CN208072539U - A kind of washbasin turnover plate type self sealss drain valve - Google Patents

Abstract

The utility model is related to a kind of washbasin turnover plate type self sealss drain valves, including upper valve base, lower valve base, valve plate, connecting tube and locking nut, the upper end of lower valve base is detachably connected with the upper valve base, lower end is connected with the connecting tube, the outer wall in connecting tube is removably arranged in locking nut, valve plate is spindle rotationally arranged in the spheric inner cavity that upper valve base and lower valve base are constituted, it is spherical surface outside the cydariform of valve plate, multiple self sealss annular grooves are provided on spherical surface, intermediate valve seat is additionally provided between lower valve base and the outer wall of upper valve base, the inner cavity of intermediate valve seat is provided with and the first positioning region, second positioning region and clearance portion.The utility model eliminates sealing ring, reduces fragile part, simplify sealing structure by the way that multiple self sealss annular grooves are arranged on valve plate, it is therefore prevented that because of the turnover panel stuck phenomenon that seal failure and sealed ring deformation that sealing ring aging, abrasion are brought are brought.

Description

A kind of washbasin turnover plate type self sealss drain valve

Technical field

The utility model is related to a kind of washbasin turnover plate type self sealss drain valves, belong to technical field of sanitary ware.

Background technology

Turnover plate type outlet device is the overboard common device of washbasin, and wherein turnover panel is that circle carries seal groove, and is furnished with corresponding Sealing ring, when turnover panel tilts or rectilinear, so that it may which, with voluntarily overboard, when turnover panel level, basin launching is just closed, turnover panel institute The sealing ring used is generally O-shaped rubber seal, good airproof performance, and permanent with service life, sealing ring can be worn, always Change, there are obscission, seal ring part by household water temperature due to being increased, and sealed ring deformation is more serious so that turnover panel There are serious stuck phenomena.

Invention content

According to the above-mentioned deficiencies in the prior art, the technical problems to be solved in the utility model is：A kind of washbasin use is provided Turnover plate type self sealss drain valve eliminates sealing ring, reduces fragile zero by the way that multiple self sealss annular grooves are arranged on valve plate Part simplifies sealing structure, it is therefore prevented that the seal failure and sealed ring deformation brought because of sealing ring aging, abrasion was brought turns over Plate stuck phenomenon.

Washbasin described in the utility model turnover plate type self sealss drain valve, including upper valve base, lower valve base, valve plate, connection Pipe and locking nut, the upper end of the lower valve base is detachably connected with the upper valve base, lower end is connected with the connecting tube, described The outer wall in the connecting tube is removably arranged in locking nut, and the valve plate is spindle rotationally arranged in the upper valve base and lower valve It is spherical surface in the spheric inner cavity that seat is constituted, outside the cydariform of the valve plate, multiple self sealss annular grooves is provided on the spherical surface, Intermediate valve seat is additionally provided between the lower valve base and the outer wall of upper valve base, what the upper valve base, lower valve base and intermediate valve seat were constituted Outside wall surface is tapered, and the inner cavity of the intermediate valve seat is disposed with the first positioning coordinated with the lower valve base from top to bottom Portion, the clearance portion with the second positioning region of upper valve base cooperation and convenient for assembly.

Further, be provided on the lower valve base positioning cylinder coordinated with first positioning region and with the upper valve base First external screw thread of cooperation, the positioning cylinder are combined into interference fit with matching for first positioning region.

Further, the lower end of the upper valve base is provided with annular protrusion, the inner wall of the annular protrusion be provided with it is described Matched first internal thread of first external screw thread, matching between the outer wall of the annular protrusion and second positioning region are combined into gap Cooperation.

Further, the second external screw thread tubular protrusion easy to process is provided in the middle part of the connection pipe outer wall, lower end is provided with Connect the third external screw thread of blow-off pipe, external wall of upper portion is provided with convenient for flowing into the opening of connecting tube from the water of washbasin overflow.

Further, the lower face of the lower valve base is provided with the positioning ring groove for welding the connecting tube positioning.

Further, described self sealss annular groove at least four and the both sides up and down of the valve plate outer wall are symmetrically distributed in.

Further, the two sides of the self sealss annular groove are parallel with the upper and lower ends of the valve plate, axis of bottom end barrel surface The axis coaxle of line and the valve plate.

Further, the upper end of the locking nut is provided with the pad for being sealed between washbasin lower end and the locking nut Circle.

Compared with prior art, the utility model has the advantages that：

The first, the utility model eliminates sealing ring, reduces rapid wear by the way that multiple self sealss annular grooves are arranged on valve plate Bad part simplifies sealing structure, it is therefore prevented that because seal failure and sealed ring deformation that sealing ring aging, abrasion are brought are brought Turnover panel stuck phenomenon.

The second, the utility model is by being arranged intermediate valve seat so that the processing of valve seat is simpler, passes through intermediate valve seat Positioning, reduces the rigging error of upper and lower valve seat.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of the upper valve base of the utility model；

Fig. 3 is the structural schematic diagram of the lower valve base of the utility model；

Fig. 4 is the structural schematic diagram of the intermediate valve seat of the utility model；

Fig. 5 is the structural schematic diagram of the valve plate of the utility model；

In figure：1, upper valve base 1.1, annular protrusion 1.2, the first internal thread 2, lower valve base 2.1, the first external screw thread 2.2, position cylinder 2.3, positioning ring groove 3, valve plate 3.1, self sealss annular groove 4, connecting tube 4.1, the second external screw thread 4.2, Be open 4.3 third external screw threads 5, intermediate valve seat 5.1, the first positioning region 5.2, the second positioning region 5.3, clearance portion 6, locking Nut 7, washer.

Specific implementation mode

The utility model is described further below in conjunction with the accompanying drawings：

Below by way of specific embodiment, the utility model is described in further detail, but not to limit the utility model, all Within spirit of that invention and principle, any modification, equivalent replacement, improvement and so on should be included in the utility model Within protection domain.

As shown in Figs. 1-5, washbasin turnover plate type self sealss drain valve, including upper valve base 1, lower valve base 2, valve plate 3, company Take over 4 and locking nut 6, the upper end of lower valve base 2 is detachably connected with upper valve base 1, lower end is connected with connecting tube 4, locking nut 6 Dismountable outer wall being arranged in connecting tube 4, valve plate 3 are spindle rotationally arranged in the spheric that upper valve base 1 and lower valve base 2 are constituted It is spherical surface in chamber, outside the cydariform of valve plate 3, is provided with multiple self sealss annular grooves 3.1 on spherical surface so that the leakage of water from top to bottom In the process, multiple self sealss annular grooves are flowed through, pressure gradually decreases, and reaches No leakage or leakage rate is negligible, so as to lean on By water-stop in washbasin, intermediate valve seat 5, upper valve base 1, lower valve base 2 are additionally provided between lower valve base 2 and the outer wall of upper valve base 1 The outside wall surface constituted with intermediate valve seat 5 is tapered, and the inner cavity of intermediate valve seat 5 is disposed with from top to bottom to be coordinated with lower valve base 2 The first positioning region 5.1, the second positioning region 5.2 for coordinating with upper valve base 1 and clearance portion 5.3 convenient for assembly, clearance portion it is straight Diameter is bigger 0.05~0.1mm than the diameter of the second positioning region so that when just starting assembly, is easily assembled；By being arranged on valve plate Multiple self sealss annular grooves, eliminate sealing ring, reduce fragile part, simplify sealing structure, it is therefore prevented that because of sealing ring The turnover panel stuck phenomenon that the seal failure and sealed ring deformation that aging, abrasion are brought are brought；By the way that intermediate valve seat is arranged so that valve The processing of seat is simpler, by the positioning of intermediate valve seat, reduces the rigging error of upper and lower valve seat, solves threaded connection Centring problems.

In the present embodiment, be provided on lower valve base 2 the positioning cylinder 2.2 coordinated with the first positioning region 5.1 and with upper valve base 1 First external screw thread 2.1 of cooperation, positions cylinder 2.2 and matching for the first positioning region 5.1 is combined into interference fit；The lower end of upper valve base 1 It is provided with annular protrusion 1.1, the inner wall of annular protrusion 1.1 is provided with and 2.1 matched first internal thread of the first external screw thread 1.2, matching between the outer wall of annular protrusion 1.1 and the second positioning region 5.2 is combined into clearance fit；By positioning cylinder and the first positioning The interference fit in portion ensures the cooperation of the second positioning region and annular protrusion outer wall, so that the receiving valve that upper and lower valve seat is formed The magnitude of misalignment of the inner cavity of plate is in scope of design, so that valve plate can flexibly be overturn, avoids because processing screw-thread fit error band The valve plate come is stuck or overturning is difficult.

In the present embodiment, 4.1 tubular of the second external screw thread protrusion easy to process is provided in the middle part of connecting tube 4 outer wall, lower end is set It is equipped with the third external screw thread 4.3 of connection blow-off pipe, external wall of upper portion is provided with convenient for flowing into opening for connecting tube 4 from the water of washbasin overflow Mouth 4.2.

In the present embodiment, the lower face of lower valve base 2 is provided with the positioning ring groove 2.3 positioned for welding connecting tube 4；Pass through Positioning ring groove is set, can preferably ensure that connecting tube is concentric with valve seat, avoid deviation excessive, influence the installation of drain valve, cause Generate waste product.

In the present embodiment, 3.1 at least four of self sealss annular groove and the both sides up and down for being symmetrically distributed in 3 outer wall of valve plate；Self sealss The two sides of annular groove 3.1 are parallel with the upper and lower ends of valve plate 3, the axis and valve plate 3 of bottom end barrel surface axis coaxle；By right Claim setting self sealss annular groove so that arbitrarily overturn valve plate so that, can be effectively by water-stop when valve plate is parallel with valve seat end face In washbasin, the two sides of closure gasket groove are parallel with the upper and lower ends of valve plate, the axis of bottom end barrel surface axis and valve plate is same Axis so that the processing of annular groove is more convenient, simple.

In the present embodiment, the upper end of locking nut 6 is provided with the washer 7 for being sealed between washbasin lower end and locking nut 6； By the way that gasket is arranged, overflow water is avoided to be leaked from locking nut position.

The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.This The technical staff of industry is retouched in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments That states merely illustrates the principles of the invention, and on the premise of not departing from the spirit and scope of the utility model, the utility model can also There are various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The utility model is wanted Protection domain is asked to be defined by the appending claims and its equivalent thereof.

Claims (8)

1. a kind of washbasin turnover plate type self sealss drain valve, it is characterised in that：Including upper valve base (1), lower valve base (2), valve plate (3), connecting tube (4) and locking nut (6), the upper end of the lower valve base (2) is detachably connected with the upper valve base (1), lower end It is connected with the connecting tube (4), the outer wall in the connecting tube (4), the valve plate is removably arranged in the locking nut (6) (3) it is spindle rotationally arranged in the spheric inner cavity that the upper valve base (1) and lower valve base (2) are constituted, the cydariform of the valve plate (3) Outside is spherical surface, and multiple self sealss annular grooves (3.1), the outer wall of the lower valve base (2) and upper valve base (1) are provided on the spherical surface Between be additionally provided with intermediate valve seat (5), the outside wall surface that the upper valve base (1), lower valve base (2) and intermediate valve seat (5) are constituted is tapered, The inner cavity of the intermediate valve seat (5) be disposed with from top to bottom the first positioning region (5.1) coordinated with the lower valve base (2), With the second positioning region (5.2) of the upper valve base (1) cooperation and convenient for the clearance portion (5.3) of assembly.

2. a kind of washbasin according to claim 1 turnover plate type self sealss drain valve, it is characterised in that：The lower valve base (2) for being provided with the positioning cylinder (2.2) coordinated with first positioning region (5.1) on and coordinating with the upper valve base (1) One external screw thread (2.1), the positioning cylinder (2.2) are combined into interference fit with matching for first positioning region (5.1).

3. a kind of washbasin according to claim 2 turnover plate type self sealss drain valve, it is characterised in that：The upper valve base (1) lower end is provided with annular protrusion (1.1), and the inner wall of the annular protrusion (1.1) is provided with and first external screw thread (2.1) matched first internal thread (1.2), between the outer wall and second positioning region (5.2) of the annular protrusion (1.1) With being combined into clearance fit.

4. a kind of washbasin according to claim 1 turnover plate type self sealss drain valve, it is characterised in that：The connecting tube (4) the second external screw thread (4.1) tubular protrusion easy to process is provided in the middle part of outer wall, lower end is provided with outside the third of connection blow-off pipe Screw thread (4.3), external wall of upper portion are provided with to flow into the opening (4.2) of connecting tube (4) from the water of washbasin overflow.

5. a kind of washbasin according to claim 1 turnover plate type self sealss drain valve, it is characterised in that：The lower valve base (2) lower face is provided with the positioning ring groove (2.3) for welding the connecting tube (4) positioning.

6. a kind of washbasin according to claim 1 turnover plate type self sealss drain valve, it is characterised in that：The pressure sealing ring Slot (3.1) at least four and the both sides up and down for being symmetrically distributed in the valve plate (3) outer wall.

7. a kind of washbasin according to claim 6 turnover plate type self sealss drain valve, it is characterised in that：The pressure sealing ring The axis of the two sides of slot (3.1) axis and the valve plate (3) parallel with the upper and lower ends of the valve plate (3), bottom end barrel surface Line is coaxial.

8. according to a kind of any washbasin turnover plate type self sealss drain valves of claim 1-7, it is characterised in that：The lock The upper end of tight nut (6) is provided with the washer (7) for being sealed between washbasin lower end and the locking nut (6).