CN214946462U

CN214946462U - L-shaped water filling valve

Info

Publication number: CN214946462U
Application number: CN202121035135.3U
Authority: CN
Inventors: 潘立兴; 张万军
Original assignee: Gu'an Xingguang Wote High Pressure Water Equipment Co ltd
Current assignee: Gu'an Xingguang Wote High Pressure Water Equipment Co ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2021-11-30
Anticipated expiration: 2031-05-14

Abstract

The utility model discloses a L type water filling valve, including water filling valve main part unit, flange filter unit and two check valve units, water filling valve main part unit comprises cylinder, main flange, valve rod subassembly, first spring, first round flange, valve seat subassembly, flange gland and interior hexagonal plug screw, the one end of cylinder sets up on the side of main flange one side, the one end of valve rod subassembly sets up in the inside of main flange, the valve rod subassembly comprises the body of rod and piston, interference fit between the body of rod and the piston; the utility model discloses simple structure effectively filters the impurity in the low pressure water supply pipeline, prevents inside large granule impurity gets into the water filling valve main part and the pipeline system that descales, thereby solves when coming from the descales that the injection valve opens the problem that back high pressure water recoil goes into low pressure water supply pipeline and damages inner structure to the operating stability, fail safe nature and the life of valve have greatly been improved.

Description

L-shaped water filling valve

Technical Field

The utility model belongs to the technical field of fill water valve equipment, concretely relates to L type fills water valve.

Background

The water filling valve is generally used in a high-pressure water descaling system to control the on-off of the pre-filled water in a descaling pipeline, and is mainly used in low-pressure water filling occasions and high-pressure water pre-filling occasions. The water filling valve mainly plays a role in the descaling system in that low-pressure water is firstly used for pre-filling the high-pressure descaling pipeline before the high-pressure descaling water enters the high-pressure descaling valve, so that the descaling pipeline is ensured to be in a filling state during high-pressure descaling spraying operation, and the pipeline and valve elements are prevented from being damaged by water hammer impact caused by emptying the descaling header. Since the water fill valve is typically installed between high pressure water and low pressure water, the water fill valve is typically more susceptible to damage, which is also a problem faced by the scale removal industry today.

The defects of the prior art are as follows:

the traditional water filling valve can be exposed to the erosion of high-pressure water from the high-pressure descaling valve end, the damage of the water filling valve can be accelerated, the service life of the water filling valve is generally short, and safety accidents are easily caused; because the filter is generally arranged at the front end of the high-pressure descaling valve, the problem of large particle impurities in water is not needed to be worried, but the filter device is generally not arranged at the low-pressure water filling end, so that the impurities in the water can enter a descaling system, the seal can be seriously scratched, the leakage of high-pressure water is caused, and safety production accidents are caused; the conventional water filling valve cannot detect the opening state of the valve, and directly carries out high-pressure water descaling, so that damage is caused to all parts and sealing of a descaling system, and the service lives of the descaling system and the sealing are greatly shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a L type fills water valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an L-shaped water filling valve comprises a water filling valve main body unit, a flange filter unit and a double check valve unit, wherein the water filling valve main body unit comprises a cylinder barrel, a main flange, a valve rod assembly, a first spring, a first circular flange, a valve seat assembly, a flange gland and an inner hexagonal plug screw, one end of the cylinder barrel is arranged on the side face of one side of the main flange, one end of the valve rod assembly is arranged in the main flange, the valve rod assembly comprises a rod body and a piston, the rod body and the piston are assembled in an interference mode, one end, far away from the main flange, of the cylinder barrel is arranged on the side face of the first circular flange, one end of the rod body is arranged on the first circular flange, the side face, adjacent to the first circular flange, of the piston is connected with the first spring through an annular groove, the valve seat assembly is arranged in the first circular flange, and the valve seat assembly comprises a valve needle and a first valve seat, threaded connection between needle and the first disk seat, be connected with the disk seat subassembly through seting up cyclic annular seal groove on the side of flange gland one side, set up a plurality of counter sink and screw hole respectively on main flange and the flange gland and pass through double-screw bolt nut and link as an organic wholely with filling water valve main part unit, flange filter unit sets up the input at filling water valve main part unit, flange filter unit comprises filter body, square flange, filter core and first hexagon socket head cap screw, square flange will the filter body crimping is fixed, first hexagon socket head cap screw fixes flange filter unit on main flange, the filter core sets up the inside at the filter body, double check valve unit sets up the output at filling water valve main part unit.

Preferably, the double check valve unit comprises a double check valve body, a first end cover, a second valve seat, a valve core, a second spring, a valve sleeve, a second end cover, a second circular flange, a connecting pipe, a second inner hexagonal screw and a third inner hexagonal screw, one side of the flange gland is connected with the second circular flange through a bolt, the double check valve body is arranged on the side surface of the other side of the first end cover, the second valve seat, the valve core, the second spring and the valve sleeve are arranged on two sides of the inside of the double check valve body through a cavity, the second valve seat is connected with the valve sleeve, the valve core is arranged inside the valve sleeve, the second spring is arranged between the valve core and the valve sleeve, an annular sealing groove is arranged on one side of the second end cover and connected with the double check valve body through the second inner hexagonal screw, the connecting pipe is provided with an annular sealing groove and connected with the second end cover in a sealing manner, the second circular flange is in compression joint with the fixed connecting pipe, and the third inner hexagonal screw is used for fixing the double check valve unit on the flange pressure cover.

Preferably, sealing elements are arranged between the cylinder barrel and the main flange, between the rod body and the main flange, between the cylinder barrel and the first circular flange, between the rod body and the first circular flange, between the flange gland and the inner hexagonal plug screw, between the filter element and the main flange, between the second valve seat and the valve sleeve, and between the second end cover and the connecting pipe.

Preferably, the sealing elements between the rod body and the main flange and between the rod body and the first circular flange are provided with first detection holes.

Preferably, a second detection hole is formed in the flange pressing cover.

Preferably, the adjacent sides of the second valve seat and the valve core are provided with valve ports with the same angle.

Preferably, the second circular flange is arranged to be in a stepped inner hole shape, and the connecting pipe is arranged to be in a stepped shaft shape.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses an arrangement is by filling valve main part unit, and filling valve main part unit comprises cylinder, main flange, valve rod subassembly, first spring, first round flange, valve seat subassembly, flange gland and interior hexagonal plug screw, improves the filling valve and has increased aperture detection device, has effectively solved the descaling valve and has descaled under the unknown state of filling valve;

(2) the utility model discloses a be provided with flange filter unit and two check valve units, flange filter unit is by the filter body, square flange, filter core and first interior hexagonal screw are constituteed, two check valve units are by two check valve bodies, the first end cover, the second disk seat, the case, the second spring, the valve barrel, the second end cover, the second circular flange, the takeover, second interior hexagonal screw and third interior hexagonal screw are constituteed, impurity in the effectual filtration low pressure water filling pipeline, prevent that large granule impurity from getting into water filling valve main part and descaling pipe-line system inside, thereby the problem of the interior structure is damaged to the injection valve open back high pressure water back-flushing low pressure water supply pipeline when solving and coming from descaling, thereby the operating stability of valve has greatly been improved, fail safe nature and life.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an overall front view of the present invention;

fig. 3 is the schematic diagram of the internal structure of the double check valve unit of the present invention.

In the figure: 1. a fill valve body unit; 101. a cylinder barrel; 102. a main flange; 103. a valve stem assembly; 1031. a piston; 1032. a rod body; 104. a first spring; 105. a first circular flange; 106. a valve seat assembly; 1061. a valve needle; 1062. a first valve seat; 107. a flange gland; 108. an inner hexagonal plug screw; 2. a flange filter unit; 21. a filter body; 22. a square flange; 23. a filter element; 24. a first socket head cap screw; 3. a double check valve unit; 31. a double check valve body; 32. a first end cap; 33. a second valve seat; 34. a valve core; 35. a second spring; 36. a valve housing; 37. a second end cap; 38. a second circular flange; 39. taking over a pipe; 301. a second socket head cap screw; 302. a third socket head cap screw; 4. a seal member; 5. a first detection hole; 6. and a second detection hole.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution of an L-shaped water filling valve: an L-shaped water filling valve comprises a water filling valve main body unit 1, a flange filter unit 2 and a double check valve unit 3, wherein the water filling valve main body unit 1 comprises a cylinder barrel 101, a main flange 102, a valve rod assembly 103, a first spring 104, a first circular flange 105, a valve seat assembly 106, a flange gland 107 and an inner hexagonal plug screw 108, one end of the cylinder barrel 101 is sleeved on the side surface of one side of the main flange 102, one end of the valve rod assembly 103 is assembled inside the main flange 102, the valve rod assembly 103 comprises a rod body 1032 and a piston 1031, the rod body 1032 and the piston 1031 are in interference assembly, one end of the cylinder barrel 101, far away from the main flange 102, is sleeved on the side surface of the first circular flange 105, one end of the rod body 1032 is installed on the first circular flange 105, the side surfaces, adjacent to one side of the piston 1031 and the first circular flange 105 are both connected with the first spring 104 through an annular groove, the valve seat assembly 106 is installed inside the first circular flange 105, the valve seat assembly 106 is composed of a valve needle 1061 and a first valve seat 1062, the valve needle 1061 and the first valve seat 1062 are in threaded connection, the side surface of one side of a flange pressing cover 107 is connected with the valve seat assembly 106 by being provided with an annular sealing groove, a main flange 102 and the flange pressing cover 107 are respectively provided with a plurality of counter bores and threaded holes, the water filling valve main body unit 1 is connected into a whole by stud nuts, the flange filter unit 2 is installed at the input end of the water filling valve main body unit 1, the flange filter unit 2 is composed of a filter body 21, a square flange 22, a filter element 23 and a first inner hexagon screw 24, the square flange 22 is used for fixedly crimping the filter body 21, the first inner hexagon screw 24 is used for fixing the flange filter unit 2 on the main flange 102, the filter element 23 is arranged inside the filter body 21, and the double check valve unit 3 is installed at the output end of the water filling valve main body unit 1.

In this embodiment, preferably, the double check valve unit 3 is composed of a double check valve body 31, a first end cap 32, a second valve seat 33, a valve core 34, a second spring 35, a valve sleeve 36, a second end cap 37, a second circular flange 38, a connecting pipe 39, a second socket head cap screw 301 and a third socket head cap screw 302, one side of the flange gland 107 is connected with the second circular flange 38 through a mounting bolt, the double check valve body 31 is sleeved on the side surface of the other side of the first end cap 32, two sides inside the double check valve body 31 are provided with the second valve seat 33, the valve core 34, the second spring 35 and the valve sleeve 36 through a cavity, the second valve seat 33 is connected with the valve sleeve 36, the valve core 34 is arranged inside the valve sleeve 36, the second spring 35 is arranged between the valve core 34 and the valve sleeve 36, one side of the second end cap 37 is provided with an annular sealing groove and connected with the double check valve body 31 through the second socket head cap screw 301, the adapter 39 is provided with an annular sealing groove to be connected with the second end cover 37 in a sealing mode, the second circular flange 38 is in compression joint with the adapter 39, and the third inner hexagonal screw 302 fixes the double check valve unit 3 on the flange gland 107.

In this embodiment, preferably, the sealing members 4 are respectively installed between the cylinder 101 and the main flange 102, between the rod body 1032 and the main flange 102, between the cylinder 101 and the first circular flange 105, between the rod body 1032 and the first circular flange 105, between the flange gland 107 and the hexagon socket head 108, between the filter element 23 and the main flange 102, between the second valve seat 33 and the valve sleeve 36, and between the second end cap 37 and the connecting pipe 39, which is beneficial to increasing the sealing effect and is convenient to assemble and disassemble.

In this embodiment, preferably, the first detecting hole 5 is formed on the sealing element 4 between the rod body 1032 and the main flange 102 and between the rod body 1032 and the first circular flange 105, and is used for detecting whether the sealing element 4 is damaged or not.

In this embodiment, preferably, the flange gland 107 is provided with a second detection hole 6 for detecting the opening of the water filling valve, so as to prevent the descaling valve from descaling in an unknown state of the water filling valve.

In this embodiment, it is preferable that the adjacent sides of the second valve seat 33 and the valve core 34 are formed with valve ports with the same angle, which is favorable for better installation.

In this embodiment, it is preferable that the second circular flange 38 is formed in a stepped inner hole shape, and the adapter 39 is formed in a stepped shaft shape, which is beneficial to facilitate the installation of the second circular flange 38 and the adapter 39.

The utility model discloses a theory of operation and use flow: in the device, a water filling valve main body unit 1 is arranged, the water filling valve main body unit 1 is composed of a cylinder 101, a main flange 102, a valve rod assembly 103, a first spring 104, a first circular flange 105, a valve seat assembly 106, a flange gland 107 and an inner hexagonal plug screw 108, under the condition of water pre-filling, when the water filling valve cannot be normally opened, a descaling system stops descaling, and descaling of the descaling valve is effectively avoided under the condition that the water filling valve is unknown, meanwhile, a flange filter unit 2 is composed of a filter body 21, a square flange 22, a filter core 23 and a first inner hexagonal screw 24, a double check valve unit 3 is composed of a double check valve body 31, a first end cover 32, a second valve seat 33, a valve core 34, a second spring 35, a valve sleeve 36, a second end cover 37, a second circular flange 38, a connecting pipe 39, a second inner hexagonal screw 301 and a third inner hexagonal screw 302, impurities in a low-pressure water filling pipeline are effectively filtered, prevent that large granule impurity from getting into fill valve main part and inside the descaling pipe-line system, thereby solve when coming from the descaling high pressure water recoil low pressure water supply pipe way damage inner structure's problem after the jet valve is opened to greatly improved the operating stability, the fail safe nature and the life of valve.

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. The utility model provides a L type water filling valve, includes water filling valve main part unit (1), flange filter unit (2) and two check valve unit (3), its characterized in that: the water filling valve main body unit (1) comprises a cylinder barrel (101), a main flange (102), a valve rod assembly (103), a first spring (104), a first circular flange (105), a valve seat assembly (106), a flange gland (107) and an inner hexagonal screw plug (108), one end of the cylinder barrel (101) is arranged on the side face of one side of the main flange (102), one end of the valve rod assembly (103) is arranged in the main flange (102), the valve rod assembly (103) comprises a rod body (1032) and a piston (1031), the rod body (1032) and the piston (1031) are in interference fit, one end, far away from the main flange (102), of the cylinder barrel (101) is arranged on the side face of the first circular flange (105), one end of the rod body (1032) is arranged on the first circular flange (105), the side faces, adjacent to the first circular flange (105), of the piston (1031) are connected with the first spring (104) through arranging an annular groove, the valve seat assembly (106) is arranged inside the first circular flange (105), the valve seat assembly (106) is composed of a valve needle (1061) and a first valve seat (1062), the valve needle (1061) is in threaded connection with the first valve seat (1062), the side face of one side of the flange pressing cover (107) is connected with the valve seat assembly (106) through an annular sealing groove, the main flange (102) and the flange pressing cover (107) are respectively provided with a plurality of counter bores and threaded holes, the main water filling valve body unit (1) is connected into a whole through stud nuts, the flange filter unit (2) is arranged at the input end of the main water filling valve body unit (1), the flange filter unit (2) is composed of a filter body (21), a square flange (22), a filter core (23) and a first hexagon socket head cap screw (24), and the filter body (21) is pressed and fixed by the square flange (22), the flange filter unit (2) is fixed on the main flange (102) through the first inner hexagon screws (24), the filter element (23) is arranged inside the filter body (21), and the double check valve unit (3) is arranged at the output end of the water filling valve main body unit (1).

2. An L-shaped water filling valve as claimed in claim 1, wherein: the double-check valve unit (3) consists of a double-check valve body (31), a first end cover (32), a second valve seat (33), a valve core (34), a second spring (35), a valve sleeve (36), a second end cover (37), a second circular flange (38), a connecting pipe (39), a second inner hexagonal screw (301) and a third inner hexagonal screw (302), one side of a flange gland (107) is connected with the second circular flange (38) through a set bolt, the double-check valve body (31) is arranged on the side face of the other side of the first end cover (32), the second valve seat (33), the valve core (34), the second spring (35) and the valve sleeve (36) are arranged in a cavity formed in two sides in the double-check valve body (31), the second valve seat (33) is connected with the valve sleeve (36), and the valve core (34) is arranged in the valve sleeve (36), the second spring (35) is arranged between the valve core (34) and the valve sleeve (36), one side of the second end cover (37) is provided with an annular sealing groove which is connected with the double check valve body (31) through a second inner hexagonal screw (301), the connecting pipe (39) is provided with an annular sealing groove which is connected with the second end cover (37) in a sealing mode, the second circular flange (38) is in compression joint with the fixed connecting pipe (39), and the third inner hexagonal screw (302) fixes the double check valve unit (3) on the flange gland (107).

3. An L-shaped water filling valve as claimed in claim 1, wherein: and sealing elements (4) are arranged between the cylinder barrel (101) and the main flange (102), between the rod body (1032) and the main flange (102), between the cylinder barrel (101) and the first circular flange (105), between the rod body (1032) and the first circular flange (105), between the flange gland (107) and the inner hexagonal plug screw (108), between the filter element (23) and the main flange (102), between the second valve seat (33) and the valve sleeve (36), and between the second end cover (37) and the connecting pipe (39).

4. An L-shaped water filling valve as claimed in claim 3, wherein: and a first detection hole (5) is formed in the sealing element (4) between the rod body (1032) and the main flange (102) and between the rod body (1032) and the first circular flange (105).

5. An L-shaped water filling valve as claimed in claim 1, wherein: and a second detection hole (6) is formed in the flange gland (107).

6. An L-shaped water filling valve as claimed in claim 2, wherein: and valve ports with the same angle are arranged on the adjacent sides of the second valve seat (33) and the valve core (34).

7. An L-shaped water filling valve as claimed in claim 2, wherein: the second circular flange (38) is in a step inner hole shape, and the connecting pipe (39) is in a step shaft shape.