Guide rail structure for cleaning machine and cleaning machine

Abstract

The utility model discloses a guide rail structure for a cleaning machine, which comprises an inner guide rail (31) extending along the front-back direction; the outer guide rail (32) extends in the front-back direction and can be arranged on the periphery of the inner guide rail (31) in a front-back sliding and sleeving mode. The device is characterized in that the bottom wall of the outer guide rail (32) is provided with a plurality of water falling holes (323) which are arranged at intervals along the length direction of the outer guide rail (32), and the top wall of the outer guide rail (32) is provided with a plurality of air inlet holes (324) which are arranged at intervals along the length direction of the outer guide rail (32). The utility model further discloses a cleaning machine with the guide rail structure. Compared with the prior art, the guide rail structure for the cleaning machine can prevent water accumulation from affecting push and pull of the pull basket.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen equipment, in particular to a guide rail structure for a cleaning machine and the cleaning machine. Background Art

[0002] With the development of society and the advancement of science and technology, people's requirements for life are getting higher and higher. More and more families are starting to install and use dishwashers. Dishwashers not only bring convenience to people, but also save people's time.

[0003] Many dishwashers currently feature a double-layer structure, with the upper pull-out basket positioned within the wash chamber in a push-and-pull configuration. Two sets of left and right rail assemblies, consisting of inner and outer rails, are positioned within the corresponding positions of the dishwasher. The basket slides along the rails as it is pushed and pulled. For details, see Chinese patent application number CN201821643957.8, "Guide Rail Assembly and Dishwasher."

[0004] However, in the above solution, the guide rail is arranged in the washing cavity and contacts with the washing water, so that water and food residues are easily accumulated in the guide rail, thereby affecting the pushing and pulling of the pull-out basket. Utility Model Content

[0005] The first technical problem to be solved by the present invention is to provide a guide rail structure for a washing machine that can prevent water accumulation from affecting the pushing and pulling of a pull-out basket, in response to the current status of the existing technology.

[0006] The second technical problem to be solved by the present invention is to provide a cleaning machine using the above-mentioned guide rail structure.

[0007] The technical solution adopted by the present invention to solve the above-mentioned first technical problem is: a guide rail structure for a cleaning machine, comprising

[0008] an inner guide rail extending in a front-to-rear direction; and

[0009] The outer guide rail extends in the front-to-back direction and is slidably mounted on the outer periphery of the inner guide rail;

[0010] The feature is that a plurality of water drop holes are provided on the bottom wall of the outer guide rail and are spaced apart along the length direction thereof, and a plurality of air inlet holes are provided on the top wall of the outer guide rail and are spaced apart along the length direction thereof.

[0011] In order to make the sliding between the outer guide rail and the inner guide rail smoother, it also includes

[0012] a plurality of first balls arranged in the outer guide rail at intervals along the front-to-back direction, each first ball being rotatably confined between the bottom wall of the inner guide rail and the bottom wall inside the outer guide rail; and

[0013] A plurality of second balls are arranged in the outer guide rail at intervals along the front-to-back direction, and each second ball is rotatably confined between the top wall of the inner guide rail and the top wall inside the outer guide rail.

[0014] In order to facilitate the uniform distribution and installation of the balls, it also includes

[0015] a first retaining frame, arranged in the front-to-back direction between the bottom wall of the inner guide rail and the bottom wall inside the outer guide rail, and having a plurality of first limiting holes spaced apart along its length and corresponding to the first balls, each first ball being rollably mounted in a corresponding first limiting hole; and

[0016] The second retaining frame is arranged between the top wall of the inner guide rail and the top wall inside the outer guide rail in the front-to-back direction, and is provided with a plurality of second limiting holes arranged at intervals along its length direction and corresponding to the second balls. Each second ball can be rolled and installed in the corresponding second limiting hole.

[0017] In order to further limit the position of each ball, the bottom wall of the inner guide rail has a first strip groove extending along the length direction thereof, and the top wall of the inner guide rail has a second strip groove extending along the length direction thereof;

[0018] The bottom wall of the outer guide rail has a third strip groove extending along the length thereof and corresponding to the first strip groove, and the top wall of the outer guide rail has a fourth strip groove extending along the length thereof and corresponding to the second strip groove;

[0019] The top and bottom of each first rolling ball are exposed from the corresponding first limiting hole and are respectively accommodated in the first strip groove and the third strip groove;

[0020] The bottom and top of each second rolling ball are exposed from the corresponding second limiting hole and are respectively accommodated in the second strip groove and the fourth strip groove.

[0021] In order to avoid water accumulation and facilitate the entry of hot air, the water drop hole is opened on the bottom wall inside the third strip groove, and the air inlet hole is opened on the top wall inside the fourth strip groove.

[0022] In order to facilitate the cleaning water sprayed onto the inner guide rail to quickly reach the drain hole, the inner guide rail is a hollow structure composed of multiple frame bars.

[0023] In order to prevent cleaning water from remaining on the inner guide rail, at least a portion of the surface of the frame strip has a water-guiding slope that gradually approaches the side wall of the outer guide rail from top to bottom.

[0024] In order to further prevent cleaning water from remaining on the inner guide rail, at least a portion of the frame strips are provided with connecting holes extending through the frame strips in the vertical direction.

[0025] In order to facilitate the small food residues to fall through the water drop holes and facilitate the hot air to enter the outer guide rail in large quantities, each of the water drop holes and air inlet holes is a waist-shaped hole extending along the length direction of the outer guide rail.

[0026] In order to ensure that the entire guide rail structure has a sufficiently long sliding stroke, it also includes

[0027] at least one first roller, arranged below the outer guide rail and guidingly engaged with the bottom wall of the outer guide rail; and

[0028] At least two second rollers are arranged above the outer guide rail at intervals along the front-to-back direction and are guided and matched with the top wall of the outer guide rail.

[0029] The technical solution adopted by the present invention to solve the above-mentioned second technical problem is: a cleaning machine, characterized in that: it includes a box body, a pull-out basket and the above-mentioned guide rail structure, the number of the guide rail structures is two groups, and they are symmetrically arranged on the left and right sides of the pull-out basket, the inner guide rails of each guide rail structure are installed on the side wall inside the box body, and the first roller and the second roller of each guide rail structure are rotatably connected to the side of the pull-out basket.

[0030] Compared with the existing technology, the advantages of the present invention are: by opening a plurality of drain holes arranged at intervals along the length direction on the bottom wall of the outer guide rail, and opening a plurality of air inlet holes arranged at intervals along the length direction on the top wall of the outer guide rail, during the cleaning process of the washing machine, water and food residues accumulated in the outer guide rail are discharged through the drain holes, and during the drying process of the washing machine, hot air will enter the interior of the outer guide rail through the drain holes and the air inlet holes to dry the guide rail structure, thereby preventing water residue from affecting the pushing and pulling of the pull-out basket. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a schematic diagram of the three-dimensional structure of an embodiment of the cleaning machine of the present utility model;

[0032] Figure 2 for Figure 1 A longitudinal cross-sectional view of

[0033] Figure 3 for Figure 2 Enlarged view of part I;

[0034] Figure 4 for Figure 1 The schematic diagram of the three-dimensional structure behind the box is omitted;

[0035] Figure 5 for Figure 4 3D exploded diagram of the middle guide rail structure;

[0036] Figure 6 for Figure 4 Partial longitudinal cross-sectional view of the middle guide rail structure. DETAILED DESCRIPTION

[0037] The present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0038] In the specification and claims of the present invention, directional terms such as "front," "back," "up," "down," "left," "right," "side," "top," and "bottom" are used to describe various exemplary structural parts and components of the present invention. However, these terms are used herein for convenience of description only and are based on the exemplary orientations shown in the accompanying drawings. Since the embodiments disclosed in the present invention can be arranged in different orientations, these directional terms are intended for illustrative purposes only and should not be construed as limiting. For example, "up" and "down" are not necessarily limited to directions opposite to or consistent with the direction of gravity.

[0039] like Figures 1 to 6 FIG. 1 is a preferred embodiment of the cleaning machine of the present invention. The cleaning machine comprises a box body 1 , a pull-out basket 2 and a guide rail structure 3 .

[0040] Among them, the front side of the box body 1 has an opening, and the box body 1 is provided with a spraying component for spraying the inner cavity of the box body 1 and a drying component for drying the inner cavity of the box body 1. This is a conventional structure of the cleaning machine and will not be repeated here.

[0041] The pull-out basket 2 can be pushed and pulled forward and backward through the opening on the front side of the box body 1 to enter and exit the inner cavity of the box body 1.

[0042] There are two sets of guide rail structures 3, which are symmetrically arranged on the left and right sides of the pull-out basket 2. Each guide rail structure 3 is connected between the box body 1 and the pull-out basket 2, and includes an inner guide rail 31, an outer guide rail 32, a first retaining frame 33, a first ball bearing 34, a second retaining frame 35, a second ball bearing 36, a first roller 37, and a second roller 38.

[0043] Specifically, the inner guide rail 31 is a hollow structure composed of multiple frame bars 310, arranged along the side wall of the box body 1 in the front-to-back direction. The bottom wall of the inner guide rail 31 has a first strip groove 311 extending along its length; the top wall of the inner guide rail 31 has a second strip groove 312 extending along its length. The surface of some frame bars 310 has a water-guiding slope 313 that gradually approaches the side wall of the outer guide rail 32 from top to bottom; and some frame bars 310 have a connecting hole 314 extending vertically through it. In this embodiment, the water-guiding slope 313 has a good draft angle, and the angle between the water-guiding slope 313 and the horizontal plane is not less than 15°.

[0044] The cross section of the outer guide rail 32 is C-shaped. The outer guide rail 32 extends in the front-to-back direction and can be slidably mounted on the outer periphery of the inner guide rail 31. The bottom wall of the outer guide rail 32 is provided with a third strip groove 321 extending along its length and corresponding to the first strip groove 311. The top wall of the outer guide rail 32 is provided with a fourth strip groove 322 extending along its length and corresponding to the second strip groove 312. The bottom wall of the third strip groove 321 is provided with a plurality of water drop holes 323 spaced apart along its length. The top wall of the fourth strip groove 322 is provided with a plurality of air inlet holes 324 spaced apart along its length. In this embodiment, each water drop hole 323 and air inlet hole 324 is a waist-shaped hole extending in the length of the outer guide rail 32, thereby increasing the drainage and air inlet area.

[0045] The first retaining frame 33 is arranged between the bottom wall of the inner guide rail 31 and the bottom wall inside the outer guide rail 32 along the front-to-back direction, and the first retaining frame 33 is provided with a plurality of first limiting holes 331 spaced apart along the length direction thereof;

[0046] There are multiple first balls 34, which correspond one to one with the first limiting holes 331. Each first ball 34 can be rolled and installed in the corresponding first limiting hole 331. The top and bottom of each first ball 34 are exposed outside the corresponding first limiting hole 331 and are respectively accommodated in the first strip groove 311 and the third strip groove 321, so that each first ball 34 can be rolled and limited between the bottom wall of the inner guide rail 31 and the bottom wall inside the outer guide rail 32.

[0047] The second retaining frame 35 is arranged between the top wall of the inner guide rail 31 and the top wall inside the outer guide rail 32 along the front-to-back direction, and the second retaining frame 35 is provided with a plurality of second limiting holes 351 spaced apart along the length direction thereof;

[0048] There are multiple second balls 36, which correspond one-to-one to the second limiting holes 351. Each second ball 36 can be rolled and installed in the corresponding second limiting hole 351. The bottom and top of each second ball 36 are exposed outside the corresponding second limiting hole 351 and are respectively accommodated in the second strip groove 312 and the fourth strip groove 322, so that each second ball 36 can be rolled and limited between the top wall of the inner guide rail 31 and the top wall inside the outer guide rail 32.

[0049] The first roller 37 and the second roller 38 are both rotatably connected to the side of the pull-out basket 2; there is one first roller 37, which is arranged below the outer guide rail 32, and the first roller 37 is guided and cooperated with the bottom wall of the outer guide rail 32; there are two second rollers 38, which are arranged above the outer guide rail 32 at intervals in the front-to-back direction, and each second roller 38 is guided and cooperated with the top wall of the outer guide rail 32.

[0050] The working principle of this embodiment is as follows: during cleaning, the spray component sprays cleaning water onto the tableware on the pull-out basket 2. During this process, water and food residues accumulated in the outer guide rail 32 are discharged through the drain hole 323. After cleaning, the drying component blows hot air into the inner cavity of the box body 1 to dry the tableware on the bowl basket 2. During this process, the hot air also enters the inner part of the outer guide rail 32 through the drain hole 323 and the air inlet hole 324 to dry the guide rail structure 3, thereby preventing water residue from affecting the pushing and pulling of the pull-out basket 2.

Claims

1. A guide rail structure for a cleaning machine, comprising an inner guide rail (31) extending in a front-to-rear direction; and An outer guide rail (32) extends in a front-to-rear direction and is sleeved on the outer periphery of the inner guide rail (31) so as to be slidable forward and backward; Its characteristics are: The bottom wall of the outer guide rail (32) is provided with a plurality of water drop holes (323) spaced apart along its length direction, and the top wall of the outer guide rail (32) is provided with a plurality of air inlet holes (324) spaced apart along its length direction.

2. The guide rail structure according to claim 1, characterized in that: Also includes A plurality of first balls (34) are arranged in the outer guide rail (32) at intervals along the front-to-back direction, and each first ball (34) is capable of rolling and being confined between the bottom wall of the inner guide rail (31) and the bottom wall inside the outer guide rail (32); as well as A plurality of second balls (36) are arranged in the outer guide rail (32) at intervals along the front-to-back direction, and each second ball (36) is rollably confined between the top wall of the inner guide rail (31) and the top wall inside the outer guide rail (32).

3. The guide rail structure according to claim 2, characterized in that: Also includes A first retaining frame (33) is arranged between the bottom wall of the inner guide rail (31) and the bottom wall inside the outer guide rail (32) in the front-to-back direction, and is provided with a plurality of first limiting holes (331) spaced apart along its length and corresponding to the first balls (34), each first ball (34) being capable of being rotatably mounted in the corresponding first limiting hole (331); as well as The second retaining frame (35) is arranged between the top wall of the inner guide rail (31) and the top wall inside the outer guide rail (32) in the front-to-back direction, and is provided with a plurality of second limiting holes (351) spaced apart along its length and corresponding to the second balls (36). Each second ball (36) can be rollingly installed in the corresponding second limiting hole (351).

4. The guide rail structure according to claim 3, characterized in that: The bottom wall of the inner guide rail (31) has a first strip-shaped groove (311) extending along its length direction, and the top wall of the inner guide rail (31) has a second strip-shaped groove (312) extending along its length direction; The bottom wall inside the outer guide rail (32) has a third strip groove (321) extending along its length and corresponding to the first strip groove (311), and the top wall inside the outer guide rail (32) has a fourth strip groove (322) extending along its length and corresponding to the second strip groove (312); The top and bottom of each first rolling ball (34) are exposed from the corresponding first limiting hole (331) and are respectively accommodated in the first strip groove (311) and the third strip groove (321); The bottom and top of each second rolling ball (36) are exposed from the corresponding second limiting hole (351) and are respectively accommodated in the second strip groove (312) and the fourth strip groove (322).

5. The guide rail structure according to claim 4, characterized in that: The water drop hole (323) is provided on the bottom wall inside the third strip-shaped groove (321), and the air inlet hole (324) is provided on the top wall inside the fourth strip-shaped groove (322).

6. The guide rail structure according to claim 1, characterized in that: The inner guide rail (31) is a hollow structure composed of a plurality of frame bars (310).

7. The guide rail structure according to claim 6, characterized in that: At least a portion of the surface of the frame strip (310) has a water-guiding slope (313) that gradually approaches the side wall of the outer guide rail (32) from top to bottom.

8. The guide rail structure according to claim 6, characterized in that: At least a portion of the frame strips (310) is provided with a communication hole (314) penetrating in the vertical direction.

9. The guide rail structure according to claim 1, characterized in that: Each of the water drop holes (323) and air inlet holes (324) is a waist-shaped hole extending along the length direction of the outer guide rail (32).

10. The guide rail structure according to any one of claims 1 to 9, characterized in that: Also includes At least one first roller (37) is arranged below the outer guide rail (32) and is in guiding cooperation with the bottom wall of the outer guide rail (32); as well as At least two second rollers (38) are arranged above the outer guide rail (32) at intervals along the front-to-back direction and are guided and matched with the top wall of the outer guide rail (32).

11. A cleaning machine, characterized in that: It comprises a box body (1), a pull-out basket (2) and the guide rail structure (3) as claimed in claim 10, wherein the guide rail structures (3) are in two groups and are symmetrically arranged on the left and right sides of the pull-out basket (2), and the inner guide rail (31) of each guide rail structure (3) is installed on the side wall inside the box body (1), and the first roller (37) and the second roller (38) of each guide rail structure (3) are rotatably connected to the side of the pull-out basket (2).

Images