A water gun with rotary positioning adjustment

Abstract

The present invention relates to the technical field of water spray guns, and specifically discloses a water spray gun with rotary positioning and adjustment, which includes a gun body, a switch handle rotatably arranged on the gun body, an elastic component is arranged between the switch handle and the gun body, a rotary dial is rotatably arranged on the gun body, the switch handle includes a first limiting part, and the rotary dial is provided with a second limiting part corresponding to the first limiting part. An elastic resetting part is arranged between the rotary dial and the gun body; an installation cavity is formed in the gun body, and the elastic component includes a spring, a pull rod, a stop sleeve fixedly arranged at the end of the pull rod and an auxiliary elastic structure. A sealing end is arranged at the end of the pull rod. The auxiliary elastic structure includes a first elastic component group connecting the inner wall of the installation cavity and a second elastic component group connecting the sealing end. The second elastic component group moving along with the sealing end continuously abuts against the first elastic component group and guides the water flow to flow out. The present invention makes the water flow velocity smoother, increases the water flow velocity and flow rate, and reduces the resistance of water flow.

Description

Technical Field

[0001] The invention relates to the technical field of water spray guns, in particular to a water spray gun capable of rotational positioning adjustment. Background Art

[0002] At present, most car cleaning guns are in the shape of a pistol, and the inner channel of the gun head and the inner channel of the gun handle can be opened and closed to communicate with each other, and the clean water is sprayed out by using the jet principle. In the existing water spray gun, a spring is used to drive the seal to block or conduct the water flow channel, but the spring is set in the installation cavity. If the spring itself is used to adjust the seal, the spring itself needs to be larger in size, which will affect the movement of the water flow, reduce the water flow velocity, and greatly increase the water flow resistance. Summary of the invention

[0003] The purpose of the present invention is to provide a water spray gun with rotational positioning adjustment, in which a spring is used to drive a seal to block or open a water flow channel. However, the spring is arranged in a mounting cavity, and the seal is adjusted by the spring itself, which requires the spring itself to be larger in size, which will affect the movement of the water flow, reduce the water flow velocity, and greatly increase the water flow resistance.

[0004] The above technical objectives of the present invention are achieved through the following technical solutions:

[0005] A water spray gun with rotational positioning adjustment comprises a spray gun body and a switch handle rotatably arranged on the spray gun body, an elastic component is arranged between the switch handle and the spray gun body, a rotating dial is rotatably arranged on the spray gun body, the switch handle comprises a first limiting portion, a second limiting portion is arranged on the rotating dial corresponding to the first limiting portion, the rotating dial can rotate between a holding position and a release position relative to the switch handle, an elastic reset member is arranged between the rotating dial and the spray gun body; the spray gun body is provided with an installation cavity, the elastic component comprises a spring, a pull rod, a stop sleeve fixedly arranged at the end of the pull rod and an auxiliary elastic structure, a sealing end is arranged at the end of the pull rod, the auxiliary elastic structure comprises a first elastic member group connected to the inner wall of the installation cavity and a second elastic member group connected to the sealing end, and the second elastic member group continuously resists the first elastic member group as the sealing end moves and guides water to flow out. The present invention uses the second elastic member group that moves the sealing end to continuously resist the first elastic member group and guide the water to flow out. The first elastic member group and the second elastic member group provide elasticity to limit the movement of the sealing end, which can reduce the size of the spring, further make the water flow smoother, increase the water flow rate and flow rate, and reduce the resistance to the water flow.

[0006] Optionally, the first elastic member group includes a plurality of first elastic members, the first elastic members are connected to the inner wall of the installation cavity via a first connecting rod, and an abutment ring is provided at the end of the first elastic member.

[0007] Optionally, a chute is provided on one side of the installation cavity close to the sealing end. The second elastic member group includes a second elastic member, a second connecting rod, and a third connecting rod. The second connecting rod is connected to the outer edge of the sealing end. A sliding rod is installed at the bottom of the chute, and the second connecting rod and the third connecting rod are respectively connected to both sides of the sliding rod; after being bent, the first elastic member abuts against the second elastic member through the abutting ring.

[0008] Optionally, the second elastic member adopts a funnel-shaped structure, and the middle part of the second elastic member arches inwards. When the sealing end of the present invention moves, it drives the sliding rod to move, thereby driving the second elastic member to move towards the first elastic member. The first elastic member pushes the second elastic member completely, and the two form a funnel-shaped flow guiding channel. According to Bernoulli's principle, this increases the flow velocity and flow rate of the water and reduces the resistance of the water flow.

[0009] Optionally, the first elastic member is an arched elastic sheet, and the second elastic member adopts a plurality of arched elastic sheets, and the middle parts of the elastic sheets arch inwards.

[0010] Optionally, the projections of multiple groups of first elastic members and multiple groups of second elastic members on the cross-section in the radial direction of the installation cavity are alternately staggered in sequence. In the present invention, since the projections of multiple groups of first elastic members and multiple groups of second elastic members on the cross-section in the radial direction of the installation cavity are alternately staggered in sequence, the flow velocity and flow rate of the water are greater.

[0011] Optionally, the elastic reset member always has a movement tendency to drive the rotary dial to reset to the release position. The present invention adopts the above technical solution. When the rotary dial is in the holding position, the elastic reset member is compressed to accumulate elastic potential energy. By pressing the switch handle to rotate toward the open state, the elastic reset member releases the elastic potential energy, so that the elastic reset member automatically resets to the release position, thereby eliminating the step of manually resetting the rotary dial, thereby improving the convenience of use of the present invention. The present invention adopts the above technical solution. In the initial state, the rotary dial is in the release position relative to the spray gun body. At this time, the elastic component drives the switch handle to be in the closed state. By holding the spray gun body with one hand and pressing the switch handle at the same time to switch it from the closed state to the open state, the thumb is used to turn the rotary dial to rotate it from the release position to the holding position, so that the second limit portion of the rotary dial is aligned with the first limit portion of the switch handle, and the compressive stress on the switch handle is released. The elastic component uses its own elastic force to drive the switch handle to move toward the closed state, so that the first limit portion and the second limit portion are stopped and positioned. At this time, the switch handle The handle cannot continue to reset toward the closed state, so that the switch handle is positioned in the open position. When the switch handle needs to be closed, the switch handle can be pressed to rotate toward the open state, and the first limit portion and the second limit portion are separated from each other. The thumb is used to turn the rotary dial from the holding position to the release position. At this time, the first limit portion and the second limit portion are in an avoidance state, and the elastic component can drive the switch handle to reset to the closed state. The rotary dial of the present invention can be controlled by one hand with the thumb, which has the effect of improving controllability through one-hand operation and being able to lock and position the switch handle to keep it in the open state.

[0012] Optionally, the elastic reset member is a torsion spring, which is installed in the installation cavity and the spray gun body and the rotating dial are provided with limiting grooves corresponding to the pins at both ends of the torsion spring, and the pins at both ends of the torsion spring are restricted in the corresponding limiting grooves.

[0013] By adopting the above technical solution, the two pins of the torsion spring can only rotate in the limiting grooves corresponding to the spray gun body and the rotating dial. When the pin on one side of the limiting groove is rotated to the other side, the stopping effect of the pin and the side wall of the limiting groove can be utilized to limit the rotation angle of the rotating dial.

[0014] Optionally, the switch handle is rotatably disposed on the spray gun body through a rotating shaft, and the switch handle includes a driving end and an execution end located at both ends of the rotating shaft, the first limiting portion is disposed at the execution end, and the second limiting portion is symmetrically disposed on both sides of the rotating dial, and the second limiting portion is extended toward the execution end.

[0015] By adopting the above technical solution, the present invention can drive the execution end at the other end of the shaft to rotate by pressing the driving end, and the symmetrically arranged second limit part can make it possible to control the rotation of the rotary dial with one hand regardless of using the left hand or the right hand, thereby improving the applicability of the present invention.

[0016] Optionally, the side portions of the second limiting portions on both sides are arranged to extend outward along the axial direction of the rotating dial, and a circular arc transition is formed between the rotating dial and the second limiting portion; the abutment surface between the first limiting portion and the second limiting portion is set as a plane, and when the switch handle is in an open state and the rotating dial is rotated to a holding position, the abutment surface of the first limiting portion is in parallel contact with the abutment surface of the second limiting portion.

[0017] By adopting the above technical solution, the present invention can increase the feel of the second limiting part when being moved. By adopting the above technical solution, the present invention can increase the contact area between the first limiting part and the second limiting part in a plane arrangement, thereby improving the contact stability between the two.

[0018] Optionally, the execution end also includes a third limiting portion adjacent to the first limiting portion, the abutment surface between the third limiting portion and the rotating dial is set to a plane, and the abutment surface of the first limiting portion is inclined relative to the abutment surface of the third limiting portion, and when the rotating dial is rotated to the release position, the abutment surface of the third limiting portion is in parallel contact with the abutment surface of the rotating dial; the rotating dial is provided with a protruding positioning block between the second limiting portions on both sides, and the switch handle is provided with a positioning groove corresponding to the positioning block, and when the rotating dial is in the release position, the positioning block is positioned and matched with the positioning groove.

[0019] By adopting the above technical scheme, the present invention can achieve an effective avoidance effect by using the inclined abutment surface of the end face of the third limiting portion during the rotation of the switch handle relative to the spray gun body, and the abutment surface of the third limiting portion is arranged as a plane. When the rotating dial is rotated to the holding position, the abutment surfaces arranged parallel to each other between the third limiting portion and the rotating dial can be used to press against each other, thereby improving the abutment firmness between the two.

[0020] The present invention can prevent the rotary dial in the release position from accidentally rotating by adopting the above technical solution.

[0021] Optionally, the elastic component includes a spring, a pull rod, and a stop sleeve fixed to the end of the pull rod, and the spring pushes the pull rod to pull the stop sleeve to move, so that the stop sleeve pushes the execution end toward the rotating dial.

[0022] Optionally, a through hole is formed in the actuator end, the pull rod movably passes through the through hole, the spring and the stop sleeve are respectively arranged on both sides of the actuator end, and an activity gap is left between the side wall of the through hole and the pull rod. The actuator end is symmetrically provided with arc-shaped sliding parts on both sides of the through hole. When the switch handle rotates and switches between the holding position and the releasing position relative to the spray gun body, the switch handle is in sliding fit with the stop sleeve through the arc-shaped sliding parts.

[0023] By adopting the above technical solution, the present invention is beneficial to effectively avoid the switch handle through the activity gap when the switch handle rotates and switches between the holding position and the releasing position relative to the spray gun body. At the same time, by using the sliding fit between the arc-shaped sliding part and the stop sleeve, it can effectively prevent the switch handle from jamming when rotating.

[0024] Beneficial effects:

[0025] In the present invention, the second elastic member group for the movement of the sealing end continuously abuts against the first elastic member group and guides the water flow out. The first elastic member group and the second elastic member group provide the elasticity for restricting the movement of the sealing end. It can reduce the size of the spring, further make the water flow velocity smoother, increase the water flow velocity and flow rate, and reduce the resistance of the water flow.

[0026] The movement of the sealing end of the present invention drives the movement of the sliding rod, drives the second elastic member to move towards the first elastic member, and the first elastic member pushes the second elastic member to bend. The two form a funnel-shaped diversion channel. According to Bernoulli's principle, it increases the water flow velocity and flow rate and reduces the resistance of the water flow.

[0027] Since the present invention makes the projections of multiple groups of first elastic members and multiple groups of second elastic members stagger alternately in the radial cross-section of the installation cavity, the water flow velocity and flow rate are greater.

[0028] The present invention rotatably arranges a rotary dial and a switch handle on a spray gun body, the rotary dial is located between the spray gun body and the switch handle, and the spray gun body and the switch handle are elastically connected via an elastic component, a torsion spring is arranged between the rotary dial and the spray gun body, and in an initial state, the rotary dial is in a released position relative to the spray gun body, at which time the elastic component drives the switch handle to be in a closed state, the spray gun body is held with one hand and the switch handle is pressed to switch it from the closed state to the open state, and then the rotary dial is toggled by the thumb to rotate it from the released position to the held position, so that the second limiting portion of the rotary dial is aligned with the first limiting portion of the switch handle, at which time the torsion spring is compressed, and then The compressive stress on the switch handle is released, and the elastic component uses its own elastic force to drive the switch handle to move toward the closed state, so that the first limit part and the second limit part are stopped and positioned. At this time, the switch handle cannot continue to move back to the closed state, so that the switch handle is positioned in the open position. When the switch handle needs to be closed, it can be pressed to rotate it toward the open state, and the first limit part and the second limit part are separated from each other. The elastic force of the torsion spring in the compressed state is used to drive the rotary dial to automatically rotate from the holding position to the release position. At this time, the first limit part and the second limit part are in the avoidance state, and the elastic component can drive the switch handle to return to the closed state.

[0029] The rotary dial of the present invention can be controlled by one hand through the thumb, has the effects of improving the manipulability through one-hand operation, and can lock and position the switch handle to keep it in an open state. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is a three-dimensional structural diagram of embodiment 1 of the present invention, in which the rotary dial is in a holding position;

[0031] Figure 2 Embodiment 1 of the present invention Figure 1 A longitudinal cross-sectional view of

[0032] Figure 3 An exploded view of Example 1 of the present invention;

[0033] Figure 4 An exploded view of another perspective of Example 1 of the present invention;

[0034] Figure 5 is a structural diagram of Embodiment 1 of the present invention, with the rotary dial in a released position;

[0035] Figure 6 Embodiment 1 of the present invention Figure 2 A partial enlarged view of part A.

[0036] In the figure: 1. Spray gun body; 10. Limit groove; 11. Installation cavity; 12. Rotating shaft; 2. Switch handle; 21. Driving end; 22. Execution end; 220. Positioning groove; 221. First limiting part; 222. Third limiting part; 223. Through hole; 224. Arc-shaped sliding part; 3. Elastic component; 31. Spring; 32. Pull rod; 33. Stop sleeve; 34. Auxiliary elastic structure; 35. Sealing end; 36. First elastic component group; 361. First elastic component; 362. First connecting rod; 363. Contact ring; 37. Second elastic component group; 371. Second elastic component; 372. Second connecting rod; 373. Third connecting rod; 374. Slide bar; 38. Slide groove; 4. Rotating dial; 41. Second limiting part; 42. Positioning block; 5. Elastic reset component; 51. Pin. Detailed implementation manners

[0037] Combined with the drawings and embodiments, the detailed implementation manners of the present invention will be further described in detail. The following examples are used to illustrate the present invention, but are not used to limit the scope of the present invention.

[0038] In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, a direct connection, or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0039] Embodiment 1

[0040] The present invention discloses a water spray gun with rotary positioning adjustment, as Figure 1 、 Figure 2As shown, it includes a spray gun body 1, a switch handle 2 rotatably arranged on the spray gun body 1, an elastic component 3 is arranged between the switch handle 2 and the spray gun body 1, and the elastic component 3 always has a tendency to drive the switch handle 2 to move in the closing direction, a rotating dial 4 is rotatably arranged on the spray gun body 1, the switch handle 2 includes a first limiting portion 221, and the rotating dial 4 is provided with a second limiting portion 41 at a position corresponding to the first limiting portion 221, and the rotating dial 4 can rotate between a holding position and a release position relative to the switch handle 2. An elastic reset member 5 is arranged between the rotating dial 4 and the spray gun body 1; and the spray gun body 1 is provided with a mounting cavity 11. The elastic reset member 5 always has a movement tendency to drive the rotating dial 4 to reset to the release position. When the rotating dial 4 is in the holding position, the elastic reset member 5 is compressed to accumulate elastic potential energy, and the switch handle 2 is pressed to rotate toward the open state. At this time, the elastic reset member 5 is used to release the elastic potential energy, so that the elastic reset member 5 automatically resets to the release position, and the step of manually resetting the rotating dial 4 can be removed.

[0041] like Figure 3 , Figure 4 As shown, the elastic component 3 includes a spring 31, a pull rod 32, a stopper sleeve 33 fixed to the end of the pull rod 32, and an auxiliary elastic structure 34. The end of the pull rod 32 is provided with a sealing end 35. The auxiliary elastic structure 34 includes a first elastic member group 36 connected to the inner wall of the installation cavity 11 and a second elastic member group 37 connected to the sealing end 35. As the sealing end 35 moves, the second elastic member group 37 continuously resists the first elastic member group 36 and guides the water to flow out. The first elastic member group 36 includes multiple groups of first elastic members 361, which are connected to the inner wall of the installation cavity 11 through a first connecting rod 362, and a resisting ring 363 is installed at the end of the first elastic member 361. A slide groove 38 is provided on one side of the installation cavity 11 close to the sealing end head 35, and the second elastic member group 37 includes a second elastic member 371, a second connecting rod 372 and a third connecting rod 373, the second connecting rod 372 is connected to the outer edge of the sealing end head 35, and a slide rod 374 is installed at the bottom of the slide groove 38, and the second connecting rod 372 and the third connecting rod 373 are respectively connected to the two sides of the slide rod 374; after the first elastic member 361 is bent, it contacts the second elastic member 371 through the contact ring 363.

[0042] like Figure 6 As shown, in one embodiment, the first elastic member 361 is an arched elastic sheet, and the second elastic member 371 adopts a plurality of arched elastic sheets, and the middle part of the elastic sheet is arched inward. The projections of the plurality of first elastic members 361 and the plurality of second elastic members 371 on the radial cross section of the installation cavity are alternately staggered in sequence. In another embodiment, the second elastic member 371 can also adopt a bucket-shaped structure, where the bucket-shaped structure is integrally formed, and the middle part of the second elastic member 371 is arched inward.

[0043] As shown Figure 4 in the figure, the elastic reset member 5 is a torsion spring. The spray gun body 1 is provided with an installation cavity 11. The torsion spring is installed in the installation cavity 11. The spray gun body 1 and the rotary dial 4 are provided with limit slots 10 corresponding to the pins 51 at both ends of the torsion spring. The pins at both ends of the torsion spring are restricted in the corresponding limit slots 10. The two pins of the torsion spring can only rotate in the limit slots 10 corresponding to the spray gun body 1 and the rotary dial 4. When the pin on one side of the limit slot 10 rotates to the other side position, the rotation angle of the rotary dial 4 can be limited by the stop action of the pin and the side wall of the limit slot 10. The switch handle 2 is rotatably arranged on the spray gun body 1 through a rotating shaft 12. The switch handle 2 includes a driving end 21 and an execution end 22 located at both ends of the rotating shaft 12. A first limiting portion 221 is arranged on the execution end 22. Second limiting portions 41 are symmetrically arranged on both sides of the rotary dial 4, and the second limiting portions 41 extend towards the execution end 22. Pressing the driving end 21 can drive the execution end 22 at the other end of the rotating shaft to rotate. The symmetrically arranged second limiting portions 41; the side portions of the second limiting portions 41 on both sides extend axially outwards along the rotary dial 4, and there is an arc transition between the rotary dial 4 and the second limiting portions 41, which can increase the dialing feel of the second limiting portions 41.

[0044] As shown Figure 4 in the figure, the contact surface between the first limiting portion 221 and the second limiting portion 41 is a plane. When the switch handle 2 is in the open state and the rotary dial 4 rotates to the holding position, the contact surface of the first limiting portion 221 is in parallel contact with the contact surface of the second limiting portion 41. The plane setting method can increase the contact area between the first limiting portion 221 and the second limiting portion 41, thereby improving the contact stability between the two; the execution end 22 further includes a third limiting portion 222 adjacent to the first limiting portion 221. The contact surface between the third limiting portion 222 and the rotary dial 4 is a plane, and the contact surface of the first limiting portion 221 is inclined relative to the contact surface of the third limiting portion 222. When the rotary dial 4 rotates to the release position, the contact surface of the third limiting portion 222 is in parallel contact with the contact surface of the rotary dial 4. During the process of the switch handle 2 rotating relative to the spray gun body 1, the inclined contact surface of the end face of the third limiting portion 222 can play an effective avoidance effect, and the contact surface of the third limiting portion 222 is a plane. When the rotary dial 4 rotates to the holding position, the parallel contact surfaces between the third limiting portion 222 and the rotary dial 4 can be used to press tightly against each other, improving the contact firmness between the two; a positioning block 42 is convexly provided between the two second limiting portions 41 of the rotary dial 4. The switch handle 2 is provided with a positioning groove 220 corresponding to the positioning block 42. When the rotary dial 4 is in the release position, the positioning block 42 and the positioning groove 220 are in positioning cooperation, which can prevent the rotary dial 4 in the release position from accidentally rotating.

[0045] As shown Figure 5As shown, the spring 31 pushes the pull rod 32 to pull the stop sleeve 33 to move, so that the stop sleeve 33 pushes the execution end 22 towards the rotary dial 4; a through hole 223 is provided in the execution end 22, and the pull rod 32 is movably inserted through the through hole 223. The spring 31 and the stop sleeve 33 are respectively arranged on both sides of the execution end 22, and there is a moving gap between the side wall of the through hole 223 and the pull rod 32. Arc-shaped sliding parts 224 are symmetrically arranged on both sides of the through hole 223 of the execution end 22. When the switch handle 2 rotates and switches between the holding position and the release position relative to the spray gun body 1, the switch handle 2 is in sliding fit with the stop sleeve 33 through the arc-shaped sliding parts 224, which is beneficial to improving the effective avoidance of the switch handle 2 through the moving gap when the switch handle 2 flips and switches between the holding position and the release position relative to the spray gun body 1. At the same time, by using the sliding fit between the arc-shaped sliding parts 224 and the stop sleeve 33, the situation of jamming of the switch handle 2 during rotation can be effectively prevented.

[0046] When this embodiment is implemented, the second elastic member group 37 of the sealing end 35's movement continuously abuts against the first elastic member group 36 and guides the water flow out. The first elastic member group 36 and the second elastic member group 37 provide the elasticity to limit the movement of the sealing end 35, which can reduce the size of the spring, further make the water flow velocity smoother, increase the water flow velocity and flow rate, and reduce the resistance of the water flow. Among them, when the sealing end 35 moves, it drives the sliding rod 374 to move, and then drives the second elastic member 371 to move towards the first elastic member 361. The first elastic member 361 pushes the second elastic member 371 to bend, and the two form a funnel-shaped diversion channel. According to Bernoulli's principle, it increases the water flow velocity and flow rate and reduces the resistance of the water flow.

[0047] When the switch handle 2 is in the open state and the rotary dial 4 is rotated to the holding position, the first limit portion 221 and the second limit portion 41 are limited and stopped, and when the rotary dial 4 is rotated to the release position, the first limit portion 221 and the second limit portion 41 are avoided and matched, and the elastic component 3 drives the switch handle 2 to return to the closed state. As the second elastic member group 37 moves with the sealing end 35, it continuously resists the first elastic member group 36 and guides the water to flow out. A rotary dial 4 and a switch handle 2 are rotatably arranged on the spray gun body 1, and the rotary dial 4 is located between the spray gun body 1 and the switch handle 2. In addition, the spray gun body 1 and the switch handle 2 are elastically connected via an elastic component 3. A torsion spring is arranged between the rotary dial 4 and the spray gun body 1. In the initial state, the rotary dial 4 is in a released position relative to the spray gun body 1. At this time, the elastic component 3 drives the switch handle 2 to be in a closed state. The spray gun body 1 is held with one hand and the switch handle 2 is pressed at the same time to switch it from the closed state to the open state. Then, the rotary dial 4 is turned by the thumb to rotate it from the released position to the held position, so that the second limit portion 41 of the rotary dial 4 is aligned with the first limit portion 221 of the switch handle. At this time, the torsion spring is compressed, and then the compressive stress on the switch handle 2 is released. The elastic component 3 drives the switch handle 2 toward the spray gun body 1 by its own elastic force. The switch handle 2 moves to the closed state, so that the first limit portion 221 and the second limit portion 41 are stopped and positioned. At this time, the switch handle 2 cannot continue to move back to the closed state, so that the switch handle 2 is positioned in the open position. When the switch handle 2 needs to be closed, it can be pressed to rotate it toward the open state, and the first limit portion 221 and the second limit portion 41 are separated from each other. The elastic force of the torsion spring in the compressed state is used to drive the rotary dial 4 to automatically rotate from the holding position to the release position. At this time, the first limit portion 221 and the second limit portion 41 are in the avoidance state, and the elastic component 3 can drive the switch handle 2 to reset to the closed state. The rotary dial 4 of the present invention can be controlled by one hand by the thumb, which has the effect of improving the operability through one-hand operation and being able to lock and position the switch handle 2 to keep it in the open state.

[0048] The above description is only a preferred embodiment of the present invention, and does not limit the patent protection scope of the present invention. Any equivalent structural transformation made by using the contents of the present invention and the drawings, directly or indirectly used in other related technical fields, is also included in the protection scope of the present invention.

Claims

1. A water spray gun with rotational positioning adjustment, characterized in that: The invention comprises a spray gun body (1), a switch handle (2) rotatably arranged on the spray gun body (1), an elastic component (3) being arranged between the switch handle (2) and the spray gun body (1), a rotating dial (4) being rotatably arranged on the spray gun body (1), the switch handle (2) comprising a first limiting portion (221), the rotating dial (4) being provided with a second limiting portion (41) at a position corresponding to the first limiting portion (221), the rotating dial (4) being rotatable between a holding position and a releasing position relative to the switch handle (2), and the rotating dial (4) An elastic reset member (5) is provided between the spray gun body (1); the spray gun body (1) is provided with a mounting cavity (11); the elastic component (3) comprises a spring (31), a pull rod (32), a stop sleeve (33) fixed to the end of the pull rod (32) and an auxiliary elastic structure (34); a sealing end (35) is provided at the end of the pull rod (32); the auxiliary elastic structure (34) comprises a first elastic member group (36) connected to the inner wall of the mounting cavity and a second elastic member group (37) connected to the sealing end (35); and a second elastic member group (37) connected to the sealing end (35) as the sealing end (35) moves. The second elastic member group (37) continuously contacts the first elastic member group (36) and guides the water to flow out; the first elastic member group (36) includes a plurality of first elastic members (361), the first elastic members (361) are connected to the inner wall of the installation cavity (11) via a first connecting rod (362), and a contact ring (363) is provided at the end of the first elastic member (361); a sliding groove (38) is provided on one side of the installation cavity (11) close to the sealing end head (35), and the second elastic member group (37) includes a second elastic member (371), a second connecting rod (372) and a first elastic member (371). The first elastic member (361) is provided with three connecting rods (373), the second connecting rod (372) is connected to the outer edge of the sealing end (35), the bottom of the slide groove (38) is provided with a slide rod (374), the second connecting rod (372) and the third connecting rod (373) are respectively connected to two sides of the slide rod (374); the first elastic member (361) is bent to contact the second elastic member (371) through the contact ring (363); the first elastic member (361) is an arched elastic sheet, and the second elastic member (371) is provided with a plurality of arched elastic sheets, the middle part of the elastic sheet is arched inward.

2. A water spray gun with rotational positioning adjustment according to claim 1, characterized in that: The projections of the plurality of groups of first elastic members (361) and the plurality of groups of second elastic members (371) on the radial cross section of the installation cavity (11) are alternately staggered in sequence.

3. A water spray gun with rotational positioning adjustment according to claim 1 or 2, characterized in that: The elastic return member (5) is a torsion spring installed in the installation cavity (11), and the spray gun body (1) and the rotary dial (4) are provided with limiting grooves (10) at positions corresponding to the pins (51) at both ends of the torsion spring, and the pins (51) at both ends of the torsion spring are limited in the corresponding limiting grooves (10).

4. A water spray gun with rotational positioning adjustment according to claim 1 or 2, characterized in that: The switch handle (2) is rotatably arranged on the spray gun body (1) via a rotating shaft (12); the switch handle (2) comprises a driving end (21) and an execution end (22) located at two ends of the rotating shaft (12); the first limiting portion (221) is arranged at the execution end (22); the second limiting portion (41) is symmetrically arranged at two sides of the rotating dial (4), and the second limiting portion (41) is extended toward the execution end (22).

5. A water spray gun with rotational positioning adjustment according to claim 4, characterized in that: The side portions of the second limiting portions (41) on both sides are arranged to extend outwardly along the axial direction of the rotating dial (4), and a circular arc transition is formed between the rotating dial (4) and the second limiting portion (41); the abutting surface between the first limiting portion (221) and the second limiting portion (41) is set as a plane, and when the switch handle (2) is in an open state and the rotating dial (4) is rotated to a holding position, the abutting surface of the first limiting portion (221) is in parallel contact with the abutting surface of the second limiting portion (41).

6. A water spray gun with rotational positioning adjustment according to claim 5, characterized in that: The execution end (22) further comprises a third limiting portion (222) adjacent to the first limiting portion (221); the contact surface between the third limiting portion (222) and the rotating dial (4) is set as a plane, and the contact surface of the first limiting portion (221) is inclined relative to the contact surface of the third limiting portion (222); when the rotating dial (4) is rotated to the release position, the contact surface of the third limiting portion (222) is in parallel contact with the contact surface of the rotating dial (4); the rotating dial (4) is provided with a positioning block (42) between the second limiting portions (41) on both sides; the switch handle (2) is provided with a positioning groove (220) corresponding to the positioning block (42); when the rotating dial (4) is in the release position, the positioning block (42) is positioned and matched with the positioning groove (220).

Images