TWM637137U - Claw quick release pivot assembly of claw crane - Google Patents

Abstract

A quick-release pivot assembly for a claw of an object-selecting game machine is provided in a claw device of an object-selecting game machine. The end of each claw rod of the clamping claw device is pivotally connected to a connecting shaft through two opposite quick release shaft pivot assemblies, and the connecting shaft is connected to a telescopic driving shaft. Each of the quick release pivot assemblies includes a compression spring disposed in a casing and a ball pushed up elastically by the spring. The two opposite balls push against the clamping positions on the two sides of the claw bar with partial spherical elasticity. With the above structure, it is possible to quickly disassemble and replace the claw lever with an appropriate size and shape according to the size or shape of the object in the object selection game machine, without having to replace the entire gripper device.

Description

Claw quick release pivot assembly of object selection game machine

This creation involves the grippers of the object selection game machine, more specifically, the quick-release grippers.

The item selection vending machine is also called the grabbing machine or the claw machine. Its mechanism mainly includes a crane device that can move forward, backward, left, and right, and a gripper device that is suspended from the crane device and can be lifted and opened. The player controls the crane device and the gripper device through the joystick and the button to grab the desired item.

The gripper device uses three claw rods, and it needs to be matched with claw rods of different sizes or shapes according to the size of the object. When the selection vending machine replaces items, the claw lever should be replaced accordingly. However, the claw lever of the current clamping claw device is connected to the driver by rivets, so it cannot be replaced separately. Machine operators need to purchase gripper devices of appropriate size from the mechanism manufacturer, and the mechanism manufacturer will replace the gripper device as a whole, and the replacement cost is very high.

In order to solve the above problems, this creation proposes a quick-release pivot assembly for the claws of the object-selecting game machine.

Technical characteristics of this creation:

A quick-release pivot assembly for a claw of an object-selecting game machine is provided in a claw device of an object-selecting game machine. The claw device includes several claw rods, a rod body of each claw rod is pivotally connected to a suspension rod, and the suspension rod is pivotally connected to the outside of a driver of the claw device; the driver also includes a control number A driving shaft for opening and closing the claw rod, and several coupling shafts are arranged at the end of the driving shaft; the clamping claw device The end of each claw lever is pivotally connected to a connecting shaft through two opposite quick-release pivot assemblies, each of which includes a compression spring arranged in a housing and elastically pushed by it. A ball of beads on top. The two opposite balls push against the clamping positions on the two sides of the claw bar with partial spherical elasticity.

The effect of this creation:

Using the quick release pivot assembly to quickly disassemble the claw lever, the method is: loosen the quick release pivot joint of the quick release suspension rod, and then pull the claw lever, and the claw lever can be separated from the connecting shaft.

Conversely, a quick way to assemble the claw bar is:

Push the end of the claw rod into the coupling until the ball is elastically pushed to the locking position, the end of the claw rod is positioned, and then lock into the quick release of the quick release suspension rod Pivot piece will do.

When the drive shaft is actuated, the several claw rods open and close smoothly due to the lubricating effect of the balls.

It can match the size or shape of the items in the object selection game machine, and quickly disassemble and replace the claw rod with an appropriate size and shape, without having to replace the entire gripper device.

1: Gripper device

10: claw lever

11: rod body

12: clamping part

13: Shaft connection

131: from the side

132: from the side

20: drive

21: drive shaft

22: Fixed ring

23: Coupling

231: opposite side

232: opposite side

24: Mounting hole

25:Quick release suspension rod

251:Quick release pivot joint

26: Upper sealing plate

27: Lower sealing plate

30:Quick release pivot assembly

31: ball beads

32: Compression spring

33: Shell

331: opening

332: closed

333:Accommodating space

34: card position

341: conical wall

40: Coupling

41: base

F: Direction of external force

〔Fig. 1〕The three-dimensional appearance diagram of the jaw device of this creation.

[Fig. 2] The side view of the jaw device of this invention.

[Fig. 3] Three-dimensional exploded view of the jaw device of this creation.

〔Figure 4〕The three-dimensional appearance diagram of the claw lever and the quick release pivot assembly of this creation.

[Fig. 5] Three-dimensional exploded view of the claw lever and quick release pivot assembly of this creation.

[FIG. 6] It is a sectional view taken along line VI-VI of FIG. 2.

〔Fig. 7〕This invention shows the schematic diagram of the movement of the claw bar breaking away from the clamping claw device.

[FIG. 8] A schematic diagram illustrating detachment of the claw lever based on the cross-sectional portion of FIG. 6. [FIG.

[Fig. 9] Another three-dimensional exploded view of the claw lever and the quick release pivot assembly of the present invention.

For ease of explanation, the central idea expressed in the above-mentioned novel content column of this creation is hereby expressed with specific embodiments. Various objects in the embodiments are drawn according to proportions, sizes, deformations or displacements suitable for illustration, rather than drawn according to the proportions of actual components, which are described first. And in the following description, the same and symmetrically arranged elements are denoted by the same reference numerals.

As shown in Fig. 1 to Fig. 3, the clamping device 1 of the present invention includes several (three) claw rods 10, and the claw rod 10 includes a bent rod body 11, and a clamping portion 12 at both ends of the rod body 11 And a shaft joint 13.

The shaft joint 13 is connected to a shaft coupling 23 through two quick-release pivot assemblies 30 . The shaft coupling 23 is arranged on a driving shaft 21 of a driver 20 , and the driving shaft 21 controls several claw levers 10 to open and close synchronously.

The shaft coupling 23 is a connecting structure between the drive shaft 21 and the claw lever 10 , and can be in various shapes and structures, not limited to those shown in the illustrations. Preferably, an upper sealing plate 26 and a lower sealing plate 27 are respectively arranged on the top surface and the bottom surface of the shaft coupling 23 , so as to cover the shaft coupling 23 and prevent dust or fine objects from accumulating and affecting the movement of the claw lever 10 .

Several quick-release suspension rods 25 are pivotally connected to the exterior of the driver 20 by a fixing ring 22 , and each quick-release suspension rod 25 is pivotally connected to the rod body 11 through a rotatable quick-release pivot member 251 . The quick release suspension rod 25 and the quick release pivot joint 251 are not the technical features of this invention, and will not be repeated here.

As shown in FIG. 4 to FIG. 8 , the two quick release pivot assemblies 30 are respectively disposed in the two mounting holes 24 on the two opposite surfaces 231 , 232 of the shaft coupling 23 .

Each of the quick release pivot assemblies 30 includes: a ball 31 , a compression spring 32 , and a housing 33 .

The housing 33 has an accommodating space 333 inside, an opening 331 is set at one end of the accommodating space 333 , and a closed end 332 is set at the other end. The accommodating space 333 accommodates the ball 31 and the compression spring 32 , and the end of the compression spring 32 pushes the ball 31 . By known technical means, for example, the diameter of the opening 331 is set to be slightly smaller than the diameter of the ball 31, so that when the ball 31 is pushed by the compression spring 32, the bead surface can partially protrude outside the opening 331, but The ball 31 will not escape from the opening 331 . The casing 33 is disposed in the installation hole 24 , and the balls 31 of the two quick release pivot assemblies 30 are opposite to each other.

The clamping position 34 is arranged on the two separated side surfaces 131, 132 of the shaft connection portion 13 of the claw lever 10. The clamping position 34 can be a groove respectively arranged on the two separated side surfaces 131, 132, or it can pass through two phases. 131,132 holes from the sides. Both the groove and the hole have a tapered wall 341 that gradually expands from the inside to the outside. The clamping position 34 accommodates a portion of the ball 31 protruding from the opening 331 , and the portion of the ball 31 pushes against the tapered wall 341 . When the claw lever 10 moves along an external force direction F (described in FIG. 7 ), the tapered wall 341 can easily push the ball 31 away, causing it to retract into the accommodating space 333 to compress the compressed ball. spring 32.

In this creative embodiment, one claw lever 10 cooperates with two quick release pivot assemblies 30 . However, it is also feasible to connect a claw lever 10 to the coupling shaft 23 through a quick release pivot assembly 30 .

As shown in Fig. 7 and Fig. 8, the method of using the quick release pivot assembly 30 to quickly disassemble the claw lever 10 is: loosen the quick release pivot joint 251 of the quick release suspension rod 25, and then use the direction of the external force shown by the arrow F to Pull the claw rod 10, the tapered wall 341 pushes the ball 31 away, and makes it go into the accommodating space 333 Retract and compress the compression spring 32 , and the claw rod 10 can be separated from the clamping claw device 1 .

On the contrary, the method for quickly assembling the claw lever 10 is: push the shaft connection portion 13 of the claw lever 10 into between the two opposite surfaces 231, 232 of the shaft coupling 23 in the direction opposite to the direction of the external force shown by the arrow F, the shaft connection portion 13 Push the ball 31 to make it shrink back into the accommodating space 333 and compress the compression spring 32. When the clamping position 34 corresponds to the ball 31, the compression spring 32 is released and resets, and the ball 31 is pushed and clamped in the clamping position 34, so that the shaft connection portion 13 of the claw lever 10 is positioned. Then, just lock the quick-release pivoting member 251 of the quick-release suspension rod 25 . When the drive shaft 21 is actuated, the plurality of pawl levers 10 open and close smoothly due to the lubricating effect of the balls 31 .

According to the above structure, the claw lever 10 of suitable size and shape can be quickly disassembled and replaced according to the size or shape of the object in the object selection game machine, without replacing the entire gripper device 1 .

As mentioned above, the shaft coupling is a connecting structure between the drive shaft 21 and the claw lever 10, and can be in various shapes and configurations. Another embodiment of the present creation, as shown in Figure 9, the shaft coupling 40 is a block structure, locked in a base 41 by screw elements, the base 41 is connected to the drive of the driver 20 of the jaw device 1 axis 21.

11: rod body

13: Shaft connection

131: from the side

132: from the side

23: Coupling

231: opposite side

232: opposite side

24: Mounting hole

30:Quick release pivot assembly

31: ball beads

32: Compression spring

33: shell

333:Accommodating space

34: card position

341: conical wall

Claims (4)

A jaw quick release pivot assembly of an object selection game machine, which is provided in a jaw device of an object selection game machine. The jaw device includes several claw rods, and a rod body of each claw rod is pivotally connected to A suspension rod, the suspension rod is pivotally connected to the outside of a driver of the jaw device; the driver also includes a drive shaft for controlling the opening and closing of several claw rods, and several coupling parts are arranged at the end of the drive shaft , the connecting shaft is used to pivotally connect with a shaft joint at one end of the rod body; it is characterized in that: The shaft joint is pivotally connected to the shaft coupling through two quick-release pivot assemblies; Each of the quick release pivot assemblies includes: a ball, a compression spring, and a housing; There is an accommodating space inside the casing, the accommodating space accommodates the ball and the compression spring, the compression spring pushes the ball with its elastic force, and a part of the ball protrudes from an opening of the casing Outside; the housing is arranged in two installation holes on the two opposite sides of the coupling, and the balls of the two quick release pivot assemblies are opposite to each other; The two side surfaces of the shaft connection part of the claw lever are respectively provided with a locking position, and the shaft connection part enters between the two quick-release pivot assemblies, and the two locking positions respectively accommodate the two parts protruding from the opening. Part of the ball. According to claim 1, the jaw quick-release pivot assembly of the object-selecting game machine, wherein the locking positions are respectively provided in two grooves on the two sides away from each other. According to claim 1, the clamping claw quick release pivot assembly of the object selection game machine, wherein the locking position is a hole passing through the two separated sides. The claw quick release pivot assembly of the object selection game machine as described in claim 1, 2 or 3, wherein the locking position has a tapered wall gradually expanding from the inside to the outside, and the part of the ball contacts the tapered wall. wall.

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