Drawing type refrigerator

Abstract

The utility model discloses a drawing type refrigerator which comprises a refrigerator body, two drawing type drawer bodies are connected in the refrigerator body in a sliding mode, drawing rails are arranged on the two sides of each drawer body respectively, and fixing rails matched with the drawing rails are arranged at the corresponding positions in the refrigerator body. Ball guide rails located above the drawing rails are further arranged on the two sides of the drawer body, a detachable ball assembly is connected into each ball guide rail in a sliding mode, each ball assembly comprises a guide wheel, a guide rod, a locking screw and a guide sleeve, the guide rods are sleeved with the guide sleeves, and the guide sleeves and the guide rods are matched to form rotating shafts; the guide wheel is movably sleeved outside the rotating shaft, more than one steel ball is arranged between the rotating shaft and the guide wheel, the steel balls are annularly arranged outside the rotating shaft, the locking screw penetrates through the rotating shaft and then is in threaded connection with the box body, and the outer wall of the guide wheel is rotationally connected into the ball guide rail. According to the structure, the pulling stability is improved.

Description

Technical Field

[0001] The utility model belongs to the relevant technical field of refrigerators, and particularly relates to a pull-out refrigerator. Background Art

[0002] At present, in order to facilitate the storage and retrieval of food, refrigerators widely adopt the solution of setting multiple drawers to store food. When a user needs to take out items in the drawer, he can do so by holding the front cover of the drawer to push and pull. Therefore, a pull-out rail is provided on both sides of the drawer body, and a fixed rail matching the pull-out rail is provided at a corresponding position inside the refrigerator cabinet, so that the pull-out rail moves along the fixed rail to realize the pull-out operation of the drawer body. For example, patent No. 201821620322.6 discloses a wear-resistant refrigerator drawer guide rail stamping part, but the structure has the following problems:

[0003] However, in the existing drawer refrigerator, if there are many items inside the drawer body during use, the guide rail will easily become unstable when it is pulled outward, and the guide rail is easily deformed, which eventually affects the service life of the guide rail. In addition, the current guide rail structure is complex and inconvenient to install, so it needs to be improved. Utility Model Content

[0004] The utility model aims to provide a pull-out refrigerator, which solves the problems that when there are many items inside the existing drawer body, the guide rail is easily unstable when pulled outward, and the guide rail is easily deformed, which eventually affects the service life of the guide rail. In addition, the current guide rail has a complex structure and is inconvenient to install.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a pull-out refrigerator, comprising a box body, in which two pull-out drawer bodies are slidably connected, a pull-out rail is arranged on both sides of each drawer body, and fixed rails cooperating with the pull-out rails are arranged at corresponding positions in the box body, and ball guide rails located above the pull-out rails are also arranged on both sides of the drawer body, and a detachable ball assembly is slidably connected in each ball guide rail, and the ball assembly comprises a guide wheel, a guide rod, a locking screw and a guide sleeve, the guide sleeve is sleeved outside the guide rod, and the guide sleeve cooperates with the guide rod to form a rotating shaft, the guide wheel is movably sleeved outside the rotating shaft, and more than one steel ball is arranged between the rotating shaft and the guide wheel, the steel ball is annularly arranged outside the rotating shaft, the locking screw passes through the rotating shaft and is threadedly connected to the box body, and the outer wall of the guide wheel is rotatably connected in the ball guide rail.

[0007] Preferably, in order to facilitate the disassembly of the ball assembly, the guide rod includes a stainless steel sleeve and a connecting sleeve, a trapezoidal groove for fixing a locking screw is provided in the connecting sleeve, and the center hole of the trapezoidal groove is connected to the center hole of the stainless steel sleeve, an arc-shaped concave ring 1 is provided on the side of the connecting sleeve, the guide sleeve is connected to the outside of the stainless steel sleeve, and an arc-shaped concave ring 2 is provided on one side of the guide sleeve, the arc-shaped concave ring 2 cooperates with the arc-shaped concave ring 1 for placing a steel column groove 1 for steel balls, and a steel column groove 2 cooperating with the steel column groove 1 is provided on the inner side of the guide wheel.

[0008] Preferably, in order to increase the resistance, a damping sleeve is sleeved on the outside of the guide wheel, and the outer wall of the damping sleeve abuts against the inner wall of the ball guide rail.

[0009] Preferably, the ball guide rail is a U-shaped structure.

[0010] Preferably, in order to improve the connection strength, two groups of reinforcing plate assemblies are arranged inside the box body, each group of reinforcing plate assemblies includes two symmetrical reinforcing plates, and two of the ball assemblies are arranged on each reinforcing plate.

[0011] The utility model has the following beneficial effects: the cooperation of the guide wheel and the ball guide rail is adopted to share the force borne by the existing pull-out rail, further improving the stability of the drawer body when being pulled outward, avoiding the problem of deformation of the lower pull-out rail due to excessive weight of objects inside the drawer body, thereby increasing the service life of the existing guide rail. At the same time, the ball assembly of this structure has a simple structure and is relatively easy to install and disassemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic structural diagram of a pull-out refrigerator in Example 1;

[0013] Figure 2 This is a schematic diagram of the connection between a reinforcement plate and two ball assemblies in Example 1;

[0014] Figure 3 It is a schematic diagram of the structure when the locking screw is separated from other components of the ball assembly in Example 1;

[0015] Figure 4 Schematic diagram of the exploded structure of the rotating shaft in Example 1;

[0016] Figure 5 This is a schematic diagram of the structure when the guide rod, guide sleeve and locking screw are separated in Example 1;

[0017] Figure 6 is a schematic cross-sectional view of the guide rod in Example 1;

[0018] Figure 7 is a schematic cross-sectional view of the guide sleeve in Example 1;

[0019] Figure 8 is a cross-sectional schematic diagram of the guide wheel in Example 2;

[0020] Fig. 9 This is a structural reference diagram of the guide wheel inserted into the ball guide rail in Example 2.

[0021] Reference numerals:

[0022] Box body 1, reinforcement plate 101, drawer body 2, pull-out rail 3, fixed rail 4, ball guide rail 5, ball assembly 6, guide wheel 601, guide rod 602, stainless steel sleeve 6021, connecting sleeve 6022, trapezoidal groove 6023, arc concave ring 1 6024, arc concave ring 2 6025, steel column groove 1 6026, steel column groove 2 6027, locking screw 603, guide sleeve 604, rotating shaft 605, steel ball 606, damping sleeve 7. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1

[0025] See also Figure 1-7 As shown, a pull-out refrigerator disclosed in this embodiment includes a box body 1, in which two pull-out drawer bodies 2 are slidably connected, and a pull-out rail 3 is arranged on both sides of each drawer body 2. Fixed rails 4 cooperating with the pull-out rail 3 are arranged at corresponding positions in the box body 1, and ball guide rails 5 located above the pull-out rail 3 are also arranged on both sides of the drawer body 2. A detachable ball assembly 6 is slidably connected in each ball guide rail 5, and the ball assembly 6 includes a guide wheel 601, a guide rod 602, and a locking screw 60 3 and a guide sleeve 604, the guide sleeve 604 is sleeved on the outside of the guide rod 602, the guide sleeve 604 and the guide rod 602 cooperate to form a rotating shaft 605, the guide wheel 601 is movably sleeved on the outside of the rotating shaft 605, and one or more steel balls 606 are arranged between the rotating shaft 605 and the guide wheel 601, the steel balls 606 are annularly arranged outside the rotating shaft 605, the locking screw 603 passes through the rotating shaft 605 and is connected to the inner thread of the box body 1, and the outer wall of the guide wheel 601 is rotatably connected in the ball guide rail 5.

[0026] Preferably, in order to facilitate the disassembly of the ball assembly, the guide rod 602 includes a stainless steel sleeve 6021 and a connecting sleeve 6022, wherein a trapezoidal groove 6023 for fixing the locking screw 603 is arranged in the connecting sleeve 6022, and the center hole of the trapezoidal groove 6023 is communicated with the center hole of the stainless steel sleeve 6021, and an arc-shaped concave ring 1 6024 is arranged on the side of the connecting sleeve 6022, and the guide sleeve 604 is sleeved on the outside of the stainless steel sleeve 6021, and an arc-shaped concave ring 2 6025 is arranged on one side of the guide sleeve 604, and the arc-shaped concave ring 2 6025 cooperates with the arc-shaped concave ring 1 6024 to form a steel column groove 1 602 for placing the steel ball 606. 6. A steel column groove 2 6027 matching with the steel column groove 1 6026 is provided on the inner side of the guide wheel 601. The above-mentioned structural arrangement can facilitate the disassembly of the ball assembly. By unscrewing the locking screw 603, the guide sleeve 604 can be removed from the stainless steel sleeve 6021, and then the steel balls 606 can be removed in turn. After removing the guide wheel 601, the entire ball assembly can be disassembled. In this embodiment, there are 17 steel balls 606 in total, and the specific number of steel balls 606 can be set according to requirements. It should be noted that the guide wheel 601, the guide rod 602, and the guide sleeve 604 are all made of stainless steel to improve stability during movement.

[0027] Preferably, the ball guide rail 5 is a U-shaped structure.

[0028] Preferably, in order to improve the connection strength, two groups of reinforcing plate assemblies are arranged on the inner side of the box body 1, each group of reinforcing plate assemblies includes two symmetrical reinforcing plates 101, and two of the ball assemblies 6 are arranged on each reinforcing plate 101. By arranging the reinforcing plate 101 in the box body 1, and then passing the locking screw 603 through the connecting sleeve 6022 and the stainless steel sleeve 6021 and then threadedly connected to the inner wall of the box body 1, the connection strength of the ball assembly 6 is improved.

[0029] The present structure is achieved by setting ball guide rails 5 on both sides of the drawer body 2 above the pull-out rails 3, and then setting ball assemblies 6 at corresponding positions of the box body 1, and two of the ball assemblies 6 are slidably connected in each ball guide rail 5, and cooperate with the pull-out rails 3 and the fixed rails 4 below. In addition, the present structure adopts the cooperation of the guide wheels 601 and the ball guide rails 5 to share the force borne by the existing pull-out rails 3, further improving the stability of the drawer body 2 when it is pulled outward, and avoiding the problem of deformation of the lower pull-out rails 3 due to excessive weight of objects inside the drawer body 2, thereby improving the service life of the existing guide rails. At the same time, the ball assembly 6 of this structure is simple in structure and relatively convenient to install and disassemble.

[0030] Example 2

[0031] See also Figure 8 , Fig. 9 As shown, the general structure of a pull-out refrigerator disclosed in this embodiment is the same as that of Embodiment 1, except that, preferably, in order to increase the resistance, a damping sleeve 7 is further sleeved on the outside of the guide wheel 601, and the outer wall of the damping sleeve 7 is abutted against the inner wall of the ball guide rail 5. In this embodiment, a damping sleeve 7 is added outside the guide wheel 601 to increase the resistance between the guide wheel 601 and the ball guide rail 5 to prevent it from sliding randomly.

[0032] The above are only preferred embodiments of the present invention and do not limit the present invention. Any modification to the technical solutions recorded in the aforementioned embodiments and any equivalent replacement of some of the technical features therein, any modification, equivalent replacement, and improvement made are all within the protection scope of the present invention.

Claims

1. A pull-out refrigerator, comprising a box body (1), wherein two pull-out drawer bodies (2) are slidably connected in the box body (1), a pull-out rail (3) is arranged on both sides of each drawer body (2), and a fixed rail (4) cooperating with the pull-out rail (3) is arranged at a corresponding position in the box body (1), characterized in that: Ball guide rails (5) are also provided on both sides of the drawer body (2) and are located above the drawer rails (3). A detachable ball assembly (6) is slidably connected in each ball guide rail (5). The ball assembly (6) includes a guide wheel (601), a guide rod (602), a locking screw (603) and a guide sleeve (604). The guide sleeve (604) is sleeved outside the guide rod (602). The guide sleeve (604) cooperates with the guide rod (602) to A rotating shaft (605) is formed, the guide wheel (601) is movably sleeved outside the rotating shaft (605), and one or more steel balls (606) are arranged between the rotating shaft (605) and the guide wheel (601), the steel balls (606) are arranged in an annular shape outside the rotating shaft (605), the locking screw (603) passes through the rotating shaft (605) and is connected to the internal thread of the box body (1), and the outer wall of the guide wheel (601) is rotatably connected to the ball guide rail (5).

2. A pull-out refrigerator according to claim 1, characterized in that: The guide rod (602) comprises a stainless steel sleeve (6021) and a connecting sleeve (6022), wherein a trapezoidal groove (6023) for fixing a locking screw (603) is arranged in the connecting sleeve (6022), and the center hole of the trapezoidal groove (6023) is communicated with the center hole of the stainless steel sleeve (6021), an arc-shaped concave ring 1 (6024) is arranged on the side of the connecting sleeve (6022), the guide sleeve (604) is sleeved on the outside of the stainless steel sleeve (6021), an arc-shaped concave ring 2 (6025) is arranged on one side of the guide sleeve (604), the arc-shaped concave ring 2 (6025) cooperates with the arc-shaped concave ring 1 (6024) to form a steel column groove 1 (6026) for placing a steel ball (606), and a steel column groove 2 (6027) cooperating with the steel column groove 1 (6026) is arranged on the inner side of the guide wheel (601).

3. A pull-out refrigerator according to claim 1, characterized in that: A damping sleeve (7) is sleeved outside the guide wheel (601), and the outer wall of the damping sleeve (7) abuts against the inner wall of the ball guide rail (5).

4. The pull-out refrigerator according to claim 1, characterized in that: The ball guide rail (5) is a U-shaped structure.

5. The pull-out refrigerator according to claim 1, characterized in that: Two groups of reinforcing plate assemblies are arranged on the inner side of the box body (1), each group of reinforcing plate assemblies comprises two symmetrical reinforcing plates (101), and two of the ball assemblies (6) are arranged on each reinforcing plate (101).

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