CN116066586A

CN116066586A - Valve for tap water inlet main way

Info

Publication number: CN116066586A
Application number: CN202310354670.2A
Authority: CN
Inventors: 王春元; 王增波; 张明德; 庄金春; 马宗斌
Original assignee: Qingdao Kaiyuan Valve Co ltd
Current assignee: Qingdao Kaiyuan Valve Co ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-05-05
Anticipated expiration: 2043-04-06
Also published as: CN116066586B

Abstract

The invention discloses a valve for a tap water inlet main way, and particularly relates to the technical field of valves, comprising a valve seat; a connecting pipe; a valve body; a valve cover; a valve stem; a protruding portion; a sealing slide block; an elastic opening sleeve; a notch; the arc notch drives the elastic stretching sleeve to elastically stretch and deform. When closing a switch, the valve rod is screwed on the valve cover and drives the sealing slide block to move downwards, so that the elastic stretching sleeve can be gradually stretched by the stretching piece until the outer periphery of the elastic stretching sleeve is tightly propped against the arc-shaped notch, the outer periphery of the elastic stretching sleeve is sealed against the surface of the arc-shaped notch, the communication state between the two connecting pipes can be blocked, the closing of the valve is realized, the acting force of the hydraulic acting force on the elastic stretching sleeve is counteracted by the stretching piece, the threaded connection of the valve rod and the valve cover is not influenced, and the phenomenon of 'tooth rot' of a threaded part is avoided.

Description

Valve for tap water inlet main way

Technical Field

The invention relates to the technical field of valves, in particular to a valve for a tap water inlet main way.

Background

The valve is a pipeline accessory for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters (temperature, pressure and flow rate) of a conveying medium.

The valve in the present running water intake main way is screwed on the valve body through the valve rod, and then drive the valve plate to move down and seal the water inlet, make the valve body both ends disconnection, because the valve plate surface becomes the plane, bear the water pressure in the intake main way after probably can produce great extrusion force to the valve plate, and then cause the valve plate crooked, influence the sealed effect to the water inlet, valve rod threaded connection in the valve body in the present valve in addition, the valve rod lower extreme extends to in the valve body and is connected with the valve plate, when the valve is closed, the valve plate bears the water pressure in the pipeline great this moment, hydraulic effort is transmitted to the valve rod, cause the external screw thread on the valve rod and the internal screw thread on the valve body resistance when the screw thread is screwed is great, make the screw tooth probably produce the rotten tooth phenomenon, over time, the valve rod can't smoothly screw on the valve body closes, influence the floodgate that opens and shuts of valve.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a valve for a tap water inlet main way, which aims to solve the technical problems that: after the valve plate in the valve in the prior art bears large water pressure for a long time, deformation and bending can possibly occur, so that the sealing effect on the water inlet pipeline is affected, in addition, after the valve is closed, the acting force of the water pressure born by the valve plate is large, and the acting force is directly transmitted to the threaded part of the valve rod and the valve body, so that the phenomenon of tooth erosion can be caused on threads in the threaded part, and the opening and closing of the valve rod are affected.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a valve for running water intake assembly way, including disk seat and through connection in the connecting pipe at disk seat both ends, be equipped with the valve body on the disk seat, the valve gap is installed at the valve body top, just the valve rod is worn to be equipped with by the screw thread on the valve gap, still includes:

the protruding parts are fixedly connected in the valve seat and are respectively communicated with the two connecting pipes, and the end parts of the protruding parts extend to the inner cavity of the valve seat;

the sealing slide block is clamped in the valve body and forms sliding fit with the interior of the valve body, a connecting rod is coaxially and rotatably arranged on the sealing slide block in a penetrating manner, and the upper end of the connecting rod penetrates out of the sealing slide block and is coaxially and rotatably connected with one end of the valve rod extending into the valve body;

the elastic opening sleeve is coaxially fixedly connected to the lower surface of the sealing sliding block, the outer diameter of the elastic opening sleeve is gradually decreased from top to bottom, the elastic opening sleeve is hollow, two notches are symmetrically formed in the outer periphery of the elastic opening sleeve along the axial direction of the elastic opening sleeve, an arc notch is formed in one end face of the protruding portion, which faces the elastic opening sleeve, of the elastic opening sleeve, the two arc notches and the two connecting pipes are staggered, and when the sealing sliding block moves downwards, the elastic opening sleeve is driven by the opening piece to generate elastic opening deformation, so that the outer periphery of the elastic opening sleeve is clamped with the arc notch, and the two connecting pipes are closed, so that the valve is in a closing state.

As a further optimization of the above technical solution, the spreader includes:

the stop block is fixedly connected to the inner wall of the valve seat and corresponds to the elastic opening sleeve, and the upper end part of the stop block is provided with a round platform section with the outer diameter gradually increasing from top to bottom;

the elastic opening sleeve is coaxially arranged at the lower end part of the elastic opening sleeve and is matched with the conical groove of the round platform section, and when the elastic opening sleeve moves downwards, the round platform section is clamped with the inner wall of the conical groove and slides relatively, so that the elastic opening sleeve generates elastic opening deformation.

As a further optimization of the technical scheme, after the elastic stretching sleeve is stretched and deformed in place, the outer diameter and the size of the elastic stretching sleeve are consistent.

As a further optimization of the technical scheme, the sealing sliding block is provided with a heating piece, and the heating piece is used for heating the sealing sliding block when the valve is in the opening state.

As a further optimization of the above technical solution, the heat generating portion includes:

the elastic opening sleeve is arranged on the connecting rod in a sliding way, the driving shaft is arranged on the connecting rod in a sliding way, the end part of the driving shaft is exposed out of the lower end of the connecting rod, a sliding hole for sliding and inserting the driving shaft is formed in the connecting rod, when the elastic opening sleeve is elastically opened, the driving shaft is driven by the driving part to move downwards, and when the elastic opening sleeve is elastically contracted, the driving part drives the driving shaft to move upwards;

two cavities which are arranged in the sealing slide block and are axially and symmetrically arranged along the sealing slide block;

the sealing sliding block is arranged in the cavity in a sliding way, and is matched with the cavity in a sliding way, the rubber plate sequentially separates the inside of the cavity into a first storage cavity and a second storage cavity from outside to inside along the radial direction of the sealing sliding block, quicklime is stored in the first storage cavity, and heat conduction oil is stored in the second storage cavity;

the water storage bag is connected to the rubber plate and positioned in the first storage cavity;

the two sliding rods are horizontally arranged on the sealing sliding block in a sliding mode, the sliding rods penetrate into the sliding holes in a sliding mode, the sliding rods are connected with the upper end of the driving shaft through the connecting portions, one end, far away from the connecting rod, of each sliding rod penetrates into the second storage cavity, through holes, through which the sliding rods penetrate into the second storage cavity, of each sliding rod freely pass through, and needles are arranged at one end, penetrating into the through holes, of each sliding rod.

As a further optimization of the above technical scheme, the driving part comprises two first hinge rods hinged to two opposite sides of the lower end of the driving shaft respectively, and one end of each first hinge rod, which is far away from the driving shaft, is correspondingly hinged to the inner walls of two opposite sides of the conical groove on the elastic opening sleeve.

As a further optimization of the above technical solution, the connecting portion includes:

the end part of the sliding rod can freely penetrate between the two fixed plates;

the sliding pin penetrates through the sliding rod and is far away from the sliding pin on one end of the sealing sliding block, a kidney-shaped hole for inserting the sliding pin is formed in the fixing plate, an included angle is formed between the length direction of the kidney-shaped hole and the axial direction of the driving shaft, and when the driving shaft moves upwards, the sliding pin slides in the kidney-shaped hole and can drive the sliding rod to move towards the inner side direction of the sealing sliding block.

As a further optimization of the technical scheme, one end of the connecting rod penetrating out of the sealing sliding block is sleeved with the sliding ring in a sliding manner, the upper end face of the sliding ring is provided with the buffer pad, the buffer pad is coaxially connected with the sealing pad, the outer diameter of the sealing pad is gradually decreased in a direction away from the sliding ring, a conical hole for clamping and installing the sealing pad is coaxially arranged on the lower end face of the sealing sliding block, and after the elastic stretching sleeve elastically contracts, the sliding ring is driven by the abutting part to move upwards, so that the sealing pad is gradually decreased and installed in the conical hole.

As a further optimization of the above technical scheme, the abutting part comprises two second hinge rods hinged to the two first hinge rods respectively, and the upper ends of the second hinge rods are correspondingly hinged to two opposite sides of the sliding ring.

The invention has the technical effects and advantages that:

through setting up seal slide block, elastic stretching sleeve and stretching piece, when closing a floodgate, the valve rod is screwed on the valve gap, and drive seal slide block move down, make elastic stretching sleeve can be stretched by stretching piece gradually, until the outer periphery of elastic stretching sleeve is tight with the arc breach, the outer periphery of elastic stretching sleeve is sealed with the interface of arc breach surface, and then can make the communication state between two connecting pipes cut off, realize closing a floodgate of valve, because the outer periphery of elastic stretching sleeve forms the arc shape, when making the hydraulic force act on elastic stretching sleeve surface, can not cause elastic stretching sleeve surface to produce stress concentration, and the hydraulic force offsets the effort of elastic stretching sleeve through stretching piece, make can not produce the influence to the threaded connection of valve rod and valve gap, and avoid producing "rotten tooth" phenomenon to the screw thread part;

by arranging the spreading member, the spreading member gradually spreads the elastic spreading sleeve along with the downward movement of the elastic spreading sleeve until the outer periphery of the elastic spreading sleeve is abutted against the surface of the arc-shaped notch, so that the surface of the elastic spreading sleeve and the surface of the arc-shaped notch can be prevented from sliding up and down, and the surface of the arc-shaped notch and/or the peripheral surface of the elastic spreading sleeve are/is worn, thereby affecting the sealing effect on the valve seat;

through setting up the portion that generates heat, when the valve is in the state of opening the floodgate, the ambient temperature that the valve was located is lower, carries out voluntarily initiative heating by the portion that generates heat to seal the slider, makes the heat on the seal slider can transmit to seal slider surface everywhere, prevents that seal slider and valve body inner chamber wall from producing the ice layer, and then influences the valve and close a floodgate;

when the valve is opened, the elastic stretching sleeve is reset by elastic stretching deformation, namely, the elastic stretching sleeve is changed into elastic shrinkage deformation from the elastic stretching deformation until the elastic stretching sleeve is reset to an original state, in the process, the shrinkage of the elastic stretching sleeve drives the first hinge rod to swing, so that the first hinge rod can drive the driving shaft to move upwards, the sliding rod moves towards the radial outer side of the sealing sliding block, in addition, when the air temperature is reduced, the heat conducting oil in the second storage cavity is shrunk by the cooling volume, and then the rubber plate is driven to move towards the sliding rod, so that the sliding rod and the water storage bag move relatively close to each other, the puncture needle can puncture the water storage bag, water in the water outlet bag leaks from the position where the water storage bag is punctured by the puncture needle, is contacted with quicklime in the first storage cavity, heat is generated through the chemical reaction of the quicklime and the water, the sealing sliding block is heated, and the heat is transferred to the connecting surface of the sealing sliding block and the inner cavity wall of the valve body, and thus the ice layer of the inner cavity wall of the valve body can be melted, and the valve cannot be closed is prevented;

through setting up sliding ring, blotter and rubber pad, when the valve switch-off, first hinge pole drives the second hinge pole and upwards moves for the sliding ring upwards moves, and then produces the extrusion to the blotter, under the effect of extrusion force, can make the rubber pad support tightly to install in the circular conical bore, and make rubber pad and connecting axle outer fringe in close contact, when the state of switch-off like this, the water in the running water pipeline can not leak to the valve body through the clearance of drive shaft with sealed slider in, in addition when closing a floodgate, the tight power of support that the rubber pad received reduces, and the rubber pad can not be in the tight state of support all the time like this, reduces the deformation of rubber pad.

Drawings

FIG. 1 is a schematic diagram of a valve for a tap water inlet manifold according to the present invention;

FIG. 2 is a schematic cross-sectional view of the structure of FIG. 1;

FIG. 3 is a schematic front view of the structure of FIG. 1;

FIG. 4 is a schematic cross-sectional view of the structure of FIG. 3;

FIG. 5 is an enlarged schematic view of a partial structure at A in FIG. 4;

FIG. 6 is an enlarged schematic view of a partial structure at B in FIG. 4;

FIG. 7 is an exploded schematic view of a valve for a tap water intake manifold according to the present invention;

FIG. 8 is a schematic view of the connection state of the valve rod and the sealing slide block in the present invention;

FIG. 9 is a schematic cross-sectional view of the valve stem of FIG. 8 with the valve stem omitted;

FIG. 10 is a schematic view showing the connection state of the valve body, the valve seat and the connecting pipe according to the present invention;

FIG. 11 is a schematic partial cross-sectional view of the structure of FIG. 10;

FIG. 12 is a schematic view of the structure of the elastic spreader sleeve of the present invention;

FIG. 13 is a schematic cross-sectional view of the structure of FIG. 12;

FIG. 14 is a schematic view of the bottom angle of the structure of FIG. 12;

FIG. 15 is a schematic view of the structure of the driving shaft according to the present invention;

FIG. 16 is a schematic view of a slide bar according to the present invention;

FIG. 17 is a schematic diagram of the connection state of the rubber plate and the water storage bag in the invention;

FIG. 18 is a schematic view showing the connection state of the sliding ring, the cushion pad and the rubber pad according to the present invention.

The reference numerals are:

the valve comprises a valve rod, a 2-valve cover, a 3-valve body, a 4-valve seat, a 5-connecting pipe, a 6-stop block, a 7-elastic supporting sleeve, a 8-connecting rod, a 9-sealing sliding block, a 10-protruding part, a 11-driving shaft, a 12-fixing plate, a 13-sliding pin, a 14-kidney-shaped hole, a 15-sliding rod, a 16-water storage bag, a 17-first storage cavity, a 18-rubber plate, a 19-second storage cavity, a 20-sliding ring, a 21-second hinge rod, a 22-conical groove, a 23-first hinge rod, a 24-cushion, a 25-sealing gasket, a 26-notch, a 27-pricking needle, a 28-arc notch, a 29-adhesive tape and a 30-sliding hole.

Detailed Description

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

As shown in fig. 1-18, the present invention provides: the utility model provides a valve for running water intake way, includes disk seat 4 and link up in the connecting pipe 5 at disk seat 4 both ends, is equipped with valve body 3 on the disk seat 4, and valve gap 2 is installed at valve body 3 top, and valve gap 2 passes through mounting screw connection at the top of valve body 3, and the screw thread wears to be equipped with valve rod 1 on the valve gap 2, specifically, is equipped with the external screw thread on the valve rod 1, has seted up on the valve gap 2 with external screw thread complex internal screw thread, this valve still includes:

the protruding parts 10 are fixedly connected in the valve seat 4 and are respectively communicated with the two connecting pipes 5, the end parts of the protruding parts 10 extend to the inner cavity of the valve seat 4, specifically, the protruding parts 10 can be connected to the inner cavity wall of the valve seat 4 in a welding mode or an integrated forming mode, and the inner hole size of the protruding parts 10 is consistent with the inner pipe diameter of the connecting pipes 5;

the sealing slide block 9 is clamped in the valve body 3 and forms sliding fit with the interior of the valve body 3, stainless steel materials can be preferentially selected as the materials of the sealing slide block 9, and a rubber ring can be sleeved on the outer periphery of the sealing slide block 9, so that the sealing effect between the sealing slide block 9 and the interior of the valve body 3 is good;

the elastic stretching sleeve 7 is coaxially fixedly connected to the lower surface of the sealing sliding block 9, the outer diameter of the elastic stretching sleeve 7 is sequentially reduced from top to bottom, 65Mn can be selected as a material of the elastic stretching sleeve 7, so that the elastic stretching sleeve 7 is relatively high in elasticity, the inner hollow of the elastic stretching sleeve 7 is penetrated out of the sealing sliding block and extends to the inner part of the elastic stretching sleeve 7, two notches 26 are symmetrically arranged on the outer periphery of the elastic stretching sleeve along the axial direction of the elastic stretching sleeve, the notches 26 are arranged, the elastic stretching sleeve 7 can generate elastic stretching deformation and/or elastic shrinkage deformation, an arc notch 28 is arranged on one end face of the protruding part 10 facing the elastic stretching sleeve 7, the two arc notches 28 are staggered with the two connecting pipes 5, when the sealing sliding block 9 moves downwards, the elastic stretching sleeve 7 is driven by the stretching member to generate elastic stretching deformation, the outer periphery of the elastic stretching sleeve 7 is further clamped with the arc notch 28, and the two connecting pipes 5 are closed, the valve is in a closing state, and in addition, the inner diameter of the arc notch is matched with the outer diameter of the elastic stretching sleeve 7.

In the valve for the tap water intake main way, when the valve is closed, the rotating handle at the upper end of the valve rod 1 is manually rotated, so that the valve rod 1 and the valve cover 2 are screwed together and drive the connecting rod 8 to move downwards, and when the connecting rod 8 moves downwards, the elastic expansion sleeve 7 is synchronously driven to move downwards until the elastic expansion sleeve contacts with the expansion piece, and as the elastic expansion sleeve 7 continuously moves downwards, the expansion piece drives two parts of the elastic expansion sleeve 7 separated by the notch 26 to generate elastic expansion deformation along the radial outer side of the elastic expansion sleeve, the outer periphery of the elastic expansion sleeve 7 is abutted against the cambered surface of the cambered notch 28 of the protruding part 10, the outer periphery of the elastic expansion sleeve seals the opening part of the protruding part, and then the inside of the valve seat is in a disconnected state, namely, the valve is in a closed state, otherwise, when the valve is opened, the valve rod is reversely rotated, and then drives the elastic expansion sleeve to move upwards and is separated from contact with the expansion piece, at the moment, the expansion action of the elastic expansion sleeve is failed, the elastic expansion sleeve is changed into elastic shrinkage from the elastic expansion sleeve, or the elastic expansion sleeve is gradually reset, and the two parts can not enter the sealing slide block, and can enter the sealing state.

As shown in fig. 1 to 18, the spreader includes:

the stop block 6 is fixedly connected to the inner wall of the valve seat 4 and corresponds to the elastic opening sleeve 7, specifically, the stop block 6 can be connected in a welding mode, and the upper end part of the stop block 6 is provided with a round platform section with the outer diameter gradually increasing from top to bottom;

the cone groove 22 is coaxially arranged at the lower end part of the elastic opening sleeve 7 and matched with the cone groove 22, the outer diameter of the cone groove 22 is sequentially increased from top to bottom, and the maximum outer diameter is larger than that of the cone groove, so that when the elastic opening sleeve 7 moves downwards, the cone groove 7 is clamped with the inner wall of the cone groove 22 and slides relatively, and the elastic opening sleeve 7 generates elastic opening deformation.

In the valve for the tap water inlet main way, when the sealing slide block 9 moves downwards, the circular table section is contacted with the inner wall of the conical groove 22, the outer wall of the circular table section and the inner wall of the conical groove 22 slide relatively, the circular table section can generate extrusion force along the radial outer side of the elastic expansion sleeve on the inner wall of the conical groove 22, under the extrusion force, the elastic expansion sleeve is expanded by the circular table section, and after the elastic expansion sleeve is expanded, the outer periphery of the elastic expansion sleeve is propped against the arc-shaped gaps of the two protruding parts, so that the sealing effect on the valve seat is achieved.

As shown in fig. 1-18, after the elastic expansion sleeve 7 is elastically expanded and deformed in place, the outer diameter dimension of the elastic expansion sleeve is consistent.

In the valve for the tap water inlet main way, the arc-shaped notch is in good contact with the outer periphery of the elastic stretching sleeve after the elastic stretching sleeve is stretched, and the sealing effect is good.

As shown in fig. 1 to 18, the sealing slide 9 is provided with a heating element, and the heating element is used for heating the sealing slide 9 when the valve is in an open state.

In the valve for the tap water inlet main way, the inner wall of the valve body can be frozen in a low-temperature environment to influence the sliding of the sealing sliding block, so that the valve cannot be successfully closed for overhauling when the pipeline is overhauled in the low-temperature environment.

As shown in fig. 1 to 18, the heat generating portion includes:

the driving shaft 11 is coaxially and slidably arranged on the connecting rod 8 in a penetrating manner, the end part of the driving shaft 11 is exposed out of the lower end of the connecting rod 8, the connecting rod 8 is provided with a sliding hole 30 for sliding and inserting the driving shaft 11, the sliding hole 30 is in sliding fit with the driving shaft 11, the sliding hole 30 is in a blind hole form, when the elastic stretching sleeve 7 is elastically stretched, the driving shaft 11 is driven by the driving part to move downwards, and when the elastic stretching sleeve 7 is elastically contracted, the driving part drives the driving shaft 11 to move upwards;

two cavities which are arranged in the sealing slide block 9 and are symmetrically arranged along the axial direction of the sealing slide block 9;

the rubber plate 18 is clamped in the cavity in a sliding way and forms sliding fit with the cavity, the rubber plate 18 sequentially separates the inside of the cavity into a first storage cavity 17 and a second storage cavity 19 from outside to inside along the radial direction of the sealing sliding block 9, quicklime is stored in the first storage cavity 17, heat conduction oil is stored in the second storage cavity 19, and the heat conduction oil has the performances of thermal volume expansion and chilled volume contraction;

the water storage bag 16 is connected to the rubber plate 18 and is positioned in the first storage cavity 17, water with a certain pressure is stored in the water storage bag 16, so that the volume of the water storage bag 16 is expanded, specifically, the water storage bag 16 after water storage and volume expansion can be bound and connected to the rubber plate 18 through the adhesive tape 29, and the surface of the water storage bag 16 is in contact connection with the surface of the rubber plate 18;

the two sliding rods 15 on the sealing sliding block 9 are horizontally arranged in a sliding mode in a penetrating mode, the sliding rods 15 slidably penetrate into the sliding holes 30 and are connected with the upper end of the driving shaft 11 through the connecting portion, one end, far away from the connecting rod 8, of each sliding rod 15 penetrates into the second storage cavity 19, a penetrating hole through which one end, penetrating into the second storage cavity 19, of each sliding rod 15 freely passes is formed in the rubber plate 18, a penetrating needle 27 is arranged at one end, penetrating into the penetrating hole, of each sliding rod 15, and in an initial state, the end portion of each sliding rod 15 is located in the corresponding penetrating hole and can seal the corresponding first storage cavity and the corresponding second storage cavity.

In the valve for the tap water inlet main way, under the low-temperature environment, the heat conduction oil is contracted by the cold volume, and under the normal condition, the heat conduction oil is not easy to freeze, so that the rubber plate is driven to move towards the driving shaft under the action of hydraulic force, in addition, the valve is in an open state, the elastic opening sleeve drives the driving shaft 11 to move upwards through the driving part, the puncture needle moves close to the water storage bag, and the water storage bag and the puncture needle move relatively to increase the travel of the two, so that the puncture needle can contact the water storage bag and puncture the water storage bag in the low-temperature environment, the water in the water storage bag leaks into the first storage cavity through the punctured part of the water storage bag and contacts quicklime, heat is released through the reaction generated by the quicklime and the water, the heat is transferred to the surface of the sealing slide block, the sealing slide block and the inner cavity wall of the valve body can be melted with ice, and the sealing slide block cannot slide smoothly, and the valve closing maintenance is prevented.

As shown in fig. 1-18, the driving part includes two first hinge rods 23 hinged to two opposite sides of the lower end of the driving shaft 11, one end of the first hinge rod 23 away from the driving shaft 11 is correspondingly hinged to two opposite side inner walls of the conical groove 22 on the elastic stretching sleeve 7, small ear blocks are welded on the inner walls of the elastic stretching sleeve 7, the end of the first hinge rod 23 is hinged to the small ear blocks through a small mounting shaft, the lower end of the driving shaft 11 is welded with the ear blocks, and the other end of the first hinge rod 23 is hinged to the ear blocks through a short mounting shaft, so that the driving shaft 11 is hinged to the two first hinge rods 23.

In the valve for the tap water inlet main way, when the elastic stretching sleeve 7 is changed from the elastic stretching deformation to the elastic shrinkage deformation state, the inner wall of the elastic stretching sleeve 7 is shrunk and drives the first hinge rod 23 to swing, so that the driving shaft 11 can be driven to move upwards.

As shown in fig. 1 to 18, the connection portion includes:

the two fixing plates 12 are fixedly connected to the upper end of the driving shaft 11, the fixing plates 12 are welded on the driving shaft 11, the fixing plates 12 can freely penetrate into the sliding holes 30, and the end parts of the sliding rods 15 (corresponding to the radially inner ends of the sealing sliding blocks) can freely penetrate between the two fixing plates 12;

the sliding pin 13 penetrating through the sliding rod 15 and far away from one end of the sealing sliding block 9, that is, a pin hole for the sliding pin 13 to be tightly matched and installed is formed in the sliding rod 15, a kidney-shaped hole 14 for the sliding pin 13 to be inserted and combined is formed in the fixing plate 12, an included angle is formed between the length direction of the kidney-shaped hole 14 and the axial direction of the driving shaft 11, the included angle is not 90 degrees, in addition, the upper end of the length direction of the kidney-shaped hole 14 is obliquely arranged towards the radial inner side of the driving shaft 11, and when the driving shaft 11 moves upwards, the sliding pin 13 slides in the kidney-shaped hole 14 and can drive the sliding rod 15 to move towards the inner side direction of the sealing sliding block 9.

In the valve for the tap water inlet main way, when the valve is opened, the driving shaft 11 is driven to move upwards, and when the driving shaft 11 moves upwards, the sliding pin 13 slides in the kidney-shaped hole 14 towards the lower end of the kidney-shaped hole 14 in the length direction, so that the sliding rod 15 can move towards the radial outer side direction of the sealing sliding block 9.

As shown in fig. 1-18, a sliding ring 20 is sleeved at one end of a connecting rod 8 penetrating through a sealing sliding block 9 in a sliding manner, a cushion 24 is arranged on the upper end face of the sliding ring 20, a sealing gasket 25 is coaxially connected to the cushion 24, the middle hole size of the sealing gasket 25 is matched with the outer diameter size of the connecting rod 8, the outer diameter of the sealing gasket 25 decreases gradually in a direction away from the sliding ring 20, a conical hole for clamping and installing the sealing gasket 25 is coaxially arranged on the lower end face of the sealing sliding block 9, and after the elastic stretching sleeve 7 elastically contracts, the sliding ring 20 is driven to move upwards by a propping part, so that the sealing gasket 25 is installed in the conical hole in a decreasing manner.

In the valve for the tap water inlet main way, when the elastic expansion sleeve elastically contracts, the abutting part drives the sliding ring 20 to move upwards, and generates axial extrusion force on the sealing gasket 25, so that the sealing gasket 25 is tightly contacted with the outer surface of the connecting rod 8, and the tightness of the connecting rod 8 and the sealing sliding block is improved.

As shown in fig. 1 to 18, the abutting portion includes two second hinge rods 21 respectively hinged to two first hinge rods 23, and upper ends of the second hinge rods 21 are correspondingly hinged to opposite sides of the sliding ring 20.

In the valve for the tap water inlet main way, when the elastic opening part is contracted, the first hinge rod swings and drives the driving shaft to move upwards, and meanwhile, the second hinge rod 21 is driven to move upwards, so that the sliding ring can squeeze the buffer pad, the buffer pad can squeeze the rubber pad, the rubber pad can be tightly contacted with the outer edge of the driving shaft through a certain degree of deformation, and the sealing effect of the driving shaft and the sealing sliding block is improved.

The foregoing is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the invention, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present invention.

Claims

1. The utility model provides a valve for running water intake way, including disk seat (4) and through connection in connecting pipe (5) at disk seat (4) both ends, be equipped with valve body (3) on disk seat (4), valve gap (2) are installed at valve body (3) top, just valve rod (1) are worn to be equipped with to screw thread on valve gap (2), its characterized in that still includes:

the protruding parts (10) are fixedly connected in the valve seat (4) and are respectively communicated with the two connecting pipes (5), and the end parts of the protruding parts (10) extend to the inner cavity of the valve seat (4);

the sealing sliding block (9) is clamped in the valve body (3) and forms sliding fit with the interior of the valve body (3), a connecting rod (8) is coaxially and rotatably arranged on the sealing sliding block (9), and the upper end of the connecting rod (8) penetrates out of the sealing sliding block (9) and is coaxially and rotatably connected with one end, extending into the valve body (3), of the valve rod (1);

the sealing slide block (9) is fixedly connected to the lower surface of the sealing slide block (9) coaxially, the outer diameter of the elastic stretching sleeve (7) is sequentially reduced from top to bottom, the elastic stretching sleeve (7) is hollow, two notches (26) are symmetrically formed in the outer periphery of the elastic stretching sleeve along the axial direction of the elastic stretching sleeve, an arc notch (28) is formed in one end face of the protruding portion (10) facing the elastic stretching sleeve (7), the two arc notches (28) are staggered with the two connecting pipes (5), and when the sealing slide block (9) moves downwards, the elastic stretching sleeve (7) is driven by a stretching piece to generate elastic stretching deformation, so that the outer periphery of the elastic stretching sleeve (7) is clamped with the arc notch (28), and accordingly the two connecting pipes (5) are sealed, and the valve is in a closing state.

2. A valve for a tap water inlet manifold as defined in claim 1, wherein said spreader member comprises:

the stop block (6) is fixedly connected to the inner wall of the valve seat (4) and corresponds to the elastic opening sleeve (7), and a round platform section with the outer diameter gradually increasing from top to bottom is arranged at the upper end part of the stop block (6);

the elastic opening sleeve is coaxially arranged at the lower end part of the elastic opening sleeve (7) and is matched with the conical groove (22) of the conical section, and when the elastic opening sleeve (7) moves downwards, the conical section is clamped with the inner wall of the conical groove (22) and slides relatively, so that the elastic opening sleeve (7) generates elastic opening deformation.

3. A valve for a tap water intake manifold according to claim 2, wherein the elastic-spreading sleeve (7) is in a uniform outer diameter dimension after elastic spreading deformation in place.

4. A valve for a tap water intake manifold according to claim 2, characterized in that the sealing slide (9) is provided with a heating element for heating the sealing slide (9) when the valve is in the open state.

5. The valve for a tap water inlet manifold of claim 4, wherein said heat generating portion comprises:

the elastic opening sleeve (7) is driven by the driving part to move downwards when being elastically opened, and the driving part drives the driving shaft (11) to move upwards when the elastic opening sleeve (7) elastically contracts;

two cavities which are arranged in the sealing slide block (9) and are axially and symmetrically arranged along the sealing slide block (9);

the rubber plate (18) is clamped in the cavity in a sliding way and forms sliding fit with the cavity, the rubber plate (18) sequentially separates the interior of the cavity into a first storage cavity (17) and a second storage cavity (19) from the outer side to the inner side along the radial direction of the sealing sliding block (9), quicklime is stored in the first storage cavity (17), and heat-conducting oil is stored in the second storage cavity (19);

a water storage bladder (16) connected to the rubber plate (18) and located within the first storage chamber (17);

the horizontal slip wears to locate two slide bars (15) on sealed slider (9), slide bar (15) slidably penetrate in slide hole (30), and with drive shaft (11) upper end is connected through connecting portion, the one end that connecting rod (8) was kept away from to slide bar (15) penetrates second storage chamber (19), offer on rubber slab (18) and supply slide bar (15) to penetrate the perforation that one end freely passed through in second storage chamber (19), the one end that slide bar (15) penetrated in the perforation is equipped with felting needle (27).

6. A valve for a tap water intake manifold according to claim 5, wherein the driving part comprises two first hinge rods (23) hinged to opposite sides of the lower end of the driving shaft (11), and one end of each first hinge rod (23) far away from the driving shaft (11) is correspondingly hinged to inner walls of opposite sides of a conical groove (22) on the elastic opening sleeve (7).

7. A valve for a tap water inlet manifold as defined in claim 5, wherein said connection comprises:

the two fixing plates (12) are fixedly connected to the upper end of the driving shaft (11), and the end part of the sliding rod (15) can freely penetrate between the two fixing plates (12);

the sliding pin (13) is arranged at one end of the sliding rod (15) far away from the sealing sliding block (9), a kidney-shaped hole (14) for inserting the sliding pin (13) is formed in the fixed plate (12), an included angle is formed between the length direction of the kidney-shaped hole (14) and the axial direction of the driving shaft (11), and when the driving shaft (11) moves upwards, the sliding pin (13) slides in the kidney-shaped hole (14) and can drive the sliding rod (15) to move towards the inner side direction of the sealing sliding block (9).

8. The valve for the tap water inlet main way according to claim 7, wherein one end of the connecting rod (8) penetrating out of the sealing slide block (9) is sleeved with a sliding ring (20) in a sliding manner, the upper end face of the sliding ring (20) is provided with a cushion pad (24), the cushion pad (24) is coaxially connected with a sealing pad (25), the outer diameter of the sealing pad (25) decreases gradually in a direction away from the sliding ring (20), the lower end face of the sealing slide block (9) is coaxially provided with a conical hole for clamping and installing the sealing pad (25), and after the elastic stretching sleeve (7) is elastically contracted, the sliding ring (20) is driven by the abutting part to move upwards, so that the sealing pad (25) is installed in the conical hole in a decreasing manner.

9. Valve for the mains water intake according to claim 8, characterized in that said abutment comprises two second hinge bars (21) hinged respectively to two first hinge bars (23), the upper ends of said second hinge bars (21) being hinged respectively to opposite sides of the sliding ring (20).