Switch handle of sprayer

Abstract

The technical scheme belongs to the technical field of sprayers, and particularly relates to a switch handle of a sprayer. The valve element device is arranged in the handle body in a sliding mode, and the end of the valve element device movably extends out of the side wall of the handle body; the switch handle is rotationally connected to the handle body, and the side wall of the switch handle movably abuts against the extending end of the valve element device; the locking key is rotationally connected to the handle body, and the end of the locking key movably abuts against the switch handle; after the switch handle rotates in the direction close to the handle body, the locking key is driven to rotate in the direction close to the handle body, so that the end of the locking key abuts against the switch handle, rotation of the switch handle in the direction away from the handle body is limited, and the switch handle can maintain the working state; and if the two modes of'continuous spot injection 'and'continuous automatic water spraying' need to be switched, the user can quickly complete mode switching by rotating the locking key with one hand, so that the operation is simple, and the use flexibility and comfort are improved.

Description

Technical Field

[0001] This technical solution relates to the field of sprayer technology, and specifically refers to a sprayer switch handle. Background Technology

[0002] A sprayer is a device that uses air suction to convert medicine or other liquids into a mist and spray it evenly onto the target object.

[0003] Currently, existing technologies such as the sprayer switch handle disclosed in Chinese Patent CN201342392Y and the sprayer switch exhaust device disclosed in Chinese Patent CN101670323A all achieve spray control by pressing or rotating the switch handle (such as a grip or a wrench). Among existing sprayers, some products have a continuous locking spray function, which can avoid the user from continuously pressing the switch handle. However, if it is necessary to switch between the two modes of "continuous burst spray" and "continuous automatic spray", it is difficult for the user to quickly switch modes with one hand, which affects the spraying efficiency and reduces the ease of use. Therefore, it is urgent to optimize the locking structure design to simplify the operation logic and improve the flexibility and comfort of one-handed operation. Utility Model Content

[0004] The purpose of this technical solution is to provide a switch handle for a sprayer, which abuts against the switch handle by rotating the locking key, thereby putting the switch handle into the working state to realize the spraying operation of the sprayer. This improves the problem that the existing sprayer switch handle is inconvenient to use and cannot quickly switch between the two modes of "continuous burst spray" and "continuous automatic water spray" with one hand.

[0005] The purpose of this technical solution is achieved as follows:

[0006] A sprayer switch handle, comprising:

[0007] The handle body is used to connect the water supply pipe and nozzle of the sprayer;

[0008] A valve core device is slidably disposed within the handle body, and the end of the valve core device extends movably out of the side wall of the handle body. The valve core device is used to control the on / off state and flow rate inside the handle body.

[0009] A switch handle is rotatably connected to the handle body, and the side wall of the switch handle moves against the protruding end of the valve core device to drive the valve core device to the open state.

[0010] A locking key is rotatably connected to the handle body, and the end of the locking key moves to abut against the switch handle;

[0011] When the switch handle is rotated toward the handle body, the locking key is driven to rotate toward the handle body, so that the end of the locking key abuts against the switch handle, thereby restricting the switch handle from rotating away from the handle body.

[0012] Preferably, the locking key has a locking part at its front end and a driving part, and the front half of the switch handle is provided with an abutment part; by driving the driving part, the locking key is rotated, thereby causing the locking part to abut the abutment part, thus restricting the rotation of the switch handle.

[0013] Preferably, the locking part has a guide surface and a locking surface, and the abutting part has a guide surface and an abutting surface;

[0014] When the locking key is rotated toward the handle body, the first guide surface slides on the second guide surface, thereby causing the locking surface to move into contact with the abutment surface.

[0015] Preferably, the side wall of the handle body is provided with a hinge seat one and a hinge seat two in sequence along its length direction;

[0016] The front half of the switch handle is provided with a hinge groove, and the side wall of the hinge groove is provided with a hinge hole. A hinge seat is placed in the hinge groove, and the hinge hole and the hinge seat are hinged by a hinge pin. The front half of the switch handle has a clearance groove, and the side wall of the clearance groove is provided with a clearance opening. The edge of the clearance groove opening has the abutment part.

[0017] The front half of the locking key is provided with a second hinge groove, the side wall of the second hinge groove is provided with a second hinge hole and the locking part, the front half of the locking key passes through the clearance opening and is movably placed in the clearance groove, the second hinge seat is movably placed in the second hinge groove, and the second hinge hole and the second hinge seat are hinged by a second hinge pin.

[0018] When the switch handle is rotated toward the handle body, the locking key is driven to rotate toward the handle body, causing the locking part to rotate into the clearance groove and abut against the abutting part.

[0019] Preferably, the front end of the switch handle has a rotation limiting part, and the side wall of the handle body is provided with a limiting turntable. The rotation limiting part abuts against the limiting turntable to restrict the switch handle from rotating in a direction away from the handle body.

[0020] Preferably, a decorative cover is snapped onto the handle body, and guide grooves and snap-fit ​​holes are provided on the inner walls of both the front and rear ends of the decorative cover. The snap-fit ​​holes are located at the bottom of the guide grooves, and the guide grooves penetrate the side ends of the decorative cover.

[0021] The front and rear ends of the handle body are provided with snap-fit ​​protrusions on both side walls. The snap-fit ​​protrusions slide in the guide groove and are placed in the snap-fit ​​hole to realize the installation of the decorative cover on the handle body.

[0022] Preferably, guide protrusions are provided on both the front and rear ends of the handle body, and the guide protrusions are provided with the snap-fit ​​protrusions, and the guide protrusions are slidably placed in the guide grooves.

[0023] Preferably, the handle body includes:

[0024] The valve seat has an inlet channel, an installation cavity, and an outlet channel. The inlet channel is connected to the installation cavity, and the installation cavity is connected to the outlet channel. The valve core device is installed in the installation cavity, and the end of the valve core device extends out of the installation cavity and abuts against the switch handle.

[0025] A handle, the front end of which is threaded to the rear end of the valve seat, is connected to the water inlet channel.

[0026] Preferably, the mounting cavity has an opening one and an opening two at both ends, and both opening one and opening two penetrate the interior and exterior of the mounting cavity. The mounting cavity has a limiting boss inside.

[0027] The valve core assembly includes:

[0028] A nut, which is threadedly connected to the opening one, and the nut and the opening one are sealed by a sealing ring one;

[0029] A valve core base is slidably disposed within the mounting cavity;

[0030] The valve core rod is slidably disposed in the mounting cavity. One end of the valve core rod is connected to the valve core base, and the other end of the valve core rod extends out of the mounting cavity through the second opening. The side wall of the valve core rod is sealed with the inner wall of the second opening by a sealing ring. There is a water passage gap between the middle part of the valve core rod and the inner wall of the mounting cavity.

[0031] An elastic element is installed in the mounting cavity, and its two ends abut against the nut and the valve core base respectively. The elastic deformation of the elastic element causes the valve core base to abut against the limiting boss and causes the end of the valve core rod to extend out of the mounting cavity through the second opening.

[0032] Preferably, the switch handle has a drive protrusion that movably abuts against the end of the valve core rod extending from the second opening.

[0033] The key and beneficial technical effects of this technical solution compared to existing technologies are:

[0034] 1. This technical solution uses the rotation of the locking key to make the end of the locking key abut against the switch handle, thereby restricting the rotation of the switch handle away from the handle body. This allows the switch handle to maintain its working state, thus keeping the spray gun in a constantly open state. Users can quickly switch between "continuous burst spray" and "continuous automatic spraying" modes by rotating the locking key with one hand, improving the flexibility and comfort of use. At the same time, users do not need to press the switch handle continuously, making it convenient, easy, and effortless to use.

[0035] 2. This technical solution features a hinge seat 1 and a hinge seat 2 arranged sequentially along the length of the side wall of the handle body. The hinge seat 1 and the hinge seat 2 are respectively connected to the switch handle and the locking button. That is, when the finger presses the switch handle to start the spraying operation, the finger of the same hand can press the locking button to lock the switch handle. The operation is simple and convenient, and the same hand can control the switch handle and the locking button to rotate to the working state or the non-working state, improving the ease of use.

[0036] 3. This technical solution improves the aesthetics of the handle body by setting a decorative cover. At the same time, the decorative cover makes it easier for users to hold the handle body, ensuring grip comfort and stability. Attached Figure Description

[0037] Figure 1 This is a schematic diagram of the structure of this technical solution.

[0038] Figure 2 This is a cross-sectional view of the technical solution.

[0039] Figure 3 This is a cross-sectional view showing that the switch handle and locking button of this technical solution are in an inactive state.

[0040] Figure 4 This is a cross-sectional view showing the switch handle in the working state and the locking key in the non-working state of this technical solution.

[0041] Figure 5 This is a schematic diagram showing the structure of this technical solution with both the switch handle and the locking button in the working state.

[0042] Figure 6 This is one of the exploded views of this technical solution.

[0043] Figure 7 This is the second exploded view of this technical solution.

[0044] Reference numerals: 1. Handle body; 11. Hinge seat one; 111. Hinge pin one; 12. Hinge seat two; 121. Hinge pin two; 13. Rotary platform; 14. Snap-fit ​​protrusion; 15. Guide protrusion;

[0045] 2. Valve core assembly; 21. Nut; 22. Valve core base; 23. Valve core rod; 24. Elastic element; 25. Water passage gap; 26. Sealing ring one; 27. Sealing ring two; 28. Sealing ring three;

[0046] 3. Switch handle; 31. Abutment part; 311. Guide surface two; 312. Abutment surface; 32. Hinge groove one; 321. Hinge hole one; 33. Clearance groove; 331. Clearance opening; 34. Rotation limiting part; 35. Drive protrusion; 36. Drive part two;

[0047] 4. Locking key; 41. Locking part; 411. Guide surface one; 412. Locking surface; 42. Hinge groove two; 421. Hinge hole two; 43. Drive part one;

[0048] 5. Decorative cover; 51. Guide groove; 52. Snap-fit ​​hole;

[0049] 6. Valve seat; 61. Inlet channel; 62. Mounting cavity; 621. Opening one; 622. Opening two; 623. Limiting boss; 624. Chamber one; 625. Chamber two; 626. Flow hole; 63. Outlet channel;

[0050] 7. Handle; 71. Sealing ring four; 8. Filter screen. Detailed Implementation

[0051] The specific implementation of this technical solution will be further described in detail below with reference to the accompanying drawings.

[0052] Combination Figures 1-3 A sprayer switch handle includes: a handle body 1, a valve core device 2, a switch handle 3, and a locking key 4;

[0053] The handle body 1 is used to connect the water supply pipe and the nozzle of the sprayer. One end of the handle body 1 is connected to the water supply pipe of the sprayer, and the other end of the handle body 1 is connected to the nozzle.

[0054] The valve core device 2 is slidably disposed inside the handle body 1 and is used to control the on / off state and flow rate inside the handle body 1. The flow rate and flow rate of liquid inside the handle body 1 are realized by controlling the size of the liquid flow channel inside the handle body 1 through the valve core device 2.

[0055] The switch handle 3 is rotatably connected to the handle body 1 to drive the valve core device 2 to the open state (so that liquid can flow through the inside of the handle body 1).

[0056] The end of the valve core device 2 extends out of the side wall of the handle body 1 and abuts against the switch handle 3. The valve core device 2 causes the switch handle 3 to have a tendency to move away from the handle body 1, or a torsion spring is provided at the rotational connection between the switch handle 3 and the handle body 1 to realize that the switch handle 3 has a tendency to move away from the handle body 1. When the switch handle 3 moves in a direction away from the handle body 1, the valve core device 2 is in the closed state.

[0057] The locking key 4 is rotatably connected to the handle body 1, and the end of the locking key 4 moves to abut against the switch handle 3;

[0058] Combination Figures 3-5 When the switch handle 3 is rotated toward the handle body 1 (i.e., the switch handle 3 is in the working state, i.e., by...), Figure 3 The state in becomes Figure 4 After the valve core device 2 is moved to the open state, the spray gun of the sprayer can perform spraying operations. At this time, by driving the locking key 4 to rotate towards the handle body 1 (that is, the locking key 4 is in the working state, i.e., by...), the valve core device 2 is moved to the open state. Figure 4 The state in becomes Figure 5 In the state of the lock key 4, the end of the lock key 4 abuts against the switch handle 3, thereby restricting the switch handle 3 from rotating away from the handle body 1, so as to keep the switch handle 3 in working state, that is, to make the sprayer in "continuous automatic water spraying mode" and realize the continuous spraying of the sprayer gun.

[0059] When the switch handle 3 needs to be released from its working state, the locking key 4 is rotated away from the handle body 1, so that the end of the locking key 4 no longer abuts against the switch handle 3, that is, the locking key 4 releases the lock on the switch handle 3 (the locking key 4 is in a non-working state), so that the switch handle 3 rotates away from the handle body 1 under the action of the valve core device 2 or the torsion spring, so that the switch handle 3 is in a non-working state, that is, the sprayer gun stops spraying. At this time, the sprayer is put into the "continuous burst" mode by pressing the switch handle 3.

[0060] The locking key 4 keeps the switch handle 3 in the working state, thereby keeping the valve core device 2 in the open state, which means that the sprayer gun is kept in the open state without the user having to press the switch handle 3 all the time, making operation easy and effortless.

[0061] Both the switch handle 3 and the locking button 4 are rotatably connected to the same side wall of the handle body 1, allowing the user to control the rotation of the switch handle 3 and the locking button 4 with one hand. This facilitates locking the switch handle 3 with the locking button 4, keeping the switch handle 3 in the working state. At the same time, when unlocking is required, the locking button 4 can be driven without the need for the other hand. Only the fingers of the hand holding the handle body 1 are needed to drive the locking button 4 to rotate. The operation is quick and convenient, and the switch handle 3 can be unlocked or locked by rotating the locking button 4 with one hand. This enables quick switching between the two modes of "continuous burst spray" and "continuous automatic water spray", improving the efficiency of spraying operations and enhancing the convenience, flexibility and comfort of use.

[0062] Combination Figures 3-5 The locking key 4 has a locking part 41 at its front end, and the front half of the switch handle 3 is provided with an abutment part 31; the locking part 41 abuts against the abutment part 31 to restrict the rotation of the switch handle 3, prevent the switch handle 3 from rotating away from the handle body 1, and ensure that the valve core device 2 is in the open state, thereby ensuring that the spray gun of the sprayer is in the spraying state.

[0063] The locking key 4 also has a drive part 43. The locking key 4 rotates on the handle body 1 by driving the drive part 43, thereby realizing the locking key 4 in the working state or the non-working state. In this design, the drive part 43 is provided at the rear end of the locking key 4. In practice, the drive part 43 can be provided at the left end and / or the right end of the locking key 4 (that is, the drive part 43 extends out along the axis of the hinge hole 421). The drive part 43 extends out of the side wall of the relief groove 33 (that is, the side wall of the relief groove 33 is provided with an arc-shaped relief hole for the extension of the drive part 43, and the drive part 43 can slide in the arc-shaped relief hole when the switch handle 3 is rotated to ensure the stable rotation of the switch handle 3). The rotation of the locking key 4 is realized by rotating the drive part 43.

[0064] The rear end of the switch handle 3 has a second drive part 36. By driving the second drive part 36, the switch handle 3 can be rotated on the handle body 1, thereby realizing the switch handle 3 in the working state or the non-working state.

[0065] The locking part 41 has a guide surface 411 and a locking surface 412, and the abutting part 31 has a guide surface 311 and an abutting surface 312;

[0066] When the locking key 4 is rotated toward the handle body 1, the first guide surface 411 slides on the second guide surface 311, thereby causing the locking surface 412 to move into contact with the abutment surface 312, thus enabling the locking key 4 to restrict the rotation of the switch handle 3.

[0067] When the locking key 4 is rotated away from the handle body 1, the guide surface 411 slides on the guide surface 311, causing the locking surface 412 to separate from the contact surface 312, thereby enabling the switch handle 3 to rotate away from the handle body 1, that is, to realize that the valve core device 2 is in the closed state.

[0068] Combination Figure 2 , Figure 6 and Figure 7 The side wall of the handle body 1 is provided with a hinge seat 11 and a hinge seat 2 12 in sequence along its length direction.

[0069] The front half of the switch handle 3 is provided with a hinge groove 32, and both sides of the hinge groove 32 are provided with hinge holes 321. The hinge seat 11 is placed in the hinge groove 32, and the hinge holes 321 and the hinge seat 11 are hinged together by a hinge pin 111. The front half of the switch handle 3 has a clearance groove 33, and the side wall of the clearance groove 33 is provided with a clearance opening 331. The edge of the clearance groove 33 has the abutment part 31.

[0070] The front half of the locking key 4 is provided with a hinge groove 42. Both sides of the hinge groove 42 are provided with hinge holes 421 and the locking part 41. The front half of the locking key 4 passes through the clearance opening 331 and is movably placed in the clearance groove 33. The hinge seat 12 is movably placed in the hinge groove 42. The hinge hole 421 and the hinge seat 12 are hinged by the hinge pin 121.

[0071] When the switch handle 3 is rotated toward the handle body 1, the locking key 4 is driven to rotate toward the handle body 1, causing the locking part 41 to rotate into the clearance groove 33 and abut against the abutting part 31.

[0072] like Figure 2 As shown, the front and rear side walls of the second hinge groove 42 are inclined, so that the second hinge groove 42 forms a V-shaped groove, and the diameter of the groove opening of the second hinge groove 42 is larger than the diameter of the groove bottom. The front and rear end faces of the second hinge seat 12 are inclined to form a V-shaped protrusion. The V-shaped protrusion can rotate in the V-shaped groove with the axis of the second hinge hole 421 as the axis of rotation. The front side wall of the second hinge groove 42 abuts against the front end face of the second hinge seat 12, or the rear side wall of the second hinge groove 42 abuts against the rear end face of the second hinge seat 12, thus limiting the rotation range of the locking key 4.

[0073] Combination Figures 2-7The front end of the switch handle 3 has a rotation limiting part 34, and the front side wall of the handle body 1 is provided with a limiting turntable 13. The rotation limiting part 34 abuts against the limiting turntable 13 to restrict the switch handle 3 from rotating in a direction away from the handle body 1.

[0074] Combination Figure 1 , Figure 6 and Figure 7 A decorative cover 5 is snapped onto the handle body 1. The inner walls of both the front and rear ends of the decorative cover 5 are provided with guide grooves 51 and snap-fit ​​holes 52. That is, the decorative cover 5 is provided with four guide grooves 51 and four snap-fit ​​holes 52. The snap-fit ​​holes 52 are located at the bottom of the guide grooves 51, and the guide grooves 51 penetrate through the lower end of the decorative cover 5.

[0075] The handle body 1 has four snap-fit ​​protrusions 14 on its two side walls at both ends. The snap-fit ​​protrusions 14 slide in the guide groove 51 and are placed in the snap-fit ​​hole 52, so that the decorative cover 5 can be installed on the handle body 1.

[0076] Guide protrusions 15 are provided on both the front and rear ends of the handle body 1. The guide protrusions 15 are provided with the snap-fit ​​protrusions 14. The guide protrusions 15 are slidably placed in the guide grooves 51.

[0077] Combination Figure 2 and Figure 6 The handle body 1 includes:

[0078] The valve seat 6 has an inlet channel 61, an installation cavity 62, and an outlet channel 63. The inlet channel 61 connects to the installation cavity 62, and the installation cavity 62 connects to the outlet channel 63. The outlet channel 63 is used to connect to the spray gun of the sprayer. The valve core device 2 is provided in the installation cavity 62, and the end of the valve core device 2 extends out of the installation cavity 62 and abuts against the switch handle 3. The valve core device 2 moves to different positions in the installation cavity 62 to control the opening and closing of the inlet channel 61 and the outlet channel 63, as well as the channel size when connected.

[0079] The handle 7 has its front end threadedly connected to the rear end of the valve seat 6. The handle 7 is connected to the water inlet channel 61 and is used to connect the water supply pipe of the sprayer. A sealing ring 71 is provided at the connection between the handle 7 and the valve seat 6.

[0080] The filter screen 8 is installed inside the handle 7, and the front end of the filter screen 8 has an overlap, which is pressed and fixed to the rear end of the valve seat 6 by the handle 7.

[0081] The mounting cavity 62 has an opening 621 at one end and an opening 622 at the other end. Both openings 621 and 622 penetrate the interior and exterior of the mounting cavity 62. The mounting cavity 62 has a limiting boss 623 inside.

[0082] The valve core device 2 includes:

[0083] Nut 21 is threaded onto opening 621, and nut 21 and opening 621 are sealed together by sealing ring 26.

[0084] The valve core base 22 is slidably disposed within the mounting cavity 62;

[0085] The valve core rod 23 is slidably disposed in the mounting cavity 62. One end of the valve core rod 23 is connected to the valve core base 22, and the other end of the valve core rod 23 extends out of the mounting cavity 62 through the second opening 622. The side wall of the valve core rod 23 is sealed with the inner wall of the second opening 622 by the second sealing ring 27. There is a water passage gap 25 between the middle part of the valve core rod 23 and the inner wall of the mounting cavity 62.

[0086] An elastic element 24 is installed in the mounting cavity 62, and the two ends of the elastic element 24 abut against the nut 21 and the valve core base 22 respectively. The elastic deformation of the elastic element 24 causes the valve core base 22 to abut against the limiting boss 623 and causes the end of the valve core rod 23 to extend out of the mounting cavity 62 through the second opening 622.

[0087] The limiting boss 623 divides the mounting cavity 62 into a first chamber 624 and a second chamber 625. The first chamber 624 and the second chamber 625 are connected by a flow hole 626. The first chamber 624 is connected to the water inlet channel 61, and the second chamber 625 is connected to the water outlet channel 63. The valve core base 22 is slidably placed in the first chamber 624, and the elastic element 24 is placed in the first chamber 624. The elastic element 24 drives the valve core base 22 to abut against the limiting boss 623 to seal the flow hole 626, that is, the valve core device 2 is in the closed state. The valve core rod 23 is slidably placed in the second chamber 625, and the valve core rod 23 extends into the first chamber 624 through the flow hole 626 and is connected to the valve core base 22.

[0088] A sealing ring 28 is provided at the lower end of the valve core base 22. The sealing ring 28 abuts against the limiting boss 623, that is, the sealing ring 28 abuts against the edge of the flow hole 626 to achieve the sealing of the flow hole 626.

[0089] When the valve core rod 23 moves towards the nut 21 against the elastic element 24, the valve core rod 23 causes the valve core base 22 to leave the limiting boss 623, that is, the valve core base 22 leaves the flow hole 626, that is, the valve core device 2 is in the open state. At this time, a water gap 25 is formed between the valve core rod 23 and the flow hole 626 to allow the liquid to flow from the water inlet channel 61 into the first chamber 624. The liquid in the first chamber 624 flows through the flow hole 626 into the second chamber 625. The liquid in the second chamber 625 flows into the water outlet channel 63, thereby realizing the spraying of the sprayer gun.

[0090] The switch handle 3 has a drive protrusion 35, which movably abuts against the end of the valve core rod 23 extending out of the second opening 622.

[0091] The rotation limiting part 34, the first hinge groove 32, and the clearance groove 33 are arranged sequentially along the length of the switch handle 3; the rotation limiting platform 13, the first hinge seat 11, the second hinge seat 12, and the second opening 622 are arranged sequentially along the length of the handle body 1.

[0092] The foregoing has shown and described the basic principles, main features, and advantages of this technical solution. Those skilled in the art should understand that this technical solution is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this technical solution. Various changes and modifications can be made to this technical solution without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed technical solution. The scope of protection of this technical solution is defined by the appended claims and their equivalents.

[0093] It should be noted that the structures, proportions, and sizes depicted in the accompanying drawings are solely for illustrative purposes and to aid those skilled in the art in understanding and reading the content disclosed herein. They are not intended to limit the implementation of this technical solution and therefore have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, provided they do not affect the effectiveness or purpose of this technical solution, should still fall within the scope of the technical content disclosed herein. Furthermore, the terms used in this specification, such as "upper," "lower," "left," "right," "middle," and "one," are merely for clarity and not intended to limit the scope of implementation of this technical solution. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of the technical solution's implementation.

[0094] It should also be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on the other component or may be connected to an intermediary component. When a component is referred to as being "connected to" another component, it can be directly connected to the other component or indirectly connected to the other component through an intermediary component.

[0095] Furthermore, the use of terms such as "first" and "second" in this application is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed in this application.

Claims

1. A switch handle for a sprayer, characterized in that, include: Handle body (1), which is used to connect the water supply pipe and nozzle of the sprayer; The valve core device (2) is slidably disposed inside the handle body (1), and the end of the valve core device (2) extends movably out of the side wall of the handle body (1). The valve core device (2) is used to control the on / off state and flow rate inside the handle body (1). The switch handle (3) is rotatably connected to the handle body (1), and the side wall of the switch handle (3) moves against the protruding end of the valve core device (2) to drive the valve core device (2) to move to the open state. A locking key (4) is rotatably connected to the handle body (1), and the end of the locking key (4) moves against the switch handle (3). When the switch handle (3) is rotated toward the handle body (1), the locking key (4) is driven to rotate toward the handle body (1), so that the end of the locking key (4) abuts against the switch handle (3), thereby restricting the switch handle (3) from rotating toward the handle body (1).

2. The switch handle of a sprayer according to claim 1, characterized in that: The locking key (4) has a locking part (41) at its front end and a driving part (43) at its front end. The switch handle (3) has an abutment part (31) at its front half. The locking key (4) is rotated by driving the driving part (43), thereby causing the locking part (41) to abut against the abutment part (31) and thus restricting the rotation of the switch handle (3).

3. The switch handle of a sprayer according to claim 2, characterized in that: The locking part (41) has a guide surface (411) and a locking surface (412), and the abutting part (31) has a guide surface (311) and an abutting surface (312). When the locking key (4) is rotated toward the handle body (1), the first guide surface (411) slides on the second guide surface (311), thereby causing the locking surface (412) to move into contact with the abutting surface (312).

4. The switch handle of a sprayer according to claim 2 or 3, characterized in that: The side wall of the handle body (1) is provided with hinge seat one (11) and hinge seat two (12) in sequence along its length direction. The front half of the switch handle (3) is provided with a hinge groove (32), and the side wall of the hinge groove (32) is provided with a hinge hole (321). The hinge seat (11) is placed in the hinge groove (32), and the hinge hole (321) and the hinge seat (11) are hinged by a hinge pin (111). The front half of the switch handle (3) has a clearance groove (33), and the side wall of the clearance groove (33) is provided with a clearance opening (331). The edge of the clearance groove (33) has the abutment part (31). The front half of the locking key (4) is provided with a hinge groove (42), the side wall of the hinge groove (42) is provided with a hinge hole (421) and the locking part (41), the front half of the locking key (4) passes through the relief opening (331) and is movably placed in the relief groove (33), the hinge seat (12) is movably placed in the hinge groove (42), and the hinge hole (421) and the hinge seat (12) are hinged by the hinge pin (121); When the switch handle (3) is rotated toward the handle body (1), the locking key (4) is driven to rotate toward the handle body (1), so that the locking part (41) rotates into the clearance groove (33) and abuts against the abutting part (31).

5. The switch handle of a sprayer according to claim 4, characterized in that: The front end of the switch handle (3) has a rotation limiting part (34), and the side wall of the handle body (1) is provided with a limiting turntable (13). The rotation limiting part (34) abuts against the limiting turntable (13) to restrict the switch handle (3) from rotating in a direction away from the handle body (1).

6. A sprayer switch handle according to claim 1, 2, 3, or 5, characterized in that: A decorative cover (5) is snapped onto the handle body (1). The inner walls of both the front and rear ends of the decorative cover (5) are provided with guide grooves (51) and snap-fit ​​holes (52). The snap-fit ​​holes (52) are located at the bottom of the guide grooves (51), and the guide grooves (51) penetrate the side end of the decorative cover (5). The front and rear ends of the handle body (1) are provided with snap-fit ​​protrusions (14). The snap-fit ​​protrusions (14) slide in the guide groove (51) and are placed in the snap-fit ​​hole (52) to realize the installation of the decorative cover (5) on the handle body (1).

7. The switch handle of a sprayer according to claim 6, characterized in that: Guide protrusions (15) are provided on both the front and rear sides of the handle body (1), and the snap-fit ​​protrusions (14) are provided on the guide protrusions (15). The guide protrusions (15) are slidably placed in the guide groove (51).

8. A sprayer switch handle according to claim 1, 2, 3, 5, or 7, characterized in that: The handle body (1) includes: The valve seat (6) has an inlet channel (61), an installation cavity (62) and an outlet channel (63). The inlet channel (61) is connected to the installation cavity (62) and the installation cavity (62) is connected to the outlet channel (63). The valve core device (2) is provided in the installation cavity (62) and the end of the valve core device (2) extends out of the installation cavity (62) and abuts against the switch handle (3). The handle (7) is threaded to the rear end of the valve seat (6) and is connected to the water inlet channel (61).

9. The switch handle of a sprayer according to claim 8, characterized in that: The mounting cavity (62) has an opening one (621) and an opening two (622) at its two ends respectively. Both opening one (621) and opening two (622) penetrate the interior and exterior of the mounting cavity (62). The mounting cavity (62) has a limiting boss (623). The valve core device (2) includes: The nut (21) is threaded onto the opening (621), and the nut (21) and the opening (621) are sealed by a sealing ring (26); The valve core base (22) is slidably disposed within the mounting cavity (62); The valve core rod (23) is slidably disposed in the mounting cavity (62). One end of the valve core rod (23) is connected to the valve core base (22), and the other end of the valve core rod (23) extends out of the mounting cavity (62) through the second opening (622). The side wall of the valve core rod (23) is sealed with the inner wall of the second opening (622) by the second sealing ring (27). There is a water passage gap (25) between the middle part of the valve core rod (23) and the inner wall of the mounting cavity (62). An elastic element (24) is installed in the mounting cavity (62), and the two ends of the elastic element (24) abut against the nut (21) and the valve core base (22) respectively. The elastic deformation of the elastic element (24) causes the valve core base (22) to abut against the limiting boss (623) and causes the end of the valve core rod (23) to extend out of the mounting cavity (62) through the second opening (622).

10. The switch handle of a sprayer according to claim 9, characterized in that: The switch handle (3) has a drive protrusion (35) that movably abuts against the end of the valve core rod (23) extending out of the second opening (622).

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