal ring; 14. a second mounting tube; 15. a first flange plate; 16. a second flange plate; 17. a first set screw; 18. a second set screw; 19. a third set screw; 20. a connecting member.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-3, the large-bore rotary joint for water comprises a housing 4, an outer pipe 1 fixedly connected to the inside of the housing 4, an inner pipe 10 fixedly connected to the inside of the outer pipe 1, a plurality of sealing rings 13 fixedly connected between the inner pipe 10 and the outer pipe 1, two second bearings 6 fixedly connected to the left inner wall of the housing 4, two first bearings 3 fixedly connected to the right inner wall of the housing 4, the two first bearings 3 having a smaller volume than the two second bearings 6, two shaft retainers 5 respectively installed on the two first bearings 3 and the two second bearings 6, two bearing glands 2 fixedly connected to the left and right ends of the housing 4, two bearing glands 2 respectively fixedly connected to the left and right ends of the housing 4 by a plurality of third fixing screws 19, a half-split ring 8 fixedly connected to the surface of the housing 4, a first transition flange 7 fixedly connected to the surface of the half-split ring 8, and a second transition flange 9 fixedly connected to the right end of, and the second transition flange 9 is internally and fixedly connected with three second mounting pipes 14, and the three second mounting pipes 14 are communicated with the inner pipe 10.

In this embodiment, the housing 4 is for fixing the outer pipe 1, the outer pipe 1 is for fixing the inner pipe 10, the plurality of sealing rings 13 are for improving the sealing performance of the device, the two second bearings 6 and the two first bearings 3 are for making the device more stable, the two first bearings 3 and the two second bearings 6 are different in size and for making the device more stable during rotation, the four shaft retainers 5 are for matching the two first bearings 3 and the two second bearings 6, the two bearing glands 2 are for covering the two first bearings 3 and the two second bearings 6, the plurality of third fixing screws 19 are for fixing the two bearing glands 2, the half-split ring 8 is for fixing the first transition flange 7, the first transition flange 7 is for connecting the second transition flange 9, and the three second mounting pipes 14 are for connecting the inner pipe 10, to facilitate water circulation.

Specifically, referring to fig. 1, the upper end of the housing 4 is fixedly connected with a rotation stop catch 11.

In this embodiment, the upper end of the housing 4 is fixedly connected with a rotation stopping catch 11, and the rotation stopping catch 11 is convenient for the device to stop rotating.

Specifically, referring to fig. 1, a first mounting tube 12 is fixedly connected to the left end of the housing 4, and a second flange 16 is fixedly connected to the lower end of the first mounting tube 12.

In this embodiment, the left end fixedly connected with of casing 4 is first installation pipe 12, and the lower extreme fixedly connected with of first installation pipe 12 No. two ring flanges 16, first installation pipe 12 are for the convenience of intaking, and No. two ring flanges 16 are for the convenience of connecting the water pipe.

Specifically, referring to fig. 1, the lower end of the housing 4 is fixedly connected with a connecting pipe, and the lower end of the connecting pipe is fixedly connected with a first flange 15.

In this embodiment, the connection pipe is for connecting the first flange 15, and the first flange 15 is for connecting the water pipe.

Specifically, referring to fig. 1, a connecting member 20 is fixedly connected to the surface of the first mounting tube 12, and the connecting member 20 is fixedly connected to the left end of the housing 4 through a plurality of second fixing screws 18.

In this embodiment, the connecting member 20 is adapted to cooperate with the second set screw 18, and the second set screw 18 is adapted to improve the stability of the first mounting tube 12.

Specifically, referring to fig. 1, the first transition flange 7 is fixedly connected to the left end of the second transition flange 9 by a plurality of first fixing screws 17.

In this embodiment, the plurality of first fixing screws 17 are for improving the stability of the first transition flange 7.

The working principle is as follows: the rotary joint adopts balanced sealing, is connected through a large transition flange at the end part, designs a channel sealing piece between the joint and the transition flange, can rotate an intermediate part, and takes an O-shaped ring as a rotary sealing piece; the overall design is small and exquisite, and the medium is conveyed to a large rotating device through the transition flange. The equipment in the mill after each part of joint preparation, on-the-spot integrated erection, it is simple, and is rapid, it is sealed reliable, the upper end fixedly connected with of casing 4 splines 11, it is for the convenience of this device stall to spline 11, the left end fixedly connected with of casing 4 installs pipe 12 first, the lower extreme fixedly connected with of first installation pipe 12 No. two ring flanges 16, first installation pipe 12 is for the convenience of intaking, No. two ring flanges 16 are for the convenience of connecting the water pipe, the connecting pipe is for the convenience of connecting No. one ring flange 15, No. one ring flange 15 is for the convenience of connecting the water pipe, connecting piece 20 is for the convenience of mutually supporting with second set screw 18, second set screw 18 is for the convenience of improving the stability of first installation pipe 12, a plurality of first set screw 17 are for the convenience of improving the stability of first transition flange 7.

The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention.

Claims (6)

1. Big latus rectum is rotary joint for water, including casing (4), its characterized in that: the inner fixed connection of casing (4) has outer tube (1), fixedly connected with inner tube (10) in outer tube (1), fixedly connected with a plurality of sealing washer (13) between inner tube (10) and outer tube (1), the left inner wall fixedly connected with two second bearing (6) of casing (4), the right inner wall fixedly connected with two first bearing (3) of casing (4), two first bearing (3) and two second bearing (6) all install for-axle retaining ring (5), the left and right both ends of casing (4) all fixedly connected with two bearing gland (2), two bearing gland (2) respectively through a plurality of third set screw (19) fixed connection in the left and right both ends of casing (4), the fixed surface of casing (4) is connected with half-divide ring (8), the fixed surface of half-divide ring (8) is connected with first transition flange (7), the right-hand member fixedly connected with second transition flange (9) of casing (4), fixedly connected with three second installation pipe (14) in second transition flange (9), three second installation pipe (14) all are linked together with inner tube (10).

2. The large-bore rotary joint for water according to claim 1, characterized in that: the upper end of the shell (4) is fixedly connected with a rotation stopping claw (11).

3. The large-bore rotary joint for water according to claim 2, characterized in that: the left end fixedly connected with of casing (4) first installation pipe (12), the lower extreme fixedly connected with ring flange No. two (16) of first installation pipe (12).

4. The large-bore rotary joint for water according to claim 3, wherein: the lower extreme fixedly connected with connecting pipe of casing (4), the lower extreme fixedly connected with ring flange (15) No. one of connecting pipe.

5. The large-bore rotary joint for water according to claim 4, wherein: the surface of the first installation pipe (12) is fixedly connected with a connecting piece (20), and the connecting piece (20) is fixedly connected to the left end of the shell (4) through a plurality of second fixing screws (18).

6. The large-bore rotary joint for water according to claim 5, wherein: the first transition flange (7) is fixedly connected to the left end of the second transition flange (9) through a plurality of first fixing screws (17).

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