Top-back spraying change-over valve and shower rod

Abstract

The top-back spraying change-over valve comprises a valve body, a valve cover, a change-over piece, a spring, a connecting plate and a driven driving piece, the valve body comprises a top semicircular cavity, a top water outlet pipe, a back spraying semicircular cavity, a lower water outlet pipe, a shaft seat, a rotating cavity and a valve cover cavity, and the valve cover comprises a water inlet connector pipe, a shaft sleeve and a sliding face; the conversion piece comprises a circular plate, a half shaft, a driving shaft and a water guide hole; the half shaft is matched with the shaft hole; the valve cover is embedded into the valve cover cavity and is sealed; the driving shaft is matched with the shaft sleeve in a rotating manner and is sealed; the spring is matched with the circular plate and an end plate of the valve cover; the shaft fixing hole is fixed to the driving shaft, one side of the base plate is in sliding fit with the sliding face, and the crank is in sliding fit with the long-strip-shaped driving hole. And by arranging a knob screw, a driven transmission piece and a connecting plate, the knob screw and the driven transmission piece move up and down together, top spraying and back switching is achieved, operation is convenient, and recognition is convenient.

Description

Technical Field

[0001] The utility model relates to a shower device, in particular to a conversion valve for a top spray and a back spray. Background Art

[0002] In the current prior art, Chinese Patent No. 202323087923.9, an adjustable shower rod for back spray, includes a longitudinal rod body, a transverse rod body, a switching valve, a plurality of back nozzles, a nozzle seat, a driven member and a driving device. The switching valve is arranged inside the lower end of the longitudinal rod body. The nozzle seat is arranged inside the longitudinal rod body above the switching valve. The clearance hole and the circular swing hole are opposite to each other. The switching valve cooperates with the longitudinal water channel and the top shower head to convert the water path. The back nozzles are arranged inside the nozzle seat. The hinge shaft and the hinge hole are rotationally matched. The pivot water guide pipe and the water guide pivot hole are rotationally matched and sealed. The driven member is buckled and slidably matched with the nozzle seat, and the driven member closes the opening of the hinge hole. The transmission rod passes through the transmission hole and the driving rod is located between the two transmission rods. The driving device is arranged inside the longitudinal rod body above the nozzle seat. Problem: The switching valve adopts a rotating method to achieve switching, which is not convenient for identification. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a top and back spray conversion valve, which has the characteristics that when switching, the knob screw moves up and down to complete the switching, which is convenient for identification and operation.

[0004] The utility model is realized as follows: A top and back spray conversion valve, which is characterized in that it includes a valve body, a valve cover, a conversion member, a spring, a connecting plate, a driven driving member and a knob screw.

[0005] The valve body includes a top semi-circular cavity, a top water outlet pipe, a back spray semi-circular cavity, a lower water outlet pipe, a shaft seat, a rotating cavity and a valve cover cavity. The shaft seat is provided with a shaft hole. The top water outlet pipe is communicated with the top of the top semi-circular cavity, and the lower water outlet pipe is communicated with the bottom of the back spray semi-circular cavity.

[0006] The valve cover includes a water inlet interface pipe, a cover shaft hole, a shaft sleeve penetrating through the end plate of the valve cover and a sliding surface arranged on one side.

[0007] The conversion member includes a circular plate, a semi-axis arranged on one side, a driving shaft arranged on the other side and a water guide hole.

[0008] The connecting plate includes a shaft fixing hole and a long strip-shaped driving hole.

[0009] The driven driving member includes a base plate, a crank and a connecting seat.

[0010] The circular plate is rotationally and sealingly engaged with the rotating cavity, covers and seals the open ends of the top semi-circular cavity and the back spray semi-circular cavity. The half shaft is engaged with the shaft hole. The valve cover is embedded and sealed in the valve cover cavity. The drive shaft is rotationally and sealingly engaged with the shaft sleeve. The spring is engaged with the circular plate and the end plate of the valve cover, and the shaft sleeve is inserted into the spring. The shaft fixing hole is fixed to the drive shaft. One side of the base plate is slidably engaged with the sliding surface. The crank is slidably engaged with the long strip drive hole. The rod portion of the knob screw is connected to the connecting seat.

[0011] Preferably, the spring is a conical spring.

[0012] Preferably, the end of the drive shaft is waist-shaped, and the shaft fixing hole is waist-shaped.

[0013] It further includes a gasket and a screw.

[0014] The screw passes through the gasket and is screwed with the drive shaft, and the gasket is attached to the connecting plate.

[0015] Preferably, it further includes a gasket and a screw.

[0016] The screw passes through the gasket and is screwed with the crank, and the gasket is slidably engaged with the connecting plate.

[0017] Preferably, a stop block is provided on the end plate of the valve cover, and the connecting plate is engaged with the stop block.

[0018] Preferably, a top positioning hole and a back positioning hole are provided on the end plate of the valve cover.

[0019] A spring cavity and a movable cavity are provided on the connecting plate.

[0020] It further includes a positioning member and a pressure spring.

[0021] The positioning member includes a circular disc, a hemispherical protrusion and a guide rod.

[0022] The pressure spring is arranged in the spring cavity. The circular disc is slidably engaged with the movable cavity. The guide rod is inserted into the pressure spring. The hemispherical protrusion is slidably engaged with the end plate and is engaged with the top positioning hole and the back positioning hole.

[0023] A shower rod is characterized in that it includes a square longitudinal pipe, a top square transverse pipe, a top spray shower head, a back spray assembly, a face cover plate and the top-back spray conversion valve as described above.

[0024] A guide stop hole is provided on one side of the square longitudinal pipe, and a through hole is provided on the front panel.

[0025] The back spray assembly includes a back spray main body, a spray cavity cover, an annular ball head seat, a ball head and a nozzle. The back spray main body includes a water inlet interface and a plurality of spray cavities arranged longitudinally.

[0026] A ball head hole is provided on the spray cavity cover. The ball head is provided with a neck and a water outlet hole.

[0027] The face cover plate is provided with neck activity holes arranged longitudinally.

[0028] The top-back spray conversion valve and the back spray main body are arranged in the square longitudinal pipe. The rod part of the knob screw passes through the guiding and positioning hole and is screwed with the connecting seat of the driven driving part. The top water outlet pipe is communicated with the top spray shower head arranged on the top square transverse pipe, and the lower water outlet pipe is communicated with the back spray main body. The annular ball head seat is arranged in the spray cavity, the ball head is arranged on the annular ball head seat, the spray cavity cover is screwed with the spray cavity, and the neck extends out from the ball head hole and is connected with the nozzle. The face cover plate is fitted with the through hole, and the neck extends out from the neck activity hole.

[0029] The special feature of the described shower rod is that it further includes a digital display.

[0030] The face cover plate is provided with a display hole.

[0031] The digital display is arranged in the square longitudinal pipe and is fitted with the display hole.

[0032] The special feature of the described shower rod is that a hand-held shower head seat is further arranged on the square longitudinal pipe.

[0033] For the top-back spray conversion valve of the present utility model, the arrangement of the knob screw, the driven transmission part and the connecting plate enables the knob screw and the driven transmission part to move up and down together, realizing the conversion between the top spray and the back spray, which is convenient for operation and identification. Description of the Drawings

[0034] Figure 1 is the perspective view of the present utility model.

[0035] Figure 2 is the cross-sectional view of the present utility model.

[0036] Figure 3 is Figure 2 the A-A view of

[0037] Figure 4 is one of the perspective exploded views of the present utility model.

[0038] Figure 5 is another perspective exploded view of the present utility model.

[0039] Figure 6 is the third perspective exploded view of the present utility model.

[0040] Figure 7 is the fourth perspective exploded view of the present utility model.

[0041] Figure 8 is the perspective view of the second embodiment of the present utility model.

[0042] Figure 9It is a cross-sectional view of the second embodiment of the present utility model.

[0043] Figure 10 It is Figure 9 a partial enlarged view of.

[0044] Figure 11 It is Figure 9 the B-B view of.

[0045] Figure 12 It is one of the three-dimensional exploded views of the second embodiment of the present utility model.

[0046] Figure 13 It is the second of the three-dimensional exploded views of the second embodiment of the present utility model. Specific Embodiment

[0047] The following describes in detail the embodiments of the present utility model. The examples of the embodiments are shown in the drawings, where 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 drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation of the present utility model.

[0048] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "plurality" is two or more.

[0049] Embodiment 1

[0050] As Figure 1 , Figure 2 , Figure 3 shown, a top-back spray conversion valve includes a valve body 1, a valve cover 2, a conversion member 3, a spring 4, a connecting plate 5 and a driven driving member 6.

[0051] The valve body 1 includes a top semi-circular cavity 1A, a top water outlet pipe 1A1, a back spray semi-circular cavity 1B, a bottom water outlet pipe 1B1, a shaft seat 1C, a rotating cavity 1D, and a valve cover cavity 1E. The shaft seat 1C is provided with a shaft hole. The top water outlet pipe 1A1 communicates with the top of the top semi-circular cavity 1A, and the bottom water outlet pipe 1B1 communicates with the bottom of the back spray semi-circular cavity 1B. The top semi-circular cavity 1A and the back spray semi-circular cavity 1B are arranged one above the other, and the shaft seat 1C is arranged on the partition between the top semi-circular cavity 1A and the back spray semi-circular cavity 1B.

[0052] The valve cover 2 includes a water inlet connecting pipe 21, a shaft sleeve 22 penetrating through the end plate of the valve cover 2, and a sliding surface 23 arranged on one side.

[0053] The conversion part 3 includes a circular plate 31, a semi-shaft 32 arranged on one side, a driving shaft 33 arranged on the other side, and a water guiding hole 34.

[0054] The connecting plate 5 includes a shaft fixing hole 51 and a long strip-shaped driving hole 52.

[0055] The driven driving part 6 includes a base plate 61, a crank 62, and a connecting seat 63.

[0056] The circular plate 31 is rotationally and sealingly fitted with the rotating cavity 1D, covers and seals the open ends of the top semi-circular cavity 1A and the back spray semi-circular cavity 1B. The semi-shaft 32 is fitted with the shaft hole of the shaft seat 1C. The valve cover 2 is inserted into the valve cover cavity 1E and sealed. The driving shaft 33 is rotationally and sealingly fitted with the shaft sleeve 22. The spring 4 is fitted with the circular plate 31 and the end plate of the valve cover 2, and the shaft sleeve 22 is inserted into the spring 4. The shaft fixing hole 51 is fixed to the driving shaft 33. One side of the base plate 61 is slidably fitted with the sliding surface 23, and the crank 62 is slidably fitted with the long strip-shaped driving hole 52.

[0057] As Figure 3 shown, the top semi-circular cavity 1A is located in the first and second quadrants, the back spray semi-circular cavity 1B is located in the third and fourth quadrants, and the water guiding hole 34 is located in the third quadrant. As Figure 3 shown, the water guiding hole 34 communicates with the back spray semi-circular cavity 1B. As Figure 1 shown, when the driven driving part 6 moves upward, the connecting plate 5 rotates clockwise, the conversion part 3 rotates clockwise, and the water guiding hole 34 communicates with the top semi-circular cavity 1A. It can be seen from the above that when the driven driving part 6 moves up and down, conversion is realized, which is convenient for identification.

[0058] The spring 4 is a conical spring. With such a structure, the contact area between the spring 4 and the circular plate 31 is large, improving the sealing performance between the circular plate and the rotating cavity.

[0059] The end of the driving shaft 33 is waist-shaped, and the shaft fixing hole 51 is also waist-shaped.

[0060] It also includes gaskets and screws.

[0061] The screw passes through the gasket and is screwed with the drive shaft 33, and the gasket is in contact with the connecting plate 5. With such a structure, relative rotation between the drive shaft and the connecting plate is prevented, and the connecting plate can also be prevented from falling off.

[0062] As a further improvement of the present utility model: As Figure 11 shown, it further includes a gasket (not marked in the figure) and a screw,

[0063] The screw passes through the gasket and is screwed with the crank 62, and the gasket is in sliding fit with the connecting plate 5.

[0064] As a further improvement of the present utility model: A stop block 24 is provided on the end plate of the valve cover 2, and the connecting plate 5 cooperates with the stop block 24. With such a structure, when the back spray semi-circular cavity 1B in the figure is in a conducting state and is converted to the top semi-circular cavity 1A being conducting, the connecting plate and the stop block 24 are in a stop state; when it is converted from the top semi-circular cavity 1A being conducting to the back spray semi-circular cavity 1B being conducting, the connecting plate and the water inlet interface pipe cooperate to stop.

[0065] As a further improvement of the present utility model: A top positioning hole 251 and a back positioning hole 252 are provided on the end plate of the valve cover 2;

[0066] A spring cavity 53 and a movable cavity 54 are provided on the connecting plate 5;

[0067] It further includes a positioning member 7 and a pressure spring (not shown in the figure),

[0068] The positioning member 7 includes a circular disc 71, a hemispherical protrusion 72 and a guide rod 73,

[0069] The pressure spring is arranged in the spring cavity 53, the circular disc 71 is in sliding fit with the movable cavity 53, the guide rod 73 is inserted into the pressure spring, and the hemispherical protrusion 72 is in sliding fit with the end plate of the valve cover and cooperates with the top positioning hole 251 and the back positioning hole 252. During operation, it increases the feel and gives a sound prompt.

[0070] Embodiment 2

[0071] As Figure 8 、 Figure 9 shown, a shower rod includes a square longitudinal pipe 81, a top square transverse pipe 82, a top spray shower head (not shown in the figure), a face cover plate 9, a knob screw 10, a back spray assembly and a top-back spray conversion valve,

[0072] A guide stop hole 811 is provided on one side of the square longitudinal pipe 81, and a through hole 812 is provided on the front panel;

[0073] The back spray assembly includes a back spray main body 11, a spray cavity cover 12, an annular ball head seat 13, a ball head 14 and a nozzle 15,

[0074] The back spray main body 11 includes a water inlet interface 111 and a plurality of spray chambers 112 arranged longitudinally;

[0075] The spray chamber cover 12 is provided with a ball head hole 121, and the inner wall of the ball head hole 121 is a spherical surface;

[0076] The ball head 14 is provided with a neck portion 141 and a water outlet hole 142, and the water outlet hole 142 penetrates through the ball head 14 and the neck portion 141;

[0077] The surface cover plate 9 is provided with a plurality of neck moving holes 91 arranged longitudinally;

[0078] The top-back spray conversion valve and the back spray main body 11 are arranged in the square longitudinal pipe 81. The rod portion of the knob screw 7 passes through the guiding and positioning hole 811 and is screwed with the connecting seat 63 of the driven driving member 6. The top spray water pipe 1A1 is communicated with the top spray shower head arranged on the top square transverse pipe 82, and the lower water pipe 1B1 is communicated with the water inlet interface 111 of the back spray main body 11; The annular ball head seat 13 is arranged in the spray chamber 112, the ball head 14 is arranged on the annular ball head seat 13, the spray chamber cover 12 is screwed with the spray chamber 112, and the neck portion 141 extends out from the ball head hole 121 and is connected with the nozzle 15; The surface cover plate 9 is fitted with the through hole 812, and the neck portion 141 extends out from the neck moving hole 91 and swings in the neck moving hole 91.

[0079] As a further improvement of the present invention: it further includes a digital display 16,

[0080] The surface cover plate 9 is provided with a display hole 92;

[0081] The digital display 16 is arranged in the square longitudinal pipe and is fitted with the display hole 92.

[0082] The square longitudinal pipe is further provided with a hand-held shower head seat 17.

[0083] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the claims and their equivalents.

Claims

1. A top-back spray conversion valve, characterized in that: It includes a valve body, a valve cover, a conversion part, a spring, a connecting plate and a driven driving part. The valve body includes a top semi-circular cavity, a top water outlet pipe, a back spray semi-circular cavity, a lower water outlet pipe, a shaft seat, a rotating cavity and a valve cover cavity. There is a shaft hole on the shaft seat; the top water outlet pipe communicates with the top of the top semi-circular cavity, and the lower water outlet pipe communicates with the bottom of the back spray semi-circular cavity. The valve cover includes a water inlet interface pipe, a shaft sleeve penetrating the end plate of the valve cover and a sliding surface provided on one side. The conversion part includes a circular plate, a semi-shaft provided on one side, a driving shaft provided on the other side and a water guide hole. The connecting plate includes a shaft fixing hole and a long strip-shaped driving hole. The driven driving part includes a base plate, a crank and a connecting seat. The circular plate is rotationally and sealingly fitted with the rotating cavity, and covers and seals the open ends of the top semi-circular cavity and the back spray semi-circular cavity. The semi-shaft is fitted with the shaft hole. The valve cover is embedded in the valve cover cavity and sealed. The driving shaft is rotationally and sealingly fitted with the shaft sleeve, and the spring is fitted with the circular plate and the end plate of the valve cover, and the shaft sleeve is inserted into the spring; the shaft fixing hole is fixed to the driving shaft, one side of the base plate is slidably fitted with the sliding surface, and the crank is slidably fitted with the long strip-shaped driving hole.

2. The top-back spray conversion valve according to claim 1, characterized in that: The spring is a conical spring.

3. The top-back spray conversion valve according to claim 1, characterized in that: The end of the driving shaft is waist-shaped, and the shaft fixing hole is waist-shaped. It also includes gaskets and screws. The screw passes through the gasket and is screwed with the driving shaft, and the gasket is attached to the connecting plate.

4. A top-back spray conversion valve according to claim 1, characterized in that: It also includes gaskets and screws. The screw passes through the gasket and is screwed with the crank, and the gasket is slidably fitted with the connecting plate.

5. The top-back spray conversion valve according to claim 1, characterized in that: There is a stop block on the end plate of the valve cover, and the connecting plate cooperates with the stop block; the connecting plate and the water inlet interface pipe cooperate for positioning.

6. A top-back spray conversion valve according to claim 1, 2, 3, 4 or 5, characterized in that: There are a top positioning hole and a back positioning hole on the end plate of the valve cover. There are a spring cavity and a movable cavity on the connecting plate. It also includes a positioning part and a pressure spring. The positioning part includes a circular disc, a hemispherical protrusion and a guide rod. The pressure spring is arranged in the spring cavity. The circular disc is slidably fitted with the movable cavity. The guide rod is inserted into the pressure spring. The hemispherical protrusion is slidably fitted with the end plate and cooperates with the top positioning hole and the back positioning hole.

7. A shower rod, characterized in that: It includes a square longitudinal pipe, a top square transverse pipe, a top spray shower head, a face cover plate, a knob screw, a back spray assembly and a top-back spray conversion valve as described in any one of claims 1-6. There is a guide positioning hole on one side of the square longitudinal pipe, and a through hole on the front panel. The back spray assembly includes a back spray main body, a spray cavity cover, an annular ball head seat, a ball head and a nozzle. The back spray main body includes a water inlet interface and a plurality of spray cavities arranged longitudinally. There is a ball head hole on the spray cavity cover; there is a neck and a water outlet hole on the ball head. There are neck movable holes arranged longitudinally on the face cover plate. The top-back spray conversion valve and the back spray main body are arranged in the square longitudinal pipe. The rod part of the knob screw passes through the guide positioning hole and is screwed with the connecting seat of the driven driving part. The top water outlet pipe communicates with the top spray shower head arranged on the top square transverse pipe, and the lower water outlet pipe communicates with the back spray main body; the annular ball head seat is arranged in the spray cavity, the ball head is arranged on the annular ball head seat, the spray cavity cover is screwed with the spray cavity, the neck extends out from the ball head hole and is connected to the nozzle; the face cover plate is fitted with the through hole, and the neck extends out from the neck movable hole.

8. A shower rod according to claim 7, characterized in that: It also includes a digital display. There is a display hole on the face cover plate. The digital display is arranged in the square longitudinal pipe and is fitted with the display hole.

9. A shower rod according to claim 7, characterized in that: There is also a hand-held shower head seat on the square longitudinal pipe.

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