CN217539671U

CN217539671U - Quick-opening valve core

Info

Publication number: CN217539671U
Application number: CN202221673284.7U
Authority: CN
Inventors: 林高峰
Original assignee: Taizhou Randi Valve Co ltd
Current assignee: Taizhou Randi Valve Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-10-04
Anticipated expiration: 2032-06-30

Abstract

The utility model provides a quick-open valve core belongs to case technical field. It has solved the short problem of life. It includes the valve casing and all sets up the valve rod in the valve casing and opens the chip soon, the valve rod from top to bottom includes that the increasing cooperation section one of external diameter has can with the cooperation section three and the lower extreme of cooperation section three has and opens chip matched with participates in soon, it is equipped with sealing washer one and cooperation section one still overlaps outward and is equipped with wear-resisting packing ring to cooperate between section one and the valve casing, the valve rod is still including linking firmly cooperation section two between cooperation section one and cooperation section three, the external diameter of cooperation section is located between cooperation section one and the cooperation section three, wear-resisting packing ring both sides face leans on with the up end and the valve casing inner wall counterbalance of cooperation section two respectively, be equipped with sealing washer two between cooperation section two and the valve casing. It has the advantages of long service life, difficult abrasion and the like.

Description

Quick-opening valve core

Technical Field

The utility model belongs to the technical field of the case, a quick-open valve core is related to.

Background

The quick-opening valve core is the most common valve core in a triangular valve or a water faucet, and generally comprises a valve shell, a valve rod and a ceramic valve plate, wherein the valve rod is arranged in the valve shell, the ceramic valve plate comprises a ceramic moving plate and a ceramic static plate, one end of the valve rod extends out of the valve shell to be connected with a handle, the other end of the valve rod is connected with the ceramic moving plate, the ceramic static plate is provided with a through hole communicated with the water outlet end of the triangular valve body or the water faucet shell, the side part of the valve shell is provided with a water inlet notch, the valve rod drives the ceramic moving plate to rotate relative to the ceramic static plate to control the through hole on the ceramic static plate to be opened or closed, and therefore opening or closing of the triangular valve or the water faucet is achieved (when the through hole is opened, water flows into the valve shell from the water inlet notch and flows to the water outlet end from the through hole).

In order to ensure that the triangular valve or the water tap does not leak from the handle, a sealing ring is arranged between the valve casing and the triangular valve casing or the water tap casing, and a sealing ring is also arranged between the upper end of the valve rod and the inner wall of the valve casing. Meanwhile, because the valve rod and the valve shell are made of metal materials, in order to ensure the operation hand feeling when the valve rod rotates, a wear-resistant gasket is generally sleeved outside the valve rod. In the existing quick-opening valve core, a wear-resistant gasket is located at a position below a sealing ring (for example, a quick-opening valve core disclosed in patent application No. 201120290386.6), and the wear-resistant gasket is directly contacted with a medium when in use, so that the wear-resistant gasket may be corroded due to high alkalinity (or high acidity) of water and worn due to impurities contained in the water when meeting a use environment with poor water quality, and the number of times of rotation of the quick-opening valve core is affected to influence the service life of the whole quick-opening valve core.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem that prior art exists, provide a quick-open case, solved the problem that life is short.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a quick-opening valve core, includes the valve casing and all sets up the valve rod in the valve casing and opens the chip soon, the valve rod from top to bottom include that the external diameter is crescent cooperation section one and cooperation section three and the lower extreme of cooperation section three have can with quick-opening chip matched with participate in, be equipped with between cooperation section one and the valve casing sealing washer one and cooperation section one still overlap outward and be equipped with wear-resisting packing ring, a serial communication port, the valve rod still including link firmly in cooperation section two between cooperation section one and the cooperation section three, the external diameter of cooperation section is located between cooperation section one and the cooperation section three, wear-resisting packing ring both sides face offsets with the up end and the valve casing inner wall of cooperation section two respectively and leans on, is equipped with sealing washer two between cooperation section two and the valve casing.

This quick-open valve core is through establishing wear-resisting packing ring cover outside cooperation section one and make its both sides face lean on with the up end and the valve casing inner wall of cooperation section two respectively, and set up sealing washer two between cooperation section two and valve casing inner wall, when guaranteeing that the valve rod rotates to feel and the leakproofness between valve rod and the valve casing with wear-resisting packing ring protection between sealing washer one and sealing washer two, make wear-resisting packing ring just can not contact water like this in the use, air and impurity, guarantee that wear-resisting packing ring can not corroded by high basicity or high acidity quality of water, by air oxidation and by impurity for wearing and tearing, thereby the life of quick-open valve core has been prolonged. Simultaneously, wear-resisting packing ring can coat lubricating oil when the assembly, and this quick-open valve core still makes lubricating oil can not be fallen by the water-washed with wear-resisting packing ring protection between sealing washer one and sealing washer two, has guaranteed that the valve rod can keep rotating smoothly throughout in long-time use.

In foretell quick-opening valve core, the valve casing in have the mating holes one, mating holes two and the installation cavity that increase in proper order, the valve casing is worn out outward from mating holes one to the mating sections one, wear-resisting packing ring and sealing washer two all are located mating holes two, be connected with between the inner wall of mating holes one and the inner wall of mating holes two and supply wear-resisting packing ring's the side of going up to support to lean on the face, wear-resisting packing ring's external diameter is less than the aperture of mating holes two, quick-opening chip and mating sections tribit are in the installation cavity.

In the conventional quick-open valve core, the valve casing is inside only to have mating holes one and installation cavity, and this quick-open valve core is through reforming transform the valve casing inside and add mating holes two between mating holes one and installation cavity and come and cooperate with cooperation section two for can set up between cooperation section two and the valve casing that the sealing washer two forms sealedly and cooperate the sealing washer one to get up in order to prevent with the aqueous phase contact with wear-resisting packing ring protection.

In the quick-opening valve core, the first matching section is in clearance fit with the first matching hole, the second matching section is in clearance fit with the second matching hole, and a abdicating notch is formed between one end face of the second matching section, which is connected with the first matching section, and the outer peripheral wall of the second matching section.

The first matching section is in clearance fit with the first matching hole, the second matching section is in clearance fit with the second matching hole, the valve rod can be kept stable, and the abdicating notch is formed between the end face, connected with the first matching section, of the second matching section and the peripheral wall of the second matching section, so that the rotation resistance of the valve rod can be reduced.

In the quick-opening valve core, the quick-opening chip comprises a ceramic static sheet and a ceramic moving sheet which are arranged in the valve body, the ceramic moving sheet is abutted against the ceramic static sheet, and the pin of the valve rod is inserted into the ceramic moving sheet.

In foretell quick-open valve core, installation cavity oral area internal fixation have seal ring, the sealed side of sealing washer supports with the pottery still piece and leans on, the seal ring downside has the sealing portion that stretches out outside the valve casing, the sealing portion periphery has the external diameter taper surface that gradually enlarges from top to bottom, the lower surface of sealing portion has at least twice and the sealed inner groovy that sets up with one heart of filling up, each inner groovy all inwards diminishes gradually from notch department.

Quick-opening valve core is concrete when using, and most threaded connection of valve casing is in tap's casing, and the sealing portion that seal ring stretches out outside the valve casing simultaneously supports and leans on the step face that corresponds in tap's casing. Set up the circular conical surface that the external diameter crescent from top to bottom and set up at least twice and sealed the inner groovy that sets up with sealing pad and each inner groovy all inwards diminishes gradually from notch department at the lower surface of sealing up through the periphery with the sealing, make the sealing support to expand the deformation to both sides better when the sealing supports on the step face that corresponds in tap's the casing, improved the sealed effect between the valve casing and the tap casing internal correspondence step face.

Compared with the prior art, this quick-open valve core is through establishing wear-resisting gasket ring outside cooperation section one and making its both sides face lean on with the up end and the valve casing inner wall of cooperation section two respectively, and set up sealing washer two between cooperation section two and valve casing inner wall, when guaranteeing that the valve rod rotates to feel and the leakproofness between valve rod and the valve casing, protect wear-resisting gasket between sealing washer one and sealing washer two, make wear-resisting gasket just can not contact water, air and impurity in the use like this, guarantee that wear-resisting gasket can not corroded by high basicity or high acidity quality of water and give the wearing and tearing by impurity, thereby the life of quick-open valve core has been prolonged.

Simultaneously, wear-resisting packing ring can coat lubricating oil when the assembly, and this quick-open valve core is protected wear-resisting packing ring between sealing washer one and sealing washer two, still makes lubricating oil can not fallen by the water-washed, has guaranteed that the valve rod can keep rotating smoothly throughout in long-time use.

Drawings

FIG. 1 is a schematic view in partial cross-section of the present quick-opening valve cartridge.

Fig. 2 is a partially enlarged view of fig. 1.

In the figure, 1, a valve housing; 1a, a first matching hole; 1b, a matching hole II; 1c, an abutting surface; 2. a valve stem; 2a, a first matching section; 2b, a matching section II; 2b1, a yielding notch; 2c, matching with the third section; 3. quickly opening the chip; 3a, a ceramic moving plate; 3b, ceramic still sheets; 4. a first sealing ring; 5. a wear-resistant washer; 6. a second sealing ring; 7. a sealing gasket; 7a, a sealing part; 7a1, inner grooves.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, a quick-opening valve core comprises a valve casing 1, a valve rod 2 and a quick-opening chip 3, wherein the valve rod 2 and the quick-opening chip 3 are both arranged in the valve casing 1, the quick-opening chip 3 comprises a ceramic rotor 3a and a ceramic stator 3b, the ceramic stator 3b is circumferentially fixed with the valve casing 1, the ceramic rotor 3a is abutted against the ceramic stator 3b, and the inner end of the valve rod 2 is connected with the ceramic rotor 3 a. Valve rod 2 has and stretches out the upper end and stretch out the outer cooperation section one 2a of valve casing 1, connect in cooperation section one 2a lower extreme and the external diameter is greater than cooperation section two 2b of one 2a, connect in cooperation section two 2b lower extremes and the external diameter is greater than cooperation section three 2c of two 2b and two and link firmly in the round pin of cooperation section three 2c lower extreme, two round pin peg graft with pottery rotor 3a, concrete cooperation structure between valve rod 2 and the pottery rotor 3a and concrete cooperation structure between pottery rotor 3a and the pottery stator 3b are prior art, no longer describe herein. The valve casing 1 is internally provided with a matching hole 1a, a matching section 2a extends out of the valve casing 1 from the matching hole 1a and forms clearance fit with the matching hole 1a through the matching section 2a, a sealing ring 4 is sleeved outside the matching section 2a, and the outer edge of the sealing ring 4 abuts against the inner hole wall of the matching hole 1a to form sealing.

As shown in fig. 1 and fig. 2, a wear-resistant gasket 5 is further disposed between the valve rod 2 and the valve housing 1, the wear-resistant gasket 5 is made of POM-M90 material, the wear-resistant gasket 5 is specifically sleeved outside the first matching section 2a, two side surfaces of the wear-resistant gasket 5 respectively abut against an upper end surface of the second matching section 2b and an inner wall of the valve housing 1, a second sealing ring 6 is sleeved outside the second matching section 2b, and an outer edge of the second sealing ring 6 abuts against an inner wall of the valve housing 1 to form a seal. Further, still have two 1b of mating holes and installation cavity in the valve casing 1, two 1b of mating holes connect between one 1a of mating holes and installation cavity and mating holes 1a, two 1b of mating holes and installation cavity increase in proper order, and wear-resisting packing ring 5 all is located two 1b of mating holes with two 6 sealing washers, opens chip 3 soon and cooperation section three 2c is located the installation cavity. An abutting surface 1c for abutting against the upper side surface of the wear-resistant gasket 5 is connected between the inner wall of the first matching hole 1a and the inner wall of the second matching hole 1b, and the outer diameter of the wear-resistant gasket 5 is smaller than the aperture of the second matching hole 1 b. The second matching section 2b is in clearance fit with the second matching hole 1b, and a yielding notch 2b1 is formed between one end face, connected with the first matching section 2a, of the second matching section 2b and the outer peripheral wall of the second matching section 2 b. The clearance fit of the first 2a of cooperation section and the first 1a of mating holes, two 2b of cooperation section and two 1b clearance fit of mating holes can make valve rod 2 keep steady like this, and set up between the periphery wall of a terminal surface that two 2b of cooperation section and the first 2a of cooperation section are connected and cooperation section two 2b and let a breach 2b1 then can reduce valve rod 2's rotation resistance.

This quick-open valve core is through establishing wear-resisting packing ring 5 cover outside cooperation section one 2a and make its both sides face lean on with cooperation section two 2 b's up end and valve casing 1 inner wall counterbalance respectively, and set up sealing washer two 6 between cooperation section two 2b and valve casing 1 inner wall, when guaranteeing that valve rod 2 rotates to feel and the leakproofness between valve rod 2 and the valve casing 1 with wear-resisting packing ring 5 protection between sealing washer one 4 and sealing washer two 6, make wear-resisting packing ring 5 just can not contact water, air and impurity in the use like this, guarantee that wear-resisting packing ring 5 can not be corroded by high basicity or high acidity quality of water and give wearing and tearing by impurity, thereby the life of quick-open valve core has been prolonged. Simultaneously, wear-resisting packing ring 5 can coat lubricating oil when the assembly, and this quick-open valve core is protected wear-resisting packing ring 5 between sealing washer one 4 and sealing washer two 6, still makes lubricating oil can not fallen by the water-washed, has guaranteed that valve rod 2 can keep rotating smoothly throughout in long-time use.

Further, as shown in fig. 1, a sealing gasket 7 is fixed in the opening of the installation cavity of the valve housing 1, the upper side surface of the sealing gasket 7 abuts against the ceramic stator 3b, the lower side of the sealing gasket 7 is provided with a sealing portion 7a extending out of the valve housing 1, the periphery of the sealing portion 7a is provided with a conical surface of which the outer diameter gradually increases from top to bottom, the lower surface of the sealing portion 7a is provided with at least two inner grooves 7a1 concentrically arranged with the sealing gasket, and each inner groove 7a1 is inwards and gradually reduced from the notch. When the quick-opening valve core is used, most of threads of the valve shell 1 are connected in the shell of the water faucet, and meanwhile, the sealing part 7a of the sealing washer 7 extending out of the valve shell 1 is abutted to the corresponding step surface in the shell of the water faucet. Set up to the circular conical surface that the external diameter from top to bottom crescent through the periphery with sealing portion 7a and set up at least twice and sealed the inner groovy 7a1 that sets up with sealed pad with the lower surface of sealing portion 7a and each inner groovy 7a1 all inwards diminishes gradually from the notch department for sealing portion 7 a's lower part can expand the deformation to both sides better when supporting on the step face that corresponds in tap's the casing, has improved the sealed effect between corresponding step face in valve casing 1 and the tap casing.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a quick-open valve core, includes valve casing (1) and all sets up valve rod (2) in valve casing (1) and quick-open chip (3), valve rod (2) from top to bottom including the gradually increasing cooperation section one (2 a) of external diameter and cooperation section three (2 c) and the lower extreme of cooperation section three (2 c) have can with quick-open chip (3) matched with participate in, be equipped with between cooperation section one (2 a) and valve casing (1) sealing washer (4) and cooperation section one (2 a) outer wear-resisting packing ring (5) of still overlapping, a serial communication port, valve rod (2) still including linking firmly cooperation section two (2 b) between cooperation section one (2 a) and cooperation section three (2 c), cooperation section two (2 b) external diameter is located between cooperation section one (2 a) and cooperation section three (2 c), wear-resisting packing ring (5) both sides face leans on with the up end of cooperation section two (2 b) and upper end and inner wall (1) of cooperation section (2 b) respectively, cooperation section two (2 b) and valve casing are equipped with two sealing washer (6) between cooperation section (1) offset.

2. The quick-opening valve core according to claim 1, characterized in that the valve housing (1) is provided with a first matching hole (1 a), a second matching hole (1 b) and an installation cavity which are sequentially enlarged, the first matching section (2 a) penetrates out of the valve housing (1) from the first matching hole (1 a), the wear-resistant gasket (5) and the second sealing ring (6) are both positioned in the second matching hole (1 b), an abutting surface (1 c) for abutting against the upper side surface of the wear-resistant gasket (5) is connected between the inner wall of the first matching hole (1 a) and the inner wall of the second matching hole (1 b), the outer diameter of the wear-resistant gasket (5) is smaller than the aperture of the second matching hole (1 b), and the quick-opening chip (3) and the third matching section (2 c) are positioned in the installation cavity.

3. The quick-opening valve core according to claim 2, characterized in that the first matching section (2 a) is in clearance fit with the first matching hole (1 a), the second matching section (2 b) is in clearance fit with the second matching hole (1 b), and a relief notch (2 b 1) is formed between one end face of the second matching section (2 b) connected with the first matching section (2 a) and the outer peripheral wall of the second matching section (2 b).

4. The quick-opening valve core according to claim 2 or 3, characterized in that the quick-opening chip (3) comprises a ceramic stator (3 b) and a ceramic rotor (3 a) which are arranged in the valve body, the ceramic rotor (3 a) is abutted against the ceramic stator (3 b), and the pin of the valve rod (2) is inserted into the ceramic rotor (3 a).

5. The quick-opening valve core according to claim 4, wherein a sealing washer (7) is fixed in the opening of the installation cavity, the upper side surface of the sealing washer (7) abuts against the ceramic stator plate (3 b), a sealing part (7 a) extending out of the valve shell (1) is arranged on the lower side of the sealing washer (7), a conical surface with the outer diameter gradually increasing from top to bottom is arranged on the periphery of the sealing part (7 a), at least two inner grooves (7 a 1) concentrically arranged with the sealing washer are formed in the lower surface of the sealing part (7 a), and each inner groove (7 a 1) is gradually reduced from the opening of the groove.