Part storage rack with high space utilization rate

Abstract

The utility model discloses a part storage rack with high space utilization rate, which belongs to the technical field of sheet metal part storage and comprises a mounting component, a plurality of groups of fixing components are mounted on the mounting component, placing components for placing sheet metal parts are respectively mounted on the mounting component and the fixing components, and a lifting component for lifting the fixing components is mounted on the mounting component. The fixing assemblies are connected with the lifting assembly, the front end of the uppermost fixing assembly is provided with a plug pin assembly for locking the fixing assemblies, and the placing assembly is provided with a placing groove assembly. By means of the mode, gaps between parts are utilized, the containing number is increased, therefore, logistics transportation cost and transfer cost are reduced, meanwhile, sheet metal parts placed in the frame body are fixed, and stability of the sheet metal parts in the transportation process is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of sheet metal part storage, in particular to a part storage rack with high space utilization rate. Background Art

[0002] Product transportation packaging is a special packaging tool designed and transported according to the characteristics of different products. It plays an important role in sample approval and quality control during mass production. At the part production site and in logistics transportation, by shaping the parts and utilizing the gaps between products, the accommodation number is increased, thereby reducing the logistics transportation cost.

[0003] Among many existing technologies, a precision sheet metal part storage folding rack disclosed in Chinese Patent Application CN220113286U includes a bracket, a card slot is provided on the bracket, a first connecting rod is fixedly connected to the top of the bracket, a rotating shaft is rotatably connected to the bottom of the bracket, a support rod is installed at the bottom of the rotating shaft, a card sleeve is sleeved outside the bracket, a fixing screw is threadedly connected to the card sleeve, a fixing rod is fixedly connected to one side of the card sleeve, a second connecting rod is fixedly connected to one side of the fixing rod, a card block is clamped on the card slot, and a shelf is fixedly connected to one side of the card block.

[0004] However, in this patent application, the sheet metal parts are placed on the shelf by adjusting the shelf. The sheet metal parts cannot be fixed, which may cause the sheet metal parts to be extruded and deformed, and there is also a risk of the sheet metal parts falling off. In addition, the space utilization rate is low, and more sheet metal parts cannot be stored.

[0005] Based on this, the utility model designs a part storage rack with high space utilization rate to solve the above problems. Summary of the Utility Model

[0006] In view of the above-mentioned drawbacks of the prior art, the utility model provides a part storage rack with high space utilization rate.

[0007] To achieve the above object, the utility model is realized through the following technical solutions:

[0008] A part storage rack with high space utilization rate includes an installation component, multiple fixing components are installed on the installation component, placing components for placing sheet metal parts are respectively installed on the installation component and the fixing components, a lifting component for lifting and fixing the fixing components is installed on the installation component, the fixing component is connected to the lifting component, a pin component for locking and fixing the fixing component is installed at the front end of the uppermost fixing component, and a placing groove component is provided on the placing component;

[0009] There are three groups of the fixing components, which are installed at equal intervals in the vertical direction at the inner end of the installation component. The fixing component includes a connecting frame and three groups of limiting strip components. The connecting frame is connected to the installation component, and both ends of the limiting strip component are respectively connected to the connecting frame. Two of the limiting strip components are arranged in the front and back, and the third group of limiting strip components are symmetrically arranged in front of the limiting strip component at the rear.

[0010] Furthermore, the installation component includes an installation frame and a support base. There are four groups of the support bases, which are respectively fixedly installed on the four feet of the installation frame. The rear end of the connecting frame is hinged to the rear end of the installation frame;

[0011] It further includes a limiting component, and the front side of the installation frame is connected to the limiting component.

[0012] Furthermore, there are three groups of the placing components. Two of the placing components are respectively installed on the upper end surfaces of the connecting frames in the middle and lower parts, and the third group of placing components is installed on the inner bottom surface of the installation frame. The placing component includes two first placing strips, a second placing strip, a third placing strip and a fourth placing strip, which are arranged from front to back in sequence as the fourth placing strip, the first placing strip, the third placing strip, the second placing strip, and the first placing strip. The bottom surfaces of the first placing strip, the second placing strip, the third placing strip and the fourth placing strip installed above the connecting frame are respectively fixedly connected to the upper end surface of the connecting frame, and the bottom surfaces of the first placing strip, the second placing strip, the third placing strip and the fourth placing strip installed on the inner bottom surface of the installation frame are respectively fixedly connected to the inner bottom surface of the installation frame. Placing groove components are provided on the first placing strip, the second placing strip, the third placing strip and the fourth placing strip.

[0013] Furthermore, the lifting component includes a hydraulic air strut, a connecting rod, a limiting groove and a limiting pin. There are three groups of the hydraulic air struts, which are respectively installed at equal intervals up and down on the left side of the installation frame. The rear end of the hydraulic air strut is hinged to the connecting frame, and the output end of the hydraulic air strut is hinged to the installation frame. There are three groups of the connecting rods, which are respectively installed at equal intervals up and down on the right side of the installation frame. The rear end of the connecting rod is hinged to the connecting frame, and a limiting groove is provided at the front end of the connecting rod. One end of the limiting pin is fixedly connected to the installation frame, and the limiting pin can slide in the limiting groove.

[0014] Furthermore, the limiting strip component includes an installation rod and a rubber strip. Both ends of the installation rod are fixedly connected to the left and right inner walls of the connecting frame. One end of the rubber strip is fixedly connected to the lower end of the installation rod, and the sheet metal part can be inserted into the gap of the rubber strip.

[0015] Further, there are two groups of the bolt components, which are respectively installed at the front end of the uppermost connecting frame and located on the left and right sides of the bottom surface. The bolt component includes a mounting base plate, a bolt, a handle and a limiting plate. The upper end of the mounting base plate is fixedly connected to the lower end of the connecting frame. The bolt is slidably connected to the mounting base plate. The limiting plate is fixedly installed at the lower end of the mounting base plate. The handle is fixedly connected to the outer wall of the bolt.

[0016] Further, the placement groove component includes a first placement groove, a second placement groove, a third placement groove and a fourth placement groove. A plurality of groups of second placement grooves and fourth placement grooves are equidistantly arranged on the first placement strip, and all are opened on the front side. A plurality of groups of first placement grooves and a plurality of groups of third placement grooves are equidistantly arranged on the second placement strip. A plurality of groups of second placement grooves and a plurality of groups of fourth placement grooves are equidistantly arranged on the third placement strip, and all are opened on the rear side. A plurality of groups of first placement grooves are equidistantly arranged on the fourth placement strip. The fourth placement groove, the second placement groove and the fourth placement groove cooperate to place a set of positive sheet metal parts. The second placement groove, the third placement groove and the fourth placement groove cooperate to place a set of reverse sheet metal parts.

[0017] Further, the upper end of the lifting handle is fixedly installed at the middle of the front end of the uppermost connecting frame.

[0018] Further, the limiting component includes limiting tubes and triangular brackets. There are four groups of the limiting tubes and triangular brackets. Two groups of limiting tubes are symmetrically fixed and installed on the front end of the middle connecting frame left and right. The other two groups of limiting tubes are symmetrically fixed and installed on the front end of the middle connecting frame left and right. The triangular brackets are symmetrically fixed and installed on the front side of the mounting frame left and right, with two groups on each side and arranged up and down.

[0019] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0020] The placement component is used for placing sheet metal parts. The placement component is provided with a placement groove component for placing the sheet metal parts in the positive direction and a placement groove component for placing the sheet metal parts in the reverse direction to realize the high utilization of space and avoid waste of space. When the connecting frame is lifted, the lifting component can lock the connecting frame. When the connecting frame is lowered, the lifting component can buffer. The limiting strip component can stabilize the sheet metal parts below. The bolt component locks the uppermost connecting frame when the uppermost connecting frame is flattened to prevent the uppermost connecting frame from lifting due to transportation bumps and causing the sheet metal parts to fall off. The two connecting frames equipped with limiting tubes can be limited by the cooperation of the mounting component and the limiting tubes. The fixation of the sheet metal parts is realized, which will not cause the accumulation of sheet metal parts, resulting in extrusion deformation, avoiding the risk of sheet metal parts falling off, and having a high space utilization rate, utilizing the gap between products, improving the accommodation number, being able to store more sheet metal parts, thereby reducing the logistics transportation cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0022] Figure 1 Stereogram of a part storage rack with high space utilization rate of the present invention Figure 1 ;

[0023] Figure 2 Right view of a part storage rack with high space utilization rate of the present invention;

[0024] Figure 3 Top view of a part storage rack with high space utilization rate of the present invention;

[0025] Figure 4 For the sectional view along the A-A direction of Figure 2 ;

[0026] Figure 5 Schematic diagram of a part storage rack with high space utilization rate of the present invention;

[0027] Figure 6 Schematic diagram of the limit bar assembly;

[0028] Figure 7 Schematic diagram of the connection structure of the connecting rod and the limit pin;

[0029] Figure 8 Schematic diagram of the plug pin assembly;

[0030] Figure 9 For Figure 4 Enlarged view at B in

[0031] The labels in the figure respectively represent:

[0032] 1. Installation component 11. Installation frame 12. Support base 2. Placement component 21. First placement bar 22. Second placement bar 23. Third placement bar 24. Fourth placement bar 3. Lifting component 31. Hydraulic gas strut 32. Connecting rod 33. Limit groove 34. Limit pin 4. Fixing component 41. Connecting frame 42. Limit bar assembly 421. Installation rod 422. Rubber strip 5. Plug pin assembly 51. Installation bottom plate 52. Plug rod 53. Handle 54. Limit plate 6. Placement groove component 61. First placement groove 62. Second placement groove 63. Third placement groove 64. Fourth placement groove 7. Sheet metal part 8. Lifting handle 9. Limit component 91. Limit tube 92. Triangular bracket. Detailed implementation manners

[0033] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the protection scope of the present utility model.

[0034] The "left", "right", "front", "rear", "upper", and "lower" mentioned in the following description are oriented in the perspective direction of the front view.

[0035] Embodiment 1

[0036] In some embodiments, please refer to the specification appendix Figures 1-7 , a part storage rack with high space utilization rate, including an installation component 1, multiple groups of fixing components 4 are installed on the installation component 1, placing components 2 for placing sheet metal parts 7 are respectively installed on the installation component 1 and the fixing components 4, a lifting component 3 for lifting the fixing components 4 is installed on the installation component 1, the fixing component 4 is connected to the lifting component 3, a pin component 5 for locking the fixing component 4 is installed at the front end of the uppermost fixing component 4, and a placing groove component 6 is provided on the placing component 2;

[0037] There are three groups of fixing components 4, which are installed at equal intervals in the vertical direction at the inner end of the installation component 1. The fixing component 4 includes a connecting frame 41 and three groups of limiting strip components 42. The connecting frame 41 is connected to the installation component 1, and both ends of the limiting strip component 42 are respectively connected to the connecting frame 41. Two of the limiting strip components 42 are arranged in the front and rear, and the third group of limiting strip components 42 are symmetrically arranged on the front side of the limiting strip component 42 located at the rear;

[0038] The placing component 2 is used to place the sheet metal parts 7. The placing component 2 is provided with a placing groove component 6 that can place the sheet metal parts 7 in the forward direction and a placing groove component 6 that can place the sheet metal parts 7 in the reverse direction to realize the high utilization of space and avoid wasting space. When the connecting frame 41 is lifted, the lifting component 3 can lock the connecting frame 41. When the connecting frame 41 is lowered, the lifting component 3 can buffer. The limiting strip component 42 can stabilize the sheet metal parts 7 below. The pin component 5 locks the uppermost connecting frame 41 when the uppermost connecting frame 41 is leveled to prevent the uppermost connecting frame 41 from lifting due to transportation bumps and causing the sheet metal parts 7 to fall off. The two connecting frames 41 installed with limiting tubes can be limited through the cooperation of the installation component 1 and the limiting tubes.

[0039] The installation component 1 includes an installation frame 11 and a support base 12. There are four groups of support bases 12, which are respectively fixedly installed on the four feet of the installation frame 11. The rear end of the connecting frame 41 is hinged to the rear end of the installation frame 11;

[0040] It also includes a limit component 9, and the front side of the installation frame 11 is connected to the limit component 9;

[0041] There are three groups of placement components 2. Two of the placement components 2 are respectively installed on the upper end surfaces of the connecting frames 41 in the middle and lower parts, and the third group of placement components 2 is installed on the inner bottom surface of the installation frame 11. The placement component 2 includes two groups of first placement bars 21, second placement bars 22, third placement bars 23 and fourth placement bars 24, which are arranged from front to back in sequence as the fourth placement bar 24, the first placement bar 21, the third placement bar 23, the second placement bar 22, and the first placement bar 21. The bottom surfaces of the first placement bar 21, second placement bar 22, third placement bar 23 and fourth placement bar 24 installed above the connecting frame 41 are respectively fixedly connected to the upper end surface of the connecting frame 41. The bottom surfaces of the first placement bar 21, second placement bar 22, third placement bar 23 and fourth placement bar 24 installed on the inner bottom surface of the installation frame 11 are respectively fixedly connected to the inner bottom surface of the installation frame 11. Placement grooves 6 are provided on the first placement bar 21, second placement bar 22, third placement bar 23 and fourth placement bar 24;

[0042] The lifting component 3 includes hydraulic struts 31, connecting rods 32, limit grooves 33 and limit pins 34. There are three groups of hydraulic struts 31, which are respectively installed on the left side of the installation frame 11 at equal intervals from top to bottom. The rear end of the hydraulic strut 31 is hinged to the connecting frame 41, and the output end of the hydraulic strut 31 is hinged to the installation frame 11. There are three groups of connecting rods 32, which are respectively installed on the right side of the installation frame 11 at equal intervals from top to bottom. The rear end of the connecting rod 32 is hinged to the connecting frame 41. A limit groove 33 is provided at the front end of the connecting rod 32. One end of the limit pin 34 is fixedly connected to the installation frame 11, and the limit pin 34 can slide in the limit groove 33;

[0043] The limit strip component 42 includes an installation rod 421 and a rubber strip 422. The two ends of the installation rod 421 are fixedly connected to the left and right inner walls of the connecting frame 41. One end of the rubber strip 422 is fixedly connected to the lower end of the installation rod 421. The sheet metal part 7 can be inserted into the gap of the rubber strip 422;

[0044] There are two groups of pin components 5, which are respectively installed at the front end of the uppermost connecting frame 41, on the left and right sides of the bottom surface. The pin component 5 includes an installation base plate 51, a plug rod 52, a handle 53 and a limit plate 54. The upper end of the installation base plate 51 is fixedly connected to the lower end of the connecting frame 41. The plug rod 52 is slidably connected to the installation base plate 51. The limit plate 54 is fixedly installed at the lower end of the installation base plate 51. The handle 53 is fixedly connected to the outer wall of the plug rod 52;

[0045] The placement slot assembly 6 includes a first placement slot 61, a second placement slot 62, a third placement slot 63, and a fourth placement slot 64. A plurality of groups of second placement slots 62 and fourth placement slots 64 are equidistantly arranged on the first placement strip 21, and they are all arranged on the front side. A plurality of groups of first placement slots 61 and a plurality of groups of third placement slots 63 are equidistantly arranged on the second placement strip 22. A plurality of groups of second placement slots 62 and a plurality of groups of fourth placement slots 64 are equidistantly arranged on the third placement strip 23, and they are all arranged on the rear side. A plurality of groups of first placement slots 61 are equidistantly arranged on the fourth placement strip 24. The fourth placement slot 64, the second placement slot 62, and the fourth placement slot 64 cooperate to place a set of forward sheet metal parts 7. The second placement slot 62, the third placement slot 63, and the fourth placement slot 64 cooperate to place a set of reverse sheet metal parts 7;

[0046] The upper end of the lifting handle 8 is fixedly installed at the middle of the front end of the uppermost connecting frame 41;

[0047] The limiting assembly 9 includes a limiting tube 91 and a triangular bracket 92. There are four sets of the limiting tube 91 and the triangular bracket 92. Two sets of the limiting tubes 91 are symmetrically fixedly installed on the left and right at the front end of the middle connecting frame 41. The other two sets of the limiting tubes 91 are symmetrically fixedly installed on the left and right at the front end of the middle connecting frame 41. The triangular brackets 92 are symmetrically fixedly installed on the left and right at the front side of the mounting frame 11, with two sets on each side and arranged vertically;

[0048] The fourth placement groove 64, the second placement groove 62 and the fourth placement groove 64 cooperate to place a set of positive sheet metal parts 7. The second placement groove 62, the third placement groove 63 and the fourth placement groove 64 cooperate to place a set of reverse sheet metal parts 7. Therefore, the first placement strip 21 and the second placement strip 22 can place a set of positive sheet metal parts 7, and the third placement strip 23 and the fourth placement strip 24 can place a set of reverse sheet metal parts 7. A set of sheet metal parts 7 can be placed reversely between the second placement strip 22 and the third placement strip 23. A set of reversely placed sheet metal parts 7 is arranged between the positively placed sheet metal parts 7, making better use of the space, increasing the space utilization rate, increasing the accommodation number, reducing the transportation cost. The connecting frame 41 drives the limiting strip assembly 42, so that the upper end of the sheet metal part 7 is clamped into the gap of the rubber strip 422 to fix the sheet metal part 7. The hydraulic gas strut 31 buffers the opening and closing of the connecting frame 41. The connecting rod 32 and the limiting groove 33 cooperate with the limiting pin 34. When the connecting frame 41 is opened, the connecting frame 41 is fixed by sliding the limiting pin 34 into the limiting groove 33 opened on the connecting rod 32. When the uppermost connecting frame 41 is laid flat, the insertion rod 52 is inserted into the hole opened on the mounting frame 11, and at the same time, the limiting plate 54 limits the handle 53 to fix the connecting frame 41. When the middle and lower connecting frames 41 are laid flat, the limiting tube 91 and the triangular bracket 92 cooperate to limit the middle and lower connecting frames 41. Lifting the handle 8 is convenient for gripping and lifting. The hydraulic gas strut 31 adopts existing mature technology. Compared with the existing accommodation number, the gap between parts is utilized to increase the accommodation number, thereby reducing the logistics transportation cost.

[0049] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A parts storage rack with high space utilization, comprising a mounting assembly (1), characterized in that: The installation component (1) is equipped with a plurality of fixing components (4), the installation component (1) and the fixing component (4) are respectively equipped with a placement component (2) for placing a sheet metal part (7), the installation component (1) is equipped with a lifting component (3) for lifting the fixing component (4), the fixing component (4) is connected to the lifting component (3), the front end of the uppermost fixing component (4) is equipped with a latch component (5) for locking the fixing component (4), and the placement component (2) is provided with a placement slot component (6); The fixing components (4) have three groups, which are installed at equal intervals in the vertical direction on the inner end of the installation component (1). The fixing components (4) include a connecting frame (41) and three groups of limiting bar components (42). The connecting frame (41) is connected to the installation component (1), and the two ends of the limiting bar components (42) are respectively connected to the connecting frame (41), wherein two groups of limiting bar components (42) are arranged front and back, and the third group of limiting bar components (42) is symmetrically arranged on the front side of the limiting bar component (42) located at the rear side.

2. The high space utilization parts storage rack according to claim 1 is characterized in that: The mounting assembly (1) comprises a mounting frame (11) and a support seat (12); the support seat (12) has four groups respectively fixedly mounted on four legs of the mounting frame (11); the rear end of the connecting frame (41) is hinged to the rear end of the mounting frame (11); It also includes a limiting component (9), and the front side of the mounting frame (11) is connected to the limiting component (9).

3. The high space utilization parts storage rack according to claim 2, characterized in that: The placement components (2) have three groups, two of which are respectively mounted on the upper end surfaces of the middle and lower connecting frames (41), and the third group of placement components (2) is mounted on the inner bottom surface of the mounting frame (11). The placement components (2) include two groups of first placement bars (21), second placement bars (22), third placement bars (23) and fourth placement bars (24), which are arranged from front to back, in order of the fourth placement bar (24), the first placement bar (21), the third placement bar (23), the second placement bar (22), and the first placement bar (21), and are mounted on the connecting frame ( The bottom surfaces of the first placement bar (21), the second placement bar (22), the third placement bar (23) and the fourth placement bar (24) above the connecting frame (41) are respectively fixedly connected to the upper end surface of the connecting frame (41); the bottom surfaces of the first placement bar (21), the second placement bar (22), the third placement bar (23) and the fourth placement bar (24) installed on the inner bottom surface of the mounting frame (11) are respectively fixedly connected to the inner bottom surface of the mounting frame (11); and the first placement bar (21), the second placement bar (22), the third placement bar (23) and the fourth placement bar (24) are provided with a placement slot assembly (6).

4. The high space utilization parts storage rack according to claim 3 is characterized in that: The lifting assembly (3) comprises a hydraulic gas strut (31), a connecting rod (32), a limiting groove (33) and a limiting pin (34). The hydraulic gas strut (31) has three groups, which are respectively installed on the left side of the mounting frame (11) at equal intervals in the upper and lower directions. The rear end of the hydraulic gas strut (31) is hinged to the connecting frame (41), and the output end of the hydraulic gas strut (31) is hinged to the mounting frame (11). The connecting rod (32) has three groups, which are respectively installed on the right side of the mounting frame (11) at equal intervals in the upper and lower directions. The rear end of the connecting rod (32) is hinged to the connecting frame (41), and the front end of the connecting rod (32) is provided with a limiting groove (33). One end of the limiting pin (34) is fixedly connected to the mounting frame (11), and the limiting pin (34) can slide in the limiting groove (33).

5. The high space utilization parts storage rack according to claim 4, characterized in that: The limit bar assembly (42) comprises a mounting rod (421) and a rubber strip (422), the two ends of the mounting rod (421) are fixedly connected to the left and right inner walls of the connecting frame (41), one end of the rubber strip (422) is fixedly connected to the lower end of the mounting rod (421), and the sheet metal part (7) can be inserted into the gap of the rubber strip (422).

6. The high space utilization parts storage rack according to claim 5, characterized in that: The latch assembly (5) has two groups respectively mounted on the front end of the uppermost connecting frame (41) and located on the left and right sides of the bottom surface. The latch assembly (5) comprises a mounting base plate (51), an insertion rod (52), a handle (53) and a limit plate (54). The upper end of the mounting base plate (51) is fixedly connected to the lower end of the connecting frame (41), the insertion rod (52) is slidably connected to the mounting base plate (51), the limit plate (54) is fixedly mounted on the lower end of the mounting base plate (51), and the handle (53) is fixedly connected to the outer wall of the insertion rod (52).

7. The high space utilization parts storage rack according to claim 6, characterized in that: The placement slot assembly (6) comprises a first placement slot (61), a second placement slot (62), a third placement slot (63) and a fourth placement slot (64); the first placement strip (21) is provided with a plurality of groups of second placement slots (62) and fourth placement slots (64) at equal intervals and are all located at the front side; the second placement strip (22) is provided with a plurality of groups of first placement slots (61) and a plurality of groups of third placement slots (63) at equal intervals; the third placement strip (23) is provided with a plurality of groups of second placement slots (62) and a plurality of groups of fourth placement slots (64) at equal intervals and are all located at the rear side; the fourth placement strip (24) is provided with a plurality of groups of first placement slots (61) at equal intervals; the fourth placement slot (64), the second placement slot (62) and the fourth placement slot (64) can cooperate to place a group of positive sheet metal parts (7); the second placement slot (62), the third placement slot (63) and the fourth placement slot (64) can cooperate to place a group of reverse sheet metal parts (7).

8. The high space utilization parts storage rack according to claim 7, characterized in that: The upper end of the lifting handle (8) is fixedly mounted on the front middle part of the uppermost connecting frame (41).

9. The high space utilization parts storage rack according to claim 8, characterized in that: The position limiting assembly (9) comprises a position limiting tube (91) and a triangular bracket (92). There are four groups of the position limiting tube (91) and the triangular bracket (92). Two groups of the position limiting tube (91) are fixedly mounted on the front end of the middle connecting frame (41) in a symmetrical manner. The other two groups of the position limiting tube (91) are fixedly mounted on the front end of the middle connecting frame (41) in a symmetrical manner. The triangular bracket (92) is fixedly mounted on the front side of the mounting frame (11) in a symmetrical manner. There are two groups on each side and they are arranged vertically.

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