CN218564674U

CN218564674U - Rotary water inlet assembly

Info

Publication number: CN218564674U
Application number: CN202222531644.6U
Authority: CN
Inventors: 徐丰国; 骆桂斌; 刘凯; 生海; 李博; 宋涛; 张策; 张艳玲; 张贵朋; 宋恭亮
Original assignee: Wafangdian Bearing Group National Bearing Engineering Technology Research Center Co Ltd
Current assignee: Wafangdian Bearing Group National Bearing Engineering Technology Research Center Co Ltd
Priority date: 2022-09-24
Filing date: 2022-09-24
Publication date: 2023-03-03
Anticipated expiration: 2032-09-24

Abstract

The utility model relates to a rotatory assembly of intaking, including changeing core, rotatable seal cup joint in change core one and serve overcoat and detachable connect in on the outer terminal surface of overcoat and with change the gland of core butt joint, change the coaxial first passageway of having seted up of core, the gland coaxial set up with the second passageway of first passageway intercommunication, the first installation cavity of the outer end of overcoat with be provided with the sealing washer between the core outer end. The sealing structure is simple in structure, good in sealing performance, strong in universality and long in service life.

Description

Rotary water inlet assembly

Technical Field

The utility model relates to a rotary joint technical field especially relates to a rotatory assembly of intaking.

Background

The existing rotary joint for the grinding machine spindle water inlet pipe has poor sealing performance and short service life.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a be applicable to low, the rotatory assembly of intaking of middling pressure, its sealing performance is good, long service life.

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

the utility model provides a rotatory assembly of intaking, including changeing core, rotatable seal cup joint in change core one and serve overcoat and detachable connect in on the outer terminal surface of overcoat and with the gland of changeing the core butt joint, change the coaxial first passageway of having seted up of core, the gland coaxial set up with the second passageway of first passageway intercommunication, the first installation cavity of the outer end of overcoat with be provided with the sealing washer between the core outer end of changeing.

Further, a bearing is arranged between a second installation cavity at one end, far away from the gland, of the outer sleeve and the rotating core.

Further, the bearings are two rows of ball bearings arranged in parallel.

Further, an annular flange is arranged between the first installation cavity and the second installation cavity, the sealing ring comprises an outer ring, an inner ring and a middle ring located between the outer ring and the outer end of the inner ring, the outer circumferential surface of the outer ring of the sealing ring abuts against the inner circumferential wall of the first installation cavity, the inner end face of the outer ring of the sealing ring abuts against the inner end side of the gland, the outer end side face of the middle ring of the sealing ring abuts against the annular flange correspondingly, and the inner ring abuts against the outer circumferential surface of the rotary core and is in sliding seal with the rotary core.

Furthermore, a first limiting spring clamp is arranged between the end face of the inner ring of one row of bearings close to the gland in the two rows of bearings and the rotating core, and a second limiting spring clamp is arranged between the outer ring of one row of bearings far away from the gland in the two rows of bearings and the outer sleeve.

Furthermore, the gland is detachably connected to the end face of the outer sleeve through a plurality of bolts, a sealing ring is laid at the seam allowance, and the bolts penetrate through holes in the gland flange plate and are screwed in threaded holes in the end face of the outer sleeve.

Furthermore, a flange is arranged in the middle of the inner end face of the gland, and the flange is inserted into a spigot on the end face of the rotary core in a clearance mode.

Further, the outer end of the gland is provided with an installation cavity communicated with the second channel.

Compared with the prior art, the utility model beneficial effect be:

the utility model provides a pair of rotatory assembly of intaking, including changeing core, rotatable seal cup joint in change one of the core serve overcoat and detachable connect in on the outer terminal surface of overcoat and with the gland of changeing the core butt joint, change the core coaxial first passageway of having seted up, the gland coaxial seted up with the second passageway of first passageway intercommunication, the first installation cavity of the outer end of overcoat with be provided with the sealing washer between the commentaries on classics core outer end. The sealing structure is simple in structure, good in sealing performance, strong in universality and long in service life.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

In the figure: 1. the rotary core comprises a 1.1 rotary core body, a first channel, a 2 rotary core casing, a 2.1 rotary core body, a first mounting cavity, a 2.2 rotary core body, a second mounting cavity, a 2.3 rotary core body, an annular flange, a 3 rotary core body, a gland, a 3.1 rotary core body, a second channel, a 4 rotary core body, a sealing ring, a 5 rotary core body, a bearing, a 6 rotary core body, a first limiting spring clamp, a 7 rotary core body, a second limiting spring clamp, a 8 rotary core body and a bolt.

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.

Example 1

As shown in fig. 1, a rotatory assembly of intaking, including changeing core 1, rotatable sealing cup joints in changeing core 1 one and serves overcoat 2 and detachable connect on the outer terminal surface of overcoat 2 and with the gland 3 that changes core 1 butt joint, change the coaxial first passageway 1.1 of having seted up of core 1, gland 3 is coaxial to be seted up with the second passageway 3.1 of first passageway 1.1 intercommunication, be provided with sealing washer 4 between the first installation cavity 2.1 of the outer end of overcoat 2 and the outer end of commentaries on classics core 1, sealing washer 4 respectively with gland 3, overcoat 2 and change core 1 sealing fit.

A bearing 5 is arranged between the second mounting cavity 2.2 and the rotating core at one end of the outer sleeve 2 far away from the gland 3. Specifically, the bearings 5 are two rows of ball bearings 5 arranged next to each other in parallel. When in use, the rotating core 1 rotates relative to the outer sleeve 2 through two rows of ball bearings 5.

An annular flange 2.3 is arranged between the first installation cavity 2.1 and the second installation cavity 2.2, the sealing ring 4 comprises an outer ring, an inner ring and a middle ring positioned between the outer ring and the outer end of the inner ring, the outer circumferential surface of the outer ring of the sealing ring 4 abuts against the inner circumferential wall of the first installation cavity 2.1, so that sealing fit between the sealing ring 4 and the outer sleeve 2 is realized, the inner end surface of the outer ring of the sealing ring 4 abuts against the inner end side of the gland 3, so that sealing fit between the sealing ring 4 and the gland 3 is realized, the outer end side surface of the middle ring of the sealing ring 4 abuts against the annular flange 2.3 correspondingly, and the inner ring abuts against the outer circumferential surface of the rotary core 1 and is in sliding seal with the rotary core 1. It should be noted that the provision of the annular flange 2.3 facilitates an increase in the sealing strength and sealing performance of the sealing ring 4.

In order to facilitate the axial positioning of the two rows of bearings 5, a first limiting spring clamp 6 is arranged between the end surface of the inner ring of one row of bearings 5 close to the gland 3 in the two rows of bearings 5 and the rotating core 1, and a second limiting spring clamp 7 is arranged between the outer ring of one row of bearings 5 far away from the gland 3 in the two rows of bearings 5 and the outer sleeve 2.

The gland 3 of this embodiment is connected on 2 terminal surfaces of overcoat and lays the sealing washer in tang department through a plurality of 8 detachable of bolts, and bolt 8 passes the through-hole screw thread on the 3 ring flanges of gland and connects in the screw hole on 2 terminal surfaces of overcoat soon. It should be noted that the gland 3 is connected to the outer sleeve 2 by bolts 8, which is convenient for disassembly and assembly.

The middle part of the inner end surface of the gland 3 of the embodiment is provided with a flange, and the flange is inserted in a spigot on the end surface of the rotary core 1 in a clearance way. The structure is reasonable, and the first channel 1.1 and the second channel 3.1 are convenient to communicate and seal.

The 3 outer ends of gland of this embodiment are provided with the installation cavity of intercommunication second passageway 3.1 for connect outside pipeline, easy to assemble.

Compared with the prior art, the embodiment has the beneficial effects that:

the rotary water inlet assembly of the embodiment realizes overall sealing by arranging the sealing ring 4 between the outer sleeve 2, the gland 3 and the rotary core 1, and has the advantages of simple structure, good sealing performance, strong universality and long service life.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 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.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

In the description of the present invention, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A rotatory assembly that intakes, its characterized in that: including changeing core, rotatable seal cup joint in change core one end overcoat and detachable connect in on the outer terminal surface of overcoat and with change the gland of core butt joint, change the coaxial first passageway of having seted up of core, the gland coaxial set up with the second passageway of first passageway intercommunication, the first installation cavity of the outer end of overcoat with be provided with the sealing washer between the core outer end.

2. A rotary water intake assembly according to claim 1, wherein: and a bearing is arranged between the second mounting cavity at one end of the outer sleeve, which is far away from the gland, and the rotating core.

3. A rotary water intake assembly according to claim 2, wherein: the bearings are two rows of ball bearings arranged in parallel.

4. A rotary water intake assembly according to claim 2, wherein: an annular flange is arranged between the first installation cavity and the second installation cavity, the sealing ring comprises an outer ring, an inner ring and a middle ring located between the outer ring and the outer end of the inner ring, the outer ring peripheral surface of the sealing ring abuts against the inner peripheral wall of the first installation cavity, the inner end surface of the outer ring of the sealing ring abuts against the inner end side of the gland, the outer end side surface of the middle ring of the sealing ring abuts against the annular flange correspondingly, and the inner ring abuts against the outer peripheral surface of the rotary core and is in sliding seal with the rotary core.

5. A rotary water intake assembly according to claim 2, wherein: a first limiting spring clamp is arranged between the end face of the inner ring of one row of bearings close to the gland in the two rows of bearings and the rotating core, and a second limiting spring clamp is arranged between the outer ring of one row of bearings far away from the gland in the two rows of bearings and the outer sleeve.

6. A rotary water intake assembly according to claim 1, wherein: the gland is detachably connected to the end face of the outer sleeve through a plurality of bolts, a sealing ring is laid at the seam allowance, and the bolts penetrate through-hole threads on the gland flange plate and are screwed in threaded holes in the end face of the outer sleeve.

7. A rotary water intake assembly according to claim 1, wherein: and a flange is arranged in the middle of the inner end face of the gland, and the flange is inserted into a spigot on the end face of the rotary core in a clearance manner.

8. A rotary water intake assembly according to any one of claims 1 to 7, wherein: and the outer end of the gland is provided with an installation cavity communicated with the second channel.