Quick-release type light and thin back splint

Abstract

The utility model provides a quick-release type light and thin back splint. The quick-release type light and thin back splint comprises a U-shaped connecting piece, a pressing piece, a splint and a coating shell, the U-shaped connecting piece comprises a left panel, a right panel and an arc-shaped connecting plate which are integrally arranged; the pressing piece is integrally provided with a first L-shaped extension block and a second L-shaped extension block; the clamping plate is clamped between the right panel and the pressing piece; the first L-shaped extending block, the pressing piece and the second L-shaped extending block define a first assembling cavity allowing the right panel to be inserted from bottom to top. And a second assembly cavity allowing the left panel to be inserted from top to bottom is formed in the coating shell. Through the modular clamping design of the U-shaped connecting piece, the pressing piece and the clamping plate and the inserting structure of the first assembling cavity and the second assembling cavity, the back splint is rapidly disassembled and assembled, and the assembling steps are simplified; meanwhile, all the parts are integrally formed, the number of the parts is small, the overall thickness of the back splint is remarkably reduced, and the requirements for lightness, thinness and attractiveness are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to clamp technical field, concretely relates to a quick detachable light and thin back clamp. BACKGROUND

[0002] The back clamp is an auxiliary tool for hanging and matching electronic products, and the electronic products are fixed on pockets and belts through the back clamp. The electronic products usually include mobile phones, interphones and batteries. The prior art CN221961834U discloses an interphone back clamp, which comprises a back clamp, a clamping mechanism, a clamping mechanism and a clamping piece. The main defects are that the overall structure has many accessories, which leads to inconvenient assembly and low efficiency, and the overall thickness is too thick, which is not beautiful and low-grade.

[0003] In view of this, the present case conducts in-depth research on the above-mentioned problems, and thus the present case is produced. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problems of low assembly efficiency and thick back clamp in the prior art, and provides a quick detachable light and thin back clamp. The modular clamping design of the U-shaped connecting piece, the pressing piece and the clamping plate, and the plug-in structure of the first assembly cavity and the second assembly cavity realize the quick disassembly and assembly of the back clamp and simplify the assembly steps. Meanwhile, the components are designed in an integrated manner, the number of parts is small, the overall thickness of the back clamp is significantly reduced, and the light and thin demand and the aesthetic demand are met.

[0005] The utility model is implemented as follows: a quick detachable light and thin back clamp comprises a U-shaped connecting piece, a pressing piece, a clamping plate and a cladding shell. The U-shaped connecting piece comprises integrally arranged left and right face plates and an arc-shaped connecting plate. One end of the arc-shaped connecting plate is connected to the bottom of the left face plate, and the other end is connected to the bottom of the right face plate. The pressing piece integrally has first and second L-shaped extension blocks. The clamping plate is provided with through holes for the first and second L-shaped extension blocks to pass through for clamping. The clamping plate is clamped between the right face plate and the pressing piece. The first L-shaped extension block, the pressing piece and the second L-shaped extension block form a first assembly cavity for the right face plate to be inserted from bottom to top. The cladding shell forms a second assembly cavity for the left face plate to be inserted from top to bottom.

[0006] Further, first and second limiting steps are formed between the right face plate and the arc-shaped connecting plate. The first limiting step abuts against the bottom of the first L-shaped extension block, and the second limiting step abuts against the bottom of the second L-shaped extension block. The first assembly cavity is provided with a first clamping block at the top to limit the downward sliding of the right face plate. The first clamping block is integrally arranged with the pressing piece. The right face plate is provided with a first clamping groove for cooperation with the first clamping block.

[0007] Further, the first clamping block comprises a top surface and a first guide inclined surface, the interval between the first guide inclined surface and the pressing piece gradually decreases with the decrease of height; and the width of the top surface is greater than the width of the clamping plate.

[0008] Further, the first clamping block is provided below with a top abutting strip which is integrally arranged with the pressing piece.

[0009] Further, the pressing piece is provided on the upper part of the side surface away from the U-shaped connecting piece with an anti-skid boss.

[0010] Further, the clamping plate is provided at the lower part with a second clamping groove, and the second clamping groove is provided with an abutting piece.

[0011] Further, the abutting piece comprises an integrally arranged abutting portion and a limiting portion; the limiting portion and the abutting portion form a third abutting step which abuts the limiting portion on the surface of the clamping plate; the abutting portion is hollowly arranged to form a space for the deformation of the upper guide clamping block and the lower guide clamping block, the upper guide clamping block is provided with an upper guide inclined surface and an upper limiting protrusion, and the lower guide clamping block is provided with a lower guide inclined surface and a lower limiting protrusion.

[0012] Further, the left panel is provided at both sides with a first sliding sheet and a second sliding sheet, the second assembly cavity comprises a first sliding groove and a second sliding groove, and the cladding shell is provided with a first sliding rail matched with the first sliding sheet and a second sliding rail matched with the second sliding sheet.

[0013] Further, the left panel is provided with a third clamping groove, and the cladding shell is provided with a second clamping block matched with the third clamping groove, and the second clamping block comprises a second guide inclined surface which is inclined outward from top to bottom.

[0014] Further, the U-shaped connecting piece is a metal U-shaped connecting piece, the pressing piece is a plastic pressing piece, and the abutting piece is a plastic abutting piece.

[0015] The quick-release light and thin back clamp has the advantages that the quick-release light and thin back clamp is designed in a modular clamping mode of the U-shaped connecting piece, the pressing piece and the clamping plate, and the plug-in structure of the first assembly cavity and the second assembly cavity, so that the quick-release light and thin back clamp is quickly disassembled and assembled, the assembly steps are simplified, the components are integrally formed, the number of parts is small, the overall thickness of the back clamp is significantly reduced, and the light and thin demand and the aesthetic demand are met. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further described in connection with the embodiments and with reference to the drawings.

[0017] Figure 1 is the structure schematic diagram of the quick-release light and thin back clamp in the utility model.

[0018] Figure 2Is the exploded view of the quick-release light and thin back clamp.

[0019] Figure 3 Is the structure schematic view of the U-shaped connecting piece.

[0020] Figure 4 Is the structure schematic view of the pressing piece.

[0021] Figure 5 Is the connection structure schematic view of the U-shaped connecting piece, the clamping plate and the U-shaped connecting piece.

[0022] Figure 6 Is the structure schematic view of the abutting piece.

[0023] Figure 7 Is the sectional view of the abutting piece.

[0024] Figure 8 Is the structure schematic view of the cladding shell.

[0025] Reference signs: U-shaped connecting piece 1, left panel 11, right panel 12, arc-shaped connecting plate 13, first limiting step 14, second limiting step 15, first clamping groove 16, first sliding piece 17, second sliding piece 18, third clamping groove 19, pressing piece 2, first L-shaped extension block 21, second L-shaped extension block 22, first assembly cavity 23, first clamping block 24, top surface 241, bottom surface 242, first guide inclined surface 243, abutting strip 25, anti-skid boss 26, clamping plate 3, through hole 31, second clamping groove 32, cladding shell 4, second assembly cavity 41, second sliding groove 412, first sliding rail 42, second sliding rail 43, second clamping block 44, second guide inclined surface 441, abutting piece 5, abutting portion 51, upper guide clamping block 511, upper guide inclined surface 5111, upper limiting protrusion 5112, lower guide clamping block 512, lower guide inclined surface 5121, lower limiting protrusion 5122, accommodating cavity 513, limiting portion 52, third abutting step 53.

DETAILED DESCRIPTION

[0026] In order to better understand the technical scheme of the utility model, the technical scheme of the utility model will be explained in detail in the following in combination with the drawings of the specification and specific implementation manners.

[0027] It is to be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing these embodiments and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation. In addition, the terms "first", "second" and the like are only for description purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second" and the like can explicitly or implicitly include one or more of the features.

[0028] Please refer to Figures 1-8 The utility model provides a quick release light and thin back clamp, including U type connecting piece 1, pressing piece 2, clamping plate 3 and cladding shell 4. U type connecting piece 1 includes integrally arranged left panel 11, right panel 12 and arc-shaped connecting plate 13, and arc-shaped connecting plate 13 one end connects left panel 11 bottom, the other end connects right panel 12 bottom, and the deformation space is formed between left panel 11 and right panel 12, so that when pressing pressing piece 2, right panel 12 is close to left panel 11. The side of pressing piece 2 towards U type connecting piece 1 is integrally provided with first L type extension block 21 and second L type extension block 22, and the clamping plate 3 is provided with through hole 31 for the first L type extension block 21 and the second L type extension block 22 to pass through to be clamped, and the clamping plate 3 is clamped between right panel 12 and pressing piece 2. The first L type extension block 21, pressing piece 2, second L type extension block 22 surround and form the first assembly cavity 23 for right panel 12 to be inserted from bottom to top, and the top of the side of cladding shell 4 towards U type connecting piece 1 forms the second assembly cavity 41 for left panel 11 to be inserted from top to bottom.

[0029] The quick release light and thin back clamp of the utility model, through the modularization clamping design of U type connecting piece 1, pressing piece 2 and clamping plate 3 and the plug-in structure of first assembly cavity 23 and second assembly cavity 41, realize the quick disassembly of back clamp, simplify the assembly step, and the whole part quantity is less, and U type connecting piece 1 significantly reduces the overall thickness of back clamp, meets the light and thin demand and the aesthetic demand.

[0030] In the utility model, as shown in the accompanying Figures 3-4As shown, the right panel 12 and the arc-shaped connecting plate 13 form a first limiting step 14 and a second limiting step 15; the first limiting step 14 abuts against the bottom of the first L-shaped extension block 21, and the second limiting step 15 abuts against the bottom of the second L-shaped extension block 22; the top of the first assembly cavity 23 is provided with a first clamping block 24 for limiting the downward sliding of the right panel 12, the first clamping block 24 is integrally arranged with the pressing piece 2, and the right panel 12 is provided with a first clamping groove 16 for cooperating with the first clamping block 24. The cooperation of the first limiting step 14, the second limiting step 15 and the first clamping block 24 enables the right panel 12 to have a double positioning function after being inserted into the first assembly cavity 23, thereby avoiding installation deviation; the cooperation of the first clamping block 24 and the first clamping groove 16 forms a mechanical locking structure, which prevents the components from being accidentally separated during use and improves the structural reliability.

[0031] In the utility model, the first clamping block 24 includes a top surface 241, a bottom surface 242 and a first guide inclined surface 243, the distance between the first guide inclined surface 243 and the pressing piece 2 gradually decreases with the decrease of height, and the width of the top surface 241 is greater than the width of the clamping plate 3. The design of the first guide inclined surface 243 enables the right panel 12 to be automatically guided to deform when being inserted into the first assembly cavity 23, thereby realizing tool-free installation; the design that the width of the top surface 241 is greater than the width of the clamping plate 3 enables the first clamping block 24 to protrude from the clamping plate 3 after the clamping plate 3 is installed, thereby expanding the contact area of the first clamping block 24 and the first clamping groove 16 and facilitating the cooperation of the first clamping block 24 and the right panel 12 for limiting.

[0032] In the utility model, the bottom of the first clamping block 24 is provided with an abutting strip 25 which is integrally arranged with the pressing piece 2. The abutting strip 25 forms a supporting structure below the first clamping block 24 and tightly abuts against the right panel 12, thereby making the assembly of the right panel 12 more firm and avoiding loosening. Preferably, the length direction of the abutting strip 25 is the longitudinal direction extending to the lower part of the right panel 12.

[0033] In the utility model, the upper part of the side of the pressing piece 2 away from the U-shaped connecting piece 1 is provided with an anti-skid boss 26. The anti-skid boss 26 and the pressing piece 2 are transitioned by an arc surface to form a wave-shaped surface, thereby improving the pressing feeling and comfort.

[0034] In the utility model, as shown in the accompanying drawings, Figure 5 As shown, the lower part of the clamping plate 3 is provided with a second clamping groove 32, and the second clamping groove 32 is assembled with an abutting piece 5. The abutting piece 5 is used for abutting against the covering shell 4 to form a containing space for a waistband or clothes fabric between the clamping plate 3 and the covering shell 4.

[0035] In the utility model, as shown in the accompanying drawings, Figures 6-7As shown, the abutting part 5 comprises an abutting part 51 and a limiting part 52 which are integrally arranged, the abutting part 51 is inserted into the second clamping groove 32 for abutting the cladding shell 4, the area of the limiting part 52 is larger than that of the second clamping groove 32, a third abutting step 53 is formed between the abutting part 51 and the limiting part 52 for abutting the limiting part 52 to the surface of the clamping plate 3, so that the limiting part 52 cannot be clamped on the surface of the clamping plate 3 through the second clamping groove 32. The abutting part 51 comprises an upper guide clamping block 511 and a lower guide clamping block 512, the abutting part 51 is hollowly arranged to form a space for the deformation of the upper guide clamping block 511 and the lower guide clamping block 512, the upper guide clamping block 511 is formed with an upper guide inclined surface 5111 and an upper limiting protrusion 5112, and the lower guide clamping block 512 is formed with a lower guide inclined surface 5121 and a lower limiting protrusion 5122. The upper guide clamping block 511 and the third abutting step 53 form a clamping space of the clamping plate 3, and the lower guide clamping block 512 and the third abutting step 53 form a clamping space of the clamping plate 3. The abutting part 5 is more easily inserted into the second clamping groove 32 through the deformable ability of the upper guide clamping block 511 and the lower guide clamping block 512 and the design of the upper and lower guide inclined surfaces; meanwhile, the upper limiting protrusion 5112, the lower limiting protrusion 5122 and the third abutting step 53 form upper and lower and left and right multi-directional limiting, so as to prevent the abutting part 5 from slipping out of the second clamping groove 32 and realize the effect of stable clamping of the abutting part 5.

[0036] In the utility model, as shown in the accompanying drawings, Figure 3 And 8 As shown, the left panel 11 is formed with a first sliding sheet 17 and a second sliding sheet 18 which are extended on both sides of the left panel 11, the second assembly cavity 41 comprises a first sliding groove and a second sliding groove 412, and the cladding shell 4 is formed with a first sliding rail 42 matched with the first sliding sheet 17 and a second sliding rail 43 matched with the second sliding sheet 18. The embedded guide structure of the sliding sheet and the sliding rail enables the left panel 11 and the cladding shell 4 to be automatically inserted without accurate alignment during the assembly process, thereby reducing the assembly difficulty; meanwhile, the full-length contact design of the sliding rail improves the anti-torsion ability of the connecting part.

[0037] In the utility model, the left panel 11 is formed with a third clamping groove 19, the cladding shell 4 is formed with a second clamping block 44 matched with the third clamping groove 19, and the second clamping block 44 comprises a second guide inclined surface 441 which is inclined outward from top to bottom.

[0038] In the utility model, the U-shaped connecting piece 1 is a metal U-shaped connecting piece 1, the clamping plate 3 is a metal clamping plate 3, the pressing part 2 is a plastic pressing part 2, and the abutting part 5 is a plastic abutting part 5. The combination design of metal and plastic not only reduces the production cost, but also has the effect of lightness and thinness, so that the back clamp has higher grade. The metal U-shaped connecting piece 1 has high strength, so that the back clamp will not be deformed after being pressed for many times, and the service life of the back clamp is high.

[0039] Assembly principle: when assembly is needed, the clamp plate 3 is first assembled on the pressing piece 2, the clamp plate 3 is fixed by the through hole 31 and the L-shaped extension block of the pressing piece 2; then the right panel 12 of the U-shaped connecting piece 1 is inserted into the first assembly cavity 23 of the pressing piece 2 from bottom to top, and the first clamping block 24 and the first clamping groove 16 are engaged to complete the locking; the left panel 11 is inserted into the second assembly cavity 41 through the sliding piece along the sliding rail of the covering shell 4. When disassembly is needed, the first clamping block 24 is pressed to make the right panel 12 disengage from the top surface 241 of the first clamping block 24, and the U-shaped connecting piece 1 can be pulled out downward; the second clamping block 44 is pressed to make the left panel 11 disengage from the second clamping block 44, and the U-shaped connecting piece 1 can be pulled out upward.

[0040] The above embodiments and drawings are not limited to the product form and style of the utility model, and any appropriate changes or modifications made by any ordinary skilled person in the art shall be considered as not departing from the patent category of the utility model.

Claims

1. A quick release light and thin back brace, characterized in that: It includes a U-shaped connecting piece, a pressing piece, a clamping plate and a covering shell; the U-shaped connecting piece includes integrally arranged left and right face plates and an arc-shaped connecting plate, one end of the arc-shaped connecting plate is connected to the bottom of the left face plate, and the other end is connected to the bottom of the right face plate; the pressing piece is integrally provided with first and second L-shaped extension blocks; the clamping plate is provided with through holes for the first and second L-shaped extension blocks to pass through for clamping; the clamping plate is clamped between the right face plate and the pressing piece; The first L-shaped extension block, the pressing piece and the second L-shaped extension block surround to form a first assembly cavity for the right face plate to be inserted from bottom to top; the covering shell forms a second assembly cavity for the left face plate to be inserted from top to bottom.

2. The quick release light and thin back brace of claim 1, wherein: The right face plate and the arc-shaped connecting plate form first and second limiting steps; the first limiting step abuts against the bottom of the first L-shaped extension block, and the second limiting step abuts against the bottom of the second L-shaped extension block; the top of the first assembly cavity is provided with a first clamping block for limiting the downward sliding of the right face plate, the first clamping block is integrally arranged with the pressing piece, and the right face plate is provided with a first clamping groove for cooperating with the first clamping block.

3. The quick release light and thin back brace of claim 2, wherein: The first clamping block includes a top surface and a first guide inclined surface, and the distance between the first guide inclined surface and the pressing piece gradually decreases with the decrease of the height; the width of the top surface is greater than the width of the clamping plate.

4. The quick release light and thin back brace of claim 3, wherein: A abutting strip integrally arranged with the pressing piece is arranged below the first clamping block.

5. The quick release light and thin back brace of claim 4, wherein: An anti-skid boss is arranged on the upper part of the side of the pressing piece away from the U-shaped connecting piece.

6. The quick release light and thin back brace of claim 1, wherein: A second clamping groove is arranged on the lower part of the clamping plate, and an abutting piece is assembled on the second clamping groove.

7. The quick release light and thin back brace of claim 6, wherein: The abutting piece includes integrally arranged abutting and limiting parts; the limiting part and the abutting part form a third abutting step for abutting the limiting part against the surface of the clamping plate; the abutting part is hollowly arranged to form a space for the deformation of the upper and lower guide clamping blocks, the upper guide clamping block forms an upper guide inclined surface and an upper limiting protrusion, and the lower guide clamping block forms a lower guide inclined surface and a lower limiting protrusion.

8. The quick release light and thin back brace according to any one of claims 1-7, wherein: First and second sliding grooves are formed on the left face plate, and first and second sliding rails are formed on the covering shell.

9. The quick release light and thin back brace of claim 8, wherein: The left face plate is provided with a third clamping groove, and a second clamping block matched with the third clamping groove is arranged on the covering shell, and the second clamping block includes a second guide inclined surface inclined outward from top to bottom.

10. The quick release light and thin back brace of claim 7, wherein: The U-shaped connecting piece is a metal U-shaped connecting piece; the pressing piece is a plastic pressing piece; and the abutting piece is a plastic abutting piece.

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