CN219013433U

CN219013433U - Automatic recirculation flow dividing valve

Info

Publication number: CN219013433U
Application number: CN202223589706.5U
Authority: CN
Inventors: 戴小名; 余承善
Original assignee: Jiangsu Datian Valve Manufacturing Co ltd
Current assignee: Jiangsu Datian Valve Manufacturing Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-12
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses an automatic recirculation flow dividing valve which comprises a flow dividing valve, a filtering assembly and a sealing assembly, wherein the filtering assembly comprises an opening end which is arranged at the upper end of a liquid inlet pipe in a penetrating way. According to the automatic recirculation flow dividing valve, the filter plate is arranged in the opening end of the liquid inlet pipe, liquid which is introduced into the flow dividing valve in the liquid inlet pipe can be filtered in the process of introducing, so that the problems that impurities in the liquid flow into the flow dividing valve through the liquid inlet pipe and are adhered to the inner wall of the flow dividing valve to affect the normal use of the flow dividing valve are solved, and the positioning ring arranged on the liquid inlet pipe at the lower side of the opening end is mainly used for positioning the mounting position of the thread bush at the outer side of the opening end and further matched with the sealing gasket in the positioning ring and the first sealing sleeve and the second sealing sleeve adhered between the upper end of the thread bush and the liquid inlet pipe, so that the sealing performance of connection between two sides and the liquid inlet pipe is ensured after the thread bush is mounted.

Description

Automatic recirculation flow dividing valve

Technical Field

The utility model relates to the technical field of valve elements, in particular to an automatic recirculation flow dividing valve.

Background

The flow dividing valve is also called a speed synchronizing valve, is a general name of a flow dividing valve, a flow collecting valve, a one-way flow dividing valve, a one-way flow collecting valve and a proportional flow dividing valve in a hydraulic valve, can realize the movement adjustment of an internal valve rod when the flow dividing valve is in use, and can realize the suction of liquid at a liquid inlet pipe.

The existing automatic recirculation diverter valve, such as the automatic recirculation diverter valve disclosed in the publication No. CN207584164U, although the advantage of preventing cavitation in the diverter valve effectively, is not provided with a filter component in the liquid inlet pipe at one side of the diverter valve, so that in the use of the diverter valve, the flowing liquid and impurities in the liquid are easy to adhere to the inner wall of the diverter valve after being conveyed to the diverter valve, and the long-time adhesion of the impurities will affect the normal use of the diverter valve.

Disclosure of Invention

The utility model mainly aims to provide an automatic recirculation flow dividing valve which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides an automatic recirculation flow divider, includes flow divider, filter unit and seal assembly, the flow divider still includes feed liquor pipe and the fluid-discharge tube of its upper end and both sides, filter unit includes that the feed liquor pipe upper end runs through the open end that sets up to and arrange fixed mounting's multiunit fixed column between the feed liquor pipe of the inside both sides of open end, the filter that the inside multiunit fixed column upper end of open end still movable mounting has disc structure, the multiunit and the interior fixed column assorted round hole of open end of seting up still being arranged to the filter upper end.

Preferably, the filter assembly further comprises a plurality of groups of springs movably sleeved on the upper ends of the plurality of groups of fixed columns at the upper part of the filter plate in the opening end.

Preferably, the filter assembly further comprises an external thread arranged outside the liquid inlet pipe at the lower end of the opening end, and a thread sleeve which is arranged at the upper end of the external thread in a threaded connection manner and is used for sealing the opening end.

Preferably, the sealing assembly comprises a positioning ring which is welded outside the liquid inlet pipe at the lower end of the external thread and used for positioning the installation position of the threaded sleeve installed at the outer end of the opening end, and the positioning ring is of a circular ring structure.

Preferably, the sealing assembly further comprises a groove of a circular ring structure penetrating through the positioning ring towards the thread sleeve end, and a sealing gasket which is installed in the groove in a matched mode and used for keeping sealing between the thread sleeve and the positioning ring.

Preferably, the sealing assembly further comprises a first sealing sleeve of a cylindrical structure stuck outside the liquid inlet pipe at the upper end of the external thread, and a second sealing sleeve stuck on the upper side of the inner wall of the thread sleeve and attached to the first sealing sleeve.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model provides an automatic recirculation flow divider, the filter of open end internally mounted in feed liquor pipe department, can carry out the filtration of letting in the in-process to the liquid that lets in the flow divider in the feed liquor pipe, thereby in order to avoid impurity in the liquid, flow into the inside of flow divider through the feed liquor pipe and glue in flow divider inner wall department, influence the problem that the flow divider normally used, the thread bush of installation outside the open end in feed liquor pipe middle part, the clearance of impurity after the filtration of open end inner filter upper end after mainly used dismantles, and the setting of thread bush, make the clearance of filter plate upper end impurity only need take off the thread bush, and need not to dismantle the pipeline that the feed liquor pipe is connected outward, and then have clearance convenience;

2. an automatic recirculation flow divider, the holding ring that sets up on the liquid inlet pipe is gone into to open end downside, mainly used fixes a position the mounted position of open end outside thread bush, and then cooperates sealed pad in the holding ring and thread bush upper end and the first seal cover and the second seal cover of pasting between the liquid inlet pipe, ensures the leakproofness of being connected between both sides and the liquid inlet pipe after the thread bush installation jointly.

Drawings

FIG. 1 is a schematic view of the overall structure of an automatic recirculation diverter valve according to the present utility model;

FIG. 2 is a disassembled view of a threaded sleeve at the upper end of a liquid inlet pipe of an automatic recycling diverter valve according to the present utility model;

fig. 3 is an enlarged view of a self-recirculating diverter valve of fig. 2 a in accordance with the present utility model.

Reference numerals:

100. a diverter valve; 110. a liquid inlet pipe; 120. a liquid discharge pipe;

200. a filter assembly; 210. an open end; 220. fixing the column; 230. a filter plate; 240. a round hole; 250. a spring; 260. an external thread; 270. a thread sleeve;

300. a seal assembly; 310. a positioning ring; 320. a groove; 330. a sealing gasket; 340. a first gland; 350. and a second sealing sleeve.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Embodiment one:

as shown in fig. 1-3, this embodiment provides an automatic recirculation diverter valve, including a diverter valve 100, a filter assembly 200 and a sealing assembly 300, the diverter valve 100 further includes a liquid inlet pipe 110 and a liquid outlet pipe 120 at the upper end and two sides thereof, the filter assembly 200 includes an open end 210 where the upper end of the liquid inlet pipe 110 is disposed through, a plurality of groups of fixed columns 220 fixedly arranged between the liquid inlet pipes 110 at two sides inside the open end 210, a filter plate 230 with a disc structure is movably arranged at the upper end of the plurality of groups of fixed columns 220 inside the open end 210, a plurality of groups of round holes 240 matched with the fixed columns 220 inside the open end 210 are arranged at the upper end of the filter plate 230, a plurality of groups of springs 250 movably sleeved at the upper end of the plurality of groups of fixed columns 220 inside the open end 210 are further included in the filter assembly 200, the filter assembly 200 further includes an external thread 260 disposed at the lower end of the liquid inlet pipe 110, and a thread sleeve 270 mounted at the upper end of the external thread 260 for sealing the open end 210.

Specifically, the diverter valve 100 is also called a speed synchronous valve, which is a generic name of a diverter valve, a collecting valve, a one-way diverter valve, a one-way collecting valve and a proportional diverter valve in a hydraulic valve, the diverter valve 100 is used, two sides of an inner valve rod can be moved and adjusted to realize the inflow of liquid at the position of the liquid inlet pipe 110, a plurality of groups of liquid discharge pipes 120 at the upper end of the diverter valve 100 are all provided with multi-directional pipelines at the outer end of the liquid discharge pipe 120, the diverter valve 100 also has the advantages of simple structure, low cost, automatic circulation, high reliability and the like, the diverter valve 100 is provided with a filter plate 230 internally mounted at the opening end 210 at one side of the liquid inlet pipe 110, the liquid in the liquid inlet pipe 110 can be filtered in the process, so as to avoid impurities in the liquid, the impurities in the liquid flow into the interior of the diverter valve 100 through the liquid inlet pipe 110 and be adhered to the inner wall of the diverter valve 100, the problem that the normal use of the diverter valve 100 is influenced after stacking, a threaded sleeve 270 is arranged at the outer side of the middle opening end 210 of the liquid inlet pipe 110, the filter plate 230 is mainly used for disassembling and the upper end 230 of the filter plate, the filter plate 230 is also arranged at the end 230 is fixedly arranged at the end of the filter plate, and the filter plate 230 is only needs to be fixedly arranged at the inner end of the filter sleeve, and the filter plate 230 is fixedly arranged at the end of the filter sleeve, and the filter sleeve is arranged at the end 220, and the end is conveniently and the inner end is fixedly arranged at the end of the filter sleeve 220.

Embodiment two:

on the basis of the first embodiment, as shown in fig. 3, the sealing assembly 300 includes a positioning ring 310 welded outside the liquid inlet pipe 110 at the lower end of the external thread 260 and used for positioning the installation position of the threaded sleeve 270 installed at the outer end of the open end 210, the positioning ring 310 has a circular ring structure, the sealing assembly 300 further includes a groove 320 of the circular ring structure penetrating the threaded sleeve 270 towards the end of the threaded sleeve 270 inside the positioning ring 310, and a sealing gasket 330 installed inside the groove 320 in a matched manner and used for maintaining the sealing between the threaded sleeve 270 and the positioning ring 310, and the sealing assembly 300 further includes a first sealing sleeve 340 of a cylindrical structure stuck outside the liquid inlet pipe 110 at the upper end of the external thread 260, and a second sealing sleeve 350 stuck on the upper side of the inner wall of the threaded sleeve 270 and attached to the first sealing sleeve 340.

Specifically, the positioning ring 310 disposed on the liquid inlet tube 110 below the open end 210 in the middle of the liquid inlet tube 110 is mainly used for positioning the installation position of the threaded sleeve 270 outside the open end 210, and further cooperates with the sealing gasket 330 in the positioning ring 310 and the first sealing sleeve 340 and the second sealing sleeve 350 adhered between the upper end of the threaded sleeve 270 and the liquid inlet tube 110, so as to jointly ensure the tightness of the connection between the two sides of the front end and the rear end and the liquid inlet tube 110 after the threaded sleeve 270 is installed, thereby avoiding the problem of water leakage caused by low tightness.

The working principle and the using flow of the utility model are as follows:

when the diverter valve 100 is used, liquid flows into the liquid inlet pipe 110 at one end of the diverter valve 100 and is conveyed to the inside of the liquid discharge pipe 120 at two sides of the diverter valve 100 in the diverter valve 100, when the liquid flows into the liquid inlet pipe 110, the filter plate 230 arranged at the upper end of the fixed column 220 in the middle opening end 210 of the liquid inlet pipe 110 filters the flowing liquid, so that impurities in the liquid are filtered and stored at the upper end of the filter plate 230, the impurities in the liquid are prevented from directly flowing into the diverter valve 100 and adhering to the inner wall of the diverter valve 100, normal use of the diverter valve 100 is influenced, when the impurities filtered at the upper end of the filter plate 230 are cleaned, the screw sleeve 270 outside the liquid inlet pipe 110 can be rotated, the screw sleeve 270 moves to the outside of the liquid inlet pipe 110 along the external screw thread 260 at the upper end of the liquid inlet pipe 110, after the screw sleeve 270 rotates to be separated from the external screw thread 260, the screw sleeve 270 is pulled outwards, so that the screw sleeve 270 is sleeved at the outer end of the liquid inlet pipe 110, at the moment, the opening end 210 at the upper end of the liquid inlet pipe 110 leaks out and penetrates through the opening end 210, impurities filtered outside the filter plate 230 can be cleaned, after the impurities filtered outside the filter plate 230 are cleaned, the screw sleeve 270 is screwed to the outer side of the positioning ring 310 at the upper end of the liquid inlet pipe 110 again, the screw sleeve 270 can be installed, after the screw sleeve 270 is installed, the front end of the screw sleeve 270 presses the sealing gasket 330 inside the positioning ring 310, the sealing between the front end of the screw sleeve 270 and the liquid inlet pipe 110 is kept, and the second sealing sleeve 350 inside the rear end of the screw sleeve 270 is also tightly attached to the upper end of the first sealing sleeve 340 outside the liquid inlet pipe 110, so that the sealing between the rear end of the screw sleeve 270 and the liquid inlet pipe 110 is ensured.

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 spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. The utility model provides an automatic recirculation flow divider, includes flow divider (100), filter subassembly (200) and seal assembly (300), flow divider (100) still include feed liquor pipe (110) and fluid-discharge tube (120) of its upper end and both sides, a serial communication port, filter subassembly (200) are including open end (210) that feed liquor pipe (110) upper end run through the setting to arrange fixed mounting's multiunit fixed column (220) between feed liquor pipe (110) of the inside both sides of open end (210), the filter (230) of disc structure are still movable mounting in the inside multiunit fixed column (220) upper end of open end (210), multiunit and fixed column (220) assorted round hole (240) in open end (210) are still arranged to filter (230) upper end.

2. The automatic recirculation diverter valve of claim 1, wherein the filter assembly (200) further comprises a plurality of sets of springs (250) movably sleeved on the upper ends of the plurality of sets of fixed posts (220) in the upper portion of the filter plate (230) in the open end (210).

3. The automatic recirculation diverter valve according to claim 1, wherein the filter assembly (200) further comprises external threads (260) disposed on the exterior of the feed tube (110) at the lower end of the open end (210), and a threaded sleeve (270) mounted on the upper end of the external threads (260) by threaded connection for sealing the open end (210).

4. The automatic recirculation diverter valve according to claim 1, wherein the seal assembly (300) comprises a retaining ring (310) welded to the exterior of the feed pipe (110) at the lower end of the external thread (260) for retaining the mounting position of the threaded sleeve (270) mounted to the exterior of the open end (210), and the retaining ring (310) is of annular configuration.

5. The automatic recirculation diverter valve according to claim 1, wherein the seal assembly (300) further comprises a groove (320) of circular configuration extending through the interior of the retaining ring (310) toward the end of the threaded sleeve (270), and a gasket (330) mounted in mating relationship within the groove (320) for maintaining a seal between the threaded sleeve (270) and the retaining ring (310).

6. The automatic recirculation diverter valve according to claim 1, wherein the sealing assembly (300) further comprises a first sealing sleeve (340) having a cylindrical structure and attached to the outside of the inlet pipe (110) at the upper end of the external thread (260), and a second sealing sleeve (350) attached to the upper side of the inner wall of the thread bush (270) and attached to the first sealing sleeve (340).