CN107940035A - A kind of self suction type shower bath apparatus water control valve - Google Patents

Abstract

The invention discloses a kind of self suction type shower bath apparatus water control valve, including one end to be equipped with valve body, the hot water inlet and cooling water inlet being arranged on valve body of water outlet, it is characterized in that the other end with respect to water outlet in the valve body is equipped with spool, cold valves block is equipped with spool；Include cold water guide section, cold water injection area in spool, inlet zone towards water outlet direction be vacuum chamber；Cold water source enters cold water guide section from cold water-guiding hole of the radial direction through spool；Hot water flow is adjusted along axle center rotation by spool, cold water source is adjusted by axial movement of the cold valves block in cold water guide section.Substantially increase the utilization ratio of cold water source kinetic energy；Just can adjusting water outlet temperature and the switch control at any time during shower by a handle；Solve tap water hydraulic to damage caused by applying high pressure in hose for shower head and valve body；Prevent that for aqueous reflux to hydrothermal area, avoid influences the comfort level that takes a shower because hot water temperature reduces in valve body.

Description

A self-priming shower water control valve

technical field

The invention relates to the technology of a self-priming shower, in particular to a water control valve for a self-priming shower.

Background technique

Self-priming simple showers are mainly used for showering needs in schools, rental houses, rural areas with relatively poor conditions and outdoor environments with running water without water heaters or insufficient shower spaces in summer (especially for washing after sports and in summer). Its most basic condition of use is tap water with normal water pressure. Use the Bernoulli principle to use the water pressure of tap water to absorb the boiled water placed in the ground container and mix it with tap water, and adjust the appropriate temperature of the water outlet according to the different needs of individual users and different seasons to achieve the purpose of showering.

Self-priming showers in the prior art have many different structural forms. For example, the patent announcement number is CN2635000Y, a multi-purpose water mixer and a self-priming shower made by the water mixer, wherein the multi-purpose water mixer has three interfaces of cold water pipe, hot water pipe and warm water pipe, and the inside of the cold water pipe The mouth of the nozzle and the inner nozzle of the warm water pipe are both in the shape of a trumpet, and there is a water mixing chamber on the upper part of the intersection of the inner nozzles of the three pipes. The minimum inner diameters of the inner nozzles of the cold water pipe and the warm water pipe are 2mm and 3mm respectively. The inner diameter of the inner nozzle of the water pipe is 6mm; the self-priming shower uses the water mixer as the core component, the cold water pipe interface of the water mixer is connected to the tap water pipe through a valve, and the hot water pipe interface is connected to the self-suction pipe from the hot water container. The warm water pipe interface is connected with the shower head. Another example is a floor self-priming simple hot water shower provided by the patent announcement number CN202776062U, which includes a water inlet pipe, a water outlet pipe, a water suction pipe, a jet and a floor water heater, and the horizontal end of the horizontally placed jet is connected to the water inlet pipe. The second horizontal end is connected to the water outlet pipe, and the floor water heater is vertically connected to the middle part of the ejector from the lower part through the water suction conduit. The flow cross-sectional area at the two horizontal ends of the ejector gradually increases. Another example is the patent notification number CN205373052U design of a water heater water-saving control device, a mixed water control valve core is provided on the hot and cold water regulating valve, and a sliding control valve plunger, connecting guide plate and water outlet stop are arranged in the water outlet hole. The combination of plates, its water inlet is connected to the outlet of the cold and hot water regulating valve, and a self-priming tee is provided in the outlet pipe above it, its outlet is connected to the water outlet of the outlet pipe, and its inlet is connected to the mixed water control valve The upper end of the water outlet hole of the core, the water suction hole is connected to the self-priming water channel in the middle of the self-priming tee, and a water storage bucket is set below the hot and cold water regulating valve, and there are upper and lower floating balls inside, and a guide sleeve is set on the upper floating ball , There is a self-absorbing pipe on the lower floating ball, the self-absorbing pipe slides through the guide sleeve, the control valve plunger, and the water outlet baffle, and then inserts into the self-absorbing channel, stores water through the water storage bucket, and controls the upper and lower floating balls to make the self-absorbing The suction-type three-purpose self-priming pipe evenly extracts and mixes the water in the water storage tank and then supplies water to the nozzle. This circulation can eliminate the cold water in the water heater pipe and achieve the purpose of water saving.

Contents of the invention

The purpose of the present invention is to provide an optimized cold and hot water mixing adjustment mechanism, a single handle to adjust the temperature of the water outlet and switch the water outlet at any time during the shower, with the function of adjusting the flow of hot water to control the water temperature by rotating the handle 360 degrees, and pressing the handle axially Water stop, self-priming shower water control valve with simple operation.

The above-mentioned technical problems of the present invention are mainly solved by the following technical solutions: a self-priming shower water control valve, comprising a valve body with a water outlet at one end, a hot water inlet and a cold water inlet arranged on the valve body , which is characterized in that a valve core is provided at the other end of the valve body opposite to the water outlet, and a cold water valve block is arranged inside the valve core; the valve core includes a cold water guide section and a cold water injection area, and the injection area is a vacuum chamber toward the water outlet The cold water source enters the cold water guide section from the radial direction through the cold water guide hole of the valve core; the hot water source is controlled by the valve core rotating along the axis, and the cold water source is blocked by the axial movement of the cold water valve block in the cold water guide section .

The technical scheme has been optimized in the following aspects: the first choice is to optimize the structure of the matching nozzle and the mixing section. According to the high base temperature in summer and relatively low consumption of hot water, the water output can be increased to make the flushing effect better; while the base temperature in winter is low. , in the case of the same water output, higher hot water temperature and more hot water volume are required, but limited to environmental conditions, more consideration is the economical use of hot water. The second is the design of the hot and cold water mixing adjustment mechanism. Only one handle can adjust the outlet water temperature and switch control at any time during the shower. The third is the integrated design of the spout and the hot water adjustment mechanism, and has the function of turning the handle 360 degrees to adjust the flow of hot water and control the water temperature. The fourth is to optimize the control of cold water. When it needs to be closed, only use the handle to rotate left and right along the axis, and use the rack to slide to close the cold water source, and the pressure is tighter and tighter under the pressure of the cold water source; It can be switched on and off at any time and can always maintain the adjusted outlet water temperature. The fifth is the design of the hot water backflow prevention mechanism. Under the adjustment control of a handle, the hot water consumption is instantly controlled to prevent the temperature of the hot water in the container from decreasing due to the backflow of warm water in the warming section. The sixth is to integrate the separate control of cold and hot water in the prior art into a control handle, integrate the water outlet control of the cold water source into the valve core and the cold water valve block, reduce the water pressure from the spray area to the shower hose, and avoid The damage caused by the pressure on the shower hose and the whole set of products caused by using the shower switch to control the water outlet in the existing products is eliminated. Finally, the hot and cold water pipes adopt plug-in connection mode, which is convenient for installation and disassembly. The extremely fast dynamic temperature display function is set to make the temperature change clear at a glance.

It should be pointed out that this technical solution is a portable shower, and by designing the cold water channel to facilitate the cold water slider to control the cold water, the self-absorption of the hot water can be controlled. This device can also be applied to conventional household hot and cold water mixing faucets. Through the dislocation of the hot and cold water in the corresponding valve core or the through hole where the valve body is located, the different overlapping degrees of the holes are used to adjust the different flows of the hot and cold water. Thereby achieving different mixing ratios of hot and cold water. Furthermore, if the valve core and valve body are processed with precision materials such as ceramics, the function of switching and regulating hot and cold water can also be achieved.

Preferably, the water outlet of the valve body and the valve core are coaxially arranged, and a cold water guide section, an injection area, a vacuum chamber, a mixing area and a diffusion section are arranged in sequence from the cold water valve block to the water outlet. The optional outlet water temperature can be achieved through reasonable boosting and mixing of water.

As a preference, the valve core and the hot water inlet matching part are provided with a heat conduction hole, and the flow of hot water can be adjusted through the change of the through hole of the heat conduction hole and the hot water inlet matching part. The heat conduction hole is generally a round hole or a long hole arranged along the circumference of the valve core. The through hole of the heat conduction hole entering the vacuum chamber and the hot water inlet are generally in a normal state. During the rotation of the valve core, the passage between the two holes The water rate changes.

As a preference, the hot water inlet is designed in the hot water joint, and the hot water joint is provided with a one-way valve toward the valve core. When not in use, the one-way valve is automatically closed.

Preferably, the cold water guide section is a conical hole, and the end of the cold water valve block facing the cold water guide section is provided with a circular plug. The cold water source is sealed by the cooperation of the circular plug and the conical hole.

As a preference, several sealing rings are provided at the matching portion between the outer circle of the valve core and the inner hole of the valve, including an intermediate damping sealing ring located between the hot water inlet and the cold water inlet. The sealing ring ensures the circulation of cold and hot water according to the respective design channels, preventing the reverse flow of cold and hot water; the middle damping sealing ring not only plays the role of strengthening the seal, but also provides users with a good control feel.

As a preference, a valve block control seat is provided at the tail end of the valve core, and a control handle is provided in the valve block control seat.

As a preference, a rack is provided at one end of the cold water valve block, and a ring gear that cooperates with the rack is provided on the control handle. According to the movement amount of the spool in the axial direction, the ring gear is designed as a part of the whole ring gear.

Preferably, the valve core rotates along the axis with a degree angle limiter. Obtain any angle limit requirement within 360 degrees through the angle limiter.

As a preference, the valve body, the valve core and the hot water joint are combined and arranged in a casing, and an instantaneous temperature display screen is provided on the casing. The housing is used to make each functional unit a complete product, and the instant outlet water temperature can be obtained during use.

The beneficial effects of the present invention are: the spatial layout of the injection area, spout, and mixing area is optimized, the adaptability to low water pressure is stronger, and the utilization efficiency of the kinetic energy of the cold water source is greatly improved; combined with temperature changes in different seasons, it meets the requirements for bathing in multiple seasons , and taking into account water saving, to strike a balance between hot water consumption and shower comfort; the outlet water temperature can be adjusted through a handle and can be switched on and off at any time during the shower; the integrated spout and hot water adjustment mechanism enable the product to rotate 360 degrees The function of the handle to adjust the hot water flow and control the water temperature; the shutdown state reduces the water pressure from the shower hose to the inner cavity of the valve body, which solves the damage caused by the tap water pressure to the shower hose and the valve body due to high pressure; prevents the valve body from The water flows back to the hot water area, which avoids the influence of shower comfort due to the drop of hot water temperature; the structure is simple, the overall strength is high, the operation is convenient, and the routine life is long.

Description of drawings

Fig. 1 is a kind of structural representation of the present invention.

Fig. 2 is a structural schematic diagram of a valve body of the present invention.

Fig. 3 is a structural schematic diagram of a valve core of the present invention.

Fig. 4 is a structural schematic diagram of a cold water valve block.

Fig. 5 is a schematic diagram of an appearance structure of the invention.

In the figure: 1. Valve body, 101. Valve core installation area, 102. Mixing area, 103. Diffusion section, 104. Cold water inlet, 105. Hot water inlet, 106. Water outlet, 2. Valve core, 201. Vacuum chamber , 202. Cold water injection area, 203. Cold water guide section, 204. Handle installation hole, 205. Valve block control seat, 3. Cold water valve block, 301. Rack, 4. Regulating handle, 5. Damping sealing ring, 6. Round plug, 7. Hanging plate, 8. Shell, 9. Hot water connector, 10. Cold water connector, 11. Extremely fast dynamic temperature display screen.

Detailed ways

The technical solutions of the present invention will be further specifically described below through the embodiments and in conjunction with the accompanying drawings.

In this embodiment, a water control valve for a self-priming shower, as shown in FIG.

The structure of the valve body 1 is shown in Figure 2, with the central axis as the main channel, one end of which is provided with a water outlet 106, and connected to the water outlet 106 is a diffuser section 103 composed of a curved surface from large to small, that is, a It is trumpet-shaped, and connected to the diffuser section 103 is a cylindrical hole-type mixing zone 102 matched with the small diameter of the diffuser section 103 . A valve core installation area 101 is provided in the valve body 1 connected to the mixing area 102 . A hot water inlet 105 and a cold water inlet 104 arranged vertically to the main channel of the central axis are sequentially arranged in the spool installation area 101 .

The valve core installation area 101 in the valve body 1 is equipped with the valve core 2 . The spool 2 and the spool installation area 101 are assembled by means of axial hot pressing, so as to cancel the axial degree of freedom between the two.

The main channel of the valve core 2 coincides with the central axis of the valve body 1 . The inside of the valve core 2 is connected to the mixing area 102 of the valve body 1 is a vacuum chamber 201 in a cylindrical space, as shown in FIG. 3 . The vacuum chamber 201 is provided with a cone-shaped nozzle, and the center of the nozzle is a cylindrical hole cold water injection area 202 . The cold water injection area 202 in the valve core 2 is connected to a conical hole-shaped cold water guide section 203 . After the cold water guide section 203, a cylindrical hole-type cold water valve block 3 positioning area is provided. The hot water inlet 105 in the valve body 1 is arranged in the area of the vacuum chamber 201 of the valve core 2; the cold water inlet 104 in the valve body 1 is arranged in the location area of the cold water valve block 3 behind the cold water guide section 203 .

The end of the cold water valve block 3 toward the direction of the cold water guide section 203 is provided with a circular blocking pad 6 . The outer diameter of the circular blocking pad 6 forms a sealing fit with the large diameter section of the conical hole of the cold water guide section 203 . The cold water inlet 104 is located behind the circular plug 6 .

So far, the main water control channel is provided with a cold water guide section 203 , an injection area 202 , a vacuum chamber 201 , a mixing area 102 and a diffusion section 103 in sequence from the cold water valve block 3 to the water outlet 106 .

The cold water source enters the cold water guide section from the cold water inlet 104 radially through the cold water guide hole on the spool 2, and controls the injection aperture of the hot water inlet 105 when the spool 2 rotates along the central axis to control the flow of hot water. That is, the matching portion of the valve core 2 and the hot water inlet 105 is provided with a heat conduction hole, through which the through hole of the heat conduction hole and the hot water inlet match portion is changed to adjust the amount of hot water source water; Move to open and block the cold water source.

Further, the hot water inlet 105 is designed in the hot water joint 9, and the hot water joint 9 is provided with a one-way valve toward the matching end of the valve core 2.

The tail end of the spool 2 is provided with a valve block control seat 205, and the valve block control seat 205 is provided with a handle mounting hole 204, and the control handle 4 is connected by a pin in the handle mounting hole 204 to form the ring gear rotation center. The tail end of the cold water valve block 3 is provided with a rack 301, as shown in FIG.

The sealing design of this embodiment is as follows: three sealing rings are arranged on the outer circle of the valve core 2 and the inner hole of the valve body 1, and a sealing ring is arranged on the outer circle of the vacuum chamber 201 area to isolate hot water and cold water; The inlet 104 is provided with a sealing ring in the direction of the control handle 4 to isolate the cold water from the valve core 2; it is located between the hot water inlet 105 and the cold water inlet 104, that is, a damping seal is set between the first two sealing rings Circle 5.

One embodiment of the rotation angle of the valve core 2 along the central axis: a degree angle limiting body is set at the matching part of the valve core 2 and the valve body 1 . The limiting body ensures that the rotation angle of the valve core 2 is limited within 90 degrees.

In this embodiment, the valve body 1 , the valve core 2 , the hot water connector 9 and the cold water connector 10 are assembled and arranged in a housing 8 to form a complete product.

Further, the shell is provided with a very fast dynamic temperature display screen 11, and the very fast dynamic temperature sensor is assembled in the diffusion section of the valve body 1 to obtain the instantaneous outlet water temperature.

The device is provided with an inserting strip at the back of the housing 8, and then the hanging plate 7 is configured. The hanging plate 7 has a slot. After the hanging plate 7 is installed, it can be fixed as long as the whole water control valve is inserted.

The water outlet process of this device is: the cold water source enters from the cold water inlet 104, and the pressure is collected along the cold water guide section 203 from the large to the small conical hole, and the high-pressure water spray is generated by the cold water injection area 202, and the vacuum chamber 201 generates a vacuum when the shower sprays water. Thereby, hot water is absorbed, enters the horn-shaped diffusion section 103 with an optimal length section through the mixing zone 102 of the cylindrical hole section, and is output through the water outlet 106 .

The above-mentioned embodiments are descriptions of the present invention, not limitations of the present invention, and any structure, method, etc. after simple transformation of the present invention belong to the protection scope of the present invention.

Claims (10)

1. a kind of self suction type shower bath apparatus water control valve, including one end are equipped with water outlet（106）Valve body（1）, be arranged on valve body Hot water inlet（105）And cooling water inlet（104）, it is characterized in that the other end with respect to water outlet in the valve body is equipped with spool （2）, spool is interior to be equipped with cold valves block（3）；Include cold water guide section in spool（203）, cold water injection area（202）, inlet zone court Water outlet direction is vacuum chamber（201）；Cold water source is from radial direction through spool（2）Cold water-guiding hole enter cold water guide section；Pass through valve Core is adjusted hot water flow along axle center rotation, and cold water source is carried out by axial movement of the cold valves block in cold water guide section Adjust.

A kind of 2. self suction type shower bath apparatus water control valve according to claim 1, it is characterized in that the valve body water outlet（106） And spool（2）It is coaxially arranged, it is equipped with cold water guide section successively from cold valves block to water outlet（203）, inlet zone（202）, vacuum Room（201）, mixed zone（102）And diffuser（103）.

A kind of 3. self suction type shower bath apparatus water control valve according to claim 1 or 2, it is characterized in that spool（2）And hot water inlet （105）Auxiliary section is equipped with thermal conductivity water hole, is changed by the through hole of thermal conductivity water hole and hot water inlet auxiliary section and adjusts hot water flow greatly It is small.

A kind of 4. self suction type shower bath apparatus water control valve according to claim 1 or 2, it is characterized in that the hot water inlet （105）Design is in hot water connector（9）In, hot water connector is towards spool（2）One end is coordinated to be equipped with check valve.

A kind of 5. self suction type shower bath apparatus water control valve according to claim 1 or 2, it is characterized in that the cold water guide section （203）For conical bore, cold valves block（3）Circular stifled pad is equipped with towards the end of cold water guide section（6）.

A kind of 6. self suction type shower bath apparatus water control valve according to claim 1 or 2, it is characterised in that spool（2）Cylindrical and valve Body（1）Inner hole position is equipped with several sealing rings, including positioned at hot water inlet（105）And cooling water inlet（104）It Between middle damping seal circle（5）.

A kind of 7. self suction type shower bath apparatus water control valve according to claim 1, it is characterized in that spool（2）Tail end is equipped with valve block control Seat processed（205）, valve block, which controls, is equipped with regulation and control handle in seat（4）.

A kind of 8. self suction type shower bath apparatus water control valve according to claim 7, it is characterised in that cold valves block（3）One end is equipped with Rack（301）, regulate and control handle（4）It is equipped with the gear ring coordinated with the rack.

A kind of 9. self suction type shower bath apparatus water control valve according to claim 1 or 2 or 7, it is characterized in that the spool（2）Edge Axle center rotation has angle limit body.

A kind of 10. self suction type shower bath apparatus water control valve according to claim 1 or 2 or 7, it is characterized in that the valve body（1）、 Spool（2）And hot water connector（9）Housing is arranged in after combination（8）In, housing is equipped with very fast dynamic Wen Xianping（11）.