WO2022227156A1

WO2022227156A1 - Mounting structure for switch assembly and drainage valve assembly

Info

Publication number: WO2022227156A1
Application number: PCT/CN2021/095668
Authority: WO
Inventors: 王兴东; 洪其城; 张荣誉
Original assignee: 厦门瑞尔特卫浴科技股份有限公司
Priority date: 2021-04-29
Filing date: 2021-05-25
Publication date: 2022-11-03
Also published as: EP4306731A1; CN215483356U

Abstract

Provided in the present utility model is a mounting structure for a switch assembly and a drainage valve assembly, the mounting structure being used for connecting a drainage valve assembly, which is arranged in a water tank, and a switch assembly, which is arranged on a water tank lid body. The switch assembly comprises a body, a switch, a buckle seat and a fastener, wherein the body is provided with an accommodating cavity having an open top end; the buckle seat is rotatably arranged in the accommodating cavity and is connected to the fastener; the fastener is rotatably arranged at the body; the body is arranged at the water tank lid body; the drainage valve assembly is provided with a mounting part, which is connected to and fitted with the fastener; and when the buckle seat rotates, the fastener is driven to rotate relative to the body so that the fastener can be connected to the mounting part in a locked manner, and the switch is arranged at the body, or, after the fastener is connected to the mounting part in a locked manner, the switch is arranged on the buckle seat. The present utility model has a simple structure and is convenient to mount, a line or pipe breakage or loose locking caused by lines or pipes being tangled can be effectively prevented in a locking process, and the degree of fastening is effectively guaranteed.

Description

An installation structure of a switch assembly and a drain valve assembly

technical field

The utility model relates to the technical field of drain valves of toilets, in particular to an installation structure of a switch assembly and a drain valve assembly.

Background technique

With the continuous advancement of technology and people's pursuit of high-quality life, there are more and more functions of the drain valve used in the toilet tank. The drain valve is generally provided with a switch assembly for controlling the drainage, and the switch assembly is mostly arranged on the tank cover of the toilet tank. In order to meet some functions of the drain valve, some need to set up lines or pipelines between the switch assembly and the components in the toilet tank. For example, an inductively controlled toilet drain valve is generally provided with an inductive module for inductive control, the inductive module is arranged in the switch located on the cover of the water tank, and the power supply battery box used to supply power to the inductive module or a signal with the inductive module The connected electric mechanism is arranged on the drain valve in the water tank, and the two need to be electrically connected by wires. For another example, when a cleaning agent box is arranged in the water tank, in order to facilitate adding cleaning agent, some structures set the liquid filling chamber at the switch assembly, so that the cleaning agent box can be directly supplemented and cleaned through the switch assembly without opening the cover of the water tank. In this case, the connection between the switch assembly and the detergent box needs to be communicated through the replenishment pipeline.

technical problem

However, in the prior art, for the installation structure in which the switch assembly and the drain valve assembly are threadedly connected to realize the fixed connection between the water tank cover and the water tank body, during assembly, the switch body of the switch assembly generally needs to be rotated to realize the switch assembly. The thread is fixedly connected with the drain valve assembly, and because the line or pipeline is usually passed through the switch body, and one end is connected with the switch assembly, and the other end is connected with the components in the water tank, so the switch body is in the tightening process. It will lead to the winding of the line or pipeline. On the one hand, it is easy to make the switch body unable to be tightened, and on the other hand, it may cause the line or pipeline to be broken during the tightening process. Therefore, in the prior art, the switch assembly and the drain valve assembly are threadedly fixedly connected to realize the installation structure of the fixed connection between the water tank cover and the water tank body. It is necessary to study a new installation structure of the switch assembly and the drain valve assembly, which is suitable for the situation where the switch assembly and the components in the water tank are connected by lines or pipelines.

technical solutions

In view of the existing structure in which the switch assembly provided on the cover body of the water tank is locked and connected with the drain valve assembly provided in the water tank, when the switch assembly and the components in the water tank are connected with lines or pipelines, the switch assembly and the drain valve are connected with each other. The assembly process of the assembly is prone to problems such as failure to tighten or the circuit or pipeline being pulled off during the tightening process. The utility model provides an installation structure of a switch assembly and a drain valve assembly.

For realizing the purpose of the present utility model, the technical scheme adopted by the present utility model is:

An installation structure of a switch assembly and a drain valve assembly is used for connecting a drain valve assembly disposed in a water tank and a switch assembly disposed on a cover body of the water tank, the switch assembly comprising a body, a switch, a buckle seat and a fastener, The main body is provided with a cavity with an open top, the buckle seat is rotatably arranged in the cavity and is connected with the fastener, the fastener is rotatably arranged in the main body, and the main body is arranged in the The water tank cover and the drain valve assembly are provided with a mounting portion that is connected and matched with the fastener, and when the buckle seat rotates, the fastener is driven to rotate relative to the body to make the fastener The switch is locked and connected to the installation portion, and the switch is arranged on the body, or, after the fastener is locked and connected to the installation portion, the switch is arranged on the buckle seat.

Preferably, the fastener is a threaded member, and the mounting portion is a threaded connection sleeve threadedly connected to the threaded member.

Preferably, the threaded member is in position-limiting cooperation with the body in the axial direction, the bottom wall of the cavity is provided with a through hole, the threaded member is rotatably arranged in the through hole, and the outer periphery of the top of the threaded member is provided. A convex ring is provided, the body is provided with a limiting portion for axially limiting the screw member, the bottom surface of the convex ring is in abutment with the periphery of the through hole, and the top surface of the convex ring is in contact with the limiting portion. Position limit matching.

Preferably, the limiting portion is a buckle foot disposed in the cavity, and the buckle foot is buckled on the top surface of the convex ring to limit the axial position of the threaded member.

Preferably, the threaded member is provided with a shaft hole through which both ends are passed, the buckle seat is axially slidable through the shaft hole, and the side wall of the buckle seat is in circumferential limit fit with the shaft hole hole wall. So that when the buckle seat is rotated, the screw member can be driven to rotate, and the switch is arranged in the body and on the buckle seat.

Preferably, a first elastic member for providing elastic restoring force to the buckle base is provided between the buckle base and the threaded member.

Preferably, the bottom of the buckle base is provided with a buckle for preventing the buckle base from being separated from the threaded member under the action of the first elastic member, and the buckle is limitedly engaged with the bottom of the threaded member.

Preferably, it also includes a pressing member, the pressing member is axially slidably arranged in the threaded connection sleeve, and the pressing member is circumferentially engaged with the threaded connection sleeve in a limit fit, and the pressing member is axially slidable. The part includes a pressure block, an external thread part and an orientation rod, the external thread part is located between the pressure block and the orientation rod, the buckle seat is provided with an axially extending inner cavity, and both ends of the inner cavity are formed an opening, the directional rod is penetrated through the inner cavity and cooperates with the switch in the circumferential limit; the cavity wall of the inner cavity is provided with an inner thread part matched with the outer thread part, and the outer thread The mating pitch between the threaded portion and the internal thread portion is equal to the mating pitch between the threaded member and the threaded connection sleeve.

Preferably, a second elastic member for providing elastic restoring force to the pressing member is provided between the pressing member and the threaded connection sleeve.

Preferably, the switch includes a switch housing, the switch housing is provided with an extension section extending into the inner cavity, the extension section is a hollow structure, and the orientation rod is sleeved in the extension section and is connected with the extension section. The extension section is circumferentially limited and matched.

Preferably, the switch comprises a switch housing and an inductive element arranged in the switch housing, and the inductive element is connected to one end of a line passing through the body; or, the switch comprises a switch housing, so The inner cavity of the switch housing forms a liquid filling cavity, and the bottom of the liquid filling cavity is connected to one end of a pipeline passing through the main body.

Preferably, the top peripheral wall of the buckle seat is provided with a number of anti-skid ribs arranged in a circumferential direction, or the top end of the buckle seat is provided with a driving groove, which is matched with the driving groove by an external fixture to drive the buckle seat turn.

Preferably, the body is provided with a slot hole for the line or pipeline connected to the switch to pass through.

beneficial effect

The utility model provides an installation structure of a switch assembly and a drain valve assembly. The switch assembly is arranged to include a main body, a switch, a buckle seat and a fastener. Set on the body, the body is set on the cover body of the water tank, when the buckle seat rotates, the fastener is rotated relative to the body to lock the fastener with the mounting part on the drain valve assembly, so as to realize the connection between the drain valve assembly and the switch assembly . However, if the switch is installed on the body, the switch will not rotate with the buckle seat, which can effectively prevent the winding of lines or pipelines during the locking process, and effectively ensure the degree of tightening; or, the fastener and the installation part are locked After tight connection, the switch is set on the buckle seat instead of integrally forming the switch and the buckle seat, so the switch will not rotate with the buckle seat, the structure is simple, the installation is convenient, and it can also effectively prevent the occurrence of lines during the locking process. Or pipeline entanglement, and effectively ensure the tightness.

Description of drawings

Fig. 1: the overall exploded schematic diagram of the present utility model;

Fig. 2: the overall assembly schematic diagram of the present utility model;

Fig. 3: The schematic diagram of the utility model and the water tank assembly;

Fig. 4: the cross-sectional view of the utility model body, the buckle seat and the screw fitting;

Figure 5: The three-dimensional view of the utility model body, the buckle seat and the screw fitting;

Fig. 6: the perspective view of the utility model body;

Fig. 7: The fitting schematic diagram of the threaded connection sleeve, the pressing member and the second elastic member of the present invention;

Fig. 8: the bottom view structure schematic diagram of the switch housing of the first embodiment of the present utility model;

Fig. 9: The utility model installation process schematic diagram;

Figure 10: The state diagram of the threaded part of the present invention and the threaded connection sleeve at the beginning of cooperation;

Figure 11: The state diagram of the utility model in which the threaded part and the threaded connection sleeve are connected in place;

Figure 12: The state diagram of the push switch and the buckle seat of the present invention;

Figure 13: a cross-sectional view of Embodiment 2 of the present utility model;

Fig. 14: the schematic diagram of the liquid addition process of the utility model embodiment 2;

In the figure: 10, drain valve assembly; 11, threaded connection sleeve; 12, electric drive mechanism; 13, battery box; 14, drain valve; 141, starter assembly; 20, switch; 21, switch shell; 211, extension; 22. Induction element; 23. Decorative plate; 24. Liquid filling chamber; 25. Decorative cover; 30. Water tank; 31. Water tank cover; 40. Main body; 41. Through hole; 42. Limiting part; 43. Slot hole 50. Buckle seat; 51. Buckle; 52. Internal thread part; 53. Anti-skid rib; 60. Threaded part; 82, the external thread part; 83, the directional rod; 90, the second elastic part; 100, the liquid storage tank; 110, the wire;

Embodiments of the present invention

In the existing structure in which the switch assembly provided on the cover body of the water tank is locked and connected with the drain valve assembly in the water tank, when the switch assembly and the components in the water tank are connected with lines or pipelines, the installation of the switch assembly and the drain valve assembly The process is prone to the problem that the line or pipeline cannot be tightened or the line or pipeline is pulled during the tightening process. Therefore, the present utility model proposes a new solution. For a clearer representation, the present utility model is described in detail below with reference to the accompanying drawings.

Example 1:

1-3, an installation structure of a switch assembly and a drain valve assembly is used to connect the drain valve assembly 10 disposed in the water tank 30 and the switch assembly disposed on the cover body 31 of the water tank.

The drain valve assembly 10 is provided with an electric drive mechanism 12 , a battery case 13 and a drain valve 14 . The electric drive mechanism 12 controls the drain valve 14 to open the drain valve, and the battery box 13 is arranged on one side of the drain valve 14 and used to provide power to the electric drive mechanism 12 . The switch assembly is connected to the electric drive mechanism 12 and the battery box 13 through the wire 110 , the battery box 13 supplies power to the switch assembly, and the switch assembly controls the opening and closing of the electric drive mechanism 12 . The wire 110 includes two sections. One end of the wire 110 of one section is connected to the switch assembly, and one end of the wire 110 of the other section is connected to the electric drive mechanism 12 and the battery box 13. connection, so as to facilitate the wire connection of the switch assembly with the electric drive mechanism 12 and the battery box 13 .

1-6, the switch assembly includes a body 40, a switch 20, a buckle seat 50 and fasteners. The main body 40 is provided with a cavity with an open top, the buckle seat 50 is rotatably arranged in the cavity and is connected with the fastener, and the fastener is rotatably arranged in the main body 40 .

The main body 40 is embedded in the water tank cover 31, and the top of the drain valve assembly 10 is provided with a mounting part which is connected with the fastener. After the fastener is tightly connected with the mounting portion, the switch 20 is installed on the buckle seat 50 .

In this embodiment, the fastener is a threaded member 60 , and the mounting portion is a threaded connection sleeve 11 threadedly connected to the threaded member 60 . Preferably, the threaded member 60 is provided with an external thread, and correspondingly, the threaded connection sleeve 11 is provided with an internal thread.

In order to make the installation more convenient and simple, preferably, the threaded member 60 is limitedly matched with the main body 40 in the axial direction, the bottom wall of the cavity is provided with a through hole 41 , and the threaded member 60 is rotatably arranged in the through hole 41 . The outer periphery of the top of the threaded member 60 is provided with a convex ring 61, and the main body 40 is provided with a limiting portion 42 for axially limiting the position of the threaded member 60. The position part 42 is limited and matched. Specifically, the limiting portion 42 is a buckle foot disposed in the cavity, and the buckle foot is buckled on the top surface of the convex ring 61 to limit the axial position of the threaded member 60 . In this embodiment, the threaded member 60 protrudes downward from the through hole 41 to match with the threaded connection sleeve 11 , or, alternatively, the threaded member 60 does not extend out of the through hole 41 , but extends into the threaded connection sleeve 11 . The through hole 41 is matched with the screw member 60 .

In this embodiment, in order to enrich the functions of the switch 20, the switch 20 is also used as a mechanical button. By pressing the switch 20, the drain valve 14 can be driven to open the drain valve, so that the switch 20 can be electrically controlled to open the drain valve 14 and manually opened. Drain valve 14. Specifically, the threaded member 60 is provided with a shaft hole through which both ends pass through, and the buckle seat 50 can be axially slid through the shaft hole. The threaded member 60 can be driven to rotate, that is, the buckle seat 50 can slide up and down relative to the threaded member 60 in the shaft hole but cannot rotate relative to the threaded member 60 in the shaft hole. The switch 20 is arranged in the body 40 and on the buckle seat 50. When the switch 20 is pressed, the switch 20 drives the activation assembly 141 of the drain valve 14 through the buckle seat 50 to realize drainage. The activation assembly 141 may include a lift rod and a pull rod.

A first elastic member 70 for providing elastic restoring force to the buckle base 50 is disposed between the buckle base 50 and the screw member 60 . In this embodiment, the first elastic member 70 is a spring, and the spring is sleeved outside the buckle base 50 , so that the structure is simple and compact.

The bottom of the buckle 50 is provided with a buckle 51 for preventing the buckle 50 from being separated from the shaft hole of the threaded member 60 under the action of the first elastic member 70 . In this embodiment, the buckle 51 is a "C"-shaped buckle, and the bottom of the buckle base 50 is provided with a buckle groove for the installation of the "C"-shaped buckle.

Referring to FIGS. 1 and 7 , the installation structure of this embodiment further includes a pressing member 80 , the pressing member 80 is axially slidably arranged in the threaded connection sleeve 11 and the pressing member 80 is circumferentially limited with the threaded connection sleeve 11 In cooperation, that is, the pressing member 80 can slide axially relative to the threaded connection sleeve 11 in the threaded connection sleeve 11 but cannot rotate relative to the threaded connection sleeve 11 .

The pressing member 80 includes a pressure block 81 , an external thread portion 82 and an orientation rod 83 , the external thread portion 82 is located between the pressure block 81 and the orientation rod 83 , and the pressure block 81 , the external thread portion 82 and the orientation rod 83 are integrally formed.

The buckle seat 50 is provided with an axially extending inner cavity, and openings are formed at both ends of the inner cavity. The directional rod 83 is passed through the inner cavity and cooperates with the switch 20 in the circumferential direction. The mating inner thread portion 52, the mating pitch between the outer thread portion 82 and the inner thread portion 52 is equal to the mating pitch between the threaded member 60 and the threaded connection sleeve 11, so as not to cause the outer thread portion 82 and the inner thread portion 52. The threaded connection therebetween interferes with the threaded connection between the threaded member 60 and the threaded connection sleeve 11 .

A second elastic member 90 for providing elastic restoring force to the pressing member 80 is provided between the pressing member 80 and the threaded connection sleeve 11 . In this embodiment, the second elastic member 90 is a tension spring. The pressing block 81 of the pressing member 80 is in driving cooperation with the starting assembly 141 of the drain valve 14 .

Referring to FIG. 8 , the switch 20 includes a switch housing 21 . The switch housing 21 is provided with an extension section 211 extending into the inner cavity. The extension section 211 is a hollow structure. Limit fit. The hollow structure is a flat hole matched with the directional rod. The direction of the switch housing 21 can be positioned through the cooperation of the orientation rod and the flat hole, so as to avoid the uncertainty of the orientation of the wires 110 drawn from the switch housing 21 and cause the wiring interference to affect the normal operation of the drain valve assembly 10 .

Referring to FIG. 1 , the switch assembly of this embodiment adopts an inductive switch assembly, and the switch 20 further includes an inductive element 22 disposed in the switch housing 21 , and the inductive element 22 can be sealed in the switch housing by means of glue sealing or sealing. within 21. The sensing element 22 is connected to one end of a line (conductor 110 ) passing through the body 40 . The material of the switch housing 21 is a filter material, and the sensing element 22 is an infrared sensing element 22 or a capacitive sensing element, etc., which is not limited thereto. The sensing element 22 sends the sensing signal to the electric drive mechanism 12 through the wire 110 , so as to control the electric drive mechanism 12 to open so that the drain valve 14 drains water. The electric drive mechanism 12 can be driven by a motor or the like.

Referring to FIG. 1 , the outer wall of the switch housing 21 is further provided with a decorative board 23 , and the decorative board 23 is a light-transmitting board.

Referring to FIGS. 1 and 5 , the top peripheral wall of the buckle seat 50 is provided with a number of anti-skid ribs 53 arranged in the circumferential direction, so that the buckle seat 50 can be directly rotated by hand; (For example, a screwdriver, etc.) cooperates with the driving slot to drive the buckle base 50 to rotate.

The body 40 is also provided with a slot 43 through which the circuit (conductor 110 ) connected to the switch passes.

The brief installation and disassembly process of the present utility model is as follows:

9 and 10 , during installation, the drain valve 14 is fixed on the bottom wall of the water tank 30 , the body 40 is embedded on the water tank cover 31 , and a section of wire 110 connected to the sensing element 22 passes through the slot 43 after The switch 20 is not installed on the socket 50 first, so that the socket 50 can be rotated directly.

Then, the buckle seat 50 is rotated, the buckle seat 50 drives the screw member 60 to rotate relative to the body 40 , and the screw member 60 is locked and connected with the threaded connection sleeve 11 . The internal thread portion 52 of the threaded connection is synchronously threaded, so that the switch assembly and the drain valve assembly 10 are locked together. At this time, as shown in FIG. 11 , since the switch assembly is arranged on the water tank cover 31, the drain valve assembly 10 is arranged in the water tank. 30 , so that the water tank cover 31 is locked and matched with the water tank 30 . Finally, the switch 20 is inserted into the inner cavity of the buckle seat 50 along the direction of the arrow in FIG. 9 , and is limitedly matched with the orientation rod 83 to realize the installation and fixation. When it is necessary to open the drain valve 14 for draining water, it is only necessary to extend the hand to the switch 20, so that the sensing element 22 senses the human hand, thereby realizing the sensing drain control.

Referring to FIG. 12 , when the drain valve 14 needs to be opened mechanically for draining, it is only necessary to press the switch 20 , the switch 20 moves down and drives the start-up assembly 141 of the drain valve 14 through the buckle seat 50 and the pressing member 80 , thereby enabling the start-up assembly 141 Open the drain valve 14 to drain the water.

When disassembling, first detach the switch 20 from the buckle base 50, turn the buckle base 50 in the opposite direction to the locking direction, the buckle base 50 drives the threaded part 60 to separate from the threaded connection sleeve 11, and at the same time, press The outer threaded portion 82 on the moving member 80 and the inner threaded portion 52 of the buckle seat 50 are synchronously separated, so that the switch assembly is separated from the drain valve assembly 10, and finally the disassembly is realized.

In other embodiments, the switch 20 can also be set on the main body 40 , and the switch 20 can be fixed on the main body 40 by a fixed connection such as clip connection, screw connection or welding, or the switch 20 can also be integrally formed with the main body 40 . Since the main body 40 does not rotate with the socket 50 during assembly, the switch 20 will not be rotated during the assembly process, thereby effectively avoiding the problem of entanglement of lines or pipelines connected to the switch 20 .

Example 2:

Referring to FIGS. 13 and 14 , the switch 20 of this embodiment is not provided with the sensing element 22 , and the drain valve assembly 10 is not provided with the electric driving mechanism 12 electrically connected with the sensing element 22 . The inner cavity of the switch housing 21 of this embodiment forms a liquid filling cavity 24, the bottom of the liquid filling cavity 24 is connected to one end of a pipeline 120 passing through the main body 40, and the other end of the pipeline 120 is connected to the liquid storage tank 100. The liquid storage tank 100 is fixed to one side of the drain valve 14 . The top of the switch 20 is provided with a decorative cover 25 . When the decorative cover 25 is removed, liquid can be added to the liquid addition chamber 24 , and the liquid in the liquid addition chamber 24 flows into the liquid storage tank 100 through the pipeline 120 . The installation structure of the present invention can prevent the pipeline 120 from being entangled during installation.

Other installation structures, connection relationships, and working principles are the same as those in Embodiment 1, so they will not be repeated here.

The installation structure provided by the utility model can be applied to the technical field of toilet drain valve, and is used for connecting the drain valve assembly 10 and the switch assembly. The utility model has a simple structure, is convenient to install, and can effectively prevent the entanglement of lines or pipelines during the locking process. conditions, and effectively ensure the degree of tightening.

The above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the above embodiments have specifically described the present invention, those skilled in the art should understand that the specific embodiments of the present invention can still be modified. Or equivalent replacements, and any modifications and equivalent replacements that do not depart from the spirit and scope of the present invention, should all be included in the scope of the claims of the present invention.

Claims

An installation structure of a switch assembly and a drain valve assembly is used to connect a drain valve assembly arranged in a water tank and a switch assembly arranged on a cover body of the water tank, characterized in that the switch assembly comprises a body, a switch, a buckle seat and a Fastener, the body is provided with a cavity with an open top, the buckle seat is rotatably arranged in the cavity and is connected to the fastener, the fastener is rotatably arranged in the body, so The body is arranged on the water tank cover, and the drain valve assembly is provided with a mounting part that is connected and matched with the fastener. When the buckle seat is rotated, the fastener is rotated relative to the body to make the The fastener is locked and connected to the installation portion, and the switch is arranged on the body, or, after the fastener is locked and connected to the installation portion, the switch is arranged on the buckle seat.
The installation structure of a switch assembly and a drain valve assembly according to claim 1, wherein the fastener is a threaded member, and the installation portion is a threaded connection sleeve threadedly connected to the threaded member.
The installation structure of a switch assembly and a drain valve assembly according to claim 2, wherein the threaded member is in position limit fit with the body in the axial direction, and the bottom wall of the cavity is provided with a through hole , the threaded member is rotatably arranged in the through hole, the outer periphery of the top of the threaded member is provided with a convex ring, the body is provided with a limiting portion for axially limiting the threaded member, and the bottom surface of the convex ring Abutting and cooperating with the periphery of the through hole, the top surface of the protruding ring is cooperating with the limiting portion in position limiting.
The installation structure of a switch assembly and a drain valve assembly according to claim 3, wherein the limiting portion is a buckle foot disposed in the cavity, and the buckle foot is buckled to the protrusion The top surface of the ring is used to axially limit the screw.
The installation structure of a switch assembly and a drain valve assembly according to claim 2, wherein the threaded member is provided with a shaft hole passing through both ends, and the buckle seat is axially slidable through the In the shaft hole, the side wall of the buckle seat cooperates with the circumferential limit of the wall of the shaft hole hole so that when the buckle seat rotates, the threaded member can be driven to rotate, and the switch is arranged in the main body and is arranged on the on the buckle.
The installation structure of a switch assembly and a drain valve assembly according to claim 5, characterized in that: between the buckle seat and the threaded member, a first force for providing elastic restoring force to the buckle seat is provided. elastic pieces.
The installation structure of a switch assembly and a drain valve assembly according to claim 6, wherein the bottom of the buckle seat is provided with a mechanism to prevent the buckle seat from disengaging from the thread under the action of the first elastic member The buckle of the threaded piece is limitedly matched with the bottom of the threaded piece.
The installation structure of a switch assembly and a drain valve assembly according to claim 5, characterized in that: further comprising a pressing member, the pressing member is axially slidably arranged in the threaded connection sleeve and is The pressing piece is circumferentially matched with the threaded connection sleeve, and the pressing piece includes a pressing block, an external thread portion and a directional rod, and the external threaded portion is located between the pressing block and the directional rod, The buckle seat is provided with an axially extending inner cavity, two ends of the inner cavity are formed with openings, the directional rod is penetrated through the inner cavity and cooperates with the circumferential limit of the switch, and the inner cavity wall There is an internal thread part matched with the external thread part, and the matched thread pitch between the external thread part and the internal thread part is equal to the matched thread pitch between the threaded member and the threaded connection sleeve.
The installation structure of a switch assembly and a drain valve assembly according to claim 8, characterized in that: between the pressing member and the threaded connection sleeve, a second force for providing elastic restoring force to the pressing member is provided. elastic pieces.
The installation structure of a switch assembly and a drain valve assembly according to claim 8, wherein the switch comprises a switch housing, and the switch housing is provided with an extension section extending into the inner cavity, and the extension The segment is a hollow structure, and the directional rod is sleeved in the extension segment and cooperates with the extension segment in a circumferential limit.
The installation structure of a switch assembly and a drain valve assembly according to claim 1, wherein the switch comprises a switch casing and an inductive element arranged in the switch casing, and the inductive element is connected to a One end of the circuit of the body is connected; or, the switch includes a switch casing, the inner cavity of the switch casing forms a liquid filling cavity, and the bottom of the liquid filling cavity is connected to a pipeline running through the main body. One end is connected.
The installation structure of a switch assembly and a drain valve assembly according to claim 1, wherein a plurality of circumferentially arranged anti-skid ribs are arranged on the top peripheral wall of the buckle seat, or the top of the buckle seat is provided with a plurality of anti-skid ribs. There is a driving slot, which is matched with the driving slot by an external fixture to drive the buckle seat to rotate.
The installation structure of a switch assembly and a drain valve assembly according to claim 1, wherein the main body is provided with a slot hole for the line or pipeline connected to the switch to pass through.