Self-cleaning type water outlet spray gun

Abstract

The utility model discloses a self-cleaning type water outlet spray gun which comprises a spray gun main body, the spray gun main body comprises a grab handle and a spray head which are integrally formed, water passing cavities which are communicated with each other are arranged in the grab handle and the spray head, the water passing cavities are communicated with a spray nozzle on the spray head, and the spray nozzle is provided with a plurality of water outlet holes; the pressing handle switch is hinged to the spray gun body and can rotate on the spray gun body; the water retaining assembly is arranged in the water passing cavity; the water retaining assembly comprises a water retaining seat and a water sealing rod, the water sealing rod is arranged in a sliding mode and partially exposed out of the spray gun body, and the exposed end of the water sealing rod is connected with the pressing handle switch. The needle dial is arranged between the nozzle and the water passing cavity, and the needle dial is coaxially arranged towards the nozzle and is connected with a ball head at the other end of the water sealing rod; according to the technical scheme of the utility model, the structure is simple, the use is convenient, dirt on the water outlet hole of the nozzle can be automatically cleaned in daily use, the smoothness of water flow is ensured, and a user can use the nozzle very easily.

Description

Technical Field

[0001] The utility model relates to the technical field of water gun structures, in particular to a self-cleaning water spray gun. Background Art

[0002] Water spray guns are widely used in life and can be used in bathrooms, kitchens, and even car washes. They are mainly connected by a hose. When in use, the hose is pulled out and the handheld spray gun can accurately clean the stains to be cleaned, which is very convenient. However, after long-term use, the existing water spray guns often have a lot of dirt attached to the water outlet of the nozzle, resulting in frequent blockage of water flow, which affects the water flow and reduces the efficiency of daily flushing. Even if users find dirt on the water outlet later, when cleaning by themselves, they can only use a small cleaning needle to clean each water outlet one by one, which is time-consuming and labor-intensive, and the product experience is not good.

[0003] In view of this, the existing spray gun structure needs to be further improved and upgraded. Utility Model Content

[0004] The utility model provides a self-cleaning water spray gun, which has a simple structure and is easy to use. During daily use, the dirt on the water outlet of the nozzle will be automatically cleaned to ensure smooth water flow. The utility model mainly adopts the following technical solutions:

[0005] A self-cleaning water-discharging spray gun, a spray gun body, which includes an integrally formed handle and a spray head, wherein the handle and the spray head have a connected water-flowing cavity inside, the water-flowing cavity is communicated with the nozzle on the spray head, and the nozzle has a plurality of water outlets; a pressure handle switch, which is hinged on the spray gun body and can rotate on the spray gun body; a water-blocking component, which is arranged in the water-flowing cavity; the water-blocking component includes a water-blocking seat and a water-sealing rod, the water-sealing rod is slidably arranged and partially exposed on the spray gun body, and the exposed end is connected to the pressure handle switch; a needle disk, which is arranged between the nozzle and the water-flowing cavity, the needle disk is coaxially arranged facing the nozzle, and is connected to the ball head at the other end of the water-sealing rod; the pressure handle switch is controlled to rotate on the spray gun body, driving the water-sealing rod to slide on the spray gun body to open or block the water-flowing port of the water-blocking seat, and at the same time, the plurality of cleaning needles on the needle disk are linked to open or penetrate the water outlets accordingly.

[0006] Preferably, the cleaning needle is adapted to the shape of the water outlet, and both are "conical".

[0007] Preferably, the water retaining assembly further comprises a sealing gasket arranged on the water sealing rod, and when the water sealing rod slides on the spray gun body, the sealing gasket acts on the water outlet to seal it.

[0008] Preferably, the water-blocking assembly also includes an elastic reset part mounted on the water-sealing rod. When the pressure handle switch is in a normal position relative to the spray gun body, the elastic reset part drives the sealing gasket on the water-sealing rod to seal the water outlet and allows the cleaning needle on the needle plate to penetrate the water outlet.

[0009] Preferably, the elastic reset member is a rubber ring or a spring.

[0010] Preferably, the needle plate is provided with a plurality of drainage holes.

[0011] Preferably, the needle disk is penetrated by a plurality of guide holes, the water retaining seat is provided with a plurality of guide parts respectively matched with the guide holes, and the guide parts are plug-fitted and connected with the guide holes; when the water sealing rod slides on the spray gun body, the needle disk slides along the extension direction of the guide parts through the guide holes.

[0012] Preferably, the needle disk is provided with a ball joint, the water sealing rod is provided with a receiving portion for cooperating with the ball joint, and the side wall of the receiving portion is provided with a deformation cutout.

[0013] From the above description of the utility model, it can be seen that compared with the prior art, the utility model has the following beneficial effects:

[0014] (1) The utility model provides a self-cleaning water spray gun, which has a simple structure and is easy to use. During daily use, the dirt on the water outlet of the nozzle will be automatically cleaned to ensure smooth water flow, and it is extremely easy for users to use. When using it in daily bathrooms, kitchens, etc., hold the handle, press and rotate the pressure handle switch, control the needle plate to open the water outlet, and the water sealing rod to open the water outlet to achieve water outlet; when turning off the water, the pressure handle switch is reset, the needle plate guides through the water outlet, and the water sealing rod blocks the water outlet. While stopping water, the needle plate will also automatically clean the dirt on each water outlet at one time, saving time and effort.

[0015] (2) In the present technical solution, the cleaning needle and the water outlet are both "conical". When the cleaning needle and the water outlet are matched, the contact area can be increased to a certain extent, so that the dirt in the water outlet is cleaned more comprehensively, and it is not easy to leave residue, thereby improving the cleanliness.

[0016] (3) In the present technical solution, the water outlet of the water retaining seat is blocked by the sealing gasket on the water sealing rod, and the contact area is larger. Moreover, since the sealing gasket itself has elasticity, the sealing effect is better and the water stopping effect is better.

[0017] (4) An elastic reset part is set on the water sealing rod. When the spray gun finishes flushing, just release the pressure handle switch. The pressure handle switch will automatically return to normal under the action of the elastic reset part, blocking both the water inlet and the water outlet, and completing the decontamination function. The mechanized structure is used to realize the automatic water stopping and descaling functions. No power supply is required, which saves energy and provides a better user experience.

[0018] (5) The needle disc and the water retaining seat are inserted into and matched with the guide hole and the guide part, so that the needle disc can slide along the extension direction of the guide part, ensuring that the cleaning needle will not be tilted and misplaced when it passes through the corresponding water outlet hole. The cleaning needle can accurately pass through each water outlet hole, and the stability of the descaling function is guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 This is a schematic diagram of the structure of the spray gun structure of the utility model embodiment in a normal water stopping and descaling state;

[0021] Figure 2 This is a schematic diagram of the structure of the spray gun structure of the utility model when water is discharged;

[0022] Figure 3 It is an overall exploded view of an embodiment of the utility model;

[0023] Figure 4 for Figure 3 Overall cross-sectional view;

[0024] Figure 5 This is a schematic diagram of the assembly of the water sealing rod, the sealing gasket and the spring in the embodiment of the utility model;

[0025] Figure 6 It is a schematic structural diagram of the water retaining seat and the needle plate of an embodiment of the utility model.

[0026] The accompanying drawings are marked as follows: 1. Spray gun body; 11. Handle; 12. Spray head; 121. Nozzle; 122. Water outlet; 13. Water passage chamber; 2. Press handle switch; 3. Water retaining assembly; 31. Water retaining seat; 311. Guide portion; 32. Water sealing rod; 321. Accommodating portion; 322. Deformation cutout; 33. Sealing pad; 34. Elastic reset member; 4. Needle disk; 40. Ball joint; 41. Cleaning needle; 42. Drain hole; 43. Guide hole. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are preferred embodiments of the utility model and should not be regarded as excluding other embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0028] In the claims, specification and the above-mentioned drawings of the utility model, unless otherwise clearly defined, the use of terms such as "first", "second" or "third" etc. is to distinguish different objects rather than to describe a specific order.

[0029] In the claims, specification and the above-mentioned drawings of the utility model, unless otherwise explicitly defined, directional words, such as the terms "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inside", "outside", "up", "down", "front", "back", "left", "right", "clockwise", "counterclockwise", etc., indicating directions or positional relationships are based on the directions and positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the specific protection scope of the utility model.

[0030] In the claims, specification and the above drawings of the utility model, unless otherwise clearly defined, if the term "fixed connection" or "fixed connection" is used, it should be understood in a broad sense, that is, any connection method without a displacement relationship and relative rotation relationship between the two, that is to say, including non-detachable fixed connection, detachable fixed connection, integrated connection and fixed connection through other devices or elements.

[0031] In the claims, specification and drawings of the present utility model, if the terms "include", "have" and their variations are used, they are intended to mean "including but not limited to".

[0032] See also Figures 1 to 6 .

[0033] The present embodiment provides a self-cleaning water spray gun, which is mainly used to solve the problem that a large amount of dirt often adheres to the water outlet 122 of the existing water spray gun, resulting in the water flow being often blocked, the water flow being affected, and the daily flushing efficiency being reduced; the water spray gun mainly includes a spray gun body 1, a pressure handle switch 2, a water retaining assembly 3 and a needle plate 4; see Figures 1 to 4 ,in,

[0034] The spray gun body 1 includes an integrally formed handle 11 and a spray head 12. The handle 11 and the spray head 12 have a connected water passage chamber 13 inside. The water passage chamber 13 is connected to a nozzle 121 on the spray head 12. The nozzle 121 is installed on the spray head 12 and has a plurality of water outlet holes 122. The handle 11 is mainly used for hand holding and for adjusting the water outlet direction of the spray head 12. It is convenient to use and easy to operate with one hand.

[0035] The handle switch 2 is hinged on the spray gun body 1 and can rotate on the spray gun body 1; the handle switch 2 can be switched by pressing the two free ends on the spray gun body 1;

[0036] The water retaining assembly 3 is arranged in the water passage chamber 13 of the spray head 12; the water retaining assembly 3 includes a water retaining seat 31 and a water sealing rod 32, the water sealing rod 32 is slidably arranged and partially exposed from the spray gun body 1, and one exposed end is clamped on one free end of the pressure handle switch 2 for connection; when the free end of one side of the pressure handle switch 2 is pressed, the pressure handle switch 2 is lever-like tilted, driving the water sealing rod 32 to move;

[0037] The needle plate 4 is in the shape of a disk as a whole and is disposed between the nozzle 121 and the water passage chamber 13. The needle plate 4 is coaxially disposed facing the nozzle 121 and is connected to the ball head at the other end of the water sealing rod 32. In this embodiment, the threaded connection is abandoned and the ball head connection is adopted, which is more convenient and can be installed by directly buckling.

[0038] When in use, the control handle switch 2 is rotated on the spray gun body 1, driving the water sealing rod 32 to slide on the spray gun body 1 to open or block the water outlet of the water retaining seat 31. At the same time, the water sealing rod 32 will also link several cleaning needles 41 on the needle plate 4 to open or penetrate each water outlet 122 during the movement.

[0039] In this embodiment, the cleaning needle 41 on the needle disk 4 is adapted to the shape of the water outlet hole 122, and both are "conical"; when the cleaning needle 41 passes through the water outlet hole 122, the cleaning needle 41 and the inner wall surface of the water outlet hole 122 will fit each other, that is, if there is dirt in the water outlet hole 122, it will be squeezed out by the cleaning needle 41, and the cleaning effect is guaranteed by the improvement in shape.

[0040] In this embodiment, the water retaining assembly 3 also includes a sealing gasket 33 arranged on the water sealing rod 32. The sealing gasket 33 has a certain elasticity. When the water sealing rod 32 slides on the spray gun body 1, the sealing gasket 33 will be pressed on the water outlet, that is, the sealing gasket 33 and the inner wall surface of the water retaining seat 31 are in contact with each other to seal the water outlet.

[0041] In this embodiment, see Figure 5The water retaining assembly 3 also includes an elastic reset member 34 (which is a rubber ring or a spring) sleeved on the water sealing rod 32; the pressure handle switch 2 has a normal state and a rotation state on the spray gun body 1, that is, in the normal state, see Figure 1 The water sealing rod 32 moves toward the water retaining seat 31 under the action of the spring tension, and the sealing pad 33 blocks the water outlet. At the same time, the pressure handle switch 2 at one end of the water sealing rod 32 is pressed downward, and the cleaning needle 41 on the needle disk 4 at the other end is guided through the water outlet hole 122; see Figure 2 When switching the rotation state, the handle switch 2 needs to be pressed down and tilted by hand, the spring is compressed, the water sealing rod 32 starts to move, the water sealing pad is separated from the water outlet, and the cleaning needle 41 on the needle plate 4 is reset to open the water outlet 122; when the hand force is released, see Figure 1 , the spring automatically resets and the pressure handle switch 2 returns to the normal state.

[0042] In this embodiment, in order to increase the amount of water flowing through, that is, to prevent the water flow discharged from the water chamber 13 to the nozzle 121 from being blocked excessively due to the setting of the needle disk 4 and affecting the water flow rate; therefore, a plurality of drainage holes 42 are provided through the needle disk 4, and the water flow can be discharged to the nozzle 121 through the drainage holes 42, thereby increasing the water flow rate.

[0043] In this embodiment, see Figure 6 Since the needle disk 4 and the water sealing rod 32 are connected by a ball head, in order to prevent the needle disk 4 from tilting when moving and causing the cleaning needles 41 to be unable to accurately penetrate the water outlet holes 122, a plurality of guide holes 43 are penetrated on the needle disk 4, and a plurality of guide parts 311 respectively matched with the guide holes 43 are provided on the water retaining seat 31, and the guide parts 311 are plug-fitted and connected with the guide holes 43; when the water sealing rod 32 slides on the spray gun body 1, the needle disk 4 slides along the extension direction of the guide parts 311 through the guide holes 43, ensuring that the cleaning needle 41 will not tilt and be misplaced when it penetrates the corresponding water outlet holes 122, and the cleaning needle 41 can accurately penetrate the corresponding water outlet holes 122.

[0044] In this embodiment, a ball joint 40 is provided at the rear end of the needle disk 4, and the water sealing rod 32 is provided with a housing portion 321 for cooperating with the ball joint 40, and a deformation cutout 322 is provided on the side wall of the housing portion 321; when the needle disk 4 is connected to the ball head of the housing portion 321 on the water sealing rod 32 through the ball joint 40, the ball joint 40 can be squeezed into the housing portion 321, and the side wall of the housing portion 321 will expand the opening due to the deformation cutout 322 under the squeezing action of the ball joint 40 to complete the matching installation of the two, and the installation is simple and quick.

[0045] The working principle and use process of this utility model:

[0046] Before use, install the water spray gun and the water hose;

[0047] When in use, water flows through the water hose; hold the water spray gun and aim it at the position to be cleaned. At this time, the pressure handle switch 2 on the water spray gun is in the normal state. Figure 1 The water sealing rod 32 moves toward the water retaining seat 31 under the action of the spring tension, and the sealing pad 33 blocks the water outlet. At the same time, the pressure handle switch 2 at one end of the water sealing rod 32 is pressed downward, and the cleaning needle 41 on the needle disk 4 at the other end is guided through the water outlet hole 122;

[0048] When flushing, press one side of the handle switch 2 with your hand. Figure 2 , driving the pressure handle switch 2 to be pressed down and tilted, the spring is compressed, the water sealing rod 32 starts to move, the water sealing pad is separated from the water outlet, the cleaning needle 41 on the needle plate 4 is reset and the water outlet 122 is opened to complete the switching, and the water flow will be discharged from the water chamber 13 to the water outlet 122 of the nozzle 121 to flush the position to be cleaned;

[0049] When you release your hand force, see Figure 1 , the spring automatically resets, driving the water sealing rod 32 to link with the pressure handle switch 2 to return to the normal state, the water outlet of the water retaining seat 31 is blocked to stop water, and at the same time, the cleaning needle 41 penetrates the water outlet hole 122 to close the water outlet hole 122 and performs secondary water stopping and blocking, and discharges the dirt remaining on the water outlet hole 122. Therefore, when the utility model is used in daily bathrooms, kitchens and other scenes, the handle 11 is held, and the pressure handle switch 2 is pressed and rotated to control the needle plate 4 to open the water outlet hole 122 and the water sealing rod 32 to open the water outlet to realize water discharge; when the water is turned off, the pressure handle switch 2 is reset, the needle plate 4 penetrates the water outlet hole 122, and the water sealing rod 32 blocks the water outlet, and at the same time of stopping water, the needle plate 4 will also automatically clean the dirt on each water outlet hole 122 at one time, saving time and effort.

[0050] The description of the above specification and embodiments is used to explain the protection scope of the utility model, but does not constitute a limitation on the protection scope of the utility model. Through the enlightenment of the utility model or the above embodiments, ordinary technicians in this field can obtain modifications, equivalent replacements or other improvements to the embodiments of the utility model or part of the technical features thereof through logical analysis, reasoning or limited experiments, which should be included in the protection scope of the utility model.

Claims

1. A self-cleaning water spray gun, characterized in that: include The spray gun body includes an integrally formed handle and a spray head, wherein the handle and the spray head have a connected water passage cavity inside, the water passage cavity is connected to a nozzle on the spray head, and the nozzle has a plurality of water outlet holes; A pressure handle switch is hinged on the spray gun body and can rotate on the spray gun body; A water retaining assembly is arranged in the water passage cavity; the water retaining assembly comprises a water retaining seat and a water sealing rod, the water sealing rod is slidably arranged and partially exposed from the spray gun body, and the exposed end is connected to the pressure handle switch; The needle disk is arranged between the nozzle and the water passage chamber. The needle disk is coaxially arranged facing the nozzle and is connected to the ball head at the other end of the water sealing rod. The pressure handle switch is controlled to rotate on the spray gun body, driving the water sealing rod to slide on the spray gun body to open or block the water passage of the water retaining seat, and at the same time, several cleaning needles on the needle disk are linked to open or penetrate each water outlet hole accordingly.

2. A self-cleaning water spray gun as claimed in claim 1, characterized in that: The cleaning needle is adapted to the shape of the water outlet, and both are "conical".

3. A self-cleaning water spray gun as claimed in claim 1, characterized in that: The water retaining assembly also includes a sealing pad arranged on the water sealing rod. When the water sealing rod slides on the spray gun body, the sealing pad acts on the water outlet to seal it.

4. A self-cleaning water spray gun as claimed in claim 3, characterized in that: The water retaining assembly also includes an elastic reset part mounted on the water sealing rod. When the pressure handle switch is in a normal position relative to the spray gun body, the elastic reset part drives the sealing gasket on the water sealing rod to seal the water outlet and allows the cleaning needle on the needle plate to penetrate the water outlet.

5. A self-cleaning water spray gun as claimed in claim 4, characterized in that: The elastic reset element is a rubber ring or a spring.

6. A self-cleaning water spray gun as claimed in claim 4, characterized in that: The needle plate is provided with a plurality of drainage holes.

7. A self-cleaning water spray gun as claimed in claim 1, characterized in that: The needle disk is penetrated by a plurality of guide holes, the water retaining seat is provided with a plurality of guide parts respectively matched with the guide holes, and the guide parts are plug-fitted and connected with the guide holes; when the water sealing rod slides on the spray gun body, the needle disk slides along the extension direction of the guide parts through the guide holes.

8. A self-cleaning water spray gun as claimed in claim 1, characterized in that: The needle disc is provided with a ball joint, the water sealing rod is provided with a receiving portion for cooperating with the ball joint, and the side wall of the receiving portion is provided with a deformation cutout.

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