Drain valve of tracheal adapter structure capable of realizing quick replacement and repair and closestool water tank thereof

Abstract

The utility model discloses a kind of drain valve and its closestool water tank of tracheal conversion joint structure of realizing quick replacement, and its technical solution main points include drain valve body, pneumatic device, gas supply device, pneumatic device with between the gas supply device is communicated through trachea, detachably connected with conversion joint on pneumatic device, trachea is connected with pneumatic device through conversion joint, after gas supply device is supplied with pneumatic device through trachea, pneumatic device controls the drain valve body and starts drainage;The utility model increases the mode of conversion joint between trachea and quick connector group, soft and hard gas pipe can be adapted, the convenient replacement of different material hardness gas pipe is realized, and installation position accuracy is accurate, effectively reduce the replacement difficulty of end user, satisfy the gas pipe demand of user different scene, different use environment.

Description

Technical Field

[0001] This utility model relates to the field of toilet technology, and more specifically to a drain valve with a gas pipe conversion joint structure that enables quick replacement and repair, and its toilet tank. Background Technology

[0002] Many existing flushing water tanks use pneumatic drive, which is popular with consumers due to its gentle push-button feel. Their air hose connections often employ quick-connect and disconnectable connectors, and the corresponding air hoses are generally made of high-rigidity tubing.

[0003] However, due to different usage scenarios and environments, some users may need to replace the original rigid air hose (such as PU air hose) with a softer air hose (such as silicone air hose). However, because the replaced air hose is softer, it cannot be inserted into the original pneumatic device. The sealing method needs to be changed from sealing through the outer diameter of the air hose to sealing through the inner diameter of the air hose. Therefore, the replacement is more complicated, requiring disassembly and reassembly of the valve body and air supply device, making it difficult for end users to replace. Utility Model Content

[0004] To solve the above problems, this utility model provides the following technical solution:

[0005] A drain valve with a duct adapter structure that enables quick replacement includes a drain valve body, a pneumatic device, and an air supply device. The pneumatic device and the air supply device are connected by an air pipe. An adapter is detachably connected to the pneumatic device. The air pipe is connected to the pneumatic device through the adapter. When the air supply device supplies air to the pneumatic device through the air pipe, the pneumatic device controls the drain valve body to start draining.

[0006] The present invention is further configured such that: a conversion connector is detachably connected to the air supply device, and the air pipe is connected to the pneumatic device and the air supply device respectively through the conversion connector.

[0007] The present invention is further configured such that: the adapter includes a fixing part and a connecting part, the fixing part is used to be inserted into the quick connector assembly, the air tube is sleeved on the connecting part, and a limiting boss protrudes between the fixing part and the connecting part.

[0008] The present invention is further configured such that: the conversion connector is a rigid pipe, the air pipe is a rigid pipe or a flexible pipe, the rigid pipe can be any one of rigid PU pipe, PVC pipe, PA pipe, and the flexible pipe can be any one of silicone pipe, rubber pipe, soft PU pipe.

[0009] The present invention is further configured such that: the pneumatic device is provided with a quick connector group, the quick connector group is detachably connected with a conversion connector, one end of the air pipe is sleeved on the conversion connector, and the other end is connected to the air supply device.

[0010] The present invention is further configured such that: the pneumatic device includes a fixed base and an airbag assembly; the airbag assembly is mounted on the drain valve body via the fixed base; the airbag assembly includes a housing and an airbag body and an airbag cover fixed inside the housing; and the adapter is fixed to the airbag cover.

[0011] The present invention is further configured such that: the quick connector assembly includes a retaining seat, a retaining spring is provided on the periphery of the adapter, the adapter is inserted into the retaining seat and communicates with the pneumatic device, the retaining spring locks the periphery of the adapter, and a retaining spring opening and closing key is slidably connected on the retaining seat. By pressing the retaining spring opening and closing key, the retaining spring is released from locking the adapter, thereby realizing the detachable connection of the adapter.

[0012] The present invention is further configured such that the air supply device is a mechanical pneumatic button or an electrically controlled air pump.

[0013] The present invention is further configured such that: both the pneumatic device and the air supply device are detachably connected to the quick connector assembly, the fixed parts of the two quick connectors are respectively inserted into the quick connector assembly, and the two ends of the air pipe are respectively sleeved on the connecting parts of the quick connector.

[0014] The toilet tank is equipped with a drain valve with a quick-repair air pipe adapter structure as described in any of the above-mentioned embodiments. The tank has an inlet and an outlet, and the water in the tank is drained to the outlet by activating the drain valve.

[0015] Compared with the prior art, the present invention has at least the following advantages:

[0016] 1. By adding an adapter between the trachea and the quick connector assembly, the adapter can be inserted into the quick connector assembly in the same way as the original rigid trachea when replacing it. Then, the trachea to be replaced can be inserted into this adapter. This makes both flexible and rigid tracheas compatible, enabling convenient replacement of tracheas of different materials and hardness. The replacement process is simple and the installation position is accurate, effectively reducing the replacement difficulty for end users and meeting the trachea needs of users in different scenarios and usage environments.

[0017] 2. The adapter has a protruding limiting boss, which can precisely limit the connection stroke between the adapter and the quick connector assembly and the air tube, avoiding excessive or shallow connection, ensuring the reliability of the connection at both ends, simplifying the assembly process, and improving the user's installation efficiency. Attached Figure Description

[0018] Figure 1 This is an overall schematic diagram of this embodiment;

[0019] Figure 2 This is a schematic diagram of the pneumatic device.

[0020] Figure 3 This is a cross-sectional view of the adapter;

[0021] Figure 4 This is a cross-sectional view of the pneumatic device;

[0022] Figure 5 yes Figure 4 An enlarged schematic diagram of part A in the middle;

[0023] Figure 6 This is a schematic diagram of an explosion of a pneumatic device;

[0024] Figure 7 This is a schematic diagram of the fixed snap ring structure.

[0025] Explanation of reference numerals in the attached figures:

[0026] 1. Drain valve body; 2. Pneumatic device; 201. Fixing base; 202. Airbag assembly; 2021. Outer shell; 2022. Airbag body; 2023. Airbag cover; 3. Air supply device; 4. Quick connector assembly; 401. Card holder; 402. Fixing circlip; 403. Circlip opening and closing key; 404. Retaining ring; 405. Sealing ring; 5. Adaptor; 501. Fixing part; 502. Connecting part; 503. Limiting boss; 6. Air pipe. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can typically be arranged and designed in various different configurations.

[0028] like Figure 1 and Figure 2 As shown, a drain valve with a quick-repair air pipe adapter structure includes a drain valve body 1, a pneumatic device 2, and an air supply device 3. The pneumatic device 2 and the air supply device 3 are connected by an air pipe 6. An adapter 5 is detachably connected to the pneumatic device 2. One end of the air pipe 6 is connected to the pneumatic device 2 via the adapter 5, and the other end is directly connected to the air supply device 3. When the air supply device 3 supplies air to the pneumatic device 2 via the air pipe 6, the pneumatic device 2 controls the drain valve body 1 to start draining.

[0029] Specifically, the pneumatic device 2 is equipped with a quick-connect assembly 4, on which a conversion connector 5 is detachably connected. The conversion connector 5 is installed on the pneumatic device 2 via the quick-connect assembly 4. One end of the air pipe 6 is fitted onto the conversion connector 5, and the other end is directly connected to the air supply device 3.

[0030] The adapter 5 is a rigid tube. When replacing it, it can be inserted into the quick connector assembly 4 using the same connection method as the original rigid air tube 6. The air tube 6 can then be connected to the adapter 5. Therefore, the air tube 6 can be either a rigid tube or a flexible tube, allowing for convenient replacement of air tubes 6 made of different materials and with varying rigidities. The rigid tube has a higher rigidity than the flexible tube. The rigid tube can be any of the following: rigid PU tube, PVC tube, or PA tube. The flexible tube can be any of the following: silicone tube, rubber tube, or soft PU tube.

[0031] like Figure 3 As shown, the adapter 5 includes a fixing part 501 and a connecting part 502. The fixing part 501 and the connecting part 502 are internally connected. The fixing part 501 is sealed and snapped onto the pneumatic device 2, and the air tube 6 is sleeved on the connecting part 502. Specifically, the fixing part 501 is used to insert into the quick connector assembly 4. The fixing part 501 has a cylindrical structure, and its diameter is adapted to the inner diameter of the air passage of the quick connector assembly 4. The connecting part 502 has a cylindrical structure with a diameter smaller than that of the fixing part 501 and is coaxially arranged at the other end of the fixing part 501. The diameter of the connecting part 502 is adapted to the inner diameter of the air tube 6. A limiting boss 503 protrudes between the fixing part 501 and the connecting part 502. The limiting boss 503 is an annular protrusion on the peripheral sidewall, coaxially surrounding the connection between the fixing part 501 and the connecting part 502. The diameter of the boss is larger than the inner diameter of the quick connector assembly 4 and the air pipe 6. The limiting boss 503 can precisely limit the connection depth between the two ends of the adapter 5 and the quick connector assembly 4 and the air pipe 6, ensuring the reliability and uniformity of the connection at both ends.

[0032] In traditional systems, the rigid air tube 6 is directly inserted into the quick connector assembly 4, with the peripheral wall of the rigid air tube 6 fitting against the inner wall of the quick connector assembly 4, thereby achieving a seal on the outer diameter of the air tube 6. In this embodiment, the air tube 6 is sleeved on the conversion connector 5, with the inner wall of the air tube 6 and the peripheral wall of the connecting part 502 having an interference fit, thereby changing the sealing to the inner diameter of the air tube 6.

[0033] like Figures 4 to 7As shown, the pneumatic device 2 specifically includes a fixed base 201 and an airbag assembly 202. The airbag assembly 202 is mounted on the drain valve body 1 via the fixed base 201. The fixed base 201 is fixed to the side wall of the drain valve body 1 by bolts or snap-fit. The airbag assembly 202 is internally connected to the drain valve body 1 and is used to drive the drain valve body 1 to open and close. The airbag assembly 202 specifically includes a housing 2021, which is a cylindrical cavity structure with one open end. It also includes an airbag body 2022 and an airbag cover 2023 fixed inside the housing 2021. The adapter 5 is fixed to the airbag cover 2023 via a quick connector assembly 4, and its internal air passage is connected to the airbag body 2022.

[0034] The quick connector assembly 4 specifically includes a retainer 401 fixed on the airbag cover 2023. The adapter 5 passes through the retainer 401 and communicates with the pneumatic device 2. A retaining spring 402 is provided on the periphery of the adapter 5 in the retainer 401. The retaining spring 402 is an annular elastic element with an opening, which is embedded in the annular groove of the retainer 401. The inner edge of the retaining spring 402 protrudes towards the center of the air passage of the retainer 401. In the natural state, the inner protruding part of the retaining spring 402 will extend into the air passage. When the adapter 5 is inserted into the retainer 401, the inner protruding part of the retaining spring 402 abuts against the peripheral wall of the adapter 5. The direction in which the adapter 5 is pulled outward is opposite to the protruding part, thereby realizing the locking of the adapter 5.

[0035] A retaining ring key 403 is slidably connected to the card holder 401. By pressing the retaining ring key 403, the fixed retaining ring 402 is released from locking the adapter 5, enabling the adapter 5 to be detachably connected. The retaining ring key 403 is a ring structure coaxially arranged with the card holder 401. The adapter 5 passes through the middle of the retaining ring key 403. The top of the retaining ring key 403 has a tapered part. When the retaining ring key 403 is pressed inward, the tapered part pushes the protruding part of the fixed retaining ring 402 upward, causing the fixed retaining ring 402 to open as a whole. The protruding part separates from the peripheral wall of the adapter 5, thus allowing the adapter 5 to be pulled outward. The entire process requires no tools, achieving a quick "press to unlock - pull and insert" operation, greatly improving replacement efficiency. The tapered part abuts against the stepped surface of the inner wall of the card holder 401 at its bottom end, preventing the retaining ring key 403 from disengaging from the card holder 401.

[0036] The air supply device 3 can be a mechanical pneumatic button, which supplies air by manual pressing, or it can be an electrically controlled air pump, which supplies air automatically via a motor. In this embodiment, the air supply device 3 uses a mechanical pneumatic button.

[0037] Other embodiments: Both the pneumatic device 2 and the air supply device 3 are equipped with quick-connect coupling assemblies 4. The air supply device 3 is also detachably connected to an adapter 5 via the quick-connect coupling assembly 4. Both ends of the air pipe 6 are connected to the pneumatic device 2 and the air supply device 3 respectively via the adapter 5. Specifically, adapter 5s are detachably connected to the quick-connect coupling assemblies 4 on both sides. The fixing parts 501 of the two adapter 5s are inserted into the quick-connect coupling assembly 4, and both ends of the air pipe 6 are respectively fitted onto the connecting parts 502 of the adapter 5. To replace, first remove the old adapter 5, then insert the new adapter 5 into the quick-connect coupling assembly 4, and finally connect the new air pipe 6 to the adapter 5.

[0038] In other embodiments, such as when using a rigid air hose 6, a conversion connector 5 may be provided on the quick connector group 4 of the pneumatic device 2 or the quick connector group 4 of the air supply device 3, or no conversion connector 5 may be provided, and the rigid air hose 6 may be directly connected to the quick connector group 4.

[0039] The beneficial effects of this utility model are as follows:

[0040] The core design of "adapter 5 + quick connector group 4" effectively solves the problems of traditional flexible air tubes 6 being difficult to adapt and cumbersome to replace. The adapter 5 can be inserted into the quick connector group 4 in the same way as a rigid tube to adapt to both flexible and rigid air tubes 6 without changing the sealing method or disassembling the valve body; the snap ring opening and closing key 403 enables tool-less disassembly and assembly, and the limiting boss 503 precisely controls the connection depth, greatly reducing the difficulty of operation for users, flexibly adapting to home and commercial scenarios, meeting different usage needs, and balancing the convenience of replacement and repair, structural stability and scenario adaptability.

[0041] This embodiment also proposes a toilet tank, in which a drain valve with the aforementioned quick-repair air pipe conversion joint structure is installed. The tank has an inlet and an outlet, and the water in the tank is drained to the outlet by activating the drain valve.

[0042] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the design concept of the present utility model should be included within the protection scope of the present utility model.

[0043] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

Claims

1. A drain valve with a duct adapter structure enabling quick replacement and repair, comprising a drain valve body, a pneumatic device, and an air supply device, wherein the pneumatic device and the air supply device are connected via an air pipe, characterized in that: The pneumatic device is detachably connected to a conversion connector, and the air pipe is connected to the pneumatic device through the conversion connector. When the air supply device supplies air to the pneumatic device through the air pipe, the pneumatic device controls the drain valve body to start draining.

2. The drain valve with a quick-repair duct conversion joint structure according to claim 1, characterized in that: The air supply device is detachably connected to a conversion connector, and the air pipe is connected to the pneumatic device and the air supply device respectively through the conversion connector.

3. The drain valve with a quick-repair duct conversion joint structure according to claim 1, characterized in that: The adapter includes a fixing part and a connecting part. The fixing part is sealed and snapped onto the pneumatic device. The air tube is sleeved on the connecting part. A limiting boss protrudes between the fixing part and the connecting part.

4. The drain valve with a quick-repair duct conversion joint structure according to claim 1, characterized in that: The airway can be a rigid tube or a flexible tube. The rigid tube can be any one of rigid PU tube, PVC tube, or PA tube, and the flexible tube can be any one of silicone tube, rubber tube, or soft PU tube.

5. The drain valve with a quick-repair duct conversion joint structure according to claim 1, characterized in that: The pneumatic device is equipped with a quick-connect assembly, on which a conversion connector is detachably connected. One end of the air pipe is fitted onto the conversion connector, and the other end is connected to the air supply device.

6. The drain valve with a quick-repair duct conversion joint structure according to claim 1, characterized in that: The pneumatic device includes a fixed base and an airbag assembly. The airbag assembly is mounted on the drain valve body via the fixed base. The airbag assembly includes a housing and an airbag body and an airbag cover fixed inside the housing. The adapter is fixed to the airbag cover.

7. A drain valve with a quick-repair duct conversion joint structure according to claim 5, characterized in that: The quick connector assembly includes a retainer, on which a retaining spring is provided around the adapter. The adapter passes through the retainer and communicates with a pneumatic device. The retaining spring locks the peripheral wall of the adapter in place. A retaining spring opening / closing key is slidably connected to the retainer. By pressing the retaining spring opening / closing key, the retaining spring is released from locking the adapter, thus enabling the adapter to be detachably connected.

8. The drain valve with a quick-repair duct conversion joint structure according to claim 1, characterized in that: The air supply device is a mechanical pneumatic button or an electrically controlled air pump.

9. A toilet tank, characterized in that: The water tank is equipped with a drain valve with a quick-repair air pipe conversion joint structure as described in any one of 1-8 above. The water tank has an inlet and an outlet, and the water in the water tank is drained to the outlet by activating the drain valve.

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