KR20130138437A - A movable manual type table lift - Google Patents

A movable manual type table lift Download PDF

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Publication number
KR20130138437A
KR20130138437A KR1020120061999A KR20120061999A KR20130138437A KR 20130138437 A KR20130138437 A KR 20130138437A KR 1020120061999 A KR1020120061999 A KR 1020120061999A KR 20120061999 A KR20120061999 A KR 20120061999A KR 20130138437 A KR20130138437 A KR 20130138437A
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KR
South Korea
Prior art keywords
handle
horizontal frame
frame
lift
chain
Prior art date
Application number
KR1020120061999A
Other languages
Korean (ko)
Inventor
이성헌
Original Assignee
이성헌
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 이성헌 filed Critical 이성헌
Priority to KR1020120061999A priority Critical patent/KR20130138437A/en
Publication of KR20130138437A publication Critical patent/KR20130138437A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
    • B66F7/025—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars screw operated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/12—Platforms; Forks; Other load supporting or gripping members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F17/00—Safety devices, e.g. for limiting or indicating lifting force

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Civil Engineering (AREA)
  • Handcart (AREA)

Abstract

An embodiment of the present invention allows the plate-like table assembly for lifting and lowering the object to the ground, and the table assembly has a shape that accommodates the horizontal frame on both sides of the table to accommodate a portable manual table lift easy to use It is about.

Description

A movable manual type table lift}

The present invention relates to a mobile manual table lift.

In general, a movable lift is a device that can lift or lift a heavy object and then carry it. In general, the movable lift may include a lift unit provided with wheels in the frame to facilitate movement, a lift unit mounted on the frame to enable lifting, and a driving device for lifting the lift unit.

According to the type of the drive device may be configured to include an automatic lift to automatically lift the table by electric or hydraulic pressure and a manual lift by a rotation operation or a pumping operation of the user.

Korean Patent No. 10-1060486 discloses a manual lift including a frame provided with a moving wheel, a lifting fork portion, a lifting portion and a wire for lifting operation of the fork portion, and a fork by a user's rotation operation. A manual lift is disclosed which allows an additional elevating to convey an object.

Japanese Laid-Open Patent Publication No. 2004-217394 discloses a manual lift including a frame having a wheel, a lifting fork portion, a wire winch and a wire for lifting operation of the fork portion, and lifting the fork portion by a user's rotation operation. A manual lift is disclosed to enable the transport of goods.

The manual lift according to the related art has a shape of a pair of rods on both the left and right sides of the lifted fork portion. Therefore, there is a problem that the lifting and moving is not possible in the case of a small size or an object that cannot be placed on the fork portion.

In order to solve this problem, the configuration for lifting may be configured in the shape of a table. However, in such a case, there is a problem that the table cannot be moved under the horizontal frame forming the lower part of the lift, so that the object placed on the floor is difficult to transfer.

That is, in order to put the object on the table to lift the table from the ground to lift the heavy weight of such a task is not easy, there is a problem that can reduce the effect of the lift itself.

An embodiment of the present invention allows the plate-like table assembly for lifting and lowering the object to the ground, and the table assembly has a shape that accommodates the horizontal frame on both sides of the table to accommodate a convenient manual manual lift It aims to provide.

In the present exemplary embodiment, the movable manual table lift includes: a horizontal frame provided at both left and right sides and mounted with a caster for movement to form a lower shape; A vertical frame extending upward from the rear ends of the horizontal frames on both the left and right sides, and having a guide part hollow in the vertical direction and opened in a direction facing each other; The horizontal frame is moved up and down along the guide part, and is disposed in a space between the horizontal frames, and a loading part on which loads are seated, and a space protruding upward from both ends of the loading part and opened downwardly to accommodate the horizontal frame. A table assembly comprising a receptacle for allowing the receptacle to be retracted; A sprocket provided between the vertical frames; A chain connecting the sprocket and the table assembly; A gear assembly connected to the sprocket and coupled in a worm gear manner to transmit rotational force to the sprocket; And a handle unit which is connected to the gear assembly and is rotated by a user, wherein the horizontal frame and the wheel are completely accommodated inside the receiving part while the table assembly is located at the bottom, and the loading part is grounded. It is characterized in that it is formed in contact with.

The handle unit may include a rod connected to the gear assembly; A handle gripped by the user; A connection member which connects the handle rod and the handle and is axially coupled such that the handle is folded to the handle rod side; A fixed groove recessed in the handle; It is supported by a spring on one side of the connecting member, characterized in that it comprises a fixing projection which is constrained to the fixing groove in the folded state.

The fixing grooves are formed in front of the handle and the side of the handle in contact with the connecting member, respectively.

The table assembly includes a plate-shaped mounting plate on which loads are loaded; An extension member connected to a rear end of the loading plate and extending upward; Rotatably connected to both ends of the extension member, respectively, is included in the guide portion and includes a rolling member to move up and down along the guide portion, the cloud member,

A body fixed to one side of the extension member, a radial bearing mounted to penetrate the body, and a radial bearing contacting the front and rear surfaces of the guide part, and protruding outward from a rotation axis of the body, the left or right side of the guide part; It is characterized in that the bearing ball is further provided to prevent the left and right fluctuations in contact with and to guide the vertical movement.

The rolling member is characterized in that the plurality is mounted on each of the left and right sides of the extension member.

The frame may further include a chain guide extending to one side of the sprocket and having a hollow inside to accommodate the chain when the chain moves up and down.

The accommodation portion is formed to have a height corresponding to the height from the bottom of the caster to the top of the horizontal frame.

The receiving portion is characterized in that it is formed to shield the front and left and right sides of the horizontal frame.

At least one horizontal frame connecting the vertical frame is provided between the vertical frames, and the gear assembly is mounted to the horizontal frame.

In the movable manual table lift according to the present embodiment, the following effects can be expected.

In the movable manual table lift according to the present embodiment, the loading plate comes into contact with the ground in a state where the table assembly is positioned at the lowermost position. Therefore, in the case of a heavy object, it is possible to push the object on the loading plate.

In addition, the loading plate is not only formed in a plate shape, but also the loading portion of the loading plate, as well as the receiving portion on both the left and right sides can be placed on the upper surface, it is possible to stably put the goods of various sizes.

In addition, the left and right sides of the mounting portion is formed in the receiving portion to minimize the interference between the horizontal frame and the mounting plate, it is possible to prevent a part of the object is caught between the loading portion and the horizontal frame. In addition, the table assembly may be moved downward in the storage state to shield the wheels and the horizontal frame so that the appearance may be simplified.

In the movable manual table lift according to the present embodiment, a pair of rolling members are provided on both left and right sides of the table assembly, and the rolling members are accommodated in the guide part formed inside the vertical frame to guide the movement of the table assembly during vertical movement. do.

In particular, the rolling member is in contact with the inner surface of the guide portion by the radial bearing and the bearing ball, it is possible to prevent the flow in the front and rear and left and right directions when lifting the table assembly. Therefore, it is possible to reduce the vibration and play during the lifting of the table assembly.

The movable manual table lift according to an embodiment of the present invention includes a handle unit having a handle of a collapsible type. In addition, the handle can be fixed in an unfolded or folded state to facilitate the user's operation and to prevent the table assembly from being inadvertently manipulated or inadvertently moved by the user.

In addition, since the handle can be fixed by the combination of the fixing protrusion and the constraining groove only by the folding or unfolding operation without the need for a separate operation for fixing the handle, there is an advantage in that the convenience of use is increased.

The movable manual table lift according to the embodiment of the present invention is configured to enable the drive of the table assembly by the sprocket and the chain. Thus, the table assembly can be moved without loss of rotational force.

And, one side of the chain is fixed to the table assembly and the other side is inserted into the chain guide to minimize the exposure to the outside to prevent safety accidents due to the exposure of the chain as well as to keep the appearance clean do.

1 is a perspective view of a movable manual table lift according to the present embodiment.
2 is a side view of the movable manual table lift.
3 is a front view of the movable manual table lift.
4 and 5 are a plan view and a side view of the table assembly according to the present embodiment.
6 is a side view of a rolling member mounted to the table assembly.
7 and 8 are front and side views of the driving apparatus according to the present embodiment.
9 is a side view of the handle unit according to the present embodiment.
10 is a view showing a vertical movement state of the table assembly.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings. However, it should be understood that the present invention is not limited to the embodiment shown in the drawings, and that other embodiments falling within the spirit and scope of the present invention may be easily devised by adding, .

1 is a perspective view of a movable manual table lift according to the present embodiment. 2 is a side view of the movable manual table lift. 3 is a front view of the movable manual table lift.

1 to 3, the movable manual table lift 1 according to the embodiment of the present invention includes a frame 10 forming an overall skeleton, a table assembly 20 mounted on the frame 10 and elevating; It may be configured to include a drive device 30 for vertical movement of the table assembly 20.

The frame 10 includes a horizontal frame 110 and a vertical frame 120, and casters 111 and 131 contacting the ground may be provided below the frame 10. Thus, the user can push and move the movable manual table lift 1. A vertical frame 120 is provided at the rear end of the horizontal frame 110. The vertical frame 120 extends upward by a predetermined length, and the table assembly 20 may be mounted on the vertical frame 120.

The table assembly 20 is formed in a plate shape having a predetermined area, and forms a surface on which an object for movement is seated. The table assembly 20 is provided to be movable up and down along the vertical frame 120. To this end, the rolling member 230 in contact with the vertical frame 120 is provided on both left and right sides of the table assembly 20. It may be further provided.

On the other hand, the driving device 30 is provided on the upper portion of the vertical frame 120. The drive device 30 may include a handle unit 330 rotated by a user, a gear assembly 310 for rotating the sprocket 320 by manipulation of the handle unit 330, and one end of the table assembly ( 20 is fixed to the sprocket 320 may be configured to include a chain 340 for moving the table assembly 20 up and down.

The gear assembly 310 may be mounted to an upper horizontal frame 12 disposed above, among the upper horizontal frame 12 and the lower horizontal frame 11 connecting the vertical frame 120 in a horizontal direction. The handle unit 330 may be located at a height that is easy for a user to operate.

In addition, left and right sides of the vertical frame 120 may further include a movement handle 123 that the user can grip when the movable manual table lift 1 moves. The movement handle 123 may be positioned at a height corresponding to the height of the handle unit 330, and may be positioned at a height that can be easily grasped by a user.

Hereinafter, the configuration of the frame will be described in more detail.

The frame 10 may be composed of a horizontal frame 110 and a vertical frame 120.

The horizontal frame 110 is provided with a pair on both left and right sides, and are arranged to be spaced apart from each other. In addition, the horizontal frame 110 may be formed to extend in the horizontal direction, that is, the longitudinal direction. The horizontal frame 110 may be formed in a rod or rod shape having a predetermined width. The front casters 111 are provided at front ends of the horizontal frames 110 on both the left and right sides.

The front end of the horizontal frame 110 is located behind the front end of the table assembly 20. Thus, when the table assembly 20 is positioned at the bottom, the table assembly 20 can be accommodated inside the table assembly 20.

On the other hand, the vertical frame 120 is extended upward from the rear end of each of the horizontal frame 110 on both the left and right sides. The vertical frame 120 may be bent and integrally formed with the horizontal frame 110, or may be coupled to each other by separate coupling members or welding. The vertical frame 120 and the horizontal frame 110 may be formed to vertically cross each other.

The vertical frame 120 may be formed to be opened in a direction facing each other, the guide portion 121 is formed to accommodate the cloud member 230 therein. The guide part 121 forms an inner space of the vertical frame 120 and is formed to be in contact with the cloud member 230 in a state where the cloud member 230 is accommodated.

In detail, the vertical frame 120 is bent in a cross-section '' 'shape, when receiving the cloud member 230 therein, the side and the circumferential surface which is the center of rotation of the cloud member 230, respectively the guide It may be formed to be in contact with the inner surface, that is, all three surfaces of the portion 121. Therefore, when the table assembly 20 is moved up and down, the rolling member 230 is in contact with each surface inside the guide portion 121 formed in the vertical frame 120 does not flow the table assembly 20 Allow to be elevated.

In addition, an upper end of the vertical frame 120 is opened and configured to be shielded by the end cap 122. Therefore, when the table assembly 20 is mounted, the rolling member 230 is inserted through the opened upper end of the vertical frame 120, and the end cap 122 is closed after the table assembly 20 is mounted. The open top of the vertical frame 120 is shielded.

On the other hand, the lower horizontal frame 11 for connecting the vertical frame 120 is provided at the lower end of the vertical frame 120, the upper horizontal connecting the vertical frame 120 on the upper portion of the vertical frame 120 The frame 12 is provided.

The upper horizontal frame 12 may be provided with the gear assembly 310 and the handle unit 330, the sprocket 320 is mounted on the gear assembly 310 is connected to the table assembly 20 ( 340 is configured to roll up or loosen.

In addition, a rear plate 130 extending rearward is provided below the vertical frame 120. The rear plate 130 is formed in a plate shape having a predetermined width to connect the vertical frame 120 on both the left and right sides.

A rear caster 131 is provided on a lower surface of the rear plate 130 to allow the movable manual table lift 1 to move. In addition, a chain guide 132 extending upward may be provided at the center of the rear plate 130. The chain guide 132 may be formed in a pipe shape of which the upper and lower openings are hollow and the inside thereof is hollow, and a part of the chain 340 is accommodated therein so that the chain 340 is lifted when the table assembly 20 is elevated. While guiding, the chain 340 is minimized to the outside. The chain guide 132 may extend to a lower side adjacent to the sprocket 320.

Hereinafter, the configuration of the table assembly will be described in more detail.

4 and 5 are a plan view and a side view of the table assembly according to the present embodiment. 6 is a side view of a rolling member mounted to the table assembly.

4 to 6, the table assembly 20 includes a loading plate 210 that forms a surface on which an object is mounted, an extension member 220 extending upward from a rear end of the loading plate 210, and the It may be configured to include a rolling member 230 provided on both left and right sides of the extension member 220.

The stacking plate 210 may be formed in a plate shape having a rectangular shape, and is formed larger than the left and right widths and the front and rear lengths of the horizontal frame 110, and when viewed from above the stacking plate 210, the horizontal frame ( 110 may be formed to be covered.

 The loading plate 210 may include a loading part 211 that is a part on which an object is mounted and a receiving part 212 in which the side frame 10 is accommodated.

The stacking portion 211 occupies most of the area of the stacking plate 210 and is formed to have a horizontal width corresponding to the distance between the side frames 10. Therefore, the table assembly 20 is formed to be in contact with the ground between the side frame 10 in the lowermost state.

The receiving part 212 is formed at both left and right ends of the loading plate 210, and the loading plate 210 is bent and formed. The accommodating part 212 is formed to protrude upward, and forms a space opened downward, so that the side frame 10 as well as the front caster in a state where the table assembly 20 is moved downward. Do not expose to (111) fully externally received state.

In detail, the accommodation portion 212 is formed at a height corresponding to the height of the top of the horizontal frame 110 on the ground, the space that can accommodate the horizontal frame 110 and the front caster 111 therein Will form. The receiving portion 212 has an upper surface, left and right sides, and a front surface, and is formed to be opened downward, so that the horizontal frame 110 and the front caster 111 are positioned in the lowermost position of the table assembly 20. Is completely accommodated inside the receiving portion 212 may be configured not to be exposed to the outside. At this time, the mounting portion 211 is formed to connect the lower end of the receiving portion 212 on both left and right to be in contact with the ground in the state where the table assembly 20 is located at the bottom.

On the other hand, the rear end of the loading plate 210 is provided with an extension member 220. The extension member 220 may have a width corresponding to the loading portion 211 and may be formed in a plate shape having a predetermined length in the vertical direction. Then, the left and right side ends of the extension member 220 are bent vertically to the rear, thereby forming a mounting portion 221 on which the rolling member 230 is mounted.

Referring to Figure 6, the rolling member 230 is mounted on the outer surface of the mounting portion 221, spaced in the vertical direction is a pair is mounted. Accordingly, four rolling members 230 may be provided at both the mounting portions 221 on both the left and right sides, and the rolling member 230 is the guide when the table assembly 20 is mounted on the vertical frame 120. It can be accommodated in the portion 121.

In detail, the rolling member 230 may include a body 231, a radial bearing 232, and a bearing ball 234. The body 231 forms a rotation center of the rolling member 230 and is fixedly mounted to the mounting portion 221. In addition, a stepped portion 231a is formed in the mounting portion 221 to mount the radial bearing 232. The radial bearing 232 may be formed in a size corresponding to the rolling motion in contact with the inner front and rear of the guide portion 121 in a state accommodated in the guide portion 121. The radial bearing 232 may be fixedly mounted by a snap ring 233 mounted to the body 231.

On the other hand, the bearing ball 234 is mounted to the center of the outer surface of the body 231. The bearing ball 234 is rotatably mounted to a central portion of the outer surface of the body 231, and may be positioned on a central axis extension of the radial bearing 232. The bearing ball 234 may be rotatably mounted to the body 231 by the retainer 235, and is configured to be in contact with one side of the inner left and right sides of the guide part 121.

As such, in the state where the table assembly 20 is mounted, the radial bearing 232 of the rolling member 230 comes into contact with the inner front and the rear of the guide part 121 and rolls, and the bearing ball 234 ) Is in contact with one side of the left and right inner side of the guide portion 121. Therefore, the left and right sides of the table assembly 20 may be supported by three points on the inside of the guide portion 121, respectively, and even when the table assembly 20 is lifted, the play between the left and right or the front and rear is not generated. Can be moved to.

In addition, a chain connection part 222 is further formed at the center of the extension member 220. The chain connection part 222 protrudes backward and is configured such that one end of the chain 340 is connected to move the table assembly 20 together with the movement of the chain 340.

Hereinafter, the driving apparatus will be described in more detail.

7 and 8 are front and side views of the driving apparatus according to the present embodiment. 9 is a side view of the handle unit according to the present embodiment.

7 to 9, the driving device 30 includes a gear assembly 310 for transmitting the rotational force of the handle unit 330, a sprocket 320 mounted to the gear assembly 310, and the sprocket. Chain 340 is connected to the 320, and comprises a handle unit 330 is rotated by the user.

The gear assembly 310 is mounted to the upper horizontal frame 12 and is externally formed by the housing 311. In addition, a worm gear composed of a driving gear 312 and a driven gear 313 is provided inside the housing 311. In addition, the sprocket 320 is fixedly mounted on the axis of rotation of the driven gear 313. In this case, the driven gear 313 is configured such that the rotation shaft is supported inside the housing 311 by a pair of bearings 313a.

The drive gear 312 is provided to penetrate the inside of the housing 311 below the drive gear 312 in a cylindrical shape extending in the front-rear direction. The rotation axis of the drive gear 312 is also configured to be stably rotated by being supported inside the housing 311 by a pair of bearings 312a. In addition, the rotation shaft of the drive gear 312 protrudes out of the housing 311 to be coupled to the handle unit 330. Therefore, when the user rotates the handle unit 330, the drive gear 312 can be rotated.

On the other hand, the sprocket 320 is mounted on the axis of rotation of the driven gear 313 protruding to the outside of the housing 311, and has a structure that is rotated together with the driven gear 313. In addition, the chain 340 is connected to the outer circumference of the sprocket 320. At this time, one end of the chain 340 is fixed to the chain connecting portion 222, the other end is received inside the chain guide 132. Therefore, the chain 340 is moved by the rotation of the sprocket 320, and at this time, the remaining portion of the chain 340 not constrained by the chain guide 132 may be guided.

On the other hand, the handle unit 330 is a handle 331 that is held by the user hand, a rod 332 connected to the rotation axis of the drive gear 312, and connects the handle 331 and the rod 332 It may be composed of a connecting member 333. In addition, the handle 331 may be folded and fixed when the user is not in use.

In detail, the handle 331 is formed to have a length that is easy for the user to grip, and each of the restraint grooves 331a and 331b is recessed in front and side ends of the handle 331. And, the first half of the handle 331 is configured to be axially coupled by the connecting member 333 can be folded.

One end of the rod 332 is coupled to the rotation shaft of the drive gear 312 to have the same rotation axis as the rotation axis of the drive gear 312. In addition, the connection member 333 is coupled to the other end of the rod 332. The connection member 333 may be axially coupled to one side of the rod 332 to be rotatably mounted.

The connection member 333 is axially coupled to the one side is coupled to the rod 332, the other side is axially coupled so that the handle 331 can be folded. On the other hand, one side of the connection member 333 to which the handle 331 is coupled is formed with a restraining protrusion (333a). The restraining protrusion 333a may protrude from the connecting member 333 and be formed in a corresponding shape so as to be accommodated inside the restraining grooves 331a and 331b. In addition, the restraining protrusion 333a may be integrally formed with the connection member 333, or a ball supported by the elastic member may be provided.

In the state in which the handle 331 is unfolded, the restraining protrusion 333a is inserted into the restraint groove 331a of the front end of the handle 331 to maintain the handle 331 in the unfolded state. Then, in the folded state of the handle 331 as shown in Figure 9 so that the restraining protrusion 333a is inserted into the restraint groove 331b of the side of the handle 331 so that the handle 331 can maintain the folded state do.

Hereinafter, the operation of the mobile manual table lift having the above configuration will be described.

10 is a view showing a vertical movement state of the table assembly.

Referring to FIG. 10, in order to transfer an object using the movable manual table lift 1, the movable manual table lift 1 is first moved to a position to be worked.

And. After unfolding and fixing the folded handle 331, the handle unit 330 is rotated in the forward rotation direction. The drive gear 312 and the driven gear 313 are rotated in turn by the rotation of the handle unit 330, and the chain 340 is moved by the rotation of the sprocket 320. At this time, one side of the chain 340 that is not fixed is moved in the direction coming out of the chain guide 132.

The table assembly 20 is moved downward by the movement of the chain 340, and finally the loading part 211 is moved to a position in contact with the ground. In such a state, the accommodating part 212 completely accommodates the horizontal frame 110 and the front caster 111 and shields them from being exposed to the outside.

In this state, the user can push the object to the loading unit 211, and in the state in which the object is placed in the loading unit 211, the user rotates the handle unit 330 in the reverse rotation direction .

The driving gear 312 and the driven gear 313 rotate in turn by the rotation of the handle unit 330, and the chain 340 moves by the rotation of the sprocket 320. At this time, one side of the chain 340 that is not fixed is moved in the direction of insertion into the chain guide 132.

The table assembly 20 moves upward by the movement of the chain 340, and the user rotates the handle unit 330 until the user reaches a desired height.

On the other hand, after the operation of the handle unit 330 is completed, the handle 331 is folded and fixed, and the handle unit is prevented from being rotated due to inadvertent or incorrect operation of the operator.

1. Removable manual table lift 10. Frame
20. Table assembly 30. Drive
110. Horizontal Frame 120. Vertical Frame
121.Guide section 130.Rear plate
210. Load plate 211. Stacking section
212. Accommodating part 220. Connecting member
230. Rolling member 310. Gear assembly
320. Sprocket 330. Handle Unit
340. Chain

Claims (9)

Horizontal frames each provided on both left and right sides and having casters for movement to form a lower portion thereof;
A vertical frame extending upward from the rear ends of the horizontal frames on both the left and right sides, and having a guide part hollow in the vertical direction and opened in a direction facing each other;
The horizontal frame is moved up and down along the guide part, and is disposed in a space between the horizontal frames, and a loading part on which loads are seated, and a space protruding upward from both ends of the loading part and opened downwardly to accommodate the horizontal frame. A table assembly comprising a receptacle for allowing the receptacle to be retracted;
A sprocket provided between the vertical frames;
A chain connecting the sprocket and the table assembly;
A gear assembly connected to the sprocket and coupled in a worm gear manner to transmit rotational force to the sprocket; And
A handle unit connected to the gear assembly and rotatably operated by a user,
And the horizontal frame and the wheel are completely accommodated inside the receiving portion in the state where the table assembly is located at the lowermost position, and the loading portion is formed to be in contact with the ground.
The method of claim 1,
The handle unit,
A rod connected with the gear assembly;
A handle gripped by the user;
A connection member which connects the handle rod and the handle and is axially coupled such that the handle is folded to the handle rod side;
A fixed groove recessed in the handle;
A movable manual table lift, characterized in that it is supported by a spring on one side of the connection member, and includes a fixing protrusion that is constrained to the fixing groove in the folded state of the handle.
3. The method of claim 2,
The fixed groove is a movable manual table lift, characterized in that formed on the front end of the handle and the side of the handle in contact with the connecting member.
The method of claim 1,
The table assembly,
A plate-shaped loading plate on which loads are loaded;
An extension member connected to a rear end of the loading plate and extending upward;
Rotatably connected to both ends of the extension member, the rolling member accommodated inside the guide part and moving up and down along the guide part,
Wherein,
A body fixed to one side of the extension member;
A radial bearing mounted to penetrate the body and in contact with the front and rear surfaces inside the guide part;
A movable manual table lift, which protrudes outward from the axis of rotation of the body and is provided with a bearing ball that contacts the left side or the right side of the guide part to prevent left and right fluctuations and guides the vertical movement.
5. The method of claim 4,
The rolling member is a movable manual table lift, characterized in that a plurality is mounted on each of the left and right sides of the extension member.
The method of claim 1,
The frame extends to one side of the sprocket and the inside is hollow is a movable manual table lift, characterized in that the chain guide is further provided to accommodate the chain when the chain moves up and down.
The method of claim 1,
And the accommodation portion is formed to have a height corresponding to a height from a bottom of the caster to an upper end of the horizontal frame.
The method of claim 7, wherein
The receiving portion is movable manual table lift, characterized in that formed to shield the front and left and right sides of the horizontal frame.
The method of claim 1,
At least one horizontal frame connecting the vertical frame is provided between the vertical frames,
And the gear assembly is mounted to the horizontal frame.
KR1020120061999A 2012-06-11 2012-06-11 A movable manual type table lift KR20130138437A (en)

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KR1020120061999A KR20130138437A (en) 2012-06-11 2012-06-11 A movable manual type table lift

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104390909A (en) * 2014-12-03 2015-03-04 广州大学 Novel semi-automatic mounting device for support test
WO2020161859A1 (en) * 2019-02-07 2020-08-13 三菱電機株式会社 Lifter
CN114436154A (en) * 2022-02-23 2022-05-06 北京半导体专用设备研究所（中国电子科技集团公司第四十五研究所） Lifting translation carrying device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104390909A (en) * 2014-12-03 2015-03-04 广州大学 Novel semi-automatic mounting device for support test
WO2020161859A1 (en) * 2019-02-07 2020-08-13 三菱電機株式会社 Lifter
CN114436154A (en) * 2022-02-23 2022-05-06 北京半导体专用设备研究所（中国电子科技集团公司第四十五研究所） Lifting translation carrying device

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