Roller with self-locking mechanism

Abstract

The utility model discloses a roller with a self-locking mechanism, and belongs to the technical field of rollers. The rolling wheel comprises a rolling wheel body and a cross rod, the rolling wheel body is provided with a base, a fork foot is arranged at the bottom of the base, a brake part is arranged on the fork foot, a rectangular block is arranged at the bottom of the base, through grooves are formed in the two sides of the rectangular block, L-shaped blocks are arranged in the two through grooves in a sliding fit mode, and the ends of the two L-shaped blocks are connected with C-shaped blocks. The bolts are limited through the C-shaped blocks and the L-shaped blocks, the problem that the bolts are prone to loosening in the roller design is solved, the situation that the bolts are loosened due to vibration, load changes and the like of a moving refrigerator or the refrigerator is avoided, the stability of the rollers in the refrigerator weight bearing process and the daily moving process is guaranteed, and the service life of the rollers is prolonged. Potential safety hazards caused by loosening of the bolts are greatly reduced, the use experience and safety guarantee of a user are improved, and the service life of the idler wheel and the whole refrigerator structure is further prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a roller technology field, concretely is a roller with self locking mechanism. BACKGROUND

[0002] The roller, as a moving part of heavy household appliances such as refrigerator, plays a vital role in daily life. They not only make the movement of household appliances easy and convenient, but also improve the user's experience. The traditional roller design usually fixes the roller base firmly on the bottom of the refrigerator through bolts to ensure its stability and load-bearing capacity.

[0003] The existing roller in the prior art is fixed between the roller and the refrigerator by bolts, which are connected to the roller base and the bottom of the refrigerator. During long-term use, the bolts may loosen due to the movement of the refrigerator, vibration of the refrigerator, load changes, and external environmental erosion, affecting the stability of the roller and making it difficult to effectively prevent the loosening of the bolts. SUMMARY

[0004] The utility model aims at providing a roller with self locking mechanism, which solves the problem of bolt loosening by limiting the bolt with C-shaped block and L-shaped block.

[0005] The utility model is realized by the following technical solutions:

[0006] The utility model discloses a roller with self locking mechanism, which comprises a roller body and a cross bar, the roller body has a base, the bottom of the base is provided with a fork leg, the fork leg is provided with a brake part, the bottom of the base is provided with a rectangular block, two sides of the rectangular block are provided with through grooves, two through grooves are slidably connected with L-shaped blocks, the ends of the two L-shaped blocks are connected with C-shaped blocks, the two ends of the cross bar are connected with the outer surfaces of the two C-shaped blocks, the side wall of the through groove is provided with a spring, and the end of the spring is connected with the outer surface of the L-shaped block.

[0007] Further, the L-shaped block has a penetrating part, a connecting part and a pulling part, the connecting part and the pulling part are located at the two ends of the penetrating part, the penetrating part is slidably connected in the through groove, the end of the connecting part is connected with the outer surface of the C-shaped block, and the pulling part is located at the bottom of the rectangular block.

[0008] Further, the top of the rectangular block is provided with a sliding block, the number of the sliding blocks is two, and the sliding blocks are "convex" blocks.

[0009] Further, a convex groove is formed in the base, the number of the convex grooves is two, and the two sliding blocks are slidably connected in the corresponding convex grooves.

[0010] Further, a wheel is arranged in the fork leg, a through hole is formed in the fork leg, the number of the through holes is four, and the four through holes are connected with bolts.

[0011] Further, the bolt has a screw rod and a nut, the screw rod is arranged on the top of the nut, a limiting groove is arranged in the C-shaped block, and the nut is matched in the limiting groove.

[0012] The utility model has the following beneficial effects:

[0013] The utility model discloses a C-shaped block and L-shaped block are set up to the bolt limiting, solve the problem of bolt loosening in the design of the roller, avoid the bolt loosening due to the vibration of the refrigerator or the refrigerator, the load change etc.

[0014] The utility model discloses a slider and convex groove are set up to the rectangular block installation, make the replacement of the device be more simple, simplify the maintenance process, reduce the maintenance difficulty, improve the maintenance efficiency, and then increase the practicality of the device.

[0015] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structural schematic diagram of the roller;

[0017] Figure 2 It is the structural schematic diagram of the base;

[0018] Figure 3 It is the structural schematic diagram of the rectangular block;

[0019] Figure 4 It is the internal structure schematic diagram of the rectangular block.

[0020] In the drawing: 1, base;101, fork leg;102, wheel;103, brake part;104, through hole;105, bolt;106, convex groove;2, rectangular block;201, through slot;3, slider;4, L-shaped block;401, through part;402, connecting part;403, pulling part;5, spring;6, C-shaped block;601, limiting groove;7, cross bar. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of protection of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides a technical scheme: a roller with self -locking mechanism, including roller body and cross bar 7, roller body has base 1, the bottom of base 1 is provided with prong 101, is provided with wheel 102 in prong 101, is set up in prong 101 and is provided with through -hole 104, the number of through -hole 104 is four, four through -hole 104 are all matched with bolt 105, bolt 105 has screw rod and nut, screw rod sets up at the top of nut, when installing roller body, through bolt 105 installs roller body to the bottom of refrigerator, C-shaped block 6 is set up and is limited groove 601, nut is matched in limiting groove 601, prong 101 is provided with brake part 103, brake part 103, have brake pad etc., for prior art, do not make too much repetition here, for the bottom of base 1 is provided with rectangular block 2, both sides of rectangular block 2 are set up and are provided with through slot 201, two through slots 201 are all slidably matched with L-shaped block 4, L-shaped block 4 has the department 401 of going out, connecting portion 402 and pull part 403, connecting portion 402 and pull part 403 are located the both ends of the department 401 of going out, the department 401 of going out is slidably matched in through slot 201, the end of connecting portion 402 is connected with the outer surface of C-shaped block 6, pull part 403 is located the bottom of rectangular block 2, the end of two L-shaped blocks 4 is connected with C-shaped block 6, the outer surface of two C-shaped blocks 6 is connected with the both ends of cross bar 7, the side wall of through slot 201 is provided with spring 5, the end of spring 5 is connected with the outer surface of L-shaped block 4, when installing base 1, pull two pull parts 403 and drive the department 401 of going out along through slot 201 and slide and move connecting portion 402 to through slot 201, and spring 5 is compressed, after installing roller body to the bottom of refrigerator through bolt 105, at present, release pull part 403 and drive the department 401 of going out through spring 5 and drive connecting portion 402 to go out through slot 201 and drive C-shaped block 6 to move, and through cross bar 7 drive C-shaped block 6 end of cross bar 7 together moves to the nut of bolt 105, at present, the nut is matched into limiting groove 601 and limits bolt 105.

[0023] The top of rectangular block 2 is installed with sliding block 3, the number of sliding block 3 is two, sliding block 3 is " convex " block, is set up in convex slot 106 on base 1, the number of convex slot 106 is two, two sliding blocks 3 are slidably matched in corresponding convex slot 106, after roller body installs to the bottom of refrigerator, at present, move rectangular block 2 so that two sliding blocks 3 slide along convex slot 106, because sliding block 3 is convex block, make sliding block 3 unable to move vertically, then through C-shaped block 6 limits bolt 105, through four C-shaped blocks 6 limit rectangular block 2 horizontally, and then can fix rectangular block 2, when needing to disassemble rectangular block 2, retract C-shaped block 6, at present, move rectangular block 2 to the outside so that sliding block 3 moves out from convex slot 106 can take down rectangular block 2 from the bottom of base 1.

[0024] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A roller with a self-locking mechanism, comprising a roller body having a base (1), characterized in that: The bottom of the base (1) is provided with a fork leg (101), and the fork leg (101) is provided with a brake part (103); The bottom of the base (1) is provided with a rectangular block (2), both sides of the rectangular block (2) are provided with a through groove (201), and two L-shaped blocks (4) are slidably connected in the two through grooves (201); the ends of the two L-shaped blocks (4) are connected with C-shaped blocks (6); Further comprising a cross rod (7), both ends of the cross rod (7) are connected with the outer surfaces of the two C-shaped blocks (6); The side wall of the through groove (201) is provided with a spring (5), and the end of the spring (5) is connected with the outer surface of the L-shaped block (4).

2. A roller with a self-locking mechanism according to claim 1, characterized in that, The L-shaped block (4) has a penetrating part (401), a connecting part (402) and a pulling part (403), the connecting part (402) and the pulling part (403) are located at both ends of the penetrating part (401), the penetrating part (401) is slidably connected in the through groove (201), the end of the connecting part (402) is connected with the outer surface of the C-shaped block (6), and the pulling part (403) is located at the bottom of the rectangular block (2).

3. The roller with self-locking mechanism according to claim 1, characterized in that, The top of the rectangular block (2) is provided with a sliding block (3), the number of the sliding block (3) is two, and the sliding block (3) is a "convex" block.

4. A roller with a self-locking mechanism according to claim 3, characterized in that, The base (1) is provided with a convex groove (106), the number of the convex groove (106) is two, and the two sliding blocks (3) are slidably connected in the corresponding convex grooves (106) respectively.

5. The roller with self-locking mechanism according to claim 1, characterized in that, The fork leg (101) is provided with a wheel (102), the fork leg (101) is provided with a through hole (104), the number of the through hole (104) is four, and the four through holes (104) are matched with bolts (105).

6. A roller with a self-locking mechanism according to claim 5, characterized in that The bolt (105) has a screw rod and a nut, the screw rod is arranged at the top of the nut, the C-shaped block (6) is provided with a limiting groove (601), and the nut is matched in the limiting groove (601).

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