Drawer backboard connecting device

A back panel connection and back panel technology, which is applied to drawers, furniture parts, household appliances, etc., can solve problems such as difficult operation, and achieve the effect of eliminating shear force and easy installation and disassembly

Inactive Publication Date: 2009-12-23
李绍汉
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AI-Extracted Technical Summary

Problems solved by technology

In order to facilitate production and assembly, there is a kind of drawer that is equipped with rear panel connecting blocks at the rear ends of the left and right side panels, and each rear panel connecting block has 4 horizontally arranged locks, and these locks are used to buckle the two ends of the rear panel. The buttonholes achieve the purpose of connecting the left and right side panels with the back p...
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Abstract

A drawer backboard connecting device belongs to the field of furniture, and comprises a supporting board, a lateral board, a backboard and a backboard connecting block. The supporting board is arranged on a drawer guide rail, the side board is enclosed outside the supporting board, and the backboard connecting block is arranged at the tail of the supporting board; and the backboard connecting block is provided with a slot and a flexible pawl which are arranged in the vertical direction, and the backboard is also provided with a backboard insertion sheet which is provided with a through hole matched with the flexible pawl of the backboard connecting block. The drawer backboard connecting device makes the assembly and disassembly of the drawer backboard simpler and easier, avoids the shearing force of the backboard on a fastener, makes a product more compact and durable, and is suitable for all furniture.

Application Domain

Technology Topic

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  • Drawer backboard connecting device
  • Drawer backboard connecting device
  • Drawer backboard connecting device

Examples

  • Experimental program(1)

Example Embodiment

[0020] The present invention will be further described in detail below in conjunction with the drawings.
[0021] The existing drawer products have drawer guide rails, pallets, side panels, back panels and back panel connection blocks. See Figure 1 to Figure 3 , figure 1 It is the structure shown from the left side of the rear part of the drawer. The drawer rail is composed of an upper rail 9, a middle rail and a lower rail 10. The pallet 1 is installed on the upper rail 9, and the side plate 2 is enclosed outside the pallet 1. A plastic rear plate connecting block 4 is fixed on the pallet 1 at the tail of the side plate 2; the rear plate connecting block 4 extends to the right with four flexible locking members 11, which are used to interact with The left end of the rear plate 3 of the drawer is detachably connected; the left and right ends of the rear plate 3 are respectively provided with folding edges 12, and there are two button holes 13 on the folding edges 12. When the rear plate 3 is horizontally pressed against the rear plate connecting block 4, 4 The two locking members 11 are divided into two groups and deformed respectively, passing through the two button holes 13 and then buckling the rear plate 3 to fix it; obviously, external force is required to bend the four locking members 11 at the same time when the rear plate 3 is disassembled The deformation can make the button hole 13 leave the rear plate connecting block 4 in the direction of the arrow in the figure. Secondly, the weight of the rear plate 3 is exerted downward on the locking member 11 through the buckle hole 13, so that the locking member 11 is subjected to vertical shearing force for a long time and is deformed or even damaged.
[0022] See Figure 4 to Figure 7 , The rear plate connecting block 4 of this embodiment is made of plastic and is roughly trapezoidal. There is a slot 5 that runs through the top and vertically downwards. A vertical flexible pawl 6 is made below the slot 5. The rear plate There are two protrusions 14 at the bottom of the connecting block for clamping and fixing the rear plate connecting block on the pallet, and the top of the rear plate connecting block has a cylindrical positioning nail 15 for connecting with the tail of the side plate.
[0023] See Figure 8 to Figure 11 The back plate insert 7 of this embodiment is formed by punching and bending a steel plate. It has an insertion plane 16 that matches the slot 5 of the back plate connection block, and a through hole is opened on the insertion plane 16 8. The shape of the through hole 8 corresponds to the shape of the flexible pawl on the rear plate connecting block; there is a cover plate 17 on the top of the rear plate insert for the rear plate insert to bear on the rear plate connecting block; There are also two mounting holes 18 on the board insert for connecting the rear board insert with the rear board.
[0024] See Picture 12 , The insertion plane 16 of the rear plate insert is aligned with the slot 5 of the rear plate connection block and inserted into the rear plate connection block from top to bottom.
[0025] See Figure 13 , When the insertion plane 16 of the rear plate inserting piece touches the flexible pawl 6 of the rear plate connecting block, the flexible pawl 6 is deflected to the right.
[0026] See Figure 14 , The insertion plane 16 of the rear plate insert continues to drop until the lower edge of the through hole 8 is lower than the sharp lower edge of the flexible pawl 6, the flexible pawl 6 springs into the through hole 8 to insert the rear plate insert The connecting plane 16 is buckled; when the cover plate 17 of the rear plate insert 7 touches the top 20 of the rear plate connecting block, the rear plate insert cannot be lowered, and all the weight of the rear plate insert and the rear plate of the drawer is taken by the rear plate The connection block bears.
[0027] See Figure 15 , The rear plate connecting block 4 is fixed on the back of the pallet 1 by two bumps, so that the slot 5 on the rear plate connecting block 4 is parallel to the length of the pallet 1, and the positioning nail 15 on the top of the rear plate connecting block 4 Insert into the positioning hole at the tail of the side plate 2 to connect the rear plate connecting block 4 and the side plate 2 into one body; the rear plate 3 of the drawer is a hardware rear plate punched from a steel plate, and a rear plate insert is fixed at each end of the drawer. When the rear plate inserting piece 7 is inserted into the rear plate connecting block 4, the rear plate 3 and the side plate 2 are firmly connected as a whole.
[0028] See Figure 16 , Use a screwdriver 19 to extend into the rear plate connecting block to separate the flexible pawl from the through hole of the rear plate insert, and then pull the rear plate 3 upward. In this embodiment, only one flexible pawl is needed to pull the rear plate insert out of the rear plate connecting block, which is much more convenient than the operation of the prior art product.
[0029] In this embodiment, the rear plate 3 of the drawer is made of steel plate. In other embodiments, the rear plate 3 can also be made of wood. Screws are inserted through the two mounting holes 18 on the rear plate insert 7 to insert the rear plate. The sheet 7 can be fixed on the left and right ends of the wooden back plate 3.
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the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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