Splicing type goods shelf capable of being adjusted in extensible mode

Abstract

The utility model provides a splicing type goods shelf capable of being extended and adjusted, and relates to the technical field of goods shelves. The extendable and adjustable spliced goods shelf comprises a base, a supporting assembly is installed at the bottom of the base, and first supporting plates are fixedly connected to the two sides of the top of the base correspondingly. According to the extendable and adjustable splicing type goods shelf, two first racks drive two square clamping rods to move in the opposite directions, at the moment, two reset springs are in an elastic stretching state, the two square clamping rods slide on two connecting blocks, the square clamping rods can move out of square clamping grooves, then U-shaped handles are pulled outwards, and the two square clamping rods can move out of the square clamping grooves. The hollow extension plate is pulled out of the second supporting plate, after the hollow extension plate is pulled out to a proper position, the U-shaped rod is loosened, the two reset springs are reset, and the two square clamping rods are clamped into the corresponding square clamping grooves correspondingly, so that the second supporting plate can be lengthened through the structure, better goods can be conveniently placed, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to a spliced ​​shelf, in particular to an extendable and adjustable spliced ​​shelf, belonging to the technical field of shelves. Background Art

[0002] Shelves are an important tool for storing items in warehouses, and their market demand share is increasing with the rapid development of the economy.

[0003] The disclosure number is CN217885464U, a spliced ​​storage shelf, comprising a base, a support assembly, two groups of first support plates, multiple groups of electric push rods, multiple groups of movable plates, multiple groups of connecting rods, multiple groups of T-shaped plugs, multiple groups of T-shaped sliders, multiple groups of second support plates and multiple groups of handles. The support assembly is installed at the bottom end of the base, the two groups of first support plates are symmetrically fixed on the left and right sides of the top end of the base, and multiple groups of slide grooves are evenly and symmetrically arranged on the inner side of the first support plate, the outer end of the first support plate is provided with an opening, the opening of the first support plate is connected to the slide groove at its inner end, and multiple groups of electric push rods are respectively evenly and symmetrically fixed on the outer ends of the two groups of first support plates, the output ends of the electric push rods are connected to the movable plate, and multiple groups of connecting rods are respectively fixed to the bottom of the inner ends of the multiple groups of movable plates.

[0004] Although there are many benefits in the above scheme, there are also the following disadvantages: 1. Since the second support plate cannot be extended, the goods placed on the second support plate are limited, reducing the practicality of the device; 2. By controlling the electric push rod, the electric push rod drives the movable plate to move left and right, and the movable plate drives the connecting rod and the T-shaped plug block to move left and right, so that the T-shaped plug block can be quickly plugged in and out of the slot of the T-shaped slider to fix the second support plate. Since there are multiple electric push rods, the production cost of the device will increase. Therefore, an extendable and adjustable splicing shelf is designed to solve the above-mentioned shortcomings. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] The purpose of the utility model is to provide an extendable and adjustable spliced ​​shelf in order to solve the above-mentioned problems, so as to solve the problems in the prior art that 1. Since the second support plate cannot be extended, the goods placed on the second support plate are limited, which reduces the practicality of the device; 2. By controlling the electric push rod, the electric push rod drives the movable plate to move left and right, and the movable plate drives the connecting rod and the T-shaped plug block to move left and right, so that the T-shaped plug block can be quickly inserted and removed from the slot of the T-shaped slider to fix the second support plate. Since a plurality of electric push rods are provided, the production cost of the device will be increased.

[0007] (II) Technical solution

[0008] The utility model is implemented through the following technical scheme: an extendable and adjustable spliced ​​shelf, comprising a base, a supporting assembly is installed at the bottom of the base, both sides of the top of the base are fixedly connected with a first support plate, a plurality of slide grooves are opened on the opposite sides of the two first support plates, a second support plate is arranged between the slide grooves in a group of two, the second support plate is in sliding contact with the first support plate, a fixing assembly is arranged between the two first support plates, a hollow extension plate is slidably connected inside the second support plate, limiting grooves are opened on both sides of the inner side of the second support plate, a plurality of square card grooves are formed inside the limiting grooves, limiting sliders are fixedly connected on both sides of the hollow extension plate, the limiting sliders are arranged inside the limiting grooves and in sliding contact with the second support plate, the Two rotating rods are rotatably connected inside the hollow extension plate, and the two rotating rods are symmetrically distributed relative to the vertical center line of the hollow extension plate, and a pulling assembly is provided between the two rotating rods, and a first gear is fixedly connected to the outside of the rotating rod, and a first rack is meshedly connected to the outside of the first gear, and one end of the first rack is fixedly connected to a square clamping rod, and a connecting block is slidably connected to the outside of the square clamping rod, and the connecting block is fixedly connected to the bottom end inside the hollow extension plate, and a return spring is provided between the connecting block and the first rack, and the return spring is sleeved on the outside of the square clamping rod, and two ends of the return spring are respectively fixedly connected to the connecting block and the first rack, and one end of the square clamping rod passes through the inside of the hollow extension plate and is slidably connected to the hollow extension plate, and one end of the square clamping rod extends to the inside of the square clamping slot.

[0009] Preferably, the fixing assembly includes two connecting plates, the two connecting plates are respectively arranged on one side of the two first support plates, and a plurality of fixing blocks are installed on the opposite sides of the two connecting plates, one end of the fixing block passes through the outer side of the first support plate and extends to the inside of the slide groove, the plurality of fixing blocks are respectively slidably connected to the two first support plates, and a plurality of second support plates are provided with fixing grooves on both sides, and the fixing blocks are arranged inside the fixing grooves.

[0010] Preferably, the fixing assembly also includes a screw rod, which is arranged on the outside of the base, one end of the screw rod passes through the base and is rotatably connected to the base, opposite threads are provided at both ends of the outer side of the screw rod, and L-shaped plates are connected to both ends of the outer side of the screw rod through nut pairs, and the two connecting plates are fixedly connected to one end of the two L-shaped plates respectively.

[0011] Preferably, an elongated rod is provided on the outside of the screw rod, one end of which passes through the base and is fixedly connected to the base, and the two L-shaped plates are slidably connected to the outside of the elongated rod. The setting of the elongated rod serves as a sliding limit for the two L-shaped plates, thereby improving the stability of the movement of the two L-shaped plates.

[0012] Preferably, one end of the screw is fixedly connected to a worm wheel, the outer side of the worm wheel is meshingly connected to a worm, the outer side of the worm is rotatably connected to a support plate, the support plate is fixedly connected to the bottom of the base, and one end of the worm is fixedly connected to a turning handle. The setting of the support plate provides rotational support for the worm.

[0013] Preferably, the pulling assembly comprises two second gears, the two second gears are fixedly connected to the outer sides of the two rotating rods respectively, and the outer sides of the two second gears are meshedly connected with second racks.

[0014] Preferably, the pulling assembly also includes a U-shaped rod, which is arranged on the front side of the hollow extension plate, both ends of the U-shaped rod pass through the front side of the hollow extension plate and extend into the interior of the hollow extension plate, the U-shaped rod is slidably connected to the hollow extension plate, both ends of the U-shaped rod are respectively fixedly connected to two second racks, and a U-shaped handle is provided on the outside of the U-shaped rod, and the U-shaped handle is fixedly connected to the front side of the hollow extension plate.

[0015] The utility model provides an extendable and adjustable spliced ​​shelf, which has the following beneficial effects:

[0016] 1. In the extendable and adjustable spliced ​​shelf, the two first racks drive the two square clamping rods to move in relative directions. At this time, the two reset springs are in an elastically stretched state, and the two square clamping rods slide on the two connecting blocks. The square clamping rods can be moved out from the inside of the square clamping slots, and then the U-shaped handle is pulled outward to pull the hollow extension plate out of the inside of the second support plate. After the hollow extension plate is pulled out to a suitable position, the U-shaped rod is loosened, and the two reset springs are reset to realize that the two square clamping rods are respectively inserted into the corresponding square clamping slots. Therefore, this structure can realize the extension of the second support plate to place better goods, thereby improving the practicality of the device.

[0017] 2. The extendable and adjustable spliced ​​shelf inserts the second support plate into the slide groove in groups of two, and then turns the handle, the worm and the worm wheel engage, the worm wheel drives the lead screw to rotate, the lead screw and the two L-shaped plates are connected by nut pairs respectively, the two L-shaped plates drive the two connecting plates to move in relative directions, and the second support plate is fixed by inserting the fixing block into the fixing groove. Therefore, this structure can meet the needs of fixing multiple second support plates at the same time, without the need to set up multiple electric push rods, thereby reducing the production cost of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the first support plate of the utility model;

[0020] Figure 3This is a schematic diagram of the structure of the second support plate of the utility model;

[0021] Figure 4 This is a cross-sectional view of the second support plate of the utility model;

[0022] Figure 5 For this utility model Figure 4 A magnified view of the structure of part A;

[0023] Figure 6 This is a schematic diagram of the internal structure of the hollow extension plate of the utility model;

[0024] Figure 7 For this utility model Figure 6 Enlarged view of the structure of part B.

[0025]

Main component symbol description

[0026] 1. Base; 2. Support assembly; 3. First support plate; 4. Slide groove; 5. Connecting plate; 6. Fixed block; 7. L-shaped plate; 8. Screw; 9. Worm gear; 10. Worm; 11. Second support plate; 12. Hollow extension plate; 13. Fixed groove; 14. Limiting groove; 15. U-shaped handle; 16. Square clamping rod; 17. Limiting slider; 18. Connecting block; 19. First rack; 20. First gear; 21. Rotating rod; 22. Second gear; 23. Second rack; 24. U-shaped rod. DETAILED DESCRIPTION

[0027] The embodiment of the utility model provides an extendable and adjustable spliced ​​shelf.

[0028] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7, including a base 1, a supporting assembly 2 is installed at the bottom of the base 1, first supporting plates 3 are fixedly connected to both sides of the top of the base 1, a plurality of slide grooves 4 are provided on the opposite sides of the two first supporting plates 3, a second supporting plate 11 is provided between the slide grooves 4 in pairs, the second supporting plate 11 is in sliding contact with the first supporting plate 3, a fixing assembly is provided between the two first supporting plates 3, a hollow extension plate 12 is slidably connected inside the second supporting plate 11, limiting grooves 14 are provided on both sides of the inner side of the second supporting plate 11, a plurality of square card grooves are formed inside the limiting grooves 14, and limiting sliders 17 are fixedly connected to both sides of the hollow extension plate 12, the limiting sliders 17 are arranged inside the limiting grooves 14 and in sliding contact with the second supporting plate 11, and two rotating rods 21 are rotatably connected inside the hollow extension plate 12, and the two The two rotating rods 21 are symmetrically distributed relative to the vertical center line of the hollow extension plate 12, and a pulling assembly is provided between the two rotating rods 21. A first gear 20 is fixedly connected to the outer side of the rotating rod 21, and a first rack 19 is meshedly connected to the outer side of the first gear 20. One end of the first rack 19 is fixedly connected to a square clamping rod 16, and a connecting block 18 is slidably connected to the outer side of the square clamping rod 16. The connecting block 18 is fixedly connected to the bottom end inside the hollow extension plate 12, and a return spring is provided between the connecting block 18 and the first rack 19. The return spring is sleeved on the outer side of the square clamping rod 16, and both ends of the return spring are fixedly connected to the connecting block 18 and the first rack 19 respectively. One end of the square clamping rod 16 passes through the inner side of the hollow extension plate 12 and is slidably connected to the hollow extension plate 12, and one end of the square clamping rod 16 extends to the inside of the square clamping groove.

[0029] The pulling assembly includes two second gears 22, which are respectively fixedly connected to the outer sides of the two rotating rods 21, and the outer sides of the two second gears 22 are meshed with second racks 23. The pulling assembly also includes a U-shaped rod 24, which is arranged on the front side of the hollow extension plate 12, and both ends of the U-shaped rod 24 pass through the front side of the hollow extension plate 12 and extend to the inside of the hollow extension plate 12. The U-shaped rod 24 is slidably connected to the hollow extension plate 12, and both ends of the U-shaped rod 24 are respectively fixedly connected to the two second racks 23. A U-shaped handle 15 is provided on the outer side of the U-shaped rod 24, and the U-shaped handle 15 is fixedly connected to the front side of the hollow extension plate 12.

[0030] Specifically, a person holds the U-shaped handle 15 and the U-shaped rod 24, and pulls the two second racks 23 to move through the U-shaped rod 24. The two second racks 23 are respectively meshed with the two second gears 22, and the two rotating rods 21 respectively drive the two first gears 20 to rotate. The two first gears 20 are respectively meshed with the two first racks 19, and the two first racks 19 drive the two square clamping rods 16 to move in relative directions. At this time, the two reset springs are in an elastically stretched state, and the two square clamping rods 16 slide on the two connecting blocks 18, and the square clamping rods 16 can be moved out of the square clamping groove, and then the U-shaped handle 15 is pulled outward to pull the hollow extension plate 12 out of the second support plate 11. After the hollow extension plate 12 is pulled out to a suitable position, the U-shaped rod 24 is loosened, and the two reset springs are reset, so that the two square clamping rods 16 are respectively inserted into the corresponding square clamping grooves. Therefore, this structure can extend the second support plate 11 to place better goods, thereby improving the practicality of the device.

[0031] As for the structural technology of the support assembly 2, a specific structure of a spliced ​​storage shelf with a publication number of CN217885464U is adopted.

[0032] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The fixing assembly includes two connecting plates 5, which are respectively arranged on one side of the two first support plates 3. A plurality of fixing blocks 6 are installed on the opposite sides of the two connecting plates 5. One end of the fixing block 6 passes through the outside of the first support plate 3 and extends to the inside of the slide groove 4. The plurality of fixing blocks 6 are respectively slidably connected to the two first support plates 3. A plurality of second support plates 11 are provided with fixing grooves 13 on both sides. The fixing blocks 6 are arranged inside the fixing grooves 13. The fixing assembly also includes a screw rod 8, which is arranged on the outside of the base 1. One end of the screw rod 8 passes through the base 1 and is rotatably connected to the base 1. The two ends of the outer side of the screw rod 8 are provided with opposite threads, and the two ends of the outer side of the screw rod 8 are connected with L-shaped plates 7 through nut pairs. The two connecting plates 5 are respectively fixedly connected to one end of the two L-shaped plates 7. A long rod is provided on the outer side of the screw rod 8, and one end of the long rod passes through the base 1 and is fixedly connected to the base 1. The two L-shaped plates 7 are slidably connected to the outside of the long rod. A worm wheel 9 is fixedly connected to one end of the screw rod 8, and a worm 10 is meshingly connected to the outside of the worm wheel 9. The outside of the worm 10 is rotatably connected to a support plate, and the support plate is fixedly connected to the bottom of the base 1. One end of the worm 10 is fixedly connected to a turning handle.

[0033] Specifically, the second support plates 11 are inserted into the slide grooves 4 in groups of two, and then the handle is turned, the worm 10 is meshed with the worm wheel 9, the worm wheel 9 drives the lead screw 8 to rotate, the lead screw 8 is connected to the two L-shaped plates 7 respectively through a nut pair, the two L-shaped plates 7 drive the two connecting plates 5 to move in relative directions, and the fixing blocks 6 are inserted into the fixing grooves 13 to fix the second support plates 11. Therefore, this structure can meet the needs of fixing multiple second support plates 11 at the same time, without the need to set up multiple electric push rods, thereby reducing the production cost of the device.

[0034] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An extendable and adjustable spliced ​​shelf, comprising a base (1), characterized in that: A support assembly (2) is installed at the bottom of the base (1), and first support plates (3) are fixedly connected to both sides of the top of the base (1), and a plurality of slide grooves (4) are provided on opposite sides of the two first support plates (3), and a second support plate (11) is provided between the slide grooves (4) in groups of two, and the second support plate (11) is in sliding contact with the first support plate (3), and a fixing assembly is provided between the two first support plates (3), and a hollow extension plate (12) is slidably connected inside the second support plate (11), and limiting grooves (14) are provided on both sides of the inner side of the second support plate (11), and a plurality of square card grooves are formed inside the limiting groove (14), and limiting sliders (17) are fixedly connected to both sides of the hollow extension plate (12), and the limiting sliders (17) are arranged inside the limiting grooves (14) and in sliding contact with the second support plate (11), and two rotating rods (21) are rotatably connected inside the hollow extension plate (12), and the two The rotating rods (21) are symmetrically distributed relative to the vertical center line of the hollow extension plate (12), and a pulling assembly is provided between the two rotating rods (21). The outer side of the rotating rod (21) is fixedly connected with a first gear (20), and the outer side of the first gear (20) is meshedly connected with a first rack (19), one end of the first rack (19) is fixedly connected with a square clamping rod (16), and the outer side of the square clamping rod (16) is slidably connected with a connecting block (18), and the connecting block (18) is fixedly connected to the bottom end inside the hollow extension plate (12). A reset spring is provided between the connecting block (18) and the first rack (19), and the reset spring is sleeved on the outer side of the square clamping rod (16), and the two ends of the reset spring are respectively fixedly connected to the connecting block (18) and the first rack (19), one end of the square clamping rod (16) passes through the inner side of the hollow extension plate (12) and is slidably connected to the hollow extension plate (12), and one end of the square clamping rod (16) extends to the inside of the square clamping groove.

2. The extendable and adjustable spliced ​​shelf according to claim 1, characterized in that: The fixing assembly comprises two connecting plates (5), the two connecting plates (5) are respectively arranged on one side of the two first supporting plates (3), a plurality of fixing blocks (6) are installed on the opposite side of the two connecting plates (5), one end of the fixing block (6) passes through the outside of the first supporting plate (3) and extends into the inside of the slide groove (4), the plurality of fixing blocks (6) are respectively slidably connected to the two first supporting plates (3), and the plurality of second supporting plates (11) are respectively provided with fixing grooves (13) on both sides, and the fixing blocks (6) are arranged inside the fixing grooves (13).

3. The extendable and adjustable spliced ​​shelf according to claim 2, characterized in that: The fixing assembly further comprises a screw rod (8), wherein the screw rod (8) is arranged on the outside of the base (1), one end of the screw rod (8) passes through the base (1) and is rotatably connected to the base (1), opposite threads are provided at both ends of the outside of the screw rod (8), and both ends of the outside of the screw rod (8) are connected to an L-shaped plate (7) via a nut pair, and the two connecting plates (5) are respectively fixedly connected to one end of the two L-shaped plates (7).

4. The extendable and adjustable spliced ​​shelf according to claim 3, characterized in that: A long rod is provided on the outside of the screw rod (8), one end of the long rod passes through the base (1) and is fixedly connected to the base (1), and the two L-shaped plates (7) are both slidably connected to the outside of the long rod.

5. The extendable and adjustable spliced ​​shelf according to claim 3, characterized in that: One end of the screw rod (8) is fixedly connected to a worm wheel (9), the outer side of the worm wheel (9) is meshingly connected to a worm (10), the outer side of the worm (10) is rotatably connected to a support plate, the support plate is fixedly connected to the bottom of the base (1), and one end of the worm (10) is fixedly connected to a turning handle.

6. The extendable and adjustable spliced ​​shelf according to claim 1, characterized in that: The pulling assembly comprises two second gears (22), the two second gears (22) are respectively fixedly connected to the outsides of two rotating rods (21), and the outsides of the two second gears (22) are meshedly connected with second racks (23).

7. The extendable and adjustable spliced ​​shelf according to claim 6, characterized in that: The pulling assembly further comprises a U-shaped rod (24), the U-shaped rod (24) being arranged on the front side of the hollow extension plate (12), both ends of the U-shaped rod (24) passing through the front side of the hollow extension plate (12) and extending into the interior of the hollow extension plate (12), the U-shaped rod (24) being slidably connected to the hollow extension plate (12), the two ends of the U-shaped rod (24) being respectively fixedly connected to two second racks (23), and a U-shaped handle (15) being arranged on the outside of the U-shaped rod (24), and the U-shaped handle (15) being fixedly connected to the front side of the hollow extension plate (12).

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