CN218992446U

CN218992446U - Two-position switching valve

Info

Publication number: CN218992446U
Application number: CN202222965853.1U
Authority: CN
Inventors: 李纪锦
Original assignee: Shanghai Runnuan Intelligent Technology Co ltd
Current assignee: Shanghai Runnuan Intelligent Technology Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-05-09
Anticipated expiration: 2032-11-07

Abstract

The utility model relates to a two-position switching valve, which comprises a main valve body and an auxiliary valve body, wherein the inner peripheral wall of the auxiliary valve body is provided with a control mechanism for improving the practicability of the switching valve, one side, opposite to the main valve body, of the auxiliary valve body is provided with a maintenance mechanism for facilitating maintenance and use, the control mechanism comprises a switching plate fixed on the inner peripheral wall of the auxiliary valve body, the left side of the switching plate is provided with a reversing hole, the inner peripheral wall of the reversing hole is provided with a stop groove, and the inner walls of the left side and the right side of the stop groove are connected with the stop plate in a sliding manner. This two-position switching valve through having set up control mechanism, through mutually supporting between switching plate, reversing hole, stop groove, stop plate, through-hole and magnetism suction plate and the electromagnetic block etc. can utilize electromagnetic attraction to control different stop plates and remove when the switching valve carries out two-position multipass switching, and then realize the use that the switching-over was switched over, reduced the volume of switching valve, conveniently used and improved the practicality in more environment.

Description

Two-position switching valve

Technical Field

The utility model relates to the technical field of switching valves, in particular to a two-position switching valve.

Background

The two-position reversing valve means that the valve core works in two states, the valve core moves to one position when the coil is not electrified, the valve core moves to the other position when the coil is electrified, the conducting state of the valve is switched through the change of the position, and the valve is usually used for switching the use of liquid, gas and the like of different media or changing the use of the direction when the fluid is conveyed.

The two-position switching valve is divided into various types and specifications such as two-position two-way, two-position three-way, two-position five-way and the like according to the use requirement, the corresponding loudness of the switching valve is required to be classified in the use of the switching valve, the faster the corresponding speed is, the more scene applications can be adapted, the existing two-position switching valve is as disclosed in Chinese patent publication (CN 203239943U), and the two-position two-way switching valve comprises a valve body, wherein a baffle is arranged in an inner cavity of the valve body, and a valve seat is fixedly arranged at the position, corresponding to a valve port, of the upper end surface of the baffle; the cylinder is installed at the valve body top, and the push rod of cylinder stretches into in the valve body inner chamber, the fixed valve plate that is provided with of push rod tip and disk seat matched with adopts plane sealing technique in this patent, by straight-run cylinder drive, simple structure, moving part is few, the valve plate adopts hard contact, soft seal, no relative friction with the sealing washer, but there is the lower problem of practicality in this patent, adopt the cylinder to promote the valve plate in this patent, and the volume of cylinder is great still need connect corresponding trachea etc. to require corresponding actuating device simultaneously higher to the installation environment requirement, and then influence the accommodation of switching valve.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the two-position switching valve which has the advantages of high practicability and the like, and solves the problem of low practicability of the existing two-position switching valve.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the two-position switching valve comprises a main valve body and an auxiliary valve body, wherein the inner peripheral wall of the auxiliary valve body is provided with a control mechanism for improving the practicability of the switching valve, and one side, opposite to the main valve body, of the auxiliary valve body is provided with a maintenance mechanism for facilitating maintenance and use;

the control mechanism comprises a switching plate fixed on the inner peripheral wall of the auxiliary valve body, a reversing hole is formed in the left side of the switching plate, a stop groove is formed in the inner peripheral wall of the reversing hole, a stop plate is connected between the inner walls of the left side and the right side of the stop groove in a sliding mode, a through hole is formed in the left side of the stop plate, a magnetic suction plate is fixed on the upper surface of the stop plate, a connecting cover is fixed on the upper surface of the auxiliary valve body, an electromagnetic block is fixed on the inner top wall of the connecting cover, and a controller is fixed on the left side of the connecting cover.

Further, the outer diameter of the switching plate is equal to the inner diameter of the auxiliary valve body, the number of the reversing holes is not less than two, and the reversing holes are uniformly distributed on the left side of the switching plate.

Further, the number of the electromagnetic blocks is equal to that of the reversing holes, and sealing gaskets are fixed on the inner walls of the four sides of the stop groove.

Further, the inner diameter of the through hole is equal to the inner diameter of the reversing hole, and the length of the stop plate is smaller than the depth of the stop groove.

Further, the maintenance mechanism comprises clamping grooves formed in one side of the main valve body opposite to the auxiliary valve body, connecting grooves are formed in the inner bottom walls of the two clamping grooves, sealing rings are clamped between the inner walls of one side opposite to the clamping grooves, connecting rings are fixed between the inner peripheral walls of the sealing rings and the inner walls of one side opposite to the two connecting grooves, sealing rings are fixed on the inner peripheral walls of the connecting rings, and fixing rings are fixed on the outer surfaces of the main valve body and the auxiliary valve body.

Further, the width of the connecting ring is smaller than that of the sealing ring, and the width of the sealing ring is equal to that of the sealing ring.

Further, fixing holes are formed in one side, opposite to the fixing rings, of each fixing ring, and fixing bolts are connected with the inner peripheral wall of each fixing hole in a threaded mode.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this two-position switching valve through having set up control mechanism, through mutually supporting between switching plate, reversing hole, stop groove, stop plate, through-hole and magnetism suction plate and the electromagnetic block etc. can utilize electromagnetic attraction to control different stop plates and remove when the switching valve carries out two-position multipass switching, and then realize the use that the switching-over was switched over, reduced the volume of switching valve, conveniently used and improved the practicality in more environment.

2. This two-position switching valve through having set up maintenance mechanism, through the mutual cooperation between spread groove, joint groove, sealing ring, go-between, sealing washer and solid fixed ring and the fixing bolt etc. can conveniently carry out the separation between main valve body and the vice valve body at switching valve later stage of use to maintain the use in the switching valve inside, sealing ring and sealing washer can improve sealed effect simultaneously and avoid the medium to leak and use.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a control mechanism according to the present utility model;

FIG. 3 is a front view of the control mechanism of the present utility model;

FIG. 4 is a schematic diagram of an accessory mechanism of the present utility model.

In the figure: the valve comprises a main valve body 1, an auxiliary valve body 2, a control mechanism 3, a switching plate 301, a reversing hole 302, a blocking groove 303, a blocking plate 304, a through hole 305, a magnetic attraction plate 306, a connecting cover 307, an electromagnetic block 308, a controller 309, a maintenance mechanism 4, a clamping groove 401, a connecting groove 402, a sealing ring 403, a connecting ring 404, a sealing ring 405 and a fixing ring 406.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, a two-position switching valve in the present embodiment includes a main valve body 1 and an auxiliary valve body 2, wherein a control mechanism 3 for improving the practicality of the switching valve is disposed on the inner peripheral wall of the auxiliary valve body 2, and a maintenance mechanism 4 for facilitating maintenance is disposed on the opposite side of the main valve body 1 and the auxiliary valve body 2.

Referring to fig. 2-3, in order to quickly switch the two-position switching valve, the control mechanism 3 in this embodiment includes a switching plate 301 fixed on the inner peripheral wall of the auxiliary valve body 2, a reversing hole 302 is formed on the left side of the switching plate 301, a cut-off slot 303 is formed on the inner peripheral wall of the reversing hole 302, a cut-off plate 304 is slidably connected between the inner walls of the left and right sides of the cut-off slot 303, a through hole 305 is formed on the left side of the cut-off plate 304, a magnetic attraction plate 306 is fixed on the upper surface of the cut-off plate 304, and due to the fact that the electromagnetic attraction force is large and the volume of the switching valve is small, the magnetic attraction plate 306 can be attracted upwards by utilizing the electromagnetic attraction force until the magnetic attraction plate 306 is directly attracted with the electromagnetic block 308, a connecting cover 307 is fixed on the upper surface of the auxiliary valve body 2, an electromagnetic block 308 is fixed on the inner top wall of the connecting cover 307, a controller 309 is fixed on the left side of the connecting cover 307, and a user performs external power supply to the controller 309.

In this embodiment, the outer diameter of the switching plate 301 is equal to the inner diameter of the auxiliary valve body 2, the number of the reversing holes 302 is not less than two, and the two reversing holes 302 are uniformly distributed on the left side of the switching plate 301, the number of the electromagnetic blocks 308 is equal to the number of the reversing holes 302, sealing gaskets are fixed on the four side inner walls of the blocking groove 303, the inner diameter of the through hole 305 is equal to the inner diameter of the reversing hole 302, the length of the blocking plate 304 is smaller than the depth of the blocking groove 303, the magnetic suction plate 306 drives the blocking plate 304 to move in the blocking groove 303, the through hole 305 coincides with the reversing hole 302 during suction, and then a medium can directly pass through the reversing hole, and when the electromagnetic suction force is not used, the controller 309 blocks the reversing hole 302 by self gravity of the blocking plate 306 after the electromagnetic suction force is lost.

Referring to fig. 4, in order to facilitate maintenance and use of the reversing valve in the later stage, the maintenance mechanism 4 in this embodiment includes a clamping groove 401 formed between opposite sides of the main valve body 1 and the auxiliary valve body 2, connecting grooves 402 are formed in inner bottom walls of the two clamping grooves 401, a sealing ring 403 is clamped between inner walls of opposite sides of the two clamping grooves 401, a connecting ring 404 is fixed between inner peripheral walls of the sealing ring 403 and inner walls of opposite sides of the two connecting grooves 402, a sealing ring 405 is fixed on an inner peripheral wall of the connecting ring 404, after tightening, the sealing ring 403 and the sealing ring 405 can fill gaps to improve sealing, medium leakage in the valve body is avoided, fixing rings 406 are fixed on outer surfaces of the main valve body 1 and the auxiliary valve body 2, the sealing ring 403 and the connecting ring 404 are respectively clamped into the inner parts of the clamping grooves 401 and the connecting grooves 402 during installation, and then the two fixing rings 406 are aligned, and fixing bolts are tightened and fixed.

In this embodiment, the width of the connecting ring 404 is smaller than the width of the sealing ring 403, the width of the sealing ring 405 is equal to the width of the sealing ring 403, the opposite sides of the two fixing rings 406 are provided with fixing holes, the inner peripheral wall of each fixing hole is connected with a fixing bolt in a threaded manner, and when the switching valve is in maintenance time and fails, a user pulls the main valve body 1 and the auxiliary valve body 2 to two sides by screwing the fixing bolts out of the fixing holes on the fixing rings 406, and then the main valve body and the auxiliary valve body are separated for maintenance.

The working principle of the embodiment is as follows:

(1) When the two-position switching valve is used for quick switching, the switching valve is firstly installed on a pipeline to be used, and is connected and fixed in the reversing hole 302 by adopting a connecting pipe, when the two-position switching valve is used for switching, a user performs external power supply on the controller 309, meanwhile, the electromagnetic block 308 is electrically connected with the controller 309 through a wire, the controller 309 controls the coil in a certain electromagnetic block 308 to be electrified, so that the electromagnetic block 308 generates electromagnetic suction, the magnetic suction plate 306 can be attracted by utilizing the electromagnetic suction to move upwards until the magnetic suction plate 306 is directly attracted with the electromagnetic block 308, the magnetic suction plate 306 drives the blocking plate 304 to move in the blocking groove 303, the through hole 305 is overlapped with the reversing hole 302 during the attraction, and then a medium can directly pass through the reversing hole, when the two-position switching valve is not used, the electromagnetic block 308 is powered off through a wire, and after the electromagnetic suction is lost, the blocking plate 304 drives the magnetic suction plate 306 to drop down through self gravity to block the reversing hole 302, so that the blocking is realized.

(2) When the switching valve is convenient to maintain and use in the later period, firstly, the switching valve is mounted on a pipeline to be used, the switching valve is connected and fixed in the reversing hole 302 by adopting a connecting pipe, the switching valve can be controlled to be used in a multi-way switching mode by utilizing the control mechanism 3, when the switching valve is in maintenance time and fails, a user pulls the main valve body 1 and the auxiliary valve body 2 to two sides after screwing out the fixing bolts from the fixing holes on the fixing rings 406, the main valve body and the auxiliary valve body can be separated to carry out maintenance, the sealing rings 403 and the connecting rings 404 are respectively clamped into the inside of the clamping grooves 401 and the inside of the connecting grooves 402 during mounting, then the two fixing rings 406 are aligned, the fixing bolts are screwed and fixed, and meanwhile, after the switching valve is screwed, the sealing rings 403 and the sealing rings 405 can fill gaps to improve sealing, and medium leakage in the valve bodies is avoided.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides a two-position switching valve, includes main valve body (1) and vice valve body (2), its characterized in that: the inner peripheral wall of the auxiliary valve body (2) is provided with a control mechanism (3) for improving the practicability of the switching valve, and one side of the main valve body (1) opposite to the auxiliary valve body (2) is provided with a maintenance mechanism (4) for facilitating maintenance and use;

the control mechanism (3) comprises a switching plate (301) fixed on the inner peripheral wall of the auxiliary valve body (2), a reversing hole (302) is formed in the left side of the switching plate (301), a stop groove (303) is formed in the inner peripheral wall of the reversing hole (302), a stop plate (304) is connected between the inner walls of the left side and the right side of the stop groove (303) in a sliding mode, a through hole (305) is formed in the left side of the stop plate (304), a magnetic attraction plate (306) is fixed on the upper surface of the stop plate (304), a connecting cover (307) is fixed on the upper surface of the auxiliary valve body (2), an electromagnetic block (308) is fixed on the inner top wall of the connecting cover (307), and a controller (309) is fixed on the left side of the connecting cover (307).

2. A two-position switching valve as set forth in claim 1 wherein: the outer diameter of the switching plate (301) is equal to the inner diameter of the auxiliary valve body (2), the number of the reversing holes (302) is not less than two, and the reversing holes are uniformly distributed on the left side of the switching plate (301).

3. A two-position switching valve as set forth in claim 1 wherein: the number of the electromagnetic blocks (308) is equal to that of the reversing holes (302), and sealing gaskets are fixed on the inner walls of the four sides of the stop groove (303).

4. A two-position switching valve as set forth in claim 1 wherein: the inner diameter of the through hole (305) is equal to the inner diameter of the reversing hole (302), and the length of the stop plate (304) is smaller than the depth of the stop groove (303).

5. A two-position switching valve as set forth in claim 1 wherein: the maintenance mechanism (4) comprises clamping grooves (401) formed in one side, opposite to the main valve body (1) and the auxiliary valve body (2), of each clamping groove, connecting grooves (402) are formed in the inner bottom wall of each clamping groove (401), sealing rings (403) are clamped between the inner walls of one side, opposite to the clamping grooves (401), of each clamping groove, connecting rings (404) are fixed between the inner peripheral walls of the sealing rings (403) and the inner walls of one side, opposite to the connecting grooves (402), sealing rings (405) are fixed on the inner peripheral walls of the connecting rings (404), and fixing rings (406) are fixed on the outer surfaces of the main valve body (1) and the auxiliary valve body (2).

6. A two-position switching valve as set forth in claim 5 wherein: the width of the connecting ring (404) is smaller than that of the sealing ring (403), and the width of the sealing ring (405) is equal to that of the sealing ring (403).

7. A two-position switching valve as set forth in claim 5 wherein: and fixing holes are formed in one side, opposite to the fixing rings (406), of each fixing ring, and fixing bolts are connected with the inner peripheral wall of each fixing hole in a threaded manner.