阅读说明：本技术 一种后压可调节流量的水枪 (Back-pressure flow-adjustable water gun ) 是由 张开山 尤棠杰 李述龙 宋振祯 于 2021-10-25 设计创作，主要内容包括：本发明公开了一种后压可调节流量的水枪,包括枪身,所述枪身内设有喷水通道,所述枪身前端设有杯头,所述杯头上设有与喷水通道连通的出水孔,所述杯头外端设有能调节水花形状的喷头组件,所述枪身上还设有能开关所述喷水通道的启闭组件,所述启闭组件和杯头之间转动连接有调节盘,所述调节盘上设有能随调节盘的转动逐渐封闭或打开出水孔的阀芯。本发明具有能调节水流量、调节精确、喷水平稳、操作方便、调好后手可以松开、外观也不会受到影响的优点。(The invention discloses a back-pressing flow-adjustable water gun which comprises a gun body, wherein a water spraying channel is arranged in the gun body, a cup head is arranged at the front end of the gun body, a water outlet hole communicated with the water spraying channel is formed in the cup head, a spray head assembly capable of adjusting the shape of spray is arranged at the outer end of the cup head, an opening and closing assembly capable of opening and closing the water spraying channel is further arranged on the gun body, an adjusting disc is rotatably connected between the opening and closing assembly and the cup head, and a valve core capable of gradually closing or opening the water outlet hole along with the rotation of the adjusting disc is arranged on the adjusting disc. The invention has the advantages of adjustable water flow, accurate adjustment, stable water spraying, convenient operation, loosening of hands after adjustment and no influence on appearance.)

1. The utility model provides a but back pressure flow regulation's squirt which characterized in that: including body of a gun (1), be equipped with water spray channel (11) in body of a gun (1), body of a gun (1) front end is equipped with cup (2), be equipped with apopore (21) with water spray channel (11) intercommunication on cup (2), cup (2) outer end is equipped with shower nozzle subassembly (3) that can adjust the splash shape, still be equipped with on body of a gun (1) and open and close the subassembly (4) of opening and close of water spray channel (11), it is connected with adjustment disk (5) to open and close to rotate between subassembly (4) and cup (2), be equipped with on adjustment disk (5) and seal gradually or open case (51) of apopore (21) along with the rotation of adjustment disk (5).

2. A back pressure adjustable flow monitor as claimed in claim 1, in which: a connecting hole (52) communicated with the water spraying channel (11) is formed in the middle of the adjusting disc (5), a cavity communicated with the connecting hole (52) and the water outlet hole (21) is formed between the adjusting disc (5) and the cup head (2), and the valve core (51) rotates in the cavity along with the rotation of the adjusting disc (5); when the valve core (51) rotates to the position of the water outlet hole (21), the valve core (51) is attached to the water outlet hole (21).

3. A back pressure adjustable flow monitor as claimed in claim 1, in which: and a limiting structure for limiting the rotation angle of the adjusting disc (5) is arranged between the adjusting disc (5) and the gun body (1) and between the adjusting disc and the cup head (2).

4. A back pressure adjustable flow water gun as claimed in claim 3, in which: the adjusting disc (5) comprises an inner ring (5a) and an outer ring (5b), a connecting plate (53) is arranged between the inner ring (5a) and the outer ring (5b), and the valve core (51) is arranged on the inner ring (5 a); the limiting structure comprises a connecting plate (53), a first limiting notch (12) which is arranged at the front end of the gun body (1) and is used for the corresponding connecting plate (53) to pass through and swing in, and a second limiting notch (22) which is arranged at the rear end of the cup head (2) and is used for the corresponding connecting plate (53) to pass through and swing in.

5. A back pressure adjustable flow water gun as claimed in claim 4, in which: the inner ring (5a), the outer ring (5b), the connecting plate (53) and the valve core (51) are integrally formed.

6. A back pressure adjustable flow water gun as claimed in any one of claims 1 to 5, in which: the water outlet hole (21) deviates from a rotating shaft of the adjusting disc (5).

7. A back pressure adjustable flow water gun as claimed in claim 6, in which: the middle part of the valve core (51) is provided with a convex shaft (511), and the middle part of the cup head (2) is provided with a shaft groove (23) for the convex shaft (511) to insert and rotate in.

8. A back pressure adjustable flow water gun as claimed in any one of claims 1 to 5, in which: and sealing rings (54) are arranged between the front part of the adjusting disc (5) and the cup head (2) and between the rear part of the adjusting disc (5) and the water spraying channel (11).

9. A back pressure adjustable flow water gun as claimed in claim 4 or 5, wherein: the outer surface of the outer ring (5b) is exposed and provided with anti-skid convex ribs (55).

10. A back pressure adjustable flow water gun as claimed in claim 4 or 5, wherein: the gun body (1) is provided with an indicating mark (13) for indicating the flow, and the outer surface of the outer ring (5b) is provided with a pointer mark (56) pointing to the indicating mark (13).

Technical Field

The invention relates to the technical field of water guns, in particular to a back-pressure flow-adjustable water gun.

Background

The water gun is used for garden irrigation, cleaning road surfaces, washing automobiles and expanding the fixed-point use on machine equipment.

In the prior art, a rear water pressing gun is generally used by pressing down a pressure head and then fixing the pressure head, and at the moment, the water flow and the water spraying distance are not changed, so that the long-distance and short-distance exchange spraying can be realized when the rear water pressing gun is used in a garden, and flowers and plants can be knocked down or soil can be knocked away when the rear water pressing gun is sprayed into the flowers and plants. Perhaps someone is direct to control discharge with the power of hand, does not withstand the pressure head with the auxiliary member, will appear at this time, and discharge suddenly is big suddenly little, and the water spray distance suddenly is far suddenly advanced, hardly controls steady water spray, because there are spring and water pressure in the squirt the inside, is propping up always, and the pressure head can be bounced open the hand always, uses very inconveniently. And the water flow and the water spraying distance can not be accurately adjusted, and the hand can not be loosened after the water spraying distance is adjusted.

In addition, if direct ordinary adjusting device on the squirt, often can influence the outward appearance of squirt, can not satisfy more users' demand.

The present invention has been made based on such a situation.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a back-pressure flow-adjustable water gun which can adjust water flow, is accurate in adjustment, stable in water spraying, convenient to operate, loose in hand after adjustment and free from influence on appearance.

The invention is realized by the following technical scheme:

the utility model provides a but back pressure flow regulation's squirt, includes the body of a gun, be equipped with water spray channel in the body of a gun, the body of a gun front end is equipped with the cup, be equipped with the apopore with water spray channel intercommunication on the cup, the cup outer end is equipped with the shower nozzle subassembly that can adjust the splash shape, still be equipped with on the body of a gun and switch the subassembly of opening and close of water spray channel, it is connected with the adjustment disk to open and close to rotate between subassembly and the cup, be equipped with on the adjustment disk and seal gradually or open the case of apopore along with the rotation of adjustment disk.

According to the back-pressure flow-adjustable water gun, the middle part of the adjusting disc is provided with a connecting hole communicated with the water spraying channel, a cavity communicated with the connecting hole and the water outlet hole is formed between the adjusting disc and the cup head in a surrounding manner, and the valve core rotates in the cavity along with the rotation of the adjusting disc; when the valve core rotates to the position of the water outlet hole, the valve core is tightly attached to the water outlet hole.

According to the back-pressure water gun with the flow adjustable, a limiting structure for limiting the rotation angle of the adjusting disc is arranged between the adjusting disc and the gun body and between the adjusting disc and the cup head.

According to the back-pressure flow-adjustable water gun, the adjusting disc comprises an inner ring and an outer ring, a connecting plate is arranged between the inner ring and the outer ring, and the valve core is arranged on the inner ring; the limiting structure comprises a connecting plate, a first limiting notch and a second limiting notch, wherein the first limiting notch is arranged at the front end of the gun body and used for enabling the corresponding connecting plate to penetrate through and swing in the gun body, and the second limiting notch is arranged at the rear end of the cup head and used for enabling the corresponding connecting plate to penetrate through and swing in the cup head.

According to the back-pressure flow-adjustable water gun, the inner ring, the outer ring, the connecting plate and the valve core are integrally formed.

According to the rear-pressing water gun with the flow adjustable, the water outlet is deviated from the rotating shaft of the adjusting disc.

According to the back-pressure flow-adjustable water gun, the middle part of the valve core is provided with the protruding shaft, and the middle part of the cup head is provided with the shaft groove for the protruding shaft to insert and rotate in.

According to the back-pressure water gun with the flow adjustable, the sealing rings are arranged between the front part of the adjusting disc and the cup head and between the rear part of the adjusting disc and the water spraying channel.

According to the back-pressure flow-adjustable water gun, the outer surface of the outer ring is exposed, and anti-skid convex ribs are arranged on the outer surface.

According to the back-pressing flow-adjustable water gun, the gun body is provided with an indicating mark for indicating the flow, and the outer surface of the outer ring is provided with a pointer mark pointing to the indicating mark.

Compared with the prior art, the invention has the following advantages:

1. in the invention, the adjusting disc can rotate, and the valve core on the adjusting disc gradually closes or gradually opens the water outlet hole along with the rotation of the adjusting disc, which is the process of adjusting the flow. In detail, when the valve core rotates towards the water outlet, the opening area of the water outlet is smaller and smaller until the water outlet is completely shielded, and the flow is reduced in the process; when the valve core rotates towards the direction far away from the water outlet hole, the opening area of the water outlet hole is larger and larger until the water outlet hole is completely uncovered, and the process is also used for increasing the flow. The flow regulating assembly can quickly and accurately regulate the water spraying flow; the adjustment is simple, and the adjustment disc is rotated; the hand can be taken off after adjustment, and the hand is not required to be pressed all the time; simple structure and no complex structure. The cup head can be used as one part of the spray head assembly, namely the cup head is shared by the flow regulating assembly and the spray head assembly, so that the number of parts can be reduced, the structure is simplified, and the cost is reduced.

2. And a limiting structure for limiting the rotation angle of the adjusting disc is arranged between the adjusting disc and the gun body. Can avoid appearing wide-range idle stroke (adjusting plate idle stroke does not play the effect of adjusting the flow promptly) like this when rotating the adjusting plate, limit structure can restrict the adjusting plate at certain angular range internal rotation, and in this scope, can not idle stroke or idle stroke weak point.

More specifically, the connecting plate can only swing within the range of first spacing breach and second spacing breach, that is to say the adjustment disk can only rotate within this scope, so realize spacing, simple structure is reliable.

Drawings

The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is a schematic view of the conditioning disk configuration;

fig. 5 is a schematic view of the structure of the cup head.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.

The back-pressure flow-adjustable water gun comprises a gun body 1, a water spraying channel 11 is arranged in the gun body 1, a cup head 2 is arranged at the front end of the gun body 1, a water outlet 21 communicated with the water spraying channel 11 is arranged on the cup head 2, a spray head assembly 3 capable of adjusting the shape of spray flowers is arranged at the outer end of the cup head 2, an opening and closing assembly 4 capable of opening and closing the water spraying channel 11 is further arranged on the gun body 1, an adjusting disc 5 is rotatably connected between the opening and closing assembly 4 and the cup head 2, and a valve core 51 capable of turning to or being away from the water outlet 21 along with the rotation of the adjusting disc 5 so as to gradually close or open the water outlet 21 is arranged on the adjusting disc 5. More specifically, a connecting hole 52 which is communicated with the water spraying channel 11 is arranged in the middle of the adjusting disc 5, a cavity which is communicated with the connecting hole 52 and the water outlet hole 21 is enclosed between the adjusting disc 5 and the cup head 2, and the valve core 51 rotates in the cavity along with the rotation of the adjusting disc 5; when the valve core 51 rotates to the position of the water outlet hole 21, the valve core 51 is tightly attached to the water outlet hole 21.

More specifically, the gun body 1 is provided with a hollow inner plug 6 at the front part, the rear end of the inner plug 6 is fixedly arranged at the front part of the gun body 1, and the front end of the inner plug 6 is fixedly arranged at the rear end of the cup head 2 and clamps the adjusting disc 5 between the inner plug and the cup head.

In the invention, water flow enters from the lower end of the water spraying channel 11 in the gun body 1, enters a cavity between the adjusting disc 5 and the cup head 2 after passing through the opening and closing assembly 4, then passes through the water outlet hole 21 on the cup head 2, and forms spray when entering the spray head assembly 3. The adjusting disc 5 can rotate, and the valve core 51 on the adjusting disc gradually closes or gradually opens the water outlet hole 21 along with the rotation of the adjusting disc 5, which is the process of adjusting the flow. In detail, when the valve core 51 rotates toward the water outlet hole 21, the opening area of the water outlet hole 21 becomes smaller and smaller until the water outlet hole 21 is completely blocked, which is to say, the flow rate is reduced; when the valve core 51 rotates in a direction away from the outlet hole 21, the opening area of the outlet hole 21 is increased until the outlet hole 21 is completely uncovered, that is, the flow rate is increased. The flow regulating assembly can quickly and accurately regulate the water spraying flow; the adjustment is simple, and the adjusting disc 5 can be rotated; the hand can be taken off after adjustment, and the hand is not required to be pressed all the time; simple structure and no complex structure.

The cup head 2 can be used as a part of the nozzle assembly 3, that is, as shown in fig. 2, the nozzle assembly 3 comprises the cup head 2 and a nozzle turntable 31 capable of rotating on the cup head 2, the nozzle turntable 31 is provided with a plurality of spray nozzles 311, and when the nozzle turntable 31 rotates, the outer end of the water outlet hole 21 is aligned and communicated with each spray nozzle 311 in sequence; a turntable inner plug 32 is arranged between the cup head 2 and the nozzle turntable 31 and used for sealing and preventing water leakage at the joint of the nozzle turntable 31 and the spray nozzle 311, a water stop gasket 211 is arranged inside the outer end of the water outlet hole 21, and the water stop gasket 211 is tightly attached to the turntable inner plug 32. That is, the cup head 2 is shared by the flow regulating assembly and the spray head assembly 3, so that the number of parts can be reduced, the structure is simplified, and the cost is reduced.

In a more specific embodiment of the invention, a limiting structure for limiting the rotation angle of the adjusting disk 5 is arranged between the adjusting disk 5 and the gun body 1. Therefore, the phenomenon that the adjusting disc 5 is in idle running in a large range (namely the adjusting disc 5 does not have the flow adjusting function) when rotating can be avoided, the limiting structure can limit the adjusting disc 5 to rotate in a certain angle range, and the idle running or the idle running is not short in the range.

In a more specific embodiment of the invention, the adjusting disk 5 comprises an inner ring 5a and an outer ring 5b, a connecting plate 53 is arranged between the inner ring 5a and the outer ring 5b, and the valve core 51 is arranged on the inner ring 5 a; the limiting structure comprises a connecting plate 53, a first limiting notch 12 which is arranged at the front end of the gun body 1 and is used for the corresponding connecting plate 53 to pass through and swing in, and a second limiting notch 22 which is arranged at the rear end of the cup head 2 and is used for the corresponding connecting plate 53 to pass through and swing in. Therefore, the connecting plate 53 can only swing within the range of the first limit notch 12 and the second limit notch 22, that is, the adjusting disc 5 can only rotate within the range, so that the limit is realized, and the structure is simple and reliable.

In a more specific embodiment of the present invention, the inner race 5a, the outer race 5b, the connecting plate 53 and the spool 51 are integrally formed. The manufacturing and forming are convenient, and the production cost is reduced.

In a more specific embodiment of the invention, the outlet opening 21 is offset from the axis of rotation of the adjustment disc 5. Because the adjusting disk 5 rotates, the valve core 51 rotates along with the adjusting disk 5, the water outlet hole 21 deviates from the rotating shaft of the adjusting disk 5, and the corresponding valve core 51 also deviates from the rotating shaft of the adjusting disk 5, the structure is simple and easy to realize, and a complex structure that the whole adjusting disk 5 is eccentric is not needed.

In a more specific embodiment of the present invention, the valve core 51 is provided with a protruding shaft 511 at the middle portion thereof, and the cup head 2 is provided with a shaft groove 23 at the middle portion thereof for the protruding shaft 511 to be inserted and rotated therein. The convex shaft 511 and the shaft groove 23 are matched, so that the valve core 51 can be installed more stably and rotate more stably.

In a more specific embodiment of the invention, sealing rings 54 are provided between the front part of the regulating disk 5 and the cup head 2, and between the rear part of the regulating disk 5 and the water spray channel 11. The sealing ring 54 is used for sealing the joint to prevent water leakage at the joint.

In a more specific embodiment of the present invention, the outer surface of the outer ring 5b is exposed and provided with an anti-slip bead 55. The outer surface of the outer ring 5b is exposed to directly enable the hand-driven adjusting disc 5 to rotate, and the anti-skid convex edge 55 has an anti-skid function.

In a more specific embodiment of the invention, the gun body 1 is provided with an indicator 13 for indicating the flow rate, and the outer surface of the outer ring 5b is provided with a pointer mark 56 pointing to the indicator 13. The cooperation of the two can definitely indicate the current flow adjusting direction and the current adjusting amount.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.