TWM605211U - Fork - Google Patents

Abstract

A fork includes a first arm, a second arm, a third arm, a first wire rope and a second wire rope. The second arm is movably connected to the first arm. The second arm includes a first roller and a second roller, wherein the first roller and the second roller are located at opposite sides of the second arm. The third arm is movably connected to the second arm. The first wire rope is wound around the first roller, an end of the first wire rope is connected to the first arm, and another end of the first wire rope is connected to the third arm. The second wire rope is wound around the second roller, an end of the second wire rope is connected to the first arm, and another end of the second wire rope is connected to the third arm.

Description

Fork

This creation is about a fork, especially a fork that drives the arm by a steel cable.

The fork is a tool used to pick and place goods on the shelf. Generally speaking, the forks are equipped with retractable arms to pick and place goods of different depths. At present, the conventional fork is driven by a belt to drive the arm. Because the belt has a certain volume, the belt occupies a certain space during installation, which makes the overall volume of the fork larger. In addition, after a period of use, the belt will become slack and its tension needs to be readjusted, which increases the maintenance cost of the fork.

This creation provides a fork that drives the arm through a steel cable to solve the above problems.

According to an embodiment, the fork of the present creation includes a first arm, a second arm, a third arm, a first steel cable, and a second steel cable. The second arm is movably connected to the first arm. The second arm includes a first roller and a second roller, wherein the first roller and the second roller are located on two opposite sides of the second arm. The third arm is movably connected to the second arm. The first steel cable goes around the first roller, one end of the first steel cable is connected to the first arm, and the other end of the first steel cable is connected to the third arm. The second steel cable goes around the second roller, one end of the second steel cable is connected to the first arm, and the other end of the second steel cable is connected to the third arm.

To sum up, in this creation, the steel cable is passed around the roller on the second arm, and the opposite ends of the steel cable are respectively connected to the first arm and the third arm. When the second arm moves relative to the first arm, the second arm will drive the third arm to move via the steel cable, and then extend or retract relative to the first arm. Since the diameter of the steel cable is smaller than the width of the belt, this creation can effectively save the installation space of the steel cable, thereby reducing the overall volume of the fork. In addition, the deformation of the steel cable after pre-tensioning is small, and after a period of use, it is less easy to relax, and the steel cable does not need to be adjusted frequently, which can effectively reduce the adjustment time and reduce the maintenance cost of the fork.

The advantages and spirit of this creation can be further understood through the following creation details and the attached drawings.

Please refer to Figures 1 to 6. Figure 1 is a perspective view of the fork 1 according to an embodiment of the invention, Figure 2 is a perspective view of the fork 1 in Figure 1 from another perspective, and Figure 3 is The exploded view of the first arm 10, the second arm 12, and the third arm 14. Figure 4 is the exploded view of the first arm 10, the second arm 12, and the third arm 14 from another perspective, and the fifth image is the second A perspective view of the arm 12 and the third arm 14 extending from the first end 110 of the first arm 10. FIG. 6 is a perspective view of the second arm 12 and the third arm 14 extending from the second end 112 of the first arm 10.

As shown in Figures 1 to 6, the fork 1 includes a first arm 10, a second arm 12, a third arm 14, a first steel cable 16, a second steel cable 18, a chain 20, a A first rod 22 and a second rod 24. In this embodiment, the fork 1 can be designed as a symmetrical structure. Furthermore, the fork 1 may include two first arms 10, two second arms 12, two third arms 14, two chains 20, two first rods 22, and two second rods 24, wherein the above elements are left and right. Symmetrical setting. In addition, each side of the fork 1 may include two first steel cables 16 and two second steel cables 18, but not limited to this. In another embodiment, each side of the fork 1 may also include one or more first steel cables 16 and one or more second steel cables 18, depending on the actual application.

The second arm 12 is movably connected to the first arm 10, and the third arm 14 is movably connected to the second arm 12. In this embodiment, the first arm 10 may include a first sliding rail 100, and the second arm 12 may include a first sliding groove 120, as shown in FIGS. 3 and 4. The first sliding rail 100 can be disposed in the first sliding groove 120 such that the second arm 12 is movably connected to the first arm 10. In addition, the second arm 12 may include a second sliding rail 122, and the third arm 14 may include a second sliding groove 140, as shown in FIGS. 3 and 4. The second sliding rail 122 may be disposed in the second sliding groove 140 such that the third arm 14 is movably connected to the second arm 12.

As shown in FIGS. 3 to 6, the second arm 12 includes a first roller 124 and a second roller 126. The first roller 124 and the second roller 126 are located on opposite sides of the second arm 12. The first steel cable 16 bypasses the first roller 124, one end of the first steel cable 16 is connected to the first arm 10, and the other end of the first steel cable 16 is connected to the third arm 14. In this embodiment, one end of the first wire rope 16 can be connected to the wire rope fixing seat 102 on the first arm 10, and the other end of the first wire rope 16 can be connected to the wire rope fixing seat 142 on the third arm 14. In addition, the second steel cable 18 bypasses the second roller 126, one end of the second steel cable 18 is connected to the first arm 10, and the other end of the second steel cable 18 is connected to the third arm 14. In this embodiment, one end of the second wire rope 18 can be connected to the wire rope fixing base 104 on the first arm 10, and the other end of the second wire rope 18 can be connected to the wire rope fixing base 144 on the third arm 14.

In this embodiment, the first arm 10 may include two sprockets 106 and 108, and the two sprockets 106 and 108 are located on two opposite sides of the first arm 10. The chain 20 can be sleeved on the two sprockets 106 and 108. In addition, the second arm 12 may include a tooth row 128, wherein the tooth row 128 is engaged with the chain 20. In the present invention, a motor (not shown in the figure) can be used to drive the sprocket 106 to rotate, so as to drive the second arm 12 to move relative to the first arm 10 through the cooperation of the chain 20 and the gear row 128. In this embodiment, the present invention can use a transmission shaft 26 to connect the sprocket 106 on both sides to simultaneously drive the second arm 12 on both sides to move relative to the first arm 10.

In this embodiment, the chain 20 can drive the second arm 12 to extend from a first end 110 of the first arm 10 (as shown in Figure 5) or from a second end of the first arm 10 via the tooth row 128 112 extends (as shown in Figure 6), where the first end 110 is opposite to the second end 112. As shown in FIGS. 1 and 5, when the sprocket 106 rotates in the direction of arrow A1, the chain 20 will drive the second arm 12 to extend from the first end 110 of the first arm 10 via the tooth row 128. At this time, the second arm 12 will drive the third arm 14 to extend by the cooperation of the first steel cable 16 and the second steel cable 18 to take and place the goods located in front of the first end 110 of the first arm 10. When the sprocket 106 in FIG. 5 rotates in the direction of arrow A2, the chain 20 will drive the second arm 12 to retract from the first end 110 of the first arm 10 via the gear row 128. At this time, the second arm 12 will retract the third arm 14 by the cooperation of the first steel cable 16 and the second steel cable 18.

As shown in FIGS. 1 and 6, when the sprocket 106 rotates in the direction of arrow A2, the chain 20 will drive the second arm 12 to extend from the second end 112 of the first arm 10 via the tooth row 128. At this time, the second arm 12 will drive the third arm 14 to extend through the cooperation of the first steel cable 16 and the second steel cable 18 to take and place the goods located in front of the second end 112 of the first arm 10. When the sprocket 106 in FIG. 6 rotates in the direction of arrow A1, the chain 20 will drive the second arm 12 to retract from the second end 112 of the first arm 10 via the gear row 128. At this time, the second arm 12 will retract the third arm 14 by the cooperation of the first steel cable 16 and the second steel cable 18.

In this embodiment, the first rod 22 and the second rod 24 are both pivotally connected to the third arm 14, and the first rod 22 and the second rod 24 are located on opposite sides of the third arm 14. In this creation, a motor (not shown in the figure) may be used to drive the first rod 22 and the second rod 24 to rotate, so that the first rod 22 and the second rod 24 can be opened or closed relative to the third arm 14. Therefore, when the user wants to use the fork 1 to pick and place the goods located in front of the first end 110 of the first arm 10, the user can control the second arm 12 and the third arm 14 from the first end 110 of the first arm 10. Extend and control the first rod 22 to open relative to the third arm 14, so that the first rod 22 can take and place goods, as shown in FIG. 5. In the same way, when the user wants to use the fork 1 to pick and place the goods located in front of the second end 112 of the first arm 10, the user can control the second arm 12 and the third arm 14 from the second end of the first arm 10 112 extends, and controls the second rod 24 to open relative to the third arm 14 to take and place goods through the second rod 24, as shown in FIG. 6.

To sum up, in this creation, the steel cable is passed around the roller on the second arm, and the opposite ends of the steel cable are respectively connected to the first arm and the third arm. When the second arm moves relative to the first arm, the second arm will drive the third arm to move via the steel cable, and then extend or retract relative to the first arm. Since the diameter of the steel cable is smaller than the width of the belt, this creation can effectively save the installation space of the steel cable, thereby reducing the overall volume of the fork. In addition, the amount of deformation of the steel cable after pre-tensioning is small, and after a period of use, it is less easy to relax, and the steel cable does not need to be adjusted frequently, which can effectively reduce the adjustment time and reduce the maintenance cost of the fork. Furthermore, this creation uses the cooperation of the chain and the gear row to drive the second arm to move relative to the first arm. Therefore, the second arm can extend from the first end or the second end of the first arm to pick and place the goods in front of the first or second end of the first arm, thereby increasing the flexibility and flexibility of the fork in picking and placing goods. Convenience.

The above descriptions are only the preferred embodiments of this creation, and all equal changes and modifications made in accordance with the scope of the patent application for this creation should fall within the scope of this creation.

1: Fork 10: First arm 12: second arm 14: Third arm 16: first wire rope 18: second wire rope 20: chain 22: The first member 24: second member 26: drive shaft 100: The first slide 102, 104, 142, 144: Cable fixing seat 106, 108: sprocket 110: first end 112: second end 120: first chute 122: second slide 124: first roller 126: second roller 128: tooth row 140: second chute A1, A2: Arrow

Figure 1 is a perspective view of a fork according to an embodiment of the invention. Figure 2 is a perspective view of the fork in Figure 1 from another perspective. Figure 3 is an exploded view of the first arm, the second arm and the third arm. Figure 4 is an exploded view of the first arm, the second arm, and the third arm from another perspective. Figure 5 is a perspective view of the second arm and the third arm extending from the first end of the first arm. Figure 6 is a perspective view of the second arm and the third arm extending from the second end of the first arm.

1: Fork

10: First arm

12: second arm

14: Third arm

16: first wire rope

18: second wire rope

20: chain

22: The first member

24: second member

26: drive shaft

100: The first slide

102, 104, 142: Cable fixing seat

106, 108: sprocket

110: first end

112: second end

120: first chute

122: second slide

124: first roller

126: second roller

128: tooth row

140: second chute

A1, A2: Arrow

Claims (7)

A fork that contains: A first arm A second arm movably connected to the first arm, the second arm including a first roller and a second roller, the first roller and the second roller are located on two opposite sides of the second arm; A third arm movably connected to the second arm; A first steel cable bypassing the first roller, one end of the first steel cable is connected to the first arm, and the other end of the first steel cable is connected to the third arm; and A second steel cable goes around the second roller, one end of the second steel cable is connected to the first arm, and the other end of the second steel cable is connected to the third arm. The fork of claim 1 further includes a chain, the first arm includes two sprockets, the two sprockets are located on opposite sides of the first arm, the chain is sleeved on the two sprockets, the The second arm includes a row of teeth, which is engaged with the chain. The fork of claim 2, wherein the chain drives the second arm to extend from a first end of the first arm or extend from a second end of the first arm via the tooth row, the first arm One end is opposite to the second end. The fork of claim 1, wherein the first arm includes a first slide rail, the second arm includes a first slide groove, and the first slide rail is disposed in the first slide groove so that the first slide The two arms are movably connected to the first arm. The fork of claim 1, wherein the second arm includes a second slide rail, the third arm includes a second slide groove, and the second slide rail is disposed in the second slide groove so that the first The three arms are movably connected to the second arm. The fork of claim 1 further includes a first rod pivotally connected to the third arm. The fork of claim 6 further includes a second lever pivotally connected to the third arm, and the first lever and the second lever are located on opposite sides of the third arm.

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