Telescopic movable workbench

Abstract

The utility model discloses a telescopic movable working table which comprises a movable table frame capable of moving front and back, a fixed table frame of a frame structure, a liftable storage table and a lifting mechanism. A left side frame and a right side frame of the fixed table frame are respectively connected with the movable table frame in a sliding manner in the front-back direction; at the beginning, the tabletop fixed to the movable table frame covers the opening in the top of the fixed table frame, and when the movable table frame moves forwards to be away from the fixed table frame, the lifting mechanism can lift the storage table to the opening; the left end and the right end of the storage table are each fixedly provided with a sliding block, and the two sliding blocks are vertically and slidably connected with the corresponding left frame or the corresponding right frame. A horizontal rod located below the storage table is fixed between the two sliding blocks. The lifting mechanism comprises the object hinge assembly, the object containing table is lifted through the unfolding and folding effects of the object hinge assembly, and the advantages of being rapid in lifting and saving cost are achieved.

Description

Technical Field

[0001] This utility model relates to the field of workbenches, and more particularly to a retractable and movable workbench. Background Technology

[0002] Whether it's a workshop workbench, an office desk, or a home desk, workbenches are indispensable. The functional requirements for workbenches are also increasing. On the one hand, workbenches need to be height adjustable; on the other hand, they need to be able to store items; and on the other hand, they need to take up little space and be easy to store.

[0003] Existing lifting workbenches are generally powered by electricity, such as the desk with application number CN202010922506.3 and application name "A Novel Hidden Linkage Desk"; some workbenches are manual, such as the workbench with application number CN201922226302.1 and application name "A Liftable Work Platform", which is achieved by manually turning a lead screw.

[0004] Existing lifting worktables suffer from both high costs due to electric lifting and time-consuming and labor-intensive manual lifting. Therefore, there is an urgent need for a cost-effective and quick-lifting telescopic mobile worktable. Utility Model Content

[0005] The purpose of this invention is to provide a cost-effective, quick-lifting, and retractable mobile workbench.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A retractable mobile workbench includes a movable table frame that can move back and forth, a fixed table frame with a frame structure, a height-adjustable storage platform, and a lifting mechanism;

[0008] The left and right frames of the fixed table frame are slidably connected to the movable table frame in the front-to-back direction, respectively.

[0009] Initially, the fixed tabletop on the movable table frame covers the opening at the top of the fixed table frame. When the movable table frame moves forward away from the fixed table frame, the lifting mechanism can raise the shelf to the opening.

[0010] Each of the left and right ends of the shelf is fixed with a slider, and the two sliders are vertically slidably connected to the corresponding left or right frame.

[0011] It also includes a horizontal bar located below the shelf, the horizontal bar being fixedly connected to the two sliders;

[0012] The lifting mechanism includes a footrest frame, a hinged assembly, an inclined square frame, a lever shaft, and two connecting rods.

[0013] The top of the inclined square frame is hinged to the left and right ends of the horizontal bar, and the bottom of the inclined square frame is located in front of and below the horizontal bar and is hinged to the front end of the foot pedal frame. The foot pedal frame is inclined and has a low front end and an upturned rear end.

[0014] The left and right ends of the lever shaft are fixed to the fixed table frame and located above the footrest frame;

[0015] The foot pedal frame is hinged to the left and right ends of the lever shaft, and the foot pedal frame rotates about the lever shaft as the axis of rotation.

[0016] The opposing hinge assembly includes an upper hinge rod and a lower hinge rod connected by a movable hinge. The top end of the upper hinge rod is hinged to the horizontal rod, the bottom end of the upper hinge rod is hinged to the lever shaft, and a foot pedal is fixed to the bottom end of the lower hinge rod.

[0017] Stepping on the rear end of the foot pedal frame causes the front end of the foot pedal frame to flip upwards. At the same time, the upper and lower hinge rods unfold together into a straight line. The distance between the horizontal rods increases due to the unfolding effect of the opposing hinge components, thus raising the horizontal rods. Stepping on the foot pedal causes the upper and lower hinge rods to fold, reducing the angle between the foot pedal frame and the inclined square frame, thus lowering the horizontal rods.

[0018] Furthermore, it also includes a lifting power assembly, which includes two synchronously moving lifting sliders, a first hinged screw disposed on each lifting slider, several intermediate pulleys, two second hinged screws respectively disposed at the left and right ends of the horizontal bar, and two sliding ropes respectively arranged on the left and right sides of the fixed table frame.

[0019] The two lifting sliders are respectively slidably connected to the left and right sides of the front end face of the fixed table frame;

[0020] One end of each of the sliding ropes is fixed to the first hinge screw, and the other end passes upward through several intermediate pulleys and is then fixed downward to the second hinge screw; the path of the sliding rope is door frame shaped.

[0021] The front end face of the fixed table frame is provided with blocking rings on the left and right sides to prevent the lifting slider from moving upward.

[0022] When the horizontal bar causes the second hinge screw to rise, the lifting slider causes the first hinge screw to fall; when the horizontal bar causes the second hinge screw to fall, the lifting slider causes the first hinge screw to rise to the blocking ring.

[0023] Furthermore, the bottom of the fixed table frame and the bottom of the movable table frame are respectively equipped with casters.

[0024] Furthermore, the fixed table frame is a handcart.

[0025] Furthermore, a storage basket is placed on the shelf.

[0026] Furthermore, it also includes a foot pedal locking rod, the main body of which is arranged perpendicularly to and hinged to the lever shaft; a first positioning rod and a second positioning rod are vertically fixed on the right side of the fixed table frame;

[0027] The foot pedal locking lever also includes a first locking lever that slopes from top to bottom and from front to back, and a vertical second locking lever;

[0028] When the desktop covers the opening at the top of the fixed table frame, the foot locking rod hooks the second positioning rod through the second locking rod, and the first positioning rod moves away from the first locking rod;

[0029] When the rear end of the main body is stepped down, the front end of the main body rotates upward, allowing the second positioning rod to move forward. After the tabletop moves forward, the first locking rod prevents the first positioning rod from retracting.

[0030] In the above technical solution, the present invention has the following beneficial effects:

[0031] First, it is easy to operate: the upper and lower hinge rods can be raised by stepping on the pedals twice, thus completing the lifting and lowering of the platform. The lifting and lowering work can be completed while standing, without hurting the back.

[0032] Secondly, it is low in cost: it does not use an electrically driven lifting mechanism, but instead uses an inexpensive opposing hinge assembly to receive external force provided by the user.

[0033] Finally, it is multifunctional, compact, and easy to store. When in use, the desktop and the shelf can be placed side by side, making it easy to move items from the shelf to the desktop. When not in use, the shelf can be lowered into the fixed table frame, and the desktop can be covered or concealed above the shelf, resulting in a neat appearance. Attached Figure Description

[0034] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0035] Figure 1 This is a side view of the retractable mobile worktable disclosed in this utility model.

[0036] Figure 2 This is a three-dimensional structural diagram of the retractable mobile worktable disclosed in this utility model.

[0037] Figure 3 This is a structural schematic diagram of the fixed table frame disclosed in this utility model;

[0038] Figure 4 This is a schematic diagram of the movable table frame structure disclosed in this utility model;

[0039] Figure 5 This is a schematic diagram of the lifting power component disclosed in this utility model;

[0040] Figure 6 This is a schematic diagram of the connection between the lever shaft and the foot pedal disclosed in this utility model.

[0041] Figure 7 This is a schematic diagram of the lifting mechanism disclosed in this utility model.

[0042] Figure 8 This is a schematic diagram of the initial foot pedal locking rod structure disclosed in this utility model.

[0043] Figure 9 This is a schematic diagram of the foot pedal locking rod structure disclosed in this utility model before reversing.

[0044] Figure label:

[0045] 1. Movable table frame, 11. First positioning rod, 2. Fixed table frame, 23. Blocking ring, 3. Storage platform, 31. Slider, 41. Foot pedal frame, 42. Opposing hinge assembly, 43. Inclined square frame, 44. Lever shaft, 45. Connecting block, 43. Horizontal bar, 51. Lifting slider, 52. First hinge screw, 53. Second hinge screw, 54. Sliding rope, 6. Foot pedal locking rod, 61. First locking rod, 62. Second locking rod. Detailed Implementation

[0046] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0047] It should be noted that the terms "above," "one end," "up," etc. used in this document indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description. Similar expressions are only for illustrative purposes and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "part," "two parts," etc. are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0048] like Figure 1-9 The retractable mobile workbench shown includes a movable table frame 1 that can move back and forth, a fixed table frame 2 with a frame structure, a height-adjustable storage platform 3, and a lifting mechanism.

[0049] The fixed table frame is a frame structure, preferably including a base plate, and a left side frame, a right side frame, a front side frame and a rear side frame that are vertically fixed around the base plate.

[0050] The movable table frame 1 is preferably a frame structure with an opening on the side facing the fixed table frame 2, including a tabletop, a bottom surface, and a front surface that vertically connects to the tabletop and bottom surface. The opening accommodates the fixed table frame, making it easy for the movable table frame 1 and the fixed table frame 2 to be initially stored together.

[0051] The left and right frames of the fixed table frame are slidably connected to the movable table frame 1 in the front-to-back direction. The left and right ends of the tabletop and bottom of the movable table frame 1 are fixed with sliders, which can be fitted onto the outside of the sliding rods on the fixed table frame 2.

[0052] Initially, the fixed tabletop on the movable table frame 1 covers the opening at the top of the fixed table frame 2. When the movable table frame 1 moves forward away from the fixed table frame 2, the lifting mechanism can raise the shelf 3 to the opening.

[0053] A slider 31 is fixed at each of the left and right ends of the shelf 3. The two sliders 31 are vertically slidably connected to the left or right frame of the corresponding fixed table frame 2. A horizontal rod 431 is fixed between the two sliders 31 and located below the shelf 3. The length of the horizontal rod 431 is arranged along the left and right sides, and the shelf 3 and the horizontal rod 431 can move up and down synchronously.

[0054] The lifting mechanism includes a footrest frame 41, an opposing hinge assembly 42, an inclined square frame 43, a lever shaft 44, and two connecting blocks 45.

[0055] The top of the inclined square frame 43 is hinged to the left and right ends of the horizontal bar 431, and the bottom of the inclined square frame 43 is located below and in front of the horizontal bar 431 and hinged to the front end of the foot pedal frame 41. The foot pedal frame 41 is inclined with a lower front end and a raised rear end. The inclined square frame 43 and the foot pedal frame 41 together form a V-shape and are both inclined towards the ground. The top of the inclined square frame 43 is higher than the rear end of the foot pedal frame 41. The two are hinged at the base of the V-shape, with the hinge axis in the left-right direction.

[0056] The lever shaft 44 is a rod arranged in the left-right direction, with its left and right ends fixed to the fixed table frame 2 and located above the foot pedal frame 41. The foot pedal frame is hinged to the left and right ends of the lever shaft, and the foot pedal frame 41 rotates about the lever shaft 44 as the axis of rotation.

[0057] Specifically, at the rear end of the footrest frame 41, the bottom of a connecting block 45 is fixed at both the left and right ends, and the top of the connecting block 45 is hinged to the left and right ends of the lever shaft 44.

[0058] The opposing hinge assembly 42 includes an upper hinge rod and a lower hinge rod connected by a movable hinge. The top end of the upper hinge rod is hinged to the horizontal rod 431, and the bottom end of the upper hinge rod is hinged to the lever shaft 44. A foot pedal is fixed to the bottom end of the lower hinge rod. The opposing hinge assembly 42 is located at the middle position between the lever shaft 44 and the horizontal rod 431.

[0059] The opposing hinge assembly 42 has two states, allowing the upper and lower hinge rods to be folded together or joined together as a single straight rod. Magnetic or locking elements are provided on the hinged ends of the upper and lower hinge rods, enabling a more secure connection between them into a straight line.

[0060] Stepping on the rear end of the footrest frame 41 causes the front end of the footrest frame 41 to flip upwards, and the top of the inclined square frame 43 moves upwards in a straight line until the upper and lower hinge rods unfold together into a straight line. The footrest frame 41, the inclined square frame 43, the opposing hinge assembly 42, and the connecting block 45 together form a triangle. The upper and lower hinge rods are positioned opposite each other as a single rod, providing stable support for the horizontal bar 431. The distance between the horizontal bar 431 and the lever axis 44 increases due to the unfolding action of the opposing hinge assembly 42, thus raising the horizontal bar 431.

[0061] When the foot pedal is stepped on, the upper and lower hinge rods are folded by external force. The upper and lower hinge rods are of the same length, and the V-shaped angle formed by the openings facing forward becomes smaller. This reduces the angle between the foot pedal frame 41 and the inclined square frame 43, thus lowering the horizontal bar 431. The front end of the foot pedal frame 41 can be grounded.

[0062] Preferably, the device also includes a lifting power assembly, which comprises two synchronously moving lifting sliders 51, a first hinged screw 52 disposed on each lifting slider 51, several intermediate pulleys, two second hinged screws 53 disposed at the left and right ends of the horizontal bar 431 respectively, and two sliding ropes 54 disposed on the left and right sides of the fixed table frame 2 respectively. The several intermediate pulleys are divided into two groups and are arrayed on the left and right sides of the top frame of the fixed table frame respectively.

[0063] Two lifting sliders 51 are slidably connected to the left and right sides of the front frame of the fixed table frame 2, respectively, and the two lifting sliders 51 are fixedly connected to each other.

[0064] One end of each sliding rope 54 is fixed to the first hinge screw 52, ​​and the other end passes upward through several intermediate pulleys and is fixed downward to the second hinge screw 53; the path of the sliding rope 54 is door frame shaped.

[0065] The left and right sides of the front frame of the fixed table frame 2 are provided with blocking rings 23 to prevent the lifting slider 51 from moving upward.

[0066] When the horizontal bar 431 causes the second hinge screw 53 to rise, the gravity of the lifting slider 51 causes the first hinge screw 52 to fall; when the horizontal bar 431 causes the second hinge screw 53 to fall, the lifting slider 51 causes the first hinge screw 52 to rise to the blocking ring 23. This maintains the initial tilted posture of the footrest frame 41.

[0067] Preferably, the bottom of the fixed table frame 2 and the bottom of the movable table frame 1 are each equipped with casters. This facilitates the movement of the fixed table frame 2 and the movable table frame 1.

[0068] Preferably, the fixed table frame 2 is a handcart.

[0069] Preferably, a storage basket is placed on the shelf 3. The storage basket can be taken from the shelf to the table.

[0070] Preferably, it also includes a foot pedal locking rod 6, the main body of which is arranged in a front-to-back direction perpendicularly to and hinged to the lever shaft 44; the main body of the foot pedal locking rod 6 forms a lever with the straight line of the lever shaft 44 as the fulcrum. When the foot is pressed down on the rear end of the main body, the front end of the main body will rise. The foot pedal locking rod 6 is located above the bottom surface of the movable table frame.

[0071] A first positioning rod 11 is fixed at the middle position of the right side of the bottom surface of the movable table frame. The specific position of the first positioning rod 11 on the right side is determined as needed based on the fixed position of the tabletop. Initially, the first positioning rod 11 is located behind the front side of the bottom surface of the movable table frame. The first positioning rod 11 is arranged in a left-right direction.

[0072] The foot pedal locking lever 6 also includes a first locking lever 61 that slopes downwards and backwards from back to front, and a vertical second locking lever 62. The overall structure of the foot pedal locking lever 6 is similar to F. The first locking lever 61 is located between the lever shaft 44 and the second locking lever 62. The second locking lever 62 is located at the front end of the foot pedal locking lever 6.

[0073] When the desktop covers the opening at the top of the fixed table frame 2, the bottom of the foot locking rod 6 has two support points: the front side of the bottom surface of the movable frame and the lever shaft 44. The foot locking rod 6 hooks the front side of the bottom surface of the movable frame through the second locking rod 62 to restrict the movable table frame from leaving the fixed table frame, and the first positioning rod 11 moves away from the first locking rod 61.

[0074] When the foot steps down on the rear end of the main body, the front end of the main body rotates upward, allowing the movable frame 1 to move forward. After the tabletop moves forward, the first positioning rod 11 is positioned in front of the first locking rod 61. When the foot releases the rear end of the main body, the first locking rod 61 falls down, preventing the first positioning rod 11 from moving backward and damaging the raised shelf.

[0075] The first locking rod 61 is arranged at an angle from top to bottom and from front to back. This is so that when the movable table frame is moved backward, the rear end of the main body is stepped down. During the upward and forward rotation of the first locking rod 61, the first locking rod 61 smoothly leaves the first positioning rod 11. After the movable bracket moves backward into place, the foot is released and the first locking rod 61 falls down.

[0076] Preferably, it also includes a foot pedal locking rod 6, the main body of which is arranged perpendicularly to and hinged to the lever shaft 44; a first positioning rod 11 is fixed at the middle position of the right side of the bottom frame of the movable table frame 1;

[0077] The foot pedal locking lever 6 also includes a first locking lever 61 that slopes from top to bottom and from front to back, and a vertical second locking lever 62;

[0078] When the desktop covers the opening at the top of the fixed table frame 2, the foot locking rod 6 hooks onto the front side of the bottom surface of the movable table frame 1 through the second locking rod 62, and the first positioning rod 11 moves away from the first locking rod 61;

[0079] When the foot steps down to the rear end of the main body, the front end of the main body rotates upward, allowing the movable table frame 1 to move forward. After the tabletop moves forward, the first locking rod 61 blocks the first positioning rod from retracting.

[0080] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A retractable mobile worktable, characterized in that, It includes a movable table frame (1) that can move back and forth, a fixed table frame (2) with a frame structure, a height-adjustable storage platform (3) and a lifting mechanism; The left and right frames of the fixed table frame (2) are slidably connected to the movable table frame (1) in the front-back direction, respectively. Initially, the fixed tabletop on the movable table frame (1) covers the opening at the top of the fixed table frame (2). When the movable table frame (1) moves forward away from the fixed table frame (2), the lifting mechanism can raise the shelf (3) to the opening. The left and right ends of the shelf (3) are each fixed with a slider (31), and the two sliders (31) are vertically slidably connected to the corresponding left or right frame. It also includes a horizontal bar (431) located below the shelf (3), the horizontal bar (431) being fixedly connected to the two sliders (31); The lifting mechanism includes a footrest frame (41), an opposing hinge assembly (42), an inclined square frame (43), and a lever shaft (44). The top of the inclined square frame (43) is hinged to the left and right ends of the horizontal bar (431), the bottom of the inclined square frame (43) is located below the front of the horizontal bar (431) and is hinged to the front end of the foot frame (41), and the foot frame (41) is inclined with the front end low and the rear end up. The left and right ends of the lever shaft (44) are fixed on the fixed table frame (2) and located above the footrest frame (41); The foot pedal frame (41) is hinged to the left and right ends of the lever shaft (44), and the foot pedal frame (41) rotates about the lever shaft (44) as the axis of rotation. The opposing hinge assembly (42) includes an upper hinge rod and a lower hinge rod connected by a movable hinge. The top end of the upper hinge rod is hinged to the horizontal rod (431), the bottom end of the upper hinge rod is hinged to the lever shaft (44), and the bottom end of the lower hinge rod is fixed with a foot pedal. Stepping on the rear end of the foot pedal frame (41) causes the front end of the foot pedal frame (41) to flip upwards. At the same time, the upper hinge rod and the lower hinge rod unfold together into a straight line. The distance between the horizontal rod (431) and the lever shaft rod (44) increases due to the unfolding effect of the opposing hinge assembly (42), thereby raising the horizontal rod (431). Stepping on the foot pedal causes the upper hinge rod and the lower hinge rod to be in a folded state, thereby reducing the angle between the foot pedal frame (41) and the inclined square frame (43), thereby lowering the horizontal rod (431).

2. The retractable mobile workbench according to claim 1, characterized in that, It also includes a lifting power assembly, which includes two synchronously moving lifting sliders (51), a first hinge screw (52) set on each of the lifting sliders (51), several intermediate pulleys, two second hinge screws (53) respectively set on the left and right ends of the horizontal bar (431), and two sliding ropes (54) respectively arranged on the left and right sides of the fixed table frame (2). The two lifting sliders (51) are slidably connected to the left and right sides of the front end face of the fixed table frame (2); One end of each of the sliding ropes (54) is fixed to the first hinge screw (52), and the other end passes upward through several intermediate pulleys and is fixed downward to the second hinge screw (53); the path of the sliding rope (54) is door frame shaped; The fixed table frame (2) has a blocking ring (23) on the left and right sides of the front end face to prevent the lifting slider (51) from moving upward. When the horizontal bar (431) drives the second hinge screw (53) to rise, the lifting slider (51) drives the first hinge screw (52) to fall; when the horizontal bar (431) drives the second hinge screw (53) to fall, the lifting slider (51) drives the first hinge screw (52) to rise to the blocking ring (23).

3. The retractable mobile workbench according to claim 1, characterized in that, The bottom of the fixed table frame (2) and the bottom of the movable table frame (1) are respectively provided with casters.

4. A retractable mobile workbench according to claim 3, characterized in that, The fixed table frame (2) is a handcart.

5. A retractable mobile workbench according to claim 1, characterized in that, A storage basket is placed on the shelf (3).

6. A retractable mobile workbench according to claim 1, characterized in that, It also includes a foot pedal locking rod (6), the main body of which is arranged perpendicularly to and hinged to the lever shaft (44); a first positioning rod (11) is fixed at the middle position of the right side of the bottom frame of the movable table frame (1). The foot pedal locking rod (6) also includes a first locking rod (61) that is inclined from top to bottom and from front to back, and a vertical second locking rod (62) from back to front. When the desktop covers the opening at the top of the fixed table frame (2), the foot locking rod (6) hooks the front side of the bottom surface of the movable table frame (1) through the second locking rod (62), and the first positioning rod (11) moves away from the first locking rod (61). When the rear end of the main body is stepped down, the front end of the main body is rotated upward so that the movable table frame (1) can move forward. After the tabletop moves forward, the first locking rod (61) blocks the first positioning rod (11) from moving backward.

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