Spray gun width adjusting structure

Abstract

The utility model discloses a width adjusting structure of a spray gun, and relates to the technical field of spray gun accessories. Comprising a width adjusting mechanism, the width adjusting mechanism is arranged in a spray gun main body, and the width adjusting mechanism comprises a width adjusting rotating seat, a width adjusting fixing seat, a spraying plate and a width adjusting knob. The width adjusting rotary base can be driven to rotate by rotating the width adjusting knob at the top of the spray gun body and meshing of the gear and the shifting teeth, the spraying width range is adjusted, spraying pollution is avoided in the process, meshing precision of the gear and the shifting teeth is high, adjustment of the spraying width range is more easily and finely controlled, and the use requirement of a user is met; the limiting groove is arranged and used in cooperation with the limiting block and used for limiting the rotating angle of the width adjusting rotating seat, so that the spraying width can be just adjusted from the maximum to the minimum or from the minimum to the maximum in the rotating range of the width adjusting rotating seat, redundant rotation is avoided, and operation is more convenient and faster.

Description

TECHNICAL FIELD

[0001] The utility model relates to spray gun accessory technical field, concretely is a spray gun width adjustment structure. BACKGROUND

[0002] Spray gun is a kind of equipment using liquid or compressed air as power, and it is divided into two kinds of general pressure type and pressurized type. Spray gun also includes pressure type spray gun, calo type spray gun, automatic recovery type spray gun, etc.

[0003] When the existing spray gun spray width adjustment on market, user's hand is easily contaminated by spray, which causes serious trouble to user, and the use effect is not ideal. INVENTION CONTENTS

[0004] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a spray gun width adjustment structure, including width adjustment mechanism, the width adjustment mechanism is arranged in the inside of spray gun main part, the width adjustment mechanism includes width adjustment rotating seat, width adjustment fixed seat, spray plate and width adjustment knob, the inside of width adjustment rotating seat is provided with a plurality of annularly distributed width adjustment holes one, the width adjustment fixed seat is located at one side of width adjustment rotating seat, the inside of width adjustment fixed seat is provided with the width adjustment hole two that is consistent with the number of width adjustment hole one and one-to-one correspondence, the spray plate is located at one side of width adjustment fixed seat, one side of the spray plate is provided with the width adjustment exhaust hole that is communicated with width adjustment hole two and the number is not less than one;

[0005] The width adjustment knob is rotationally arranged in the inside of spray gun main part, the bottom of width adjustment knob is provided with gear, at least a group of the gear engaging of the pawl is arranged on the side, away from width adjustment fixed seat, of width adjustment rotating seat, so that when the width adjustment knob is rotated, the width adjustment knob drives width adjustment rotating seat to rotate, and the offset amplitude of width adjustment hole one relative to width adjustment hole two is adjusted.

[0006] As a preferred technical scheme of the utility model, the inside of width adjustment rotating seat is fixedly provided with air inlet hole, the inside of width adjustment fixed seat is provided with spray head and air outlet hole located at the outer ring of spray head, and the air outlet hole is communicated with air inlet hole.

[0007] As a preferred technical scheme of the utility model, the width adjustment hole two is located at the outside of air outlet hole, and sealing cavity is arranged between adjacent two width adjustment hole two.

[0008] As a preferred technical scheme of the utility model, the spray head extends to the inside of the spray plate from the end away from the width adjustment fixing seat, two width adjustment seats are symmetrically arranged on one side of the spray plate, and the width adjustment exhaust hole is arranged in the inside of the width adjustment seat.

[0009] As a preferred technical scheme of the utility model, the spray plate is provided with a ring of air inlet cavities on the side away from the width adjustment seat, a plurality of width adjustment holes two are in communication with the air inlet cavities, and the width adjustment exhaust hole is in communication with the width adjustment hole two through the air inlet cavities.

[0010] As a preferred technical scheme of the utility model, the surface of the width adjustment rotating seat is symmetrically provided with two limiting grooves, and the inside of the threaded head of the spray gun body is provided with two limiting blocks that are movably connected with the two limiting grooves.

[0011] As a preferred technical scheme of the utility model, the top of the width adjustment knob extends to the top of the spray gun body, and the top of the width adjustment knob is provided with a ring of anti-skid protrusions.

[0012] As a preferred technical scheme of the utility model, the inside of the spray gun body is provided with a conveying cavity, the inside of the conveying cavity is provided with an adjusting rod, one end of the adjusting rod extends to the inside of the spray head, and the inside of the spray gun body is further provided with a water suction pipe that is in communication with the conveying cavity.

[0013] As a preferred technical scheme of the utility model, the width adjustment fixing seat is arranged at one end of the threaded head, a threaded cover for pressing the width adjustment fixing seat and the spray plate is threadedly sleeved on the outside of the threaded head, a threaded seat is arranged at the bottom of the spray gun body, a material barrel that is in communication with the water suction pipe is threadedly sleeved in the inside of the threaded seat.

[0014] As a preferred technical scheme of the utility model, the end away from the threaded head of the spray gun body is movably connected with a host computer, the bottom of the host computer is provided with a handle, the bottom of the handle is provided with a power line, and a spray gun switch for driving the adjusting rod is further arranged on the spray gun body.

[0015] Compared with the prior art, the utility model provides a spray gun width adjustment structure, which has the following advantages

[0016] Beneficial effects:

[0017] The spray gun width adjusting structure, by rotating the width adjusting knob at the top of the spray gun body, through the meshing of the gear and the gear tooth, the width adjusting rotating seat can be driven to rotate, the spray width range is adjusted, the process will not be polluted by the spray, and the meshing precision of the gear and the gear tooth is high, the spray width range is more easily controlled, the user's use requirement is met, the limiting slot is arranged, the limiting block is used, the rotating angle of the width adjusting rotating seat is limited, the rotating range of the width adjusting rotating seat is just adjusted from the maximum to the minimum, or from the minimum to the maximum, and the redundant rotation does not occur, and the operation is more convenient and fast. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A structure diagram of a spray gun width adjusting structure is provided for the utility model;

[0019] Figure 2 A width adjusting mechanism structure explosion drawing of a spray gun width adjusting structure is provided for the utility model;

[0020] Figure 3 A width adjusting mechanism structure explosion drawing of a spray gun width adjusting structure is provided for the utility model;

[0021] Figure 4 A width adjusting rotating seat and a width adjusting fixed seat structure diagram of a spray gun width adjusting structure is provided for the utility model;

[0022] Figure 5 A width adjusting rotating seat and a width adjusting fixed seat structure side view of a spray gun width adjusting structure is provided for the utility model;

[0023] Figure 6 A width adjusting mechanism structure section view of a spray gun width adjusting structure is provided for the utility model;

[0024] Figure 7 A width adjusting mechanism structure section view of a spray gun width adjusting structure is provided for the utility model;

[0025] Figure 8 A spray gun body structure section view of a spray gun width adjusting structure is provided for the utility model.

[0026] In the figure: 1, width adjustment mechanism; 11, width adjustment rotating seat; 111, air inlet hole; 112, width adjustment hole one; 113, gear tooth; 114, limiting groove; 12, width adjustment fixed seat; 121, spray head; 122, air outlet hole; 123, width adjustment hole two; 124, sealing cavity; 13, spray plate; 131, width adjustment seat; 132, width adjustment exhaust hole; 133, air inlet cavity; 14, width adjustment knob; 141, gear; 142, anti-skid protrusion; 2, spray gun body; 21, threaded head; 22, limiting block; 23, threaded cover; 24, main machine; 25, handle; 251, power cord; 26, threaded seat; 27, material bucket; 28, spray gun switch; 29, conveying cavity; 291, adjusting rod; 292, water suction pipe. DETAILED DESCRIPTION

[0027] In order to enable a more detailed understanding of the features and technical content of the embodiments of the present disclosure, the implementation of the embodiments of the present disclosure is described in detail below, and the attached drawings are only used for reference and do not limit the embodiments of the present disclosure. In the following technical description, in order to facilitate explanation, through multiple details, a sufficient understanding of the disclosed embodiments is provided. However, one or more embodiments can still be implemented without these details. In other cases, in order to simplify the drawings, well-known structures and devices can be simplified.

[0028] The terms "first", "second", and the like in the specification and claims of the embodiments of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present disclosure described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion.

[0029] In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "back", and the like indicate the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the embodiments of the present disclosure and its embodiments, and are not used to limit the indicated devices, elements or components must have a specific orientation, or be constructed and operated in a specific orientation. And, in addition to indicating the orientation or positional relationship, the above-mentioned terms can also be used to represent other meanings, for example, the term "upper" can also be used to represent a certain attachment relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0030] In addition, the terms "set", "connected", and "fixed" should be interpreted broadly. For example, "connected" can be fixed connection, detachable connection, or integral configuration; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through an intermediate medium, or internal communication between two devices, elements, or components. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of the present disclosure according to the specific circumstances.

[0031] Unless otherwise specified, the term "a plurality of" means two or more.

[0032] It should be noted that the embodiments in the embodiments of the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0033] Please refer to Figures 1-8 A spray gun width adjustment structure, comprising a width adjustment mechanism 1, which is arranged in the interior of a spray gun body 2, the width adjustment mechanism 1 comprising a width adjustment rotating seat 11, a width adjustment fixed seat 12, a spray plate 13, and a width adjustment knob 14, the interior of the width adjustment rotating seat 11 is provided with a plurality of annularly distributed width adjustment holes one 112, the width adjustment fixed seat 12 is located on one side of the width adjustment rotating seat 11, the interior of the width adjustment fixed seat 12 is provided with width adjustment holes two 123 consistent in number and one-to-one corresponding to the width adjustment holes one 112, the spray plate 13 is located on one side of the width adjustment fixed seat 12, one side of the spray plate 13 is provided with width adjustment exhaust holes 132 in communication with the width adjustment holes two 123 and not less than one in number.

[0034] The width adjustment knob 14 is arranged in the interior of the spray gun body 2, the bottom of the width adjustment knob 14 is provided with a gear 141, at least one set of ratchets 113 engaged with the gear 141 is arranged on the side of the width adjustment rotating seat 11 away from the width adjustment fixed seat 12, so that when the width adjustment knob 14 is rotated, the width adjustment knob 14 drives the width adjustment rotating seat 11 to rotate, and the offset amplitude of the width adjustment holes one 112 relative to the width adjustment holes two 123 is adjusted.

[0035] As a specific technical solution of the present embodiment, the interior of the width adjustment rotating seat 11 is fixedly provided with an air inlet hole 111, the interior of the width adjustment fixed seat 12 is provided with a spray head 121 and an air outlet hole 122 located outside the spray head 121, the air outlet hole 122 is in communication with the air inlet hole 111.

[0036] In the embodiment, the gas blown by the host 24 at one end of the spray gun body 2 enters the inside of the spray head 121 through the air inlet hole 111 and the air outlet hole 122, and the air passage composed of the air inlet hole 111 and the air outlet hole 122 is used to disperse the liquid sprayed from the spray head 121 into mist and then spray it out, so as to realize the atomization of the liquid and improve the spraying effect.

[0037] As a specific technical solution of the embodiment, the wide-width adjustment hole two 123 is located outside the air outlet hole 122, and a sealing cavity 124 is arranged between two adjacent wide-width adjustment hole twos 123.

[0038] In the embodiment, the sealing cavity 124 blocks the space between two adjacent wide-width adjustment hole twos 123, avoids the air leakage, improves the sealing performance between the wide-width adjustment hole two 123 and the air outlet hole 122, and prevents the air in the wide-width adjustment hole two and the air outlet hole 122 from flowing into each other, thereby improving the spraying effect, the wide-width adjustment effect and the stability.

[0039] As a specific technical solution of the embodiment, the spray head 121 extends to the inside of the spray plate 13 at the end away from the wide-width adjustment fixed seat 12, two wide-width adjustment seats 131 are symmetrically arranged on one side of the spray plate 13, and the wide-width adjustment exhaust hole 132 is arranged in the inside of the wide-width adjustment seat 131.

[0040] In the embodiment, the wide-width adjustment exhaust hole 132 in the inside of the wide-width adjustment seat 131 discharges air to adjust the width of the sprayed liquid. When the wide-width adjustment hole one 112 and the wide-width adjustment hole two 123 are completely overlapped, the air inlet space is maximum, the air inlet amount is maximum, the air in the inside of the spray gun body 2 directly enters the inside of the air inlet cavity 133 and the wide-width adjustment exhaust hole 132 through the wide-width adjustment hole one 112 and the wide-width adjustment hole two 123, and finally is discharged through the wide-width adjustment exhaust hole 132 to adjust the spraying width range to the maximum. Conversely, when the wide-width adjustment knob 14 is rotated to slowly rotate the wide-width adjustment hole one 112 away from the wide-width adjustment hole two 123 until they are not overlapped, the air inlet space gradually becomes smaller, the air inlet amount gradually decreases, the air amount discharged from the wide-width adjustment exhaust hole 132 gradually decreases, the spraying width range changes from the maximum to the minimum, and the user can stop rotating the wide-width adjustment knob 14 after adjusting the spraying width range to the appropriate value.

[0041] As a specific technical solution of the embodiment, a circle of air inlet cavities 133 is arranged on the side of the spray plate 13 away from the wide-width adjustment seat 131, a plurality of wide-width adjustment hole twos 123 are connected to the air inlet cavities 133 in common, and the wide-width adjustment exhaust hole 132 is connected to the wide-width adjustment hole two 123 through the air inlet cavity 133.

[0042] In the embodiment, the air inlet cavity 133 is connected with the wide adjustment holes 123, which ensures the air inlet amount of the wide adjustment exhaust holes 132. The air inlet cavity 133 is not connected with the air outlet holes 122, and the sealing performance is better.

[0043] As a specific technical scheme of the embodiment, the surface of the wide adjustment rotating seat 11 is symmetrically provided with two limiting grooves 114, and the threaded head 21 at one end of the spray gun body 2 is internally provided with two limiting blocks 22 which are movably connected with the two limiting grooves 114.

[0044] In the embodiment, the limiting grooves 114 are used in cooperation with the limiting blocks 22 to limit the rotation angle of the wide adjustment rotating seat 11, so that the rotation range of the wide adjustment rotating seat 11 can just adjust the spray width from the maximum to the minimum or from the minimum to the maximum, and there is no redundant rotation, and the operation is more convenient and fast.

[0045] As a specific technical scheme of the embodiment, the top of the wide adjustment knob 14 extends to the top of the spray gun body 2, and the top of the wide adjustment knob 14 is provided with a circle of anti-skid protrusions 142.

[0046] In the embodiment, the anti-skid protrusions 142 are arranged to reduce the sliding when the wide adjustment knob 14 is rotated, and the operation is more convenient, and the phenomenon of slipping of the wide adjustment knob 14 after the user's hand is wet can be reduced.

[0047] As a specific technical scheme of the embodiment, the inside of the spray gun body 2 is provided with a conveying cavity 29, the inside of the conveying cavity 29 is provided with an adjusting rod 291, one end of the adjusting rod 291 extends to the inside of the spray head 121, the inside of the spray gun body 2 is also provided with a water suction pipe 292 which is connected with the conveying cavity 29, the end of the spray gun body 2 away from the threaded head 21 is movably connected with a main machine 24, the bottom of the main machine 24 is provided with a handle 25, the bottom of the handle 25 is provided with a power line 251, the spray gun body 2 is also provided with a spray gun switch 28 for driving the adjusting rod 291, the wide adjustment fixed seat 12 is arranged at one end of the threaded head 21, the outside of the threaded head 21 is threadedly sleeved with a threaded cover 23 for pressing the wide adjustment fixed seat 12 and the spray plate 13, the bottom of the spray gun body 2 is provided with a threaded seat 26, the inside of the threaded seat 26 is threadedly sleeved with a material barrel 27 which is connected with the water suction pipe 292.

[0048] In the embodiment, the bucket 27 is used to contain liquid such as paint or disinfectant, and the main machine 24, the spray gun body 2 and the bucket 27 form a complete spray gun. The main machine 24 can be started by the spray gun switch 28, and the liquid spraying amount can be adjusted by the adjusting rod 291. The bucket 27 is connected with the threaded seat 26 in a threaded connection mode, so that the bucket 27 is more convenient to disassemble and assemble. The main machine 24 can be powered by connecting the power cord 251 to the mains. After the threaded cover 23 is rotated and removed, the wide adjustment rotating seat 11, the wide adjustment fixed seat 12 and the spray plate 13 can be removed. The wide adjustment fixed seat 12 cannot be rotated after being assembled, and the spray plate 13 can be rotated. The setting of the air inlet cavity 133 enables the spray plate 13 to rotate and also enables the plurality of wide adjustment holes two 123 to be in communication with the wide adjustment exhaust holes 132.

[0049] In use, when the wide adjustment hole one 112 and the wide adjustment hole two 123 are completely opposite and coincide with each other, the air inlet space is maximum, the air inlet amount is maximum, the main machine 24 is started, the air in the spray gun body 2 directly enters the inside of the air inlet cavity 133 and the wide adjustment exhaust hole 132 through the wide adjustment hole one 112 and the wide adjustment hole two 123, and finally is discharged through the wide adjustment exhaust hole 132 to adjust the spraying wide range to the maximum. Conversely, the wide adjustment hole one 112 is slowly rotated and deviated from the wide adjustment hole two 123 until they do not coincide with each other by rotating the wide adjustment knob 14. The air inlet space gradually becomes smaller, the air inlet amount gradually decreases, the air amount discharged from the wide adjustment exhaust hole 132 gradually becomes less, the spraying wide range changes from the maximum to the minimum, and the user can stop rotating the wide adjustment knob 14 after adjusting the spraying wide range to the appropriate spraying wide range.

[0050] In summary, the spray gun wide adjustment structure can rotate the wide adjustment rotating seat 11 by rotating the wide adjustment knob 14 at the top of the spray gun body 2 through the meshing of the gear 141 and the shift tooth 113 to adjust the spraying wide range. The spraying wide range is not polluted during the process, the meshing precision of the gear 141 and the shift tooth 113 is high, the spraying wide range adjustment is more easily controlled in detail, the user's use demand is met, the setting of the limiting groove 114 is used in cooperation with the limiting block 22 to limit the rotation angle of the wide adjustment rotating seat 11, so that the rotation range of the wide adjustment rotating seat 11 can just adjust the spraying wide range from the maximum to the minimum or from the minimum to the maximum, and there is no redundant rotation. The operation is more convenient and fast.

[0051] The above description and drawings suffice to fully enable one skilled in the art to practice the embodiments of the present disclosure. Other embodiments can include structural and other changes. The embodiments are merely representative of possible variations. Individual components and functions are optional unless explicitly required, and the order of operations can be varied. Portions and features of some embodiments can be included in, or substituted for, portions and features of other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the drawings, and can be varied in a variety of ways. The scope of the present disclosure is limited only by the claims that follow.

Claims

1. A spray gun width adjustment structure, comprising a width adjustment mechanism (1), characterized in that: The width adjustment mechanism (1) is located inside the spray gun body (2). The width adjustment mechanism (1) includes a width adjustment rotating seat (11), a width adjustment fixed seat (12), a spray plate (13), and a width adjustment knob (14). The width adjustment rotating seat (11) has a number of width adjustment holes (112) arranged in a ring. The width adjustment fixed seat (12) is located on one side of the width adjustment rotating seat (11). The width adjustment fixed seat (12) has width adjustment holes (123) that are the same number as the width adjustment holes (112) and correspond one-to-one. The spray plate (13) is located on one side of the width adjustment fixed seat (12). The spray plate (13) has a width adjustment exhaust hole (132) that is connected to the width adjustment holes (123) and has a number of at least one. The width adjustment knob (14) is rotatably disposed inside the spray gun body (2). A gear (141) is provided at the bottom of the width adjustment knob (14). At least one set of teeth (113) that mesh with the gear (141) are provided on the side of the width adjustment rotating seat (11) away from the width adjustment fixed seat (12). When the width adjustment knob (14) is rotated, the width adjustment knob (14) drives the width adjustment rotating seat (11) to rotate, thereby adjusting the offset of the width adjustment hole one (112) relative to the width adjustment hole two (123).

2. The spray gun width adjustment structure according to claim 1, characterized in that: The inside of the width adjustment rotating seat (11) is fixedly provided with an air inlet (111), and the inside of the width adjustment fixed seat (12) is provided with a spray head (121) and an air outlet (122) located on the outer ring of the spray head (121). The air outlet (122) is connected to the air inlet (111).

3. The spray gun width adjustment structure according to claim 1, characterized in that: The second wide-width adjustment hole (123) is located outside the air outlet (122), and a sealing cavity (124) is provided between two adjacent second wide-width adjustment holes (123).

4. The spray gun width adjustment structure according to claim 2, characterized in that: The end of the spray head (121) away from the width adjustment fixing seat (12) extends into the interior of the spray plate (13). Two width adjustment seats (131) are symmetrically arranged on one side of the spray plate (13), and the width adjustment exhaust hole (132) is located inside the width adjustment seat (131).

5. The spray gun width adjustment structure according to claim 1, characterized in that: The spray plate (13) has an air intake chamber (133) on the side away from the width adjustment seat (131). Several width adjustment holes (123) are connected to the air intake chamber (133). The width adjustment exhaust hole (132) is connected to the width adjustment hole (123) through the air intake chamber (133).

6. The spray gun width adjustment structure according to claim 1, characterized in that: The surface of the wide-range adjustment rotating seat (11) is symmetrically provided with two limiting grooves (114), and the threaded head (21) at one end of the spray gun body (2) is provided with two limiting blocks (22) that are respectively engaged with the two limiting grooves (114).

7. The spray gun width adjustment structure according to claim 1, characterized in that: The top of the width adjustment knob (14) extends to the top of the spray gun body (2), and the top of the width adjustment knob (14) is provided with a ring of anti-slip protrusions (142).

8. The spray gun width adjustment structure according to claim 1, characterized in that: The spray gun body (2) is provided with a conveying chamber (29) inside, and an adjusting rod (291) is provided inside the conveying chamber (29). One end of the adjusting rod (291) extends into the interior of the spray head (121). The spray gun body (2) is also provided with a water suction pipe (292) that communicates with the conveying chamber (29).

9. The spray gun width adjustment structure according to claim 1, characterized in that: The width adjustment fixing seat (12) is located at one end of the threaded head (21). The external thread of the threaded head (21) is fitted with a threaded cap (23) for pressing down the width adjustment fixing seat (12) and the spray plate (13). The bottom of the spray gun body (2) is provided with a threaded seat (26). The internal thread of the threaded seat (26) is fitted with a material bucket (27) that is connected to the water suction pipe (292).

10. The spray gun width adjustment structure according to claim 1, characterized in that: The spray gun body (2) is movably connected to a main unit (24) at one end away from the threaded head (21). A handle (25) is provided at the bottom of the main unit (24), and a power cord (251) is provided at the bottom of the handle (25). A spray gun switch (28) for driving the adjusting rod (291) is also provided on the spray gun body (2).

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