CN213064735U

CN213064735U - Novel switching valve

Info

Publication number: CN213064735U
Application number: CN202021745406.XU
Authority: CN
Inventors: 石政佳
Original assignee: Zhangzhou Jinghong Intelligent Technology Co ltd
Current assignee: Zhangzhou Jinghong Intelligent Equipment Co.,Ltd.
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-04-27
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses a novel switching valve, which comprises a body and a valve core coaxially arranged, and also comprises a ceramic stator and a ceramic rotor; the ceramic rotor is connected with the valve core through a pin; the ceramic stator is connected with the body through a pin; and the ceramic stator and the ceramic rotor are connected in a sealing way. The utility model discloses it is retrencied to have the structure, operation convenient to use, long service life, can rotate each other between ceramic stator and the ceramic rotor and still guarantee the leakproofness up to 1000000 times, favourable and using widely.

Description

Novel switching valve

Technical Field

The utility model relates to a diverter valve technical field, in particular to novel diverter valve.

Background

The valve adopted by the traditional switching valve is made of metal engineering plastic serving as a sealing valve, and the engineering plastic valve cannot meet the requirements of severe working conditions such as high abrasion, strong corrosion and the like, and mainly reflects the conditions that the engineering plastic is easy to leak after running for a certain time and the sealing surface is not corrosion-resistant; resulting in leakage damage of the valve, reducing the service life of the valve and affecting production.

Disclosure of Invention

The utility model provides a convenient operation's novel diverter valve to solve the above-mentioned technical problem of current.

In order to solve the technical problem, the utility model provides a following technical scheme: a novel switching valve comprises a body and a valve core which is coaxially arranged, and further comprises a ceramic stator and a ceramic rotor; the ceramic rotor is connected with the valve core through a pin; the ceramic stator is connected with the body through a pin; and the ceramic stator and the ceramic rotor are connected in a sealing way.

Furthermore, a layer of coating is arranged on each of the ceramic stator and the ceramic rotor.

Furthermore, a through hole is formed in the ceramic stator; at least two switching holes are arrayed on the peripheral side of the through hole.

Furthermore, a long-strip-shaped groove is formed in the ceramic rotor; and positioning lugs are arranged on the peripheral side of the ceramic rotor in an array mode.

Furthermore, the novel switching valve also comprises a first driving source, an end face bearing, a bearing seat and a bearing; the first driving source, the end face bearing, the bearing seat and the bearing are coaxially arranged and are all arranged on the inner side of the body.

Further, the first driving source is an array arrangement spring plate.

Further, the body comprises a base and an upper cover, the base is connected with the upper cover through a fastener, and the circumferential array of the surface of the upper cover is provided with through flow channels.

Compared with the prior art, the utility model has the advantages of it is following: when the utility model works, the bearing seat, the bearing, the end face bearing and the first driving source are sequentially coaxially sleeved into the body, then the valve core is inserted into the body and sequentially passes through the first driving source, the end face bearing, the bearing and the bearing seat, the end part of the valve core extends out of the body, and the first driving source props against the left side edge of the valve core; then fixing the ceramic rotor on the right side surface of the valve core; then fixedly connecting the ceramic stator with the body, enabling the left side surface of the ceramic stator to be attached to the right side surface of the ceramic rotor, fixedly connecting the upper cover with the base, and enabling the first driving source to push the ceramic rotor upwards so that the ceramic rotor is attached to the ceramic stator to complete the assembly of the reversing valve; the ceramic stator and the ceramic rotor are made of ceramics, and the ceramic stator and the ceramic rotor are respectively provided with a layer of coating so as to ensure the smooth rotation of the contact surface of the ceramic stator and the ceramic rotor; the utility model discloses it is retrencied to have the structure, operation convenient to use, long service life, can rotate each other between ceramic stator and the ceramic rotor and still guarantee the leakproofness up to 1000000 times, favourable and using widely.

Drawings

Fig. 1 is a sectional view of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is a schematic structural view of the ceramic rotor of the present invention;

fig. 5 is a schematic view of the ceramic stator structure of the present invention.

Description of the labeling: a body 1; a valve core 2; a ceramic stator 3; a ceramic rotor 4; an upper cover 5; a first drive source 6; an end face bearing 7; a bearing seat 8; a bearing 9; a base 10; a through hole 31; a switching hole 32; an elongated groove 41; a positioning lug 42; a flow passage 51; an input aperture 52.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 5: a novel switching valve comprises a body 1, a valve core 2 which is movably arranged on the body 1 and is coaxially arranged with the body 1, and a ceramic stator 3 and a ceramic rotor 4 which are used for constructing an airflow switching channel. Wherein: the ceramic rotor 4 is connected with the valve core 2 through a pin; the ceramic stator 3 is connected with the body 1 through a pin; the ceramic stator 3 and the ceramic rotor 4 are connected in a sealing way.

On the basis of the embodiment, the ceramic stator 3 and the ceramic rotor 4 are respectively provided with a layer of coating so as to ensure smooth rotation of the contact surface of the ceramic stator 3 and the ceramic rotor 4, realize switching of different flow paths, improve the sealing performance, improve the use times of back-and-forth rotation switching, and improve the rigidity, so that the ceramic stator 3 and the ceramic rotor 4 are close to the diamond hardness, the service life of the ceramic stator 3 and the ceramic rotor 4 can be greatly prolonged, the ceramic stator 3 and the ceramic rotor 4 can rotate mutually for up to 1000000 times, and no leakage occurs; the ceramic stator 3 is provided with a through hole 31 for communicating external air flow or liquid; at least 2 switching holes 32 are arrayed on the peripheral side of the through hole 31, and the number of the switching holes 32 is 12 in the embodiment. And are uniformly and respectively around the through holes 31; the ceramic rotor 4 is provided with a strip-shaped groove 41, so that the adjacent through holes 31 and the switching holes 32 are communicated to form a passage; the periphery of the ceramic rotor 4 is provided with positioning lugs 42 in an array mode, and the positioning lugs are used for being conveniently positioned during assembly. Specifically, when the ceramic rotor switching device is used, the ceramic rotor 4 is rotated to enable the elongated groove 41 in the ceramic rotor 4 to rotate along the axis of the ceramic rotor 4, the elongated groove 41 is communicated with the through hole 31, the other end of the elongated groove 41 is communicated with the switching hole 32 through rotation, and therefore the gas/liquid passage is communicated.

On the basis of the above embodiment, the novel switching valve further comprises a first driving source 6, an end face bearing 7, a bearing seat 8 and a bearing 9; the first driving source 6 is used for providing pressure to ensure that the ceramic stator 3 and the ceramic rotor 4 are always in a sealed and compressed state, the end face bearing 7 and the bearing 9 are used for providing rotation for the rotation of the valve core 2 to ensure that the switching can be performed quickly during the switching, the bearing seat 8 is used for providing support for the installation of the bearing 9, and the first driving source 6, the end face bearing 7, the bearing seat 8 and the bearing 9 are coaxially arranged and are all arranged on the inner side of the body 1; the first driving source 6 is an array arrangement spring sheet; the bearing seat 8, the bearing 9, the end face bearing 7 and the first driving source 6 are coaxially arranged inside the body 1 from left to right in sequence, the valve core 2 is inserted into the body 1 and sequentially penetrates through the first driving source 6, the end face bearing 7, the bearing 9 and the bearing seat 8, the end part of the valve core 2 extends to the outside of the body 1, and the first driving source 6 props against the left side edge of the valve core 2; the right side surface of the valve core 2 is provided with a ceramic rotor 4; the ceramic rotor 4 is rotated by rotating the valve element 2 via a rotating member (not shown).

On the basis of the above embodiment, the body 1 includes a base 10 and an upper cover 5, the base 10 and the upper cover 5 are connected by a fastener, an input hole 52 is provided in the middle of the upper cover 5, and through flow channels 51 are provided on the surface of the upper cover 5 in a circumferential array; the external air flow or liquid is firstly connected to the input hole 52, and the input hole 52 is communicated with the through hole 31; when in use, the flow passage 51 is communicated with the switching hole 32 through the elongated groove 41; and the base 10 is provided with an accommodating cavity for accommodating the first driving source 6, the end face bearing 7, the bearing seat 8, the bearing 9, the ceramic stator 3 and the ceramic rotor 4.

The utility model discloses an application principle: during assembly, the bearing seat 8, the bearing 9, the end face bearing 7 and the first driving source 6 are sequentially and coaxially sleeved into the body 1, the valve core 2 is inserted into the body 1 and sequentially penetrates through the first driving source 6, the end face bearing 7, the bearing 9 and the bearing seat 8, the end part of the valve core 2 extends to the outside of the body 1, and the first driving source 6 props against the left side edge of the valve core 2; then fixing the ceramic rotor 4 on the right side surface of the valve core 2; then fixedly connecting the ceramic stator 3 with the upper cover 5, enabling the left side face of the ceramic stator 3 to be attached to the right side face of the ceramic rotor 4, fixedly connecting the upper cover 5 with the base 10, and enabling the first driving source 6 to push the ceramic rotor 4 upwards so that the ceramic rotor 4 is attached to the ceramic stator 3, and completing assembly of the reversing valve; when the flow path switching valve is used, the ceramic rotor 4 is driven to rotate by rotating the valve core 2, the contact positions of the elongated groove 41, the through hole 31 and the switching hole 32 can be switched, and the flow path switching operation is completed.

It should be finally noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, it should be understood by those skilled in the art that after reading the present specification, the technical personnel can still modify or equivalently replace the specific embodiments of the present invention, but these modifications or changes do not depart from the scope of the claims of the present application.

Claims

1. A novel switching valve comprises a body (1) and a valve core (2) which is coaxially arranged, and is characterized by also comprising a ceramic stator (3) and a ceramic rotor (4); the ceramic rotor (4) is connected with the valve core (2) through a pin; the ceramic stator (3) is connected with the body (1) through a pin; the ceramic stator (3) and the ceramic rotor (4) are connected in a sealing mode.

2. A new switching valve according to claim 1, characterised in that both the ceramic stator (3) and the ceramic rotor (4) are provided with a coating.

3. A new switching valve according to claim 2, characterized in that said ceramic stator (3) is provided with a through hole (31) therethrough; at least two switching holes (32) are arrayed on the peripheral side of the through hole (31).

4. A new switching valve according to claim 2, characterised in that said ceramic rotor (4) is provided with an elongated groove (41); the periphery of the ceramic rotor (4) is provided with positioning lugs (42) in an array mode.

5. The new switching valve according to claim 2, characterized in that it further comprises a first drive source (6), an end face bearing (7), a bearing block (8) and a bearing (9); the first driving source (6), the end face bearing (7), the bearing seat (8) and the bearing (9) are coaxially arranged and are all arranged on the inner side of the body (1).

6. A novel switching valve according to claim 5, characterized in that the first drive source (6) is an array of spring strips.

7. The novel switching valve according to claim 1, characterized in that the body (1) comprises a base (10) and an upper cover (5), the base (10) and the upper cover (5) are connected through a fastener, and the circumferential array of the surface of the upper cover (5) is provided with through flow passages (51).