CN220288398U - Driving wave box for water gun and toy water gun - Google Patents

Abstract

The utility model provides a driving wave box for a water gun, which comprises a driving assembly, a water pumping assembly and a water jetting assembly, wherein the water pumping assembly and the water jetting assembly are respectively driven to rotate by the driving assembly, the driving assembly comprises a motor, a rotating part rotationally connected with the motor, and a transmission chain connected in the rotating part, wherein the input end of the transmission chain is fixed with the output shaft of the motor, and the output end of the transmission chain is rotationally connected to the rotating part; the water pumping assembly comprises a first transmission group and a water pump which are connected, and the water injection assembly comprises a second transmission group and a water injection pump which are connected, wherein the first transmission group and the second transmission group are respectively connected with the output end of the transmission chain in a meshed manner along with the rotation of the rotating part. The utility model also provides a toy water gun. The rotary part can be rotated to selectively drive the water pumping assembly to work so as to pump water and store the water, or drive the water jetting assembly to work so as to emit water columns, so that the structure is simple and compact, and the production cost of the water gun can be effectively reduced.

Description

Driving wave box for water gun and toy water gun

Technical Field

The utility model relates to the technical field of toy water guns, in particular to a driving wave box for a water gun and the toy water gun.

Background

The existing toy water gun can add an external water source into the water storage part through the water pumping structure, and when in use, the water injection structure is started to pump water out of the water storage part and emit the water out of the muzzle, such as the toy electric water gun provided by the Chinese patent document CN 217773230U. Although the electric water adding and jetting of the toy electric water gun can be realized, the structure of the toy electric water gun specifically adopts a mode that a double motor drives a water pumping structure and a water jetting structure to work respectively, and the toy electric water gun has the problems of insufficient structure and higher production cost.

Disclosure of Invention

The utility model aims to provide a driving wave box for a water gun and a toy water gun, which are used for solving the problems that in the background art, a double-motor mode is adopted to drive a water pumping structure and a water jetting structure to work respectively, so that the structure is not easy to be simplified, and the production cost of the water gun is reduced.

In order to achieve the above object, the present utility model provides a driving wave box for a water gun, comprising a driving assembly, a pumping assembly and a water jetting assembly driven to rotate by the driving assembly, wherein

The driving assembly comprises a motor, a rotating part rotationally connected with the motor and a transmission chain connected to the rotating part, wherein the input end of the transmission chain is fixed with the output shaft of the motor, and the output end of the transmission chain is rotationally connected to the rotating part;

the water pumping assembly comprises a first transmission group and a water pump which are connected, and the water injection assembly comprises a second transmission group and a water injection pump which are connected, wherein the first transmission group and the second transmission group are respectively connected with the output end of the transmission chain in a meshed manner along with the rotation of the rotating part.

Preferably, the rotating member comprises a base plate, the base plate is rotatably connected to an output shaft of the motor, and one side of the base plate, which is away from the motor, is rotatably connected with the transmission chain.

Preferably, a first cavity is formed on one side of the substrate opposite to the motor, and part of the motor is accommodated and connected in the first cavity; a second cavity is formed on one side of the substrate, opposite to the motor, the second cavity is rotatably connected with the transmission chain, and the second cavity is communicated with the first transmission group and two sides of the second transmission group.

Preferably, the transmission chain comprises meshed input teeth and output teeth, the input teeth are fixed with an output shaft of the motor, and the output teeth are respectively connected with the first transmission group and the second transmission group in a meshed manner along with the rotation of the base plate.

Preferably, an inner cavity is formed on one side of the base plate, which is opposite to the motor, the transmission chain is rotatably connected in the inner cavity, and a through hole is formed on one side of the inner cavity, which faces the first transmission group and the second transmission group.

As a preferable scheme, the water pump comprises a pump body and an impeller, wherein a cavity is arranged in the pump body, and the cavity comprises a water inlet and a water outlet; the impeller is rotatably connected in the cavity, and is coaxially connected with part of the first transmission group.

Preferably, the first transmission group comprises a first gear, the first gear is connected with the output end of the transmission chain in a meshing way, and the first gear is coaxially connected with the impeller or is connected with the impeller in a transmission way through a first toothed chain.

As a preferable scheme, the water jet pump comprises a piston cylinder, a piston rod, a positioning column and a spring, wherein the piston cylinder is provided with a water inlet and a water jet, a first one-way valve is connected in the water inlet, and a second one-way valve is connected in the water jet; the piston rod is movably connected in the piston cylinder, a sealing ring is arranged at the end part of the piston rod, which is positioned in the piston cylinder, and an escalator tooth is arranged on the side wall of the piston rod, which is positioned outside the piston cylinder, and the escalator tooth is in meshed connection with the second transmission group; the positioning column is arranged relative to the opening end of the piston cylinder; the spring is connected between the positioning column and the piston rod.

Preferably, the second transmission group comprises a third gear which is in meshed connection with the ladder teeth, a fourth gear which is in meshed connection with the output end of the transmission chain, and a second toothed chain which is in meshed transmission connection between the third gear and the fourth gear.

As a preferable scheme, the second transmission set further comprises a non-return wheel and a non-return piece, the non-return wheel is connected to the third gear and/or the fourth gear, a ratchet ring is arranged on the inner wall of the non-return wheel, the non-return piece is fixed in the non-return wheel, at least one pawl extends outwards from the outer wall of the non-return piece, and the pawl is meshed with the ratchet ring.

As the preferable scheme, the rotary water jet device also comprises a shell, wherein a containing cavity and a motor bin are arranged in the shell, the containing cavity is connected with the rotary part and the water jet component, the motor is fixed in the motor bin, and the rotary part is rotationally connected between the motor bin and the inner wall of the containing cavity.

As a preferred scheme, the shell comprises a first shell, a second shell and a gear rack, wherein the first shell and the second shell are detachably connected, the gear rack is detachably connected with the second shell, the first shell and the second shell are connected to form the accommodating cavity, an opening is formed in the cavity wall of the accommodating cavity relative to the position of the first transmission group, the motor bin is arranged in the first shell, a slide hole is formed in the second shell, and the output end of the transmission chain or the rotating part penetrates through the slide hole and is connected to the shell in a sliding manner; the gear frame is rotatably connected with a part of the first transmission group.

Preferably, the housing comprises a first housing and a second housing which are detachably connected, the first housing and the second housing are connected to form the accommodating cavity, and the first transmission group is further connected in the accommodating cavity; the first shell is connected with the second shell to form a fixed cavity, the fixed cavity is communicated with the accommodating cavity, and the water pump is fixedly connected in the fixed cavity; the motor bin is arranged in the first shell, a sliding hole is formed in the second shell, and the output end of the transmission chain or the rotating piece penetrates through the sliding hole to be connected to the shell in a sliding mode.

The utility model also provides a water gun toy, which comprises the driving wave box for the water gun.

Therefore, according to the technical means of the present utility model, the following brief description of the efficacy can be obtained by the present utility model: the driving wave box for the water gun and the toy water gun provided by the utility model are characterized in that the driving wave box for the water gun and the toy water gun are additionally provided with the rotating part which is rotationally connected with the motor, and meanwhile, the rotating part is connected with the transmission chain, so that the input end of the transmission chain is fixed with the output shaft of the motor, and the output end of the transmission chain is respectively and meshably connected with the water pumping assembly and the water jetting assembly, thereby realizing that when the rotating part is controlled to rotate relative to the motor, the output end of the transmission chain can be simultaneously driven to rotate to be meshed with the water pumping assembly or the water jetting assembly, and further driving the water pumping assembly or the water jetting assembly to work. Compared with the dual-motor driving mode in the prior art, the driving wave box provided by the utility model adopts single-motor driving, the water pumping assembly can be selectively driven to work to pump water and store water through rotating the rotating part, or the water jetting assembly can be driven to work to emit water columns, the structure is simple and compact, the whole size of the driving wave box can be effectively reduced, the driving wave box can be suitable for smaller water guns, and the structure that the water pumping assembly or the water jetting assembly is started to work by controlling the single motor can also reduce the production cost of the water guns and improve the economic benefit.

Drawings

Fig. 1 is a schematic diagram of a driving wave box according to a first embodiment of the present utility model.

Fig. 2 is an exploded view of the driving wave box of fig. 1.

Fig. 3 is a schematic cross-sectional view of the drive assembly of fig. 1 coupled within a housing.

Fig. 4 is a schematic diagram illustrating the connection of the driving assembly of fig. 2 to the pumping assembly.

FIG. 5 is a schematic diagram illustrating the connection of the driving assembly of FIG. 2 to the water jet assembly.

Fig. 6 is a schematic structural view of the fourth gear of fig. 2 when connecting the non-return wheel and the non-return member.

Fig. 7 is an exploded view of the pumping assembly of fig. 2.

FIG. 8 is a schematic cross-sectional view of the drive wave box of FIG. 1 in the VII-VII direction.

Fig. 9 is a schematic diagram of a driving wave box according to a second embodiment of the present utility model.

Fig. 10 is a schematic diagram of a driving wave box according to a third embodiment of the present utility model.

Fig. 11 is an exploded view of the driving wave box of fig. 10.

Fig. 12 is an internal schematic view of the driving wave box in fig. 10.

In the figure: 1-a driving wave box; 10-a housing; 100-accommodating cavities; 101-opening; 11-a first housing; 111-a motor bin; 12-a second housing; 121-slide holes; 13-a carrier; 14-a switch; 200-fixing the cavity; 20-a drive assembly; 21-an electric motor; 22-rotating member; 220-a substrate; 221-a first cavity; 222-a second cavity; 223-through holes; 224-an inner cavity; 225-opening; 23-a drive chain; 231-input teeth; 232-output teeth; 2321-a rotating shaft; 30-pumping assembly; 31-a first transmission group; 311-a first gear; 313-first toothed chain; 32-a water suction pump; 321-a pump body; 3211-cavity; 3212-a water inlet; 3213-water outlet; 322-impeller; 40-water jetting assembly; 41-a second drive group; 411-third gear; 412-a fourth gear; 413-a second toothed chain; 414-a non-return wheel; 4141-ratchet ring gear; 415-backstop; 4151-pawl; 42-water jet pump; 421-piston cylinder; 4211-water inlet; 4212-a water jet; 422-a piston rod; 4221-sealing rings; 4222-ladder teeth; 423-positioning columns; 424-springs; 51-a first one-way valve; 52-a second one-way valve.

Description of the embodiments

Preferred embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Referring to fig. 1 to 8, a driving wave box 1 for a water gun of a first embodiment is shown, which comprises a housing 10, and a driving assembly 20, a pumping assembly 30 and a water jetting assembly 40 respectively connected to the housing 10, wherein the driving wave box 1 is used for being connected with a water tank (not shown) of the water gun so as to realize the purposes of pumping water into the water tank electrically or jetting water in the water tank in a water column mode. In other embodiments of the present utility model, drive wave box 1 may not be provided with housing 10, and drive assembly 20, pump assembly 30, and water jet assembly 40 may be directly connected to the housing of the water gun.

It will be appreciated that the housing 10 includes a first housing 11 and a second housing 12 which are detachably connected, and a gear rack 13 which is detachably connected to the second housing 12, and in this embodiment, the detachable connection of the first housing 11 and the second housing 12, and the second housing 12 and the gear rack 13 is achieved by means of bolting. In other embodiments of the present utility model, the first housing 11 and the second housing 12, and the second housing 12 and the gear rack 13 may be detachably connected by other manners, such as a male-female fit connection, a snap-fit connection, a magnetic connection, a threaded connection, or the like, or the first housing 11 and the second housing 12, and the second housing 12 and the gear rack 13 may be provided as an integrally formed structure or fixed by welding, or the like.

The first housing 11 and the second housing 12 are connected to form a housing chamber 100 for mounting the driving assembly 20 and the water jet assembly 40. The wall of the housing chamber 100 is further provided with an opening 101 at a position corresponding to the pumping assembly 30, so that a part of the pumping assembly 30 can pass through the opening 101 and enter the housing chamber 100 to be connected with the driving assembly 20 in the housing chamber 100.

In this embodiment, a motor compartment 111 (as shown in fig. 2) perpendicular to the extending direction of the accommodating cavity 100 is disposed in the first housing 11, and the motor compartment 111 is in communication with the accommodating cavity 100 for fixedly mounting a part of the driving assembly 20, and enabling the part of the driving assembly 20 to extend into the accommodating cavity 100 to be connected with another part of the driving assembly 20. The directional structure of the housing chamber 100 and the motor compartment 111 can effectively reduce the overall size of the driving wave box 1, so that the driving wave box can be applied to smaller water guns. The outer wall of the second housing 12 is provided with a sliding hole 121, so that the other part of the driving component 20 can pass through the sliding hole 121 to be exposed on the housing 10 so as to be fixed with the external switch 14, and a consumer can control the driving component 20 through the switch 14. It should be noted that the sliding hole 121 is slidably connected to the other part of the driving assembly 20, so that the driving assembly 20 can be controlled to rotate by the rotation switch 14, so that the driving assembly can swing reciprocally on the housing 10. The gear frame 13 is provided corresponding to the opening 101 for rotating the connection portion pumping assembly 30. In other embodiments of the present utility model, the motor compartment 111 may be disposed in the same direction as the extending direction of the housing chamber 100. The sliding hole 121 may not be connected to the driving assembly 20, and the external control member (such as the switch 14) may be fixed to the driving assembly 20 through the sliding hole 121, so as to achieve the purpose that the switch 14 can control the driving assembly 20 to rotate.

The driving assembly 20 is used for being controlled and connected with the water pumping assembly 30 or the water jetting assembly 40, so as to selectively drive the water jetting assembly 30 or the water jetting assembly 40 to work. It will be appreciated that the drive assembly 20 includes a motor 21, a rotating member 22 rotatably coupled to the motor 21, and a drive chain 23 coupled to the rotating member 22. Wherein the motor 21 is fixed in the motor bin 111, and the output shaft thereof extends out of the accommodating cavity 100 and is used for being fixed with part of the transmission chain 23 to drive the motor to rotate.

The rotating member 22 is rotatably connected between the outer wall of the motor housing 111 and the inner wall of the accommodating cavity 100, in this embodiment, the rotating member 22 includes a base plate 220, a first cavity 221 is formed on a side of the base plate 220 opposite to the motor 21, and a second cavity 222 is formed on a side of the base plate 220 opposite to the motor 21. The first cavity 221 and the second cavity 222 are communicated through the through hole 223, and the first cavity 221 is rotatably connected to the outer wall of the motor bin 111, and at this time, the output shaft of the motor 21 is accommodated and connected in the first cavity 221 and extends into the second cavity 222 through the through hole 223. The second cavity 222 is internally and fixedly connected with the transmission chain 23, and the second cavity 222 is communicated with both sides of the partial water pumping assembly 30 and the partial water jetting assembly 40, so that the partial water pumping assembly 30 and the partial water jetting assembly 40 can be connected with the transmission chain 23 through the through holes. In other embodiments of the present utility model, the rotating member 22 may be provided with only the base plate 220, and the base plate 220 is rotatably connected to the rotating shaft of the motor 21, and the transmission chain 23 is rotatably connected to a side of the base plate 220 facing away from the motor 21.

In this embodiment, the transmission chain 23 includes an input tooth 231 and an output tooth 232 which are meshed, and the input tooth 231 is fixed to the output shaft of the motor 21 and serves as an output end of the transmission chain 23 to transmit the rotation torque of the motor 21. The output teeth 232 are rotatably connected to the second cavity 222, and the rotating shaft 2321 thereof passes through the rotating member 22 and is exposed on the rotating member 22. It should be noted that, the output teeth 232 serve as the output end of the transmission chain 23 to be in meshed connection with the partial water pumping assembly 30 and the partial water jetting assembly 40, so that when the input teeth 231 start to rotate with the motor 21, the water pumping assembly 30 or the water jetting assembly 40 can be driven to rotate instantly through the output teeth 232. The rotating shaft 2321 passes through the sliding hole 121 and is exposed on the casing 10 to be fixed with the switch 14, the rotating shaft 2321 can be controlled to swing reciprocally in the sliding hole 121 by rotating the switch 14 so as to drive the rotating member 22 to rotate reciprocally relative to the motor 21, and in this process, the output teeth 232 can be meshed with the water pumping assembly 30 or the water jetting assembly 40 and drive the water pumping assembly or the water jetting assembly 40 to rotate. In other embodiments of the present utility model, the driving chain 23 may be formed of other structures capable of transmitting power, such as a combination structure of rollers and a conveyor belt. The rotating shaft 2321 may not be exposed on the rotating member 22, and may be slidably connected to the sliding hole 121 and fixed to the switch 14 by protruding a protruding column on the rotating member 22.

The water pumping assembly 30 is connected with the water tank and is driven to rotate by the driving assembly 20 to pump water into the water tank for storing water. It will be appreciated that the pump assembly 30 includes a first drive train 31 and a pump 32 connected.

The first transmission set 31 includes a first gear 311, and the first gear 311 extends into the housing cavity 100 through the opening 101, so that the first gear 311 can be engaged with the output teeth 232 in the housing cavity 100. In this embodiment, the first gear 311 is in driving connection with the water pump 32 through a first toothed chain 313, so that when the first gear 311 is driven to rotate by the output teeth 232, the water pump 32 can be driven to rotate to pump water through the first toothed chain 313. The first toothed chain 313 is composed of a first spur gear and a worm wheel coaxially connected, and a second spur gear coaxially connected with the water pump 32, wherein the second spur gear is rotatably connected in the water pump 32, and the first spur gear and the first gear 311 are rotatably connected on the gear frame 13. In other embodiments of the present utility model, the first gear 311 may be disposed on the first transmission set 31, and the configuration of the first gear 311 may be adaptively changed according to the configuration of the first gear chain 313, for example, the first gear 311 may be a crown gear, a bevel gear, a double gear, or the like. The first toothed chain 313 may also be a combination of gear and belt transmission to achieve power transmission, and the first toothed chain 313 may be formed by one gear or more than three gears meshed to adapt to the rotation speed requirement and/or position direction change of the water pump 32.

The water pump 32 comprises a pump body 321 and an impeller 322, the pump body 321 is fixed on the first shell 11 relative to a water injection port of the water injection assembly 40, a cavity 3211 is arranged in the pump body 321, the cavity 3211 comprises a water inlet 3212 and a water outlet 3213, the water inlet 3212 is used for allowing an external water source to enter the cavity 3211, and the water outlet 3213 is connected with the water tank through a pipeline. Impeller 322 is rotatably connected to cavity 3211, and impeller 322 is coaxially connected to the second spur gear of first toothed chain 313 for controlled rotation to pump the external water source entering cavity 3211 into the water tank, thereby completing the pumping and water storage functions.

Specifically, when the water pumping and storing function of the driving wave box 1 needs to be started, the rotary switch 14 is turned to toggle the rotary shaft 2321 to move along with the sliding hole 121, so as to drive the rotary member 22 to rotate toward the first transmission set 33, and the output teeth 232 are meshed with the first gear 311. At this time, if the motor 21 is started, the motor 21 drives the first transmission set 31 to rotate through the transmission chain 23 so as to drive the impeller 322 to rotate along with the first transmission set, thereby pumping water and storing water to the water tank.

The water jetting assembly 40 is connected to the water tank, and is driven by the driving assembly 20 to rotate so as to jet the water in the water tank in a water column manner. It will be appreciated that the water jet assembly 40 includes a second drive train 41 and a water jet pump 42 connected.

In this embodiment, the second transmission group 41 includes a third gear 411 meshably connected to the partial jet pump 42, a fourth gear 412 meshably connected to the output teeth 232, and a second toothed chain 413 meshably connected between the third gear 411 and the fourth gear 412. The third gear 411 and the fourth gear 412 are all configured as duplex gears, the second toothed chain 413 is formed by two meshed duplex gears, and the fourth gear 412, the second toothed chain 413 and the third gear 411 are sequentially meshed to form a reduction gear set for reducing and driving the water jet pump 42 to move so as to ensure the stability of the water jet function. Further, the third gear 411 includes a gear with a missing tooth, which is meshably connected with a portion of the water jet pump 42 along with the rotation of the third gear 411, so as to cooperate with other components of the water jet pump 42 to realize the continuous operation of the water jet pump 42. In other embodiments of the present utility model, the second transmission set 41 may also use a combination of gear and belt transmission to achieve power transmission. The second toothed chain 413 may be formed by one gear or three or more gears meshed.

In this embodiment, the second transmission set 41 further includes a non-return wheel 414 and a non-return member 415, the non-return wheel 414 is connected to the fourth gear 412, and a ratchet ring 4141 is disposed on an inner wall of the non-return wheel 414. The backstop 415 is fixed in the backstop wheel 414 through the second casing 12 (namely the backstop 415 is fixed with the second casing 12), and two pawls 4151 are outwards protruded from the outer wall of the backstop 415, and the pawls 4151 are meshed with the ratchet ring 4141 so as to limit the rotation direction of the fourth gear 412 and prevent the fourth gear 412 from reversing and wearing teeth. In other embodiments of the present utility model, the second transmission group 41 may not be provided with the non-return wheel 414 and the non-return member 415. The check wheel 414 may be connected to the third gear 411, and the check member 415 is fixed in the check wheel 414 by the first housing 11. The number of the pawls 4151 may be one, three or more.

The water jet pump 42 includes a piston cylinder 421, a piston rod 422, a positioning post 423, and a spring 424. The piston cylinder 421 is provided with a water inlet 4211 and a water jet 4212, the water inlet 4211 is connected with the water tank through a pipeline, a first check valve 51 is connected in the water inlet 4211, and a second check valve 52 is connected in the water jet 4212. In this embodiment, the first check valve 51 and the second check valve 52 are elastic silica gel members, and the elastic silica gel members are elastically connected with the inner walls of the water inlet 4211 and the water jet 4212 through springs. In other embodiments of the present utility model, the first check valve 51 and/or the second check valve 52 may be provided as a check valve having a slit that opens when a force is applied thereto, and may be fixed in the water inlet 4211 and/or the water injection port 4212.

The piston rod 422 is movably connected to the piston cylinder 421, and a sealing ring 4221 is provided at an end of the piston rod 422 located in the piston cylinder 421, and an upper ladder tooth 4222 is provided at a side wall of the piston rod 422 located outside the piston cylinder 421, and the upper ladder tooth 4222 is meshably connected with a tooth-missing gear of the third gear 411. The positioning post 423 is disposed with respect to the open end of the piston cylinder 421. Spring 424 is connected between positioning post 423 and piston rod 422. When the piston rod 422 reciprocates in the piston cylinder 421 under the control of the second transmission group 41 and the spring 424, the water column in the water tank can be pumped out by matching the first check valve 51 and the second check valve 52.

Specifically, when the water injection function of the driving wave box 1 needs to be started, the rotary switch 14 is turned to toggle the rotary shaft 2321 to move in the sliding hole 121, so as to drive the rotary member 22 to rotate toward the second transmission set 41, and the output tooth 232 is meshed with the fourth gear 412. At this time, when the motor 21 is started, the motor 21 drives the second transmission set 41 to rotate through the transmission chain 23. In the process of rotating the second transmission set 41, the tooth-missing gear of the third gear 411 is meshed with the ladder tooth 4222 and drives the piston rod 422 to move towards the direction of the positioning column 423, at this time, the spring 424 compresses and stores energy, and the air pressure in the piston cylinder 421 changes to drive the first one-way valve 51 to move towards the direction of opening the water inlet 4211, so that water in the water tank can enter the piston cylinder 421 through the water inlet 4211. With the continuous rotation of the second transmission set 41, the gear with missing teeth is separated from the ladder teeth 4222, and at this time, the piston rod 422 moves along with the reset movement of the spring 424, so that the second check valve 52 is pushed by air pressure to move towards the direction of opening the water injection port 4212, so that the water in the piston cylinder 421 can be injected from the water injection port 4212 under the pushing of the piston rod 422, and the water injection is completed. If the motor 21 continuously rotates, the piston rod 422 is controlled to reciprocate in the piston cylinder 421 for a plurality of times through the transmission chain 23 and the second transmission group 41, so that continuous water injection is realized. Since the first check valve 51 and the second check valve 52 are elastically movably connected in the water inlet 4211 and the water injection port 4212, when the internal and external air pressures of the water inlet 4211 and the water injection port 4212 are balanced, the first check valve 51 and the second check valve 52 are moved by the elastic force to close the water inlet 4211 and the water injection port 4212.

Referring to fig. 9, a driving wave box 1 in a second embodiment is shown, which is different from the first embodiment in that a first toothed chain 313 in the second embodiment is composed of a straight gear and a first bevel gear coaxially connected, and a second bevel gear coaxially connected with an impeller 322, wherein the straight gear is meshed with the first gear 311 and is jointly connected to a gear rack 13 in a rotating manner, and the second bevel gear is exposed on a pump body 321 and is meshed with the first bevel gear. In the present embodiment, the above-described structural arrangement of the first toothed chain 313 enables the impeller 322 to be more stable during the continuous rotation.

Referring to fig. 10-12, a drive wave box 1 in a third embodiment is shown, which differs from the first embodiment in that the housing 10 in the third embodiment only comprises a detachably connected first housing 11 and second housing 12. In this embodiment, the first housing 11 and the second housing 12 are detachably connected by a snap connection, so as to facilitate quick assembly and disassembly of the housing 10. The first housing 11 and the second housing 12 are connected to form a housing cavity 100, and the housing cavity 100 is used for mounting the driving assembly 20, the water jet assembly 40 and the first transmission set 31. The first housing 11 and the second housing 12 are connected to form a fixing chamber 200, and the fixing chamber 200 is communicated with the accommodating chamber 100 for fixedly connecting the water pump 32. It should be noted that, in the present embodiment, the above arrangement of the housing 10 can make the structure thereof more compact, which is advantageous for further reducing the overall size of the driving wave box 1.

The difference from the first embodiment is that an inner cavity 224 is formed on the side of the base plate 220 opposite to the motor 21 in the third embodiment, the transmission chain 23 is rotatably connected to the inner cavity 224, and a through hole 225 is formed on the side of the inner cavity 224 facing the first transmission set 31 and the second transmission set 41, so that the transmission chain 23 can be exposed on the base plate 220 through the through hole 225. In this embodiment, the base 220 is fixed to the switch 14 and driven by the switch to rotate relative to the motor 21, and a protrusion protruding from the outer portion of the base 220 is rotatably connected to the sliding hole 121. When the base plate 220 is controlled to rotate relative to the motor 21, the drive chain 23 may rotate therewith into engagement with either the first drive-group 31 or the second drive-group 41.

The difference from the first embodiment is that the first gear 311 is rotatably connected in the housing cavity 100 in the third embodiment, and the first gear 311 is configured as a double gear, the gear with the larger reference circle in the first gear 311 is meshed with the transmission chain 23, and the gear with the smaller reference circle in the first gear 311 is meshed with the first tooth chain 311. The first toothed chain 313 is composed of a crown gear and a long shaft, wherein the crown gear is fixed with the impeller 322 through the long shaft, and the crown gear is meshed with the first gear 311 to be driven by the crown gear to drive the impeller 322 to rotate. In the present embodiment, the first gear 311 and the first toothed chain 313 are disposed to cooperate with the housing 10, so that the overall size of the driving wave box 1 can be effectively reduced.

The difference from the first embodiment is also that the second toothed chain 413 in the third embodiment is constituted by a single double gear which is able to reduce the length of the second transmission set 41 to further reduce the overall size of the drive wave box 1 while cooperating with the third gear 411 and the fourth gear 412 to maintain the reduction transmission torque. In the third embodiment, the positioning post 423 is detachably and rotatably connected to the housing 10, so as to facilitate replacement of the springs 424 with different elastic forces, so that the driving wave box 1 can adjust different ranges as required.

For clarity, certain features of the utility model that are described in the context of separate embodiments may also be provided in combination in a single embodiment. Furthermore, the various features of the utility model which are described in the context of a single embodiment may also be used in combination in a subcombination, alone or in any suitable manner.

Claims (14)

1. The driving wave box for the water gun is characterized by comprising a driving assembly, a water pumping assembly and a water jetting assembly which are driven to rotate by the driving assembly respectively, wherein the driving assembly comprises a water inlet, a water outlet and a water inlet, wherein the water inlet is connected with the water inlet, the water outlet is connected with the water outlet, and the water outlet is connected with the water inlet through the water inlet

The driving assembly comprises a motor, a rotating part rotationally connected with the motor and a transmission chain connected to the rotating part, wherein the input end of the transmission chain is fixed with the output shaft of the motor, and the output end of the transmission chain is rotationally connected to the rotating part;

the water pumping assembly comprises a first transmission group and a water pump which are connected, and the water injection assembly comprises a second transmission group and a water injection pump which are connected, wherein the first transmission group and the second transmission group are respectively connected with the output end of the transmission chain in a meshed manner along with the rotation of the rotating part.

2. A drive wave box for a water gun according to claim 1, wherein the rotating member comprises a base plate, the base plate is rotatably connected to the output shaft of the motor, and the transmission chain is rotatably connected to a side of the base plate facing away from the motor.

3. The driving wave box for a water gun according to claim 2, wherein a first cavity is formed on one side of the base plate opposite to the motor, and a part of the motor is accommodated and connected in the first cavity; a second cavity is formed on one side of the substrate, opposite to the motor, the second cavity is rotatably connected with the transmission chain, and the second cavity is communicated with the first transmission group and two sides of the second transmission group.

4. A drive wave box for a water gun according to claim 2, wherein the transmission chain comprises meshed input teeth and output teeth, the input teeth being fixed to an output shaft of the motor, the output teeth being meshably connected to the first transmission set and the second transmission set, respectively, as the base plate rotates.

5. A drive wave box for a water gun according to claim 2, wherein an inner cavity is formed on the side of the base plate opposite to the motor, the transmission chain is rotatably connected in the inner cavity, and a through hole is formed on the side of the inner cavity facing the first transmission group and the second transmission group.

6. The driving wave box for the water gun according to claim 1, wherein the water pump comprises a pump body and an impeller, a cavity is arranged in the pump body, and the cavity comprises a water inlet and a water outlet; the impeller is rotatably connected in the cavity, and is coaxially connected with part of the first transmission group.

7. A drive wave box for a water gun according to claim 6, wherein the first transmission group comprises a first gear wheel, the first gear wheel is in meshed connection with the output end of the transmission chain, and the first gear wheel is coaxially connected with the impeller, or the first gear wheel is in transmission connection with the impeller through a first toothed chain.

8. The driving wave box for the water gun according to claim 1, wherein the water jet pump comprises a piston cylinder, a piston rod, a positioning column and a spring, wherein the piston cylinder is provided with a water inlet and a water jet, a first one-way valve is connected in the water inlet, and a second one-way valve is connected in the water jet; the piston rod is movably connected in the piston cylinder, a sealing ring is arranged at the end part of the piston rod, which is positioned in the piston cylinder, and an escalator tooth is arranged on the side wall of the piston rod, which is positioned outside the piston cylinder, and the escalator tooth is in meshed connection with the second transmission group; the positioning column is arranged relative to the opening end of the piston cylinder; the spring is connected between the positioning column and the piston rod.

9. A drive wave box for a water gun according to claim 8, wherein the second transmission set comprises a third gear meshably connected with the ladder teeth, a fourth gear meshably connected with the output end of the transmission chain, and a second toothed chain meshably connected between the third gear and the fourth gear.

10. A drive bellows according to claim 9, wherein the second transmission group further comprises a ratchet wheel and a ratchet member, the ratchet wheel is connected to the third gear and/or the fourth gear, the inner wall of the ratchet wheel is provided with a ratchet ring, the ratchet member is fixed in the ratchet wheel, and the outer wall of the ratchet member protrudes outwards to have at least one pawl, and the pawl is engaged with the ratchet ring.

11. A driving wave box for a water gun according to any one of claims 1 to 10, further comprising a housing, wherein a housing cavity and a motor compartment are arranged in the housing, the housing cavity is connected with the rotating member and the water jet assembly, the motor is fixed in the motor compartment, and the rotating member is rotatably connected between the motor compartment and the inner wall of the housing cavity.

12. The driving wave box for a water gun according to claim 11, wherein the housing comprises a first housing and a second housing which are detachably connected, and a gear rack which is detachably connected with the second housing, the first housing and the second housing are connected to form the accommodating cavity, an opening is formed in a cavity wall of the accommodating cavity relative to the position of the first transmission group, the motor bin is arranged in the first housing, a sliding hole is formed in the second housing, and an output end of the transmission chain or the rotating piece is connected to the housing in a sliding manner through the sliding hole; the gear frame is rotatably connected with the first transmission group.

13. The drive wave box for a water gun according to claim 11, wherein the housing comprises a first housing and a second housing which are detachably connected, the first housing and the second housing are connected to form the accommodating cavity, and the first transmission group is further connected in the accommodating cavity; the first shell is connected with the second shell to form a fixed cavity, the fixed cavity is communicated with the accommodating cavity, and the water pump is fixedly connected in the fixed cavity; the motor bin is arranged in the first shell, a sliding hole is formed in the second shell, and the output end of the transmission chain or the rotating piece penetrates through the sliding hole to be connected to the shell in a sliding mode.

14. A toy water gun comprising a drive wave box for a water gun according to any one of claims 1-13.