CN110726284A

CN110726284A - Angle-variable removable shelf

Info

Publication number: CN110726284A
Application number: CN201911054826.5A
Authority: CN
Inventors: 李鸣
Original assignee: Jiaxing Gu Xiang Refrigeration Equipment Co Ltd
Current assignee: Jiaxing Gu Xiang Refrigeration Equipment Co Ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-01-24

Abstract

The invention relates to the technical field of refrigerators, and the technical scheme of the invention is as follows: a variable-angle removable shelf comprises a cabinet body, wherein a plurality of removable shelves which are arranged up and down are arranged in the cabinet body, and each removable shelf comprises a fixed seat and a supporting frame which is arranged at the fixed seat in a sliding manner; the fixed seat comprises frame hands which are arranged in bilateral symmetry, and sliding plates are obliquely arranged at the positions, close to the rear, of the upper ends of the frame hands; the outer side of the support frame is connected with a bracket in a shaft mode, a sliding block is fixed on the position, close to the rear, of the bottom surface of the bracket, and a bearing plate is locked above the bracket.

Description

Angle-variable removable shelf

Technical Field

The invention relates to the technical field of refrigerators, in particular to a variable-angle removable shelf.

Background

At present, the freezer in the shop has the air curtain cabinet of not taking the door, has the freezer of taking the door, has the back refrigerator of mending from the rear, and wherein back mend formula freezer not only can mend the goods from the rear, and the commodity shelf is mostly inclined to place, can lay the commodity balladeur train in the commodity below, and the back is taken away to the front commodity, and the commodity can be because of the automatic forward makeup of gravity arranges the face.

However, for the cabinet which can not be supplied with goods from the rear, the inclined shelves are installed, and then the problem is caused, firstly, the problem is that the first-in first-out problem is caused, after all the unsold goods are taken out, the fresh goods are placed on the inner sides of the shelves, and then the unsold goods which are taken out are placed back to the row surface, so that the trouble is very great, if the removable shelves are matched and the inclined angle is made, the shelves are directly flushed outwards due to the gravity relation when the shelves are drawn out, or the inclined shelves are horizontally drawn out, and the goods with higher rear position interfere with the bottom of the upper shelf, so that the height distance between the shelves can only be increased, the number of the shelves is reduced, and the goods display quantity is also reduced; the effect on the sales of the goods in order to reduce the amount of labor is not a result desired by the merchant.

Therefore, there is a need for an improved structure that overcomes the above-mentioned deficiencies.

Disclosure of Invention

The invention aims to provide a removable shelf with a variable angle.

The technical purpose of the invention is realized by the following technical scheme:

a variable-angle removable shelf comprises a cabinet body, wherein a plurality of removable shelves which are arranged up and down are arranged in the cabinet body, and each removable shelf comprises a fixed seat and a supporting frame which is arranged at the fixed seat in a sliding manner; the fixed seat comprises frame hands which are arranged in bilateral symmetry, and sliding plates are obliquely arranged at the positions, close to the rear, of the upper ends of the frame hands; the outer side of the support frame is connected with a bracket in a shaft mode, a sliding block is fixed on the position, close to the rear, of the bottom surface of the upper portion of the bracket, and a bearing plate is locked above the bracket.

By adopting the technical scheme: the cabinet body is provided with a plurality of rows of extraction layer frames, each extraction layer frame comprises a frame hand, a sliding plate is obliquely arranged at the position, close to the rear, of the upper end of each frame hand, when the bearing plate extends, the bearing plate moves in the direction far away from the cabinet body, and the bottom surface of the bearing plate is level to the horizontal plane; when the bearing board is folded, namely the bearing board moves towards the direction close to the inside of the cabinet body, the bottom surface of the rear side of the bearing board can gradually move towards the sliding plate, so that the bearing board keeps an inclined angle, and the angle of the extraction type shelf is changeable.

The invention is further provided with: the angle-variable removable shelf has two states, namely an extension state and a folding state; the stretching state is as follows: the supporting frame is pushed out towards the front side, the middle section of the bottom surface of the upper end of the bracket is abutted against the supporting frame, and the bearing plate is arranged in a horizontal state; the folding state is as follows: the supporting frame is folded towards the rear side, the sliding block is in sliding contact with the sliding plate, the bottom surface of the upper end of the bracket is separated from the supporting frame, and the bearing plate is arranged in an inclined state.

By adopting the technical scheme: the angle-variable removable shelf comprises two states, wherein in the extended state, the middle section of the bottom surface of the bracket is abutted against the support frame, and the bearing plate is kept horizontal, so that a store clerk can conveniently supplement commodities; under the folding state, the sliding block is in sliding connection with the sliding plate, so that the bottom surface of the bracket is completely separated from the supporting frame, the bearing plate keeps inclined, commodities are automatically supplemented forwards to fill the discharge surface, and customers can conveniently shop the commodities.

The invention is further provided with: and a commodity display rack is arranged on the extraction layer rack.

By adopting the technical scheme: the commodity display rack is convenient for arrange commodity in the cabinet body, and the friction coefficient of odd low for the commodity that bears just can utilize gravity nature glide at very little gradient, and the replenishment is used for showing, show and selling, provides very big facility forward.

The invention is further provided with: and a plurality of hook holes for fixing the extraction layer frame are uniformly formed in two sides of the inner part of the cabinet body from top to bottom.

By adopting the technical scheme: the arrangement of the hook holes is convenient for the placement and the moving out of the extraction shelf.

The invention is further provided with: the fixing seat further comprises a connecting rod connected with the two frame hands, a buckle fixing piece is arranged at the position, close to the front, of the upper end of each frame hand, and a steel ball sliding rail is locked on the outer side face of each frame hand.

By adopting the technical scheme: the fixing base includes frame hand and connecting rod for the fixing base body is more firm, and the pull can be realized in the design of steel ball slide rail, is convenient for put and take commodity.

The invention is further provided with: the rear end of the scaffold hand is provided with a Z-shaped surface, the tail end of the Z-shaped surface is provided with a plurality of hooks, and the hooks are matched with the hook holes.

By adopting the technical scheme: the design of the hook is convenient for hanging the fixing seat to the inside of the cabinet body, and the hook at the tail end of the Z-shaped surface is hung in the hook hole.

The invention is further provided with: the support frame is locked to the outer side of the steel ball slide rail, the middle section of the upper edge of the vertical surface of the support frame extends upwards and bends inwards to form a support platform, the front section of the upper edge of the vertical surface of the support frame extends upwards and bends inwards to form a clamping platform, a clamping elastic element is locked below the clamping platform through a fastener, and when the steel ball slide rail is completely extended, the middle section of the bottom surface of the bracket abuts against the support platform.

By adopting the technical scheme: the support frame is locked to the outer side of the steel ball slide rail, so that the support frame can slide relative to a frame hand of the fixed seat; the supporting platform is used for lifting the bracket and the bearing plate, the buckle elastic element is locked at the buckle platform and is matched with the buckle fixing piece for use, when the bearing plate is folded towards the inner side of the cabinet body, the buckle fixing piece is buckled with the buckle elastic element, so that the bearing plate and the commodity display rack above the bearing plate can be placed in an inclined angle, and the bearing plate and the commodity display rack above the bearing plate are locked above the movable seat and cannot be rushed out forwards.

The invention is further provided with: the buckle elastic element is provided with a buckle hole for a buckle fixing piece to pass through, and the buckle fixing piece is provided with an inclined flange capable of passing through the buckle hole; the front edge of the vertical surface of the support frame protrudes forwards out of the steel ball slide rail and bends inwards to form a baffle.

By adopting the technical scheme: the buckle fixing piece is provided with an inclined flange, so that the bearing plate can be prevented from sliding downwards under the inclined condition, and the stability is ensured; the arrangement of the baffle modifies mechanisms such as a steel ball slide rail and a buckle.

The invention is further provided with: the support frame has the pin shaft hole in the one side of keeping away from the steel ball slide rail, the bracket passes through the fastener rotation to be fixed to the outside of support frame.

By adopting the technical scheme: the bracket is fastened to the outer side of the support frame through the pin shaft, so that the bracket can rotate, and the bearing plate is convenient to arrange at a certain angle.

The invention is further provided with: the middle section of the bottom surface of the bearing plate is locked with a reinforcing frame through a fastener, and the reinforcing frame is in a shape like a Chinese character 'ji'; the sliding block is in a downwardly convex pillow shape; when the support frame is folded towards the rear side, the sliding block slides on the surface of the sliding plate.

By adopting the technical scheme: the arrangement of the reinforcing frame enables the overall strength of the extraction layer frame to be higher, and the stability of the extraction layer frame is improved; the setting of slider can be convenient for push and pull the loading board.

In conclusion, the invention has the following beneficial effects:

1. the arrangement and the moving-out of the extraction layer frames are facilitated by the hook holes arranged on the two sides in the cabinet body and matched with the hooks of the extraction layer frames, and the extraction layer frames are independent from each other and are convenient for commodity classification;

2. the commodity display rack is arranged on the extraction shelf, so that commodities can be conveniently placed, displayed or sold;

3. the sliding block arranged at the bracket is matched with the sliding plate at the fixed seat, so that the bearing plate can be inclined at a certain angle, and the product is convenient to display and place;

4. the length or the angle of the sliding plate is changed, so that the bearing plate can be inclined at different angles;

5. when in the stretching state, the store clerk can easily replenish the commodities to the rear of the commodity row, so as to achieve the first-in first-out purpose;

6. when the goods are folded, after the customers take the goods, the goods are automatically and completely lined up due to the gravity, so that the lined faces can be kept in a regular state all the time, and a good shop image is maintained.

Drawings

Fig. 1 is a schematic structural diagram proposed by the present invention.

Fig. 2 is a schematic structural view of the drawing shelves and the goods display shelf.

Fig. 3 is a schematic structural view of the extraction shelf and the carrier plate.

FIG. 4 is a schematic diagram of the push-out state structure of the present invention.

Fig. 5 is a schematic structural diagram of the fixing base.

Fig. 6 is an enlarged view of the plane a in fig. 5.

Fig. 7 is a structural schematic diagram of the support frame.

Fig. 8 is a bottom view of the pushed state of the present invention.

Fig. 9 is an enlarged view of B-plane in fig. 8.

Figure 10 is a schematic view of the construction of the snap fastener.

Fig. 11 is a sectional view showing a collapsed state of the present invention.

Fig. 12 is a cross-sectional view of the invention in an extended state.

The corresponding part names indicated by the numbers and letters in the drawings:

wherein: 10-a cabinet body; 20-extracting the shelf; 30-commodity display shelves; 40-a fixed seat; 50-a support frame; 60-a carrier plate; 101-hook hole; 401-scaffold; 402-a slide plate; 403-a connecting rod; 404-snap fasteners; 405-Z shaped; 406-a hook; 501-supporting a platform; 502-snap platform; 503-snap elastic element; 504-snap holes; 505-a baffle; 601-a carrier; 602-a reinforcement frame; 603-sliding block.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the invention is further described with reference to the figures and the specific embodiments.

Referring to fig. 1 to 12, an angle-variable removable shelf includes a cabinet 10, a plurality of removable shelves 20 arranged up and down are disposed in the cabinet 10, and each removable shelf 20 includes a fixing base 40 and a supporting frame 50 slidably disposed at the fixing base 40; the fixed seat 40 comprises frame hands 401 which are arranged in bilateral symmetry, and sliding plates 402 are obliquely arranged at the positions, close to the rear, of the upper ends of the frame hands 401; a bracket 601 is coupled to the outer side of the support frame 50 in a shaft manner, a slider 603 is fixed to the rear position of the bottom surface of the upper part of the bracket 601, and a bearing plate 60 is locked above the bracket 601; a commodity display rack 30 is arranged on the extraction layer rack 20, and the commodity display rack 30 is fixed on the upper surface of the bearing plate 60; a plurality of hook holes 101 for fixing the drawing shelf 20 are uniformly formed in two sides of the cabinet 10 from top to bottom.

In the above technical solution, a plurality of extraction shelves 20 arranged up and down are arranged in the cabinet body 10, each extraction shelf 20 comprises a fixed seat 40 and a support frame 50 slidably arranged at the fixed seat 40, and the commodity display shelf 30 is fixed to the upper surface of the bearing plate 60, so that the display, display and sale of commodities are realized; the slide block 402 at the fixing frame 40 is arranged obliquely, when the bearing plate 60 gradually approaches to one side of the sliding plate 402, the bottom surface of the rear side of the bearing plate 60 contacts with the sliding plate 402, so that the bottom surface of the bearing plate 60 is obliquely arranged at a certain angle relative to the horizontal plane, and when the bearing plate 60 gradually moves to one side far away from the sliding plate 402, the bottom surface of the bearing plate 60 does not contact with the sliding plate 402, so that the bottom surface of the bearing plate 60 is arranged in parallel relative to the horizontal plane, namely, the variable angle of the extraction shelf 20 is realized;

it should be noted that the bracket 601 is an L-shaped structure, and the vertical surface of the bracket 601 is rotatably connected to the supporting frame 50; the length and angle of the sliding plate 402 can be adjusted according to actual requirements.

As shown in fig. 11 and 12, the angle-variable removable shelf has two states, i.e., an extended state and a retracted state; the stretching state is as follows: the supporting frame 50 is pushed out towards the front side, the middle section of the bottom surface of the upper end of the bracket 601 abuts against the supporting frame 50, and the bearing plate 60 is arranged in a horizontal state; the folding state is as follows: the supporting frame 50 is folded towards the rear side, the sliding block 603 is in sliding contact with the sliding plate 402, the bottom surface of the upper end of the bracket 601 is separated from the supporting frame 50, and the bearing plate 60 is arranged in an inclined state.

In the above technical solution, in the two states of the variable angle removable shelf, when in the extended state, the middle section of the bottom surface of the upper end of the bracket 601 abuts against the supporting frame 50, and the supporting frame 50 provides a supporting force for the bracket 601 at this time, so that the bracket 601 and the bearing plate 60 are kept in the horizontal state; in the retracted state, the slider 603 is in sliding contact with the sliding plate 402, and when the bracket 601 is moving continuously in the direction of the cabinet, the bracket 601 gradually rises on the side close to the direction of the cabinet, so that the bracket 601 is completely separated from the supporting frame 50.

As shown in fig. 4 to fig. 6, the fixing base 40 further includes a connecting rod 403 connected to two frame arms 401, a fastening member 404 is disposed at a position near the front of the upper end of each frame arm 401, and a steel ball slide rail 70 is locked to an outer side surface of each frame arm 401; the rear end of the scaffold 401 has a Z-shaped surface 405, and the tail end of the Z-shaped surface 405 has a plurality of hooks 406, and the hooks 406 are adapted to the hook holes 101.

In the above technical solution, the fixing base 40 includes two frame hands 401, namely a left frame hand and a right frame hand, which are arranged in bilateral symmetry, the outer side of a vertical surface of the frame hand 401 is locked with the inner side of the steel ball slide rail 70, the upper edge of the vertical surface is formed by a horizontal line and an inclined line, and the vertical surface is bent outwards according to the line to cover the steel ball slide rail 70 locked below, and a horizontal plane and an inclined plane are formed on the upper edge of the frame hand 401, the front side is a horizontal plane, a through hole is formed at the front end of the horizontal plane, a fastener is used to fix the fastener fixing piece 404 above the horizontal plane, and the horizontal plane and the inclined plane have the function of reinforcing; the tail end of the vertical surface bends outwards and then bends backwards to form a Z shape, namely the Z-shaped surface 405 can improve the strength in the vertical direction, and a plurality of hooks 406 are arranged at the tail end of the Z-shaped surface 405 and are hung in the hook holes 101 of the cabinet body 10; the connecting rod 403 is a cover-shaped long plate with a downward opening, the left end and the right end of the cover-shaped upper plate are bent downward to form a fixing surface and abut against the inner sides of the vertical surfaces of the left and the right hand rests and abut against the upper edge of the Z-shaped surface 405 to be locked by a fastener, the two ends of the cover-shaped rear plate extend outwards, exceed the fixing surface, abut against the tail end of the Z-shaped surface 405, and are locked at the middle section of the Z-shaped surface 405 by the fastener; the left and right frame hands and the connecting rod 403 are combined together to form a fixed seat 40 in the form of a staple with a forward opening; the sliding plates 402 are bilaterally symmetrical and in an inverted L shape and are respectively arranged at the combination positions of the left side frame hand, the right side frame hand and the connecting rod, the vertical surfaces of the sliding plates 402 are locked at the upper parts of the inner sides of the vertical surfaces of the frame hands 401, the transverse surfaces of the sliding plates 402 are suspended above the inclined surfaces of the frame hands 401, and the tail parts of the sliding plates 402 bend inwards to form mounting surfaces and are locked at two ends outside the cover-shaped inner plates of the connecting rods 403.

With reference to fig. 4 to 8, the supporting frame 50 is locked to the outside of the ball slide rail 70, the middle section of the upper edge of the upright surface of the supporting frame 50 extends upward and meanders inward to form a supporting platform 501, the front section of the upper edge of the upright surface of the supporting frame 50 extends upward and meanders inward to form a snap platform 502, a snap elastic element 503 is locked below the snap platform 502 through a fastener, and when the ball slide rail 70 is fully extended, the middle section of the bottom surface of the bracket 601 abuts against the supporting platform 501; the snap elastic element 503 has a snap hole 504 for passing the snap fastener 404, and the snap fastener 404 has an inclined flange capable of passing through the snap hole 504; the front edge of the vertical surface of the supporting frame 50 protrudes forward beyond the ball slide rail 70 and bends inward to form a baffle 505.

In the above technical solution, the support frame 50 is bilaterally symmetrical, the inner side of the vertical surface of the support frame 50 is locked to the outer side of the steel ball slide rail 70, the support platform 501 at the support frame 50 is used for placing the bracket 601, the support platform 501 is provided with a plurality of through holes, and a cushion pad is installed above the support platform, when the steel ball slide rail 70 is fully extended, the middle section of the bottom surface of the upper part of the bracket 601 is abutted against the support platform 501, and at this time, the cushion pad can play a role of buffering to a great extent; it should be noted that the snap elastic element 503 is located right above the baffle 505, and when it is required to separate the snap elastic element 503 from the snap fastener 404, the baffle 505 is used as a mark point, which is convenient for manual work to directly bounce upwards towards the snap elastic element 503 to separate the snap elastic element 503 from the snap fastener 404.

Referring to fig. 7 and 8, the support bracket 50 has a pin hole at a side away from the ball slide rail 70, and the bracket 601 is rotatably fixed to the outer side of the support bracket 50 by a fastener.

In the above technical solution, the pin hole is formed at the supporting frame 50, and the bracket 601 can be rotatably disposed outside the supporting frame 50, if the supporting frame is fixed by a bolt fastening manner, the bearing plate 60 cannot be changed at a certain angle; it should be noted that the bracket 601 is fixed to the outer side of the supporting frame 50 by a fastener, which is a pin or other connecting member that can also perform the function of a pin.

As shown in fig. 3 to 8, a reinforcing frame 602 is locked to the middle section of the bottom surface of the bearing plate 60 by a fastener, and the reinforcing frame 602 is shaped like a Chinese character 'ji'; the slide block 603 is in a downwardly convex pillow shape; when the supporting frame 50 is folded to the rear side, the sliding block 603 slides on the surface of the sliding plate 402.

In the technical scheme, the two sides of the bearing plate 60 bend upwards and then bend outwards and downwards in an opposite way to increase the strength, the bearing plate 60 bends upwards and then bends backwards in the rear direction to serve as reinforcement, and the front part of the bearing plate 60 bends downwards and then bends backwards to form a connecting plane; the brackets 601 are bilaterally symmetrical and are respectively a left bracket and a right bracket, the bracket flat plate is locked at the left side and the right side of the bottom surface of the bearing plate 60 by fasteners, the bracket flat plate faces outwards and is bent downwards to form a vertical surface, the front end of the vertical surface protrudes downwards to form a convex block, and the center of the convex block is provided with a pin shaft hole which is used as a through hole for connecting a pin shaft; the reinforcing frame 602 is in a shape of a Chinese character ji, and is locked at the center of the bottom surface of the supporting plate 60 by a fastening member, and the left and right ends of the reinforcing frame 602 abut against the inner sides of the flat panels of the left and right brackets.

Referring to fig. 9, it should be noted that the bracket 601 has a notch at a side close to the reinforcing frame 602, the bracket 601 is not locked with the reinforcing frame 602, and both the bracket 601 and the reinforcing frame 602 are locked on the bottom surface of the supporting board 60.

The working process of the invention is as follows:

referring to fig. 11 and 12, fig. 12 shows an extended state of the variable angle removable shelf, at this time, the steel ball slide rail 70 is fully extended, since the front end of the vertical surface of the bracket 601 is coupled to the outer side of the supporting frame 50, the bracket 601 and the bearing plate 60 naturally fall down with the pin shaft hole as the center of circle, and the middle section of the bottom surface of the upper portion of the bracket 601 abuts against the buffering software on the supporting platform 501 of the supporting frame 50, so that the bearing plate 60 is kept in a horizontal state; fig. 11 shows the folding state of the variable angle removable shelf, when the removable shelf needs to be folded, the loading plate 60 is manually pushed to move toward the inside of the cabinet, the ball track 70 is continuously folded, and the bracket 601 will continuously move inward, when the bracket 601 moves inward for a certain distance, the slider 603 at the rear position of the bottom surface of the bracket 601 starts to make sliding contact with the sliding plate 402, as the bracket 601 continues to move inward, the rear position of the bottom surface of the upper portion of the bracket 601 continuously rises, the bottom surface of the upper portion of the bracket 601 gradually separates from the supporting platform 501 until the slider 603 moves to the top of the sliding plate 402, and the bottom surface of the upper portion of the bracket 601 completely separates from the supporting platform 501, at this time, since the snap fastener 404 has an inclined flange capable of passing through the snap hole 504, the snap fastener 404 will pass through the elastic snap element 503 at the supporting frame 50, so that the steel ball slide rail 70 cannot extend; when the drawing rack needs to be extended, only one force needs to be applied from the rear or the force is simultaneously applied upwards to the left and right elastic buckle elements 503, the elastic buckle elements 503 and the buckle fixing pieces 404 are unlocked, so that the steel ball slide rail 70 is extended to drive the support frame 50 and the bracket 601 axially connected with the support frame 50 to move forwards, the slider 603 slides downwards along the sliding plate 402 until the middle section of the bottom surface of the upper part of the bracket 601 abuts against the buffering soft pad, the steel ball slide rail 70 is fully extended, and simultaneously the angle of the bearing plate 60 is changed from inclination to horizontal.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a variable angle extraction formula layer frame, includes cabinet body (10), its characterized in that: a plurality of extraction layer frames (20) which are arranged up and down are arranged in the cabinet body (10), and each extraction layer frame (20) comprises a fixed seat (40) and a support frame (50) which is arranged at the position of the fixed seat (40) in a sliding manner;

the fixed seat (40) comprises frame hands (401) which are arranged in a bilateral symmetry mode, and a sliding plate (402) is obliquely arranged at the position, close to the rear, of the upper end of each frame hand (401); the outer side of the support frame (50) is connected with a bracket (601) in a shaft mode, a sliding block (603) is fixed on the position, close to the rear, of the bottom face of the upper portion of the bracket (601), and a bearing plate (60) is locked above the bracket (601).

2. The variable angle removable shelf as claimed in claim 1, wherein: the angle-variable removable shelf has two states, namely an extension state and a folding state;

the stretching state is as follows: the supporting frame (50) is pushed out towards the front side, the middle section of the bottom surface of the upper part of the bracket (601) is abutted against the supporting frame (50), and the bearing plate (60) is arranged in a horizontal state;

the folding state is as follows: the supporting frame (50) is folded towards the rear side, the sliding block (603) is in sliding contact with the sliding plate (402), the bottom surface of the upper portion of the bracket (601) is separated from the supporting frame (50), and the bearing plate (60) is arranged in an inclined state.

3. The variable angle removable shelf as claimed in claim 1, wherein: the commodity display rack (30) is arranged on the drawing layer rack (20).

4. The variable angle removable shelf as claimed in claim 1, wherein: and a plurality of hook holes (101) for fixing the extraction shelf (20) are uniformly formed in two sides in the cabinet body (10) from top to bottom.

5. The variable angle removable shelf as claimed in claim 1, wherein: the fixing seat (40) further comprises a connecting rod (403) connected with the two frame hands (401), a buckle fixing piece (404) is arranged at the position, close to the front, of the upper end of each frame hand (401), and a steel ball sliding rail (70) is locked on the outer side face of each frame hand (401).

6. The variable angle removable shelf as claimed in claim 1 or 5, wherein: the rear end of the scaffold hand (401) is provided with a Z-shaped surface (405), the tail end of the Z-shaped surface (405) is provided with a plurality of hooks (406), and the hooks (406) are matched with the hook holes (101).

7. The variable angle removable shelf as claimed in claim 2, wherein: the support frame (50) is locked to the outer side of the steel ball slide rail (70), the middle section of the upper edge of the vertical surface of the support frame (50) extends upwards and bends inwards to form a support platform (501), the front section of the upper edge of the vertical surface of the support frame (50) extends upwards and bends inwards to form a buckling platform (502), a buckling elastic element (503) is locked below the buckling platform (502) through a fastener, and when the steel ball slide rail (70) is completely extended, the middle section of the bottom surface of the upper part of the bracket (601) abuts against the support platform (501).

8. The variable angle removable shelf as defined in claim 7, wherein: the snap elastic element (503) is provided with a snap hole (504) for a snap fixing piece (404) to pass through, and the snap fixing piece (404) is provided with an inclined flange which can pass through the snap hole (504); the front edge of the vertical surface of the support frame (50) protrudes forwards out of the steel ball slide rail (70) and is bent inwards to form a baffle plate (505).

9. The variable angle removable shelf as claimed in claim 1, wherein: the support frame (50) is provided with a pin shaft hole at one side far away from the steel ball slide rail (70), and the bracket (601) is rotationally fixed to the outer side of the support frame (50) through a fastener.

10. The variable angle removable shelf as defined in claim 9, wherein: the middle section of the bottom surface of the bearing plate (60) is locked with a reinforcing frame (602) through a fastener, and the reinforcing frame (602) is in a shape like a Chinese character 'ji'; the sliding block (603) is in a downwardly convex pillow shape; when the support frame (50) is folded towards the rear side, the sliding block (603) slides on the surface of the sliding plate (402).