CN214222085U

CN214222085U - Convenient disassembly and assembly bypass valve without clamping wire

Info

Publication number: CN214222085U
Application number: CN202022608844.8U
Authority: CN
Inventors: 钟建苗; 吕江; 任静; 胡栋钊; 蒋宗
Original assignee: Zhejiang Chunhui Intelligent Control Co Ltd
Current assignee: Zhejiang Chunhui Intelligent Control Co Ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-09-17
Anticipated expiration: 2030-11-12

Abstract

The utility model discloses a portable dismouting bypass valve of no card silk, which comprises a housin and a bypass valve, the casing includes the bypass chamber, the bypass valve is installed in the bypass chamber, the bypass valve includes bypass valve skeleton and check valve, it is protruding that the bypass chamber is established on the perisporium upper portion in bypass chamber, bypass chamber concave part and bypass valve locating hole are linked together, the upper end of bypass chamber concave part runs through the bypass chamber upper end, skeleton location convex part and skeleton convex part are established to the upper portion outer wall of bypass valve skeleton, the outward flange size of skeleton location convex part is greater than the perisporium size in bypass chamber and is less than the perisporium size of bypass chamber concave part, the skeleton location convex part can switch over in bypass chamber concave part and bypass valve locating hole and remove, the skeleton convex part surpasss the protruding and skeleton convex part of bypass chamber and supports the bypass chamber arch when the skeleton location convex part is located the bypass valve locating hole. The utility model discloses a only need insert during the bypass valve installation the back rotatory detain can, directly screw out during the dismantlement, the installation is dismantled conveniently, and is with low costs.

Description

Convenient disassembly and assembly bypass valve without clamping wire

Technical Field

The utility model belongs to the technical field of the three-way valve technique and specifically relates to a portable dismouting bypass valve of no card silk is related to.

Background

A three-way valve that is used for hanging stove to go out water module at present is equipped with the bypass valve a bit, can follow the bypass valve pressure release when the section pressure of heating system is too high, and current bypass valve has following problem: the bypass valve of the three-way valve made of plastic materials is installed by adopting the clamping threads, so that the cost of the clamping threads is increased, and the clamping threads are relatively troublesome to disassemble when being too tight.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a portable dismouting bypass valve of no card silk, only need insert during the bypass valve installation the back rotatory detain can, directly screw out during the dismantlement, the installation is dismantled conveniently, and is with low costs.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a thread-clamping-free convenient dismounting bypass valve comprises a shell and a bypass valve, wherein the shell is made of a plastic material, the bypass valve is installed in a bypass cavity, the bypass valve comprises a bypass valve framework and a one-way valve installed at the lower end of the interior of the bypass valve framework, a bypass cavity bulge, a bypass cavity concave part and a bypass valve positioning hole are formed in the upper portion of the peripheral wall of the bypass cavity, the bypass cavity bulge and the bypass valve positioning hole are distributed in a staggered mode, the bypass cavity concave part is communicated with the bypass valve positioning hole, the upper end of the bypass cavity concave part penetrates through the upper end of the bypass cavity, a framework positioning convex part and a framework convex part are arranged on the outer wall of the upper portion of the bypass valve framework, the framework positioning convex part and the framework convex part are distributed in a staggered mode, the outer edge size of the framework positioning convex part is larger than that of the peripheral wall of the bypass cavity, and the outer edge size of the framework positioning convex part is smaller than that of the peripheral wall of the bypass cavity concave part, the framework positioning convex part can be switched and moved in the bypass cavity concave part and the bypass valve positioning hole, and when the framework positioning convex part is located in the bypass valve positioning hole, the framework convex part exceeds the bypass cavity and pushes against the bypass cavity to be convex.

And a chute is arranged on one side, away from the bypass valve positioning hole, of the bypass cavity concave part, the chute gradually inclines downwards from one end, away from the bypass valve positioning hole, to one end, close to the bypass valve positioning hole, of the chute, one end, away from the bypass valve positioning hole, of the chute is higher than one end, close to the bypass valve positioning hole, of the chute, one end, away from the bypass valve positioning hole, of the chute is the top end of the bypass cavity concave part, and one end, close to the bypass valve positioning hole, of the chute is the bottom end of the bypass cavity concave part.

The bypass valve framework comprises a bypass valve circulation cavity, a framework first sealing groove and a framework second sealing groove which are distributed at an upper interval and a lower interval are arranged on the outer wall of the bypass valve framework, the framework first sealing groove is located above the bypass valve circulation cavity, the framework second sealing groove is located below the bypass valve circulation cavity, and an O-shaped ring is arranged in the framework first sealing groove and the framework second sealing groove and keeps sealed with the bypass cavity.

The top of bypass valve skeleton is equipped with the skeleton head, and the skeleton head surpasss the upper end in bypass chamber, and the skeleton head is equipped with the head perforation that transversely runs through.

Check valve seal installation is in bypass valve skeleton inner wall lower extreme and check valve is located the below of bypass valve circulation chamber, and the check valve includes check valve gap, check valve base, check valve spring and check valve seal receptacle, check valve gap installs in the upper end of check valve base, check valve gap and check valve base all are equipped with the runner, and the runner and the bypass valve circulation chamber intercommunication of check valve gap, the both ends of check valve spring butt check valve gap and check valve seal receptacle respectively, thereby the check valve seal receptacle receives the butt of check valve spring and laminates the check valve base thereby cut off the runner of check valve gap and the runner of check valve base, and the runner of check valve gap and the runner intercommunication of check valve base under the upwards jack-up state of check valve seal receptacle.

The one-way valve cover comprises an inner valve cover ring portion and an outer valve cover ring portion which are concentrically distributed inside and outside, the inner valve cover ring portion and the inner valve cover ring portion are connected through valve cover connecting strips which are circumferentially and uniformly distributed, the inner valve cover ring portion and the valve cover connecting strips are matched to enclose a flow channel of the one-way valve cover, the one-way valve base comprises an inner base ring plate and an outer base ring plate which are concentrically distributed inside and outside, the inner base ring plate and the outer base ring plate are connected through base connecting strips which are circumferentially and uniformly distributed, and the flow channel of the one-way valve base is enclosed through the matching of the inner base ring plate, the outer base ring plate and the base connecting strips.

The upper end face of the outer annular plate of the base is provided with an upward convex sealing bulge, the one-way valve sealing seat comprises a spring seat, the spring seat is abutted by a one-way valve spring and abuts against the upper end face of the sealing bulge, and the spring seat is separated from the sealing bulge in an upward jacking state.

The check valve seal receptacle is including connecting in the spring holder and with the concentric seal receptacle guide arm of spring holder, and the outer fringe of seal receptacle guide arm is equipped with the guide arm rib, and the seal receptacle guide arm that is located the upper end passes the annular inner wall of valve gap inner ring portion and the outer fringe butt valve gap inner ring portion of guide arm rib, and the seal receptacle guide arm that is located the lower extreme passes the annular inner wall of base inner ring plate and the outer fringe butt base inner ring plate of guide arm rib.

The outer wall of the check valve base is provided with a check valve base sealing groove, a check valve base sealing ring is installed in the check valve base sealing groove, and sealing between the check valve base and the inner peripheral wall of the bypass valve framework is achieved through the check valve base sealing ring.

The casing includes inhalant canal, first water passageway, second water passageway and valve pocket, first water passageway, second water passageway switch the intercommunication with inhalant canal, and inhalant canal, first water passageway and second water passageway all communicate the valve pocket, by pass chamber intercommunication valve pocket, the intercommunication department of by pass chamber in the valve pocket lies in inhalant canal and first water passageway's even water route, the valve pocket passes through by-pass valve circulation chamber intercommunication second water passageway.

The utility model has the advantages that:

when the water pressure of the local heating system is greater than a set value, the pressure can be released from the one-way valve;

and secondly, during the installation of the bypass valve, the framework positioning convex part is aligned to the bypass cavity concave part and inserted into the bypass valve from top to bottom, after the limiting part is inserted from top to bottom, the bypass valve is rotated clockwise, the framework positioning convex part gradually extends into the bypass valve positioning hole, and meanwhile, the framework convex part exceeds the bypass cavity and supports against the bypass cavity, so that the bypass valve needs a certain force when being rotated anticlockwise, when the bypass valve is disassembled, the framework positioning convex part is separated from the bypass valve positioning hole and enters the bypass cavity concave part when the bypass valve is rotated anticlockwise, and finally, the framework positioning convex part is screwed out along the track of a chute, so that the installation and the disassembly are very convenient, and meanwhile, one wire clamping part is omitted.

Drawings

FIG. 1 is a perspective view of a three-way valve;

FIG. 2 is a partial exploded view of a three-way valve;

FIG. 3 is a top view of a three-way valve;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 6 is an enlarged view at C of FIG. 4;

FIG. 7 is a perspective view of the housing of the three-way valve;

FIG. 8 is an exploded view of the motor base and the three-way frame of the three-way valve in cooperation;

FIG. 9 is a cross-sectional view of a bypass valve of the present invention;

FIG. 10 is a perspective view of the bypass valve frame of the present invention;

fig. 11 is an exploded view of the check valve of the present invention;

fig. 12 is a perspective view of the one-way valve base of the present invention;

FIG. 13 is a perspective view of a clamp plate of the three-way valve;

FIG. 14 is a perspective view of the three-way valve mounted to the positioning plate;

FIG. 15 is an exploded view of the three-way valve housing, threaded fitting, and alignment plate in combination;

fig. 16 is a sectional view of the three-way valve mounted to the positioning plate.

In the figure: the water inlet structure comprises a shell 1, a water inlet channel 11, a first water outlet channel 12, a second water outlet channel 13, a bathroom water outlet channel 14, a bathroom water inlet channel 15, a plug hole 16, a valve cavity 17, a bypass cavity 18, a clamping screw hole 19, a bypass cavity bulge 110, a bypass cavity concave part 111, a chute 112, a bypass valve positioning hole 113, a valve lug 114, a valve core 2, a motor base 21, a motor base notch 211, a motor base sealing groove 212, a motor base clamping head 213, a motor base clamping screw channel 214, a spring cavity 215, an accommodating part 216, a three-way framework 22, a three-way framework clamping groove 221, a framework lower sealing groove 222, a framework upper sealing groove 223, a three-way framework circulation cavity 224, a three-way upper sealing ring 225, a three-way lower sealing ring 226, a framework upper sealing ring 227, a framework lower sealing ring 228, a valve rod 23, a bypass valve 3, a bypass valve framework 30, a framework head 31, a head perforation 32, a framework positioning convex part 33, a framework convex part 34, a first sealing groove 35, a water outlet channel 14, a bathroom water inlet channel 15, a plug hole 16, a valve cavity 16, a valve base, a motor base notch 211, a motor base notch, a motor base, Framework second sealing groove 36, bypass valve circulation cavity 37, plug 4, plug step 41, first plug sealing ring 42, second plug sealing ring 43, threaded joint 5, threaded portion 51, limiting portion 52, positioning abutting portion 53, abutting portion notch 531, threaded joint clamping channel 54, threaded joint sealing groove 55, threaded joint sealing ring 56, check valve 6, check valve cover 61, valve cover outer ring portion 611, valve cover inner ring portion 612, valve cover connecting strip 613, valve cover stepped portion 614, check valve base 62, check valve base sealing groove 621, base outer ring plate 622, base inner ring plate 623, base connecting strip 624, base convex edge 625, sealing protrusion 626, check valve spring 63, check valve base sealing ring 64, check valve sealing seat 65, spring seat 651, sealing seat guide rod 652, guide rod rib 653, spring groove 654, clamping plate 7, first clamping plate hole 700, second clamping plate hole 701, and clamping plate hole 55, The sealing device comprises a first spring 71, a second spring 711, a first sealing ring 72, a second sealing ring 721, a guide sleeve 73, a cover seat 74, a first snap ring 75, a second snap ring 751, a third snap ring 752, a top plate 76, a first sealing seat 77, a first sealing device 78, a second sealing seat 8, a second sealing device 81, a fourth snap ring 82, a fifth snap ring 83, a clamping wire 9, a positioning plate 91 and a positioning plate hole 911.

Detailed Description

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

as shown in fig. 1 to 16, a non-clamping-wire portable bypass valve for disassembly and assembly is one part of a three-way valve, the bypass valve includes a housing 1 and a bypass valve 3 made of a plastic material, the housing 1 includes a bypass chamber 18, the bypass valve 3 is mounted in the bypass chamber 18, the bypass valve 3 includes a bypass valve frame 30 and a one-way valve 6 mounted at the lower end inside the bypass valve frame 30, a bypass chamber protrusion 110, a bypass chamber recess 111 and a bypass valve positioning hole 113 are arranged at the upper part of the peripheral wall of the bypass chamber 18, the bypass chamber protrusion 110 and the bypass valve positioning hole 113 are distributed in a staggered manner, the bypass chamber recess 111 is communicated with the bypass valve positioning hole 113, and the number of the bypass chamber protrusion 110, the bypass chamber recess 111 and the bypass valve positioning hole 113 is two.

Bypass chamber 18 upper end is run through to the upper end of bypass chamber concave part 111, the upper portion outer wall of bypass valve skeleton 30 is equipped with skeleton location convex part 33 and skeleton convex part 34, skeleton location convex part 33 and the distribution of staggering of skeleton convex part 34, the quantity of skeleton location convex part 33 and skeleton convex part 34 also is two.

The outer edge dimension of the frame positioning protrusion 33 is larger than the peripheral wall dimension of the bypass chamber 18 and the outer edge dimension of the frame positioning protrusion 33 is smaller than the peripheral wall dimension of the bypass chamber recess 111, the outer edge of the frame positioning protrusion 33 is in clearance fit with the peripheral wall of the bypass chamber recess 111, the frame positioning protrusion 33 can move in the bypass chamber recess 111 and the bypass valve positioning hole 113 in a switching manner, and when moving clockwise (i.e., installing the bypass valve 3 in the bypass chamber 18) with reference to fig. 7, the frame positioning protrusion 33 moves from the bypass chamber recess 111 into the bypass valve positioning hole 113, and when moving counterclockwise (i.e., taking the bypass valve 3 out of the bypass chamber 18), the frame positioning protrusion 33 moves out of the bypass valve positioning hole 113 and enters the bypass chamber recess 111.

When the cage positioning protrusion 33 is located in the bypass valve positioning hole 113, the cage protrusion 34 goes beyond the bypass cavity protrusion 110 and the cage protrusion 34 abuts against the bypass cavity protrusion 110. The backbone projection 34 and the bypass cavity protrusion 110 are designed to be in interference fit for anti-reverse rotation, where the backbone projection 34 overrides the bypass cavity protrusion 110 means that the backbone projection 34 contacts and rotates past the bypass cavity protrusion 110 when rotating.

A chute 112 is arranged on one side of the bypass chamber concave part 111 far away from the bypass valve positioning hole 113, the chute 112 gradually inclines downwards from one end far away from the bypass valve positioning hole 113 to one end close to the bypass valve positioning hole 113, one end of the chute 112 far away from the bypass valve positioning hole 113 is higher than one end close to the bypass valve positioning hole 113, one end of the chute 112 far away from the bypass valve positioning hole 113 is the top end of the bypass chamber concave part 111, and one end of the chute 112 close to the bypass valve positioning hole 113 is the bottom end of the bypass chamber concave part 111. When the bypass valve 3 is installed, the bypass valve 3 can only align the framework positioning convex part 33 with the bypass cavity concave part 111 and insert from top to bottom, after inserting the limiting part (the limiting step part of the peripheral wall of the bypass cavity 18) from top to bottom, the bypass valve 3 is rotated clockwise, the framework positioning convex part 33 gradually extends into the bypass valve positioning hole 113, meanwhile, the framework convex part 34 exceeds the bypass cavity bulge 110 (namely, the framework convex part 34 contacts with the bypass cavity bulge 110 in the process of rotating relative displacement), because the framework convex part 34 abuts against the bypass cavity bulge 110, when the bypass valve 3 is rotated anticlockwise, a certain force is needed, and the outer walls of the framework convex part 34 and the bypass cavity bulge 110 are both arc-shaped. When the bypass valve 3 is rotated counterclockwise, the frame positioning convex part 33 is separated from the bypass valve positioning hole 113 and enters the bypass cavity concave part 111, and finally is screwed out along the track of the chute 112, so that the installation and the disassembly are very convenient, and a wire clamping part is omitted.

The shell 1 comprises a water inlet channel 11, a first water outlet channel 12, a second water outlet channel 13 and a valve cavity 17, the first water outlet channel 12 and the second water outlet channel 13 are in switching communication with the water inlet channel 11, the first water outlet channel 12 and the second water outlet channel 13 are all communicated with the valve cavity 17, the shell 1 comprises a bathroom water outlet channel 14 and a bathroom water inlet channel 15 which are communicated, when the water inlet channel 11 is communicated with the first water outlet channel 12, the water inlet channel 11 is not communicated with the second water outlet channel 13, and hot water is supplied to a floor heating system at the moment; when the water inlet channel 11 is communicated with the second water outlet channel 13, the water inlet channel 11 is not communicated with the first water outlet channel 12, at this time, hot water entering from the water inlet channel 11 flows through the heat exchanger through the second water outlet channel 13, cold water for supplying to the bathroom comes from the other end of the heat exchanger, exchanges heat with the hot water in the heat exchanger to raise the water temperature, the raised water enters the bathroom water inlet channel 15 after coming out of the heat exchanger, and then exits from the bathroom water outlet channel 14 to supply to the bathroom, and the prior art of the three-way valve is adopted, which is not described in detail herein. The water inlet passage 11 is directly communicated with the valve cavity 17, and the first water outlet passage 12 is positioned at the bottom of the valve cavity 17.

The bypass valve framework 30 comprises a bypass valve circulation cavity 37, a framework first sealing groove 35 and a framework second sealing groove 36 which are distributed at intervals are formed in the outer wall of the bypass valve framework 30, the framework first sealing groove 35 is located above the bypass valve circulation cavity 37, the framework second sealing groove 36 is located below the bypass valve circulation cavity 37, and an O-shaped ring is arranged in the framework first sealing groove 35 and the framework second sealing groove 36 and keeps sealed with the bypass cavity 18. The water from the valve chamber 17 can only communicate with the second water outlet passage 13 through the bypass valve flow chamber 37, and cannot leak upward or downward through the gap between the bypass valve frame 30 and the bypass chamber 18. The bypass cavity 18 is communicated with the valve cavity 17, the communication position of the bypass cavity 18 in the valve cavity 17 is located on the communication path between the water inlet channel 11 and the first water outlet channel 12, actually, the communication position of the bypass cavity 18 in the valve cavity 17 is located below the lower skeleton sealing ring 228, that is, the communication position of the bypass cavity 18 in the valve cavity 17 is located below the water inlet channel 11, and the valve cavity 17 is communicated with the second water outlet channel 13 through the bypass valve flow cavity 37.

The top end of bypass valve skeleton 30 is equipped with skeleton head 31, and skeleton head 31 surpasss the upper end of bypass chamber 18, and skeleton head 31 is equipped with the head perforation 32 that transversely runs through. The bypass valve 3 can be mounted and dismounted with the aid of a tool inserted into the head bore 32.

The check valve 6 is hermetically installed at the lower end of the inner wall of the bypass valve framework 30, the check valve 6 is located below the bypass valve circulation cavity 37, the check valve 6 comprises a check valve cover 61, a check valve base 62, a check valve spring 63 and a check valve sealing seat 65, the check valve cover 61 is installed at the upper end of the check valve base 62, the check valve cover 61 and the check valve base 62 are both provided with flow channels, the flow channel of the check valve cover 61 is communicated with the bypass valve circulation cavity 37, two ends of the check valve spring 63 are respectively abutted against the check valve cover 61 and the check valve sealing seat 65, the check valve sealing seat 65 is abutted against the check valve spring 63 and is attached to the check valve base 62, so that the flow channel of the check valve cover 61 is separated from the flow channel of the check valve base 62, and the flow channel of the check valve cover 61 is communicated with the flow channel of the check valve base 62 in a state that the check valve sealing seat 65 is jacked upwards.

The one-way valve cover 61 comprises a valve cover inner ring portion 612 and a valve cover outer ring portion 611 which are concentrically distributed inside and outside, the upper end of the valve cover outer ring portion 611 abuts against the step portion of the bypass valve framework 30, the valve cover outer ring portion 611 and the valve cover inner ring portion 612 are connected through valve cover connecting strips 613 which are uniformly distributed in the circumferential direction, the valve cover outer ring portion 611, the valve cover inner ring portion 612 and the valve cover connecting strips 613 are matched to enclose a flow channel of the one-way valve cover 61, the valve cover step portion 614 is arranged on the outer wall of the valve cover outer ring portion 611, and the one-way valve base 62 is assembled on the valve cover step portion 614 in an interference mode.

The check valve base 62 comprises a base inner ring plate 623 and a base outer ring plate 622 which are concentrically distributed inside and outside, the base inner ring plate 623 and the base outer ring plate 622 are connected through base connecting strips 624 which are uniformly distributed in the circumferential direction, and the base inner ring plate 623, the base outer ring plate 622 and the base connecting strips 624 are matched to enclose a flow channel of the check valve base 62. The outer edge of the upper end of the outer ring plate 622 of the base extends upward to form a base flange 625, and the base flange 625 is interference-fitted to the step 614 of the valve cover.

The upper end surface of the base outer ring plate 622 is provided with a sealing protrusion 626 protruding upwards, the check valve sealing seat 65 comprises a spring seat 651, the spring seat 651 is abutted by the check valve spring 63 and abuts against the upper end surface of the sealing protrusion 626, and the spring seat 651 is separated from the sealing protrusion 626 in an upwards jacking state.

When water normally flows to the second outlet passage 13 through the bypass valve passing chamber 37, the pressure of the water generated at the check valve 6 is downward, and the check valve 6 does not open. When the pressure of water in the floor heating system is too high, namely the water pressure in the pipeline after being discharged from the first water outlet channel 12 is too high, the water pressure can enter the bypass cavity 18 and upwards push open the one-way valve sealing seat 65, and at the moment, the water flows through the one-way valve 6 from bottom to top to be decompressed.

The one-way valve sealing seat 65 comprises a sealing seat guide rod 652 which is connected to a spring seat 651 and is concentric with the spring seat 651, a spring groove 654 is arranged on the upper end surface of the spring seat 651, the spring groove 654 is positioned on the periphery of the sealing seat guide rod 652, a one-way valve spring 63 is positioned on the periphery of the inner ring portion 612 of the valve cover, the upper end of the one-way valve spring 63 props against the valve cover connecting strip 613, the lower end of the one-way valve spring 63 props against the spring groove 654, a guide rod rib 653 is arranged on the outer edge of the sealing seat guide rod 652, and the cross section of the sealing seat guide rod 652 is in a quincunx shape.

The upper seal retainer guide 652 penetrates through the valve cover inner ring portion 612 and the outer edge of the guide rib 653 abuts against the annular inner wall of the valve cover inner ring portion 612, and the lower seal retainer guide 652 penetrates through the base inner ring plate 623 and the outer edge of the guide rib 653 abuts against the annular inner wall of the base inner ring plate 623. Because the cross-section of the seal holder guide 652 is quincunx, a flow passage of the one-way valve cover 61 is formed between the seal holder guide 652 and the valve cover inner ring portion 612, and a flow passage of the one-way valve base 62 is formed between the seal holder guide 652 and the base inner ring plate 623. The guide of the one-way valve seal holder 65 when moving up and down is facilitated by the provision of the guide bar rib 653.

The outer wall of check valve base 62 is equipped with check valve base seal groove 621, installs check valve base sealing washer 64 in check valve base seal groove 621, realizes the sealed between check valve base 62 and the bypass valve skeleton 30 internal perisporium through check valve base sealing washer 64.

In the three-way valve of this embodiment, the aperture of bathroom outlet channel 14 is made big, has just so reduced the centre-to-centre spacing between bathroom outlet channel 14 and the bathroom inlet channel 15, can accomplish bathroom outlet channel 14 and the direct connection of bathroom inlet channel 15, just so need not transversely set up the fabrication hole, has reduced a end cap and card silk, and the cost is reduced has also reduced a leakage hidden danger, has also reduced the water resistance simultaneously, has increased the flow. The threaded joint 5 is installed in the bathroom outlet channel 14, and on the premise that the outer ring is limited, the threaded joint 5 of the inner ring with various types can be adopted, for example: 1 cun and 3/4 cun.

Valve core 2 is installed to valve pocket 17, valve core 2 includes motor cabinet 21 and tee bend skeleton 22, motor cabinet 21 and tee bend skeleton 22 are made for the plastics material, and the lower extreme downwardly extending of motor cabinet 21 forms motor cabinet dop 213, the upper end of tee bend skeleton 22 is equipped with the tee bend skeleton draw-in groove 221 that supplies motor cabinet dop 213 to pack into from the side, motor cabinet 21 and tee bend skeleton 22 insert tee bend skeleton draw-in groove 221 through the cooperation of motor cabinet dop 213 and connect, the quantity of motor cabinet dop 213 is two and two motor cabinet dops 213 are a straight line and distribute, the quantity of tee bend skeleton draw-in groove 221 is two and two tee bend skeleton draw-in grooves 221 are a straight line and distribute, and two motor cabinet dops 213 correspond respectively and insert tee bend skeleton draw-in groove 221, tee bend skeleton draw-in groove 221 forms the spacing of upward displacement to motor cabinet dop 213. In the three-way valve of this embodiment, the motor base chuck 213 includes a portion with a large lower portion and a small upper portion, and the portion is inserted into the three-way skeleton slot 221 from the side surface and then cannot be pulled out of the motor base 21 upward, so that it is very convenient to take out the motor base 21 and the three-way skeleton 22 together, and the motor base 21 is directly lifted up without pushing up the bottom of the three-way skeleton 22.

One of the three-way framework clamping grooves 221 penetrates through the inner wall and the outer wall of the three-way framework 22, and the other three-way framework clamping groove 221 penetrates through the inner wall of the three-way framework 22. Therefore, when the motor base 21 is installed from the side surface, only the motor base chuck 213 needs to be transversely aligned with the three-way framework clamping groove 221 to be inserted until one of the motor base chucks 213 abuts against the three-way framework clamping groove 221 which does not penetrate through the outer wall of the three-way framework 22 and cannot advance, and the installation and the positioning are very convenient.

Three-way skeleton 22 is all located case 2, and motor cabinet 21 part is located case 2, and motor cabinet 21 upper end surpasss valve pocket 17.

The motor base 21 is connected with the shell 1 through a clamping wire 9. The casing 1 is provided with a clamping screw hole 19, and the clamping screw hole 19 in the three-way valve of the embodiment is designed to be waist-shaped, so that the assembly is convenient, and the manufacturing cost of the matched clamping screw 9 is reduced (the clamping screw hole in the prior art is circular). Motor cabinet 21 is equipped with motor cabinet card silk passageway 214 relative with card silk hole 19, card silk 9 penetrates card silk hole 19 and motor cabinet card silk passageway 214 and realizes being connected of motor cabinet 21 and casing 1. The motor base 21 and the three-way framework 22 of the embodiment are very convenient to disassemble.

The outer wall of motor cabinet 21 and the sealed cooperation of valve chamber 17 perisporium, the outer wall of motor cabinet 21 is equipped with motor cabinet seal groove 212, realizes the sealed between motor cabinet 21 and the 2 perisporium of case through the O shape circle of motor cabinet seal groove 212 department after motor cabinet 21 installs case 2.

The three-way framework 22 comprises an upper framework sealing ring 227 and a lower framework sealing ring 228 which are in sealing fit with the peripheral wall of the valve cavity 17, the upper framework sealing ring 227 and the lower framework sealing ring 228 are respectively and correspondingly located above and below the water inlet channel 11, an annular outer wall of the upper framework sealing ring 227 is provided with an upper framework sealing groove 223, an upper three-way sealing ring 225 is installed in the upper framework sealing groove 223, the upper three-way sealing ring 225 is in sealing fit with the valve cavity 17 and the upper framework sealing ring 227, an annular outer wall of the lower framework sealing ring 228 is provided with a lower framework sealing groove 222, a lower three-way sealing ring 226 is installed in the lower framework sealing groove 222, and the lower three-way sealing ring 226 is in sealing fit with the valve cavity 17 and the lower framework sealing ring 228. A three-way framework circulation cavity 224 is formed between the framework upper sealing ring 227 and the framework lower sealing ring 228, and water entering from the water inlet channel 11 directly enters the three-way framework circulation cavity 224 and then is selectively conducted upwards or downwards.

Valve core 2 includes valve rod 23, valve rod 23 passes motor cabinet 21 and tee bend skeleton 22's center and the upper end of valve rod 23 is located motor cabinet 21, and the valve rod 23 periphery cover that is located motor cabinet 21 is established and is provided the first spring 71 of pull-up force for valve rod 23, is equipped with spring chamber 215 in the motor cabinet 21, and first spring 71 is located spring chamber 215, and motor cabinet 21 is including holding portion 216, and valve rod 23 passes the upper end center of holding portion 216, cardboard 7 is installed to valve rod 23 outer wall, and cardboard 7 is equipped with the first cardboard hole 700 and the second cardboard hole 701 of intercommunication, and wherein the aperture of first cardboard hole 700 is greater than the external diameter of valve rod 23, and the aperture of second cardboard hole 701 matches with the draw-in groove aperture of valve rod 23, and valve rod 23 inserts first cardboard hole 700 earlier, and then it can to move to second cardboard hole 701 and support the draw-in groove hole of valve rod 23. The upper end of the first spring 71 abuts against the lower end of the catch plate 7, and the lower end of the first spring 71 abuts against the periphery of the accommodating part 216 of the motor base 21. The first spring 71 always has a force of pushing the catch plate 7 upwards, i.e. the first spring 71 always pushes the valve rod 23 upwards, in this state, the second sealing device 81 can always firmly seal the framework lower sealing ring 228.

The valve rod 23, which passes out of the lower part of the motor base 21, is provided with a sealing ring which blocks the fluid from flowing upwards towards the first spring 71. The sealing rings comprise a first sealing ring 72 and a second sealing ring 721 which are distributed at intervals up and down, the lower end of the containing part 216 is open, the containing part 216 is internally provided with the first sealing ring 72, a guide sleeve 73, the second sealing ring 721 and a first snap ring 75 from top to bottom in sequence, the first sealing ring 72, the guide sleeve 73, the second sealing ring 721 and the first snap ring 75 are distributed concentrically, the guide sleeve 73 is made of polytetrafluoroethylene, the friction resistance is small, the guide sleeve 73 is in clearance fit with the valve rod 23, the guide sleeve 73 plays a guiding role, the inner annular walls of the first sealing ring 72 and the second sealing ring 721 are in interference fit with the outer wall of the valve rod 23, the outer annular walls of the first sealing ring 72 and the second sealing ring 721 are in interference fit with the inner wall of the containing part 216, the upper end of the first sealing ring 72 abuts against the inner upper wall of the containing part 216, the lower end of the first sealing ring 72 abuts against the upper end of the guide sleeve 73, the upper end of the second sealing ring 721 abuts against the lower end of the guide sleeve 73, the lower end of the second sealing ring 721 is abutted against the upper end of the first snap ring 75, so that the upper and lower parts of the first sealing ring 72 and the second sealing ring 721 are limited and cannot move, water below cannot enter the spring cavity 215 from a gap between the accommodating part 216 and the valve rod 23, the first spring 71 cannot contact water, the reliable work of the first spring 71 is ensured, and the service life of the first spring 71 is prolonged.

A cap seat 74 is connected to the lower end of the receiving portion 216, the valve rod 23 passes through the cap seat 74, and the valve rod 23 is in clearance fit with the cap seat 74. The cover seat 74 is provided to reduce a water inlet space of an outer wall of the valve stem 23, and the cover seat 74 and the receiving portion 216 are connected by a snap fit.

The valve rod 23 is provided with a second snap ring 751 and a third snap ring 752 which are vertically distributed at intervals on the outer wall, a top plate 76, a second spring 711 and a first sealing seat 77 are arranged between the second snap ring 751 and the third snap ring 752, the upper end of the top plate 76 is abutted against the second snap ring 751, and the first sealing seat 77 is abutted against the third snap ring 752 downwards under the action of the second spring 711. The lower end and the periphery of the first sealing seat 77 are covered with a first sealing device 78, the first sealing device 78 is made of rubber, and the valve rod 23 penetrates through the top plate 76, the second spring 711, the first sealing seat 77 and the first sealing device 78. The first seal seat 77 is pressed against the third clamp ring 752 substantially as follows: the first sealing device 78 is urged downward against the third collar 752 by the force of the second spring 711.

The outer wall of the valve rod 23 is further provided with a fourth snap ring 82 and a fifth snap ring 83, a second sealing device 81 and a second sealing seat 8 are arranged between the fourth snap ring 82 and the fifth snap ring 83, the upper end and the outer side of the second sealing seat 8 are coated with the second sealing device 81, the second sealing device 81 is made of rubber, the valve rod 23 penetrates through the second sealing device 81 and the second sealing seat 8, the upper end of the second sealing device 81 abuts against the fourth snap ring 82, and the lower end of the second sealing seat 8 abuts against the fifth snap ring 83.

The inner edge of the upper end of the framework upper sealing ring 227 forms an inclined part, the outer edge of the lower end of the first sealing device 78 also forms an inclined part, the inclined part of the first sealing device 78 moves downwards to abut against the inclined part of the framework upper sealing ring 227, and the framework upper sealing ring 227 and the first sealing device 78 are matched and sealed through the inclined part. The lower end inner edge of the framework lower sealing ring 228 forms an inclined part, the upper end outer edge of the second sealing device 81 also forms an inclined part, the inclined part of the second sealing device 81 moves upwards to abut against the inclined part of the framework lower sealing ring 228, and the framework lower sealing ring 228 and the second sealing device 81 are matched and sealed through the inclined part. The cooperation of the inclined part at the position can improve the sealing effect, reduce the flow resistance simultaneously, improve the flow.

The first sealing means 78 is disposed to communicate with the water inlet passage 11 and the first water outlet passage 12 when abutting against the upper skeleton sealing ring 227, and the second sealing means 81 is disposed to communicate with the water inlet passage 11 and the second water outlet passage 13 when abutting against the lower skeleton sealing ring 228, which is a prior art means.

Motor cabinet 21 installs the motor (this type of motor is the prior art in three-way valve field, and motor output turns into linear motion, and the concrete principle is that the motor rotates, drives inside cam and rises to reciprocate), and valve rod 23 is connected to the motor output. When the stroke of the motor is slightly larger than that of the first sealing seat 77, because the first sealing seat 77 is already in place against the sealing ring 227 on the framework, the redundant stroke generated by the motor can make the valve rod 23 slide downwards and drive the top plate 76 to slide downwards a little, and the second spring 711 is slightly compressed, the second spring 711 shows a valve sealing force at ordinary times (the same principle as the first spring 71), and the second spring 711 shows a buffering force when the stroke of the motor exceeds the limit.

The motor drives the valve rod 23 to descend, so that the second sealing device 81 does not seal the lower framework sealing ring 228 any more, water can flow through the valve port at the position after the valve port is opened a little, the water resistance is small, and the efficiency is high. And because the lower end of the second sealing seat 8 is not propped by a spring, the pressure resistance is small when the motor works.

A plug hole 16 is formed in one side of the shell 1, the plug hole 16 is communicated with the bypass cavity 18 and the second water outlet channel 13, the plug hole 16 is plugged by a plug 4, the plug 4 comprises a plug step 41, and a first plug sealing ring 42 and a second plug sealing ring 43 are sleeved on the outer wall of the plug 4, wherein the first plug sealing ring 42 is used for inner diameter sealing, namely the first plug sealing ring 42 is used for sealing the inner peripheral wall of the plug hole 16. The second plug sealing ring 43 is used for end face sealing, i.e. the second plug sealing ring 43 is used for sealing the outer end face of the plug bore 16. The setting of this twice sealing washer guarantees that end cap 4 can not leak (adopt the card silk to connect among the prior art, direct bolted connection in this embodiment, and sealing reliability is better).

Motor cabinet breach 211 is equipped with on one side of the upper end of motor cabinet 21, the length of motor cabinet breach 211 is more than or equal to motor cabinet 21 upper end open-ended diameter. Like this dismantle all can with the motor along motor cabinet breach 211 sideslip when installing the motor and pack into, saved the space for the overall height of three-way valve descends 10mm, and this motor cabinet breach 211's height of locating is 10mm promptly.

First outlet passage 12 and bathroom outlet passage 14 all are connected with screwed joint 5 through card silk 9, and first outlet passage 12 and bathroom outlet passage 14 department all are equipped with card silk hole 19, screwed joint 5 suit is in locating plate 91, locating plate 91 is equipped with locating plate hole 911, and locating plate hole 911 is the non-circular hole, screwed joint 5 includes the spacing portion 52 that matches with locating plate hole 911, and locating plate hole 911 and spacing portion 52 are regular hexagon in this embodiment.

The threaded joint 5 further includes a threaded portion 51 located below the limiting portion 52 and a positioning abutting portion 53 located above the limiting portion 52, a lower end face of the positioning abutting portion 53 abuts against an upper end face of the positioning plate 91, in this embodiment, the bottom end of the housing 1 and the bottom end of the positioning abutting portion 53 may be at the same height or not, the two ends are at the same height, the two ends are jointly abutted against an upper end face of the positioning plate 91 when the two ends are at the same height, the two ends are at lower heights and are abutted against an upper end face of the positioning plate 91, and the upper end of the positioning abutting portion 53 is abutted against a step portion in the housing 1 during installation.

The limiting part 52 penetrates through the positioning plate hole 911, the threaded joint 5 comprises a threaded joint clamping screw channel 54 for the clamping screw 9 to penetrate through, and the threaded joint clamping screw channel 54 is an annular groove. So that the chuck wire 9 always penetrates into the nipple chuck wire passage 54 regardless of the rotation of the nipple 5.

The outer wall of the threaded joint 5 is provided with a threaded joint sealing groove 55, a threaded joint sealing ring 56 is installed in the threaded joint sealing groove 55, the threaded joint sealing groove 55 is located above the threaded joint clamping channel 54, and sealing between the threaded joint 5 and the shell 1 is guaranteed through the threaded joint sealing ring 56.

The first water outlet channel 12 and the bathroom water outlet channel 14 have a protruding valve protrusion 114 on the peripheral wall, the outer wall of the threaded joint 5 has an abutting portion notch 531 corresponding to the valve protrusion 114, and the valve protrusion 114 extends into the abutting portion notch 531.

In the three-way valve of the present embodiment, the position restricting portion 52 is simply positioned with respect to the positioning plate 91, the threaded joint 5 is positioned with respect to the housing 1 by the valve projections 114 being fitted into the abutment notches 531, and when the clearance between the position restricting portion 52 and the positioning plate hole 911 is excessively large and the screwing force of the threaded joint 5 is excessively large, the abutment notches 531 can slide over the valve projections 114, and the screwing force is eventually applied to the position restricting portion 52 irrespective of the housing 1, so that the housing 1 is not damaged.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a convenient dismouting bypass valve of no card silk, includes casing (1) and bypass valve (3) of being made by the plastics material, casing (1) is including bypass chamber (18), install in bypass chamber (18) bypass valve (3), its characterized in that: the bypass valve (3) comprises a bypass valve framework (30) and a one-way valve (6) installed at the lower end inside the bypass valve framework (30), a bypass cavity bulge (110), a bypass cavity concave part (111) and a bypass valve positioning hole (113) are arranged at the upper part of the peripheral wall of the bypass cavity (18), the bypass cavity bulge (110) and the bypass valve positioning hole (113) are distributed in a staggered mode, the bypass cavity concave part (111) is communicated with the bypass valve positioning hole (113), the upper end of the bypass cavity concave part (111) penetrates through the upper end of the bypass cavity (18), a framework positioning convex part (33) and a framework convex part (34) are arranged on the outer wall of the upper part of the bypass valve framework (30), the framework positioning convex part (33) and the framework convex part (34) are distributed in a staggered mode, the outer edge size of the framework positioning convex part (33) is larger than the peripheral wall size of the bypass cavity (18) and the outer edge size of the framework positioning convex part (33) is smaller than the peripheral wall size of the bypass cavity concave part (111), the framework positioning convex part (33) can move in the bypass cavity concave part (111) and the bypass valve positioning hole (113) in a switching way, when the framework positioning convex part (33) is positioned in the bypass valve positioning hole (113), the framework convex part (34) exceeds the bypass cavity bulge (110), and the framework convex part (34) is abutted against the bypass cavity bulge (110).

2. The non-clamping portable dismounting bypass valve as recited in claim 1, characterized in that: a chute (112) is arranged on one side, away from the bypass valve positioning hole (113), of the bypass cavity concave portion (111), the chute (112) gradually inclines downwards from one end, away from the bypass valve positioning hole (113), to one end, close to the bypass valve positioning hole (113), of the chute (112), one end, away from the bypass valve positioning hole (113), of the chute (112) is higher than one end, close to the bypass valve positioning hole (113), one end, away from the bypass valve positioning hole (113), of the chute (112) is the top end of the bypass cavity concave portion (111), and one end, close to the bypass valve positioning hole (113), of the chute (112) is the bottom end of the bypass cavity concave portion (111).

3. The non-clamping portable dismounting bypass valve as recited in claim 1, characterized in that: bypass valve skeleton (30) are including bypass valve circulation chamber (37), and the outer wall of bypass valve skeleton (30) is equipped with upper and lower interval distribution's the first seal groove of skeleton (35) and skeleton second seal groove (36), and the first seal groove of skeleton (35) is located the top of bypass valve circulation chamber (37), and skeleton second seal groove (36) are located the below of bypass valve circulation chamber (37), and the O shape circle keeps sealed with bypass chamber (18) in the first seal groove of skeleton (35) and skeleton second seal groove (36) are equipped with.

4. The non-clamping portable dismounting bypass valve as recited in claim 1, characterized in that: the top of bypass valve skeleton (30) is equipped with skeleton head (31), and skeleton head (31) surpasss the upper end in bypass chamber (18), and skeleton head (31) are equipped with head perforation (32) that transversely run through.

5. The non-clamping portable dismounting bypass valve as recited in claim 3, characterized in that: the check valve (6) is hermetically arranged at the lower end of the inner wall of the bypass valve framework (30), the check valve (6) is positioned below the bypass valve circulation cavity (37), the check valve (6) comprises a check valve cover (61), a check valve base (62), a check valve spring (63) and a check valve sealing seat (65), the check valve cover (61) is arranged at the upper end of the check valve base (62), the check valve cover (61) and the check valve base (62) are respectively provided with a flow passage, the flow passage of the check valve cover (61) is communicated with the bypass valve circulation cavity (37), two ends of the check valve spring (63) are respectively abutted against the check valve cover (61) and the check valve sealing seat (65), the check valve sealing seat (65) is abutted against the check valve spring (63) and attached to the check valve base (62), so that the flow passage of the check valve cover (61) is separated from the flow passage of the check valve base (62), the flow channel of the one-way valve cover (61) is communicated with the flow channel of the one-way valve base (62) in the state that the one-way valve sealing seat (65) is jacked upwards.

6. The non-clamping portable dismounting bypass valve as recited in claim 5, characterized in that: the check valve cover (61) comprises a valve cover inner ring portion (612) and a valve cover outer ring portion (611) which are concentrically distributed inside and outside, the valve cover outer ring portion (611) and the valve cover inner ring portion (612) are connected through valve cover connecting strips (613) which are uniformly distributed in the circumferential direction, the valve cover outer ring portion (611), the valve cover inner ring portion (612) and the valve cover connecting strips (613) are matched to form a flow channel of the check valve cover (61), the check valve base (62) comprises a base inner ring plate (623) and a base outer ring plate (622) which are concentrically distributed inside and outside, the base inner ring plate (623) and the base outer ring plate (622) are connected through base connecting strips (624) which are uniformly distributed in the circumferential direction, and the base inner ring plate (623), the base outer ring plate (622) and the base connecting strips (624) are matched to form a flow channel of the check valve base (62).

7. The non-clamping portable dismounting bypass valve as recited in claim 6, characterized in that: the upper end face of the outer ring plate (622) of the base is provided with an upward convex sealing bulge (626), the one-way valve sealing seat (65) comprises a spring seat (651), the spring seat (651) is abutted by a one-way valve spring (63) and butts against the upper end face of the sealing bulge (626), and the spring seat (651) is separated from the sealing bulge (626) in an upward jacking state.

8. The non-clamping portable dismounting bypass valve as recited in claim 7, characterized in that: the check valve sealing seat (65) comprises a sealing seat guide rod (652) which is connected to a spring seat (651) and is concentric with the spring seat (651), a guide rod rib (653) is arranged at the outer edge of the sealing seat guide rod (652), the sealing seat guide rod (652) positioned at the upper end penetrates through the valve cover inner ring portion (612) and the outer edge of the guide rod rib (653) is abutted against the annular inner wall of the valve cover inner ring portion (612), and the sealing seat guide rod (652) positioned at the lower end penetrates through the base inner ring plate (623) and the outer edge of the guide rod rib (653) is abutted against the annular inner wall of the base inner ring plate (623).

9. The non-clamping portable dismounting bypass valve as recited in claim 5, characterized in that: the outer wall of check valve base (62) is equipped with check valve base seal groove (621), installs check valve base sealing washer (64) in check valve base seal groove (621), realizes through check valve base sealing washer (64) that the sealing between check valve base (62) and bypass valve skeleton (30) internal perisporium.

10. The non-clamping portable dismounting bypass valve as recited in claim 3, characterized in that: casing (1) includes inhalant canal (11), first water passageway (12), second water passageway (13) and valve pocket (17), inhalant canal (12), second water passageway (13) and inhalant canal (11) switch the intercommunication, and inhalant canal (11), first water passageway (12) and second water passageway (13) all communicate valve pocket (17), by pass pocket (18) intercommunication valve pocket (17), by pass pocket (18) are located inhalant canal (11) and the even logical water way of first water passageway (12) in the intercommunication department of valve pocket (17), valve pocket (17) communicate second water passageway (13) through flow cavity (37).