CN214855741U

CN214855741U - Goods shelf board

Info

Publication number: CN214855741U
Application number: CN202022659361.0U
Authority: CN
Inventors: 马捷昱; 冯立男
Original assignee: Shanghai Cloudpick Smart Technology Co Ltd
Current assignee: Shanghai Cloudpick Smart Technology Co Ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-11-26
Anticipated expiration: 2030-11-17

Abstract

The utility model provides a shelf board, which comprises a mounting bracket and a shelf board detachably mounted on the mounting bracket, wherein the shelf board comprises a base plate, a platform, a weight sensor, a suspension bracket and a locking piece; the substrate comprises a strip-shaped hole; the bottom of the platform can be slidably mounted in the strip-shaped hole; the bottom of the weight sensor is connected to the platform; one end of the suspension bracket is connected to the top of the weight sensor; the locking member is used for locking the platform to the substrate. The utility model discloses with weighing sensor, outrigger installation on a platform, this platform can freely remove at the horizontal direction along the bar hole of shelf board base plate, the width of the goods that convenience store or supermarket operator can hang as required removes and locks each platform by oneself, adjusts the position and the quantity of platform to adjust two adjacent outrigger's interval for suitable width, prevent that the goods from contacting each other, guarantee weighing sensor's measurement accuracy.

Description

Goods shelf board

Technical Field

The utility model relates to a goods strorage device for retail, specifically speaking relates to a shelf board.

Background

In the technology of an unmanned supermarket or an unmanned convenience store, the problems of judgment and record of goods selected by a customer need to be solved, specifically, the type of goods taken away from a shelf by the customer, the quantity and unit price of the goods taken away by the customer and the like need to be accurately judged by a computer system so as to settle accounts for the customer.

In the prior art, a weight sensor is generally installed below a suspension bracket, and the type and the quantity of sold goods are judged by monitoring the weight change of the goods on different suspension brackets in real time. In this type of solution, the two adjacent suspension brackets and the goods on the suspension brackets cannot be contacted in any way, which would affect the data accuracy of the weight sensor.

In the prior art, the weight sensors and the hanging supports on the goods shelves are generally immovable, operators cannot increase or reduce the number of the hanging supports at will, the distance between the adjacent hanging supports cannot be adjusted by themselves, and the goods shelves cannot adapt to goods with different sizes.

However, the widths of different kinds of goods in convenience stores are different, if the distance between the adjacent hanging brackets is constant, the kinds of goods that each shelf can be placed are few, and convenience store operators need to prepare a large number of shelves with different hanging bracket distances to prevent the goods on the adjacent hanging brackets from contacting each other, so that the storage cost, the management cost and the operation cost are high.

In the field of unmanned convenience stores, a goods shelf with an adjustable suspension bracket interval is needed, so that goods with different widths and different types can be placed, and the storage cost and the management cost of the convenience stores are reduced.

In the prior art, each weight sensor needs to be connected to a computer through a set of data lines, which are typically fixed inside the shelf board for the aesthetic appearance and neatness of the shelf. If the suspension bracket and the weight sensor are designed to be movable, the traditional data line can limit the moving distance of the weight sensor, so that the weight sensor can only move in a small range; if the data lines are fixed or the length of the data lines is increased, a plurality of groups of data lines are easy to wind in the goods shelf board, the moving distance of the weight sensor is limited, and circuit faults and safety risks are easy to generate; therefore, a new data line structure is needed to be designed to be suitable for a new shelf.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shelf board for the fixed position of the outrigger that solves current goods shelves existence is unchangeable, the outrigger interval is invariable, can only be used for hanging the technical problem of single size goods.

To achieve the above objects, the present invention provides a shelf board comprising a mounting bracket; and a deck plate removably mounted to the mounting bracket; the shelf board comprises a base plate, a platform, a weight sensor, a suspension bracket and a locking piece; the substrate comprises a strip-shaped hole; the bottom of the platform can be slidably mounted into the strip-shaped hole; the bottom of the weight sensor is connected to the platform; one end of the suspension bracket is connected to the top of the weight sensor; the locking member is used for locking the platform to the substrate.

Furthermore, the goods shelf plate also comprises a plurality of positioning holes and at least one limiting hole; the positioning holes penetrate through the substrate, are arranged on a straight line at equal intervals and are opposite to the strip-shaped holes; the limiting hole penetrates through the platform and is opposite to a positioning hole; the locking piece comprises at least one vertically arranged slide bar, and each slide bar is detachably inserted into a limiting hole and a positioning hole.

Further, the substrate comprises a substrate body and a groove; the groove is recessed in the bottom surface of the substrate body, and the strip-shaped hole penetrates through the bottom of the rectangular groove.

Further, the platform comprises a platform body, a platform sliding block, a platform limiting block and a platform sliding groove; the platform sliding block protrudes out of the bottom surface of the platform body, and the outer side wall of the platform sliding block is tangent to the inner side wall of the strip-shaped hole; the platform limiting block protrudes out of the bottom of the outer side wall of the platform sliding block; the platform sliding groove is formed between the platform body and the platform limiting block; a hole wall of the strip-shaped hole can be slidably inserted into a platform sliding groove.

Further, the deck board further comprises a first connecting member and a second connecting member; the first connecting piece protrudes out of the upper surface of the platform, and the top of the first connecting piece is connected to the bottom surface of one end of the weight sensor; the second connecting piece is arranged above the weight sensor, and the bottom of the second connecting piece is connected to the top surface of the other end of the weight sensor; the hanging bracket is detachably mounted to the second connector.

Further, the deck board further comprises a housing, a bottom of the housing being mounted to the platform; the weight sensor, the first connecting piece and the second connecting piece are arranged in the shell; gaps are reserved among the weight sensor, the first connecting piece, the second connecting piece and the shell.

Further, the housing includes a first housing wall and a second housing wall; the first shell wall is provided with at least one shell through hole, and the suspension bracket is connected to the weight sensor through the at least one shell through hole; the second casing wall includes a locking groove of vertical direction setting, the locking piece liftable formula is inserted to locking groove.

Further, the locking piece comprises a locking piece body and a sliding rod; the locking piece body is slidably mounted to a locking groove; the bottom of the locking groove is provided with a locking groove through hole; the sliding rod protrudes out of the bottom surface of the locking piece body and is detachably inserted into a locking groove through hole, a limiting hole and a positioning hole in sequence.

Another object of the utility model is to solve the technical problem that ordinary data line can restrict weight sensor's displacement. In order to solve the problem, the utility model provides a following technical scheme: further, the shelf board further comprises a wire box and more than two metal wires; the line box is arranged below the substrate; the more than two metal wires are arranged in the wire box side by side and are arranged opposite to the strip-shaped hole, and a gap is formed between any two adjacent metal wires; wherein, the more than two metal wires extend from one end of the inner side of the wire box to the other end of the inner side of the wire box and are connected to a computer.

Furthermore, the goods shelf plate also comprises a circuit board and more than two needle-shaped conducting wires; the circuit board is fixed to the platform and connected to the weight sensor through a data line; the more than two needle-shaped conducting wires are arranged on the lower surface of the circuit board side by side, and a gap exists between any two adjacent needle-shaped conducting wires; one end of each needle-shaped lead is connected to the bottom of the circuit board, and the other end of each needle-shaped lead passes through the platform and is lapped on the surface of a metal wire; when the platform slides along the strip-shaped hole, each needle-shaped conducting wire is tangent to a metal wire.

The utility model has the advantages of, provide a novel shelf plate, with weighing sensor, the outrigger is installed on a platform, this platform can freely remove at the horizontal direction along the bar hole of shelf plate base plate, the width of the goods that convenience store or supermarket operator can hang as required, remove by oneself and lock each platform, the position and the quantity of adjustment platform to adjust two adjacent outrigger's interval for suitable width, prevent that the goods from contacting each other, guarantee weighing sensor's measurement accuracy.

The utility model discloses in, set up a plurality of metal wires below basic plate strip shape hole side by side, set up the circuit board on the downthehole platform of bar, utilize the aciculiform wire that runs through the circuit board to be connected to weight sensor's data line to the metal wire, be connected to the computer through the breach on the line box lateral wall. No matter how the weight sensor and the platform move, real-time data sensed by the weight sensor can be transmitted to a computer in real time through the needle-shaped conducting wire, the metal wire and the notch. Since the current transmission paths of the weight sensors at different positions are different, the lengths and resistances of the metal wires in each sensor loop are different. When the computer receives a set of electrical signals from the notch of the wire box, it can be determined from the current change at the notch of the wire box from which weight sensor the electrical signals come.

Drawings

Fig. 1 is a schematic view of the overall structure of a shelf in an embodiment of the present invention;

FIG. 2 is a schematic side view of a shelf according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of a partial structure of a shelf according to an embodiment of the present invention;

fig. 4 is a schematic structural view of the front side of the shelf board in the embodiment of the present invention;

fig. 5 is a partial schematic structural view of the front side of the shelf board according to an embodiment of the present invention;

fig. 6 is a schematic structural view of the back side of the shelf board according to an embodiment of the present invention;

fig. 7 is an assembly view of a portion of the structure of the back of the shelf board according to an embodiment of the present invention;

FIG. 8 is a schematic cross-sectional view of the connection position of the platform and the substrate according to the embodiment of the present invention;

fig. 9 is an enlarged view of a partial structure of the substrate according to an embodiment of the present invention.

The components in the figure are identified as follows:

1. a base plate, 2, a platform, 3, a weight sensor, 4 and a suspension bracket,

5. a locking piece, 6, a positioning hole, 7, a limiting hole, 8, a first connecting piece,

9. a second connector, 10, a wire box, 11, a metal wire, 12, a circuit board,

13. a needle wire, 14, a housing, 15, an end connector,

21. a platform body 22, a platform sliding block 23, a platform limiting block 24 and a platform sliding groove,

51. the body of the lock, 52, the slide bar,

100. a goods shelf 101, a base plate body 102, a groove 103 and a strip-shaped hole,

104. a platform mounting hole 1001, a notch 1002 and a first group of data lines;

110. a mounting bracket 111, a hanging bracket body 112, a hanging bracket bayonet,

120. a cargo board 141, a first shell wall 142, a second shell wall 151, a hook,

1411. shell through hole 1421, locking groove, 1422, locking groove through hole.

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings for illustrating the embodiments of the present invention, and these embodiments can fully introduce the technical contents of the present invention to those skilled in the art, so that the technical contents of the present invention can be more clearly and easily understood. The present invention may, however, be embodied in many different forms of embodiments, and the scope of the present invention is not limited to the embodiments set forth herein.

In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. When an element is described as being "connected to" another element, it can be directly "connected" or "connected" to the other element through an intermediate element.

As shown in fig. 1, 2 and 3, an embodiment of the present invention provides a shelf 100, which includes a mounting bracket 110, and a shelf board 120 is detachably mounted on the mounting bracket 110.

The mounting bracket 110 includes two linear suspension bracket bodies 111 arranged in parallel and at least one suspension bracket bayonet 112. The suspension bracket body 111 is a vertically arranged bar-shaped cuboid, and the two suspension bracket bodies 111 are parallel to each other. One side wall of each suspension bracket body 111 is respectively provided with at least one suspension bracket bayonet 112 recessed from the side wall; when the number of the suspension bracket bayonet 112 is two or more, the plurality of suspension bracket bayonet 112 are uniformly distributed on a side wall of the suspension bracket body 22 along a straight line. Preferably, the two hanger bayonets 112 located at the same height on the two hanger bodies 111 are located on the same plane.

Two end connectors 15 are provided at the left and right ends of each shelf board 120, each end connector having a hook for detachably engaging with a suspension bracket mount 112.

The shelf plates 120 form a goods placing area, and a plurality of hanging brackets 4 extending outward are provided on each shelf plate 120 for hanging or placing goods. In this embodiment, the hanging brackets 4 are preferably horizontally arranged hanging rods, and each hanging rod is hung with the same kind of goods. One end of the hanging rod penetrates through the shell and is indirectly connected to the weight sensor, and the other end of the hanging rod is tilted upwards to prevent goods from sliding off. Preferably, the peg can be one-on-one two-pole structure, and the first pole of below is used for hanging the goods of same kind, and the second pole of top is used for installing in the goods label that this goods corresponds.

As shown in fig. 4 and 5, the deck boards 120 include base boards 1, each base board 1 is provided with at least one platform 2, and each platform 2 is provided with a weight sensor 3, a suspension bracket 4 and a locking member 5.

As shown in fig. 4, the substrate 1 includes a substrate body 101, and the substrate body 101 is an elongated plate; the substrate 1 comprises a groove 102 recessed from the bottom surface of the substrate body 101; the substrate 1 includes a bar-shaped hole 103 extending from one end of the substrate 1 to the other end, and the bar-shaped hole 103 penetrates through the bottom of the rectangular groove 102.

The bottom of the platform 2 is slidably mounted into the slotted hole 103. The bottom of the weight sensor 3 is connected to the platform 2, and one end of the suspension bracket 4 is connected to the top of the weight sensor 3; the locking member 5 is used to lock the stage 2 to the substrate 1.

In this embodiment, the platform 2 may drive the weight sensor 3 and the suspension bracket 4 to move left and right on the shelf board. If the manager of convenience store finds that the products of two adjacent hanging brackets 4 are likely to contact, the customer can increase or reduce the number and the position of the hanging brackets 4 according to the width and the whole layout of the products, so that the products of two adjacent hanging brackets 4 are prevented from contacting with each other, and the weighing accuracy of the weight sensor 3 is ensured.

As shown in fig. 6 and 7, in the present embodiment, a plurality of positioning holes 6 penetrating through the substrate 1 are disposed on one side of the strip-shaped hole 103 of the substrate 1, and are arranged in a straight line at equal intervals and opposite to the strip-shaped hole 103. The platform 2 is provided with a plurality of limiting holes 7, and each limiting hole 7 is opposite to one locating hole 6; the aperture of the limiting hole 7 is the same as the aperture of the positioning hole 6, the locking member 5 comprises at least one vertically arranged slide rod 52, each slide rod 52 is detachably inserted into one limiting hole 7 and one positioning hole 6 for locking the platform 2 to the substrate 1. Although the platform 2 is movable, when the position of the platform 2 is determined, the platform 2 and the base plate 1 should be relatively fixed, so as to avoid the weight sensor from shaking when the goods are taken away, which affects the measurement accuracy of the sensor.

When the platform 2 needs to be moved, the sliding rod 52 is slid upwards to be separated from the limiting hole 7, so that the platform 2 can freely slide along the strip-shaped hole 103 in the horizontal direction. After the platform 2 is moved to a new position, the slide rods 52 are inserted into the stop holes 7 at the new position, and the platform 2 is locked to the base plate of the shelf plate again.

As shown in fig. 8, the platform 2 includes a platform body 21, a platform slider 22, a platform stopper 23, and a platform chute 24. The platform sliding block 22 protrudes out of the bottom surface of the platform body 21, and the outer side wall of the platform sliding block is tangent to the inner side wall of the strip-shaped hole 103; at least one platform limiting block 23 protrudes out of the bottom of the outer side wall of the platform sliding block 22, the width of the platform 2 at each platform limiting block 23 is larger than that of the strip-shaped hole 103, and a platform sliding groove 24 is formed between the platform body 21 and the platform limiting block 23; a wall of the strip-shaped hole 103 is slidably inserted into a platform chute 24. When the slide rod 52 is disengaged from the stopper hole 7, the locking member 5 is unlocked, and the platform 2 can freely slide along the strip-shaped hole 103 in the horizontal direction. The height of the hole wall of the strip-shaped hole 103 is slightly less than the height of the platform sliding groove 24, so that the platform 2 can slide smoothly and stably without shaking. Platform body 21 and platform stopper 23 all are the level setting, and consequently platform spout 24 also is the level setting, no matter what kind of position is moved to platform 2, can both ensure that platform 2 upper surface keeps the level to can not influence weight sensor's data acquisition.

As shown in fig. 9, because the width of the platform 2 at the platform stopper 23 is greater than the width of the strip-shaped hole 103, at least one platform mounting hole 104 is required to be formed at one end of the strip-shaped hole 103, each platform mounting hole 104 corresponds to the position and shape of one platform stopper 23, so that the platform stopper 23 at the lower part of the platform 2 can pass through the platform mounting hole 104 and be inserted into the lower part of the substrate 1, the platform slider 22 at the middle part of the platform 2 can be inserted into the strip-shaped hole 103, and can slide in the strip-shaped hole 103, so that the platform body 21 at the upper part of the platform 2 is positioned above the substrate 1, and the lower surface of the platform body 21 is tangent to the upper surface of the substrate 1.

The convenience store operator can adjust the number of the platforms 2 on the same substrate 1 according to the application scene, and each platform is installed on the substrate 1 or removed from the substrate 1 through the platform installation hole 104. When adjusting the quantity of platform 2, will ensure that the goods on two adjacent hanging support 4 can not contact each other, consequently, the goods width on hanging support 4 has decided the interval size of two adjacent platforms 2, and then has decided the quantity of installing the platform 2 at same base plate 1. The larger the width of the goods, the larger the distance between two adjacent platforms 2, and the smaller the number of platforms 2 on the same base plate 1.

In this embodiment, the shelf board 120 further includes a wire box 10 and two or more metal wires 11; the wire box 10 is disposed below the substrate 1, and a notch 1001 is disposed on an outer sidewall of one end of the wire box. More than two metal wires 11 are arranged in the wire box 10 side by side and are arranged opposite to the strip-shaped hole 103, and a gap is formed between any two adjacent metal wires 11; more than two metal wires 11 extend from one end of the inner side of the wire box 10 to the other end of the inner side of the wire box, and are connected to the first group of data wires 1002, the data wires 1002 are connected to a computer through the notches 1001, and the weight value measured by the weight sensor 3 is transmitted to the computer in real time. The notch 1001 may also be provided with a data interface, such as a USB interface. In this embodiment, four metal lines are preferably arranged in parallel, and are a power supply positive line, a negative voltage data line, a positive voltage data line and a ground line in this order.

In this embodiment, the deck board 120 further includes a circuit board 12 secured above the platform 2 and electrically connected to the weight sensors 3 via a second set of data lines. The circuit board 12 is provided with more than two pin conductors 13 arranged side by side, and a gap is formed between any two adjacent pin conductors 13 to prevent contact with each other. One end of each pin-shaped wire 13 is electrically connected to the bottom of the circuit board 12, and the other end thereof is lapped on the surface of a metal wire 11 through the platform 2; each needle conductor 13 is held tangent to a wire 11 as the platform 2 slides along the slot 103. The present embodiment realizes wire connection and signal transmission in a movable state by providing the wire cassette 10, the metal wire 11, the circuit board 12, and the pin wire 13. In this embodiment, four needle-shaped wires 13 are preferably arranged side by side, and are a power supply positive wire, a negative voltage data wire, a positive voltage data wire and a ground wire in sequence.

Each weight sensor 3 is connected to a computer through the second set of data lines, the circuit board 12, the pin leads 13, the metal wires 11, and the first set of data lines 1002 in this order. The computer supplies power for weight sensor 3, and each weight sensor 3 continuously gathers the real-time weight value of outrigger and goods, sends real-time weight value to the computer with the signal of telecommunication form.

The weight sensors at different positions have a certain difference from the loop circuit structure formed by the computer, specifically, because the lengths of the metal wire 11 parts in the loop circuits formed by the weight sensors at different positions are different, the resistances of the metal wires in the different loop circuits are also different, and therefore, the current magnitudes of the electric signals sent to the computer by the weight sensors at different positions are also different. When the computer receives a group of electric signals, the computer can judge which weight sensor the weight value data in the electric signals come from according to the magnitude of the current in the electric signals, thereby judging which goods number on the suspension bracket changes.

In this embodiment, the deck boards 120 further include first connectors 8 and second connectors 9; the first connecting piece 8 protrudes out of the upper surface of the platform 2, and the top of the first connecting piece is connected to the bottom surface of one end of the weight sensor 3; the second connecting piece 9 is arranged above the weight sensor 3, and the bottom of the second connecting piece is connected to the top surface of the other end of the weight sensor 3; the suspension bracket 4 is detachably mounted to the second coupling 9. Small gaskets may be provided between the first and second connecting

members

8, 9 and the weight sensor to minimize the contact area between the two connecting members and the weight sensor.

The second connector 9 is provided with at least one mounting hole 91, the central axis of the mounting hole 91 is horizontally arranged, so that a part of the suspension bracket can be horizontally inserted into the mounting hole, the heights of the mounting holes can be the same or different, one end of the suspension bracket 4 is in a rod shape and can be detachably mounted into any one mounting hole 91, and similarly, the mounting hole 91 can also be replaced by a mounting groove. The convenience store manager can insert one end of the hanging bracket 4 into different mounting holes 91 or mounting grooves as required, and further adjust the height or horizontal position of the hanging bracket 4 above different weight sensors 3.

In this embodiment, the deck boards 120 further comprise a housing 14, the bottom of the housing 14 being mounted to the platform 2; the weight sensor 3, the first connector 8 and the second connector 9 are arranged in the housing 14. All there is the clearance between weight sensor 3, first connecting piece 8, second connecting piece 9 and the casing 14, can guarantee to separate each other, each other do not influence between weight sensor 3 and the first connecting piece 8, the second connecting piece 9 and the casing 14 that connect from top to bottom to ensure the accuracy that weight sensor 3 gathered the weight value.

In this embodiment, the housing 14 includes a first wall 141 and a second wall 142; the first housing wall 141 has at least one housing through hole 1411. One end of the suspension bracket 4 is rod-shaped and is connected to the weight sensor 3 through at least one housing through hole 1411; the size of the suspension bracket 4 is smaller than the inner diameter of the shell through hole 1411, and the suspension bracket 4 does not contact with the wall of the shell through hole 1411 when bearing goods, so that the weight value acquired by the weight sensor 3 is accurate; the second housing wall 142 includes a locking groove 1421 vertically formed, and the locking member 5 is liftably inserted into the locking groove 1421. The housing 14 and the platform 2 enclose a movable box, in which the weight sensor 3, the first connecting member 8, the second connecting member 9, and a part of the suspension bracket 4 are disposed, and the locking member 5 is disposed at a lower portion in the box and at an upper portion outside the box and closely attached to the second wall 142. In the present embodiment, the lock 5 includes a lock body 51 and a slide bar 52; the lock member body 51 is slidably mounted to a lock groove 1421; a locking groove through hole 1422 is formed at the bottom of the locking groove 1421; the sliding rod 52 protrudes from the bottom of the locking device body 51 and is detachably inserted into a locking slot through hole 1422, a limiting hole 7 and a positioning hole 6 in sequence. The slide bar 52 of the locking member 5 is detachably inserted into the locking recess through hole 1422, the limiting hole 7 and the positioning hole 6, so that the suspension bracket 4 on the movable platform 2 can be fixed. The locking groove 1421 is formed outside the second housing wall 142, and the locking member body 51 is partially formed in the locking groove 1421, partially exposed outside the second housing wall 142 and provided with an arc-shaped groove, so that a convenience store manager pushes the locking member 5 outside the housing 14 upward or downward with a finger, thereby locking the platform 2 to the base plate 1 or separating the platform 2 from the base plate 1.

In the present embodiment, two end connectors 15 are fixed to both ends of the substrate 1 and the line cassette 10. The two end connectors 15 are provided with at least one hook 151 at an end facing the mounting bracket 110, and the hook 151 is engaged in the hanging bracket bayonet 112 for fixing the shelf board 120 to the mounting bracket 110. The hook 151 is hung at the edge of the bayonet 112 of the suspension bracket to form a stable structure, so that the shelf board 120 can be kept stable after bearing a heavy article and is not easy to shake or incline.

The utility model has the advantages of, provide a novel goods shelves, with weighing transducer, the outrigger mounting is on a platform, this platform can freely remove at the horizontal direction along the bar hole of shelf board base plate, the width of the goods that convenience store or supermarket operator can hang as required, remove by oneself and lock each platform, the position and the quantity of adjustment platform to adjust two adjacent outrigger's interval for suitable width, prevent that the goods from contacting each other, guarantee weighing transducer's measurement accuracy.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A shelf board, comprising:

the substrate comprises a strip-shaped hole;

a platform, the bottom of which is slidably mounted into the strip-shaped hole;

a weight sensor having a bottom connected to the platform;

a hanging bracket having one end connected to a top of the weight sensor; and

a lock to lock the platform to the substrate.

2. The deck board of claim 1, further comprising:

the positioning holes penetrate through the substrate, are arranged on a straight line at equal intervals and are opposite to the strip-shaped holes; and

the limiting hole penetrates through the platform and is opposite to the positioning hole;

the locking piece comprises at least one vertically arranged slide bar, and each slide bar is detachably inserted into a limiting hole and a positioning hole.

3. The shelf board of claim 1, wherein the base plate comprises:

a substrate body; and

the groove is recessed in the bottom surface of the substrate body, and the strip-shaped holes penetrate through the bottom of the rectangular groove.

4. The deck board of claim 1, wherein said platform comprises:

a platform body;

the platform sliding block protrudes out of the bottom surface of the platform body, and the outer side wall of the platform sliding block is tangent to the inner side wall of the strip-shaped hole;

the platform limiting block protrudes out of the bottom of the outer side wall of the platform sliding block; and

the platform sliding groove is formed between the platform body and the platform limiting block; a hole wall of the strip-shaped hole can be slidably inserted into a platform sliding groove.

5. The deck board of claim 1, further comprising:

the first connecting piece protrudes out of the upper surface of the platform, and the top of the first connecting piece is connected to the bottom surface of one end of the weight sensor; and

the second connecting piece is arranged above the weight sensor, and the bottom of the second connecting piece is connected to the top surface of the other end of the weight sensor; the hanging bracket is detachably mounted to the second connector.

6. The deck board of claim 1, further comprising:

a housing having a bottom mounted to the platform;

the weight sensor, the first connecting piece and the second connecting piece are arranged in the shell;

gaps are reserved among the weight sensor, the first connecting piece, the second connecting piece and the shell.

7. The shelf board of claim 6, wherein said housing includes

A first housing wall provided with at least one housing through hole, the suspension bracket being connected to the weight sensor through the at least one housing through hole; and

and the second shell wall comprises a locking groove which is arranged in the vertical direction, and the locking piece can be inserted into the locking groove in a lifting mode.

8. The shelf board of claim 1, wherein said locking member comprises:

a locking piece body slidably mounted to a locking groove; the bottom of the locking groove is provided with a locking groove through hole; and

the sliding rod protrudes out of the bottom surface of the locking piece body and is detachably inserted into a locking groove through hole, a limiting hole and a positioning hole in sequence.

9. The deck board of claim 1, further comprising:

a line box disposed below the substrate; and

more than two metal wires are arranged in the wire box side by side and are arranged opposite to the strip-shaped hole, and a gap is formed between any two adjacent metal wires;

wherein, the more than two metal wires extend from one end of the inner side of the wire box to the other end of the inner side of the wire box and are connected to a computer.

10. The deck board of claim 1, further comprising:

a circuit board secured to the platform; and

more than two needle-shaped wires are arranged on the lower surface of the circuit board side by side, and a gap exists between any two adjacent needle-shaped wires; one end of each needle-shaped lead is connected to the weight sensor, and the other end of each needle-shaped lead passes through the platform and is lapped on the surface of a metal wire;

when the platform slides along the strip-shaped hole, each needle-shaped conducting wire is tangent to a metal wire.