Pressurizing device for water inlet pipe of closestool

Abstract

The utility model discloses a supercharging device for a closestool water inlet pipe, and relates to the technical field of flow increasing and supercharging of pipeline water flow, a hollow elastic bag is arranged on the outer side face of the closestool water inlet pipe, the elastic bag is located above the water inlet pipe, the elastic bag is communicated with the water inlet pipe, and the elastic bag is located between a drain valve and a water source. A shell surrounds the outer side of the elastic bag, a sealed gas cavity is formed between the inner side face of the shell and the outer side face of the elastic bag, a one-way valve is arranged at the position of the water inlet pipe and is close to a water source, and the one-way water inlet direction of the one-way valve faces the elastic bag. After water flow flows into the elastic bag from a water source, water in the elastic bag is in a pressure maintaining state under the matching action of the one-way valve, the drainage valve in a closed state and the gas cavity, and after the drainage valve is opened, the pressure of sprayed water flow is ensured under the dual pressurization action of the gas cavity and the elastic bag.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of the flow and pressure increasing of pipeline water flow more specifically, it relates to a kind of pressure increasing device for toilet inlet pipe. BACKGROUND

[0002] In the field of bathroom, toilet is our common product, and the waterway and flushing assembly of toilet are often the key components determining the quality of toilet and the stable use of toilet by people, so it has been the place of focus upgrading and optimization for each enterprise.

[0003] The waterway of toilet includes the water inlet pipe installed inside the toilet, one end of the water inlet pipe is connected to the water source, the other end is connected to the drain valve, the drain valve is connected to the drain pipe below, the end of the drain pipe away from the drain valve is connected to the spray head, when flushing, water flows from the water source to the water inlet pipe, and then to the drain valve, if the drain valve is opened at this time, the water flow will continue to flow to the drain pipe, and then sprayed from the spray head, the sprayed water is used to flush the inside of the basin of toilet, and in order to maintain the pressure of water spray, some switch valves with pumps are often designed in the waterway area, and pressure packs are used to solve the problem of flushing pressure.

[0004] However, the switch valve with pump has complex structure and high cost.

[0005] And using pressure pack needs long time pressure maintaining and is not safe.

[0006] In order to solve the above problems, it has become a problem to be solved for people to design a pressure increasing device which can automatically store energy, automatically increase pressure according to water pressure change, has low cost and high safety. SUMMARY

[0007] In view of the existing technical problems, the utility model aims to provide a pressure increasing device for toilet inlet pipe, which can automatically store energy and increase pressure according to water pressure change to maintain the flushing pressure when water is sprayed, and has low cost and high safety.

[0008] To achieve the above purpose, the utility model provides the following technical scheme:

[0009] The utility model provides a kind of pressure boosting device for toilet inlet pipe, including inlet pipe, the inlet pipe one end is connected with water source, the other end is connected with drain valve, the inlet of drain valve is connected with the inlet pipe, the outlet of drain valve is connected with drain pipe, the end of drain pipe away from drain valve is connected with the nozzle for toilet flushing, the outside of inlet pipe is provided with hollow elastic bag, the elastic bag is located above the inlet pipe, the elastic bag is connected with the inlet pipe, the elastic bag is between drain valve and water source, the outside of elastic bag is surrounded by shell, the inside of shell is sealed gas chamber with the outside of elastic bag, the inlet pipe is provided with check valve, check valve is close to water source, the one-way water inlet direction of check valve is towards the elastic bag.

[0010] By adopting the above technical scheme, the water flow from the water source to the inlet pipe, and then flows to the left through the check valve, at this time, since the drain valve is closed, and the check valve causes the water in the section of the inlet pipe close to the drain valve to be unable to flow back to the water source through the check valve again, so under the condition of continuous water inflow from the water source, the water in the section of the inlet pipe between the drain valve and the check valve flows to the elastic bag and gradually fills the elastic bag, until the pressure in the elastic bag and the pressure in the gas chamber are in a balanced state, at this time, if the user controls the drain valve to open, and needs water flow to spray out from the nozzle, the water in the elastic bag will flow back to the section of the inlet pipe between the drain valve and the check valve, and then pass through the drain valve and the nozzle to spray out, at the same time, the pressure of the gas chamber and the elastic bag is applied to the water flow from the elastic bag to the inlet pipe, the pressure boosting is completed, the pressure of water flow spraying out is guaranteed, and the water sprayed out from the nozzle can flush the inside of the basin of the toilet clean.

[0011] Further, the shell is provided with an air valve, which is used for inflating and / or deflating the gas chamber.

[0012] By adopting the above technical scheme, the air valve is provided to facilitate the user to inflate and deflate the gas chamber, so as to adjust the pressure in the gas chamber to meet the user's requirements.

[0013] Further, the air valve is located away from the inlet pipe.

[0014] In actual use, the external space close to the toilet inlet pipe can be narrow, by adopting the above technical scheme, the air valve is located away from the inlet pipe, so that the user can more conveniently use the air valve to adjust the pressure.

[0015] Further, the drain valve is an electromagnetic pulse valve.

[0016] By adopting the technical scheme, the drain valve is set as an electromagnetic pulse valve, so that the user can conveniently control the opening and closing of the drain valve through electricity, and the use is more convenient.

[0017] Further, the outer side of the water inlet pipe is fixedly connected with a short pipe, one end of the short pipe is communicated with the water inlet pipe, and the other end is close to the shell, and the shell close to the short pipe is screwed with the outer side of the short pipe.

[0018] By adopting the technical scheme, the shell and the water inlet pipe can be better fixed by screwing, and the stability of the position of the shell is maintained.

[0019] Further, the inner side of the shell close to the short pipe is provided with a first ring groove, and the outer side of the elastic bag close to the short pipe is provided with an elastic ring, and the elastic ring is clamped with the first ring groove.

[0020] Further, the elastic ring is provided with a second ring groove, the opening direction of the second ring groove is perpendicular to the insertion direction of the elastic ring inserted into the first ring groove, and one side of the shell facing the second ring groove is fixedly connected with a rigid ring, and the rigid ring is clamped with the second ring groove.

[0021] By adopting the technical scheme, it is described how the elastic bag is fixed on the inner side of the shell, and this fixing mode is convenient to disassemble and makes the elastic bag not easy to loosen in use.

[0022] Compared with the prior art, the beneficial effects of the utility model are: 1, through the cooperation of the drain valve, the single valve and the elastic bag, the water flow is sufficient when the nozzle sprays water;2, through the mode of double-layer pressure sharing of the shell and the elastic bag, the overall safety of the entire pressure increasing component composed of the gas chamber and the elastic bag is enhanced, and explosion is not easy to occur;3, when the drain valve is opened, the gas chamber and the elastic bag jointly increase the pressure of water flow, so that the water flow pressure is more easily and conveniently increased, and the scouring pressure of the sprayed water flow is maintained. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the overall schematic view of the embodiment;

[0024] Figure 2 It is the partial sectional view of the embodiment highlighting the initial state of the elastic bag;

[0025] Figure 3 It is the partial sectional view of the embodiment highlighting the state of the elastic bag after being filled with water;

[0026] Figure 4 It is Figure 3 It is the enlarged schematic view of part A;

[0027] Figure 5For highlighting the partial exploded view of the elastic collar;

[0028] Figure 6 For Figure 5 Enlarged schematic view of the middle B part.

[0029] Reference signs: 1, water inlet pipe; 2, drain valve; 3, drain pipe; 4, spray head; 5, elastic bag; 6, shell; 7, gas chamber; 8, one-way valve; 9, gas valve; 10, short pipe; 11, first ring groove; 12, elastic collar; 13, second ring groove; 14, rigid collar. DETAILED DESCRIPTION

[0030] The utility model will be described in detail below in combination with the drawings and examples.

[0031] The utility model uses the terms "first", "second" or "third" and the like, which are all for distinguishing different objects and are not used to describe a specific order.

[0032] The orientation terms used by the utility model, such as "up", "down", "left", "right" and the like, are based on the orientation and positional relationship shown in the drawings and are only for facilitating the description of the utility model and simplifying the description and are not indicative or suggestive of the devices or elements referred to necessarily having a specific orientation or being constructed and operated in a specific orientation, so they cannot be understood as limiting the specific protection scope of the utility model.

[0033] The term "fixedly connected" used by the utility model should be understood in a broad sense, that is, any connection mode in which no displacement and relative rotation occur between the two during use.

[0034] The term "screwed" used by the utility model should be understood in a broad sense, that is, a connection mode in which two or more than two parts are connected together by using the mutual engagement force between threads, and tools such as screws and bolts can be used as parts for screwing the two parts.

[0035] See Figures 1 to 3As shown in the figure, a kind of booster for toilet water inlet pipe, including water inlet pipe 1, water inlet pipe 1 one end is connected with water source, the other end is connected with drain valve 2, the drain valve 2 can be electromagnetic pulse valve for drainage. The water outlet of the drain valve 2 is connected with drain pipe 3, the end of the drain pipe 3 away from the drain valve 2 is connected with the nozzle 4 for toilet flushing, the outside of the water inlet pipe 1 is provided with hollow elastic bag 5, the elastic bag 5 is located above the water inlet pipe 1, the elastic bag 5 is communicated with the water inlet pipe 1, the elastic bag 5 is located between the drain valve 2 and the water source, the outside of the elastic bag 5 is surrounded by the shell 6, the shell 6 is generally metal shell, the inside of the shell 6 and the outside of the elastic bag 5 form sealed gas chamber 7, the water inlet pipe 1 is provided with check valve 8, the check valve 8 is located on the side of the shell 6 close to the water source, the one-way water inlet direction of the check valve 8 is towards the elastic bag 5.

[0036] The water flow at the water source flows to the water inlet pipe 1 under certain pressure, and then flows to the side close to the drain valve 2 through the check valve 8, at this time, the drain valve 2 is controlled to be closed, and the water flow through the check valve 8 only flows to the left, and does not flow reversely, so that under the condition of continuous water inlet from the water source, the water in the section of the water inlet pipe 1 between the drain valve 2 and the check valve 8 flows into the elastic bag 5 and gradually fills the elastic bag 5, until the pressure in the elastic bag 5 and the pressure in the gas chamber 7 are balanced, at this time, the drain valve 2 is controlled to be opened, the water flow needs to be sprayed from the nozzle 4, the water in the elastic bag 5 flows back to the section of the water inlet pipe 1 between the drain valve 2 and the check valve 8, and then flows out through the drain valve 2 and the nozzle 4, at the same time, the pressure of the gas chamber 7 and the elastic bag 5 is applied to the water flow from the elastic bag 5 to the water inlet pipe 1, the pressure boosting is completed, the pressure of the water flow is ensured, and the water sprayed from the nozzle 4 can flush the inside of the basin of the toilet.

[0037] Referring to Figure 3 As shown in the figure, in order to facilitate the user to better adjust the air pressure in the gas chamber 7, a gas valve 9 can also be provided on the shell 6, the gas valve 9 is used for inflating the gas chamber 7 and / or exhausting the gas chamber 7, and the gas valve 9 is located away from the water inlet pipe 1.

[0038] Referring to Figure 3 , Figure 4 As shown in the figure, in order to keep the position of the shell 6 relatively unchanged, the shell 6 needs to be fixedly connected with the water inlet pipe 1, so a short pipe 10 is fixedly connected with the outside of the water inlet pipe 1, one end of the short pipe 10 is communicated with the water inlet pipe 1, the other end is close to the shell 6, and the shell 6 is screw-connected with the outside of the short pipe 10 close to the short pipe 10.

[0039] Referring to Figure 4 , Figure 5 , Figure 6As shown, in order to better fix the elastic ring 12 in the shell 6, make the shell 6 surround the elastic bag 5, make the position of the shell 6 and the elastic bag 5 keep relatively invariable, we set a first ring groove 11 on the inner side of the shell 6 near the short tube 10, set an elastic ring 12 on the outer side of the elastic bag 5 near the short tube 10, the elastic ring 12 is connected with the first ring groove 11, set a second ring groove 13 on the elastic ring 12, the setting direction of the second ring groove 13 is perpendicular to the inserting direction of the elastic ring 12 inserted into the first ring groove 11, the side of the shell 6 towards the second ring groove 13 is fixed with a rigid ring 14, the rigid ring 14 is connected with the second ring groove 13.

[0040] The preferred embodiments of the present application have been described above, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical scheme falling within the idea of the present application belongs to the protection scope of the present application. It should be noted that, for the ordinary skilled in the art, some improvements and decorations without departing from the principle of the present application are also considered as the protection scope of the present application.

Claims

1. A pressure boosting device for a toilet water inlet pipe, comprising a water inlet pipe (1) having one end in communication with a water source and the other end connected with a water outlet valve (2), the water inlet of the water outlet valve (2) being in communication with the water inlet pipe (1), the water outlet of the water outlet valve (2) being connected with a water outlet pipe (3), the water outlet pipe (3) having one end away from the water outlet valve (2) connected with a nozzle (4) for toilet flushing, characterized in that, The outer side of the water inlet pipe (1) is provided with a hollow elastic bag (5), the elastic bag (5) is located above the water inlet pipe (1), the elastic bag (5) is communicated with the water inlet pipe (1), the elastic bag (5) is located between the drain valve (2) and the water source, the outer side of the elastic bag (5) is surrounded by an outer shell (6), the inner side of the outer shell (6) and the outer side of the elastic bag (5) form a sealed gas chamber (7), the water inlet pipe (1) is provided with a one-way valve (8), the one-way valve (8) is close to the water source, the one-way water inlet direction of the one-way valve (8) is towards the elastic bag (5).

2. A pressure boosting device for a toilet inlet pipe according to claim 1, characterized in that The outer shell (6) is provided with a gas valve (9), which is used for inflating the gas chamber (7) and / or exhausting the gas chamber (7).

3. A pressure boosting device for a toilet inlet pipe according to claim 2, characterized in that The gas valve (9) is located away from the water inlet pipe (1) of the outer shell (6).

4. A pressure boosting device for a toilet inlet pipe according to claim 1, characterized in that, The drain valve (2) is an electromagnetic pulse valve.

5. A pressure boosting device for a toilet inlet pipe according to claim 1, characterized in that, The outer side of the water inlet pipe (1) is fixedly connected with a short pipe (10), one end of the short pipe (10) is communicated with the water inlet pipe (1), the other end is close to the outer shell (6), the outer shell (6) is screwed with the outer side of the short pipe (10) close to the short pipe (10).

6. A pressure boosting device for a toilet inlet pipe according to claim 5, characterized in that The inner side of the outer shell (6) is provided with a first ring groove (11) close to the short pipe (10), the outer side of the elastic bag (5) is provided with an elastic ring (12) close to the short pipe (10), the elastic ring (12) is clamped with the first ring groove (11).

7. A pressure boosting device for a toilet inlet pipe according to claim 6, characterized in that The elastic ring is provided with a second ring groove (13), the opening direction of the second ring groove (13) is perpendicular to the insertion direction of the elastic ring (12) inserted into the first ring groove (11), one side of the outer shell (6) towards the second ring groove (13) is fixedly connected with a rigid ring (14), the rigid ring (14) is clamped with the second ring groove (13).

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