CN212455641U - Overflow valve capable of improving overflow capacity - Google Patents

Abstract

The utility model discloses an improve overflow valve of overflow capacity, including the shell, the cavity has been seted up to the inside of shell, and shell top and bottom are equipped with inlet tube and outlet pipe respectively, and the inlet tube bottom stretches into in the cavity. The top wall of the cavity is fixedly provided with a supporting piece at the side of the water inlet pipe, and the lower part of the supporting piece is hinged with a lever guide post. One end of the lever guide post is fixedly provided with a sealing rubber pad which is used for being in sealing fit with the bottom of the water inlet pipe, and the other end of the lever guide post is provided with a balance structure body which is used for forming lever balance with the sealing rubber pad and driving the sealing rubber pad to reset upwards. Under normal conditions, the sealing rubber pad seals and closes the water inlet pipe under the action of the balance structure body, when the drain valve drains water, external air cannot enter the drain port of the drain valve from the water inlet pipe, and the siphon effect greatly improves the drainage speed; when the water pressure that the sealed cushion received is greater than the effort of balanced structure, the lever guide pillar drives the sealed cushion and rotates and open the inlet tube, and the overflow valve realizes the overflow function, and the overflow effect is good.

Description

Overflow valve capable of improving overflow capacity

Technical Field

The utility model relates to a bathroom field, in particular to improve overflow valve of overflow capacity.

Background

The existing drain valve consists of a valve body, a base and an overflow pipe. Wherein the valve base is communicated with the overflow pipe. Under the normal stagnant water state, the outside air passes through overflow pipe and drain valve base outlet intercommunication. When the overflow phenomenon occurs, water flows from the overflow pipe to the water discharge valve base water discharge port and enters the toilet bowl pipeline. When the drain valve is opened, water flows out through the drain outlet of the drain valve base, and when the drain valve is normally used, the drain outlet of the drain valve base is communicated with outside air through the overflow pipe channel, negative pressure can be generated in the drain channel during draining, and air can be mixed into the drain outlet of the drain valve base together under the action of outside atmospheric pressure, so that the drain channel is not in a pipe full water state, and the drainage speed is reduced.

Disclosure of Invention

To the above problem, the utility model aims to solve the technical problem that overcome exist among the prior art not enough, provide an overflow valve that improves overflow capacity.

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

the overflow valve capable of improving the overflow capacity comprises a shell, wherein a cavity is formed in the shell, and a water inlet pipe and a water outlet pipe which are communicated with the cavity are respectively arranged at the top and the bottom of the shell. The bottom of the water inlet pipe extends into the cavity, a supporting piece is fixedly arranged on the top wall of the cavity at the side edge of the water inlet pipe, and a lever guide pillar is hinged to the lower portion of the supporting piece. One end of the lever guide post is fixedly provided with a sealing rubber mat which is used for being matched with the bottom of the water inlet pipe in a sealing way, and the other end of the lever guide post is provided with a balance structure body which is used for forming lever balance with the sealing rubber mat and driving the sealing rubber mat to reset upwards.

In one embodiment, the sealing end surface of the bottom of the water inlet pipe is a horizontal surface.

In another embodiment, the sealing end face of the bottom of the water inlet pipe is obliquely arranged, and an acute included angle formed between the sealing end face and the vertical face is 25-65 degrees.

In one structure of the balance structure body, the balance structure body is a balancing weight, and the balancing weight is fixedly connected with one end part of the lever guide pillar, which is far away from the sealing rubber pad, through threads or buckles.

In another structure of the balance structure body, the balance structure body is a spring, one end of the spring is fixed, and the other end of the spring is connected with the bottom of the lever guide post and is in a stretching state.

The top wall of the cavity is fixedly provided with a supporting rod at the side edge of the supporting piece, the lower part of the supporting rod is fixedly provided with a transverse plate at a position lower than the hinged fulcrum of the lever guide post, and the lower end of the spring is fixed on the transverse plate.

Further, the shell include the overflow upper cover and the overflow base of pegging graft each other, the inlet tube sets firmly cover on the overflow, the overflow cap that is used for preventing the vortex from producing is installed at the inlet tube top, the outlet pipe sets firmly on the overflow base.

Furthermore, a disc is fixedly arranged at one end of the sealing rubber pad of the lever guide column, and the sealing rubber pad is fixed to the top of the disc. The top center department of disc upwards extends and forms a reference column, the annular positioning groove has been seted up to the lower part of reference column, the center department of sealed cushion is seted up and is used for the card to go into the through-hole in the annular positioning groove.

Furthermore, two sides of the lever guide pillar extend outwards respectively to form two positioning rods, the supporting piece comprises two connecting plates which are parallel to each other and arranged at intervals, positioning holes are formed in the connecting plates, and the two positioning rods are hinged to the positioning holes in the two connecting plates respectively.

Preferably, in order to prevent the lever guide post from being opened at an excessively large angle, a limiting boss for interference-fitting with the disk and limiting the rotation angle of the disk is formed at the bottom of the connecting plate extending downward.

The utility model discloses following beneficial effect has:

1. under normal conditions, the sealing rubber pad seals and closes the water inlet pipe under the action of the balance structure body, when the drain valve drains water, external air cannot enter the drain port of the drain valve from the water inlet pipe, and the siphon effect greatly improves the drainage speed; when the water pressure on the sealing rubber gasket is greater than the acting force of the balance structure body, the lever guide post drives the sealing rubber gasket to rotate and open the water inlet pipe, and the overflow valve achieves the overflow function.

2. The sealed terminal surface of inlet tube bottom can be the horizontal plane, also can be personally submit 25 ~ 65 inclined planes with vertical, and when sealed terminal surface was the inclined plane, the lever was opened fast, and the flow area is big, and the overflow ability is strong, and lever closing time is short, is convenient for keep apart the air.

3. The balance structure body can be a balancing weight or a spring, the balance effect is good, the structure is simple, and the installation and the disassembly are convenient.

4. Through at inlet tube top installation overflow cap, when taking place the overflow, the formation of the vortex above the inlet tube mouth of pipe has been prevented to the overflow cap, has effectively reduced the noise that the moisturizing sent, and the flow of water tends to stably to there is higher water velocity, thereby has improved the overflow capacity of overflow valve.

5. The limiting boss used for being in interference fit with the disc and limiting the rotation angle of the disc is arranged at the bottom of the connecting plate, so that the situation that the overflow valve fails due to the fact that the overflow valve cannot reset due to the fact that the opening angle of the lever guide pillar is too large can be effectively prevented, and the overflow valve can run more stably.

6. The utility model discloses an overflow valve both can install in the overflow pipe of drain valve, realizes the function of isolated air and overflow, also can install alone in the water tank bottom, realizes overflow and moisturizing function.

Drawings

Fig. 1 is a schematic structural diagram of the overflow valve of the present invention.

Fig. 2 is an exploded view of a relief valve according to the first embodiment.

Fig. 3 is a schematic view of an internal structure of the relief valve according to the first embodiment.

Fig. 4 is a schematic sectional view taken along the direction a-a in fig. 1.

Fig. 5 is a schematic perspective view of the overflow cover.

Fig. 6 is a schematic structural view of the lever guide post.

Fig. 7 is another angle structure diagram of the lever guide post.

Fig. 8 is an operation schematic diagram of the relief valve according to the first embodiment, in which fig. 8a is a schematic diagram of the relief valve when closed, fig. 8b is a schematic diagram of the relief valve when open, and fig. 8c is a schematic diagram of the relief valve when fully open.

Fig. 9 is a schematic view showing a first usage state of the overflow valve of the first embodiment when the overflow valve is mounted on the overflow pipe of the drain valve.

Fig. 10 is a schematic view showing a second usage state of the overflow valve of the first embodiment when the overflow valve is mounted on the overflow pipe of the drain valve.

Fig. 11 is a schematic view showing a first usage state of the relief valve according to the first embodiment when the relief valve is mounted alone.

Fig. 12 is a schematic view showing a second usage state of the relief valve according to the first embodiment when the relief valve is mounted alone.

Fig. 13 is an exploded view of the relief valve according to the second embodiment.

Fig. 14 is a schematic view of the internal structure of a relief valve according to a second embodiment.

Fig. 15 is an operation schematic diagram of a relief valve according to a second embodiment, in which fig. 15a is a schematic diagram of the relief valve when closed, fig. 15b is a schematic diagram of the relief valve when open, and fig. 15c is a schematic diagram of the relief valve when fully open.

Fig. 16 is an exploded view of the relief valve according to the third embodiment.

Fig. 17 is a schematic view of the internal structure of a relief valve according to a third embodiment.

Fig. 18 is an operation schematic diagram of a relief valve according to a third embodiment, in which fig. 18a is a schematic diagram of the relief valve when closed, and fig. 18b is a schematic diagram of the relief valve when open.

Fig. 19 is an exploded view of the relief valve according to the fourth embodiment.

Fig. 20 is a schematic view of the internal structure of a relief valve according to a fourth embodiment.

Fig. 21 is an operation schematic diagram of a relief valve according to a fourth embodiment, in which fig. 21a is a schematic diagram of the relief valve when closed, and fig. 21b is a schematic diagram of the relief valve when open.

Description of the main component symbols: 1. a housing; 10. a cavity; 101. a water inlet pipe; 102. a water outlet pipe; 103. an overflow upper cover; 104. an overflow base; 105. an overflow cap; 11. a connecting plate; 110. positioning holes; 111. a limiting boss; 12. a lever guide post; 120. positioning a rod; 13. sealing the rubber gasket; 130. a through hole; 14. a disc; 141. a positioning column; 142. an annular positioning groove; 15. a balancing weight; 16. buckling; 17. a spring; 18. a support bar; 19. a transverse plate; 2. a drain valve; 20. an overflow pipe; 3. a water inlet valve; 30. a water replenishing pipe; 4. a water tank; α: and an acute included angle is formed between the sealing end face and the vertical face.

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. 1-7, an overflow valve for improving overflow capacity comprises a housing 1, a cavity 10 is formed inside the housing 1, and a water inlet pipe 101 and a water outlet pipe 102 which are communicated with the cavity 10 are respectively arranged at the top and the bottom of the housing 1. In inlet tube 101 bottom stretched into cavity 10, the roof of cavity 10 had set firmly support piece at inlet tube 101's side, and support piece includes two connecting plates 11 that are parallel to each other and set up at interval, has seted up locating hole 110 on the connecting plate 11. The lower part of the supporting piece is hinged with a lever guide post 12, two sides of the lever guide post 12 respectively extend outwards to form two positioning rods 120, and the two positioning rods 120 are respectively hinged with the positioning holes 110 on the two connecting plates 11.

One end of the lever guide post 12 is fixedly provided with a sealing rubber pad 13 which is used for being matched with the bottom of the water inlet pipe 101 in a sealing way, one end of the lever guide post 12 on the sealing rubber pad is fixedly provided with a disc 14, and the sealing rubber pad 13 is fixed on the top of the disc 14. The top center of the disc 14 extends upward to form a positioning column 141, the lower portion of the positioning column 141 is provided with an annular positioning groove 142, and the center of the sealing rubber pad 13 is provided with a through hole 130 for being clamped into the annular positioning groove 142. The bottom of the connecting plate 11 extends downward to form a limit boss 111 for interference fit with the disk 14 and limiting the rotation angle of the disk 14.

The sealing end face of the bottom of the water inlet pipe is obliquely arranged, and an acute included angle alpha formed between the sealing end face and the vertical face is 25-65 degrees. The lever guide post 12 is provided with a balance structure at one end far away from the disc 14 for forming lever balance with the sealing rubber pad 13 and driving the sealing rubber pad 13 to reset upwards. The balance structure is a counterweight 15, and the counterweight 15 is fixed on the lever guide post 12 through a buckle 16.

Preferably, in order to facilitate the assembly and disassembly, the housing 1 comprises an overflow upper cover 103 and an overflow base 104, which are inserted into each other, the water inlet pipe 101 is fixedly arranged on the overflow upper cover 103, an overflow cap 105 for preventing the generation of vortex is arranged on the top of the water inlet pipe 101, and the water outlet pipe 102 is fixedly arranged on the overflow base 104.

As shown in fig. 8, under normal conditions, the lever guide post 12 is in a closed state (fig. 8a) because of the gravity of the counterweight block 15, the moment M1 of the counterweight block 15 is greater than the moment M2 of the other end of the lever guide post 12; when the sealing rubber gasket 13 is subjected to external force (for example, water is supplemented through a water supplementing pipe), and the moment M4 is greater than the moment M3 of the counterweight block 15, the lever guide post 12 is opened (fig. 8 b); when the sealing rubber pad is subjected to the external force to increase continuously (for example, the water tank overflows), and the moment M6 is larger than the moment M5 of the counterweight block 15, the lever guide post 12 is opened completely to realize the overflow (fig. 8 c).

Fig. 9 and 10 are schematic views showing a state of use of the overflow valve of the present embodiment when the overflow valve is attached to the overflow pipe 20 of the drain valve 2. The overflow outlet is arranged on the side wall of the water outlet of the valve base, and the initial state is as follows: the lever guide post 12 is in a closed state because the moment of the counter weight 15 is larger than the moment of the other end of the lever guide post 12; when the water inlet valve 3 works, two streams of water are injected into the water tank 4, and the other stream of water is injected into the water inlet pipe 101 through the water supplementing pipe 30. When the moment generated by the flowing water stored in the water inlet pipe 101 is larger than the moment of the balancing weight 15, the lever guide post 12 is opened, and the redundant water enters the toilet pipeline through the water outlet of the valve base to realize the function of water supplement. When the water inlet valve 3 does not stop water and continuously enters water, the water tank 4 overflows, the water flows into the water inlet pipe 101 from the side edge of the overflow cap 105, when the moment generated by the flowing water stored in the water inlet pipe 101 is larger than the moment of the counter weight 15, the lever guide post 12 is completely opened, and the water flows to a toilet pipeline through the water outlet of the valve base to realize overflow.

Fig. 11 and 12 are schematic views showing a use state of the relief valve of the present embodiment when the relief valve is mounted alone. The overflow pipe 20 is independently installed on the water tank 4, the overflow outlet is arranged at the bottom of the water tank 4, and the side wall of the water outlet of the base of the drain valve is not provided with an overflow channel. Initial state: the lever guide post 12 is in a closed state because the moment of the counter weight 15 is larger than the moment of the other end of the lever guide post 12; when the water inlet valve 3 works, two streams of water are injected into the water tank 4, and the other stream of water is injected into the water inlet pipe 101 through the water supplementing pipe 30. When the moment generated by the flowing water stored in the water inlet pipe 101 is larger than the moment of the balancing weight 15, the lever guide post 12 is opened, and the surplus water enters the toilet pipeline through the overflow pipe 20 to realize the function of water supplement. When the water inlet valve 3 does not stop water and continuously enters water, the water tank 4 overflows, the water flows into the water inlet pipe 101 from the side edge of the overflow cap 105, when the moment generated by the flowing water stored in the water inlet pipe 101 is larger than the moment of the counterweight block 15, the lever guide post 12 is completely opened, and the water flows to a toilet pipeline through the overflow pipe 20 to realize overflow.

Example two

As shown in fig. 1, 13 and 14, the present embodiment differs from the first embodiment only in that: the balance structure body is a spring 17, a supporting rod 18 is fixedly arranged on the top wall of the cavity 10 at the side edge of the supporting piece, and a transverse plate 19 is fixedly arranged at the lower part of the supporting rod 18 at a position lower than the hinged fulcrum of the lever guide column 12. The lower end of the spring is fixed on the transverse plate 19, and the upper end of the spring is connected with the bottom of the lever guide post 12 and is in a stretching state. The rest of the structure of the present embodiment is the same as that of the first embodiment.

As shown in fig. 15, under normal conditions, the lever guide post 12 is under the action of the pulling force of the spring 17, the moment M1 generated by the spring 17 is greater than the moment M2 at the other end of the lever guide post 12, and the lever guide post 12 is in a closed state (fig. 15 a); when the sealing rubber gasket 13 is subjected to an external force (for example, water is supplemented through a water supplementing pipe), and the moment M4 is greater than the moment M3 generated by the spring 17, the lever guide post 12 is opened (fig. 15 b); when the sealing rubber gasket is subjected to the external force to be continuously increased (for example, the water tank overflows), the moment M6 is larger than the moment M5 generated by the spring 17, and the lever guide post 12 is completely opened to realize the overflow (fig. 15 c). The rest of the installation modes and the realized functions of the embodiment are the same as those of the first embodiment.

EXAMPLE III

As shown in fig. 1, 16, and 17, the present embodiment differs from the first embodiment only in that: the sealing end surface at the bottom of the water inlet pipe 101 is a horizontal surface, and the rest of the structure of the embodiment is the same as that of the first embodiment.

As shown in fig. 18, under normal conditions, the lever guide post 12 is in a closed state (fig. 18a) because the moment M1 of the counter weight 15 is greater than the moment M2 of the other end of the lever guide post 12 due to the gravity of the counter weight 15; when the sealing rubber pad 13 is subjected to an external force, the moment M4 is greater than the counter weight moment M3, and the lever guide post 12 is opened (fig. 18 b). The rest of the installation modes and the realized functions of the embodiment are the same as those of the first embodiment.

Example four

As shown in fig. 1, 19 and 20, the present embodiment is different from the second embodiment only in that: the sealing end surface at the bottom of the water inlet pipe 101 is a horizontal surface, and the rest of the structure of the embodiment is the same as that of the embodiment.

As shown in fig. 21, under normal conditions, the lever guide post 12 is under the action of the pulling force of the spring 17, the moment M1 generated by the spring 17 is greater than the moment M2 at the other end of the lever guide post 12, and the lever guide post 12 is in a closed state (fig. 21 a); when the sealing rubber pad 13 is subjected to an external force, the moment M4 is greater than the moment M3 generated by the spring 17, and the lever guide post 12 is opened (FIG. 21 b). The rest of the installation modes and the realized functions of the embodiment are the same as those of the 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 (10)

1. The utility model provides an improve overflow valve of overflow capacity, includes the shell, the cavity has been seted up to the inside of shell, shell top and bottom be equipped with respectively with inlet tube and outlet pipe that the cavity is linked together, its characterized in that: the bottom of the water inlet pipe extends into the cavity, a supporting piece is fixedly arranged on the top wall of the cavity at the side edge of the water inlet pipe, a lever guide pillar is hinged to the lower portion of the supporting piece, a sealing rubber mat used for being in sealing fit with the bottom of the water inlet pipe is fixedly arranged at one end of the lever guide pillar, and a balance structure body used for forming lever balance with the sealing rubber mat and driving the sealing rubber mat to reset upwards is arranged at the other end of the lever guide pillar.

2. An excess flow valve with enhanced excess flow capacity as claimed in claim 1, wherein: the sealing end face of the bottom of the water inlet pipe is a horizontal plane.

3. An excess flow valve with enhanced excess flow capacity as claimed in claim 1, wherein: the seal end face of inlet tube bottom slope sets up, the acute angle contained angle that forms between seal end face and the vertical face is 25 ~ 65.

4. An excess flow valve with enhanced excess flow capacity as claimed in any one of claims 1-3, wherein: the balance structure body is a balancing weight, and the balancing weight is fixedly connected with the end part of one end of the lever guide post, which is far away from the sealing rubber pad, through threads or buckles.

5. An excess flow valve with enhanced excess flow capacity as claimed in any one of claims 1-3, wherein: the balance structure body is a spring, one end of the spring is fixed, and the other end of the spring is connected with the bottom of the lever guide post and is in a stretching state.

6. An excess flow valve with enhanced excess flow capacity as claimed in claim 5, wherein: the top wall of the cavity is fixedly provided with a supporting rod at the side edge of the supporting piece, the lower part of the supporting rod is fixedly provided with a transverse plate at the position lower than the hinged fulcrum of the lever guide post, and the lower end of the spring is fixed on the transverse plate.

7. An excess flow valve with enhanced excess flow capacity as claimed in claim 1, wherein: the shell include the overflow upper cover and the overflow base of pegging graft each other, the inlet tube sets firmly on the overflow upper cover, the overflow cap that is used for preventing the vortex from producing is installed at the inlet tube top, the outlet pipe sets firmly on the overflow base.

8. An excess flow valve with enhanced excess flow capacity as claimed in claim 1, wherein: the lever guide column is characterized in that a disc is fixedly arranged at one end of a sealing rubber pad, the sealing rubber pad is fixed to the top of the disc, the center of the top of the disc extends upwards to form a positioning column, an annular positioning groove is formed in the lower portion of the positioning column, and a through hole used for being clamped into the annular positioning groove is formed in the center of the sealing rubber pad.

9. An excess flow valve with enhanced excess flow capability according to claim 8, further comprising: the two sides of the lever guide pillar extend outwards respectively to form two positioning rods, the supporting piece comprises two connecting plates which are parallel to each other and arranged at intervals, positioning holes are formed in the connecting plates, and the two positioning rods are hinged to the positioning holes in the two connecting plates respectively.

10. An excess flow valve with enhanced excess flow capability as claimed in claim 9, wherein: the bottom of the connecting plate extends downwards to form a limiting boss which is used for being in interference fit with the disc and limiting the rotating angle of the disc.

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