A manually adjustable spray gun structure

Abstract

The present invention relates to a manually-adjusted spray gun structure, comprising a base, a spray gun arranged on the base, a water valve arranged on the base and used to control the water inlet state of the spray gun, and a handle for controlling the water outlet state of the water valve. The handle is provided with a position adjustment wheel that can rotate relative to the handle, and the spray gun is provided with a rack. The adjustment wheel and the rack are connected to each other through a transmission gear assembly. The base is provided with a support assembly that can support the spray gun, and the spray gun can slide back and forth relative to the support assembly. When the position adjustment wheel is rotated, the spray gun slides back and forth relative to the support assembly. The operation is simple and convenient, that is, the cleaning position of the spray gun can be adjusted without using electricity.

Description

Technical field

[0002] The invention relates to the technical field of toilets, in particular to a hand-adjustable spray gun structure for toilets. [Background Technology]

[0004] Usually, old-style bathrooms in homes do not have reserved power sockets, so smart toilets cannot be used. In addition, some families do not want to use smart toilets due to concerns about electrical safety, but they need the function of controlling the spray gun cleaning position. Therefore, it is urgent to design a manual-adjustable spray gun structure to meet the needs of such users. [Summary of the invention]

[0006] In order to solve the above problems, the present invention provides a hand-adjustable spray gun structure with simple structure and easy use.

[0007] To achieve the above objectives, the present invention provides the following technical solutions:

[0008] A manually-adjustable spray gun structure comprises a base 1, a spray gun 2 arranged on the base 1, a water valve 3 arranged on the base 1 and used to control the water inlet state of the spray gun 2, and a handle 4 for controlling the water outlet state of the water valve 3. The handle 4 is provided with a position adjustment wheel 5 that can rotate relative to the handle 4. The spray gun 2 is provided with a rack 211, and the position adjustment wheel 5 and the rack 211 are connected to each other through a transmission gear assembly 6. A support assembly that can support the spray gun 2 is provided on the base 1, and the spray gun 2 can slide back and forth relative to the support assembly. When the position adjustment wheel 5 is rotated, the spray gun 2 slides back and forth relative to the support assembly.

[0009] As a preferred embodiment, it is further defined as: an external gear portion 51 and a rotating portion 52 are provided on the circumferential surface of the position adjustment wheel 5, and the transmission gear assembly 6 includes a first transmission wheel 61 meshing with the external gear portion 51, a second transmission wheel 62 meshing with the rack 211, and a transmission rod 63 connecting the first transmission wheel 61 and the second transmission wheel 62.

[0010] As a preferred embodiment, it is further defined as: the support assembly includes a first front support plate 11 and a second front support plate 12 arranged on both sides of the front end of the spray gun 2 and a first rear support plate 13 and a second rear support plate 14 arranged on both sides of the rear end of the spray gun 2, and the first front support plate 11, the second front support plate 12, the first rear support plate 13 and the second rear support plate 14 are all provided with a slide groove 10, and the spray gun 2 is provided with a guide slide rod 210 that extends into the slide groove 10 and can slide relative to the slide groove 10.

[0011] As a preferred embodiment, it is further defined as follows: an elastic locking assembly 7 is provided on the base 1 and is located at the lower end of the external gear portion 51 and is used to limit the rotation of the position adjustment wheel 5 .

[0012] As a preferred embodiment, it is further defined that: a ball hole 15 for accommodating the elastic latch assembly 7 is further provided on the base 1. The elastic latch assembly 7 includes a ball 71 and a ball return spring 72 that are sequentially arranged in the ball hole 15 from top to bottom. The upper end of the ball 71 has a locking portion 711 that is exposed outside the ball hole 15 and can be snapped into the tooth groove of the external gear portion 51.

[0013] As a preferred embodiment, it is further defined that: the spray gun 2 has a first water inlet joint 24 and a second water inlet joint 25. The water valve 3 is provided with a first water outlet joint 31 that is connected to the first water inlet joint 24 through a pipeline and a second water outlet joint 32 that is connected to the second water inlet joint 25 through a pipeline. Rotating the handle 4 can control the water output of the first water outlet joint 31 or the second water outlet joint 32.

[0014] As a preferred embodiment, it is further defined that: the spray gun 2 includes a spray gun sleeve 21 that is movably connected to the support assembly, a slide rod assembly 22 that is arranged in the spray gun sleeve 21 and can extend forward outside the spray gun 2 under the action of water pressure, and a slide rod return spring 23 that is arranged in the spray gun sleeve 21 and can drive the slide rod assembly 22 to reset; a spray gun top cover 26 is provided at the rear end of the spray gun sleeve 21. The left and right ends of the spray gun top cover 26 are respectively fixedly connected to the first water inlet joint 24 and the second water inlet joint 25. A first water spray channel 221 and a second water spray channel 222 are arranged in the slide rod assembly 22. A pushing cavity 260 that is communicated with the first water spray channel 221 and the second water spray channel 222 and first push rod sliding cavities 261 and second push rod sliding cavities 262 located at both ends of the pushing cavity 260 are arranged in the spray gun top cover 26. A water sealing block assembly 27 for blocking the first water spray channel 221 or the second water spray channel 222 is provided at the rear end of the slide rod assembly 22. The water sealing block assembly 27 is provided with a pushing portion 270 that extends into the pushing cavity 260;

[0015] A first push rod 28 that can extend into the pushing cavity 260 to push the pushing portion 270 when the first water inlet joint 24 is filled with water so that the water sealing block assembly 27 blocks the second water spray channel 222 is arranged in the first push rod sliding cavity 261. The first push rod 28 has a first water inlet channel 281 that can connect the first water inlet joint 24 and the pushing cavity 260 when the first water inlet joint 24 is filled with water. A first push rod return spring 280 that can drive the first push rod 28 to reset when the first water inlet joint 24 is not filled with water is further arranged in the first push rod sliding cavity 261;

[0016] A second push rod 29 is disposed within a second push rod sliding cavity 262. When water enters through the second water inlet joint 25, the second push rod 29 extends into the pushing cavity 260 to push the pushing portion 270, causing the water sealing block assembly 27 to block the first water spraying channel 221. The second push rod 29 has a second water inlet channel 222 that connects the second water inlet joint 25 to the pushing cavity 260 when water enters through the second water inlet joint 25. A second push rod return spring 290 is also disposed within the second push rod sliding cavity 262 to drive the second push rod 29 to reset when the second water inlet joint 25 is not supplying water.

[0017] As a preferred embodiment, it is further defined that: the water sealing block assembly 27 includes a fixed seat 271 fixedly connected to the bottom of the spray gun sleeve 21 and a slider 272 that can move horizontally relative to the fixed seat 271. The pushing portion 270 is disposed on the slider 272, and a sliding groove 273 for the horizontal movement of the slider 272 is provided on the fixed seat 271.

[0018] As a preferred embodiment, it is further defined that: the sliding rod assembly 22 includes a sliding rod 223 and a spray head 224 assembled at the front end of the sliding rod 223. The front end of the sliding rod 223 has a sliding portion 2231, and the rear end of the sliding rod 223 has an assembling portion 2232 with a diameter larger than that of the sliding portion 2231. The water sealing block assembly 27 is assembled on the assembling portion 2232. A sliding rod sliding cavity 212 for the sliding of the assembling portion 2232 and an extending cavity 213 connected to the sliding rod sliding cavity 212 and for the sliding of the sliding portion 2231 are provided within the spray gun sleeve 21. An extending hole 214 for the sliding portion 2231 to extend outside the spray gun sleeve 21 is provided at the front end of the extending cavity 213. The front end of the sliding portion 2231 is fixedly connected to the spray head 224, and a stainless steel sleeve 20 is sleeved on the sliding portion 2231 and the spray head 224. The sliding rod return spring 23 is sleeved on the stainless steel sleeve 20, and the diameter of the sliding rod return spring 23 is larger than the diameter of the extending hole 214 and smaller than the diameter of the extending cavity 213.

[0019] Both the first water spraying channel 221 and the second water spraying channel 222 are provided within the sliding portion 2231. The spray head 224 is provided with a first spray hole 2241 connected to the first water spraying channel 221 and a second spray hole 2242 connected to the second water spraying channel 222.

[0020] As a preferred embodiment, it is further defined as: the water valve 3 includes a valve body 30, and the valve body 30 is respectively provided with a switching chamber 301 with an opening facing outward and away from the water outlet direction of the first water outlet joint 31 and the second water outlet joint 32, and a water inlet chamber 302 vertically connected to the switching chamber 301 and opening facing outward; the water valve 3 also includes a pressure relief cover 33 covering the cavity mouth of the water inlet chamber 302 and a valve cover 34 covering the cavity mouth of the switching chamber 301, a float 35 is provided in the water inlet chamber 302, and the pressure relief cover 33 is provided with a water valve inlet joint 330; a first sealing waterproof groove 332 is provided on the pressure relief cover 33, and a first sealing waterproof ring 331 is provided in the first sealing waterproof groove 332, which is located in the switching chamber 301 after assembly to ensure that the switching chamber 301 does not leak.

[0021] The outer side of the valve cover 34 is provided with an external linkage part 341, and the external linkage part 341 is movably connected to a handle cover 40 for being fixedly connected to the handle 4. The handle cover 40 and the handle 4 can be fixedly connected by a snap-fit structure. The inner side of the valve cover 34 is provided with an internal linkage part 342 extending into the switching chamber 301. The internal linkage part 342 is provided with a fixed switching piece 36 fixedly connected thereto and a rotating switching piece 37 that can rotate relative thereto. The rotating switching piece 37 is provided with a switching notch 370. The left and right sides of the internal linkage part 342 are respectively provided with a first water inlet hole 343 and a second water inlet hole 344 corresponding to the rotating switching piece 37. A torsion bar 38 is passed through the valve cover 34, and one end of the torsion bar 38 is connected to the rotating switching piece 37, and the other end extends out of the valve cover 34 and is connected to the handle cover 40; a torsion bar 38 is provided in the switching chamber 301 between the internal linkage part 342 and the first water outlet connection A sealing plate 39 is provided between the head 31 and the second water outlet joint 32; the sealing plate 39 is provided with a first sealing through hole 391 that can communicate with the first water outlet joint 31 and a second sealing through hole 392 that can communicate with the second water outlet joint 32; the fixed switching plate 36 is provided with a first fixed through hole 361 that can communicate with the first sealing through hole 391 and a second fixed through hole 362 that can communicate with the second sealing through hole 392; when the handle 1 is rotated, the handle cover 40, torsion bar 38 and rotating switching plate 37 rotate synchronously with the handle 1, so that the switching gap 370 connects the first water inlet hole 343 with the first fixed through hole 361 or the second water inlet hole 344 with the second fixed through hole 362. The inner linkage part 342 is provided with a second sealing waterproof groove 345, and the second sealing waterproof groove 345 is equipped with a second sealing waterproof ring that is located in the water inlet chamber 302 after assembly to ensure that water in the water inlet chamber 302 does not leak out. The torsion bar 38 is also provided with a third sealing waterproof ring to prevent water from leaking out of the inner linkage portion 342 , thereby achieving a good sealing effect.

[0022] The beneficial effects of the present invention are as follows: a position adjustment wheel is provided on the handle, and a rack is provided on the spray gun. The position adjustment wheel and the rack are connected to each other through a transmission gear assembly. By manually rotating the position adjustment wheel, the spray gun can slide back and forth relative to the support assembly. The operation is simple and convenient, that is, the cleaning position of the spray gun can be adjusted without using electricity.

Brief Description of the Drawings

[0024] Figure 1 It is a structural schematic diagram of the present invention;

[0025] Figure 2 This is a schematic diagram of the assembly structure of the water valve, handle and position adjustment wheel;

[0026] Figure 3 It is a schematic diagram of the structural decomposition of the transmission gear assembly;

[0027] Figure 4 It is a structural diagram of the base;

[0028] Figure 5 It is a schematic diagram of the structure of the spray gun;

[0029] Figure 6 It is a cross-sectional view of the spray gun;

[0030] Figure 7 This is a schematic diagram of the spray gun in use;

[0031] Figure 8 This is a cross-sectional view of the spray gun in use;

[0032] Figure 9 It is a schematic diagram of the decomposition of the spray gun structure;

[0033] Figure 10 It is a schematic diagram of the structure of the water valve and handle;

[0034] Figure 11 It is a structural diagram of the valve cover;

[0035] Figure 12 Schematic diagram of the structure of the sealing sheet;

[0036] Figure 13 It is a structural diagram of a fixed switching piece. [Specific implementation method]

[0038] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments:

[0039] As attached Figure 1A hand-adjustable spray gun structure includes a base 1, a spray gun 2 arranged on the base 1, a water valve 3 arranged on the base 1 and used to control the water inlet state of the spray gun 2, and a handle 4 for controlling the water outlet state of the water valve 3. The handle 4 is provided with a position adjustment wheel 5 that can rotate relative to it, and a rack 211 is provided on the spray gun 2. The position adjustment wheel 5 and the rack 211 are connected to each other through a transmission gear assembly 6; a support assembly that can support the spray gun 2 is provided on the base 1, and the spray gun 2 can slide back and forth relative to the support assembly. When the position adjustment wheel 5 is rotated, the spray gun 2 slides back and forth relative to the support assembly. The operation is simple and convenient, that is, the spray gun cleaning position can be adjusted without electricity.

[0040] As attached Figure 2 and attached Figure 3 As shown, the position adjustment wheel 5 is provided with an external gear portion 51 and a rotating portion 52 on its circumference. The transmission gear assembly 6 comprises a first transmission wheel 61 meshing with the external gear portion 51, a second transmission wheel 62 meshing with the rack 211, and a transmission rod 63 connecting the first and second transmission wheels 61, 62. This structure is simple, with convenient transmission and responsiveness. The transmission rod 63 is keyed to the first and second transmission wheels 61, 62, ensuring a secure assembly. During use, the base 1 is fitted with a cover that covers the spray gun 2, water valve 3, and other components, leaving only the handle 4 and rotating portion 52 exposed, creating an aesthetically pleasing product.

[0041] As attached Figure 4 As shown, the support assembly includes a first front support plate 11 and a second front support plate 12 provided on both sides of the front end of the spray gun 2, and a first rear support plate 13 and a second rear support plate 14 provided on both sides of the rear end of the spray gun 2. The first front support plate 11, the second front support plate 12, the first rear support plate 13, and the second rear support plate 14 are all provided with a slide groove 10. The spray gun 2 is provided with a guide slide rod 210 that extends into the slide groove 10 and can slide relative to the slide groove 10. During assembly, the guide slide rod 210 can be snapped into the slide groove 10, resulting in a simple structure and easy assembly. To facilitate the slide rod assembly 22 to extend forward from the spray gun 2, the slide groove 10 is tilted downward along the extension direction of the slide rod assembly 22. The slide grooves 10 on the first rear support plate 13 and the second rear support plate 14 are higher than the slide grooves 10 on the first front support plate 11 and the second front support plate 12, so that the assembled spray gun 2 is tilted downward along the extension direction of the slide rod assembly 22. In addition, in order to prevent the spray gun 2 from moving by itself, the base 1 is provided with an elastic locking assembly 7 located at the lower end of the external gear portion 51 and used to limit the rotation of the position adjustment wheel 5.

[0042] In this embodiment, a marble hole 15 for accommodating the elastic latch assembly 7 is further provided on the base 1. The elastic latch assembly 7 includes a marble 71 and a marble return spring 72 that are sequentially arranged in the marble hole 15 from top to bottom. The upper end of the marble 71 has a latch portion 711 that is exposed outside the marble hole 15 and can be snapped into the tooth groove of the external gear portion 51. When the transmission gear assembly 6 is rotated, the external gear portion 51 will press down the marble 71. When the transmission gear assembly 6 is not rotated, the latch portion 711 of the marble 71 will be snapped into the closest tooth groove of the external gear portion 51 under the action of the marble return spring 72 to latch the transmission gear assembly 6, increasing the frictional force to prevent the transmission gear assembly 6 from rotating.

[0043] The spray gun 2 has a first water inlet joint 24 and a second water inlet joint 25. The water valve 3 is provided with a first water outlet joint 31 that is connected to the first water inlet joint 24 through a pipeline and a second water outlet joint 32 that is connected to the second water inlet joint 25 through a pipeline. Rotating the handle 4 can control the water output of the first water outlet joint 31 or the second water outlet joint 32. In this embodiment, the first water inlet joint 24 is a feminine wash water inlet joint, and the second water inlet joint 25 is a hip wash water inlet joint.

[0044] As shown in the Figure 5 to the Figure 9 accompanying drawings, the spray gun 2 includes a spray gun sleeve 21 that is movably connected to the support assembly, a slide rod assembly 22 that is arranged in the spray gun sleeve 21 and can extend forward outside the spray gun 2 under the action of water pressure, and a slide rod return spring 23 that is arranged in the spray gun sleeve 21 and can drive the slide rod assembly 22 to reset; a spray gun top cover 26 is provided at the rear end of the spray gun sleeve 21. The left and right ends of the spray gun top cover 26 are respectively fixedly connected to the first water inlet joint 24 and the second water inlet joint 25. A first water spray channel 221 and a second water spray channel 222 are arranged in the slide rod assembly 22. A pushing cavity 260 that is communicated with the first water spray channel 221 and the second water spray channel 222 and first push rod sliding cavities 261 and second push rod sliding cavities 262 located at both ends of the pushing cavity 260 are arranged in the spray gun top cover 26. A water sealing block assembly 27 for blocking the first water spray channel 221 or the second water spray channel 222 is provided at the rear end of the slide rod assembly 22. The water sealing block assembly 27 is provided with a pushing portion 270 that extends into the pushing cavity 260;

[0045] A first push rod 28 is arranged in the first push rod sliding cavity 261. When water enters through the first water inlet joint 24, the first push rod 28 can extend into the pushing cavity 260 to push the pushing part 270, so that the water sealing block assembly 27 seals the second water spraying channel 222. The first push rod 28 has a first water inlet channel 281 that can connect the first water inlet joint 24 and the pushing cavity 260 when water enters through the first water inlet joint 24. A first push rod return spring 280 is also arranged in the first push rod sliding cavity 261, which can drive the first push rod 28 to reset when the first water inlet joint 24 is not supplying water.

[0046] A second push rod 29 is arranged in the second push rod sliding cavity 262. When water enters through the second water inlet joint 25, the second push rod 29 can extend into the pushing cavity 260 to push the pushing part 270, so that the water sealing block assembly 27 seals the first water spraying channel 221. The second push rod 29 has a second water inlet channel 222 that can connect the second water inlet joint 25 and the pushing cavity 260 when water enters through the second water inlet joint 25. A second push rod return spring 290 is also arranged in the second push rod sliding cavity 262, which can drive the second push rod 29 to reset when the second water inlet joint 25 is not supplying water.

[0047] In this embodiment, the water sealing block assembly 27 includes a fixed seat 271 fixedly connected to the bottom of the spray gun sleeve 21 and a slider 272 that can move horizontally relative to the fixed seat 271. The pushing part 270 is arranged on the slider 272, and a sliding groove 273 for the horizontal movement of the slider 272 is arranged on the fixed seat 271. The sliding groove 273 can not only facilitate the sliding of the slider 272, but also connect the pushing cavity 260 with the first water spraying channel 221 or the second water spraying channel 222 to facilitate the flow of water.

[0048] In this embodiment, the slide bar assembly 22 includes a slide bar 223 and a spray head 224 assembled at the front end of the slide bar 223. The front end of the slide bar 223 has a sliding portion 2231, and the rear end of the slide bar 223 has an assembly portion 2232 with a diameter larger than that of the sliding portion 2231. The water sealing block assembly 27 is assembled on the assembly portion 2232. A slide bar sliding cavity 212 for the sliding of the assembly portion 2232 and an extension cavity 213 communicating with the slide bar sliding cavity 212 and for the sliding of the sliding portion 2231 are provided in the spray gun sleeve 21. An extension hole 214 for the sliding portion 2231 to extend out of the spray gun sleeve 21 is provided at the front end of the extension cavity 213. When the spray gun 2 is filled with water, the water pressure can push the slide bar assembly 22 to extend forward out of the spray gun 2 by acting on the water sealing block assembly 27. The front end of the sliding portion 2231 is fixedly connected to the spray head 224. A stainless steel sleeve 20 is sleeved on the sliding portion 2231 and the spray head 224. The slide bar return spring 23 is sleeved on the stainless steel sleeve 20. The diameter of the slide bar return spring 23 is larger than the diameter of the extension hole 214 and smaller than the diameter of the extension cavity 213, which can ensure that the slide bar assembly 22 and the slide bar return spring 23 will not be completely pushed out of the spray gun 2 by the water pressure and can be reset when the spray gun 2 is not filled with water.

[0049] In this embodiment, both the first water spraying channel 221 and the second water spraying channel 222 are provided in the sliding portion 2231. The spray head 224 is provided with a first spray hole 2241 connected to the first water spraying channel 221 and a second spray hole 2242 connected to the second water spraying channel 222. The first spray hole 2241 is used for the feminine wash function, and the second spray hole 2242 is used for the hip wash function.

[0050] Working principle: When the handle 4 is toggled or twisted to rotate in one direction, the first water outlet joint 31 of the water valve 3 discharges water, the first water inlet joint 24 intakes water, the first push rod 28 pushes the slider 272 to block the second water spraying channel 222, the water pressure pushes the slide bar assembly 22 to extend forward out of the spray gun 2, and water flows in from the first water spraying channel 221 and sprays out from the first spray hole 2241 for the feminine wash; when the water valve 3 is closed, the first push rod 28 is reset under the action of the first push rod return spring 280, and the slide bar assembly 22 is reset under the action of the slide bar return spring 23.

[0051] When the handle 4 is toggled or turned in the other direction, the second water outlet joint 32 of the water valve 3 discharges water, the second water inlet joint 25 intakes water, the second push rod 29 pushes the slider 272 to block the first water spray channel 221, the water pressure pushes the slide rod assembly 22 to extend forward out of the spray gun 2 and water flows in from the second water spray channel 222 and sprays out from the second spray hole 2242 for hip washing; when the water valve 3 is closed, the second push rod 29 is reset under the action of the second push rod return spring 290, and the slide rod assembly 22 is reset under the action of the slide rod return spring 23.

[0052] As shown in the appended Figure 10 to the appended Figure 13As shown, the water valve 3 includes a valve body 30. Inside the valve body 30, there are respectively provided a switching chamber 301 with an opening facing outward and deviating from the water outlet directions of the first water outlet joint 31 and the second water outlet joint 32, and a water inlet chamber 302 that is vertically communicated with the switching chamber 301 and has an opening facing outward. In order to relieve pressure, the valve body 30 can also be provided with a pressure relief water outlet that is the same as the water inlet chamber 302 for pressure relief drainage. The water valve 3 further includes a pressure relief cover 33 covering the opening of the water inlet chamber 302 and a valve cover 34 covering the opening of the switching chamber 301. A float 35 is arranged inside the water inlet chamber 302. The pressure relief cover 33 is provided with a water valve inlet joint 330, and the water valve inlet joint 330 is externally connected to tap water. When water enters from the water valve inlet joint 330, the float 35 floats up so that water can enter the water inlet chamber 302. An external linkage part 341 is arranged on the outer side of the valve cover 34, and a handle cover 40 for fixedly connecting with the handle 4 is movably connected to the external linkage part 341. Further, there is a snap connection between the handle 4 and the handle cover 40. The rotation angle of the handle cover 40 is restricted between the valve cover 34 and the handle cover 40 by a limiting mechanism, and the limiting mechanism can be a limiting groove mechanism, a ball mechanism, etc. An internal linkage part 342 extending into the switching chamber 301 is arranged on the inner side of the valve cover 34. A fixed switching piece 36 fixedly connected to it and a rotatable switching piece 37 that can rotate relative to it are arranged inside the internal linkage part 342. The fixed switching piece 36 and the internal linkage part 342 are in keyway fit.The rotating switching piece 37 is provided with a switching notch 370. On the left and right sides of the inner linkage part 342 corresponding to the rotating switching piece 37, a first water inlet hole 343 and a second water inlet hole 344 are respectively provided. A torsion bar 38 is inserted through the valve cover 34. One end of the torsion bar 38 is connected with the rotating switching piece 37 through a keyway fit, and the other end extends out of the valve cover 34 and is connected with the handle cover 40 through a keyway fit. A sealing piece 39 is arranged in the switching cavity 301 between the inner linkage part 342, the first water outlet joint 31 and the second water outlet joint 32. The sealing piece 39 is provided with a first sealing through hole 391 communicating with the first water outlet joint 31 and a second sealing through hole 392 communicating with the second water outlet joint 32. The fixed switching piece 36 is provided with a first fixed through hole 361 communicating with the first sealing through hole 391 and a second fixed through hole 362 communicating with the second sealing through hole 392. When the handle 1 is rotated, the handle cover 40, the torsion bar 38 and the rotating switching piece 37 rotate synchronously with the handle 1, so that the switching notch 370 connects the first water inlet hole 343 with the first fixed through hole 361 or the second water inlet hole 344 with the second fixed through hole 362. Water flows from the water inlet cavity 302 through the first water inlet hole 343, the first fixed through hole 361 and the first sealing through hole 391 and flows out from the first water outlet joint 31 or flows from the water inlet cavity 302 through the second water inlet hole 344, the second fixed through hole 362 and the second sealing through hole 392 and flows out from the second water outlet joint 32.

[0053] In this embodiment, in order to prevent water leakage between the gaps of various components, a first sealing waterproof groove 332 is provided on the pressure relief cover 33, and a first sealing waterproof ring 331 located in the switching cavity 301 after assembly is arranged in the first sealing waterproof groove 332 to ensure that the switching cavity 301 does not leak water. The inner linkage part 342 is provided with a second sealing waterproof groove 345, and a second sealing waterproof ring located in the water inlet cavity 302 after assembly is assembled in the second sealing waterproof groove 345 to ensure that the water in the water inlet cavity 302 does not leak out. The torsion bar 38 is also sleeved with a third sealing waterproof ring to prevent water from leaking out from inside and outside the inner linkage part 342, and the sealing effect is good.

Claims

1. A manually adjustable spray gun structure, comprising a base (1), a spray gun (2) arranged on the base (1), a water valve (3) arranged on the base (1) and used to control the water inlet state of the spray gun (2), and a handle (4) used to control the water outlet state of the water valve (3), characterized in that The handle (4) is provided with a position adjustment wheel (5) capable of rotating relative thereto, the spray gun (2) is provided with a rack (211), and the position adjustment wheel (5) and the rack (211) are connected to each other through a transmission gear assembly (6); the base (1) is provided with a support assembly capable of supporting the spray gun (2), and the spray gun (2) includes a spray gun sleeve (21) movably connected to the support assembly, a slide rod assembly (22) provided in the spray gun sleeve (21) and capable of extending forward outside the spray gun (2) under the action of water pressure, and a support assembly (22) provided in the spray gun sleeve (21) and capable of driving the slide rod The slide rod reset spring (23) resets the assembly (22); the spray gun (2) can slide forward and backward relative to the support assembly, and when the position adjustment wheel (5) is rotated, the spray gun (2) slides forward and backward relative to the support assembly; the support assembly includes a first front support plate (11) and a second front support plate (12) arranged on both sides of the front end of the spray gun (2) and a first rear support plate (13) and a second rear support plate (14) arranged on both sides of the rear end of the spray gun (2), and the first front support plate (11), the second front support plate (12), the first rear support plate (13) and the second rear support plate (14) are all provided with a slide groove ( 10), the spray gun (2) is provided with a guide slide bar (210) which extends into the slide groove (10) and can slide relative to the slide groove (10); when assembling, the guide slide bar (210) can be inserted into the slide groove (10), the slide groove (10) is tilted downward along the extension direction of the slide bar assembly (22), and the slide grooves (10) on the first rear support plate (13) and the second rear support plate (14) are higher than the slide grooves (10) on the first front support plate (11) and the second front support plate (12), so that the assembled spray gun (2) is tilted downward along the extension direction of the slide bar assembly (22); the circumferential surface of the position adjustment wheel (5) is provided with a guide slide bar (210) which can slide relative to the slide groove (10); the guide slide bar (210) is inserted into the slide groove (10), the slide groove (10) is tilted downward along the extension direction of the slide bar assembly (22), and the slide grooves (10) on the first rear support plate (13) and the second rear support plate (14) are higher than the slide grooves (10) on the first front support plate (11) and the second front support plate (12), so that the assembled spray gun (2) is tilted downward along the extension direction of the slide bar assembly (22); An external gear portion (51) and a rotating portion (52) are provided, and an elastic locking assembly (7) is provided on the base (1) and is located at the lower end of the external gear portion (51) and is used to limit the rotation of the position adjustment wheel (5); a ball hole (15) is also provided on the base (1) for accommodating the elastic locking assembly (7), and the elastic locking assembly (7) includes a ball (71) and a ball return spring (72) arranged in the ball hole (15) from top to bottom, and the upper end of the ball (71) has a locking portion (711) exposed outside the ball hole (15) and capable of being locked in the tooth groove of the external gear portion (51).

2. The manual spray gun structure according to claim 1, characterized in that The transmission gear assembly (6) comprises a first transmission wheel (61) meshed with the external gear portion (51), a second transmission wheel (62) meshed with the rack (211), and a transmission rod (63) connecting the first transmission wheel (61) and the second transmission wheel (62).

3. The manual spray gun structure according to any one of claims 1-2, characterized in that The spray gun (2) has a first water inlet joint (24) and a second water inlet joint (25); the water valve (3) is provided with a first water outlet joint (31) connected to the first water inlet joint (24) by a pipe and a second water outlet joint (32) connected to the second water inlet joint (25) by a pipe; and rotating the handle (4) can control water to flow out of the first water outlet joint (31) or the second water outlet joint (32).

4. The manual spray gun structure according to claim 3, characterized in that The rear end of the spray gun sleeve (21) is provided with a spray gun top cover (26), and the left and right ends of the spray gun top cover (26) are fixedly connected to the first water inlet connector (24) and the second water inlet connector (25) respectively. The slide rod assembly (22) is provided with a first water spray channel (221) and a second water spray channel (222). The spray gun top cover (26) is provided with a push chamber (260) communicating with the first water spray channel (221) and the second water spray channel (222), and a first push rod sliding chamber (261) and a second push rod sliding chamber (262) located at both ends of the push chamber (260). The rear end of the slide rod assembly (22) is provided with a water sealing block assembly (27) for sealing the first water spray channel (221) or the second water spray channel (222), and the water sealing block assembly (27) is provided with a push portion (270) extending into the push chamber (260); The first push rod sliding cavity (261) is provided with a first push rod (28) capable of extending into the pushing cavity (260) and pushing the pushing portion (270) when the first water inlet joint (24) is filled with water, thereby causing the water sealing block assembly (27) to block the second water spraying channel (222). The first push rod (28) has a first water inlet channel (281) capable of connecting the first water inlet joint (24) with the pushing cavity (260) when the first water inlet joint (24) is filled with water. The first push rod sliding cavity (261) is also provided with a first push rod reset spring (280) capable of driving the first push rod (28) to reset when the first water inlet joint (24) is not filled with water. A second push rod (29) is provided in the second push rod sliding cavity (262) and is capable of extending into the pushing cavity (260) and pushing the pushing portion (270) when water is flowing into the second water inlet joint (25), thereby causing the water sealing block assembly (27) to block the first water spray channel (221). The second push rod (29) has a second water inlet channel that is capable of connecting the second water inlet joint (25) with the pushing cavity (260) when water is flowing into the second water inlet joint (25). A second push rod return spring (290) is also provided in the second push rod sliding cavity (262) and is capable of driving the second push rod (29) to return to its original position when water is not flowing into the second water inlet joint (25).

5. The manual spray gun structure according to claim 4, characterized in that The water sealing block assembly (27) comprises a fixing seat (271) fixedly connected to the bottom of the spray gun sleeve (21) and a sliding block (272) capable of laterally moving relative to the fixing seat (271); the pushing portion (270) is arranged on the sliding block (272); and the fixing seat (271) is provided with a sliding groove (273) for the laterally moving sliding block (272).

6. The manual spray gun structure according to claim 4, characterized in that The slide rod assembly (22) comprises a slide rod (223) and a spray head (224) assembled at the front end of the slide rod (223); the front end of the slide rod (223) comprises a sliding portion (2231); the rear end of the slide rod (223) comprises an assembly portion (2232) having a diameter larger than that of the slide portion (2231); the water sealing block assembly (27) is assembled on the assembly portion (2232); a slide rod sliding cavity (212) for sliding the assembly portion (2232) and a nozzle (224) communicating with the slide rod sliding cavity (212) and for the slide portion (2232) to slide are provided in the spray gun sleeve (21). 231) a sliding extension cavity (213), the front end of the extension cavity (213) is provided with an extension hole (214) for the sliding part (2231) to extend out of the spray gun sleeve (21); the front end of the sliding part (2231) is fixedly connected to the spray head (224), the sliding part (2231) and the spray head (224) are sleeved with a stainless steel sleeve (20), the sliding rod return spring (23) is sleeved on the stainless steel sleeve (20), and the diameter of the sliding rod return spring (23) is larger than the diameter of the extension hole (214) and smaller than the diameter of the extension cavity (213); The first water spray channel (221) and the second water spray channel (222) are both arranged in the sliding portion (2231), and the spray head (224) is provided with a first spray hole (2241) connected to the first water spray channel (221) and a second spray hole (2242) connected to the second water spray channel (222).

7. The manual spray gun structure according to claim 4, characterized in that The water valve (3) comprises a valve body (30), wherein the valve body (30) is provided with a switching chamber (301) with an opening facing outward and away from the water outlet direction of the first water outlet joint (31) and the second water outlet joint (32), and a water inlet chamber (302) vertically connected to the switching chamber (301) and opening facing outward; the water valve (3) further comprises a pressure relief cover (33) covering the cavity opening of the water inlet chamber (302) and a valve cover (34) covering the cavity opening of the switching chamber (301); a float (35) is provided in the water inlet chamber (302), and the pressure relief cover (33) is provided with a water valve inlet joint (33). 0); The outer side of the valve cover (34) is provided with an external linkage portion (341), and the external linkage portion (341) is movably connected to a handle cover (40) for fixed connection with the handle (4). The inner side of the valve cover (34) is provided with an internal linkage portion (342) extending into the switching chamber (301), and the inner linkage portion (342) is provided with a fixed switching piece (36) fixedly connected thereto and a rotating switching piece (37) capable of rotating relative thereto, and the rotating switching piece (37) is provided with a switching notch (370). The left and right sides of the internal linkage portion (342) are disposed corresponding to the rotating switching piece (37). A first water inlet hole (343) and a second water inlet hole (344) are provided respectively; a torsion bar (38) is provided in the valve cover (34); one end of the torsion bar (38) is connected to the rotation switching plate (37), and the other end extends out of the valve cover (34) and is connected to the handle cover (40); a sealing plate (39) is provided in the switching chamber (301) and is located between the inner linkage portion (342) and the first water outlet joint (31) and the second water outlet joint (32); the sealing plate (39) is provided with a first sealing through hole (391) that can communicate with the first water outlet joint (31) and a sealing through hole (392) that can communicate with the second water outlet joint (32); The second sealing through hole (392) communicates with the two water outlet joints (32); the fixed switching piece (36) is provided with a first fixed through hole (361) capable of communicating with the first sealing through hole (391) and a second fixed through hole (362) capable of communicating with the second sealing through hole (392); when the handle (4) is rotated, the handle cover (40), the torsion bar (38) and the rotating switching piece (37) rotate synchronously with the handle (4), so that the switching notch (370) connects the first water inlet hole (343) with the first fixed through hole (361) or connects the second water inlet hole (344) with the second fixed through hole (362).

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