CN212053070U - Drain valve base and water-saving drain valve - Google Patents

Abstract

The utility model discloses a drain valve base, including base body, base body's inside is provided with the wash port that link up from top to bottom, and base body's lateral wall upper portion is offered and is used for communicateing the limbers of toilet tank and wash port. An isolation base used for shunting water flowing through the drain hole is arranged below the inside of the drain hole, a first drainage channel which is communicated up and down is arranged inside the isolation base, and a second drainage channel is formed between the outer wall of the isolation base and the inner wall of the drain hole in a surrounding mode. The utility model also discloses a water conservation drain valve of including valve body and above-mentioned drain valve base. The utility model discloses a drain valve base is equipped with the isolation base that is used for the reposition of redundant personnel in the wash port, and through the area ratio of controlling first drainage channel flowing water cross-section and second drainage channel flowing water cross-section, can rationally distribute the water yield to the injection pipeline of closestool and wash the pipeline in, reach the best washing effect when not wasting water.

Description

Drain valve base and water-saving drain valve

Technical Field

The utility model relates to a bathroom field, in particular to drain valve base and a water conservation drain valve.

Background

In the conventional drain valve structure as shown in fig. 1, a valve base drain port 1001 is respectively communicated with a brushing pipe 1002 and an injection pipe 1003, and when the drain valve is opened, water in a toilet tank flows out through the valve base drain port 1001, so that the water cannot be reasonably distributed into the brushing pipe 1002 and the injection pipe 1003 of the toilet. The "water volume ratio" of the brushing pipe 1002 and the spraying pipe 1003 respectively changes with the change of the working water level of the toilet water tank, which easily causes the usage of the "brushing water" or "siphon water" of the toilet to exceed the required toilet flushing amount, thus causing water waste.

Disclosure of Invention

In view of the above, an object of the present invention is to provide a water-saving drain valve that can reasonably distribute the amount of water to the flush pipe of a toilet and the drain valve base in the injection pipe and contain the drain valve base, and that can achieve the best flush effect without wasting water.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

the drain valve base comprises a base body, wherein a drain hole which is communicated up and down is formed in the base body, and a water through hole used for communicating a toilet water tank with the drain hole is formed in the upper portion of the side wall of the base body. An isolation base used for shunting water flowing through the drain hole is arranged below the inside of the drain hole, a first drainage channel which is communicated up and down is arranged inside the isolation base, and a second drainage channel is formed between the outer wall of the isolation base and the inner wall of the drain hole in a surrounding mode.

In the first embodiment, the lower part of the outer wall of the isolation base is fixedly provided with a plurality of ribs extending along the length direction of the isolation base. The upper portion of the outer wall of the isolation base is sleeved with a clamping ring which is used for being in interference fit with the ribs and limiting the isolation base upwards. The outer side of the clamping ring is circumferentially provided with a plurality of connecting lugs, two ends of each connecting lug are fixedly connected with the inner wall surfaces of the clamping ring and the drain hole respectively, and the connecting lugs are provided with mounting holes for mounting copper lock block fixing screws.

In a second embodiment, the outer wall of the isolation base is fixedly provided with a plurality of lugs along the circumferential direction, and the lugs are provided with through holes. The inner wall of the base body is fixedly provided with a plurality of connecting lugs at positions corresponding to the lugs, the connecting lugs are provided with mounting holes, and the lugs and the connecting lugs are fixedly connected with each other through screws.

In a third embodiment, the lower portion of the outer wall of the isolation base is fixedly provided with a plurality of ribs extending along the length direction of the isolation base. Keep apart the outer wall upper portion cover of base be equipped with one be used for with rib interference fit carries out the solid fixed ring that makes progress spacing to keeping apart the base, gu fixed ring's outer wall has set firmly a plurality of fixed block along circumference. The bottom of the base body is provided with a plurality of bayonets for the fixed block to be clamped in, and the fixed block is clamped in the bayonets to be fixed. The inner wall of the base body is fixedly provided with a plurality of connecting lugs along the circumferential direction, and the connecting lugs are provided with mounting holes for mounting copper lock block fixing screws.

In a fourth embodiment, a plurality of limiting blocks are fixedly arranged on the outer wall of the isolation base along the circumferential direction, a plurality of notches for the limiting blocks to be clamped in are formed in the positions, corresponding to the limiting blocks, of the bottom of the base body, and the limiting blocks are clamped in the notches to be fixed. The inner wall of the base body is fixedly provided with a plurality of connecting lugs along the circumferential direction, and the connecting lugs are provided with mounting holes for mounting copper lock block fixing screws.

In a fifth implementation manner, the outer wall of the isolation base is fixedly provided with a plurality of connecting lugs along the circumferential direction, the connecting lugs are provided with mounting holes for mounting copper locking block fixing screws, and the other ends of the connecting lugs are fixedly connected with the inner wall of the base body.

In a sixth implementation manner, the outer side of the isolation base is provided with a plurality of connecting rods along the circumferential direction, two ends of each connecting rod are fixedly connected with the outer wall of the isolation base and the inner wall of the base body respectively, and two limiting bulges are fixedly arranged at opposite positions of the same height of the inner wall of the isolation base. The isolation base is internally provided with a fixing device used for locking and fixing the isolation base on the toilet bowl, and the fixing device comprises a U-shaped hook arranged below the isolation base, a fixing rod arranged above the inside of the isolation base and used for being in interference fit with the two limiting bulges, and a locking screw which penetrates through the fixing rod downwards and is in threaded connection with the U-shaped hook.

In a seventh embodiment, the inner wall of the base body is fixedly provided with a plurality of connecting lugs along the circumferential direction, and the connecting lugs are provided with mounting holes for mounting copper locking block fixing screws. Two limiting bulges are fixedly arranged at opposite positions at the same height on the inner wall of the isolation base, and a fixing device for locking and fixing the isolation base on the toilet bowl is arranged in the isolation base. The fixing device comprises a U-shaped hook arranged below the isolation base, a fixing rod arranged above the inside of the isolation base and used for being in interference fit with the two limiting bulges, and a locking screw which penetrates through the fixing rod downwards and is in threaded connection with the U-shaped hook.

In an eighth embodiment, two fixing bosses are fixedly arranged at opposite positions of the same height on the inner wall of the base body, and a fixing device for locking and fixing the base body on the toilet bowl is arranged in the isolation base. The fixing device comprises a U-shaped hook arranged below the isolation base, a cross rod arranged above the inside of the isolation base and a locking screw which penetrates through the cross rod downwards and is in threaded connection with the U-shaped hook. The both ends of horizontal pole outwards wear out respectively and keep apart the base and form two and extend the piece, the bottom of extending the piece seted up be used for with fixed boss joint complex draw-in groove.

Furthermore, an overflow pipe is fixedly installed on the side edge of the base body, and an overflow channel communicated with the drain hole is formed in the overflow pipe.

The utility model also discloses a water conservation drain valve, including valve base and the valve body of fixed mounting on the valve base, valve base above-mentioned drainage valve base.

Further, an inner sleeve is arranged at the central axis of the valve body, the bottom end of the inner sleeve extends into the drain hole, a sealing assembly used for sealing and closing the drain hole is fixedly arranged at the bottom of the inner sleeve, and a button driving assembly used for driving the inner sleeve and the sealing assembly to move upwards to open the drain hole is arranged in the valve body.

Wherein, the bottom of the isolation base is fixedly provided with an annular isolation sealing rubber gasket.

In one embodiment, an annular step is formed on an inner wall surface of the drain hole. The seal assembly comprises an upper clamping plate, a valve body sealing rubber gasket and a lower clamping plate which are sequentially arranged from top to bottom, wherein the bottom of the valve body sealing rubber gasket is respectively matched with the upper surface of the annular step and the top of the isolation base in a sealing manner. The valve body sealing rubber gasket, the lower clamping plate, the isolation base and the isolation sealing rubber gasket are surrounded to form a cavity with only an opening at the bottom.

In another embodiment, an annular step is formed on an inner wall surface of the drain hole. The seal assembly comprises an upper clamping plate, a valve body sealing rubber gasket, a pipeline sealing rubber gasket and a lower clamping plate which are sequentially arranged from top to bottom. The bottom of the valve body sealing rubber gasket is in sealing fit with the upper surface of the annular step, and the bottom of the pipeline sealing rubber gasket is in sealing fit with the top of the isolation base. The pipeline sealing rubber pad, the lower clamping plate, the isolation base and the isolation sealing rubber pad are surrounded to form a cavity with only an opening at the bottom.

The utility model discloses following beneficial effect has:

the utility model provides a drain valve base sets up the isolation base that is used for the reposition of redundant personnel in the wash port, through the area ratio of control first drainage channel flowing water cross-section and second drainage channel flowing water cross-section, can rationally distribute the water yield to the injection pipeline of closestool and wash in the pipeline, reaches best washing effect when not wasting water.

The utility model provides a water conservation drain valve that contains above-mentioned drain valve base, at the inside pipeline sealing rubber mat that is used for with the sealed complex in top of isolation base that sets up of water conservation drain valve, when the installation water conservation drain valve, keep apart the base bottom through keeping apart sealed rubber mat and toilet bowl's injection pipeline mouth sealing connection for enclose between pipeline sealing rubber mat, lower cardboard, isolation base, the sealed rubber mat of isolation and the injection pipeline and form an airtight space. The closed space isolates the jet pipe from being communicated with the outside air through the overflow pipe and isolates the jet pipe from being communicated with the outside air through the scrubbing pipe. Therefore, when the water discharge valve discharges water, because the air pressure in the injection pipeline is smaller than the air pressure of the outside air, the water can be stored in the injection pipeline after the water is flushed by the injection pipeline every time, and when the bottom of the toilet bowl is flushed next time, the pre-stored water in the injection pipeline can directly act on a siphon pipeline of the toilet bowl, so that the stroke of the water is saved, and the flushing effect can be greatly improved.

Drawings

Fig. 1 is a schematic view illustrating an installation of a drain valve in the related art.

Fig. 2 is a schematic perspective view of a drain valve base according to the first embodiment.

Fig. 3 is an exploded view of the part of fig. 2.

FIG. 4 is a schematic view illustrating a connection between a snap ring and a base body according to an embodiment.

Fig. 5 is a schematic perspective view of the water saving and draining valve according to the first embodiment.

Fig. 6 is an exploded view of the part of fig. 5.

Fig. 7 is a schematic view illustrating the water saving discharge valve according to the first embodiment when mounted on a toilet bowl, in which fig. 7 (a) is a schematic view illustrating a structure when the water saving discharge valve is closed, and fig. 7 (b) is a schematic view illustrating a structure when the water saving discharge valve is opened.

Fig. 8 is a cross-sectional schematic view of a drain valve base.

Fig. 9 is a schematic view showing the installation of the drain valve of another structure of the first embodiment on the toilet stool.

Fig. 10 is a partially enlarged schematic view of a portion a in fig. 9.

Fig. 11 is a schematic perspective view of a drain valve base according to a second embodiment.

Fig. 12 is an exploded view of the part of fig. 11.

FIG. 13 is a top view of the base body of the second embodiment.

Fig. 14 is an installation diagram of a base of the drain valve according to the second embodiment.

Fig. 15 is a schematic perspective view of a drain valve base according to a third embodiment.

Fig. 16 is an exploded view of the part of fig. 15.

FIG. 17 is a bottom view of the base body of the third embodiment.

Fig. 18 is an installation diagram of a drain valve base according to the third embodiment.

Fig. 19 is a schematic perspective view of a drain valve base according to a fourth embodiment.

Fig. 20 is an exploded view of the part of fig. 19.

FIG. 21 is a bottom view of the base body of the fourth embodiment.

Fig. 22 is an installation diagram of a drain valve base according to the fourth embodiment.

Fig. 23 is a schematic perspective view of a drain valve base according to the fifth embodiment.

Fig. 24 is an exploded view of the part of fig. 23.

Fig. 25 is a schematic internal structural view of the fifth embodiment of the base body.

Fig. 26 is an installation schematic view of a drain valve base according to the fifth embodiment.

Fig. 27 is a schematic perspective view of a drain valve base according to a sixth embodiment.

Fig. 28 is an exploded view of the part of fig. 27.

Fig. 29 is an internal structural view of the base body according to the sixth embodiment.

Fig. 30 is an installation diagram of a drain valve base according to the sixth embodiment.

Fig. 31 is a schematic perspective view of a drain valve base according to the seventh embodiment.

Fig. 32 is an exploded view of the part of fig. 31.

Fig. 33 is a schematic top view of the base body of the seventh embodiment.

Fig. 34 is an installation diagram of a base of the drain valve according to the seventh embodiment.

Fig. 35 is a schematic perspective view of a drain valve base according to an eighth embodiment.

Fig. 36 is an exploded view of the part of fig. 35.

Fig. 37 is a schematic top view of the base body according to the eighth embodiment.

Fig. 38 is a schematic structural view of an isolation base according to an eighth embodiment.

Fig. 39 is an installation diagram of a drain valve base according to the eighth embodiment.

Description of the main component symbols: 1001. a valve base drain port of a drain valve in the prior art; 1002. a scrubbing pipe of a drain valve in the prior art; 1003. the injection pipeline of the drain valve in the prior art; 1. a base body; 10. a drain hole; 100. a foamed rubber cushion; 101. a bayonet; 102. a notch; 11. a water through hole; 12. an overflow pipe; 13. fixing the boss; 120. an overflow channel; 2. an isolation base; 20. an isolation seal rubber mat; 201. a first drain passage; 202. a second drain channel; 203. a first flow cross-section; 204. a second flow cross-section; 205. an annular step; 21. ribs; 22. a lug; 220. a through hole; 23. a fixing ring; 230. a fixed block; 24. a limiting block; 25. a connecting rod; 26. a limiting bulge; 27. a cross bar; 28. an extension block; 280. a card slot; 3. a snap ring; 4. connecting lugs; 40. mounting holes; 5. a set screw; 6. a copper locking block; 7. a valve body; 71. an inner sleeve; 72. an upper clamping plate; 73. the valve body seals the rubber gasket; 74. a button actuation assembly; 75. a pipeline sealing rubber gasket; 76. a lower clamping plate; 81. an injection duct; 82. brushing the pipeline; 91. a U-shaped hook; 92. fixing the rod; 93. and locking the screw.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Example one

As shown in fig. 2 to 4, a drain valve base comprises a base body 1, a drain hole 10 penetrating up and down is formed in the base body 1, a water through hole 11 for communicating a toilet tank with the drain hole 10 is formed in the upper portion of the side wall of the base body 1, and a foam rubber pad 100 is fixedly arranged at the bottom of the base body 1. An overflow pipe 12 is fixedly installed at a side edge of the base body 1, and an overflow channel 120 communicated with the drain hole 10 is opened inside the overflow pipe 12. An isolation base 2 used for shunting water flowing through the drain hole 10 is arranged below the inside of the drain hole 10, a first drainage channel 201 which is communicated up and down is arranged inside the isolation base 2, a second drainage channel 202 is formed between the outer wall of the isolation base 2 and the inner wall of the drain hole 10 in a surrounding mode, and an annular isolation sealing rubber gasket 20 is fixedly arranged at the bottom of the isolation base 2.

The lower part of the outer wall of the isolation base 2 is fixedly provided with a plurality of ribs 21 extending along the length direction of the isolation base 2. Keep apart the outer wall upper portion cover of base 2 and be used for interfering the cooperation with rib 21 and carry out spacing snap ring 3 upwards to keeping apart base 2. The outer side of the clamping ring 3 is circumferentially provided with a plurality of connecting lugs 4, two ends of each connecting lug 4 are fixedly connected with the inner wall surfaces of the clamping ring 3 and the drain holes 10 respectively, the connecting lugs 4 are provided with mounting holes 40 for mounting the fixing screws 5, and the bottoms of the fixing screws 5 are in threaded connection with copper locking blocks 6.

As shown in fig. 5 and 6, the water saving drain valve comprises the drain valve base and the valve body 7 fixedly installed on the drain valve base. An inner sleeve 71 is arranged at the central axis of the valve body 7, the bottom end of the inner sleeve 71 extends into the drain hole 10, a sealing assembly used for sealing and closing the drain hole 10 is fixedly arranged at the bottom of the inner sleeve 71, and a button driving assembly 74 used for driving the inner sleeve 71 and the sealing assembly to move upwards to open the drain hole 10 is arranged in the valve body 7. An annular step 205 is formed on the inner wall surface of the drain hole 10.

The sealing assembly comprises an upper clamping plate 72, a valve body sealing rubber gasket 73 and a lower clamping plate 76 which are sequentially arranged from top to bottom, wherein the bottom of the valve body sealing rubber gasket 73 is respectively in sealing fit with the upper surface of the annular step 205 and the top of the isolation base 2. A cavity with only an opening at the bottom is formed by the valve body sealing rubber gasket 73, the lower clamping plate 76, the isolation base 2 and the isolation sealing rubber gasket 20 in a surrounding manner.

Fig. 7 and 8 are schematic views illustrating the principle of the water saving discharge valve of one structure according to the embodiment when the water saving discharge valve is mounted on a toilet bowl. The spraying pipe 81 and the brushing pipe 82 inside the toilet bowl are mutually independent, and the water-saving drain valve is arranged at the bottom of the water tank, so that the bottom of the first drain channel 201 is communicated with the pipe orifice of the spraying pipe 81 in a sealing way, and the second drain channel 202 is communicated with the brushing pipe 82.

Fig. 9 and 10 show the installation of the water saving drainage valve of another structure of this embodiment on a toilet bowl. The sealing assembly comprises an upper clamping plate 72, a valve body sealing rubber gasket 73, a pipeline sealing rubber gasket 75 and a lower clamping plate 76 which are sequentially arranged from top to bottom. The bottom of the valve body sealing rubber gasket 73 is in sealing fit with the upper surface of the annular step 205, and the bottom of the pipeline sealing rubber gasket 75 is in sealing fit with the top of the isolation base 2. A cavity with only an opening at the bottom is formed by the pipeline sealing rubber pad 75, the lower clamping plate 76, the isolation base 2 and the isolation sealing rubber pad 20.

When the water-saving drain valve is opened, water in the water tank of the toilet flows out through the first drain channel 201 and the second drain channel 202, and the water quantity is reasonably distributed into the jet pipeline 81 and the flushing pipeline 82 of the toilet by controlling the area ratio of the first flowing water section 203 and the second flowing water section 204, so that the toilet achieves the best flushing effect and does not waste water.

When the water-saving drain valve is closed, the isolation base 2, the isolation sealing rubber gasket 20, the lower clamping plate 76, the valve body sealing rubber gasket 73/the pipeline sealing rubber gasket 75 and the injection pipeline 81 form a closed space, the injection pipeline 81 is isolated from being communicated with the outside air through the overflow pipe 12, and the injection pipeline 81 is isolated from being communicated with the outside air through the brushing pipeline 82. Therefore, when the water discharge valve discharges water, because the air pressure in the injection pipeline 81 is smaller than the air pressure of the outside air, the injection pipeline 81 can store water after the water is flushed at each time, and when the bottom of the toilet bowl is flushed next time, the pre-stored water in the injection pipeline 81 can directly act on a siphon pipeline of the toilet bowl, so that the stroke of the water is saved, and the flushing effect can be greatly improved.

Similarly, when the water-saving drain valve is installed at the bottom of the water tank, the bottom of the first drain channel 201 can be hermetically communicated with the brushing pipeline 82, and the second drain channel 202 is communicated with the injection pipeline 81, in the same manner as above.

Example two

As shown in fig. 11 to 14, the present embodiment differs from the first embodiment only in that: the outer wall of the isolation base 2 is not provided with the ribs 21 and the snap ring 3, but a plurality of lugs 22 are uniformly and fixedly arranged along the circumferential direction of the isolation base 2, and the lugs 22 are provided with through holes 220. The inner wall of the base body 1 is fixedly provided with a plurality of connecting lugs 4 at positions corresponding to the lugs 220, the connecting lugs 4 are provided with mounting holes 40, the lugs 22 and the connecting lugs 4 are fixedly connected with each other through fixing screws 5, and the bottoms of the fixing screws 5 are in threaded connection with copper locking blocks 6. The rest of the structure and principle of the embodiment are the same as those of the first embodiment.

EXAMPLE III

As shown in fig. 15-18, the present embodiment differs from the first embodiment only in that: keep apart not having set up snap ring 3 on the outer wall of base 2, the outer wall upper portion cover of keeping apart base 2 is equipped with one and is used for interfering the cooperation with rib 21 and carries out spacing solid fixed ring 23 that makes progress to keeping apart base 2, and the outer wall of solid fixed ring 23 has set firmly a plurality of fixed block 230 along circumference. The bottom of the base body 1 is provided with a plurality of bayonets 101 for the fixing blocks 230 to be clamped in at positions corresponding to the fixing blocks 230, and the fixing blocks 230 are clamped in the bayonets 101 to be fixed. A plurality of connecting lugs 4 are fixedly arranged on the inner wall of the base body 1 along the circumferential direction, mounting holes 40 used for mounting fixing screws 5 are formed in the connecting lugs 4, and the bottoms of the fixing screws 5 are in threaded connection with copper locking blocks 6. The rest of the structure and principle of the embodiment are the same as those of the first embodiment.

Example four

As shown in fig. 19 to 22, the present embodiment is different from the first embodiment only in that: keep apart on the outer wall of base 2 not set up rib 21 and snap ring 3, but evenly set firmly a plurality of stopper 24 along the circumference of keeping apart base 2, base body 1's bottom has seted up a plurality of and has supplied the breach 102 that stopper 24 card is gone into on stopper 24 corresponding position, and stopper 24 card is gone into and is realized fixing in the breach 102. A plurality of connecting lugs 4 are fixedly arranged on the inner wall of the base body 1 along the circumferential direction, mounting holes 40 used for mounting fixing screws 5 are formed in the connecting lugs 4, and the bottoms of the fixing screws 5 are in threaded connection with copper locking blocks 6. The rest of the structure and principle of the embodiment are the same as those of the first embodiment.

EXAMPLE five

As shown in fig. 23-26, the present embodiment differs from the first embodiment only in that: keep apart the outer wall of base 2 and set firmly a plurality of and connect ear 4 along circumference, connect and offer the mounting hole 40 that is used for installing copper locking piece set screw 5 on ear 4, connect the other end of ear 4 and the inner wall fixed connection of base body 1. The rest of the structure and principle of the embodiment are the same as those of the first embodiment.

EXAMPLE six

As shown in fig. 27 to 30, the present embodiment differs from the first embodiment only in that: the outer side of the isolation base 2 is circumferentially provided with a plurality of connecting rods 25, and two ends of each connecting rod 25 are fixedly connected with the outer wall of the isolation base 2 and the inner wall of the base body 1 respectively. Two limiting bulges 26 are fixedly arranged at opposite positions at the same height on the inner wall of the isolation base 2. The isolation base 2 is internally provided with a fixing device for locking and fixing the isolation base on the toilet bowl, and the fixing device comprises a U-shaped hook 91 arranged below the isolation base 2, a fixing rod 92 arranged above the inside of the isolation base 2 and used for being in interference fit with the two limiting protrusions 26, and a locking screw 93 which downwards penetrates through the fixing rod 92 and is in threaded connection with the U-shaped hook 91. The rest of the structure and principle of the embodiment are the same as those of the first embodiment.

EXAMPLE seven

As shown in fig. 31 to 34, the present embodiment is different from the first embodiment only in that: a plurality of connecting lugs 4 are fixedly arranged on the inner wall of the base body 1 along the circumferential direction, and mounting holes 40 for mounting copper lock block fixing screws 5 are formed in the connecting lugs 4. Two limiting bulges 26 are fixedly arranged at opposite positions at the same height on the inner wall of the isolation base 2, and a fixing device for locking and fixing the isolation base 2 on a toilet bowl is arranged in the isolation base 2. The fixing device comprises a U-shaped hook 91 arranged below the isolation base 2, a fixing rod 92 arranged above the inside of the isolation base 2 and used for being in interference fit with the two limiting protrusions 26, and a locking screw 93 which penetrates through the fixing rod 92 downwards and is in threaded connection with the U-shaped hook 91. The rest of the structure and principle of the embodiment are the same as those of the first embodiment.

Example eight

As shown in fig. 35-39, the present embodiment differs from the first embodiment only in that: two fixing bosses 13 are fixedly arranged at opposite positions of the same height of the inner wall of the base body 1, and a fixing device for locking and fixing the base body on a toilet bowl is arranged in the isolation base 2. The fixing means comprises a clevis 91 provided at the lower portion of the isolation base, a cross bar 27 provided at the upper portion of the inside of the isolation base 2, and a locking screw 93 which passes downward through the cross bar 27 and is screw-coupled to the clevis 91. Two ends of the cross rod 27 respectively penetrate out of the isolation base 2 to form two extension blocks 28, and the bottom of each extension block 28 is provided with a clamping groove 280 for clamping and matching with the fixed boss 13. The rest of the structure and principle of the embodiment are the same as those of the first embodiment.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (15)

1. The utility model provides a drain valve base, includes base body, its characterized in that: the toilet bowl is characterized in that a drain hole which is communicated up and down is formed in the base body, a water through hole used for communicating the toilet bowl water tank with the drain hole is formed in the upper portion of the side wall of the base body, an isolation base used for shunting water flowing through the drain hole is arranged below the inside of the drain hole, a first drain channel which is communicated up and down is formed in the isolation base, and a second drain channel is formed between the outer wall of the isolation base and the inner wall of the drain hole in a surrounding mode.

2. The drain valve base of claim 1, wherein: the outer wall lower part of keeping apart the base sets firmly a plurality of ribs that extend along keeping apart base length direction, keep apart the outer wall upper portion cover of base be equipped with one be used for with rib interference fit and to keeping apart the base spacing snap ring that makes progress, the outside of snap ring is equipped with a plurality of along circumference and connects the ear, connect the both ends of ear respectively with the internal face rigid coupling of snap ring and wash port, connect and offer the mounting hole that is used for installing copper locking piece set screw on the ear.

3. The drain valve base of claim 1, wherein: the outer wall of the isolation base is fixedly provided with a plurality of lugs along the circumferential direction, the lugs are provided with through holes, the inner wall of the base body is fixedly provided with a plurality of connecting lugs at the positions corresponding to the lugs, the connecting lugs are provided with mounting holes, and the lugs and the connecting lugs are fixedly connected with each other through screws.

4. The drain valve base of claim 1, wherein: keep apart the outer wall lower part of base and set firmly a plurality of ribs that extend along keeping apart base length direction, keep apart the outer wall upper portion cover of base be equipped with one be used for with rib interference fit and carry out spacing solid fixed ring that makes progress to keeping apart the base, gu fixed ring's outer wall has set firmly a plurality of fixed block along circumference, base body's bottom is in seted up a plurality of confession on the corresponding position of fixed block the bayonet socket that the fixed block card was gone into, fixed block card go into realize fixedly in the bayonet socket, a plurality of has set firmly along circumference on base body's the inner wall and has connect the ear, connect and offer the mounting hole that is used for installing copper locking piece set screw on the ear.

5. The drain valve base of claim 1, wherein: keep apart the outer wall of base and set firmly a plurality of stopper along circumference, base body's bottom is in seted up a plurality of confession on the corresponding position of stopper the breach that the stopper card was gone into, the stopper card go into realize fixedly in the breach, a plurality of connects the ear has set firmly along circumference on base body's the inner wall, connect and offer the mounting hole that is used for installing copper locking piece set screw on the ear.

6. The drain valve base of claim 1, wherein: the outer wall of the isolation base is fixedly provided with a plurality of connecting lugs along the circumferential direction, the connecting lugs are provided with mounting holes for mounting copper lock block fixing screws, and the other ends of the connecting lugs are fixedly connected with the inner wall of the base body.

7. The drain valve base of claim 1, wherein: the outer side of the isolation base is provided with a plurality of connecting rods along the circumferential direction, the two ends of each connecting rod are fixedly connected with the outer wall of the isolation base and the inner wall of the base body respectively, two limit bulges are fixedly arranged at the opposite positions of the same height of the inner wall of the isolation base, a fixing device for locking and fixing the isolation base on a toilet bowl is arranged in the isolation base, and the fixing device comprises a U-shaped hook arranged below the isolation base, a fixing rod arranged above the inner part of the isolation base and used for being in interference fit with the two limit bulges, and a locking screw which penetrates through the fixing rod and is in threaded connection with the U-shaped hook.

8. The drain valve base of claim 1, wherein: the inner wall of the base body is fixedly provided with a plurality of connecting lugs along the circumferential direction, the connecting lugs are provided with mounting holes for mounting copper lock block fixing screws, two limiting bulges are fixedly arranged at opposite positions of the same height of the inner wall of the isolation base, a fixing device for locking and fixing the isolation base on a toilet bowl is arranged in the isolation base, and the fixing device comprises a U-shaped hook arranged below the isolation base, a fixing rod arranged above the inner part of the isolation base and used for being in interference fit with the two limiting bulges, and a locking screw which penetrates through the fixing rod downwards and is in threaded connection with the U-shaped hook.

9. The drain valve base of claim 1, wherein: the utility model discloses a pedestal, including base body, isolation base, U type hook, horizontal pole and the locking screw that passes the horizontal pole and with U type hook threaded connection, the fixing device is including establishing the U type hook of keeping apart the base below, establishing the horizontal pole of keeping apart the inside top of base and passing the horizontal pole downwards and with U type hook threaded connection's locking screw, the both ends of horizontal pole outwards wear out respectively and keep apart the base and form two extension pieces, the bottom of extending the piece seted up be used for with fixed boss joint complex draw-in groove.

10. The drain valve base of claim 1, wherein: an overflow pipe is fixedly installed on the side edge of the base body, and an overflow channel communicated with the drain hole is formed in the overflow pipe.

11. The utility model provides a water conservation drain valve, includes valve base and the valve body of fixed mounting on valve base, its characterized in that: the valve base is a drain valve base according to any one of claims 1 to 10.

12. A water saving discharge valve as claimed in claim 11, characterized in that: the central axis department of valve body is equipped with an interior sleeve pipe, interior sheathed tube bottom stretches into in the drain hole, interior sleeve pipe bottom sets firmly and is used for the sealed seal assembly who closes the drain hole, the inside of valve body is equipped with and is used for driving interior sleeve pipe and seal assembly upward movement are in order to open the button drive assembly of drain hole.

13. A water saving discharge valve as claimed in claim 12, wherein: the bottom of the isolation base is fixedly provided with an annular isolation sealing rubber gasket.

14. A water saving discharge valve as claimed in claim 13, wherein: the sealing assembly comprises an upper clamping plate, a valve body sealing rubber gasket and a lower clamping plate which are sequentially arranged from top to bottom, the bottom of the valve body sealing rubber gasket is respectively matched with the upper surface of the annular step and the top of the isolation base in a sealing manner, and the valve body sealing rubber gasket, the lower clamping plate, the isolation base and the isolation sealing rubber gasket are surrounded to form a cavity with only an opening at the bottom.

15. A water saving discharge valve as claimed in claim 13, wherein: the sealing assembly comprises an upper clamping plate, a valve body sealing rubber gasket, a pipeline sealing rubber gasket and a lower clamping plate which are sequentially arranged from top to bottom, the bottom of the valve body sealing rubber gasket is in sealing fit with the upper surface of the annular step, the bottom of the pipeline sealing rubber gasket is in sealing fit with the top of the isolation base, and the pipeline sealing rubber gasket, the lower clamping plate, the isolation base and the isolation sealing rubber gasket are surrounded to form a cavity with only an opening at the bottom.

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