CN220747127U - Foaming agent supply device and toilet seat - Google Patents

Abstract

The utility model discloses a foaming agent supply device, which belongs to the field of sanitary ware and solves the problem that a detergent can be attached to an elastic piece to reduce the service life of the elastic piece in the prior art. The utility model also provides a toilet seat, and the foaming agent supply device is adopted.

Description

Foaming agent supply device and toilet seat

Technical Field

The utility model relates to a sanitary ware, in particular to a foaming agent supply device and a toilet seat.

Background

The prior art discloses a foam generating device and an intelligent toilet using the device, the device has the publication number of CN112854387A, and particularly comprises a cylinder and an axially movable piston assembly arranged in the inner cavity of the cylinder, wherein the piston assembly and a separation plate of the inner cavity of the cylinder form an opening and closing function to control the conduction or separation of a detergent, the foam spraying part is provided with a pipe body with a hollow inside to form a mixing cavity, flushing water from a detergent supply part and the detergent are sprayed from a foam spraying port at the rear end of the pipe body to form foam after the mixing cavity is mixed, the foam generating device of the structure utilizes the water source pressure of the flushing water to complete the automatic introduction of the detergent, no electric elements such as an electric pump are adopted, the cost is low and the electricity consumption is reduced, in the prior art, the reset of the piston is driven by the elasticity of an elastic element, but the elastic element part in the prior art is positioned in a detergent entering cavity, the detergent in the cavity can be adhered to the elastic element, the detergent can corrode the elastic element, and the service life of the elastic element is reduced.

Disclosure of Invention

The utility model aims to provide a foaming agent supply device, which solves the problem that detergent can adhere to an elastic piece to reduce the service life of the elastic piece, ensures that the elastic piece cannot contact fluid, and prolongs the service life of the elastic piece.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a foaming agent feeding device, includes the casing, is equipped with water pressure chamber, bubble agent chamber and piston assembly in the casing, and water pressure chamber is used for the intercommunication water supply assembly, bubble agent chamber be used for respectively with foaming agent storage device, foaming device intercommunication, piston assembly separates water pressure chamber and bubble agent chamber, and piston assembly has the first position that enlarges water pressure chamber volume and compression bubble agent chamber volume and the second position that enlarges bubble agent chamber volume, and piston assembly moves to first position from the second position under water supply assembly's intake pressure effect, piston assembly includes with water pressure chamber inner wall sealing fit's first piston, with bubble agent chamber inner wall sealing fit's second piston, first piston and second piston synchronous motion, be located between first piston and the second piston in the casing, be equipped with the elastic component that makes piston assembly reset from first position to second position in the sealing chamber.

After the technical scheme is adopted, the utility model has the following advantages: a sealing cavity is formed between the first piston and the second piston in the shell, the elastic piece is positioned in the sealing cavity, when the first piston and the second piston do synchronous reciprocating motion, the foaming agent sucked into the foaming agent cavity and the water in the water pressure cavity are not contacted with the elastic piece, the elastic piece is not adhered and corroded by the foaming agent and the water, and the service life of the elastic piece is prolonged.

Further, the casing is equipped with the location step at the inner wall in sealed chamber, and the one end of elastic component supports in location step, the other end supports in first piston, adopts aforementioned technical scheme, and the location step provides the supporting point to the elastic component, improves the stability of elastic component operation, and the location step can let the elastic component better realization compression and release elastic potential energy.

Furthermore, the first piston and the second piston are connected through the connecting rod, and by adopting the technical scheme, the connecting rod enables the first piston and the second piston to synchronously move, and the balance of the first piston and the second piston during movement can be maintained.

Furthermore, the diameter of the first piston is larger than that of the second piston, and by adopting the technical scheme, the contact area of the first piston with the large diameter and water is larger, and larger thrust can be provided when the water pressure is lower, so that the elastic piece and the second piston are pushed to move.

Further, the casing is equipped with the connection end cover at the tip in water pressure chamber, and the connection end cover is equipped with the first interface of intercommunication water pressure chamber and water supply assembly, adopts aforementioned technical scheme, from first interface to water pressure intracavity injection water, and rivers are injected smoothly, and the water yield of injection is big, and the pressure applied to first piston is big for the speed that first piston promoted the second piston improves work efficiency.

Further, the connecting end cover is inserted into the shell for sealing connection, by adopting the technical scheme, the lower end of the connecting end cover limits the rising height of the first piston, the first piston is prevented from propping against the upper end face of the connecting end cover, the contact surface between the first piston and water inlet is reduced, and then the thrust to the elastic piece and the second piston is reduced.

Further, the casing is equipped with three way connection at the tip in foaming agent chamber, three way connection includes second interface, third interface and fourth interface, second interface and foaming agent chamber intercommunication, third interface and foaming agent storage device intercommunication, fourth interface and foaming device intercommunication, adopt aforementioned technical scheme, second interface and foaming agent chamber intercommunication, the reciprocating motion of second piston can make foaming agent intracavity produce the negative pressure, third interface and foaming agent storage device intercommunication, make foaming agent can enter into foaming agent intracavity from foaming agent storage device, fourth interface and foaming device intercommunication, make the foaming agent that enters into foaming agent intracavity can flow into foaming device from the fourth interface and foam.

Furthermore, the third interface department is equipped with the first check valve that lets foaming agent one-way inflow three way connection, adopts aforementioned technical scheme, restricts the flow direction of foaming agent in the foaming agent chamber, prevents that the foaming agent from flowing back to in the foaming agent storage device, avoids system confusion or damage.

Further, the second one-way valve for enabling the foaming agent to flow out of the three-way joint in one direction is arranged at the fourth interface, and by adopting the technical scheme, the foaming agent flows out of the foaming agent cavity in one direction, so that the foaming agent is prevented from flowing back into the foaming agent cavity, and system confusion or damage is avoided.

The utility model provides a toilet seat, includes water supply assembly, foaming agent storage device, foaming agent feeding device and foaming device, foaming agent feeding device exports the foam, foaming agent feeding device is the foaming agent feeding device of above-mentioned arbitrary technical scheme, water pressure chamber intercommunication water supply assembly, foaming agent chamber respectively with foaming agent storage device, foaming device intercommunication, water injection to water pressure intracavity through water supply assembly, make first piston drive second piston downstream, water pressure chamber discharge water first piston and second piston upward movement, make foaming agent intracavity produce the negative pressure with foaming agent in the foaming storage device inhale the foaming agent intracavity, rethread first piston and second piston downward movement, extrude the foaming agent to the foaming device in carry out quick foaming, foaming efficiency is high, can produce the foam of splashproof, improve user's use experience.

Drawings

The utility model is further described below with reference to the accompanying drawings:

fig. 1 is a full sectional view of a blowing agent supply apparatus of the present utility model.

Fig. 2 is a schematic view of the novel piston assembly of the present utility model in a first position.

Fig. 3 is a schematic view of the novel piston assembly of the present utility model in a second position.

FIG. 4 is a schematic diagram showing the connection of a blowing agent supply device to a water supply assembly, a blowing agent storage device and a blowing device according to the present utility model.

As shown in the figure, the device comprises a 1-shell, a 11-water pressure cavity, a 12-foaming agent cavity, a 121-second interface, a 122-third interface, a 1221-first one-way valve, a 123-fourth interface, a 1231-second one-way valve, a 13-piston assembly, a 131-first piston, a 132-second piston, a 133-sealing cavity, a 134-elastic piece, a 135-connecting rod, a 14-positioning step, a 15-connecting end cover, a 151-first interface, a 2-water supply assembly, a 3-foaming agent storage device and a 4-foaming device.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments.

The terms "first," "second," "third," "fourth" and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.

It should be understood that in the present utility model, "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements that are expressly listed or inherent to such process, method, article, or apparatus.

It should be understood that in the present utility model, "plurality" means two or more. "and/or" is merely an association relationship describing an association object, meaning that three relationships may exist, for example, X and/or Y may represent: x alone, X and Y together, and Y alone. The character "/" generally indicates that the context-dependent object is an "or" relationship. "comprising X, Y and Z", "comprising X, Y, Z" means that all three of X, Y, Z comprise, "comprising X, Y or Z" means that one of the three comprises X, Y, Z, and "comprising X, Y and/or Z" means that any one or any two or three of the three comprise X, Y, Z.

The technical scheme of the utility model is described in detail below by specific examples. The following specific embodiments may be combined with or replaced with each other according to actual situations, and the same or similar concepts or processes may not be described in detail in some embodiments.

As shown in fig. 1 to 3, the present utility model provides a foaming agent supplying device, comprising a housing 1, wherein a water pressure chamber 11, a foaming agent chamber 12 and a piston assembly 13 are arranged in the housing 1, the water pressure chamber 11 is used for communicating with a water supply assembly 2, the foaming agent chamber 12 is used for respectively separating the foaming agent storing device 3 and the foaming device 4 from the foaming agent chamber 12, the piston assembly 13 is provided with a first position for expanding the volume of the water pressure chamber 11 and compressing the volume of the foaming agent chamber 12 and a second position for compressing the volume of the water pressure chamber 11 and expanding the volume of the foaming agent chamber 12, the piston assembly 13 moves from the second position to the first position under the action of the water inlet pressure of the water supply assembly 2, the piston assembly 13 comprises a first piston 131 in sealing fit with the inner wall of the water pressure chamber 11 and a second piston 132 in sealing fit with the inner wall of the foaming agent chamber 12, the first piston 131 and the second piston 132 synchronously move, a sealing cavity 133 is formed between the first piston 131 and the second piston 132 in the housing 1, and an elastic piece 134 for resetting the piston assembly 13 from the first position to the second position is arranged in the sealing cavity 133.

In this embodiment, the piston assembly 13 separates the water pressure chamber 11 from the foaming agent chamber 12, the water supply assembly 2 injects water into the water pressure chamber 11, the pressure of the water moves the piston assembly 13 from the second position to the first position along with the injection of the water, the water pressure chamber 11 gradually expands, the foaming agent chamber 12 gradually becomes smaller, when the piston assembly 13 descends to the compression limit position of the elastic member 134, the water supply assembly 2 does not inject water into the water pressure chamber 11 any more, the piston assembly 13 is driven to move from the first position to the second position by the elastic potential energy of the elastic member 134, the water pressure chamber 11 gradually becomes smaller, the foaming agent chamber 12 gradually becomes larger, negative pressure is generated in the foaming agent chamber 12 to suck the foaming agent from the foaming agent storage device 3 into the foaming agent chamber 12, the piston assembly 13 moves from the second position to the first position again, the foaming agent is extruded from the foaming agent chamber 12 into the foaming device 4 to foam, the foaming agent is supplied from the foaming agent storage device 3 into the foaming device 4 by the reciprocating motion of the piston assembly 13, and the reciprocating motion of the piston assembly 13 and the elastic member 134 is driven by the elastic member 134, and the electric consumption of electric appliances is reduced.

In this embodiment, in order to solve the problem that the foaming agent adheres to the elastic member 134, the foaming agent corrodes the elastic member 134, and the service life of the elastic member 134 is reduced, as shown in fig. 1, a sealing cavity 133 is formed between the first piston 131 and the second piston 132 in the housing 1, the elastic member 134 is located in the sealing cavity 133, the first piston 131 is in sealing fit with the inner wall of the hydraulic cavity 11, the second piston 132 is in sealing fit with the inner wall of the foaming agent cavity 12, and when the first piston 131 and the second piston 132 do synchronous reciprocating motion, the foaming agent sucked into the foaming agent cavity 12 and the water in the hydraulic cavity 11 are not contacted with the elastic member 134, so that the elastic member 134 is prevented from being corroded by the foaming agent and the water, and the service life of the elastic member 134 is prolonged.

In one embodiment, in order to ensure stability of the elastic member 134, as shown in fig. 1, a positioning step 14 is disposed on an inner wall of the seal cavity 133 of the housing 1, one end of the elastic member 134 abuts against the positioning step 14, the other end abuts against the first piston 131, the top surface of the positioning step 14 is a plane, the upper and lower ends of the elastic member 134 are planes, the lower end of the elastic member 134 abuts against the top surface of the positioning step 14, the upper end of the elastic member 134 abuts against the lower end surface of the first piston 131, the plane of the positioning step 14 abuts against the plane of the elastic member 134, stability of the elastic member 134 is ensured, left and right swing of the elastic member 134 during operation is prevented, and stability of the elastic member is improved.

In one embodiment, to ensure that the first piston 131 and the second piston 132 can synchronously move, as shown in fig. 1, the first piston 131 and the second piston 132 are connected by a connecting rod 135, the upper end of the connecting rod 135 is connected with the lower end surface of the first piston 131, the lower end of the connecting rod 135 is connected with the upper end surface of the second piston 132, the center of the connecting rod 135 is coaxial with the centers of the first piston 131 and the second piston 132, the second piston 132 is parallel to the first piston 131, the connecting rod 135 ensures that the first piston 131 and the second piston 132 can synchronously move, and plays a guiding role on the movement track of the second piston 132 and the first piston 131.

In one embodiment, in order to ensure that the pressure of the water in the water pressure chamber 11 can push the second piston 132 to move, as shown in fig. 1, the diameter of the first piston 131 is larger than that of the second piston 132, the contact area between the first piston 131 with the large diameter and the water is larger, and the water pressure can also provide larger pushing force to push the elastic member and the second piston to move. The reciprocation of the second piston 132 causes a negative pressure to be generated in the foamer chamber 12, thereby sucking the foamer into the foamer chamber 12, and the area ratio of the first piston 131 and the second piston 132 can be adjusted to adjust the pressure of the foamer supply.

In one embodiment, in order to ensure that water can be smoothly injected into the water pressure cavity 11, as shown in fig. 1, the end portion of the water pressure cavity 11 of the housing 1 is provided with a connecting end cover 15, the connecting end cover 15 is provided with a first interface 151 for communicating the water pressure cavity 11 with the water supply assembly 2, the connecting end cover 15 is arranged at the end portion of the water pressure cavity 11, the first interface 151 is arranged on the connecting end cover 15, water is injected into the water pressure cavity 11 from the upper end of the water pressure cavity 11, water flow injection is smooth, the injected water quantity is large, pressure can be quickly generated on the first piston 131, and the working efficiency is improved.

In one embodiment, the connection end cover 15 is inserted into the housing 1 to be in sealing connection, the lower end of the connection end cover 15 limits the rising height of the first piston 131, so that the first piston 131 is prevented from propping against the upper end surface of the connection end cover 15, the contact surface between the first piston and the water inlet is reduced, and the thrust to the elastic piece and the second piston is reduced, which affects normal use.

In one embodiment, in order to control the flow rate and flow direction of the foaming agent, as shown in fig. 1, a three-way joint is arranged at the end part of the foaming agent cavity 12 of the shell 1, the three-way joint comprises a second joint 121, a third joint 122 and a fourth joint 123, the second joint 121 is communicated with the foaming agent cavity 12, the third joint 122 is communicated with the foaming agent storage device 3, the fourth joint 123 is communicated with the foaming device 4, the second joint 121 is communicated with the foaming agent cavity 12, the reciprocating motion of the second piston 132 can enable negative pressure to be generated in the foaming agent cavity 12, the third joint 122 is communicated with the foaming agent storage device 3, the foaming agent can enter the foaming agent cavity 12 from the foaming agent storage device 3, the fourth joint 123 and the foaming device 4 can enable the foaming agent entering the foaming agent cavity 12 to flow into the foaming device from the fourth joint 123, and the flow rate and flow direction of the foaming agent are controlled.

In one embodiment, to prevent the foaming agent from flowing back and causing system confusion or damage, as shown in fig. 1, a first one-way valve 1221 for allowing the foaming agent to flow into the three-way joint in one way is arranged at the third joint 122, when the first piston 131 and the second piston 132 move upwards, the foaming agent cavity 12 becomes larger, negative pressure is generated in the foaming agent cavity 12, at this time, the first one-way valve 1221 opens to the foaming agent cavity 12, the negative pressure can suck the foaming agent from the foaming agent storage device 3 into the foaming agent cavity 12, and when the first piston 131 and the second piston 132 move downwards, the first one-way valve 1221 closes, so as to limit the flow direction of the foaming agent in the foaming agent cavity 12 and prevent the foaming agent from flowing back into the foaming agent storage device 3, thereby avoiding system confusion or damage.

In one embodiment, to prevent the foaming agent from flowing back and causing system confusion or damage, as shown in fig. 1, a second one-way valve 1231 for allowing the foaming agent to flow out of the three-way joint in one direction is arranged at the fourth joint 123, when the foaming agent cavity 12 is filled with the foaming agent, the first piston 131 and the second piston 132 move downwards, the second piston 132 can press the foaming agent to push the second one-way valve 1231 to open, the foaming agent is pressed into the foaming device 4 to foam, the first piston 131 and the second piston 132 move upwards, the foaming agent cavity 12 is enlarged, negative pressure is generated in the foaming agent cavity 12, the negative pressure can close the second one-way valve 1231, and the foaming agent is prevented from flowing back into the foaming agent cavity 12, so that the system confusion or damage is avoided.

The utility model also provides a toilet seat, which comprises a water supply assembly 2, a foaming agent storage device 3, a foaming agent supply device and a foaming device 4, wherein the foaming device 4 outputs foam, the foaming agent supply device is the foaming agent supply device in any embodiment, as shown in fig. 4, a water pressure cavity 11 is communicated with the water supply assembly 2, a foaming agent cavity 12 is respectively communicated with the foaming agent storage device 3 and the foaming device 4, water is injected into the water pressure cavity 11 through the water supply assembly 2, so that a first piston 131 drives a second piston 132 to move downwards, the water pressure cavity 11 discharges the first piston 131 and the second piston 132 to move upwards, negative pressure is generated in the foaming agent cavity 12 to suck the foaming agent in the foaming storage device 3 into the foaming agent cavity 12, and then the foaming agent is extruded into the foaming device 4 through the downward movement of the first piston 131 and the second piston 132 to foam, so that the foaming agent can be quickly foamed, the foaming efficiency is high, the foam can be quickly produced, and the use experience of a user is improved.

In some models, the toilet bowl and the toilet bowl are manufactured in separate structures, and in other models, the toilet bowl and the toilet bowl are manufactured in an integrated structure.

In addition to the preferred embodiments described above, other embodiments of the present utility model are also contemplated as falling within the scope of the claimed utility model, as well as all other embodiments that may be made by one of ordinary skill in the art without making any inventive effort based on the embodiments of the present utility model.

Claims (10)

1. The utility model provides a foaming agent feeding device, includes the casing, be equipped with water pressure chamber, bubble agent chamber and piston assembly in the casing, water pressure chamber is used for the intercommunication water supply assembly, bubble agent chamber is used for respectively with foaming agent storage device, foaming device intercommunication, piston assembly separates water pressure chamber and bubble agent chamber, piston assembly has the first position that enlarges water pressure chamber volume and compression bubble agent chamber volume and the second position that compresses water pressure chamber volume and enlarge bubble agent chamber volume, piston assembly moves to first position from the second position under water supply assembly's intake pressure effect, a serial communication port, piston assembly includes with water pressure chamber inner wall sealing fit's first piston, with bubble agent chamber inner wall sealing fit's second piston, first piston and second piston synchronous motion lie in between first piston and the second piston in the casing, be equipped with the elastic component that makes piston assembly reset from first position to second position in the sealing chamber.

2. The foaming agent supplying apparatus of claim 1, wherein the housing is provided with a positioning step at an inner wall of the sealing chamber, and one end of the elastic member abuts against the positioning step and the other end abuts against the first piston.

3. The blowing agent supply apparatus of claim 1 wherein the first and second pistons are connected by a connecting rod.

4. The blowing agent supply of claim 1 wherein the diameter of the first piston is greater than the diameter of the second piston.

5. The foamer feeding device of claim 1 in which said housing is provided with a connecting end cap at the end of the hydraulic chamber, the connecting end cap being provided with a first port communicating the hydraulic chamber with the water supply assembly.

6. The blowing agent supply of claim 5 wherein said connection end cap is inserted into the housing for sealing connection.

7. The blowing agent supply of claim 1 wherein the housing has a tee at the end of the blowing agent chamber, the tee including a second port, a third port and a fourth port, the second port being in communication with the blowing agent chamber, the third port being in communication with the blowing agent reservoir, the fourth port being in communication with the blowing device.

8. The blowing agent supply of claim 7 wherein the third port is provided with a first one-way valve for allowing one-way flow of blowing agent into the three-way fitting.

9. The blowing agent supply of claim 7 wherein the fourth port is provided with a second one-way valve for allowing one-way flow of blowing agent out of the three-way fitting.

10. The toilet seat comprises a water supply assembly, a foaming agent storage device, a foaming agent supply device and a foaming device, wherein the foaming device outputs foam, the foaming agent supply device is the foaming agent supply device according to any one of claims 1 to 9, a water pressure cavity is communicated with the water supply assembly, and the foaming agent cavity is respectively communicated with the foaming agent storage device and the foaming device.