CN218954045U

CN218954045U - Water-saving valve

Info

Publication number: CN218954045U
Application number: CN202320713133.8U
Authority: CN
Inventors: 纪陶
Original assignee: Harbin Water Supply Group Co ltd
Current assignee: Harbin Water Supply Group Co ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-05-02
Anticipated expiration: 2033-04-04

Abstract

The utility model provides a water-saving valve, and belongs to the technical field of pipeline parts. The water-saving valve has simple structure, convenient operation, convenient maintenance and low production and processing cost. The valve casing of the water-saving valve is of a three-way structure, the valve ball is installed in the water inlet end through the support bracket and is blocked at the water inlet, the valve rod is inserted in the control end, the valve rod is twisted to enable the shifting sheet to push the valve ball, namely the water inlet is opened, and water is communicated. The valve housing, the plugging cap, the valve rod and the limit nut which are mutually jointed by utilizing the conical surface are arranged, so that the machining precision requirement of the joint surface of each part is reduced, the machining cost is reduced, the valve rod, the valve ball and the support bracket are arranged in a combined manner, the water supply and the water stop of the water-saving valve are more flexible, in addition, the water-saving valve is simple in structure, and the water-saving valve is more convenient to maintain when in fault or damage.

Description

Water-saving valve

Technical Field

The utility model belongs to the technical field of pipeline parts, and particularly relates to a water-saving valve.

Background

Along with the continuous improvement of awareness of environmental protection and resource conservation of people, the conservation of water resources becomes a focus of attention, and water valve opening and closing is carried out at will in life, so that the water valve is a common means for saving water. Patent publication number is CN214466242U, patent name is a patent document of water valve, discloses a through torsion valve rod, makes first water hole and second water hole accomplish counterpoint, realizes the water valve of leading to water, and this water valve is in the use, needs to twist reverse great angle to the valve rod, and the operation is comparatively laborious, and each joint surface is mostly the face of cylinder simultaneously, and the machining precision requirement to the mating surface is higher, and processing cost is higher.

Disclosure of Invention

In order to solve the problems in the background technology, the utility model provides the water-saving valve which is simple in structure, convenient to operate and maintain and low in production and processing cost.

The technical scheme adopted for solving the technical problems is as follows: a water-saving valve comprises a valve shell, a valve rod, a supporting bracket, a plugging cap, a limit nut and a valve ball; the valve casing sets up to three-way structure, and the water inlet of valve casing constitutes the section of leading to water jointly along sharp arrangement with the play water end, and the control end of valve casing connects perpendicularly to establish in the section of leading to water outside, and the control end is in the transition department of water inlet and play water end and is led to the section of leading to water to punch through, and form the operation chamber in the section of leading to water that the department is counterpointed, the valve ball is spacing through the bearing of supporting the support, installs in the inlet channel of water inlet and shutoff in water inlet department, the valve rod cartridge is in the control end, the shutoff cap cartridge is on the valve rod and cartridge is on the port of control end, limit nut screw thread is installed on the valve rod and is cartridge on the shutoff cap, shutoff cap and limit nut cooperation work is installed the valve rod in the valve casing to carry out the position and limit, the joint face of mutually supporting between shutoff cap and the shutoff cap all sets up to the conical surface, the valve rod includes pole body and plectrum, set up to fan-shaped plectrum fixed setting up in the work end of pole body, the jack-up the setting is along with the water inlet, the plug is opened to the passageway, and the valve rod is opened along with the top.

The plugging cap is in threaded connection with the outer vertical face of the control end, the large diameter end of the conical vertical face at the inner side of the control end faces the port direction of the control end, the plugging cap is inserted into the cap body part of the control end to be matched with the cone with the same taper, an hourglass type through hole is formed in the middle of the plugging cap, the hourglass type through hole and the plugging cap are coaxially arranged, the conical surface of the lower section of the hourglass type through hole faces the control end, the outer slope of the truncated cone-shaped connecting section integrally arranged in the middle of the rod body is arranged to be the same taper and is connected with the outer surface of the connecting section, the conical surface of the upper section of the hourglass type through hole faces the outer portion is connected with the conical surface arranged at the lower section of the limiting nut, the conical surfaces of the hourglass type through hole, the connecting section and the limiting nut are mutually matched, axial limiting of the valve rod is realized, and a sealing ring is filled in a gap between the connecting section and the limiting nut.

The utility model has the beneficial effects that: the valve housing, the plugging cap, the valve rod and the limit nut which are mutually jointed by utilizing the conical surface are arranged, so that the machining precision requirement of the joint surface of each part is reduced, the machining cost is reduced, the valve rod, the valve ball and the support bracket are arranged in a combined manner, the water supply and the water stop of the water-saving valve are more flexible, in addition, the water-saving valve is simple in structure, and the water-saving valve is more convenient to maintain when in fault or damage.

Drawings

In the drawings:

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

FIG. 2 is a schematic diagram of the internal structure of the present utility model;

FIG. 3 is a schematic view of the water stop state of the present utility model;

FIG. 4 is a schematic view of the water inlet state of the present utility model;

FIG. 5 is a schematic view of the valve housing structure of the present utility model;

FIG. 6 is a schematic illustration of the valve stem structure of the present utility model;

FIG. 7 is a schematic diagram of the operation effect of the limiting spring plate of the present utility model;

FIG. 8 is a schematic view of a support bracket of the present utility model;

FIG. 9 is an enlarged view of part A of FIG. 5;

in the figure:

1. a valve housing; 2. a valve stem; 3. a support bracket; 4. a plugging cap; 5. a limit nut; 6. manipulating the grip; 7. a fixing nut; 8. a valve ball; 9. a seal ring; 11. a water inlet end; 12. a water outlet end; 13. a manipulation end; 14. a water inlet channel; 15. a fan-shaped groove; 161. a water inlet limit groove; 162. a water stop limit groove; 21. a shaft; 22. a pulling piece; 23. a joining section; 24. a limiting spring plate; 25. a force transmission section; 31. a connecting pipe; 32. and a bracket.

Description of the embodiments

The present utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic views illustrating the basic structure of the present utility model by way of illustration only, and thus show only the constitution related to the present utility model.

A water-saving valve comprises a valve shell 1, a valve rod 2, a supporting bracket 3, a plugging cap 4, a limit nut 5 and a valve ball 8; the valve casing 1 is provided with a three-way structure, the water inlet end 11 and the water outlet end 12 of the valve casing 1 are arranged along a straight line to form a water passage section together, the control end 13 of the valve casing 1 is vertically arranged outside the water passage section, the control end 13 is penetrated through the water passage section at the transition position of the water inlet end 11 and the water outlet end 12 and forms an operation cavity in the water passage section aligned with the penetration position, the valve ball 8 is limited by the bearing of the supporting bracket 3, is arranged in the water inlet channel 14 of the water inlet end 11 and is blocked at the water inlet, the valve rod 2 is inserted in the control end 13, the blocking cap 4 is sleeved on the valve rod 2 and is inserted on the port of the control end 13, the limiting nut 5 is arranged on the valve rod 2 in a threaded manner and is inserted on the blocking cap 4, the valve rod 2 is installed in the valve shell 1 through the cooperation of the plugging cap 4 and the limiting nut 5, positions are limited, joint surfaces of the operating end 13 and the plugging cap 4, which are matched with each other, are all conical surfaces, joint surfaces of the plugging cap 4, the valve rod 2 and the limiting nut 5, which are matched with each other, are all conical surfaces, the valve rod 2 comprises a rod body 21 and a pulling piece 22, the pulling piece 22 which is arranged in a fan shape is fixedly arranged at the end part of the working end of the rod body 21, the pulling piece 22 is inserted into the operating cavity along with the rod body 21, the pulling piece 22 is pushed against the valve ball 8 by the torsion rod body 21, a water inlet is opened, and water is communicated through the water communication section.

The plugging cap 4 is in threaded connection with the outer vertical surface of the operating end 13, the large diameter end of the conical vertical surface at the inner side of the operating end 13 faces the port direction of the operating end 13, the plugging cap 4 is inserted into the cap body part of the operating end 13 to be matched with the cone with the same taper, the middle part of the plugging cap 4 is provided with an hourglass type through hole, the hourglass type through hole and the plugging cap 4 are coaxially arranged, the hourglass type through hole faces the lower section cone surface of the operating end 13, the outer slope surface of the conical connecting section 23 integrally arranged at the middle part of the rod body 21 is arranged with the same taper and is connected with the outer surface of the connecting section 23, the hourglass type through hole faces the outer upper section cone surface of the connecting section, is connected with the cone surface arranged at the lower section of the limiting nut 5, the hourglass type through hole, the connecting section 23 and the cone surfaces of the limiting nut 5 are mutually matched, and the axial limiting of the valve rod 2 is realized, and the sealing ring 9 is filled in the gap between the connecting section 23 and the limiting nut 5.

The connecting section 23 and the rod body 21 are coaxially arranged, the large-diameter end of the connecting section 23 faces the working end of the rod body 21, and the small-diameter end of the connecting section 23 faces the operating end of the rod body 21.

The bottom surface of plectrum 22 is integrative to be provided with spacing shell fragment 24 to set up the movable groove in spacing shell fragment 24 top corresponding position, spacing shell fragment 24 expansion end is provided with the circular arc arch outward one side, the circular arc arch is promoted by external force and is made spacing shell fragment 24 produce deformation, carry out the borrow to the movable groove when spacing shell fragment 24 produces deformation.

The fan-shaped groove 15 is formed in one side wall of the operation cavity, the fan-shaped groove 15 and the operation end 13 are coaxially arranged, the outer edge of the poking piece 22 is slidably arranged in the fan-shaped groove 15, two limit grooves are formed in the groove bottom of the fan-shaped groove 15, and when the poking piece 22 rotates forward and backward respectively, the arc protrusions of the limit elastic pieces 24 can correspondingly slide into the two limit grooves respectively.

The spacing shell fragment 24 is close to the one side setting that keeps away from the water inlet of plectrum 22, and two spacing groove differences set up into water inlet spacing groove 161 and stagnant water spacing groove 162, water inlet spacing groove 161 is close to the water inlet setting on fan-shaped groove 15 tank bottom, stagnant water spacing groove 162 is kept away from the water inlet setting on fan-shaped groove 15 tank bottom, spacing shell fragment 24 slides into water inlet spacing groove 161, and the section of leading to water leads to water, and spacing shell fragment 24 slides into stagnant water spacing groove 162, and the section of leading to water stops leading to water promptly.

The water inlet channel 14 and the water inlet end 11 are coaxially arranged and are in a conical structure, the tip of the conical structure of the water inlet channel 14 faces the water outlet end 12, and a water inlet communicated with the operation cavity is formed in the end portion. The support 3 is installed on the port of the end 11 that intakes, the support 3 includes connecting pipe 31 and bracket 32, the fixed setting of bracket 32 is on the inner wall of connecting pipe 31 to set up in the middle in the axial, the one end of connecting pipe 31 orientation bracket 32 carries out threaded connection with the port of the end 11 that intakes, and the one end of connecting pipe 31 dorsad bracket 32 is used for connecting outside pipeline, bracket 32 sets up to four landing leg's elasticity thin wall structures to possess along connecting pipe 31 axial direction's elastic deformation ability, the bracket 32 is used for spacing bearing valve ball 8's tip to be provided with the circular arc groove, the circular arc groove sets up with connecting pipe 31 is coaxial, sets up with the water inlet is coaxial promptly.

The water-saving valve also comprises an operating handle 6 and a fixing nut 7; the operating handle 6 is sleeved on the operating end of the rod body 21, and is fixedly locked by the fixing nut 7. The outer circular surface of the end part of the operating end of the rod body 21 is symmetrically subjected to tangent plane treatment, so that a force transmission section 25 is formed at the end part, a force transmission hole with the same cross section shape as that of the force transmission section 25 is formed in the middle of the operating handle 6, the operating handle 6 is sleeved on the force transmission section 25 through the force transmission hole, threads are arranged on the outer circular surface of the force transmission section 25, and the fixing nut 7 is arranged on the force transmission section 25 in a threaded manner to fix the operating handle 6.

Working principle:

the water-saving valve is assembled by:

the valve rod 2 is inserted into the valve casing 1 from the operating end 13, the poking plate 22 is inserted into the sector groove 15, then the plugging cap 4 is sleeved on the valve rod 2 from the upper end of the rod body 21, and is screwed on the port of the operating end 13, and at the moment, the lower section conical surface of the hourglass-shaped through hole is attached to the conical surface of the connecting section 23; filling the sealing ring 9 into an hourglass-shaped through hole, then installing a limit nut 5 on a rod body 21 in a threaded manner, forming waists at the joint of the upper section conical surface and the lower section conical surface of the hourglass-shaped through hole, and respectively limiting the limit nut 5 at the upper side and the joint section 23 at the lower side, namely realizing axial limiting of the valve rod 2; afterwards, the control handle 6 is sleeved on the force transmission section 25, and a fixing nut 7 is arranged to fix the control handle 6; in the water inlet end 11, the valve ball 8 is filled in the water inlet channel 14, and then the support bracket 3 is arranged on the port of the water inlet end 11, thus completing the whole assembly.

The using process comprises the following steps:

the water-stop state of the water-saving valve is that the circular arc protrusion of the limiting spring piece 24 is clamped in the water-stop limiting groove 162, the poking piece 22 is separated from the valve ball 8, the valve ball 8 is supported in the water inlet end 11 by the supporting bracket 3, the valve ball 8 is blocked on the water inlet, and the water inlet end 11 and the water outlet end 12 do not form a water flow passage.

The water-saving valve has the water-saving state that the handle 6 is held by hand to twist the valve rod 2, so that the circular arc bulge of the limiting spring piece 24 is clamped into the water inlet limiting groove 161, at the moment, the edge of the shifting piece 22 pushes the valve ball 8, the valve ball 8 is pushed to the water inlet end 11 side and is abutted against the valve ball, at the moment, the water inlet is opened, and the water inlet end 11 and the water outlet end 12 form a water flow passage; when water supply is required to be stopped, the valve rod 2 is twisted again, the circular arc bulge of the limiting elastic sheet 24 is clamped into the water stop limit groove 162 again, and the valve ball 8 plugs the water inlet again and stops water supply under the action of the recovery deformation of the support bracket 3.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A water saving valve, characterized in that: comprises a valve shell (1), a valve rod (2), a supporting bracket (3), a plugging cap (4), a limit nut (5) and a valve ball (8); the valve casing (1) is of a three-way structure, the water inlet end (11) and the water outlet end (12) of the valve casing (1) are arranged along a straight line to form a water passage section together, the control end (13) of the valve casing (1) is vertically connected to the outside of the water passage section, the control end (13) is penetrated through the water passage section at the transition part of the water inlet end (11) and the water outlet end (12) and forms an operation cavity in the water passage section aligned at the penetrated part, the valve ball (8) is supported and limited by the supporting bracket (3) and is arranged in the water inlet channel (14) of the water inlet end (11) and is blocked at the water inlet, the valve rod (2) is inserted in the control end (13), the blocking cap (4) is sleeved on the valve rod (2) and is inserted on the port of the control end (13), the limiting nut (5) is arranged on the valve rod (2) in a threaded mode and is inserted on the blocking cap (4), the valve rod (2) and the limiting cap (4) and the limiting nut (5) are matched to install the valve rod (2) in the water passage section aligned at the penetrated position, the blocking cap (2) is matched with the blocking cap (4) in the blocking face (2), the blocking face (2) is matched with the blocking face (21 respectively, the fan-shaped shifting piece (22) is fixedly arranged at the end part of the working end of the rod body (21), the shifting piece (22) is inserted into the operation cavity along with the rod body (21), the valve ball (8) is pushed by the shifting piece (22) to open the water inlet by twisting the rod body (21), and the water passing section is enabled to realize water passing.

2. A water saving valve according to claim 1, wherein: the plugging cap (4) is in threaded connection with the outer vertical surface of the operating end (13), the large diameter end of the conical vertical surface at the inner side of the operating end (13) faces the port direction of the operating end (13), the cap body part of the plugging cap (4) inserted into the operating end (13) is matched with a cone with the same taper, the middle part of the plugging cap (4) is provided with an hourglass type through hole, the hourglass type through hole and the plugging cap (4) are coaxially arranged, the hourglass type through hole faces the lower conical surface of the operating end (13), the outside slope of the round platform-shaped connecting section (23) integrally arranged in the middle of the rod body (21) is set to be the same taper and is connected with the outer surface of the connecting section (23), the hourglass-shaped through hole faces the outer upper section conical surface and is connected with the conical surface arranged at the lower section of the limit nut (5), the hourglass-shaped through hole, the connecting section (23) and the conical surfaces of the limit nut (5) are mutually matched, the axial limit of the valve rod (2) is realized, and a sealing ring (9) is filled in a gap between the connecting section (23) and the limit nut (5) in the hourglass-shaped through hole.

3. A water saving valve according to claim 2, wherein: the connecting section (23) and the rod body (21) are coaxially arranged, the large-diameter end of the connecting section (23) faces the working end of the rod body (21), and the small-diameter end of the connecting section (23) faces the operating end of the rod body (21).

4. A water saving valve according to claim 2, wherein: the bottom surface of plectrum (22) is integrative to be provided with spacing shell fragment (24) to set up the movable groove in spacing shell fragment (24) top corresponding position, spacing shell fragment (24) active end outwards one side is provided with the circular arc arch, the circular arc arch is promoted by external force and is made spacing shell fragment (24) produce deformation, carry out the borrowing to the movable groove when spacing shell fragment (24) produces deformation.

5. A water saving valve according to claim 4, wherein: the fan-shaped groove (15) is formed in one side wall of the operation cavity, the fan-shaped groove (15) and the operation end (13) are coaxially arranged, the outer edge of the poking piece (22) is slidably arranged in the fan-shaped groove (15), two limit grooves are formed in the groove bottom of the fan-shaped groove (15), and when the poking piece (22) rotates forward and backward respectively, the arc protrusions of the limit elastic pieces (24) can correspondingly slide into the two limit grooves respectively.

6. A water saving valve according to claim 5, wherein: the water inlet limiting device is characterized in that the limiting elastic piece (24) is arranged on one side, far away from the water inlet, of the pulling piece (22), the two limiting grooves are arranged to be a water inlet limiting groove (161) and a water stop limiting groove (162) in a distinguished mode, the water inlet limiting groove (161) is arranged on the bottom of the fan-shaped groove (15) and close to the water inlet, the water stop limiting groove (162) is arranged on the bottom of the fan-shaped groove (15) and far away from the water inlet, the limiting elastic piece (24) slides into the water inlet limiting groove (161), namely, water is led into the water inlet section, and the limiting elastic piece (24) slides into the water stop limiting groove (162), namely, the water inlet section stops water.

7. A water saving valve according to claim 1, wherein: the water inlet channel (14) and the water inlet end (11) are coaxially arranged and are in a conical structure, the tip end of the conical structure of the water inlet channel (14) faces the water outlet end (12), and a water inlet communicated with the operation cavity is formed in the end portion.

8. A water saving valve according to claim 7, wherein: support holds in palm (3) screw thread and installs on the port of end (11) that intakes, support holds in the palm (3) including connecting pipe (31) and bracket (32), bracket (32) are fixed to be set up on the inner wall of connecting pipe (31) to set up in the middle in the axial, the one end of connecting pipe (31) orientation bracket (32) carries out threaded connection with the port of end (11) that intakes, and the one end of connecting pipe (31) dorsad bracket (32) is used for connecting outside pipeline, bracket (32) set up to four landing leg's elasticity thin wall structures to possess along connecting pipe (31) axial direction's elastic deformation ability, the end that bracket (32) are used for spacing bearing valve ball (8) is provided with the circular arc groove, circular arc groove and connecting pipe (31) coaxial setting, with water inlet coaxial setting promptly.

9. A water saving valve according to claim 1, wherein: the water-saving valve also comprises an operating handle (6) and a fixing nut (7); the operating handle (6) is sleeved on the operating end of the rod body (21) and is fixedly locked by the fixing nut (7).

10. A water saving valve according to claim 9, wherein: the external circular surface of the end part of the operating end of the rod body (21) is symmetrically subjected to tangent plane treatment, the end part is made to form a force transmission section (25), a force transmission hole with the same cross section shape as that of the force transmission section (25) is formed in the middle of the operating handle (6), the operating handle (6) is sleeved on the force transmission section (25) through the force transmission hole, threads are arranged on the external circular surface of the force transmission section (25), and the fixing nut (7) is installed on the force transmission section (25) in a threaded mode to fix the operating handle (6).