KR200420630Y1 - Excavator of toy - Google Patents

Abstract

The present invention relates to a toy excavator, a means for enabling the vertical angular movement of the excavator boom is provided at the rotation point of the boom embedded in the upper body to improve the durability and to adjust the vertical angular movement of the boom like an actual excavator Height adjustment can be made step by step, and the rear end is connected to the front end of the boom, the arm is fixed to the front end of the bucket is vertically angular movement by the operation of the lever, the structure capable of rotating the upper body including the cab It is intended to provide a toy excavator that can maximize the interest in play as well as safety education for children interested in excavators.

Toy excavator, safety training, boom, arm, height adjustment, lever, turning control means, ramp

Description

Toy Excavator {Excavator of toy}

1 and 2 is a perspective view showing a toy excavator according to the present invention,

3 and 4 are perspective views illustrating means for vertically angular movement of the boom and the arm of the toy excavator according to the present invention,

5a and 5b is a cross-sectional view showing a state in which the boom of the toy excavator according to the present invention up and down the boom step by step,

Figure 6 is a configuration of the toy excavator according to the present invention, a main part perspective view illustrating the anti-shake structure of the arm operating bar,

7 and 8 show a part of the upper body of the toy excavator according to the present invention assembled with the traveling device, a perspective view for explaining the turning device,

9a and 9b is a switching structure configured in the swinging device of the toy excavator according to the present invention, a cross-sectional view illustrating the on and off states of the lamps attached to the rear of the upper body, respectively,

10a and 10b is a side view showing a state of angular movement of the arm of the toy excavator according to the present invention up and down,

11 and 12 is a state in which the boom of the toy excavator according to the present invention stepped up and down angular step, respectively, the side view showing the operation of the boom and the lifting operation, respectively,

13a and 13b is a perspective view showing a conventional toy excavator,

<Explanation of symbols for the main parts of the drawings>

10: upper body 12: bottom plate

14: seating groove 16: pedestal

18: boom 20: cylindrical shaft

22: axis of rotation 24: lever

26: coupling end 28: female operating bar

30: traveling device 32: bucket

34: arm 36: cab

38: step surface 40: slot

42: cover plate 44: engaging projection

46: coupling groove 48: the first support piece

50: second support 52: the first tooth

54: first locking step 56: boom cylinder

56 ': piston 58: second tooth

60: second locking end 62: decorative bucket cylinder

64: dark cylinder 64 ': piston

66: lamp 68: assembly hole

70: first contact point 72: second contact point

74: screw 76: cover body

78: current contact

The present invention relates to a toy excavator, and more specifically, it is possible to move up and down angular movement of the boom and the up and down angular movement of the arm connected to the front end of the boom, like an actual excavator, and to rotate the upper body including the cab The lamp attached to the rear of the upper body is made of flashing structure, so that children who are interested in excavators can maximize their interest in play and provide safety education on the safety of excavators. The present invention relates to a toy excavator.

Babies' toys are manufactured based on actual models. For example, airplanes, automobiles, and construction machinery, such as excavators, and these toys are partially implemented to induce children's interest. It is being made to be.

Excavator, which is a kind of construction machine, is manufactured with the structure which can control the vertical movement of the bucket and the vertical angle of the boom to spread the soil. For example, the Republic of Korea Utility Model Publication No. 01203369 "Folding device for fork crane" is disclosed.

13A and 13B showing the technique of the above-described registered utility model publication, the locking piece 113 is fixed to the upper center of the lower cylinders 112 and 112 'coupled to the arm 102, and the lower cylinder ( 112, 112 ') has a structure in which the engaging grooves 115, 115' are formed on the surfaces of the lower pistons 114, 114 'drawn out in the longitudinal direction thereof.

Thus, when the arm 102 is raised or leaned, the lower pistons 114 and 114 'are pulled in and out from the lower cylinders 112 and 112', and at the same time, the locking piece 113 is the locking groove of the lower pistons 114 and 114 '. (115, 115 ') is continuously caught making a sound, and the arm 102 is fixed in the stop position because the locking piece 113 is fitted into the locking groove (115, 115') when the arm 102 stops.

The lifting and bowing operation of the arm is made possible by using the engaging groove and the engaging piece in the straight section, but there are the following problems.

That is, since the locking groove formed along the longitudinal direction on the surface of the lower piston and the locking piece caught in the locking groove are exposed to the outside, there is a disadvantage in that they are easily worn, and in particular, there is a problem of durability that the locking piece easily falls off.

If the locking groove is worn in this way, the supporting action of the locking piece is not performed properly, and as a result, the arm (including the bucket at the front end) is leaned straight to the bottom and no longer lifted up. The support itself does not take place at all, so the arm falls off to the floor.

As a result, the angle adjustment operation of the arm is not made at all due to the wear of the catching groove or the dropping of the catching piece, and thus the infant who is playing gives a proof immediately, and the fork-lane toy is thrown away with neglect. .

In addition, as shown in the accompanying Figure 13b has a disadvantage in that a lot of play occurs in the coupling portion of the operation bar 117 to rotate the bucket 116, a rattling noise, resulting in the operation bar 117 There is a durability problem, such as the deviation.

The present invention has been devised in view of the above, the means for enabling the up and down angular movement of the excavator boom is provided at the rotation point of the boom inherent in the upper body to improve the durability and up and down of the boom like an actual excavator Step height adjustment by angular movement adjustment can be made, and the rear end is connected to the front end of the boom and the bucket is fixed to the front end up and down angular movement by the operation of the lever, the rotation of the upper body including the cab The purpose of the present invention is to provide an excavator for toys that is made of a structure that can be exercised so that children who are interested in excavators can maximize their interest in play.

The present invention for achieving the above object is an upper body including a cab, a traveling device that is assembled to the bottom of the upper body, a boom that is angularly assembled to the front end of the upper body, and the angle to the boom In the toy excavator, which is rotatably assembled and includes an arm in which the bucket is fixed to the front end,

i) means for angling said arm up and down; Ii) means for fixing / supporting the boom at the height and height adjustment and the adjusted height by angular rotation of the boom; Iii) including a swing control means provided in the connecting portion for assembly between the upper body and the traveling device,

i) Means for vertically angularly moving the arm include: a cylindrical shaft internally mounted on the inside of the upper body so as not to be exposed to the outside and integrally formed at a rear end of the boom; A rotating shaft having one end inserted into the cylindrical shaft; A lever inserted into and fixed to the other end of the rotating shaft; A coupling end integrally protruded from a surface of the central portion of the rotation shaft; It is arranged along the bottom space of the boom and the rear end is hinged to the coupling end, the front end is composed of an arm operating bar hinged to the rear end of the arm,

Ii) means for adjusting the vertical height by the angular rotation of the boom and for fixing / supporting the boom at the adjusted height include: a first tooth formed along an outer diameter surface of the cylindrical shaft of the boom; It is assembled to protrude inward to the bottom plate of the upper body, and consists of a first engaging end to be fitted to the first tooth,

Iii) the pivot control means includes a second tooth of a circular section formed on an upper surface of the center of the traveling device; To provide a toy excavator, characterized in that the second engaging end is configured to protrude toward the bottom surface from the upper surface of the bottom of the upper body to be fitted to the second tooth.

In a preferred embodiment, as an auxiliary means for supporting and supporting the boom in the height-adjusted position of the boom, a pair of boom cylinders are attached to the front of the upper body, the upper end of the piston of the boom cylinder on both sides of the boom It is characterized in that it is fixed.

In a more preferred embodiment, between the upper end of the rear end of the arm and the rear end of the bucket is characterized in that the decorative bucket cylinder that the piston is not drawn out.

In addition, the arm cylinder is mounted on the surface of the middle portion of the boom, characterized in that the piston of the arm cylinder is connected to the rear end of the arm to be retractable.

Particularly, a lamp flashing when the upper body is turned is attached to the rear surface of the upper body, and the first contact point and the lamp connected to the inner diameter surface of the assembly hole formed at the center of the second tooth as the blinking means of the lamp. An electrical contact for attaching the second contact to face each other and connecting or short-circuit the first and second contacts to the outer surface of the cover body inserted into the assembly hole so as to be assembled by a screw to the bottom of the upper body. It is characterized in that attached.

On the other hand, the first support piece for holding the arm operating bar to be shaken is formed at equal intervals along both sides in the bottom space of the boom, the pressing projection formed at the end of the arm operating bar is pressed so as not to be separated from the coupling groove of the arm The second supporting piece is formed integrally with the inner wall surface of the arm.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 and 2 are perspective views showing a toy excavator according to the present invention, the upper body 10 including the cab apparently like a typical toy excavator, and a traveling device assembled to the bottom of the upper body ( 30, the boom 18 is angularly assembled to the front end of the upper body 10, and the rear end is assembled to the boom 18 to be rotated angularly and the bucket 32 is fixed to the front end integrally Arm 34.

The present invention is intended to induce children's play interest in the configuration of the basic excavator, i) means for angular movement of the arm 34, and ii) up and down height by angular rotation of the boom 18 Means for fixing / supporting the boom 18 at the adjusted and adjusted height, and iii) Swivel control means provided in the connecting portion for the assembly between the upper body 10 and the traveling device 30 as a main configuration will be.

Looking at the upper body 10 from the front, the cab 36 is disposed on one side, the stepped step surface 38 is formed on the other side, between the cover plate formed with a slot 40 in the vertical direction ( 42) is attached.

At this time, i) the means for angular movement of the arm 34, and ii) the height of the vertical adjustment by the angular rotation of the boom 18 and the means for fixing / supporting the boom 18 at the adjusted height It is installed inside the cover plate 42 of the upper body 10 to be protected from the force.

First, looking at the means for vertically angular movement of the arm as follows.

3 and 4 are perspective views illustrating a means for vertically angular movement of the boom and the arm of the toy excavator according to the present invention.

The bottom plate 12 of the upper body 10 is integrally formed with a plurality of pedestals 16 having semi-circular seating grooves 14 formed therein, and the boom 18 in the seating grooves 14 of the pedestal 16. The cylindrical shaft 20 formed integrally with the rear end of the) is seated.

In addition, the rotary shaft 22, one end of which is inserted into the cylindrical shaft 20, is also seated together in the seating groove 14 of the pedestal 16.

The other end of the rotary shaft 22, the lever 24 is inserted and fixed, the lever 24 is arranged to be operable while exposed to one side (opposite the cab) of the upper body (10).

At this time, the coupling end 26 is integrally formed on the surface of the central portion of the rotating shaft 22, the rear end of the female operation bar 28 is coupled to the coupling end 26 by a hinge.

More specifically, the female actuating bar 28 is arranged along the bottom space of the boom 18 and the rear end thereof is hinged to the coupling end 26, the front end is the rear end of the arm 34 The hinge is fixed to the bottom.

That is, the engaging projection 44 formed at the front end of the female operation bar 28 is hinged rotatably inserted into the coupling groove 46 formed on one side in the bottom space of the rear end of the arm 34.

On the other hand, as shown in the accompanying Figure 6, the first support piece 48 for holding the female operating bar 28 unsteadily is formed at equal intervals along both sides in the bottom space of the boom 18, A second support that can press the engaging projection 44 side to easily prevent the engaging projection 44 of the female operating bar 28 is separated from the engaging groove 46 of the arm 34 The piece 50 is integrally formed on the inner wall surface of the arm 34.

Here, looking at the means for fixing / supporting the boom in the height and height adjustment and the adjusted height by the angular rotation of the boom as follows.

A first toothing 52 is formed along the outer diameter surface of the cylindrical shaft 20 of the boom 18 and protrudes inwardly (upwardly) to the bottom plate 12 of the upper body 10. Achieve by assembling 54, in which the first engaging end 54 is always fitted to the first tooth 52.

Accordingly, when the boom 18 is rotated up and down, the first engaging end 54 is continuously caught along the first teeth 52, and an operation sound for inducing interest is generated, and the boom 18 is desired. When stopped at the height position, the first catching end 54 is supported while being continuously inserted into the first teeth 52, so that the boom 18 is maintained at the desired height position.

At this time, an auxiliary means for preventing sagging due to the weight of the boom 18 is provided, the auxiliary means for supporting and supporting the boom in the height-adjusted position of the boom 18 of the upper body 10 A pair of boom cylinders 56 are attached to the front side.

More specifically, an upper end of the piston 56 'of the pair of boom cylinders 56 is fixed to both sides of the boom 18, and the piston 56' is angularly rotated when the boom 18 is raised. Withdrawal from the boom cylinder (56) and ascends, the boom (18) is to move into the boom cylinder (56) during each rotation of the descending, and eventually supporting the height-adjusted boom (18) to sag due to its own weight To prevent it.

Here, look at the turning control means provided in the assembly portion between the upper body and the traveling device as follows.

7 and 8 are views showing a part of the upper body of the toy excavator according to the present invention assembled with the driving device, a perspective view for explaining the swing control means.

The pivot control means is a second tooth 58 of the circular section formed on the upper surface of the center of the traveling device 30, and the upper surface of the bottom plate 12 of the upper body 10 to be fitted to the second tooth 58 The second locking end 60 is assembled to protrude toward the bottom from the.

Accordingly, when the upper body 10 is grasped and rotated, the second catching end 60 generates an operation sound for inspiring play interest while being continuously caught along the second tooth 58 of the traveling device 30. .

In addition, when turning to the desired position during the swing operation of the upper body 10, since the second catching end 60 is caught in the second tooth 58 at the corresponding position, an external force for turning is not applied. Unless the upper body 10 is stopped at the desired pivot position.

On the other hand, between the upper end of the rear end of the arm 34 and the rear end of the bucket 32 is equipped with a decorative bucket cylinder 62, which does not draw out piston, it is possible to provide the effect of expressing the appearance as if it is an actual excavator. Can be.

In addition, an arm cylinder 64 is mounted on the surface of the middle portion of the boom 18, and the piston 64 'of the arm cylinder 64 is connected to the rear end of the arm 34 so that the arm can be pulled out. In operation, when the arm 34 is bowed downward, the piston 64 'is withdrawn from the arm cylinder 64, and in operation when the arm 34 is lifted upward, the piston 64' is arm cylinder ( 64) is drawn into the interior.

The role of the arm cylinder 64 to perform this operation is to act as a real excavator at the same time as the arm 34, which is assembled to the front of the boom 18 so as to be rotated each time to catch the drooping phenomena by its own weight. Will provide the appearance.

Here, the flashing means of the lamp mounted on the rear of the upper body will be described.

9A and 9B are sectional views illustrating the on and off states of lamps attached to the rear surface of the upper body, respectively, as a switching structure of the swinging device of the toy excavator according to the present invention.

When the upper body 10 is turned, the lamp 66 attached to the rear thereof blinks.

As a switching means for blinking the lamp 66, first contact point 70 and the battery (not shown) connected to the inner diameter surface of the assembly hole 68 formed in the center of the second tooth 58 and the The second contact 72 connected to the lamp 66 is attached to face each other.

That is, the first contact point 70 and the second contact point 72 are attached to face each other on the inner diameter surface of the assembly hole 68 while being separated from each other.

In addition, the cover body 76 is assembled by the screw 74 to the bottom plate 12 of the upper body 10 while being inserted through the assembly hole 68 of the traveling device 30, this cover An electrical contact 78 is attached to the outer diameter surface of the sieve 76 to connect or short-circuit the first and second contacts 70 and 72.

Therefore, as shown in FIG. 9A, when the cover body 76 rotates together with the pivoting motion of the upper body 10, the energizing contact 78 of the cover body 76 is connected to the first contact point 70 and the first contact point 70. The lamp 66 is turned on in the period of energizing / connecting the second contact 72 at the same time.

On the other hand, as shown in FIG. 9B, the lamp 66 is turned off in a section in which the electrical contact 78 of the cover body 76 does not connect the first contact 70 and the second contact 72.

Accordingly, during the pivoting operation of the upper body 10, the lamp 66 is flashing (repetitive on and off), not only can cause a lot of interest in play, but also safety training on the work safety of the excavator. You can do it effectively.

Here, if described in more detail the operating state for the play of the toy excavator according to the present invention.

10A and 10B are side views illustrating a state of angular movement of the arm of the toy excavator according to the present invention up and down.

10A shows a state in which the arm 34 including the bucket 32 is fully folded toward the upper body 10. In this state, when the lever 24 is rotated forward, the combined end 26 protruding from the rotary shaft 22 with the forward rotation of the rotary shaft 22 is rotated forward, the coupling end 26 The rear end of the arm operating bar 28, which is coupled with the angular rotation forward.

Subsequently, when the rear end of the female actuating bar 28 rotates forward, the front end of the female actuating bar 28 moves forward, and at the same time, the front end of the female actuating bar 28 is the arm 34. Will be pushed forward.

Therefore, the operation of lifting the arm 34 forward about the hinge point (connection point with the boom) is made, and the state is as shown in FIG. 10B.

On the contrary, when the lever 24 is rotated backwards in the state of FIG. 10B with the arm 34 fully deployed, the arm 34 is pulled as shown in FIG. 10A due to the pulling of the arm operating bar 28. Return to the folded state.

5A and 5B are cross-sectional views illustrating a state in which the boom of the toy excavator according to the present invention is vertically angularly moved in stages, and FIG. 11 is a side view thereof.

Holding the boom 18 and pressing it down or rotating the lever 24 further forward in the state of FIG. 10B with the arm 34 fully extended, the boom 18 as shown in FIGS. 5A and 11. ) Is lowered and adjusted to a lower height.

That is, the cylindrical shaft 20 integrally formed at the rear end of the boom 18 with the angular rotation of the boom 18 is further rotated forward, at this time along the outer diameter surface of the cylindrical shaft 20 The continuous engaging motion of the first engaging end 54 is generated along the first tooth 52 formed, and at the same time, the operation sound for enhancing the interest in play is achieved by the continuous engaging operation of the first engaging end 54. Is generated.

At the same time, when the boom 18 is stopped at a desired height, the first catching end 54 is continuously inserted into the first tooth 52, so that the boom 18 is fixed at a desired downward height position. In this case, as described above, the boom 18 is supported by the piston 56 'inserted into the boom cylinder 56, so that the boom 18 is more firmly fixed at the desired lower height position. Done.

Here, when the lever 24 is rotated backward in the lower view of FIG. 11, first, the arm 34 is folded due to the pulling of the arm operating bar 28, and the lever 24 is rotated. When further rotating backward, the cylindrical shaft 20 integrally formed at the rear end of the boom 18 is rotated further with the angular rotation in which the boom 18 is lifted. Along the first tooth 52 formed along the outer diameter surface of the first engaging end 54 of the continuous engaging operation occurs, and at the same time by the continuous engaging operation of the first engaging end 54 to enhance the interest of play An operation sound is generated for.

At the same time, when the boom 18 is stopped at the desired height, the first catching end 54 is continuously inserted into the first tooth 52, so that the boom 18 is fixed at the desired upward height position. The state is maintained, and is likewise supported by the piston 56 'withdrawn from the boom cylinder 56, so that the boom 18 is more firmly fixed at the desired upper height position.

In this way, the height adjustment by the angular rotation of the boom and the folding / unfolding operation by the angular rotation of the arm, the swinging operation of the upper body and the flashing of the lamp when turning, etc. Safety training on the safety of excavators can also be done naturally.

As seen above, according to the toy excavator according to the present invention provides the following advantages.

1) It is possible to adjust the height by the vertical movement of the excavator boom, the position by the angular movement of the arm and the pivot position of the upper body, which can cause more interest when playing with the excavator.

2) The teeth and the locking end, which are means for angular movement of the boom, are located in the upper body, thereby reducing wear caused by external forces and at the same time preventing damage caused by external forces.

3) When the upper body is turning, the lamp attached to the rear of the upper body is blinking, so that the children who are interested in the excavator can maximize the interest in the play and safety education on the safety of the excavator. There is an effect that can be done effectively.

4) The female operating bar inherent in the bottom space of the boom provides robust durability that can prevent its shaking by the support piece and prevent the possibility of departure.

Claims (6)

An upper body 10 including a cab, a traveling device 30 assembled to the bottom of the upper body 10, a boom 18 assembled to the front end of the upper body 10 so as to allow an angular movement; In this toy boom 18, which is rotatably assembled and the front end excavator having a bucket (32) integrally fixed to the bucket 32, i) means for angularly moving the arm 34; Ii) means for fixing / supporting the boom 18 at the height and height adjustment and the adjusted height by the angular rotation of the boom 18; Ⅲ) including a swing control means provided in the connecting portion for the assembly between the upper body 10 and the traveling device 30, i) Means for vertically angular movement of the arm 34 is: the cylindrical shaft 20 formed in the interior of the upper body 10 so as not to be exposed to the outside, integrally formed at the rear end of the boom 18 and ; A rotating shaft 22 having one end inserted into the cylindrical shaft 20; A lever 24 inserted into and fixed to the other end of the rotary shaft 22; A coupling end 26 integrally protruded from a surface of the central portion of the rotation shaft 22; The rear end is arranged along the bottom space of the boom 18 and the rear end is hinged to the coupling end 26, the front end is composed of a female operating bar (28) hinged fixed to the bottom end of the rear end of the arm (34) Become, Ii) Means for fixing / supporting the boom 18 at the height adjustment and the height adjusted by the angular rotation of the boom 18 include: a first formed along the outer diameter surface of the cylindrical shaft 20 of the boom 18; Tooth 52; It is composed of a first engaging end 54 is assembled to protrude inwardly to the bottom plate 12 of the upper body 10, and fitted to the first tooth 52, Iii) the pivot control means comprises: a second tooth 58 formed in a circular section on the center of the traveling device 30; Toy excavator, characterized in that composed of a second engaging end (60) assembled to protrude from the upper surface of the bottom plate (12) of the upper body (10) to be fitted to the second tooth (58). The method of claim 1, wherein the auxiliary means for supporting and supporting the boom 18 in the height-adjusted position of the boom 18, a pair of boom cylinder 56 is attached to the front surface of the upper body 10, A toy excavator, characterized in that the upper end of the piston (56 ') of the boom cylinder (56) is fixed to both sides of the boom (18). The toy excavator according to claim 1, wherein a decorative bucket cylinder (62) is mounted between the upper end of the rear end of the arm (34) and the rear end of the bucket (32). 2. The arm cylinder 64 is mounted on the surface of the middle portion of the boom 18, and the piston 64 ′ of the arm cylinder 64 is retractable to the rear end of the arm 34. Toy excavator, characterized in that connected. 2. The lamp 66 of claim 1, wherein a lamp 66 flashing when the upper body 10 is turned is attached to a rear surface of the upper body 10, and the center of the second tooth 58 is used as a blinking means of the lamp 66. The first contact point 70 connected to the battery and the second contact point 72 connected to the lamp 66 are attached to the inner diameter surface of the assembling hole 68 at the bottom of the upper body 10. Electrical contact for connecting or shorting the first and second contacts 70 and 72 to the outer diameter surface of the cover body 76 inserted into the assembly hole 68 so that the plate 12 is assembled with the screw 74. 78) is a toy excavator, characterized in that attached. The method of claim 1, wherein the first support piece 48 for holding the female actuating bar 28 is not shaken is formed at equal intervals along both sides in the bottom space of the boom 18, the female actuating bar 28 The second support piece 50 for pressing the coupling protrusion 44 formed at the end of the arm 34 so as not to be separated from the coupling groove 46 of the arm 34 is formed integrally on the inner wall surface of the arm 34. Toy excavator.

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