CN217840214U

CN217840214U - Drainage driving mechanism and drainage device

Info

Publication number: CN217840214U
Application number: CN202222112072.8U
Authority: CN
Inventors: 黄葆佳; 胡诗明
Original assignee: Xiamen R&j Precision Technology Co ltd
Current assignee: Xiamen R&j Precision Technology Co ltd
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2022-11-18
Anticipated expiration: 2032-08-11

Abstract

The utility model discloses a drainage actuating mechanism and drainage device, drainage actuating mechanism include the casing, a cavity and a gas transmission channel have been seted up to the casing, be equipped with a piston in the cavity, just the piston will the cavity is separated and is formed a sealed chamber and an activity chamber, gas transmission channel one end with sealed chamber intercommunication, the other end are connected with an air pump, the air pump through a sealing connecting piece with gas transmission channel intercommunication, just sealing connecting piece is connected with one and unloads the pneumatic valve, air pump, unload the pneumatic valve all be connected with a control circuit, the activity intracavity is equipped with an elasticity reset piece, be equipped with the actuating lever on the piston, the piston motion drives the actuating lever and stretches out or withdraws the casing. The utility model discloses drainage actuating mechanism and drainage device, gas transmission channel and casing integrated into one piece, the structure of driving part adoption piston and actuating lever simultaneously, overall structure is succinct compact, and production equipment is convenient, production assembly process still less, can effectively raise the efficiency, reduce cost.

Description

Drainage driving mechanism and drainage device

Technical Field

The utility model relates to a relevant technical field of closestool particularly, relates to a drainage actuating mechanism and drainage device.

Background

A closestool, namely a toilet bowl, is an essential kitchen and bathroom appliance in life. With the continuous improvement of living standard of people, the automatic flushing of the closestool becomes an important function. The automatic flushing function of the closestool is realized through an automatic drainage driving mechanism. The existing automatic drainage driving mechanism is generally provided with a motor correspondingly arranged on a driving key of a drainage valve, a certain force value is input through the reduction of a motor gear set to drive the drainage valve, or a lever assembly is arranged, the lever assembly is driven by an air bag, the air bag is connected with an air pump through an air conveying hose, and the air pump inflates air to the air bag through the air conveying hose. The volume of the air bag is increased, and the lever assembly presses the driving button of the drain valve to realize automatic flushing. The drainage driving mechanism is short in service life, many in faults, not simple in structure, long in whole production and assembly process, complex and high in production cost.

In view of the above, the inventors of the present invention have invented a drainage driving mechanism and a drainage device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drainage actuating mechanism and drainage device that the structure is succinct compact, production assembly process is shorter, effectively raises the efficiency, reduce cost.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a drainage actuating mechanism and drainage device, includes the casing, a cavity and an air transmission channel have been seted up to the casing, be equipped with a piston in the cavity, just the piston will the cavity is separated and is formed a sealed chamber and a non-sealed movable chamber, air transmission channel one end with sealed chamber intercommunication, the other end are connected with an air pump, the air pump through a sealing connection with air transmission channel intercommunication, just sealing connection is connected with one and unloads the pneumatic valve, air pump, unload pneumatic valve all are connected with a control circuit, the activity intracavity is equipped with an elasticity piece that resets, elasticity piece one end and piston counterbalance, the other end offsets with movable intracavity wall, be equipped with the actuating lever on the piston, the piston motion drives the actuating lever and stretches out or withdraws the casing.

Further, the casing is equipped with the hole of stepping down that supplies the actuating lever to pass through, the inner wall in the hole of stepping down is equipped with a plurality of protruding muscle along the circumferencial direction.

Furthermore, the cavity is cylindrical and extends longitudinally, the peripheral outline of the piston is correspondingly circular, the sealing cavity is positioned above the movable cavity, and one end of the driving rod is connected with the bottom surface of the piston.

Furthermore, a first annular groove is formed in the peripheral side of the piston, and a first sealing ring is installed in the annular groove.

Furthermore, the elastic reset piece is a spring, the top end of the spring is abutted against the bottom end of the piston, and the bottom end of the spring is abutted against the inner wall of the movable cavity.

Furthermore, the gas transmission channel is arranged at the top end of the shell, one end of the gas transmission channel is communicated with the sealing cavity, and the other end of the gas transmission channel extends downwards to form an extension channel and is communicated with the air pump.

The air pump, the sealing connecting piece and the air relief valve are all arranged in the installation cavity.

Furthermore, the top end of the bottom shell is provided with a second annular groove matched with the shell, and a second sealing ring is installed in the second annular groove.

Furthermore, an installation clamping ring is arranged on the outer side surface of the shell or the bottom shell, two arc-shaped fastening pieces are arranged on the installation clamping ring along the circumferential direction of the installation clamping ring, and the two arc-shaped fastening pieces are fixedly connected through bolts.

A drainage device comprises the drainage driving mechanism and a drainage valve, wherein a driving rod is arranged corresponding to a drainage key of the drainage valve.

After the technical scheme is adopted, compared with the prior art, the utility model, have following advantage:

the utility model discloses drainage actuating mechanism and drainage device, gas transmission channel and casing integrated into one piece, the structure of simultaneous driving part adoption piston and actuating lever, overall structure is succinct compact, and follow-up each part installation is simple and convenient simultaneously, and production assembly process is still less, the flow is shorter, can effectively raise the efficiency reduce cost.

Drawings

FIG. 1 is a perspective view of a drainage driving mechanism according to an embodiment of the present invention;

fig. 2 is a perspective view of another viewing angle of the drainage driving mechanism according to the embodiment of the present invention;

FIG. 3 is a sectional view of a drainage driving mechanism according to an embodiment of the present invention;

FIG. 4 is a sectional perspective view of a drainage driving mechanism according to an embodiment of the present invention;

fig. 5 is a schematic view illustrating an assembly of the drain driving mechanism and the drain valve according to the embodiment of the present invention, i.e., a perspective view of the drain device;

fig. 6 is a perspective view of another perspective view of a drainage device in accordance with an embodiment of the present invention.

Description of the reference numerals:

10-a water-discharging driving mechanism, wherein,

11-a housing, wherein the housing is provided with a plurality of grooves,

111-cavity, 1111-sealing cavity, 1112-movable cavity, 1113-elastic restoring piece, 1134-bottom cover,

112-piston, 1121-drive rod, 1122-first seal ring,

113-gas transmission channel, 1131-sealing cover,

114-an air pump for supplying air to the chamber,

115-a sealing connection piece, which is,

116-a gas-discharging valve, wherein,

117-the power supply,

118-a hole for the purpose of avoiding,

12-a bottom shell, 121-a second sealing ring,

13-installing a snap ring, 131-an arc fastening piece,

20-a water discharge valve, wherein,

21-a drainage button and 22-a drain pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or position relationship shown in the drawings, and are only for convenience of description and simplification of the present invention, but do not indicate or imply that the device or element of the present invention must have a specific orientation, and thus, should not be construed as limiting the present invention.

Examples

With reference to fig. 1 to 6, the utility model discloses a drainage driving mechanism 10, which is mainly used for a toilet, and is installed in a toilet tank and drives the drainage valve 20 to drain water in cooperation with the drainage valve 20, thereby realizing the automatic drainage of the toilet.

With reference to fig. 1 to 4, a drainage driving mechanism 10 includes a housing 11, the housing 11 has a cavity 111 and an air transmission channel 113, the cavity 111 is provided with a piston 112 therein, and the piston 112 partitions the cavity 111 into a sealed cavity 1111 and a non-sealed movable cavity 1112, one end of the air transmission channel 113 is communicated with the sealed cavity 1111, the other end of the air transmission channel is connected with an air pump 114, the air pump 114 is communicated with the air transmission channel 113 through a sealed connector 115, the sealed connector 115 is connected with an air discharge valve 116, the air pump 114 and the air discharge valve 116 are both connected with a control circuit, the movable cavity 1112 is provided with an elastic reset member 1113 therein, one end of the elastic reset member 1113 abuts against the piston 112, the other end of the elastic reset member abuts against an inner wall of the movable cavity 1112, the piston 112 is provided with a driving rod 1121, and the piston 112 drives the driving rod 1121 to extend out or retract the housing 11.

The cavity 111 and the gas transmission channel 113 are integrally formed when the housing 11 is formed, so that the overall structure of the driving mechanism is simpler and more compact, the subsequent installation of other parts such as the gas pump 114 is facilitated, the overall production and assembly process flow is shorter, and the cost can be effectively reduced. One end of the driving rod 1121 is fixedly connected to the piston 112, and the driving rod 1121 and the piston 112 are also integrally formed.

The air pump 114 works to inflate the sealed chamber 1111, so that the piston 112 moves to drive the driving rod 1121 to extend out of the housing 11, and at this time, the elastic restoring member 1113 is compressed; the gas release valve 116 releases the gas in the sealed chamber 1111, and the piston 112 is reset by the restoring force of the elastic reset member 1113, thereby driving the driving rod 1121 to retract into the housing 11.

The housing 11 is provided with a yielding hole 118 for the driving rod 1121 to pass through, and the inner wall of the yielding hole 118 is provided with a plurality of ribs along the circumferential direction. The driving rod 1121 extends out or retracts the housing 11 through the abdicating hole 118, the protruding rib is arranged along the axial direction of the driving rod 1121, when the driving rod 1121 penetrates into the abdicating hole 118, the surface of the driving rod 1121 corresponds to the surface of the protruding rib for matching and fitting, under the limiting and guiding effect of the protruding rib, the movement of the piston 112 and the driving rod 1121 is more stable, meanwhile, the contact surface of the driving rod 1121 and the protruding rib is small, the driving rod 1121 is not easy to block during movement, and the gap between the protruding ribs is also an exhaust passage of the movable cavity 1112.

The cavity 111 is cylindrical and extends longitudinally, the outer contour of the piston 112 is circular, the sealing cavity 1111 is located above the movable cavity 1112, and one end of the driving rod 1121 is connected to the bottom surface of the piston 112. The elastic reset piece 1113 is a spring, the top end of the spring abuts against the bottom end of the piston 112, and the bottom end of the spring abuts against the inner wall of the movable cavity 1112.

The receding hole 118 is located at the bottom end of the movable cavity 1112, and is disposed corresponding to the driving rod 1121. The air pump 114 inflates the sealed chamber 1111, so that the piston 112 moves downward relative to the housing 11, and drives the driving rod 1121 to extend downward out of the housing 11, in the process, the elastic restoring member 1113 (spring) is compressed; when the air relief valve 116 is released, the air pressure in the sealed chamber 1111 is reduced, and the piston 112 moves upward under the action of the elastic restoring member 1113, thereby driving the driving rod 1121 to retract upward into the housing 11.

A first annular groove is formed around the piston 112, and a first sealing ring 1122 is installed in the annular groove. The first sealing ring 1122 abuts against the inner wall of the cavity 111, and along with the up-and-down movement of the piston 112, the sealing ring moves up and down and always abuts against the inner wall of the cavity 111, so that the sealing performance in the sealing cavity 1111 is ensured.

In this embodiment, the air transmission channel 113 is horizontally disposed at the top end of the housing 11, and one end of the air transmission channel 113 is communicated with the top end of the sealing cavity 1111, and the other end thereof extends downward to form an extension channel and is communicated with the air pump 114. The sealing connector 115 is a three-way connector having three ports, and is connected to the air pump 114, the air delivery channel 113, and the air release valve 116. In order to facilitate the molding and demolding of the housing 11, the portion of the housing 11 corresponding to the gas transmission channel 113 is provided with a mold hole, and during subsequent assembly, the mold hole is matched with and provided with a sealing cover 1131, and meanwhile, a sealing rubber strip is arranged between the sealing cover 1131 and the housing 11, so that the sealing performance between the sealing cover 1131 and the housing 11 is ensured. In addition, in the same way, the bottom end of the cavity 111 is also a detachable bottom cover 1134, after the housing 11 is molded, the bottom cover 1134 is clamped and mounted to the bottom end of the cavity 111, and the yielding hole 118 is formed in the middle of the bottom cover 1134.

The drainage driving mechanism 10 further comprises a bottom shell 12, the top end of the bottom shell 12 is closed, the top end of the bottom shell is connected with the bottom end of the casing 11, the bottom shell 12 and the casing 11 enclose to form an installation cavity, and the air pump 114, the sealing connecting piece 115 and the air relief valve 116 are all installed in the installation cavity. The connection between the casing 11 and the bottom casing 12 is sealed, the cavity 111 and the installation cavity are respectively located at two ends of the air transmission channel 113, the air pump 114 and the air release valve 116 are installed in the installation cavity to avoid water seepage failure (the drainage driving mechanism 10 is installed in the toilet tank), the control circuit includes a power supply 117, and the power supply 117 is a waterproof battery and is located outside the installation cavity.

Specifically, a second annular groove matched with the housing 11 is formed in the top end of the bottom shell 12, and a second sealing ring 121 is installed in the second annular groove. The opening of the second annular groove is upward, the bottom end of the casing 11 is correspondingly clamped into the second annular groove upward, and the second sealing ring 121 is located between the casing 11 and the bottom shell 12, so that the sealing performance between the bottom shell 12 and the casing 11 can be ensured. In addition, screw holes are correspondingly formed at the top end of the bottom shell 12 and the bottom end of the shell 11, and screws penetrate through the screw holes to be locked so as to connect and fix the bottom shell 12 and the shell 11.

The outer side surface of the housing 11 or the outer side surface of the bottom shell 12 are provided with mounting snap rings 13, the mounting snap rings 13 are provided with two arc-shaped fastening pieces 131 along the circumferential direction, and the two arc-shaped fastening pieces 131 are fixed through bolt connection. The whole drainage driving mechanism 10 is fixedly installed through the installation clamping ring 13, the installation clamping ring 13 is sleeved on an installation pipe fitting or a rod piece, and then the locking and the fixing are realized through bolts which are connected with the two arc-shaped fastening pieces 131 in a locking mode. In this embodiment, the mounting snap ring 13 is disposed on a side surface of the bottom case 12 and is integrally formed with the bottom case 12.

As shown in fig. 1 to fig. 6, the present invention further discloses a drainage device, which includes the above drainage driving mechanism 10 and the drainage valve 20, wherein the driving rod 1121 corresponds to the drainage button 21 of the drainage valve 20. Specifically, the discharge drive mechanism 10 is attached to the drain pipe 22 of the discharge valve 20 by the attachment collar 13 (when the water inlet valve fails and continues to supply water, the discharge valve 20 discharges water in the tank through the drain opening at the top end of the pipe, and the water level in the tank is not higher than the drain opening at the top end of the drain pipe 22), and at this time, the end of the drive lever 1121 corresponds to the drain button 21 of the discharge valve 20. When water needs to be drained, the air pump 114 inflates air into the sealed cavity 1111, so that the piston 112 moves downward, the piston 112 moves to further drive the driving rod 1121 to extend downward out of the housing 11, at this time, the driving rod 1121 presses the drain button 21 of the drain valve 20 downward, so that the drain of the drain valve 20 is realized, after the water is drained, the air discharge valve 116 discharges air, the piston 112 and the driving rod 1121 are reset upward under the action of the elastic reset piece 1113, the driving rod 1121 retracts into the housing 11, and the drain button 21 of the drain valve 20 is reset.

Wherein, the collar and drain pan 12 integrated into one piece, installation snap ring 13 are installed on drain valve 20 outlet pipe 22, and when drain valve 20's drainage button 21 corresponds with actuating lever 1121, the top outlet of outlet pipe 22 is less than the hookup location of casing 11 and drain pan 12, so can guarantee that the water tank water level can not exceed the hookup location of casing 11 and drain pan 12, can effectively avoid the water in the water tank to get into the installation intracavity.

The drainage device can be used on an intelligent closestool, and the control system of the intelligent closestool controls the air pump 114 of the drainage driving mechanism 10 to inflate or the air relief valve 116 to release air, so as to realize the automatic drainage of the closestool. Or can be used on a common closestool, and an inductive switch is arranged to control the air pump 114 of the drainage driving mechanism 10 to charge air or the air relief valve 116 to discharge air, so that manual drainage is avoided, and automatic drainage of the closestool is realized.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A drainage drive mechanism, characterized by: the air pump is connected with an air discharging valve through a sealing connecting piece, the air pump and the air discharging valve are connected with a control circuit, an elastic reset piece is arranged in the movable cavity, one end of the elastic reset piece abuts against the piston, the other end of the elastic reset piece abuts against the inner wall of the movable cavity, and a driving rod is arranged on the piston.

2. A drain drive mechanism according to claim 1, wherein: the casing is equipped with the hole of stepping down that supplies the actuating lever to pass through, the inner wall in the hole of stepping down is equipped with a plurality of protruding muscle along the circumferencial direction.

3. A drain driving mechanism according to claim 1, wherein: the cavity is longitudinally extended cylindrical, the peripheral outline of the piston is correspondingly circular, the sealing cavity is positioned above the movable cavity, and one end of the driving rod is connected with the bottom surface of the piston.

4. A drain driving mechanism according to claim 3, wherein: the periphery of the piston is provided with a first annular groove, and a first sealing ring is installed in the annular groove.

5. A drain driving mechanism according to claim 3, wherein: the elastic reset piece is a spring, the top end of the spring is abutted against the bottom end of the piston, and the bottom end of the spring is abutted against the inner wall of the movable cavity.

6. A drain driving mechanism according to claim 1, wherein: the gas transmission channel is arranged at the top end of the shell, one end of the gas transmission channel is communicated with the sealing cavity, and the other end of the gas transmission channel extends downwards to form an extending channel and is communicated with the gas pump.

7. A drain driving mechanism according to claim 6, wherein: the air pump is characterized by further comprising a bottom shell, the top end of the bottom shell is connected with the bottom end of the shell, the bottom shell and the shell are enclosed to form an installation cavity, and the air pump, the sealing connecting piece and the air relief valve are all installed in the installation cavity.

8. A drain drive mechanism according to claim 7, wherein: the top end of the bottom shell is provided with a second annular groove matched with the shell, and a second sealing ring is installed in the second annular groove.

9. A drain driving mechanism according to claim 7, wherein: the outer side face of the shell or the bottom shell is provided with an installation clamping ring, the installation clamping ring is provided with two arc-shaped fastening pieces along the circumferential direction of the installation clamping ring, and the two arc-shaped fastening pieces are fixedly connected through bolts.

10. A drainage device characterized by: comprising the drain driving mechanism and the drain valve according to any of claims 1 to 9, wherein the driving rod is arranged corresponding to a drain button of the drain valve.