Turnover cage frame capable of being quickly assembled

Abstract

The utility model discloses a turnover cage shelf capable of being quickly assembled, which comprises a front frame assembly, a rear frame assembly, a side frame assembly and a shelf shelf assembly, the front frame assembly is provided with front frame upright posts arranged on the left side and the right side and front frame baffles detachably connected to the left front frame upright post and the right front frame upright post; the rear frame assembly is provided with rear frame stand columns arranged on the left side and the right side and rear frame baffles detachably connected to the left rear frame stand column and the right rear frame stand column. A diagonal bracing pipe fitting is hinged between the front frame baffle and the rear frame baffle, and the front frame baffle and the rear frame baffle are oppositely folded or reversely unfolded through the diagonal bracing pipe fitting; side frame assemblies are connected between the front frame stand columns and the rear frame stand columns in a hinged or buckled mode, and the side frame assemblies are correspondingly overturned to be attached to the front frame assembly and / or the rear frame assembly in the folding process. The shelf rack assembly is detachably hooked with the stand column guide grooves in the stand columns through shelf hooking mechanisms. Therefore, the folding operation strength is reduced, the structural strength and stability are improved, replacement and maintenance are convenient, the safety effect is good, and the storage and transportation cost is low.

Description

Technical Field

[0001] This utility model relates to the field of goods turnover and transportation equipment technology, and in particular to a turnover cage that can be quickly assembled. Background Technology

[0002] A turnover cage is a device used for storing and transporting goods, typically consisting of a metal frame and mesh or panel fencing. Its main function is to facilitate the efficient and safe handling and storage of goods. Widely used in logistics, manufacturing, retail, and agriculture, it can significantly improve work efficiency and optimize space utilization.

[0003] In existing technologies, turnover cages typically consist of four side panels and a bottom panel. When not in use, the side panels and bottom panel are usually folded for easy storage, and then reassembled when needed. For example, Chinese utility model patent CN212710482U, entitled "A Turnover Box," includes a bottom panel, side panels, a locking structure, a third locking element, and a sign holder. The bottom panel and the four side panels form a box with an open top. All four side panels are hinged to the bottom panel, and at least one locking structure is provided between each pair of adjacent side panels. When the four side panels are erected, the locking structures lock the adjacent side panels together, allowing the turnover box to be used normally. Furthermore, when the locking structures are released from the adjacent side panels, the four side panels can be laid flat on the bottom panel, thus folding the turnover box.

[0004] However, the existing technology still has the following drawbacks:

[0005] 1. Existing turnover cages usually use a longitudinal folding method to flip the side panels downwards and fold them onto the bottom plate. However, the locking structure needs to be released during the folding process, which is cumbersome. Moreover, after adopting this longitudinal folding turnover cage, the entire turnover cage side panels and bottom plate are laid flat on the ground, which is not convenient for users to push and move directly. Forklifts and other tools are required for moving, which increases the handling cost.

[0006] In addition, when existing turnover cages are assembled and used, their side panels are usually directly locked together using locking structures and other components. However, this method of connecting side panels is still not stable enough. When moving a lot of items or large items, the side panel connection structure is prone to loosening or being damaged by collision. Utility Model Content

[0007] In order to overcome the shortcomings of the existing technology, the purpose of this utility model is to provide a turnover cage that can be quickly assembled.

[0008] The purpose of this utility model is achieved by the following technical solution: a turnover cage that can be quickly assembled, including a front frame assembly, a rear frame assembly, a side frame assembly and a shelf assembly. The front frame assembly has front frame columns arranged on the left and right sides and front frame baffles detachably connected to the two front frame columns. The rear frame assembly has rear frame columns arranged on the left and right sides and rear frame baffles detachably connected to the two rear frame columns.

[0009] The front frame baffle and the rear frame baffle are hinged together by a diagonal bracing tube, which can be folded towards each other or unfolded in the opposite direction.

[0010] The side frame assembly is hinged and / or snapped together between the front frame column and the rear frame column, so that when the front frame assembly and the rear frame assembly are folded toward each other, the side frame assembly flips and fits onto the front frame assembly and / or the rear frame assembly.

[0011] Both the front frame column and the rear frame column are provided with column guide grooves. The shelf rack assembly has a shelf hook mechanism, and the shelf hook mechanism is detachably hooked to the column guide groove, thereby being detachably assembled on the front frame column and the rear frame column when unfolded for use.

[0012] Furthermore, the side frame assembly has a left frame baffle, and the left and right sides of the left frame baffle are respectively hinged to the rear frame column on the left side of the rear frame assembly and snap-fitted to the front frame column on the left side of the front frame assembly.

[0013] Alternatively, the left and right sides of the left frame baffle are respectively hinged to the front frame column on the left side of the front frame assembly and snap-fitted to the rear frame column on the left side of the rear frame assembly.

[0014] When the front frame baffle and the rear frame baffle are folded toward each other, the left frame baffle is flipped and attached to the front frame baffle and / or the rear frame baffle.

[0015] Furthermore, the side frame assembly has a right frame baffle, the left and right sides of which are respectively hinged to the rear frame column on the right side of the rear frame assembly and snap-fitted to the front frame column on the right side of the front frame assembly.

[0016] Alternatively, the left and right sides of the right frame baffle are respectively hinged to the front frame column on the right side of the front frame assembly and snap-fitted to the rear frame column on the right side of the rear frame assembly.

[0017] When the front frame baffle and the rear frame baffle are folded toward each other, the right frame baffle is flipped and attached to the front frame baffle and / or the rear frame baffle.

[0018] Furthermore, the front frame assembly also has a front frame horizontal tube, the two ends of which are respectively connected to the front frame columns on the left and right sides of the front frame assembly; the rear frame assembly also has a rear frame horizontal tube, the two ends of which are respectively connected to the rear frame columns on the left and right sides of the rear frame assembly; the two ends of the diagonal brace are respectively hinged to the front frame horizontal tube and the rear frame horizontal tube.

[0019] Furthermore, baffle blocks are provided on the left and right sides and the lower side of the front frame baffle, and the front frame upright and the front frame horizontal tube can be detachably inserted through the baffle blocks respectively.

[0020] Furthermore, baffle blocks are provided on the left and right sides and the bottom side of the rear frame baffle, and the corresponding slots of the rear frame upright and the rear frame horizontal tube can be detachably inserted through the baffle blocks respectively.

[0021] Furthermore, the front frame assembly also has a front frame lifting plate, the front frame lifting plate has sliding bushings on both sides and slides and rises and falls on the front frame pillars on the left and right sides of the front frame assembly through the sliding bushings, and the front frame lifting plate is disposed above the front frame baffle.

[0022] Furthermore, the shelf hook mechanism has a shelf hanging arm, a handle horizontal tube, and a shelf frame set on the shelf hanging arm. The shelf hanging arm is movably installed in the column guide groove of the front frame column and the rear frame column. The two ends of the handle horizontal tube extend toward the front frame column and the rear frame column respectively. The two ends of the handle horizontal tube are movably connected to the shelf hanging arm. The shelf hanging arm is provided with a rotatable pull wire clamp, so that by pulling the handle horizontal tube up and down and pulling the pull wire clamp to rotate, the column guide groove can be tightened or loosened.

[0023] Furthermore, the upper ends of the front frame column and the rear frame column are provided with anti-detachment covers to prevent the shelf assembly from sliding upward out of the column guide groove.

[0024] Furthermore, a brake assembly is provided on the front frame cross tube. The brake assembly has a brake push rod, a cam, and a clamping member. The cam is located at both ends of the brake push rod and pushes the clamping member to press down the caster on the front frame cross tube.

[0025] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0026] The turnover cage provided in this application embodiment has a front frame baffle of the front frame assembly and a rear frame baffle of the rear frame assembly connected by a hinged diagonal brace tube, so that the front frame assembly and the rear frame assembly can be folded closer to each other or unfolded further apart by the hinged connection of the diagonal brace tube.

[0027] By using hinges and snap-fit ​​connections between the side frame components and each column, compared to the previous implementation method that required locking structures for mutual locking, the embodiments of this application do not require manual unlocking of the locking structure one by one during the folding and storage of each baffle. The folding steps are fewer, the operation intensity is lower, the structural strength and stability of each baffle of the turnover cage are improved, the force balance and folding compactness of the turnover cage are improved, the safety is high, and the storage and transportation costs are low.

[0028] Moreover, the detachable hook assembly of each column and shelf assembly not only improves the assembly stability of the shelf assembly, but also facilitates the replacement and maintenance of the shelf assembly. Attached Figure Description

[0029] Figure 1 This is a three-dimensional schematic diagram of the turnover cage frame after disassembly of the front frame assembly in a preferred embodiment of the present invention;

[0030] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0031] Figure 3 for Figure 1 Enlarged view of point B in the middle;

[0032] Figure 4 This is a three-dimensional schematic diagram of the turnover cage in a preferred embodiment of the present invention, showing the front frame assembly and the rear frame assembly folding towards each other via diagonal bracing tubes, as well as the left frame baffle and the right frame baffle being flipped.

[0033] Figure 5 This is a three-dimensional schematic diagram showing the installation of the brake assembly on the turnover cage in a preferred embodiment of the present invention;

[0034] Figure 6 for Figure 5 Enlarged view of point C in the middle;

[0035] Figure 7 This is a three-dimensional schematic diagram of the turnover cage in a preferred embodiment of the present invention.

[0036] In the picture:

[0037] 10. Front frame assembly; 101. Front frame upright; 1011. Upright guide groove; 1012. Layer slide groove; 102. Front frame baffle; 1021. Baffle insert; 1022. Partition mesh slide plate; 103. Front frame horizontal tube; 104. Front frame lifting plate; 1041. Sliding bushing; 105. Upright support plate; 1051. Support platform;

[0038] 20. Rear frame assembly; 201. Rear frame upright; 202. Rear frame baffle; 203. Rear frame horizontal tube;

[0039] 30. Side frame assembly; 301. Left frame baffle; 302. Right frame baffle;

[0040] 40. Shelf assembly; 401. Shelf hook mechanism; 4011. Shelf hanging arm; 40111. Pull wire clamp; 40112. Limiting pulley; 4012. Handle horizontal tube; 4013. Shelf space frame; 4014. Shelf partition net;

[0041] 50. Diagonal bracing fittings; 51. Hinge joints;

[0042] 60. Anti-slip cover;

[0043] 70. Brake assembly; 701. Brake push rod; 702. Cam; 703. Clamping element;

[0044] 80. Casters. Detailed Implementation

[0045] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0046] like Figure 1-7 As shown, a quick-assembly turnover cage is commonly used for storing and transporting goods, helping to efficiently and safely handle and store items. It is widely used in logistics, manufacturing, retail, and agriculture. The quick-assembly turnover cage includes a front frame assembly 10, a rear frame assembly 20, side frame assemblies 30, and a shelf assembly 40.

[0047] The following is a detailed description of each component. The front frame assembly 10 consists of two front frame pillars 101 (left and right), a front frame baffle 102, and a front frame horizontal tube 103. The two ends of the front frame horizontal tube 103 are welded and fixed to the front frame pillars 101 on the left and right sides of the front frame assembly 10, respectively. The front frame baffle 102 has baffle inserts 1021 on the left and right sides and the bottom side, which are inserted into the corresponding pillar slots of the front frame pillars 101 and the front frame horizontal tube 103 to achieve detachable connection.

[0048] The rear frame assembly 20 consists of a rear frame upright, a rear frame baffle 202, and a rear frame horizontal tube 203. The two ends of the rear frame horizontal tube 203 are welded and fixed to the rear frame uprights on the left and right sides of the rear frame assembly 20, respectively. The left, right, and lower sides of the rear frame baffle 202 are also provided with baffle inserts 1021. Similarly, the rear frame baffle 202 is detachably connected by inserting the baffle inserts 1021 into the corresponding upright slots of the rear frame upright and the rear frame horizontal tube 203, respectively.

[0049] The side frame assembly 30 includes a left frame baffle 302301 and a right frame baffle. The specific arrangement of the left frame baffle 302301 and the right frame baffle is as follows:

[0050] The left side of the left frame baffle 302301 is hinged to the left rear frame post of the rear frame assembly 20 via a hinge, and the right side of the left frame baffle 302301 is snapped into the right front frame post 101 of the front frame assembly 10 via a snap-fit ​​mechanism. The left side of the right frame baffle is hinged to the front frame post 101 of the front frame assembly 10 via a hinge, and the right side of the right frame baffle is snapped into the right rear frame post of the rear frame assembly 20 via a snap-fit ​​mechanism.

[0051] In addition, the left frame baffle 302301 and the right frame baffle have another connection method. For example, the left side of the left frame baffle 302301 is snapped into the latch of the left rear frame post of the rear frame assembly 20 via a clip, and the right side of the left frame baffle 302301 is hinged to the right front frame post 101 of the front frame assembly 10 via a hinge. The left side of the right frame baffle is snapped into the latch of the front frame post 101 of the front frame assembly 10 via a clip, and the right side of the right frame baffle is hinged to the right rear frame post of the rear frame assembly 20 via a hinge.

[0052] Therefore, through the optimized connection settings of the left frame baffle 302301 and the right frame baffle, the left frame baffle 302301 and the right frame baffle can cooperate with the folding of the front frame assembly 10 and the rear frame assembly 20 through the flipping action, thereby improving the folding and unfolding convenience of the turnover cage; and the left frame baffle 302301 and the right frame baffle can be connected with the front frame column 101 and the rear frame column through the snap-fit ​​connection, which ensures quick disassembly and assembly, and avoids single-point stress through multi-point fixation, thereby increasing the impact resistance of the side panel connection by 30%.

[0053] Compared to previous implementation methods that required locking structures for mutual locking, the embodiments of this application do not require manual unlocking of the locking structures one by one during the folding and storage of each baffle. This reduces the number of folding steps and the intensity of operation. Moreover, it improves the structural strength and stability of each baffle of the turnover cage, and enhances the force balance and compactness of the turnover cage during folding. When unfolded, it also has a higher overall aesthetic appeal, making it easier to attract customers when displaying items in shopping malls.

[0054] Hinges 51 are provided on the front frame horizontal tube 103 and the rear frame horizontal tube 203, and the hinges 51 of the front frame horizontal tube 103 and the rear frame horizontal tube 203 are hinged together by a diagonal brace tube 50, thereby forming a hinged relationship between the front frame baffle 102 and the rear frame baffle 202. If necessary, the front frame horizontal tube 103 and the rear frame horizontal tube 203 can be hinged together by two diagonal brace tubes 50 arranged in an X-shape.

[0055] Therefore, when folding the turnover cage, the front frame assembly 10 and the rear frame assembly 20 are connected by the hinged connection of the diagonal bracing tube 50 to fold towards each other or unfold away from each other. During the folding and storage process, there is no need to manually unlock and tighten the locking structure one by one. The folding steps are few and the operation intensity is low.

[0056] Of course, before the folding operation, the shelf rack assembly 40 is first removed from each column. Shelf rack assembly 40 has shelf hooks welded to its side, which are used to hook the shelf rack assembly onto the back side of the rear frame baffle 202, and to flip the left frame baffle 302301 and the right frame baffle with the hinged column fulcrum. Then, as the folding operation progresses, the left frame baffle 302301 and the right frame baffle flip inward and fit against the inner side of the front frame baffle 102 and the rear frame baffle 202, so that the entire turnover cage forms a compact lateral folded state.

[0057] Compared to the previous method of longitudinally folding turnover cages and the need to use forklifts and other tools for handling, the implementation of this application is more convenient for handling. Since casters 80 are provided on both the front frame horizontal tube 103 and the rear frame horizontal tube 203, the turnover cage can be moved by pushing it without the need for tools, thus reducing handling costs.

[0058] Both the front frame column 101 and the rear frame column are provided with longitudinally extending column guide grooves 1011. Column support plates 105 are installed in the column guide grooves 1011. Several support platforms 1051 are arranged along the longitudinal length of the column support plates 105. The shelf rack assembly 40 is assembled and hooked and positioned through the column guide grooves 1011 and the support platforms 1051 on the column support plates 105.

[0059] Specifically, the shelf hook mechanism 401 has a shelf hanging arm 4011, a handle horizontal tube 4012, and a shelf frame 4013. The shelf frame 4013 is arranged horizontally. Shelf hanging arms 4011 are welded and fixed to both sides of the shelf frame 4013 facing the front frame baffle 102 and the rear frame baffle 202. Several limiting pulleys 40112 are provided on the shelf hanging arm 4011, and the shelf hanging arm 4011 can be lifted and slidably mounted on the column guide groove 1011 of the front frame column 101 and the rear frame column through the several limiting pulleys 40112.

[0060] The two ends of the handle horizontal tube 4012 extend towards the front frame column 101 and the rear frame column, respectively, and the handle horizontal tube 4012 is also arranged on the side of the shelf frame 4013 near the side frame assembly 30. In addition, the two ends of the handle horizontal tube 4012 are movably inserted through the elongated circular holes on the shelf hanging arm 4011, so that the handle horizontal tube 4012 can move up and down under the user's hand pull.

[0061] The handle horizontal tube 4012 is provided with locking hook plates at both ends. The shelf hanging arm 4011 is connected to the pull wire clamp plate 40111 by a rotating shaft. The handle horizontal tube 4012 hooks the pull wire clamp plate 40111 on the shelf hanging arm 4011 through the locking hook plates at both ends, so that the pull wire clamp plate 40111 rotates in and out on the shelf hanging arm 4011.

[0062] When the user pulls the handle horizontal tube 4012 upwards, the locking hook plate hooks the pull cable clamp plate 40111 upwards, causing the pull cable clamp plate 40111 to rotate and disengage from the support platform 1051 on the column support plate 105. At this time, the entire shelf rack assembly 40 can slide and rise freely along the column guide groove 1011. When the user releases the handle horizontal tube 4012, the tension spring on the shelf hanging arm 4011 elastically stretches the pull cable clamp plate 40111 downwards, causing the pull cable clamp plate 40111 to rotate downwards and lock onto the support platform 1051 on the column support plate 105, thereby positioning the entire shelf rack assembly 40 on the support platform 1051 at the corresponding height of the column support plate 105.

[0063] Thus, the detachable support of the shelf assembly 40 on each column allows for multi-level installation, enabling free height adjustment of the shelf assembly 40. This allows users to adjust the height of the shelf assembly 40 according to the amount of items stored and transported, providing high flexibility. Furthermore, the detachable hook assembly between each column and the shelf assembly 40 improves the assembly stability of the shelf assembly 40 and facilitates its replacement and maintenance.

[0064] In addition, anti-detachment covers 60 are installed on the top of the front frame column 101 and the rear frame column respectively. When assembling the shelf rack assembly 40 on the column, the anti-detachment covers 60 are first lifted upwards, and then the limiting pulleys 40112 on the shelf hanging arm 4011 are aligned with the column guide groove 1011 for installation. After installation, the anti-detachment covers 60 are put back on to prevent the shelf rack assembly 40 from sliding out of the column guide groove 1011, which further improves the assembly stability of the shelf rack assembly 40 and makes it safer.

[0065] Preferably, the front frame assembly 10 further includes a front frame lifting plate 104. Sliding bushings 1041 are provided on both sides of the front frame lifting plate 104. Layered sliding grooves 1012 are provided on the front frame uprights 101 on both sides of the front frame assembly 10. The sliding bushings 1041 slide and rise on the layered sliding grooves 1012 on the front frame uprights 101. The front frame lifting plate 104 is positioned above the front frame baffle 102. The height of the front frame lifting plate 104 is adjustable to accommodate items of different sizes, increasing space utilization by 40%. Furthermore, adjusting the height of the front frame lifting plate 104 facilitates the loading and unloading of items on the shelf assembly 40, further improving the efficiency of item turnover. Additionally, the front frame lifting plate 104 can be made of a PET light-transparent material, allowing users to easily observe the storage and transportation of items.

[0066] Preferably, several shelf rack assemblies 40 are arranged side by side, and multiple shelf rack assemblies 40 can be installed side by side to meet the layering requirements; in addition, a shelf partition 4014 for separating items is erected on a single shelf rack assembly 40 or between several shelf rack assemblies 40, and a partition slide plate 1022 for cooperating and stabilizing the lower end of the shelf partition 4014 is also provided on the inner side of the front frame baffle 102 and the rear frame baffle 202. The shelf partition 4014 can realize the classified storage and transportation of items and is used to separate items of different sizes.

[0067] In addition, the rear frame baffle 202 is provided with two vertically arranged and parallel back sliding grooves. During the folding operation, these two back sliding grooves are used to collect the shelf partition 4014.

[0068] A brake assembly 70 is provided on the front frame cross tube 103, including a brake push rod 701, a cam 702, and a clamping member 703. The brake push rod 701 is located below the front frame cross tube 103 for easy foot operation. The cam 702 is located at both ends of the brake push rod 701, and the cam 702 works with the clamping member 703 to press and brake the caster 80. Therefore, when the user presses the brake push rod 701, it drives the cam 702 to push the clamping member 703 down to press down the caster 80 on the front frame cross tube 103, preventing the caster 80 from sliding. The brake assembly 70 achieves one-button locking through mechanical linkage, avoiding the risk of slippage during transportation.

[0069] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A quick-assembly turnover cage, characterized in that, It includes a front frame assembly, a rear frame assembly, a side frame assembly, and a shelf assembly. The front frame assembly has front frame columns arranged on the left and right sides and front frame baffles detachably connected to the two front frame columns. The rear frame assembly has rear frame columns arranged on the left and right sides and rear frame baffles detachably connected to the two rear frame columns. The front frame baffle and the rear frame baffle are hinged together by a diagonal bracing tube, which can be folded towards each other or unfolded in the opposite direction. The side frame assembly is hinged and / or snapped together between the front frame column and the rear frame column, so that when the front frame assembly and the rear frame assembly are folded toward each other, the side frame assembly flips and fits onto the front frame assembly and / or the rear frame assembly. Both the front frame column and the rear frame column are provided with column guide grooves. The shelf rack assembly has a shelf hook mechanism, and the shelf hook mechanism is detachably hooked to the column guide groove, thereby being detachably assembled on the front frame column and the rear frame column when unfolded for use.

2. The quick-assembly turnover cage as described in claim 1, characterized in that, The side frame assembly has a left frame baffle, and the left and right sides of the left frame baffle are respectively hinged to the rear frame column on the left side of the rear frame assembly and snap-fitted to the front frame column on the left side of the front frame assembly. Alternatively, the left and right sides of the left frame baffle are respectively hinged to the front frame column on the left side of the front frame assembly and snap-fitted to the rear frame column on the left side of the rear frame assembly. When the front frame baffle and the rear frame baffle are folded toward each other, the left frame baffle is flipped and attached to the front frame baffle and / or the rear frame baffle.

3. The quick-assembly turnover cage as described in claim 1, characterized in that, The side frame assembly has a right frame baffle, and the left and right sides of the right frame baffle are respectively hinged to the rear frame column on the right side of the rear frame assembly and snap-fitted to the front frame column on the right side of the front frame assembly. Alternatively, the left and right sides of the right frame baffle are respectively hinged to the front frame column on the right side of the front frame assembly and snap-fitted to the rear frame column on the right side of the rear frame assembly. When the front frame baffle and the rear frame baffle are folded toward each other, the right frame baffle is flipped and attached to the front frame baffle and / or the rear frame baffle.

4. The quick-assembly turnover cage as described in claim 1, characterized in that, The front frame assembly also has a front frame horizontal tube, the two ends of which are respectively connected to the front frame columns on the left and right sides of the front frame assembly; the rear frame assembly also has a rear frame horizontal tube, the two ends of which are respectively connected to the rear frame columns on the left and right sides of the rear frame assembly; the two ends of the diagonal brace are respectively hinged to the front frame horizontal tube and the rear frame horizontal tube.

5. The quick-assembly turnover cage as described in claim 4, characterized in that, The front frame baffle is provided with baffle inserts on the left and right sides and the bottom side, and the front frame uprights and front frame horizontal tubes can be detachably inserted through the baffle inserts respectively.

6. The quick-assembly turnover cage as described in claim 4, characterized in that, The rear frame baffle is provided with baffle inserts on the left, right and lower sides, and the corresponding slots of the rear frame uprights and rear frame horizontal tubes can be detachably inserted through the baffle inserts.

7. The quick-assembly turnover cage as described in any one of claims 1-6, characterized in that, The front frame assembly also has a front frame lifting plate, with sliding bushings on both sides of the front frame lifting plate and sliding up and down on the front frame pillars on the left and right sides of the front frame assembly through the sliding bushings, and the front frame lifting plate is disposed above the front frame baffle.

8. The quick-assembly turnover cage as described in any one of claims 1-6, characterized in that, The shelf hook mechanism includes a shelf arm, a handle tube, and a shelf frame mounted on the shelf arm. The shelf arm is movably mounted on the column guide grooves of the front frame column and the rear frame column. The two ends of the handle tube extend toward the front frame column and the rear frame column, respectively. The two ends of the handle tube are movably connected to the shelf arm. The shelf arm is equipped with a rotatable pull wire clamp, so that by pulling the handle tube up and down, the pull wire clamp can be rotated to lock or release the column guide groove.

9. The quick-assembly turnover cage as described in any one of claims 1-6, characterized in that, The upper ends of the front frame column and the rear frame column are provided with anti-detachment covers to prevent the shelf assembly from sliding upward out of the column guide groove.

10. The quick-assembly turnover cage as described in claim 4, characterized in that, The front frame cross tube is equipped with a brake assembly, which includes a brake push rod, a cam, and a clamping member. The cam is located at both ends of the brake push rod and pushes the clamping member to press down the caster on the front frame cross tube.

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