A switch drain valve core

Abstract

A switchable drain valve core includes a core cover, a core shell, a fixed valve core, a movable valve core, a transmission component, a hinge seat, and a drive component. The fixed valve core is disposed on the bottom plate of the core shell, and its inlet, outlet, and core drain hole correspond to the mixing inlet, mixing outlet, and shell drain hole, respectively. The hinge seat, transmission component, movable valve core, and positioning core are arranged from top to bottom. The hinge part and the square hinge cavity are hinged together, and the drive head is inserted into the drive hole. The core cover and core shell are fastened and fixed, the flange is embedded in the cover cavity, and the circular part is inserted into the sleeve. The drive component swings, and the transmission component and movable valve core move together in a straight line to realize the switching between water supply and drainage. By turning the drive handle, the drive head moves the transmission component and movable valve core in a straight line to realize the switching between on / off and drainage.

Description

Technical Field

[0001] This utility model relates to the field of sanitary ware technology, and in particular to a switch drain valve core. Background Technology

[0002] The existing technology, Chinese patent 202021939406.3, describes a synchronously switched bottom-inlet three-way drain valve core, belonging to the field of valve core technology. It solves the problem of water accumulation inside shower products failing to drain after the faucet is closed. This synchronously switched bottom-inlet three-way drain valve core includes a housing, a base, a switching rod, a rotating seat, a fixed valve plate, and a moving valve plate. The side wall of the housing has a single-path water inlet hole. The fixed valve plate has a mixed water inlet hole, a single-path water outlet hole, and three mixed water outlet holes. The lower surface of the moving valve plate has a water passage groove and a drainage groove. The water passage groove connects the mixed water inlet hole and the mixed water outlet hole. The moving valve plate has a sealing surface capable of blocking the single-path water outlet hole. When the valve core is closed, the drainage groove is interconnected with the three mixed water outlet holes. Switching is achieved by rotation. Utility Model Content

[0003] The purpose of this utility model is to provide a switchable drain valve core, which features reciprocating movement to switch between working and draining functions, and is easy to operate.

[0004] This utility model is implemented as follows: a switchable drain valve core, characterized in that it includes a core cover, a core shell, a fixed valve core, a moving valve core, a transmission component, a hinge seat, and a driving component.

[0005] The core cover has a sleeve that communicates with the cover cavity.

[0006] The core shell includes a mixing water inlet hole, a mixing water outlet hole, and a shell drain hole located on the bottom plate;

[0007] The valve core includes an inlet hole, an outlet hole, and a drain hole;

[0008] A water guide cavity is provided on the lower surface of the moving valve core; a drive hole is provided on the transmission component;

[0009] The hinged seat includes a circular body, a square hinge cavity disposed in the circular body, and a flange disposed at the lower end;

[0010] The driving component includes a driving handle, a hinge, and a driving head;

[0011] The fixed valve core is located on the bottom plate of the core shell, and the water inlet, water outlet and core drain hole correspond to the mixing water inlet, mixing water outlet and shell drain hole, respectively. The hinge seat, transmission component, moving valve core and positioning core are arranged from top to bottom. The hinge part and the square hinge cavity are hinged, and the drive head is inserted into the drive hole. The core cover and core shell are fastened and fixed, the flange is embedded in the cover cavity, and the circular part is inserted into the sleeve. The drive component swings, and the transmission component and moving valve core move together in a straight line to realize the conversion between water supply and drainage.

[0012] The special feature of the aforementioned switch drain valve core is that: the valve core is provided with an axial positioning groove, and the bottom plate of the core shell is provided with a positioning block, the positioning block and the axial positioning groove are fitted together.

[0013] The special feature of the aforementioned switch drain valve core is that the upper end of the moving valve core is provided with a plug groove;

[0014] The lower surface of the transmission component is provided with a pin, which engages with the insertion slot.

[0015] The special feature of the aforementioned switch drain valve core is that the hinge seat is provided with a chordal guide block that intersects with the circular body and the flange;

[0016] The transmission component is circular and has a guide plane, which slides in conjunction with the chord guide block.

[0017] The special feature of the aforementioned switch drain valve core is that the flange is provided with an arc-shaped positioning groove;

[0018] The cavity of the cover is provided with two limiting blocks.

[0019] The limiting block mates with both ends of the arc-shaped positioning groove.

[0020] The special feature of the switch drain valve core is that: the upper end of the circular part of the hinge seat is provided with a longitudinal seat, and the radial inner side of the longitudinal seat is provided with two stop grooves.

[0021] The drive handle is provided with a blind hole with an open end;

[0022] It includes a spring and a movable head, with a rod on the movable head.

[0023] The rod is inserted into the spring, the spring is located in the blind hole, the movable head slides into the blind hole, and the head engages with the stop groove on the longitudinal seat.

[0024] This utility model discloses a switch-on drain valve core. Due to its structure, when the drive handle is turned, the drive head causes the transmission component and the moving valve core to move along a straight line, thereby realizing the switching on and off and draining conversion. Attached Figure Description

[0025] Figure 1 This is a cross-sectional view of the present invention.

[0026] Figure 2 yes Figure 1 A-A view.

[0027] Figure 3 This is a perspective view of the mating of the moving valve core and the fixed valve core of this utility model.

[0028] Figure 4This is a perspective view of the present invention.

[0029] Figure 5 This is one of the exploded perspective views of this utility model.

[0030] Figure 6 This is the second exploded perspective view of this utility model.

[0031] Figure 7 This is the third exploded perspective view of this utility model.

[0032] Figure 8 This is the fourth exploded perspective view of this utility model. Detailed Implementation

[0033] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0034] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" 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 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.

[0035] like Figure 1 , Figure 2 , Figure 3 As shown, a switchable drain valve core includes a core cover 1, a core shell 2, a fixed valve core 3, a movable valve core 4, a transmission component 5, a hinge seat 6, and a drive component 7.

[0036] The core cover 1 is provided with a sleeve 11 and communicates with the cover cavity.

[0037] The core shell 2 includes a mixing water inlet hole 21, a mixing water outlet hole 22, and a shell drain hole 23 provided on the bottom plate; the shell drain hole 23 includes an axial hole portion 231 and a radial hole portion 232.

[0038] The valve core 3 includes an inlet hole 31, an outlet hole 32, and a core drain hole 33;

[0039] A water guide cavity 41 is provided on the lower surface of the moving valve core 4;

[0040] The transmission component 5 is provided with a drive hole 51;

[0041] The hinge seat 6 includes a circular body portion 61, a square hinge cavity 62 provided in the circular body portion 61, and a flange 63 provided at the lower end;

[0042] The driving component 7 includes a driving handle 71, a hinge 72, and a driving head 73;

[0043] The fixed valve core 3 is located on the bottom plate of the core shell 2, and the water inlet 31, water outlet 32 ​​and core drain hole 33 correspond to the mixing water inlet 21, mixing water outlet 22 and shell drain hole 23 respectively. The hinge seat 6, transmission component 5, moving valve core 4 and positioning core are arranged sequentially from top to bottom. The hinge part 72 and the square hinge cavity 62 are hinged, and the drive head 73 is inserted into the drive hole 51. The core cover 1 and the core shell 2 are fastened and fixed, the flange 63 is embedded in the cover cavity, and the circular body part 61 is inserted into the sleeve 11. The drive component 7 swings, and the transmission component 5 and the moving valve core 4 move together in a straight line to realize the conversion between water supply and drainage.

[0044] As a further improvement of this utility model: the fixed valve core 3 is provided with an axial positioning groove 34, and the bottom plate of the core shell 2 is provided with a positioning block 24, which fits into the axial positioning groove 34 to prevent the fixed valve core 3 and the core shell 2 from rotating relative to each other.

[0045] As a further improvement of this utility model: the upper end of the moving valve core 4 is provided with a plug groove 42;

[0046] The lower surface of the transmission component 5 is provided with a pin 52, which is engaged with the insertion groove 42.

[0047] As a further improvement of this utility model: the hinge seat 6 is provided with a chordal guide block 64 that intersects with the circular body part 61 and the flange 63;

[0048] The transmission component 5 is circular and has a guide plane 53, which slides in conjunction with the chord guide block 64.

[0049] As a further improvement of this utility model: the flange 63 is provided with an arc-shaped positioning groove 631;

[0050] The cavity of the cover is provided with two limiting blocks 12.

[0051] The limiting block 12 engages with both ends of the arc-shaped positioning groove 631 to prevent relative rotation between the two.

[0052] As a further improvement of this utility model: the upper end of the circular body 61 of the hinge seat 6 is provided with a longitudinal seat 65, and two stop grooves 651 are provided on the radial inner side of the longitudinal seat.

[0053] The drive handle 71 is provided with a blind hole 711 with an open end;

[0054] It includes a spring 81 and a movable head 82, with a rod 821 mounted on the movable head 82.

[0055] The rod 821 is inserted into the spring 81, which is located in the blind hole 711. The movable head 82 slides in the blind hole 711 and engages with the stop groove 651 on the longitudinal seat 65. This design improves the feel and facilitates judgment.

[0056] Figure 1 , Figure 2 , Figure 3 This is a view of the present invention in the drainage state. In the drainage state, the switch is in the off state, and the remaining water in the handheld shower head and spray gun is discharged through the mixing water outlet 22, the water outlet 32, the water guiding cavity 41, the core drainage hole 33 and the shell drainage hole 23.

[0057] exist Figure 1 In the indicated state, operate the drive handle 71, drive component 7 rotates clockwise, transmission component 5 and moving valve core 4 move to the left, and movable head 82 enters another gear slot 651; mixing water inlet hole 21, water inlet hole 31, water guide cavity 41, mixing water outlet hole 22 and shell outlet hole 32 are connected in sequence, and water is sprayed by hand with a shower head or spray gun; the switch is in the on state;

[0058] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A switch drain spool, characterized by: Includes core cover, core shell, fixed valve core, moving valve core, transmission components, hinge seat, and drive components. The core cover has a sleeve that communicates with the cover cavity. The core shell includes a mixing water inlet hole, a mixing water outlet hole, and a shell drain hole located on the bottom plate; The valve core includes an inlet hole, an outlet hole, and a drain hole; A water guide cavity is provided on the lower surface of the moving valve core; a drive hole is provided on the transmission component; The hinged seat includes a circular body, a square hinge cavity disposed in the circular body, and a flange disposed at the lower end; The driving component includes a driving handle, a hinge, and a driving head; The fixed valve core is located on the bottom plate of the core shell, and the water inlet, water outlet and core drain hole correspond to the mixing water inlet, mixing water outlet and shell drain hole, respectively. The hinge seat, transmission component, moving valve core and positioning core are arranged from top to bottom. The hinge part and the square hinge cavity are hinged, and the drive head is inserted into the drive hole. The core cover and core shell are fastened and fixed, the flange is embedded in the cover cavity, and the circular part is inserted into the sleeve. The drive component swings, and the transmission component and moving valve core move together in a straight line to realize the conversion between water supply and drainage.

2. The on / off drain valve core according to claim 1, characterized in that: The valve core is provided with an axial positioning groove, and the bottom plate of the core shell is provided with a positioning block, which is fitted into the axial positioning groove.

3. The on / off drain valve core according to claim 1, characterized in that: The upper end of the moving valve core is provided with a plug-in groove; The lower surface of the transmission component is provided with a pin, which engages with the insertion slot.

4. The on / off drain valve core according to claim 1, characterized in that: The hinge seat is provided with a chordal guide block that intersects with the circular body and the flange; The transmission component is circular and has a guide plane, which slides in conjunction with the chord guide block.

5. A switchable drain valve core according to claim 1, characterized in that: The flange is provided with an arc-shaped positioning groove; The cavity of the cover is provided with two limiting blocks. The limiting block mates with both ends of the arc-shaped positioning groove.

6. A switchable drain valve core according to claim 1, characterized in that: The upper end of the circular part of the hinge seat is provided with a longitudinal seat, and two stop grooves are provided on the radial inner side of the longitudinal seat. The drive handle is provided with a blind hole with an open end; It includes a spring and a movable head, with a rod on the movable head. The rod is inserted into the spring, the spring is located in the blind hole, the movable head slides into the blind hole, and the head engages with the stop groove on the longitudinal seat.

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