Self-adaptive pressure water outlet nozzle and water outlet device

Abstract

The utility model provides a self-adaptive pressure water outlet nozzle. The water outlet side of the water outlet nozzle is provided with at least two water outlet holes and a cutting seam connected between the water outlet holes. The opening degree of the cutting seam is increased along with the increase of the pressure in the water outlet nozzle, so that the water outlet area of the water outlet nozzle is increased along with the increase of the opening degree of the cutting seam. The utility model further provides a water outlet device, and the water outlet nozzle is assembled on a surface cover of the water outlet device.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bathroom article, especially a shower device. BACKGROUND

[0002] In the prior art, the water outlet nozzle used on the faucet or shower is mostly provided with multiple water outlet holes, and since the size of the water outlet hole is small, it is not easy to clean, thus dirt is easily accumulated, resulting in blockage. If tools are used to clean the water outlet holes one by one, not only time and effort are consumed, but also damage to the water outlet holes or even the entire shower is easily caused. Therefore, it is necessary to design a water outlet nozzle that is easy to clean. SUMMARY

[0003] The utility model provides a kind of water outlet nozzle that is self-adapting pressure, and the water outlet nozzle can automatically adjust water outlet area at high pressure and low pressure.

[0004] To solve the above technical problems, the embodiment provides a water outlet nozzle that is self-adapting pressure, the water outlet side of the water outlet nozzle is provided with at least two water outlet holes, and a cutting slit connected between the water outlet holes; the opening degree of the cutting slit increases with the increase of the pressure in the water outlet nozzle, so that the water outlet area of the water outlet nozzle increases with the increase of the opening degree of the cutting slit.

[0005] In a preferred embodiment: the number of cutting slits is less than the number of water outlet holes.

[0006] In a preferred embodiment: the water outlet holes are six, arranged at the six vertices of a hexagon;

[0007] The water outlet holes are divided into two groups along the symmetry axis of the hexagon, and the cutting slit is connected between the two adjacent water outlet holes in each group.

[0008] Alternatively, the water outlet holes are divided into three groups along the circumferential direction of the hexagon, and the cutting slit is connected between the two water outlet holes in each group.

[0009] Alternatively, the cutting slit is connected between the two opposite water outlet holes along the direction of the diagonal line of the hexagon.

[0010] In a preferred embodiment: the water outlet holes are four, arranged at the four vertices of a quadrilateral.

[0011] The cutting slit is connected between the two opposite water outlet holes along the direction of the diagonal line of the quadrilateral.

[0012] Alternatively, the water outlet holes are divided into two groups, and the cutting slit is connected between the two water outlet holes in each group.

[0013] In a preferred embodiment: the cross section of the water outlet hole is circular, elliptical, plum blossom shaped or polygonal.

[0014] In a preferred embodiment: the cutting slit is in a closed state or has a certain width in a natural state.

[0015] The utility model also provides a water outlet device, the face cover of water outlet device is equipped with the water outlet nozzle as described above.

[0016] In a preferred embodiment: the face cover is provided with a mounting hole corresponding to the water outlet nozzle, and the side wall of the water outlet nozzle is provided with a clamping groove clamped with the side wall of the mounting hole.

[0017] In a preferred embodiment: the water inlet side of the water outlet device is provided with a constant pressure valve, which reduces the size of the water inlet of the water outlet device as the pressure in the inner cavity of the water outlet device increases.

[0018] In a preferred embodiment: the constant pressure valve comprises a valve body, a valve core and a spring, the valve body and the valve core are arranged inside the water inlet connector of the water outlet device, the valve body has the water inlet connected with the water inlet connector, and a water outlet flow channel is formed between the valve body and the side wall of the water inlet connector; one side of the valve core is connected with the water inlet, and the other side is connected with the inner cavity of the water outlet device; a sealing ring is arranged between the inner wall of the valve body and the side wall of the valve core; the valve core is provided with a spring;

[0019] When the pressure in the inner cavity of the water outlet device is greater than the pre-tightening force of the spring, the valve core moves towards the water inlet to reduce the communication area of the water inlet and the water outlet flow channel.

[0020] In a preferred embodiment: the valve core and the valve body form a chamber, and the valve body is provided with an exhaust hole connected with the chamber and the atmosphere.

[0021] Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

[0022] The utility model provides a kind of water outlet nozzle of self-adapting pressure, water outlet nozzle can automatically adjust water outlet area at high pressure and low pressure, so it can automatically open water outlet nozzle in the case where water outlet nozzle is blocked by impurity, let water flow flush out impurity to reach the effect of impurity removal. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the schematic view of water outlet device in preferred embodiment of the utility model;

[0024] Figure 2 It is the sectional view of water outlet device in preferred embodiment of the utility model;

[0025] Figure 3 It is Figure 2 Local enlarged view of;

[0026] Figure 4It is the exploded view of the water outlet device in the preferred embodiment of the utility model;

[0027] Figure 5 It is the schematic view of the water outlet nozzle in the low pressure in the preferred embodiment of the utility model;

[0028] Figure 6 It is the sectional view of the water outlet nozzle in the low pressure in the preferred embodiment of the utility model;

[0029] Figure 7 It is the schematic view of the water outlet nozzle in the high pressure in the preferred embodiment of the utility model;

[0030] Figure 8 It is the sectional view of the water outlet nozzle in the high pressure in the preferred embodiment of the utility model;

[0031] Figures 9-13 It is the schematic view of the replaceable water outlet hole arrangement of the water outlet nozzle in the preferred embodiment of the utility model;

[0032] Figures 14-16 It is the schematic view of the replaceable water outlet hole shape of the water outlet nozzle in the preferred embodiment of the utility model;

[0033] Figure 17 It is the exploded view of the constant pressure valve in the preferred embodiment of the utility model;

[0034] Figure 18 It is the sectional view of the constant pressure valve in the low pressure state in the preferred embodiment of the utility model;

[0035] Figure 19 It is the sectional view of the constant pressure valve in the low pressure state in the preferred embodiment of the utility model from another angle;

[0036] Figure 20 It is the sectional view of the constant pressure valve in the high pressure state in the preferred embodiment of the utility model;

[0037] Figure 21 It is the sectional view of the constant pressure valve in the high pressure state in the preferred embodiment of the utility model from another angle; DETAILED DESCRIPTION

[0038] In order to make the technical scheme and characteristics of the utility model more clear, the utility model is further explained in detail in the following with reference to the drawings and specific examples, and it should be understood that these examples are only used for explaining the utility model and not for limiting the scope of the utility model, and after reading the utility model, the modification of various equivalent forms of the utility model by the person skilled in the art all falls within the scope defined by the claims of the application.

[0039] REFERENCE Figures 1-21The embodiment provides a water outlet device, which comprises a water inlet joint 1, a body 2 and a face cover 3; the body 2 and the face cover 3 are combined to form an inner cavity of the water outlet device, the back of the body 2 is provided with a connecting seat 21 connected with the water inlet joint 1, the water inlet joint 1 is a ball head, the spherical end of the ball head is inserted into the connecting seat 21 so that the water inlet joint 1 is communicated with the inner cavity, and a sealing ring 22 is arranged in front of the inner cavity of the connecting seat 21.

[0040] In the embodiment, the face cover 3 is provided with a water outlet nozzle 31, water flows into the inner cavity from the water inlet joint 1 and then flows out from the water outlet nozzle 31, and the water outlet nozzle 31 in the embodiment is a self-adapting pressure water outlet nozzle 31, the water outlet side of the water outlet nozzle 31 is provided with four water outlet holes 311 arranged at the vertices of a quadrilateral, the four water outlet holes 311 are divided into two groups, and a cutting slot 312 is arranged between the two water outlet holes 311 in each group; the opening degree of the cutting slot 312 increases with the increase of the internal pressure of the water outlet nozzle 31, so that the water outlet area of the water outlet nozzle 31 increases with the increase of the opening degree of the cutting slot 312. That is, when the pressure in the inner cavity of the water outlet device increases, the water outlet area of the water outlet nozzle 31 increases, and vice versa. The purpose of this is that when the water outlet nozzle 31 is blocked by scale or other impurities, the decrease of the water flow will cause the pressure in the inner cavity of the water outlet device to increase, and the increased pressure acting on the water outlet side of the water outlet nozzle 31 will cause the water outlet side of the water outlet nozzle 31 to expand outward, so that the cutting slot 312 is opened, and the opened cutting slot 312 can increase the water outlet area of the water outlet nozzle 31, so that more water can flow out of the cutting slot 312, which can quickly discharge the accumulated water in the inner cavity, and can also use the opened cutting slot 312 and the water outlet hole 311 to flush out the scale and other impurities, realizing the function of automatic impurity discharge. At the same time, when the pressure in the inner cavity is small, the pressure in the inner cavity is not enough to cause the water outlet side of the water outlet nozzle 31 to expand outward, and the cutting slot 312 will not be opened. Therefore, at this time, the water flow can only flow out of the water outlet hole 311, and the jetting force of the water flow is relatively large, which can meet the needs of daily use. It should be noted that, in the embodiment, the cutting slot 312 is taken as an example in a closed state, so when the pressure in the inner cavity is relatively small, no water will flow out of the cutting slot 312. As a simple replacement of the embodiment, the cutting slot 312 can also have a certain width in a natural state, so when the pressure in the inner cavity is relatively small, the cutting slot 312 will still have a certain water flow. The focus of the application is that the opening degree of the cutting slot increases with the increase of the pressure in the inner cavity, and whether the cutting slot is completely closed or partially opened at low pressure belongs to the protection scope of the application.

[0041] As a simple variation of the embodiment, the number of the water outlets 311 can be increased or decreased according to actual use requirements, for example, the water outlets 311 are six and arranged at the six vertices of a hexagon; the arrangement of the cutting slots 312 can also be changed at will, for example, the water outlets 311 are divided into two groups along the symmetry axis of the hexagon, and the cutting slots 312 are connected between every two adjacent water outlets 311 in each group; or, the water outlets 311 are divided into three groups along the circumferential direction of the hexagon, and the cutting slots 312 are connected between every two water outlets 311 in each group; or, the cutting slots 312 are connected between opposite two water outlets 311 along the diagonal direction of the hexagon.

[0042] In addition, the cutting slots 312 can be connected between opposite two water outlets 311 along the diagonal direction of the quadrangle while keeping the water outlets 311 four and arranged at the four vertices of the quadrangle; or the water outlets 311 can be reduced to two, and the cutting slots 312 are connected between the two water outlets 311.

[0043] In addition, the cross section of the water outlet 311 in the embodiment is circular, which can also be elliptical or plum blossom shaped or polygonal as a simple replacement. In addition, the water outlets 311 with different cross sections can also use any of the above-mentioned arrangement of the water outlets 311 and the arrangement of the cutting slots 312.

[0044] In order to install the water outlet 31 on the face cover 3, the face cover 3 is provided with a mounting hole 32 corresponding to the water outlet 31, and the side wall of the water outlet 31 is provided with a clamping groove 313 clamped with the side wall of the mounting hole 32.

[0045] The above arrangement can increase the water outlet area of the water outlet 31, thereby reducing the pressure in the inner cavity of the water outlet device and avoiding the rupture of the water outlet device due to the increase of the inner cavity. However, in some extreme cases, for example, the water inlet pressure is too large, even if the cutting slot 312 is opened, the water outlet flow is still less than the water inlet flow, so the pressure in the inner cavity of the water outlet device will continue to increase, which still has the risk of rupture. In order to form a double insurance, a constant pressure valve 4 is arranged on the water inlet side of the water outlet device, which reduces the size of the water inlet of the water outlet device and thereby reduces the water inlet flow of the water outlet device as the pressure in the inner cavity of the water outlet device increases. It should be noted that the opening condition of the constant pressure valve 4 is greater than that of the cutting slot 312, that is, when the pressure in the inner cavity of the water outlet device is F1, the cutting slot 312 is opened, and when the pressure in the inner cavity of the water outlet device is F2, the constant pressure valve 4 is opened and adjusted. F1<F2, the purpose of which is to avoid the failure of the cutting slot 312 and ensure that the inner cavity pressure is adjusted by the constant pressure valve 4 when the cutting slot 312 is opened and the pressure in the inner cavity of the water outlet device is still rising.

[0046] In the embodiment, the constant pressure valve 4 comprises a valve body 41, a valve core 42 and a spring 43, the valve body 41 and the valve core 42 are arranged inside the water inlet joint 1 of the water outlet device, the valve body 41 is provided with the water inlet 411 communicated with the water inlet joint 1, and the water outlet flow channel 412 is formed between the valve body 41 and the side wall of the water inlet joint 1; one side of the valve core 42 is communicated with the water inlet 411, and the other side is communicated with the inner cavity of the water outlet device; the sealing ring 414 is arranged between the side wall of the valve core 42 and the inner wall of the valve body 41; in the embodiment, the sealing ring 414 is arranged on the valve body 41, and can also be arranged on the valve core 42. The valve core 42 is sleeved with the spring 43, and the pre-tightening force of the spring 43 can be adjusted to adjust the inner cavity pressure of the constant pressure valve 4 when the constant pressure valve 4 is opened and works. For example, the pre-tightening force of the spring 43 is adjusted to F2, and then the valve core 42 moves to the water inlet 411 only when the pressure in the inner cavity of the water outlet device is greater than F2, so as to reduce the communication area of the water inlet 411 and the water outlet flow channel 412, thereby reducing the water inlet amount.

[0047] In addition, in order to make the valve core 42 move more smoothly, the valve core 42 and the valve body 41 form a cavity, the valve body 41 is provided with the exhaust hole 413 communicated with the cavity and the atmosphere, and the air pressure in the cavity is always equal to the atmospheric pressure, so that the air pressure in the cavity does not change with the change of the size of the cavity when the valve core 42 moves relative to the valve body 41.

[0048] It should be noted that, in the embodiment, the shower is taken as an example, and the water outlet nozzle structure can be applied to other water outlet devices, such as a spray gun, a faucet and the like.

[0049] The above is only one specific embodiment of the utility model, but the design concept of the utility model is not limited to this, and any non-essential change of the utility model by using the concept belongs to the behavior of infringing the protection range of the utility model.

Claims

1. A water outlet with adaptive pressure, characterized in that: The water outlet has at least two water outlet holes on its water outlet side, and a cutting slit connecting the water outlet holes; the opening of the cutting slit increases with the increase of the pressure inside the water outlet, so that the water outlet area of ​​the water outlet increases with the increase of the opening of the cutting slit.

2. The adaptive pressure water outlet according to claim 1, characterized in that: The number of cuts is less than the number of water outlets.

3. The adaptive pressure water outlet according to claim 1, characterized in that: There are six water outlets, arranged at the six vertices of the hexagon; The water outlet is divided into two groups along the axis of symmetry of a hexagon, and the cutting slit connects two adjacent water outlets in each group. Alternatively, the water outlets are divided into three groups along the circumference of the hexagon, and the cutting slit connects the two water outlets in each group; Alternatively, the cut slit connects between two opposite water outlets along the direction of the hexagonal diagonal.

4. The adaptive pressure water outlet according to claim 1, characterized in that: There are four water outlets, arranged at the four vertices of the quadrilateral; The cutting slit connects the two opposite water outlets along the diagonal of the quadrilateral. Alternatively, the water outlet is divided into two groups, and the cutting slit is connected between the two water outlets in each group.

5. The adaptive pressure water outlet according to claim 1, characterized in that: The cross-section of the water outlet is circular, elliptical, plum blossom-shaped, or polygonal.

6. The adaptive pressure water outlet according to claim 1, characterized in that: The cutting seam is either closed in its natural state or has a certain width.

7. A water outlet device, characterized in that: The faceplate of the water outlet device is fitted with a water outlet nozzle as described in any one of claims 1-6.

8. A water outlet device according to claim 7, characterized in that: The faceplate has an installation hole corresponding to the water outlet, and the side wall of the water outlet has a groove that engages with the side wall of the installation hole.

9. A water outlet device according to claim 7, characterized in that: A constant pressure valve is provided on the inlet side of the water outlet device. The constant pressure valve reduces the size of the water outlet device inlet as the pressure inside the water outlet device increases.

10. A water outlet device according to claim 9, characterized in that: The constant pressure valve includes a valve body, a valve core, and a spring. The valve body and valve core are disposed inside the inlet connector of the water outlet device. The valve body has an inlet port that connects to the inlet connector, and a water outlet channel is formed between the valve body and the side wall of the inlet connector. One side of the valve core connects to the inlet port, and the other side connects to the inner cavity of the water outlet device. A sealing ring is provided between the inner wall of the valve body and the side wall of the valve core. A spring is sleeved on the valve core. When the pressure inside the water outlet device is greater than the preload of the spring, the valve core moves toward the water inlet to reduce the connection area between the water inlet and the water outlet channel.

11. A water outlet device according to claim 10, characterized in that: The valve core and valve body form a chamber, and the valve body is provided with an exhaust port that connects the chamber to the outside atmosphere.

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