CN216395256U

CN216395256U - Toy fire engine

Info

Publication number: CN216395256U
Application number: CN202122636093.5U
Authority: CN
Inventors: 蔡丽芬
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-04-29
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses a toy fire engine, comprising: the water pump comprises a vehicle body, a movable arm mechanism, a water tank, a water spraying pipeline and a water pumping wave box. The vehicle body is provided with a vehicle head and a vehicle body connected with the vehicle head. The movable arm mechanism is movably connected to the vehicle body, and an injection head is arranged at the end part of the movable arm mechanism. The water tank is arranged on the vehicle body. The water spraying pipeline is connected with the water tank, extends from the vehicle body to the movable arm mechanism and is communicated with the spraying head. The water pumping wave box is arranged on the vehicle body and comprises a box body, a rotary disc arranged on the box body and an eccentric shaft connected to the rotary disc, and in the rotating process of the rotary disc, the eccentric shaft extrudes the water spraying pipeline to drive liquid in the water spraying pipeline to be sprayed out by the spraying head. The utility model provides a toy fire engine extrudees the spray pipe way through setting up the eccentric shaft and spouts with drive rivers, simple structure, and it is effectual to spray water, has improved the interest of toy.

Description

Toy fire engine

Technical Field

The utility model relates to the technical field of toys for children, in particular to a toy fire truck.

Background

Most of the existing toy fire-fighting vehicles only have similar appearance models, and do not simulate the operation actions of the fire-fighting vehicles, such as water spraying operation, so that the interestingness is low. The function of spraying water is realized on some fire-fighting toy vehicles, but the water pump and other complex structures are often adopted for realizing, so that the overall structure of the toy is complex, the cost is high, and the durability is poor.

In view of the above, the present invention is particularly proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide a toy fire truck, which realizes a water spraying function through a simple structure, improves the interestingness and continuously attracts the interest of children.

The application provides the following technical scheme:

a toy fire truck comprising:

the vehicle body is provided with a vehicle head and a vehicle body connected with the vehicle head;

the movable arm mechanism is movably connected to the vehicle body, and an injection head is arranged at the end part of the movable arm mechanism;

the water tank is arranged on the vehicle body;

the water spraying pipeline is connected with the water tank, extends from the vehicle body to the movable arm mechanism and is communicated with the spraying head;

the water pumping wave box is arranged on the vehicle body and comprises a box body, a rotary disc arranged on the box body and an eccentric shaft connected to the rotary disc, and in the rotating process of the rotary disc, the eccentric shaft extrudes the water spraying pipeline to drive liquid in the water spraying pipeline to be sprayed out by the spraying head.

Optionally, an arc-shaped edge is arranged on the box body, the arc-shaped edge extends along the circumferential direction of the turntable, and a pipe section of the water spray pipeline is located on one side of a concave surface of the arc-shaped edge.

Optionally, the pumping wave box comprises a first motor and a first transmission gear train, the first motor is connected with an input end gear of the first transmission gear train, and an output end gear of the first transmission gear train is connected with the rotary disc.

Optionally, the turntable is circumferentially provided with three eccentric shafts, each eccentric shaft is sleeved with a roller, and the inner diameter of each roller is larger than the diameter of the cross section of each eccentric shaft.

Optionally, be provided with the fluted disc on the automobile body, the digging arm mechanism includes the housing, connects the long arm body of housing and setting are in rotary drive device in the housing, the housing with the automobile body rotationally connects, rotary drive device has drive gear, drive gear with the fluted disc meshes mutually.

Optionally, a central groove is arranged in the middle of the fluted disc, and the water spraying pipeline penetrates through the central groove.

Optionally, the rotary driving device includes a second motor and a second reduction gear train, the second motor is in transmission connection with an input end gear of the second reduction gear train, an output end gear of the second reduction gear train is a clutch gear, the clutch gear includes a lower transmission body and an upper transmission body, transmission teeth are arranged on the lower transmission body along the circumferential direction, a through hole is arranged in the middle of the lower transmission body, the upper transmission body is connected with a transmission shaft, the transmission shaft penetrates through the through hole, the bottom end of the transmission shaft is provided with the driving gear, the upper transmission body has a transmission state of rotating integrally with the lower transmission body in a joint manner, and the upper transmission body has a separation state of ascending and separating from the lower transmission body.

Optionally, a plurality of lower convex teeth are arranged at the bottom end of the upper moving body along the circumferential direction, a plurality of upper convex teeth are arranged at the top of the lower moving body along the circumferential direction, the upper convex teeth are meshed with the lower convex teeth, a convex column is arranged on the moving shaft, a spring is sleeved on the moving shaft, one end of the spring is connected with the convex column, the other end of the spring penetrates through the through hole to be connected with the upper convex teeth, and the spring is in a stretching state.

Optionally, the toy fire truck still includes the adapter, the adapter is fixed on the automobile body, the water spray pipe has first pipeline and second pipeline, first pipeline is connected respectively the water tank with the one end of adapter, the both ends of second pipeline are connected respectively the other end of adapter with the injector head.

Optionally, the vehicle head comprises a vehicle head body and a front safety shell, the front safety shell is provided with a clamping groove and an assembling positioning column, and the vehicle head body is provided with a clamping jaw and a positioning hole;

the front safety shell covers the vehicle head body, the clamping jaws are in clamping fit with the clamping grooves, and the assembling positioning columns are inserted into the positioning holes.

By adopting the technical scheme, the utility model has the following beneficial effects:

the utility model provides a toy fire engine extrudees the spray pipe way through setting up the eccentric shaft and spouts with drive rivers, and water spray simple structure sprays water effectually, has improved the interest of toy.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model to its proper form. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is a perspective view of a toy fire truck according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of the enclosure of FIG. 1 with a portion removed;

FIG. 3 is a schematic view of the rotary drive apparatus shown in FIG. 2, with the rotary drive apparatus removed;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a schematic diagram of a water pumping bellows of a toy fire truck according to an embodiment of the present application;

FIG. 6 is a view of the box of FIG. 5 with portions broken away;

FIG. 7 is a state view of the nose portion and the front fender casing separated;

FIG. 8 is an enlarged view of portion B of FIG. 7;

FIG. 9 is a schematic view of a drive mechanism with a long arm of a toy fire truck according to an embodiment of the present application;

FIG. 10 is an enlarged view of portion B of FIG. 9;

FIG. 11 is another perspective view of a toy fire truck according to an embodiment of the present application;

fig. 12 is an enlarged view of the portion C in fig. 11.

In the figure, 1, a vehicle body; 11. a headstock; 111. a headstock body; 1111. a claw; 1112. positioning holes; 112. a front fuse housing; 1121. a card slot; 1122. assembling a positioning column; 12. a vehicle body; 121. a fluted disc; 1211. a central slot; 2. a movable arm mechanism; 21. an injector head; 22. a housing; 221. a sector disc; 222. an uplink limit switch; 223. a down limit switch; 23. a long arm body; 231. a main arm body; 232. a telescopic arm; 233. a fence; 234. a drive mechanism; 235. a third motor; 236. a pitch drive train; 2361. an output end gear; 237. a telescopic transmission wheel train; 2371. an output end gear; 238. an elastic member; 24. A rotation driving device; 241. a drive gear; 242. a second motor; 243. a clutch gear; 2431. an upper transmission body; 2432. a lower transmission body; 2433. a drive shaft; 2434. a spring; 3. a water tank; 4. a water spray pipe; 41. a first conduit; 42. a second conduit; 43. an adapter; 5. a water pumping wave box; 51. a box body; 511. an arc-shaped edge; 52. a turntable; 53. an eccentric shaft; 54. rolling; 55. a first motor.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or assembly must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 8, an embodiment of the present application provides a toy fire truck, including: the water-saving device comprises a vehicle body 1, a movable arm mechanism 2, a water tank 3, a water spraying pipeline 4 and a water pumping wave box 5. The vehicle body 1 has a vehicle head 11 and a vehicle body 12 connected to the vehicle head 11. The movable arm mechanism 2 is movably connected to the vehicle body 12, and an injection head 21 is arranged at the end part of the movable arm mechanism 2. The water tank 3 is provided on the vehicle body 12. The water spraying pipe 4 is connected with the water tank 3, and the water spraying pipe 4 extends from the vehicle body 12 to the movable arm mechanism 2 and is communicated with the spraying head 21. The water pumping wave box 5 is arranged on the vehicle body 12, the water pumping wave box 5 comprises a box body 51, a rotary disc 52 arranged on the box body 51 and an eccentric shaft 53 connected to the rotary disc 52, and in the rotating process of the rotary disc 52, the eccentric shaft 53 presses the water spraying pipeline 4 to drive the liquid in the water spraying pipeline 4 to be sprayed out from the spraying head 21. The utility model provides a toy fire engine extrudees spray pipe 4 through setting up eccentric shaft 53 and spouts with drive rivers, simple structure, and it is effectual to spray water, has improved the interest of toy.

Referring to fig. 5 and 6, in a possible embodiment, the box body 51 is provided with an arc-shaped edge 511, the arc-shaped edge 511 extends along the circumferential direction of the rotating disc 52, and the partial pipe section of the water spraying pipe 4 is positioned at the side of the concave surface of the arc-shaped edge 511. The water spraying pipe 4 can be limited by the arc-shaped edge 511, and the eccentric shaft 53 can be ensured to be in extrusion contact with the water spraying pipe 4.

Referring to fig. 6, in a possible embodiment, the water pumping bellows 5 comprises a first motor 55 and a first transmission gear train, the first motor 55 is connected with an input gear of the first transmission gear train, and an output gear of the first transmission gear train is connected with the rotary disc 52. Specifically, the middle part of the output end gear is provided with a connecting shaft, and the turntable 52 is connected to the connecting shaft. The rotation of the output gear drives the rotation of the rotary disk 52 to rotate integrally.

In a possible embodiment, the rotating disc 52 is provided with three eccentric shafts 53 along the circumferential direction, each eccentric shaft 53 is sleeved with a roller 54, and the inner diameter of each roller 54 is larger than the cross-sectional diameter of each eccentric shaft 53.

Thus, when the rotating disc 52 rotates, the three eccentric shafts 53 are driven to rotate, and the three rollers 54 on the three eccentric shafts 53 can rotate around the eccentric shafts 53. The roller 54 can extrude the water spraying pipe 4 made of flexible material, and because the roller 54 can be movably arranged, the extrusion friction force is small and the resistance is small in the rotating state.

Referring to fig. 2 to 4, in a possible embodiment, the body 12 is provided with a toothed disc 121, the movable arm mechanism 2 includes a housing 22, a long arm 23 connected to the housing 22, and a rotation driving device 24 disposed in the housing 22, the long arm 23 is hinged to the housing 22, and a telescopic member is disposed therebetween, and telescopic movement of the telescopic member can drive a pitch angle of the long arm 23. The housing 22 is rotatably connected to the body 12, and the rotary drive device 24 has a drive gear 241, the drive gear 241 being engaged with the toothed disc. The rotation driving mechanism drives the driving gear 241 to rotate, and the driving gear 241 rotates along the gear disc 121, so as to drive the housing 22 and the long arm body 23 to rotate.

A central groove 1211 is disposed in the middle of the fluted disc 121, and the water spraying pipe 4 penetrates through the central groove 1211.

The rotary driving device 24 includes a second motor 242 and a second reduction gear train, the second motor 242 is in transmission connection with an input end gear of the second reduction gear train, an output end gear of the second reduction gear train is a clutch gear 243, the clutch gear 243 has a lower transmission body 2432 and an upper transmission body 2431, transmission teeth are arranged on the lower transmission body 2432 along the circumferential direction, a through hole is arranged in the middle of the lower transmission body 2432, a transmission shaft 2433 is connected to the upper transmission body 2431, the transmission shaft 2433 is arranged through the through hole, the drive gear 241 is arranged at the bottom end of the transmission shaft 2433, the upper transmission body 2431 has a transmission state of being connected with the lower transmission body 2432 to rotate integrally, and the upper transmission body 2431 has a separation state of being lifted and separated from the lower transmission body 2432. Through the setting of separation and reunion gear 243, prevent that the toy fire engine from blocking when dead, causing transmission system to damage.

Optionally, a plurality of lower convex teeth are arranged at the bottom end of the upper transmission body 2431 along the circumferential direction, a plurality of upper convex teeth are arranged at the top of the lower transmission body 2432 along the circumferential direction, the upper convex teeth are engaged with the lower convex teeth, a convex column is arranged on the transmission shaft 2433, a spring 2434 is sleeved on the transmission shaft 2433, one end of the spring 2434 is connected with the convex column, the other end of the spring 2434 passes through the through hole to be connected with the upper convex teeth, and the spring 2434 is in a stretching state. When the toy car is stuck, the upper transmission body 2431 is lifted up in a sliding manner along the upper convex teeth of the lower transmission body 2432, so that the upper convex teeth and the lower convex teeth are separated, and the transmission cooperation between the upper transmission body 2431 and the lower transmission body 2432 is released, thereby preventing the upper transmission body 2431 and the lower transmission body 2432 from being damaged.

Toy fire engine still includes adapter 43, adapter 43 fixes on the automobile body 12, water spray pipe 4 has first pipeline 41 and second pipeline 42, first pipeline 41 is connected respectively the water tank 3 with the one end of adapter 43, the both ends of second pipeline 42 are connected respectively adapter 43's the other end with the injection head 21.

Referring to fig. 7 and 8, the vehicle head comprises a vehicle head body 111 and a front safety shell 112, the front safety shell 112 is provided with a clamping groove 1121 and an assembling positioning column 1122, and the vehicle head body 111 is provided with a clamping claw 1111 and a positioning hole 1112. The front safety shell 112 covers the vehicle head body 111, the clamping claws 1111 and the clamping grooves 1121 are in clamping fit, and the assembling positioning columns 1122 are inserted into the positioning holes 1112. In the embodiment of the application, the front safety shell 112 is directly connected with the vehicle head body 111 without screws, and the front safety shell and the vehicle head body can be directly clamped and assembled, so that the assembly structure is simplified, and the assembly efficiency is improved.

Referring to fig. 9 and 10, the long arm body 23 includes a main arm body 231, a telescopic arm 232 and a driving mechanism 234, the telescopic arm 232 is slidably connected to the main arm 231, a straight rack is arranged on the telescopic arm 232, the end of the telescopic arm 232 is connected with a fence 233, the main arm 231 is rotatably connected with the housing, the cover casing is provided with a sector disc 221, the arc-shaped edge of the sector disc 221 is provided with an arc-shaped rack, the driving mechanism 234 is disposed on the main arm 231, the driving mechanism 234 includes a third electrode 235, a pitch gear train 236 and a telescopic gear train 237, the third electrode 235 is respectively in transmission connection with the pitch transmission gear train 236 and the telescopic transmission gear train 237, the output end gear of the pitching transmission gear train 236 is meshed with the arc-shaped rack, and the output end gear of the telescopic transmission gear train 237 is meshed with the straight rack;

the output end gear 2371 of the telescopic transmission gear train 237 and the output end gear 2361 of the pitching transmission gear train 236 are both clutch gears, each clutch gear comprises a first gear and a second gear, one end of the first gear along the axial direction is circumferentially provided with a plurality of first convex teeth, one end of the second gear along the axial direction is provided with a plurality of second convex teeth, each first convex tooth is meshed with each second convex tooth, an elastic member 238 is further arranged between the first gear or the second gear and the main arm body 231, and under the abutting of the elastic member 238, the first convex teeth of the first gear and the second convex teeth of the second gear keep a meshed state. In this scheme, the every single move of long arm body 23 and a motor drive of telescopic motion sharing, when main arm body 231 was raised, telescopic boom 232 drove rail 233 outwards extension simultaneously, and when falling main arm body 231, telescopic boom 232 drove rail 233 and contracts backward and recovers, can also set up two position limit switch simultaneously, and in addition, this application still is provided with two sets of separation and reunion protection architecture, has protected the structure, has prolonged life.

Referring to fig. 11 and 12, an up limit switch 222 and a down limit switch 223 may be disposed on the housing 22, and when the long arm 23 is lifted to the highest point, the up limit switch 222 may be triggered to control the third motor 235 to stop operating, and when the long arm 23 is lowered to the lowest point, the down limit switch 223 may be triggered to control the third motor 235 to stop operating.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A toy fire truck, comprising:

the water tank is arranged on the vehicle body;

2. A toy fire truck as claimed in claim 1, characterized in that said housing is provided with an arcuate edge extending in the circumferential direction of said turntable, said water spray pipe section being located on the side of a concave surface of said arcuate edge.

3. The toy fire truck of claim 2, wherein the suction bellows includes a first motor and a first drive train, the first motor being coupled to an input gear of the first drive train, an output gear of the first drive train being coupled to the turntable.

4. A toy fire truck as claimed in claim 3, characterized in that the turntable is provided with three eccentric shafts in the circumferential direction, each eccentric shaft being provided with a roller, the roller having an inner diameter larger than the cross-sectional diameter of the eccentric shaft.

5. The toy fire truck of claim 4, wherein a toothed plate is disposed on the body, the moveable arm mechanism includes a housing, an elongate arm connected to the housing, and a rotary drive disposed within the housing, the housing and the body being rotatably connected, the rotary drive having a drive gear that meshes with the toothed plate.

6. The toy fire truck of claim 5, wherein a central slot is provided in a central portion of the toothed disc, and the water spray pipe is disposed through the central slot.

7. The toy fire truck as recited in claim 5, wherein the rotary driving device comprises a second motor and a second reduction gear train, the second motor is in transmission connection with an input end gear of the second reduction gear train, an output end gear of the second reduction gear train is a clutch gear, the clutch gear comprises a lower transmission body and an upper transmission body, transmission teeth are arranged on the lower transmission body along the circumferential direction, a through hole is formed in the middle of the lower transmission body, a transmission shaft is connected with the upper transmission body, the transmission shaft penetrates through the through hole, the driving gear is arranged at the bottom end of the transmission shaft, the upper transmission body has a transmission state of rotating integrally in engagement with the lower transmission body, and the upper transmission body has a separation state of ascending and separating from the lower transmission body.

8. The toy fire truck of claim 7, wherein a plurality of lower teeth are circumferentially disposed at a bottom end of the upper transmission body, a plurality of upper teeth are circumferentially disposed at a top of the lower transmission body, the upper teeth are engaged with the lower teeth, a protruding column is disposed on the transmission shaft, a spring is sleeved on the transmission shaft, one end of the spring is connected to the protruding column, the other end of the spring passes through the through hole and is connected to the upper teeth, and the spring is in a stretched state.

9. The toy fire truck of claim 8, further comprising an adapter, wherein the adapter is fixed to the body, the water spray conduit has a first conduit and a second conduit, the first conduit is connected to the water tank and one end of the adapter, respectively, and the second conduit is connected at its two ends to the other end of the adapter and the spray head, respectively.

10. The toy fire truck of claim 1, wherein the truck head includes a truck head body and a front fender, the front fender having a slot and an assembly locator post, the truck head body having a detent and a locator hole;

11. The toy fire truck of claim 5, wherein the elongate arm body includes a main arm body, a telescoping arm, and a drive mechanism, the telescopic arm is connected with the main arm body in a sliding way, a straight rack is arranged on the telescopic arm, the end part of the telescopic arm body is connected with a fence, the main arm body is rotatably connected with the cover shell, the housing is provided with a sector disc, the arc edge of the sector disc is provided with an arc rack, the driving mechanism is arranged on the main arm body, the driving mechanism comprises a third motor, a pitching transmission gear train and a telescopic transmission gear train, the third motor is respectively in transmission connection with the pitching transmission gear train and the telescopic transmission gear train, an output end gear of the pitching transmission gear train is meshed with the arc-shaped rack, and an output end gear of the telescopic transmission gear train is meshed with the straight rack;

the output gear of the telescopic transmission gear train and the output gear of the pitching transmission gear train are clutch gears, each clutch gear comprises a first gear and a second gear, one end of the first gear in the axis direction is circumferentially provided with a plurality of first convex teeth, one end of the second gear in the axis direction is provided with a plurality of second convex teeth, and the first convex teeth and the second convex teeth are meshed with each other.