CN212220329U - Plate safety cart - Google Patents

Abstract

The utility model discloses a plate safety cart, which comprises a bottom plate, the upper surface of the bottom plate is connected with a threaded rod in a rotating manner, the threaded section of the threaded rod is in threaded connection with a lifting block, the lifting block is connected with a stroke rod in a penetrating and sliding manner, the rear side wall of the lifting block is provided with one end of an L-shaped rod, the upper surface of the bottom plate is provided with a square shell corresponding to the position outside the threaded rod, the front side wall and the rear side wall of the square shell are connected with a worm in a penetrating and rotating manner, the worm is meshed with the worm wheel, the front part of the worm is positioned outside the square shell, a pressing plate is driven to move so as to press the plate, and the; the stroke rod is provided with scale marks, and an operator can count the number of the plates through the scales shown by the scale marks; the utility model discloses the lift of lifter block is through foot control, and when trampling one side rack, the lifter block rises, and when trampling opposite side rack, the lifter block descends, operates simply swiftly.

Description

Plate safety cart

Technical Field

The utility model relates to a shallow technical field, specific field is panel safety shallow.

Background

At present, the decorating material plays an increasingly important role in the life of people, the economic role of a decorating industry chain is also remarkably improved, and the decorating cost is basically composed of manpower and materials, so that the improvement of the work efficiency of workers and the control of the material cost are the way of the life of enterprises in the decorating industry.

The traditional plate safety cart has a single function, can only meet the temporary stacking and carrying requirements of plates, and cannot count the number of the plates; panel leads to dropping because of rocking easily in the transportation, has also had certain potential safety hazard when having increased operator's work burden, here, provides a neotype panel safety shallow and solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a plate safety cart to solve the problems of the traditional plate safety cart in the background art, which has single function, can only meet the temporary stacking and carrying of plates and can not count the number of the plates; the plate is easy to fall off due to shaking in the transportation process, the labor burden of an operator is increased, and meanwhile, the problem of certain potential safety hazard exists.

In order to achieve the above object, the utility model provides a following technical scheme: the plate safety cart comprises a bottom plate, wherein the upper surface of the bottom plate is rotatably connected with a threaded rod, the threaded section of the threaded rod is in threaded connection with a lifting block, the lifting block is connected with a stroke rod in a penetrating and sliding mode, the lower end of the stroke rod is fixedly connected with the upper surface of the bottom plate, the rear side wall of the lifting block is provided with one end of an L-shaped rod, the other end of the L-shaped rod is provided with a pressing plate, the lower portion of the threaded rod is sleeved with a worm wheel, the upper surface of the bottom plate is provided with a square shell corresponding to the outer portion of the threaded rod, the front side wall and the rear side wall of the square shell are rotatably connected with a worm in a penetrating mode, the worm is meshed with the worm wheel, the front portion of the worm is located outside the square shell, the front portion of the worm is provided, the outer edge department of two the carousel all sets up flutedly, the inside of recess all articulates there is the voussoir, the voussoir with spacing groove looks adaptation and setting are different two in the recess setting opposite direction of voussoir, the lower lateral wall of voussoir with be equipped with the spring leaf between the last lateral wall of recess, the upper surface of bottom plate is equipped with two L shape framves, the stroke groove has been seted up on the lateral wall of L shape frame, run through sliding connection in the stroke groove and have the rack, the rack in opposite directions surface all is equipped with the rack, each the rack respectively with each ring gear looks adaptation, the upper surface of rack all is equipped with extension spring's one end, extension spring's the other end with the upper portion fixed connection of L shape frame.

Preferably, the side walls of the lower part of the rack frame are provided with foot pedals.

Preferably, the stroke rod is provided with scale marks.

Preferably, the four corners of the lower surface of the bottom plate are provided with universal wheels, and the universal wheels are provided with locking structures.

Preferably, a pushing handle is arranged on one side of the upper surface of the bottom plate.

Preferably, the helix angle of unwinding of the worm is less than the angle of friction of the worm wheel and worm contact.

Preferably, the lower surface of the pressure plate is provided with a rubber cushion.

Compared with the prior art, the beneficial effects of the utility model are that: the lifting block can move up and down along the stroke rod under the driving of the threaded rod to drive the pressing plate to move so as to press the plates, so that the plates are prevented from falling off in the moving process; the stroke rod is provided with scale marks, and an operator can count the number of the plates through the scales shown by the scale marks; the utility model discloses the lift of lifter block is through foot control, and when trampling one side rack, the lifter block rises, and when trampling opposite side rack, the lifter block descends, operates simply swiftly.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a left side view structure diagram of the present invention;

fig. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic view of a portion of the enlarged structure of FIG. 1;

fig. 5 is a schematic view of a partial enlarged structure at B in fig. 1 according to the present invention;

fig. 6 is a schematic diagram of a partial enlarged structure at C in fig. 4 according to the present invention.

In the figure: 1-bottom plate, 2-threaded rod, 3-lifting block, 4-stroke rod, 5-L-shaped rod, 6-pressing plate, 7-worm wheel, 8-square shell, 9-worm, 10-rotary table, 11-gear ring, 12-limit groove, 13-groove, 14-wedge block, 15-spring leaf, 16-L-shaped frame, 17-stroke groove, 18-rack frame, 19-rack, 20-extension spring, 21-pedal plate, 22-universal wheel and 23-pushing handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: the plate safety cart comprises a bottom plate 1, wherein the bottom plate 1 is a square plate, the upper surface of the bottom plate 1 is rotatably connected with a threaded rod 2, a bearing is arranged at the rotating joint, the threaded section of the threaded rod 2 is in threaded connection with a lifting block 3, a stroke rod 4 is in penetrating sliding connection with the lifting block 3, the lower end of the stroke rod 4 is fixedly connected with the upper surface of the bottom plate 1, the rotary motion of the threaded rod 2 can be converted into the motion of the lifting block 3 along the vertical direction of the stroke rod 4, the rear side wall of the lifting block 3 is provided with one end of an L-shaped rod 5 which is fixedly connected with the lifting block, the other end of the L-shaped rod 5 is provided with a pressing plate 6 which is fixedly connected with the lifting block, the lower part of the threaded rod 2 is sleeved with a worm wheel 7, the upper surface of the bottom plate 1 is provided with a square shell 8 corresponding to the outer part of the, the meshing surface is provided with lubricating grease, the front part of the worm 9 is positioned outside the square shell 8, as shown in fig. 4, the front part of the worm 9 is provided with two rotating discs 10, the axial positions of the two rotating discs 10 are mutually staggered, the outer parts of the rotating discs 10 are both sleeved with gear rings 11, in addition, the rear part of the rotating discs 10 is provided with a limiting plate for limiting the axial position of the gear rings 11, the inner side wall of the gear rings 11 is circumferentially provided with a plurality of limiting grooves 12, the outer edges of the two rotating discs 10 are both provided with grooves 13, the inner parts of the grooves 13 are both hinged with wedge blocks 14, the wedge blocks 14 are matched with the limiting grooves 12 and are arranged in the two different grooves 13, the arrangement directions of the two wedge blocks 14 are opposite, a spring leaf 15 is arranged between the lower side wall of the wedge block 14 and the upper side wall of the groove 13, the upper surface of the bottom plate 1 is provided with two L-shaped frames 16, a rack 18 is connected in the stroke slot 17 in a penetrating and sliding manner, racks 19 are arranged on the opposite surfaces of the rack 18, the rack 18 is arranged in a manner shown in fig. 5, each rack 19 is respectively matched with each gear ring 11, one end of an extension spring 20 is arranged on the upper surface of the rack 18, the other end of the extension spring 20 is fixedly connected with the upper part of the L-shaped frame 16, and when the extension spring 20 is in a free state, the rack 19 on the side is not meshed with the corresponding gear ring 11.

Specifically, the lower part lateral wall of rack 18 all is equipped with running-board 21, and the lower part of rack 18 is foot stress area promptly, will have the lateral dimension that is big enough, and the setting of running-board 21 makes the operator when trampling rack 18, and the foot has great area of contact with rack 18 for improve operator's use experience.

Specifically, the stroke rod 4 is provided with scale marks, and the distance from the 0-line of the scale marks to the upper surface of the bottom plate 1 is equal to the distance between the lower surface of the pressing plate 6 and the lower surface of the lifting block 3, so that after the pressing plate 6 and the plate are reliably pressed, the scale indicated by the lower surface of the lifting block 3 is the thickness of the plate carried by the bottom plate 1.

Specifically, the universal wheels 22 are provided at four corners of the lower surface of the base plate 1, and the universal wheels 22 have a locking structure.

Specifically, a push handle 23 is provided on the upper surface side of the floor panel 1, and the cart is moved by pushing the push handle 23.

Specifically, the unfolding helical angle of the worm 9 is smaller than the contact friction angle between the worm wheel 7 and the worm 9, which is a self-locking condition of worm and gear transmission, so that the worm wheel 7 and the worm 9 have the characteristic of one-way transmission, and the plate which is well pressed is prevented from loosening due to vibration and the like.

Specifically, the lower surface of the pressing plate 6 is provided with a rubber cushion to prevent the plate from being damaged.

The working principle is as follows: when the utility model is used, firstly, the plates are orderly stacked on the bottom plate 1, then the pedal 21 on the rack frame 18 on one side is trampled, the pedal 21 on the left side is trampled by taking the example of the drawing, the side stretching spring 20 is stretched, the rack 19 drives the gear ring 11 meshed with the rack to rotate anticlockwise, the wedge block 14 is matched with the limiting groove 12 at the moment, the torque is transmitted to the worm 9, the worm 9 drives the worm wheel 7 to rotate, further, the threaded rod 2 is rotated, and the lifting block 3 moves downwards; after the rack 18 moves to the lower part of the stroke slot 17, the rack 18 cannot move downwards by continuously stepping on the foot pedal 21, at the moment, the stepping on the foot pedal 21 is stopped, the rack 18 returns to the initial position under the action of the extension spring 20, in the process, the rack 19 drives the gear ring 11 to rotate clockwise, but the torque cannot be transmitted to the turntable 10 from the gear ring 11 because the wedge block 14 presses the spring piece downwards, rotates clockwise around a hinge point and is not matched with the limiting slot 12; repeatedly stepping and releasing the rack 18 until the plate is reliably pressed by the pressing plate 6; when the plate is transported and needs to be unloaded, the rack 18 on the other side is operated in the same way.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of description and attached drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model is including the conventional connected mode of circuit connection adoption conventional among the prior art, and here detailed description is not again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Panel safety shallow, including bottom plate (1), its characterized in that: the upper surface of bottom plate (1) rotates and is connected with threaded rod (2), the screw thread section threaded connection of threaded rod (2) has elevator (3), it has journey pole (4) to run through sliding connection on elevator (3), the lower extreme of journey pole (4) with the last fixed surface of bottom plate (1) is connected, the back lateral wall of elevator (3) is equipped with the one end of L shape pole (5), the other end of L shape pole (5) is equipped with clamp plate (6), the lower part cover of threaded rod (2) is equipped with worm wheel (7), the upper surface of bottom plate (1) corresponds the outside position of threaded rod (2) is equipped with square shell (8), the lateral wall runs through rotation around square shell (8) and is connected with worm (9), worm (9) with worm wheel (7) mesh mutually, the front portion of worm (9) is located the outside of square shell (8), the front part of the worm (9) is provided with two turntables (10), the outer parts of the turntables (10) are respectively provided with a gear ring (11), the inner side wall of the gear ring (11) is circumferentially provided with a plurality of limiting grooves (12), the outer edges of the two turntables (10) are respectively provided with a groove (13), the inner parts of the grooves (13) are respectively hinged with a wedge block (14), the wedge blocks (14) are matched with the limiting grooves (12) and are arranged in different grooves (13), the arrangement directions of the two wedge blocks (14) are opposite, a spring piece (15) is arranged between the lower side wall of each wedge block (14) and the upper side wall of each groove (13), the upper surface of the bottom plate (1) is provided with two L-shaped frames (16), the side wall of each L-shaped frame (16) is provided with a stroke groove (17), and the stroke grooves (17) are internally connected with rack frames (18) in, rack (18) surface in opposite directions all is equipped with rack (19), each rack (19) respectively with each ring gear (11) looks adaptation, the upper surface of rack (18) all is equipped with the one end of extension spring (20), the other end of extension spring (20) with the upper portion fixed connection of L shape frame (16).

2. The sheet safety cart of claim 1, wherein: the side walls of the lower parts of the rack frames (18) are provided with foot pedals (21).

3. The sheet safety cart of claim 1, wherein: and scale marks are arranged on the stroke rod (4).

4. The sheet safety cart of claim 1, wherein: the lower surface four corners of bottom plate (1) all is equipped with universal wheel (22), just universal wheel (22) possess the locking structure.

5. The sheet safety cart of claim 1, wherein: and a pushing handle (23) is arranged on one side of the upper surface of the bottom plate (1).

6. The sheet safety cart of claim 1, wherein: the unfolding spiral angle of the worm (9) is smaller than the friction angle of the contact between the worm wheel (7) and the worm (9).

7. The sheet safety cart of claim 1, wherein: the lower surface of the pressing plate (6) is provided with a rubber cushion.

Images