CN213112409U - Pallet fork - Google Patents
Pallet fork Download PDFInfo
- Publication number
- CN213112409U CN213112409U CN202022075961.2U CN202022075961U CN213112409U CN 213112409 U CN213112409 U CN 213112409U CN 202022075961 U CN202022075961 U CN 202022075961U CN 213112409 U CN213112409 U CN 213112409U
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- CN
- China
- Prior art keywords
- arm
- steel cable
- roller
- fork
- cable
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 37
- 239000010959 steel Substances 0.000 claims abstract description 37
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Abstract
The invention discloses a pallet fork which comprises 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 comprises a first roller and a second roller, wherein the first roller and the second roller are positioned at two opposite sides of the second arm. The third arm is movably connected to the second arm. The first steel cable bypasses 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 is wound 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 diameter of the steel cable is smaller than the width of the belt, so that the arrangement space of the steel cable can be effectively saved, and the whole volume of the pallet fork is reduced. In addition, the deformation of the steel cable after being pre-stretched is small, the steel cable is not easy to loosen after being used for a period of time, the steel cable does not need to be frequently adjusted, the adjusting time can be effectively shortened, and the maintenance cost of the pallet fork is reduced.
Description
Technical Field
The utility model relates to a fork especially relates to a fork that drives arm through the cable wire.
Background
The fork is used for getting the instrument of putting the goods on goods shelves. Typically, forks are provided with retractable arms to pick and place loads at different depths. Currently, the prior pallet fork drives the arm through a belt. Because the belt has certain volume, therefore, the belt can occupy certain space when installing for the whole volume of fork is grown. In addition, the belt may become loose and readjust its tension over time, which increases the maintenance costs of the forks.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: in order to overcome the defects of the prior art, the fork with the arm driven by the steel cable is provided to solve the problems.
The utility model discloses a fork adopts following technical scheme:
the fork includes a first arm, a second arm, a third arm, a first cable, and a second cable. The second arm is movably connected to the first arm, the second arm includes a first roller and a second roller, and the first roller and the second roller are located on opposite sides of the second arm. A third arm is movably connected to the second arm. The first roller is wound by a first steel cable, 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 roller is wound by a second steel cable, 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 further comprises a chain, the first arm comprises two chain wheels, the two chain wheels are located on two opposite sides of the first arm, the chain is sleeved on the two chain wheels, the second arm comprises a tooth row, and the tooth row is meshed with the chain.
The chain drives the second arm to extend out from the first end of the first arm or extend out from the second end of the first arm through the tooth row, and the first end is opposite to the second end.
The first arm comprises a first sliding rail, the second arm comprises a first sliding groove, and the first sliding rail is arranged in the first sliding groove, so that the second arm can be movably connected to the first arm.
The second arm includes a second slide rail, the third arm includes a second slide groove, the second slide rail is disposed in the second slide groove, so that the third arm is movably connected to the second arm.
The fork further includes a first lever pivotally connected to the third arm.
The fork further comprises a second rod pivoted to the third arm, and the first rod and the second rod are located on two opposite sides of the third arm.
Therefore, according to the above technical scheme, the utility model discloses a fork has following advantage and beneficial effect at least: the utility model discloses walk around the gyro wheel on the second arm with the cable wire, and connect the relative two ends of cable wire in first arm and third arm respectively. When the second arm moves relative to the first arm, the second arm drives the third arm to move through the steel cable, so as to extend or retract relative to the first arm. Because the diameter ratio belt of cable wire width gets littleer, consequently, the utility model discloses can effectively save the space that sets up of cable wire to reduce the whole volume of fork. In addition, the deformation of the steel cable after being pre-stretched is small, the steel cable is not easy to loosen after being used for a period of time, the steel cable does not need to be frequently adjusted, the adjusting time can be effectively shortened, and the maintenance cost of the pallet fork is reduced.
Drawings
Fig. 1 is a perspective view of a fork according to an embodiment of the present invention.
Fig. 2 is a perspective view of the fork of fig. 1 from another perspective.
Fig. 3 is an exploded view of the first arm, the second arm, and the third arm.
Fig. 4 is an exploded view of the first arm, the second arm, and the third arm from another perspective.
Fig. 5 is a perspective view of the second and third arms extending from the first end of the first arm.
Fig. 6 is a perspective view of the second and third arms extending from the second end of the first arm.
Wherein the reference numerals are as follows:
1 fork
10 first arm
12 second arm
14 third arm
16 first steel cable
18 second steel cord
20 chain
22 first bar member
24 second bar
26 drive shaft
100 first slide rail
102. 104, 142, 144 steel cable fixing seat
106. 108 chain wheel
110 first end
112 second end
120 first chute
122 second slide rail
124 first roller
126 second roller
128 rows of teeth
140 second chute
Arrows A1 and A2
Detailed Description
Referring to fig. 1 to 6, fig. 1 is a perspective view of a fork 1 according to an embodiment of the present invention, fig. 2 is a perspective view of the fork 1 in fig. 1 from another perspective, fig. 3 is an exploded view of a first arm 10, a second arm 12 and a third arm 14, fig. 4 is an exploded view of the first arm 10, the second arm 12 and the third arm 14 from another perspective, fig. 5 is a perspective view of the second arm 12 and the third arm 14 extending from a first end 110 of the first arm 10, and fig. 6 is a perspective view of the second arm 12 and the third arm 14 extending from a second end 112 of the first arm 10.
As shown in fig. 1 to 6, the fork 1 includes a first arm 10, a second arm 12, a third arm 14, a first cable 16, a second cable 18, a chain 20, a first link 22, and a second link 24. In this embodiment, the fork 1 can be designed to have a symmetrical structure. Further, 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 components are arranged in bilateral symmetry. In addition, each side of the fork 1 may include, but is not limited to, two first cables 16 and two second cables 18. In another embodiment, each side of the fork 1 may also include one or more first cables 16 and one or more second cables 18, depending on the 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 the first slide rail 100, and the second arm 12 may include the first slide groove 120, as shown in fig. 3 and 4. The first slide rail 100 may 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 slide rail 122, and the third arm 14 may include a second slide groove 140, as shown in fig. 3 and 4. The second slide 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 fig. 3 to 6, the second arm 12 includes a first roller 124 and a second roller 126, wherein the first roller 124 and the second roller 126 are located on opposite sides of the second arm 12. The first wire 16 is wound around the first roller 124, one end of the first wire 16 is connected to the first arm 10, and the other end of the first wire 16 is connected to the third arm 14. In this embodiment, one end of the first cable 16 may be connected to the cable holder 102 on the first arm 10, and the other end of the first cable 16 may be connected to the cable holder 142 on the third arm 14. In addition, the second wire rope 18 is wound around the second roller 126, one end of the second wire rope 18 is connected to the first arm 10, and the other end of the second wire rope 18 is connected to the third arm 14. In this embodiment, one end of the second cable 18 may be connected to the cable holder 104 of the first arm 10, and the other end of the second cable 18 may be connected to the cable holder 144 of the third arm 14.
In this embodiment, the first arm 10 may include two sprockets 106, 108, wherein the two sprockets 106, 108 are located on opposite sides of the first arm 10. The chain 20 can be sleeved on the two sprockets 106 and 108. Further, the second arm 12 may include a row of teeth 128, wherein the row of teeth 128 engages the chain 20. The present invention can utilize a motor (not shown) 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 tooth row 128. In this embodiment, the present invention can connect the two side sprockets 106 via the transmission shaft 26 to simultaneously drive the two side second arms 12 to move relative to the first arm 10.
In this embodiment, the chain 20 can drive the second arm 12 to extend from the first end 110 of the first arm 10 (as shown in fig. 5) or extend from the second end 112 of the first arm 10 (as shown in fig. 6) through the tooth row 128, wherein the first end 110 is opposite to the second end 112. As shown in fig. 1 and 5, when the sprocket 106 rotates in the direction of arrow a1, the chain 20 drives 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 drives the third arm 14 to extend by the cooperation of the first cable 16 and the second cable 18, so as to pick and place the cargo in front of the first end 110 of the first arm 10. When the sprocket 106 of fig. 5 is rotated in the direction of arrow a2, the chain 20 causes the second arm 12 to retract from the first end 110 of the first arm 10 via the row of teeth 128. At this time, the second arm 12 retracts the third arm 14 by the cooperation of the first cable 16 and the second cable 18.
As shown in fig. 1 and 6, when the sprocket 106 rotates in the direction of arrow a2, the chain 20 drives the second arm 12 to extend from the second end 112 of the first arm 10 through the tooth row 128. At this time, the second arm 12 drives the third arm 14 to extend by the cooperation of the first cable 16 and the second cable 18, so as to pick and place the cargo in front of the second end 112 of the first arm 10. When the sprocket 106 of fig. 6 is rotated in the direction of arrow a1, the chain 20 causes the second arm 12 to retract from the second end 112 of the first arm 10 via the row of teeth 128. At this time, the second arm 12 retracts the third arm 14 by the cooperation of the first cable 16 and the second cable 18.
In this embodiment, the first rod 22 and the second rod 24 are pivotally connected to the third arm 14, wherein the first rod 22 and the second rod 24 are located on opposite sides of the third arm 14. The present invention can use a motor (not shown in the drawings) 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 a user wants to use the fork 1 to pick and place a cargo 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 to extend from the first end 110 of the first arm 10, and control the first rod 22 to open relative to the third arm 14, so as to pick and place the cargo by means of the first rod 22, as shown in fig. 5. Similarly, when the user wants to use the fork 1 to pick and place the goods 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 to extend from the second end 112 of the first arm 10, and control the second rod 24 to open relative to the third arm 14, so as to pick and place the goods through the second rod 24, as shown in fig. 6.
Therefore, according to the above technical scheme, the utility model discloses a fork has following advantage and beneficial effect at least: the utility model discloses walk around the gyro wheel on the second arm with the cable wire, and connect the relative two ends of cable wire in first arm and third arm respectively. When the second arm moves relative to the first arm, the second arm drives the third arm to move through the steel cable, so as to extend or retract relative to the first arm. Because the diameter ratio belt of cable wire width gets littleer, consequently, the utility model discloses can effectively save the space that sets up of cable wire to reduce the whole volume of fork. In addition, the deformation of the steel cable after being pre-stretched is small, the steel cable is not easy to loosen after being used for a period of time, the steel cable does not need to be frequently adjusted, the adjusting time can be effectively shortened, and the maintenance cost of the pallet fork is reduced. Furthermore, the utility model discloses utilize the cooperation of chain and tooth row to drive the relative first arm of second arm and remove. Therefore, the second arm can extend out of the first end or the second end of the first arm to pick and place the goods in front of the first end or the second end of the first arm, and therefore the elasticity and the convenience of picking and placing the goods by the fork are improved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A pallet fork, characterized in that it comprises:
a first arm;
the second arm is movably connected with the first arm and comprises a first roller and a second roller, and the first roller and the second roller are positioned at two opposite sides of the second arm;
a third arm movably connected to the second arm;
the first steel cable bypasses 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
and the second steel cable bypasses 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.
2. The fork of claim 1, further comprising a chain, wherein the first arm includes two sprockets located on opposite sides of the first arm, wherein the chain is looped over the two sprockets, and wherein the second arm includes a row of teeth that engage the chain.
3. The fork of claim 2, wherein the chain drives the second arm through the row of teeth from a first end of the first arm or from a second end of the first arm, the first end being opposite the second end.
4. The fork of claim 1, wherein the first arm comprises a first slide track and the second arm comprises a first slide slot, the first slide track disposed in the first slide slot such that the second arm is movably coupled to the first arm.
5. The fork of claim 1, wherein the second arm comprises a second slide track and the third arm comprises a second slide slot, the second slide track disposed in the second slide slot such that the third arm is movably coupled to the second arm.
6. The fork of claim 1, further comprising a first lever pivotally coupled to the third arm.
7. The fork of claim 6, further comprising a second lever pivotally coupled to the third arm, the first lever and the second lever being located on opposite sides of the third arm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW109211342 | 2020-08-31 | ||
| TW109211342U TWM605211U (en) | 2020-08-31 | 2020-08-31 | Fork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213112409U true CN213112409U (en) | 2021-05-04 |
Family
ID=74670822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022075961.2U Active CN213112409U (en) | 2020-08-31 | 2020-09-21 | Pallet fork |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN213112409U (en) |
| TW (1) | TWM605211U (en) |
-
2020
- 2020-08-31 TW TW109211342U patent/TWM605211U/en unknown
- 2020-09-21 CN CN202022075961.2U patent/CN213112409U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| TWM605211U (en) | 2020-12-11 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |