CN219848159U - Driving device for foam spraying toy - Google Patents

Abstract

The utility model provides a driving device of a foam injection toy, which comprises a foam generation cylinder, a piston movably connected in the foam generation cylinder and a driving component for driving the piston to reciprocate, wherein an inner cavity, an injection section and a suction section which are respectively communicated with the inner cavity are arranged on the foam generation cylinder, a liquid inlet and a gas inlet are formed on the outer wall of the suction section, and at least one foaming plate is formed on the inner wall of the suction section and/or the injection section; the piston comprises a sealing head and a connector which are connected, the sealing head is movably connected in the inner cavity, and the connector is connected with the driving assembly and driven by the driving assembly to reciprocate; the driving assembly comprises a motor and a transmission gear set, and the transmission gear set is in transmission connection between the motor and the connector. The driving device has high foam forming rate, is simple to operate, and can be controlled to generate and emit a large amount of foam by starting the power-on control motor.

Description

Driving device for foam spraying toy

Technical Field

The utility model relates to the technical field of foam spraying toys, in particular to a driving device of a foam spraying toy.

Background

The foam spraying toy is a toy capable of converting foaming liquid into foam to be sprayed, such as a foam generating and emitting device for a toy gun provided by Chinese patent CN215962151U, wherein a motor drives a piston to move so as to stir the foaming liquid to form foam and then spray the foam. The foam generating and transmitting device adopts a mode that the motor drives the eccentric wheel to push the soft rubber small piston to move to stir foaming liquid to form foam, however, the mode that the soft rubber small piston is adopted to stir to form foam has the defect of insufficient foaming rate.

Disclosure of Invention

The utility model aims to provide a driving device of a foam spraying toy, which aims to solve the problem that the foaming rate is not high enough in the prior art.

In order to achieve the above objects, the present utility model provides a driving device of a bubble jet toy, comprising a bubble generating cylinder, a piston movably connected to the bubble generating cylinder, and a driving assembly driving the piston to reciprocate, wherein,

the foam generating cylinder is provided with an inner cavity, an injection section and a suction section which are respectively communicated with the inner cavity, a liquid inlet and a gas inlet are formed on the outer wall of the suction section, and at least one foaming plate is formed on the inner wall of the suction section and/or the injection section;

the piston comprises a sealing head and a connector which are connected, the sealing head is movably connected in the inner cavity, and the connector is connected with the driving assembly and driven by the driving assembly to reciprocate;

the driving assembly comprises a motor and a transmission gear set, and the transmission gear set is in transmission connection between the motor and the connector.

Preferably, each foaming plate is provided with a plurality of through holes.

Preferably, the number of the foaming plates is two, one of the foaming plates is located at a position perpendicular to the moving direction of the piston in the inner wall of the injection section, and the other foaming plate is located at a position perpendicular to the liquid inlet direction of the liquid inlet in the suction section.

As a preferred scheme, the foam generating cylinder comprises a cylinder body, a T-shaped pipe fixed on the cylinder body, a nozzle fixed on the T-shaped pipe, a foaming pipe fixed on the T-shaped pipe and a connecting pipe fixed on the foaming pipe, wherein the cylinder body is internally provided with an inner cavity, the T-shaped pipe is communicated with the inner cavity, the nozzle and the foaming pipe, a foaming plate is arranged in the T-shaped pipe, another foaming plate is arranged in the foaming pipe, the connecting pipe is communicated with the foaming pipe, and the connecting pipe is provided with a liquid inlet and an air inlet.

As a preferable scheme, the connector comprises two parallel connecting rods, two opposite sides of the two connecting rods are respectively provided with a rack, and the two racks are arranged in a staggered mode.

Preferably, the transmission gear group comprises a first gear, the gear surface of the first gear is provided with adjacent ring teeth and half teeth, the ring teeth are staggered with the racks, and the half teeth are arranged corresponding to the racks and are respectively detachably meshed with the two racks along with the rotation of the first gear.

Preferably, the transmission gear group further comprises a second gear meshed with the ring gear, a third gear fixed with a rotating shaft of the motor, and a fourth gear meshed with the second gear and the third gear respectively, wherein two gears with different reference circle diameters are arranged on the second gear and the fourth gear respectively.

Preferably, the ring gear is meshed with the pinion of the second gear, the transmission ratio of the ring gear and the pinion is greater than one, the large gear of the second gear is meshed with the pinion of the fourth gear, the transmission ratio of the large gear of the fourth gear and the pinion of the third gear is greater than one, and the transmission ratio of the large gear of the fourth gear and the transmission ratio of the third gear is greater than one.

The foam generating device is characterized by further comprising a shell, wherein a first cavity for fixing the foam generating cylinder, a second cavity for connecting the piston and the transmission gear set and a third cavity for fixing the motor are sequentially arranged in the shell.

Preferably, a liquid outlet is formed in the position, adjacent to the opening end of the inner cavity, of the ground side of the first cavity, a limiting plate is arranged between the first cavity and the second cavity, and the limiting plate is in abutting connection with the sealing head.

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 device of the foam spraying toy provided by the utility model adopts at least one foaming plate formed in the suction section and/or the ejection section of the foam generating cylinder, and simultaneously, the suction section is provided with a liquid inlet and an air inlet, and the driving gear group drives the piston to reciprocate in the foam generating cylinder, so that foaming liquid is sucked into the suction section to form foam and finally ejected from the ejection section. In the process of sucking foaming liquid by reciprocating the piston, external air also enters the suction section through the air inlet, so that the foaming liquid is fully contacted with the air, and further the foaming rate of the foaming liquid can be obviously improved under the turbulent flow action of the foaming plate in the suction section and/or the ejection section, so that the driving device can continuously spray a large amount of foam. Compared with the prior art, the driving device of the foam injection toy provided by the utility model has higher foam forming rate, is simple to operate, and can control the driving device to generate and emit a large amount of foam by starting the power-on control motor.

Drawings

Fig. 1 is a schematic structural diagram of a driving device according to an embodiment of the utility model.

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

Fig. 3 is a schematic view of the foam-generating cartridge, piston and drive assembly of fig. 1 connected within a housing.

Fig. 4 is a schematic internal cross-sectional view of the driving device of fig. 1.

Fig. 5 is a schematic view of the driving device of fig. 4 in internal section during operation.

In the figure: 1-a driving device; 10-a housing; 11-a first cavity; 111-a liquid outlet; 12-a second chamber; 121-limiting plates; 13-a third chamber; 20-a foam generating cylinder; 21-a cylinder; 211-lumen; 22-T-shaped pipe; 23-nozzles; 24-fixing the tube; 25-foaming tube; 26-connecting pipes; 261-liquid inlet; 262-air inlet; 201-an ejection section; 202-an intake section; 203-foaming plate; 2031-a through hole; 30-a piston; 31-sealing heads; 32-a connector; 321-connecting rods; 322-rack; 33-connecting segment; 40-a drive assembly; 41-an electric motor; 42-a set of drive teeth; 421-first gear; 4211-ring teeth; 4212-half teeth; 422-a second gear; 423-third gear; 424-fourth gear.

Detailed Description

Reference will now be made in detail to the present examples of the present utility model, preferred embodiments 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 functionality 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 5, the present embodiment provides a driving device 1 of a foam spraying toy, which includes a housing 10, a foam generating cylinder 20 fixed in the housing 10, a piston 30 movably connected in the foam generating cylinder 20, and a driving assembly 40 for driving the piston 30 to reciprocate. In other embodiments of the present utility model, the driving device 1 may not be provided with the housing 10, and the foam generating cylinder 20, the piston 30 and the driving assembly 40 may be directly installed in the housing of the foam injection toy.

The housing 10 has a first chamber 11 for holding the foam generating cartridge 20, a second chamber 12 for connecting the piston 30 and the partial drive assembly 40, and a third chamber 13 for holding another partial drive assembly 40, arranged therein in this order. In this embodiment, a liquid outlet 111 is formed on the ground side of the first cavity 11 adjacent to the open end of the foam generating cylinder 20 for connecting with an external liquid storage bottle, so that the residual foam liquid in the foam generating cylinder 20 can flow back into the liquid storage bottle through the liquid outlet 111, thereby improving the utilization rate of the foam liquid. A limiting plate 121 is disposed between the second chamber 12 and the first chamber 11, and the limiting plate 121 is in abutting connection with a portion of the piston 30, thereby limiting the moving distance of the piston 30. In other embodiments of the present utility model, the liquid outlet 111 may also be directly connected to the external space of the housing of the foam injection toy, so that the residual liquid in the foam generating cylinder 20 may be directly discharged through the liquid outlet 111 under the action of gravity. The first chamber 11 may not be provided with the liquid outlet 111.

In order to facilitate production and assembly, the foam generating cylinder 20 provided in this embodiment is formed by plugging and fixing six pipes with different sizes and shapes, and includes a cylinder 21, a tee 22 fixed on the cylinder 21, a nozzle 23 fixed on the tee 22, a fixing pipe 24 fixed on the tee 22, a foaming pipe 25 fixed on the fixing pipe 24, and a connecting pipe 26 fixed on the foaming pipe 25. It will be appreciated that the connection structure of the foam generating cartridge 20 is arranged such that it is generally in the form of a T-shaped cartridge comprising a cavity, an ejection section 201 and a suction section 202 in communication. In other embodiments of the present utility model, the foam generating tube 20 may not be provided with the fixing tube 24, and the foam generating tube 25 may be directly fixed to the tee 22. The composition and connection structure of the foam generating cylinder 20 can also be changed adaptively according to different manufacturing processes and requirements, for example, the foam generating cylinder 20 can be an integrally formed structure, or the foam generating cylinder 20 can be formed by connecting and fixing other pipelines with different numbers, sizes and shapes.

It should be noted that, the inner cavity 211 is disposed in the cylinder 21, the inner cavity 211 is used as a cavity of the T-shaped cylinder, and serves to accommodate the foaming liquid and the foam, and to move the piston 30 of the connecting portion, one of the open ends of the inner cavity 211 is disposed adjacent to the liquid outlet 111, so that the foaming liquid residual liquid in the inner cavity 211 can flow out of the housing 10 through the liquid outlet 111.

The part of the tee pipe 22, which is in the same direction as the cylinder 21, is connected with the nozzle 23, and is used as an ejection section 201 of the tee pipe, so that the foam in the inner cavity 211 and the ejection section 201 can be ejected from the opening of the nozzle 23 under the thrust of the piston 30, thereby realizing the function of ejecting the foam by the driving device 1. In this embodiment, a foaming plate 203 is disposed on the inner wall of the T-shaped tube 22 at a position perpendicular to the moving direction of the piston 30, and a plurality of through holes 2031 are formed on the foaming plate 203 for forming more foam under the turbulence action of the plurality of through holes 2031 during the forced movement of the foam and foaming liquid, so as to increase the foaming rate. In other embodiments of the present utility model, the foam sheet 203 may not be provided in the tee 22, or two or more foam sheets 203 may be provided in the tee 22.

The T-shaped tube 22 is connected to the fixed tube 24, the foaming tube 25 and the connecting tube 26 at a portion perpendicular to the cylinder 21, and is used as a suction section 202 of the T-shaped cylinder for allowing the external foaming liquid to enter the inner cavity 211 from the connecting tube 26 under the suction force formed by the movement of the piston 30. In this embodiment, the outer wall of the connecting tube 26 is provided with a liquid inlet 261 and an air inlet 262, and the liquid inlet 261 is connected with an external liquid storage bottle through a pipeline, so that the foaming liquid in the liquid storage bottle can enter the suction section 202 through the liquid inlet 261. The air inlet 262 is used to allow external air to enter the suction section 202 with the foaming liquid so that the foaming liquid can be fully contacted with the air, which is beneficial to generating a large amount of bubbles. The inner wall of the foaming tube 25 is also provided with a foaming plate 203 at a position perpendicular to the liquid inlet direction, when the foaming liquid is forced to flow through the foaming plate 203, a large amount of foam can be further formed through the turbulence effect of the through holes 2031, the foam is sucked into the inner cavity 211 along with a small amount of foaming liquid, and the foam is foamed again through the foaming plate 203 in the injection section 201 during injection, so that the driving device 1 is ensured to have a higher Cheng Mo rate, and the driving device 1 has the functions of continuously generating and injecting a large amount of foam. In other embodiments of the present utility model, the foam tube 25 may not be provided with the foam plate 203, or two or more foam plates 203 may be provided in the foam tube 25.

In this embodiment, the piston 30 includes a sealing head 31, a connecting head 32, and a connecting section 33 connected between the sealing head 31 and the connecting head 32. The sealing head 31 is movably connected to the inner cavity 211, and a sealing ring is fixed on the sealing head 31, so that when the sealing head 31 is controlled to reciprocate in the inner cavity 211, a negative pressure can be formed in the inner cavity 211 to suck the foaming liquid, and the sealing head 31 adopts an existing structure, so that details are omitted herein. The connector 32 comprises two parallel connecting rods 321, two racks 322 are respectively arranged on two opposite sides of the two connecting rods 321, the two racks 322 are arranged in a staggered mode and used for being connected with the driving assembly 40 and driven to reciprocate by the driving assembly, and then the connecting section 33 drives the sealing head 31 to reciprocate in the inner cavity 211, and in the process, the sealing head 31 is connected with the limiting plate 121 in a collision mode. In other embodiments of the present utility model, the piston 30 may be provided without the connecting section 33, and the sealing head 31 is directly connected to the connecting head 32. The connecting head 32 may not be provided with the connecting rod 321 and the rack 322, and the connecting head 32 may be connected with the driving assembly 40 through an eccentric structure, and the driving assembly 40 may still drive the connecting head 32 to reciprocate through the eccentric structure when started.

The drive assembly 40 comprises a motor 41 and a set of gear teeth 42, wherein the motor 41 is fixed in the third chamber 13 and the set of gear teeth 42 is rotatably connected in the second chamber 12. The driving gear set 42 is connected between the motor 41 and the connector 32 in a driving manner, and is used for driving the connector 32 to reciprocate. In the present embodiment, the gear set 42 includes a first gear 421, a second gear 422, a third gear 423 and a fourth gear 424. In other embodiments of the present utility model, the gear set 42 may be provided as a gear chain engaged and connected by other gears, or the gear set 42 may be a combination of gears and a belt to achieve the transmission between the motor 41 and the connector 32.

It will be appreciated that the tread of the first gear 421 is provided with adjacent ring teeth 4211 and half teeth 4212, wherein the ring teeth 4211 are offset from the racks 322, and the half teeth 4212 are provided corresponding to the racks 322 and are respectively detachably engaged with the two racks 322 as the first gear 421 rotates. The second gear 422 is meshed with the ring gear 4211, the third gear 423 is fixed with the rotating shaft of the motor 41, the fourth gear 424 is meshed with the second gear 422 and the third gear 423 respectively, when the motor 41 is started, the first gear 421 can be driven to rotate through the third gear 423, the fourth gear 424, the second gear 422 and the ring gear 4211, and at the moment, the half gear 4212 is meshed with the two racks 322 in sequence in the rotating process and drives the two racks to move, so that the reciprocating movement of the connecting head 32 is realized.

It should be noted that, the second gear 422 and the fourth gear 424 are respectively provided with two gears having different reference circle diameters, so as to realize speed change. Specifically, the pinion gear of the second gear 422 is meshed with the ring gear 4211 and the gear ratio of the pinion gear and the ring gear is greater than one, the gear ratio of the bull gear of the second gear 422 is meshed with the pinion gear of the fourth gear 424 and the gear ratio of the pinion gear is greater than one, and the gear ratio of the bull gear of the fourth gear 424 is meshed with the third gear 423 and the gear ratio of the bull gear and the ring gear is greater than one. I.e. the set of driving teeth 42 is provided as a reduction gear set by which the piston 30 is guaranteed to move at a constant small rate for preventing the piston 30 from breaking up foam due to excessive impact, thereby affecting the foaming rate.

The driving device 1 provided in this embodiment generally operates by controlling the motor 41 to start and drive the connector 32 to reciprocate through the gear set 42, and in the process that the half teeth 4212 continuously rotate along with the ring teeth 4211, the half teeth 4212 are respectively engaged with the two opposite racks 322 to push the two connecting rods 321 to move in opposite directions, so as to drive the connector 32 to drive the sealing head 31 to reciprocate in the inner cavity 211. In the process that the piston 30 is driven by the driving gear group 42 to continuously reciprocate in the inner cavity 211, external foaming liquid enters the suction section 202 through the liquid inlet 261, external air enters the suction section 202 through the air inlet 262, and at the moment, the foaming liquid in the suction section 202 and the air are fully contacted and disturbed by the foaming plate 203 to generate a large amount of foam; when the foam is forced to flow towards the nozzle 23, the foam is secondarily foamed by the foaming plate 203 in the injection section 201 to form more foam, so that the driving device 1 can continuously generate and inject a large amount of foam.

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 (10)

1. A driving device of a foam spraying toy is characterized by comprising a foam generating cylinder, a piston movably connected in the foam generating cylinder and a driving component for driving the piston to reciprocate, wherein the driving component comprises a driving mechanism, a driving mechanism and a driving mechanism,

the foam generating cylinder is provided with an inner cavity, an injection section and a suction section which are respectively communicated with the inner cavity, a liquid inlet and a gas inlet are formed on the outer wall of the suction section, and at least one foaming plate is formed on the inner wall of the suction section and/or the injection section;

the piston comprises a sealing head and a connector which are connected, the sealing head is movably connected in the inner cavity, and the connector is connected with the driving assembly and driven by the driving assembly to reciprocate;

the driving assembly comprises a motor and a transmission gear set, and the transmission gear set is in transmission connection between the motor and the connector.

2. The driving device of the foam spraying toy according to claim 1, wherein each of the foaming plates is provided with a plurality of through holes.

3. The driving device of the foam injection toy according to claim 2, wherein the number of the foaming plates is two, one of the foaming plates is located at a position perpendicular to the moving direction of the piston in the inner wall of the injection section, and the other foaming plate is located at a position perpendicular to the liquid inlet direction of the liquid inlet in the suction section.

4. A driving device of a foam spraying toy according to claim 3, wherein the foam generating cylinder comprises a cylinder body, a T-shaped pipe fixed on the cylinder body, a nozzle fixed on the T-shaped pipe, a foaming pipe fixed on the T-shaped pipe, and a connecting pipe fixed on the foaming pipe, wherein the inner cavity is arranged in the cylinder body, the T-shaped pipe is communicated with the inner cavity, the nozzle and the foaming pipe, and the foaming plate is arranged in the T-shaped pipe, the foaming pipe is internally provided with another foaming plate, the connecting pipe is communicated with the foaming pipe, and the liquid inlet and the air inlet are formed in the connecting pipe.

5. The driving device of the foam spraying toy according to any one of claims 1 to 4, wherein the connecting head comprises two parallel connecting rods, two opposite sides of the two connecting rods are respectively provided with a rack, and the two racks are arranged in a staggered manner.

6. The driving device of the foam injection toy according to claim 5, wherein the transmission gear group includes a first gear, a gear face of the first gear is provided with adjacent ring teeth and half teeth, the ring teeth are offset from the racks, and the half teeth are provided corresponding to the racks and are detachably engaged with the two racks, respectively, as the first gear rotates.

7. The driving device of the foam injection toy according to claim 6, wherein the transmission gear group further comprises a second gear meshed with the ring gear, a third gear fixed with a rotating shaft of the motor, and a fourth gear meshed with the second gear and the third gear, respectively, wherein two gears with different reference circle diameters are respectively arranged on the second gear and the fourth gear.

8. The driving device of the foam-jetting toy according to claim 7, wherein the ring gear is engaged with the pinion of the second gear and the gear ratio thereof is greater than one, the large gear of the second gear is engaged with the pinion of the fourth gear and the gear ratio thereof is greater than one, and the large gear of the fourth gear is engaged with the third gear and the gear ratio thereof is greater than one.

9. The driving device for a foam-jetting toy according to any one of claims 1 to 4, further comprising a housing, wherein a first chamber for fixing the foam-generating cylinder, a second chamber for connecting the piston and the gear set, and a third chamber for fixing the motor are sequentially provided in the housing.

10. The driving device of the foam-jetting toy according to claim 9, wherein the ground-facing side of the first chamber is provided with a liquid outlet adjacent to the open end of the inner chamber, and a limiting plate is disposed between the first chamber and the second chamber, and is in abutting connection with the sealing head.