CN208777395U - A kind of flow structure improving overflow capability and the drain valve with the flow structure - Google Patents

Abstract

The utility model discloses a kind of flow structures for improving overflow capability, including the overflow pipe being set in water tank, it is characterized in that, it further include the baffle set on overflow pipe top, baffle includes first flap, second flap and third baffle, second flap is longitudinally disposed and the inner cavity on overflow pipe top is at least divided into first inner chamber and second inner chamber, first flap laterally blocks the top in first inner chamber and first with joining water box inner cavity and first inner chamber between the top edge of overflow pipe crosses ebb interval, third baffle is laterally set in second inner chamber, and third baffle horizontally partial occlusion second inner chamber so that forming water seal in second inner chamber when overflow.The technical solution of the utility model makes that the overflow pipe to move up and down is needed also to be able to achieve while improving overflow capability, can be also used for the purpose of moisturizing, and structure is simple.In addition, the utility model also provides a kind of drain valve with flow structure.

Description

A kind of flow structure improving overflow capability and the drain valve with the flow structure

Technical field

The utility model relates to cistern technical field, especially a kind of overflow for the overflow capability for improving cistern Structure and drain valve with the flow structure.

Background technique

The overflow of existing cistern is mostly to carry out overflow, existing overflow by the overflow pipe being arranged on drain valve Structure is mostly that the self weight of water is leaned on to fall realization overflow, and by the self weight overflow of water, flushing effect is bad, and the overflow pipe also having is overflowing Siphonage is generated when stream, carrying out overflow by siphonage can be improved overflow capability, but often there are a large amount of skies when siphon Gas is inhaled into overflow pipe, bad so as to cause the flushing effect of overflow pipe.Therefore, in order to prevent overflow siphon when large quantity of air It is inhaled into overflow pipe, the prior art, which is used, is arranged a baffle, the upper end-face edge tool of baffle and overflow pipe in the top of overflow pipe There is ebb interval.And moisturizing is carried out in order to the water seal to the closestool urinal after flushing, the water outlet of water supply pipe is usual All it is to be fixed on overflow pipe, flow to the water of water supply pipe in closestool urinal through overflow pipe.

However due to being provided with baffle, it is used as the valve rod of drain valve to open or close drain valve simultaneously overflow pipe The drain valve structure of discharge outlet, since overflow pipe needs to move up and down, the water outlet of water supply pipe can not be directly anchored to overflow In flow tube, otherwise the up and down motion of overflow pipe will be caused to hinder, that is, in the prior art, the overflow pipe for needing to move up and down It is upper be provided with the baffle after, then be no longer desirable for setting water supplement structure, the application which limit overflow pipe as moisturizing channel, And the water for carrying out moisturizing to toilet water sealing then needs to be flow in closestool by other moisturizing channels, causes toilet structure complicated.

Utility model content

The utility model to solve the above-mentioned problems, provide a kind of overflow capability that can be improved water tank flow structure and Drain valve with the flow structure, so that the overflow pipe to move up and down is needed also to be able to achieve while improving overflow capability, It can be also used for the purpose of moisturizing, and structure is simple.

In order to achieve the above objectives, the technical solution of the utility model are as follows: a kind of flow structure for improving overflow capability, including Overflow pipe in water tank further includes the baffle set on the overflow pipe top, and the baffle includes first flap, second gear Piece and third baffle, the second flap it is longitudinally disposed and by the inner cavity on the overflow pipe top be at least divided into first inner chamber and Second inner chamber, the first flap are laterally blocked the top in the first inner chamber and are had between the top edge of the overflow pipe There is be connected to the water tank cavity and the first inner chamber first to cross ebb interval, the third baffle is laterally set in described second In chamber, and the third baffle horizontally second inner chamber described in partial occlusion so that shape in when overflow second inner chamber At water seal.

Preferably, the third gear on piece is additionally provided with flowing hole, alternatively, the third baffle and the second flap and/ Or having second to cross ebb interval between the inner wall of the second inner chamber, the flowing hole or described second cross ebb interval in overflow It is blocked by the water seal formed in the second inner chamber.

Preferably, the distance between top edge of the third baffle and overflow pipe H >=10mm.

Preferably, the overflow pipe includes the biggish major diameter section of internal diameter arranged up and down and the lesser path section of internal diameter, institute State the top that baffle is set to the major diameter section.

Preferably, the overflow pipe can be set to up and downly in the middle part of the valve body of the drain valve in the water tank, described The inner cavity of overflow pipe is connected with the drainage channel of the drain valve, and the bottom end connection of the overflow pipe can be opened and closed the draining The seal disc of the discharge outlet of valve.

Preferably, the outer end of the first flap forms mounting part, and the baffle is articulated in described by the mounting part On overflow pipe.

Preferably, the cavity wall of the inner cavity on the overflow pipe top is equipped with the card slot longitudinally extended, the first flap Mounting part is hinged on the overflow pipe, and the edge of the second flap is embedded in the card slot.

Preferably, the outer edge of the first flap extends radially outwardly into the top edge of the first inner chamber of the overflow pipe Except.

Preferably, the first flap, second flap and third baffle are sequentially connected, the first flap and described second The top of baffle is connected, and the third baffle is connected with the lower part of the second flap, and the shape of the baffle is similar to Z-shaped Type.

The utility model also provides a kind of drain valve comprising flow structure described in any of the above embodiments further includes a benefit Water pipe, the water outlet of the water supply pipe are located at the top of the overflow pipe, and the water outlet of the water supply pipe and described second The position of inner cavity is corresponding.

Compared with prior art, the beneficial effects of the utility model are: the utility model is by setting baffle, baffle can be Effectively outside air is stopped to enter overflow pipe when overflow, to improve overflow capability.And third baffle horizontally partial occlusion Second inner chamber, in non-overflow, moisturizing can not flow to overflow pipe by the part that third baffle blocks by second inner chamber, and pass through Overflow pipe flow to realization moisturizing purpose in closestool；And water seal is capable of forming under overflow situation, in second inner chamber, second inner chamber is not It can then be blocked by the water seal formed in second inner chamber by the part that third baffle blocks, therefore outside air will not be via this Second inner chamber is not entered in overflow pipe by the part that third baffle blocks, to will not influence flushing effect.

Detailed description of the invention

Fig. 1 is that the schematic diagram on drain valve is arranged according to the flow structure of some embodiments of the utility model；

Fig. 2 is one of the stereoscopic schematic diagram of flow structure according to some embodiments of the utility model；

Fig. 3 is according to the two of the stereoscopic schematic diagram of the flow structure of some embodiments of the utility model；

Fig. 4 is the cross-sectional view according to the flow structure of some embodiments of the utility model；

Fig. 5 is the explosive view according to the flow structure of some embodiments of the utility model；

Fig. 6 is the schematic perspective view according to the baffle of some embodiments of the utility model.

Specific embodiment

In order to illustrate more clearly of the technical solution of the utility model embodiment, with reference to the accompanying drawing to the utility model into The explanation of one step, the drawings in the following description are merely some embodiments of the present invention, for ordinary skill people For member, without creative efforts, it is also possible to obtain other drawings based on these drawings.

As shown in Figures 1 to 6, the flow structure of a kind of raising overflow capability of an embodiment of the present invention, including be set to Overflow pipe 1 in water tank (not shown) and the baffle 2 set on 1 top of overflow pipe.In the present embodiment, the shape of baffle 2 is similar to Z-shaped Type specifically includes sequentially connected first flap 21, second flap 22 and third baffle 23.

First flap 21 is connected with the top of second flap 22, and third baffle 23 is connected with the lower part of second flap 22 It connects.Second flap 22 is longitudinally disposed and the inner cavity on 1 top of overflow pipe is at least divided into first inner chamber 11 and second inner chamber 12, this In embodiment, the inner cavity on 1 top of overflow pipe is only divided into 12 two chambers of first inner chamber 11 and second inner chamber by second flap 22, But not limited to this, it is also possible to the inner cavity that the inner cavity on 1 top of overflow pipe is separated three or three or more by second flap 22.

First flap 21 is laterally blocked in the top of first inner chamber 11, and is had between the top edge of overflow pipe 1 and be connected to First mistake ebb interval 3 of water tank cavity and first inner chamber 11.Third baffle 23 is laterally set in second inner chamber 12, also, third Baffle 23 horizontally partial occlusion second inner chamber 12 so that forming water seal in second inner chamber 12 when overflow.When non-overflow, stream Enter the water in second inner chamber 12 and can not flow in overflow pipe 1 by the part that third baffle 23 blocks via second inner chamber 12, Lower part；When overflow, due to forming water seal in second inner chamber 12, to avoid outside air via second inner chamber 12 not by third gear Part that piece 23 blocks flows into overflow pipe 1, lower part.

In the present embodiment, flowing hole 231 is additionally provided on third baffle 23.Flowing hole 231 forms second inner chamber 12 not by the The part that three baffles 23 block, when non-overflow, moisturizing water flow can flow into overflow pipe via flowing hole 231, lower part, in turn It flows into closestool；When overflow, flowing hole 231 is blocked by the water seal formed in second inner chamber 12, so that outside air be avoided to pass through It is flowed into overflow pipe by flowing hole 231, lower part.Alternatively, flowing hole 231 can not also be set on third baffle 23, But make that there is the second ebb interval excessively (not scheme between third baffle 23 and second flap 22 and/or the inner wall of second inner chamber 12 Show), this second is crossed ebb interval and is blocked in overflow by the water seal formed in second inner chamber 12, when non-overflow, moisturizing water Stream can via this second cross ebb interval flow into overflow pipe 1 in, lower part, and then flow into closestool in.

In order to guarantee that the water seal formed in overflow can preferably block flowing hole 231, in the present embodiment, third baffle The distance between 23 and the top edge 13 of overflow pipe 1 H >=10mm, can guarantee that the height of water seal is enough, water seal effect is more in this way Reliably, it is preferred that distance H >=20mm.

In the present embodiment, overflow pipe 1 includes the biggish major diameter section 1a of internal diameter arranged up and down and the lesser path section of internal diameter 1b, baffle 2 are set to the top of major diameter section 1a.Overflow pipe 1 can be set to the valve body 41 of the drain valve 4 in water tank up and downly Middle part, the inner cavity of overflow pipe 1 are connected with the drainage channel (not shown) of drain valve 4, and the bottom end connection of overflow pipe 1 can be opened and closed The seal disc 42 of the discharge outlet of drain valve 4.

Baffle 2 be installed in the mode on overflow pipe 1 can there are many, in the present embodiment, the outer end of first flap 21 is formed Mounting part 211, baffle 2 are articulated on overflow pipe 1 by mounting part 211.Also, it is set in the cavity wall of the inner cavity on 1 top of overflow pipe There is the card slot 14 longitudinally extended, the mounting part 211 of first flap 21 is hinged on overflow pipe 1, the edge insertion of second flap 22 In card slot 14, so that baffle 2 is installed on overflow pipe 1.

In order to enable baffle 2 can preferably stop outside air to enter in overflow pipe 1 in overflow, in the present embodiment, The outer edge of first flap 21 extends radially outwardly into except the top edge of the first inner chamber of overflow pipe 1.

The present embodiment can stop air to enter overflow pipe 1 by setting baffle 2, baffle 2 in overflow, overflow to improve Stream ability, and flowing hole 231 is equipped on third baffle 23, the water that flowing hole 231 is formed in second inner chamber 12 in overflow Envelope blocks, therefore in normal state, and moisturizing can flow to overflow pipe 1 by flowing hole 231, and flow to horse through overflow pipe 1 In bucket, and under overflow situation, flowing hole 231 can then be blocked by the water seal formed in second inner chamber 12, therefore extraneous empty Gas flows into overflow pipe 1 without going past discharge orifice 231, and flowing hole 231 will not influence overflow.

In addition, the utility model also provides a kind of drain valve comprising flow structure described in any of the above embodiments further includes One water supply pipe (not shown), the water outlet of water supply pipe are located at the top of overflow pipe 1, and the water outlet and second inner chamber of water supply pipe 12 position is corresponding, so that the water correspondence that the water outlet of water supply pipe flows out is flow in second inner chamber 12, and via overcurrent Hole 231 is flow in overflow pipe 1 to carry out moisturizing for the water seal to closestool.Flow structure can be found in the description of above-described embodiment, Which is not described herein again.

So far, the presently disclosed embodiments is described in detail.In order to avoid covering the design of the disclosure, do not describe Some details known in the field.Those skilled in the art as described above, completely it can be appreciated how implement here Disclosed technical solution.

Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details On the utility model is made a variety of changes, be the protection scope of the utility model.

Claims (10)

1. a kind of flow structure for improving overflow capability, including the overflow pipe being set in water tank, which is characterized in that further include being set to The baffle on the overflow pipe top, the baffle include first flap, second flap and third baffle, and the second flap is longitudinal It is arranged and the inner cavity on the overflow pipe top is at least divided into first inner chamber and second inner chamber, the first flap is laterally blocked In the first inner chamber top and between the top edge of the overflow pipe have be connected to the water tank cavity and described first The first of inner cavity crosses ebb interval, and the third baffle is laterally set in the second inner chamber, and the third baffle is in transverse direction Second inner chamber described in upper partial occlusion is so that form water seal in when overflow second inner chamber.

2. flow structure as described in claim 1, which is characterized in that the third gear on piece is additionally provided with flowing hole, alternatively, institute Stating between third baffle and the second flap and/or the inner wall of the second inner chamber has second to cross ebb interval, the overcurrent Hole or the described second ebb interval excessively are blocked in overflow by the water seal formed in the second inner chamber.

3. flow structure as described in claim 1, which is characterized in that the top edge of the third baffle and the overflow pipe it Between distance H >=10mm.

4. flow structure as described in claim 1, which is characterized in that the overflow pipe includes that internal diameter arranged up and down is biggish Major diameter section and the lesser path section of internal diameter, the baffle are set to the top of the major diameter section.

5. flow structure as described in claim 1 up and downly, which is characterized in that the overflow pipe can be set to the water In the middle part of the valve body of drain valve in case, the inner cavity of the overflow pipe is connected with the drainage channel of the drain valve, the overflow The bottom end connection of pipe can be opened and closed the seal disc of the discharge outlet of the drain valve.

6. flow structure as described in claim 1, which is characterized in that the outer end of the first flap forms mounting part, described Baffle is articulated on the overflow pipe by the mounting part.

7. flow structure as claimed in claim 6, which is characterized in that the cavity wall of the inner cavity on the overflow pipe top is equipped with vertical To the card slot of extension, the mounting part of the first flap is hinged on the overflow pipe, and the edge of the second flap is embedded in institute It states in card slot.

8. flow structure as described in claim 1, which is characterized in that the outer edge of the first flap extends radially outwardly into Except the top edge of the first inner chamber of the overflow pipe.

9. flow structure as described in claim 1, which is characterized in that the first flap, second flap and third baffle according to Secondary connection, the first flap are connected with the top of the second flap, under the third baffle and the second flap Portion is connected, and the shape of the baffle is similar to Z-shaped.

10. a kind of drain valve, which is characterized in that further include a benefit including the described in any item flow structures of claim 1 to 9 Water pipe, the water outlet of the water supply pipe are located at the top of the overflow pipe, and the water outlet of the water supply pipe and described second The position of inner cavity is corresponding.