Mounting buckle capable of reliably locking shelf

Abstract

The utility model relates to a mounting buckle capable of reliably locking a shelf, which comprises a buckle body, a shelf mounting structure is arranged at the upper end of the buckle body, and the shelf mounting structure comprises a shelf mounting surface, a back plate and a locking rod; the back plate is arranged at the rear end of the shelf mounting surface, the locking rod can move up and down and is rotatably arranged on the button body at the front end of the shelf mounting surface in a penetrating manner, and the upper end of the locking rod is bent and extends to the back plate; a convex limiting part and two convex limiting strips are arranged on the front surface of the back plate, the two convex limiting strips are arranged in parallel and separately, and the upper ends of the two convex limiting strips extend to the convex limiting part to form a locking groove; when the upper end of the locking rod rotates to face the back plate, moves upwards to be clamped into the locking groove and gets close to or reaches the protruding limiting part, the end portion of the upper end of the locking rod abuts against the bottom face of the locking groove, locking is achieved, and the problems that the locking rod rotates by mistake and is unlocked, and a freezer and a goods shelf are prone to loosening in the transportation process are solved. The shelf is stable and reliable in locking performance and convenient to operate.

Description

Technical Field

[0001] The utility model belongs to the technical field of refrigerators and shelves, and particularly relates to a mounting buckle with reliable shelf locking. Background Art

[0002] At present, freezers and shelves on the market all have multiple layers of shelves, which are assembled on the freezers and shelves by means of mounting buckles. However, the applicant has found that the locking performance of the existing mounting buckles on the shelves is poor. During the transportation of the freezers and shelves, the vibrations caused by the bumps on the road cause the shelves to violently hit the locking rods, thus causing the shelves to loosen. In addition, when the locking rod is separated from the locking hole and unlocked, the back plate of the mounting buckle needs to be manually bent backwards, which is troublesome to operate. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the utility model aims to provide a mounting buckle that can reliably lock a shelf.

[0004] In order to solve the above problems, the technical solutions adopted by the utility model are as follows:

[0005] The utility model provides a reliable installation buckle for shelf locking, including a buckle body, the upper end of the buckle body is provided with a shelf mounting structure, and the shelf mounting structure includes a shelf mounting surface, a back plate and a locking rod; wherein the back plate is arranged at the rear end of the shelf mounting surface, and the locking rod can move up and down and rotate to pass through the buckle body at the front end of the shelf mounting surface, and the upper end of the locking rod is bent and extended to the back plate; the front surface of the back plate is provided with a raised limiting portion and two raised limiting strips, the two raised limiting strips are arranged in parallel and separately, and the upper ends extend to the raised limiting portion to form a locking groove; when the upper end of the locking rod is rotated to face the back plate and move upward to be stuck in the locking groove, and approach or reach the raised limiting portion, the upper end of the locking rod is pressed against the bottom surface of the locking groove to achieve locking, and when the upper end of the locking rod moves downward and moves out of the locking groove, unlocking is achieved.

[0006] Furthermore, a bayonet is provided at one end of the raised limiting portion located in the locking groove, and the two raised limiting strips are respectively located on the left and right sides of the bayonet, and the upper ends of the two raised limiting strips are respectively connected to the raised limiting portions close to the left and right sides of the bayonet; when the upper end of the locking rod moves upward to lock, the upper end of the locking rod is stuck in the bayonet.

[0007] Furthermore, the raised limiting portion is provided with a downwardly inclined surface for guiding the bottom frame of the shelf to the shelf installation surface.

[0008] Furthermore, the raised limiting portion is an arc raised block.

[0009] Furthermore, the raised height of the raised limiting portion is greater than 1 mm.

[0010] Furthermore, the protrusion height of the protrusion limiting portion is 1.2 to 1.5 mm.

[0011] Furthermore, the button body is located below the shelf mounting structure and is provided with a cavity and a sliding locking portion, one end of the sliding locking portion is provided with a transversely arranged rotating shaft portion, the sliding locking portion is rotatably installed in the cavity with a rotating shaft passing through the rotating shaft portion, and a torsion spring is installed on the rotating shaft portion, and the two torsion legs of the torsion spring are respectively connected to the top wall of the cavity and the sliding locking portion.

[0012] Furthermore, the torsion spring includes a first torsion spring coil and a second torsion spring coil, a lower torsion foot connected integrally therebetween is provided, and a raised fixed limit block is provided on the outer surface of the sliding locking portion; during assembly, the first torsion spring coil and the second torsion spring coil are respectively sleeved on the rotating shaft portions located on the left and right sides of the sliding locking portion, and the lower torsion foot is connected to the sliding locking portion and assembled on the periphery of the fixed limit block.

[0013] Furthermore, the first torsion spring coil and the second torsion spring coil are both provided with upper torsion pins, and the upper torsion pins of the first torsion spring coil and the second torsion spring coil are separated from each other or connected as one, and abut against the top wall of the cavity.

[0014] Furthermore, the torsion spring includes a first torsion foot and a second torsion foot, the upper end of the first torsion foot is provided with a transverse bending portion, the width of the transverse bending portion is adapted to the width of the top wall of the cavity, and abuts against the top wall of the cavity; the lower end of the second torsion foot is bent transversely and hooked inward to form a hook portion, and the hook portion transversely overlaps and hooks the sliding locking portion.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] The utility model adopts the technical scheme to lock the shelves firmly, avoid the locking rod from rotating or unlocking by mistake, and avoid the shelf from loosening due to the violent impact of the shelf against the locking rod during the transportation of the freezer and the shelf. The locking performance of the shelf is stable and reliable, and the convenience of operation is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the locked state of the installation buckle for reliable shelf locking according to the first embodiment of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the unlocked state of the installation buckle of the shelf reliable locking according to the first embodiment of the utility model;

[0019] Figure 3It is a structural schematic diagram of the locked state of the installation buckle for reliable shelf locking according to the second embodiment of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the locked state of the installation buckle for reliable shelf locking according to the third embodiment of the present utility model;

[0021] Explanation of the reference numerals: 1. button body, 2. shelf mounting surface, 3. back plate, 4. locking rod, 5. raised limiting portion, 6. raised limiting strip, 7. locking groove, 8. bayonet, 9. inclined surface, 10. boss, 11. limited positioning, 12. operating portion, 13. sliding locking portion, 131. fixed limiting block, 14. cavity, 15. rotating shaft portion, 16. torsion spring, 161. first torsion spring coil, 162. second torsion spring coil, 163. lower twist foot, 164. upper twist foot, 165. first twist foot, 166. second twist foot, 167. lateral bending portion. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0023] like Figure 1-4 As shown, the installation buckle with reliable shelf locking described in the embodiment of the utility model is a mounting buckle that is slidably assembled on a bar-shaped slide rail, and the installation buckle includes a buckle body 1, and a cavity 14 and a sliding locking portion 13 are provided on the buckle body 1. The locking portion sliding locking portion 13 is rotatably installed in the cavity 14 through a rotating shaft, and the sliding locking portion 13 is used to be clamped on a locking position such as a through hole, a protrusion, etc. provided on the slide rail. A shelf mounting structure is provided at the upper end of the buckle body 1, and the cavity 14 and the sliding locking portion 13 are located below the shelf mounting structure, and the shelf mounting structure includes a shelf mounting surface 2, a back plate 3, and a locking rod 4.

[0024] The back plate 3 is arranged at the rear end of the shelf mounting surface 2, and a raised stopper 5 and two raised stopper strips 6 are arranged on the front surface of the back plate 3. The two raised stopper strips 6 are arranged in parallel and separately, and the upper ends extend to the raised stopper 5 to form a locking groove 7. Specifically, the raised stopper 5 is an arc raised block, and its raised height is more than 1 mm, preferably 1.2 to 1.5 mm. The raised stopper 5 and the two raised stopper strips 6 are an integrated structure with the back plate 3, for example, the raised stopper 5 and the two raised stopper strips 6 are integrally formed with the back plate 3 by injection molding.

[0025] The locking rod 4 can be moved up and down and rotated and is installed on the button body 1 at the front end of the shelf mounting surface 2. The upper end of the locking rod 4 is bent and extended to the back plate 3, and the lower end of the locking rod 4 is bent and extended outward to form an operating part 12. The locking rod 4 is approximately Z-shaped as a whole.

[0026] When the utility model is used to install the buckle, the locking rod 4 is rotated so that its upper end is rotated to face the back plate 3, and the locking rod 4 is moved upward so that its upper end is stuck in the locking groove 7 until it approaches or reaches the raised limit portion 5. At this time, the upper end of the locking rod 4 is pressed against the bottom surface of the locking groove 7 to achieve locking; conversely, the locking rod 4 is moved downward so that its upper end is moved downward out of the locking groove 7 to achieve unlocking.

[0027] In this way, the mounting buckle described in the utility model can firmly lock the shelf through the shelf mounting structure, and by providing the raised limiting portion 5 and the two raised limiting strips 6, on the one hand, it can avoid the locking rod 4 from rotating accidentally and unlocking, and the freezer and the shelf from vibrating during transportation, causing the shelf to hit the locking rod 4 violently and loosen, so that the locking performance of the shelf is stable and reliable; on the other hand, the raised limiting strips 6 limit and guide the locking rod 4, thereby improving the stability of the locking rod 4 in moving up and down; on the third hand, the locking rod 4 does not need to be manually bent backwards to be unlocked like the existing mounting buckles, so the operation is more convenient and faster, and on the fourth hand, the strength of the back plate 3 can be enhanced, thereby improving the locking performance of the shelf.

[0028] In a preferred solution of the utility model, a bayonet 8 is provided at one end of the protruding limit portion 5 located in the locking groove 7. The bayonet 8 is preferably a circular bayonet with a bayonet entrance slightly smaller than the diameter. The two protruding limit strips 6 are respectively located on the left and right sides of the bayonet 8, and the upper ends of the two protruding limit strips 6 are respectively connected to the protruding limit portion 5 close to the left and right sides of the bayonet 8. When the upper end of the locking rod 4 moves upward to lock, the upper end of the locking rod 4 is stuck in the bayonet 8, and the locking performance is further improved, more stable and more reliable; reverse operation, so that the locking rod 4 moves downward and disengages from the bayonet 8, that is, unlocking is achieved, and the operation is simple, convenient and fast.

[0029] In another preferred embodiment of the present invention, the raised limiting portion 5 is provided with a downwardly inclined surface 9 for guiding the bottom frame of the shelf to the shelf installation surface 2, thereby improving the convenience of the shelf installation.

[0030] In another preferred embodiment of the present invention, a convex seat 10 is provided at the front end of the shelf mounting surface 2, a limited clamping position 11 is formed between the convex seat 10 and the back plate 3, and the locking rod 4 is arranged on the convex seat 10 so as to be movable up and down and rotatable. The convex seat 10 and the back plate 3 further improve the stability of the shelf installation, and the vertical movement and rotation performance of the locking rod 4 arranged on the convex seat 10 are also improved.

[0031] In addition, the operating portion 12 of the present invention is preferably designed to be annular. Figure 1 and 2 The operating part 12 is in a circular shape. The use of the circular operating part 12 is not only convenient for holding and operation, but also can disperse the force of the operating part 12 on the hand during operation, thus avoiding pain and improving the user experience.

[0032] like Figure 3 and 4 As shown, one end of the sliding locking part 13 of the installation buckle described in the second and third embodiments of the utility model is provided with a transversely arranged rotating shaft part 15, and the sliding locking part 13 is rotatably installed in the cavity 14 by passing through the rotating shaft part 15, and a torsion spring 16 is installed on the rotating shaft part 15, and the two torsion legs of the torsion spring 16 are respectively connected to the top wall of the cavity 14 and the sliding locking part 13. Under the action of the torsion spring 16, the sliding locking part 13 is automatically reset and locked. Compared with the existing installation buckle that uses a small compression spring for reset, there is no need to set up a compression spring mounting seat and a support column and other structures in a limited small space, and the difficulty of production, processing and assembly is significantly reduced. The structure is simple, stable and reliable, and easy to install. In addition, the torsion spring has a larger rotation space, and while ensuring stable locking performance, it can be easily unlocked, easy to operate, and has a better feel.

[0033] like Figure 3 The torsion spring 16 of the second embodiment of the utility model comprises a first torsion spring coil 161 and a second torsion spring coil 162, wherein a lower twist foot 163 connected integrally is arranged between the first torsion spring coil 161 and the second torsion spring coil 162, and a protruding fixed stop block 131 is arranged on the outer surface of the sliding locking part 13; during assembly, the first torsion spring coil 161 and the second torsion spring coil 162 are respectively sleeved on the rotating shaft part 15 located on the left and right sides of the sliding locking part 13, and the lower twist foot 163 is connected to the sliding locking part 13 and assembled on the periphery of the fixed stop block 131. In this way, the connection between the torsion spring 16 and the sliding locking part 13 is strengthened, and the balance of the force of the torsion spring 16 on the sliding locking part 13 is improved, thereby improving the stability and smoothness of the rotation of the sliding locking part 13, and the operating feel is also improved.

[0034] Moreover, the first torsion spring coil 161 and the second torsion spring coil 162 of the second embodiment of the present invention are both provided with upper twisting feet 164 , and the upper twisting feet 164 of the first torsion spring coil 161 and the second torsion spring coil 162 are separated from each other (of course, they can also be connected as one) and abut against the top wall of the cavity 14 .

[0035] like Figure 4 The torsion spring 16 of the third embodiment of the utility model includes a first twist foot 165 and a second twist foot 166. The upper end of the first twist foot 165 is provided with a transverse bending portion 167. The width of the transverse bending portion 167 is adapted to the width of the top wall of the cavity 14. The lower end of the second twist foot 166 is transversely bent and hooked inward to form a hook portion 168. During assembly, the torsion spring 16 is sleeved on the shaft portion 15 located on the left or right side of the sliding locking portion 13. The first twist foot 165 and its transverse bending portion 167 abut against the top wall of the cavity 14, and the hook portion 168 transversely overlaps and hooks the sliding locking portion 13. This embodiment can also enhance the connection between the torsion spring 16 and the sliding locking portion 13, and the force of the torsion spring 16 can also act on the sliding locking portion 13 in a balanced manner, so that the rotation stability and smoothness of the sliding locking portion 13 are improved, and the operating feel is good.

[0036] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A mounting buckle for reliable shelf locking, characterized in that: The invention comprises a button body (1), wherein the upper end of the button body (1) is provided with a shelf mounting structure, wherein the shelf mounting structure comprises a shelf mounting surface (2), a back plate (3) and a locking rod (4); wherein the back plate (3) is arranged at the rear end of the shelf mounting surface (2), and the locking rod (4) is arranged on the button body (1) at the front end of the shelf mounting surface (2) so as to be movable and rotatable up and down, and the upper end of the locking rod (4) is bent and extends to the back plate (3); the front surface of the back plate (3) is provided with a raised limiting portion (5) and two The two raised limit strips (6) are arranged in parallel and separately, and the upper ends extend to the raised limit portion (5) to form a locking groove (7); when the upper end of the locking rod (4) rotates toward the back plate (3) and moves upward to be inserted into the locking groove (7), and approaches or reaches the raised limit portion (5), the upper end of the locking rod (4) abuts against the bottom surface of the locking groove (7) to achieve locking; when the upper end of the locking rod (4) moves downward and moves out of the locking groove (7), unlocking is achieved.

2. The mounting buckle for reliable shelf locking according to claim 1 is characterized in that: One end of the raised limiting portion (5) located in the locking groove (7) is provided with a bayonet (8), and the two raised limiting strips (6) are respectively located on the left and right sides of the bayonet (8), and the upper ends of the two raised limiting strips (6) are respectively connected to the raised limiting portions (5) close to the left and right sides of the bayonet (8); when the upper end of the locking rod (4) moves upward to lock, the upper end of the locking rod (4) is stuck in the bayonet (8).

3. The reliable mounting buckle for locking the shelf according to claim 1 or 2, characterized in that: The raised limiting portion (5) is provided with a downwardly inclined surface (9) for guiding the bottom frame of the shelf to the shelf installation surface (2).

4. The reliable mounting buckle for locking the shelf according to claim 1 or 2, characterized in that: The raised limiting portion (5) is a circular arc raised block.

5. The mounting buckle for reliable shelf locking according to claim 1 or 2, characterized in that: The protruding height of the protruding limiting portion (5) is greater than 1 mm.

6. The mounting buckle for reliable shelf locking according to claim 5 is characterized in that: The protruding height of the protruding limiting portion (5) is 1.2-1.5 mm.

7. The reliable mounting buckle for locking the shelf according to claim 1, 2 or 6, characterized in that: The button body (1) is located below the shelf mounting structure and is provided with a cavity (14) and a sliding locking portion (13); one end of the sliding locking portion (13) is provided with a transversely arranged rotating shaft portion (15); the sliding locking portion (13) is rotatably mounted in the cavity (14) via a rotating shaft passing through the rotating shaft portion (15); and a torsion spring (16) is mounted on the rotating shaft portion (15); two torsion legs of the torsion spring (16) are respectively connected to the top wall of the cavity (14) and the sliding locking portion (13).

8. The mounting buckle for reliable shelf locking according to claim 7 is characterized in that: The torsion spring (16) comprises a first torsion spring coil (161) and a second torsion spring coil (162); a lower torsion foot (163) connected integrally therebetween is provided; and a protruding fixed limit block (131) is provided on the outer surface of the sliding locking portion (13); during assembly, the first torsion spring coil (161) and the second torsion spring coil (162) are respectively sleeved on the rotating shaft portion (15) located on the left and right sides of the sliding locking portion (13), and the lower torsion foot (163) is connected to the sliding locking portion (13) and assembled on the periphery of the fixed limit block (131).

9. The mounting buckle for reliable shelf locking according to claim 8 is characterized in that: The first torsion spring coil (161) and the second torsion spring coil (162) are both provided with an upper torsion foot (164); the upper torsion feet (164) of the first torsion spring coil (161) and the second torsion spring coil (162) are separated from each other or connected as one, and abut against the top wall of the cavity (14).

10. The mounting buckle for reliable shelf locking according to claim 7, characterized in that: The torsion spring (16) comprises a first torsion foot (165) and a second torsion foot (166); the upper end of the first torsion foot (165) is provided with a transverse bending portion (167); the width of the transverse bending portion (167) is adapted to the width of the top wall of the cavity (14) and abuts against the top wall of the cavity (14); the lower end of the second torsion foot (166) is transversely bent and hooked inward to form a hook portion (168); the hook portion (168) transversely overlaps and hooks the sliding locking portion (13).

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