Anti-derailing structure of sliding door
By combining guide rails, nylon wheels, and knurled screws, the problems of sliding doors easily derailing and being difficult to install are solved, achieving stable operation and easy installation of sliding doors, and improving practicality and cleanliness.
Patent Information
- Application Number
- CN202422997786.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-05
AI Technical Summary
Existing sliding doors are prone to derailment during use, are difficult to install, and are difficult for ordinary users to operate.
The sliding door employs a combination structure of guide rails, nylon wheels, and knurled screws. By adjusting the gap between the nylon wheels and the knurled screws, the anti-derailment function of the sliding door is achieved, and the installation process is simplified.
It enables the sliding door to operate stably within the track, simplifies the installation process, improves practicality and ease of operation, and makes cleaning convenient.
Smart Images

Figure CN223854067U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sliding door technical field, concretely is a sliding door anti -derailing structure. BACKGROUND
[0002] In the equipment of commercial kitchen utensils, sliding doors are often used, but in the opening and closing process, due to the strength of the operator or the opening and closing mode problem, the derailing phenomenon often occurs, causing many inconvenience.
[0003] At present, the common sliding door, although some are convenient to install, but there is a greater risk of derailing, some can better prevent derailing, but installation is difficult, and once derailing, it is difficult to install again, and ordinary users are difficult to operate. Therefore, the technical personnel in the prior art provide a kind of sliding door anti -derailing structure to solve the problems raised in the above background art. UTILITY MODEL CONTENT
[0004] In view of the deficiencies of prior art, the utility model provides a kind of sliding door anti -derailing structure, solves the problems of derailing risk and installation difficulty of sliding door.
[0005] To achieve the above object, the utility model is realized by the following technical scheme: a kind of sliding door anti -derailing structure, including cabinet, the inner upper surface of the cabinet is provided with guide rail, and the inside of cabinet is provided with outer sliding door and inner sliding door from front to back behind guide rail, the front surface of the outer sliding door is symmetrically provided with first nylon wheel on the rear surface of guide rail, and the upper surface of the outer sliding door is provided with first knurled screw rod, the front surface of the inner sliding door is provided with lower limit and upper limit, second knurled screw rod is rotatably installed between the lower limit and upper limit, the inside of the inner sliding door is also provided with lengthened nut, the rear surface of the inner sliding door is symmetrically provided with second nylon wheel.
[0006] Preferably, the guide rail is hook-shaped, and a groove is formed in the inside of the guide rail, and the first nylon wheel and the second nylon wheel are slidably installed in the groove.
[0007] Preferably, the distance between the outer sliding door and the inner sliding door is 18-22mm.
[0008] Preferably, the size of the lower limit and the upper limit is 18*15mm.
[0009] Preferably, the distance between the first nylon wheel and the first knurled screw rod is 2-3mm.
[0010] Preferably, the length of the lengthened nut is 12-16mm.
[0011] Beneficial effects
[0012] The utility model provides a kind of sliding door anti-derailing structure.Compared with prior art, it has the following beneficial effects: the sliding door anti-derailing structure, by simple operation, knurled screw rod is rotated, the gap of adjusting screw rod and nylon wheel realizes that sliding door cannot run out of track, compared with prior art, it is more practical, simple structure, easy to operate, at the same time, cleaning is convenient, installation is convenient, by the optimization of novel structure, its practicality effect is obviously improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a kind of sliding door anti-derailing structure structure schematic diagram;
[0014] Figure 2 It is a kind of sliding door anti-derailing structure cabinet front view;
[0015] Figure 3 It is a kind of sliding door anti-derailing structure outer door panel front view;
[0016] Figure 4 It is a kind of sliding door anti-derailing structure inner door panel rear view;
[0017] Figure 5 It is a kind of sliding door anti-derailing structure lengthening nut structure schematic diagram
[0018] Figure 6 It is a kind of sliding door anti-derailing structure inner door panel internal structure schematic diagram.
[0019] In the drawing: 1, guide rail;2, cabinet;3, outer sliding door;31, first nylon wheel;32, first knurled screw rod;4, inner sliding door;41, second knurled screw rod;42, second nylon wheel;43, lower limit;44, upper limit;45, lengthening nut. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. 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 those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0021] Please refer to Figures 1-6The utility model provides a technical scheme: a sliding door anti -derailing structure, including the cabinet body 2, the inside upper surface of cabinet body 2 is provided with guide rail 1, and the inside of cabinet body 2 is provided with outer sliding door 3 and inner sliding door 4 from front to back behind guide rail 1, the front surface of outer sliding door 3 is provided with first nylon wheel 31 in the rear surface symmetry of guide rail 1, and the upper surface of outer sliding door 3 is provided with first knurled screw rod 32, the front surface of inner sliding door 4 is provided with lower limit 43 and upper limit 44, second knurled screw rod 41 is rotatably installed between lower limit 43 and upper limit 44, the inside of inner sliding door 4 is also provided with lengthened nut 45, and the rear surface of inner sliding door 4 is provided with second nylon wheel 42 in symmetry.
[0022] The utility model specifically, guide rail 1 is hook shape, and the inside of guide rail 1 is provided with groove, and first nylon wheel 31 and second nylon wheel 42 are slidably installed in the groove.
[0023] The utility model specifically, the distance between outer sliding door 3 and inner sliding door 4 is 18-22mm.
[0024] The utility model specifically, the size of lower limit 43 and upper limit 44 is 18*15mm.
[0025] The utility model specifically, the distance between first nylon wheel 31 and first knurled screw rod 32 is 2-3mm.
[0026] The utility model specifically, the length of lengthened nut 45 is 12-16mm.
[0027] When working (or when using), a sliding door anti-derailing structure is composed of cabinet body 2, guide rail 1, outer sliding door 3 and inner sliding door 4, wherein the structure of outer sliding door 3 is flat plate type, the four edges are inwardly folded to form a box body, the structure of inner sliding door 4 is flat plate type, the four edges are inwardly folded to form a box body, the structure of first nylon wheel 31 is rolling mechanism, which rolls and slides in guide rail 1, first knurled screw rod 32 and second knurled screw rod 41 are screws with enlarged heads, patterns are extruded on the edges, which are suitable for manual rotation without slipping, lengthened nut 45 is a nut with a height increased by many times, with many internal teeth, guide rail 1 is hook-shaped, the internal groove can be used for the operation of first nylon wheel 31 and second nylon wheel 42, and the edge can block the wheels;
[0028] The assembly sequence is as follows: placing outer sliding door 3, welding lengthened nut 45 to the corresponding hole position, assembling first knurled screw rod 32, rotating until a little head is exposed, placing inner sliding door 4, spot welding the four corners and polishing, assembling second nylon wheel 42, hanging the sliding door, adjusting the distance between second nylon wheel 42 and second knurled screw rod 41 to prevent inner sliding door 4 from sliding out of guide rail 1, and thus the sliding door is assembled.
[0029] Also, any format not described in detail herein is considered to be conventional and well known by those skilled in the art.
Claims
1. A sliding door anti-derailing structure, characterized by: The utility model relates to a cabinet, which comprises a cabinet body (2), an inner upper surface of the cabinet body (2) is provided with a guide rail (1), and the inside of the cabinet body (2) is provided with an outer sliding door (3) and an inner sliding door (4) from front to back behind the guide rail (1), the front surface of the outer sliding door (3) is provided with a first nylon wheel (31) in the rear surface of the guide rail (1) symmetrically, and the upper surface of the outer sliding door (3) is provided with a first knurled screw rod (32) penetratingly, the front surface of the inner sliding door (4) is provided with a lower limit (43) and an upper limit (44), the second knurled screw rod (41) is rotatably installed between the lower limit (43) and the upper limit (44), and the inside of the inner sliding door (4) is further provided with an elongated nut (45); the rear surface of the inner sliding door (4) is provided with a second nylon wheel (42) symmetrically.
2. A sliding door anti-derailing structure according to claim 1, characterized in that: The guide rail (1) is hook-shaped, and the inside of the guide rail (1) is provided with a groove, the first nylon wheel (31) and the second nylon wheel (42) are slidably installed in the groove.
3. The door anti-derailing structure according to claim 1, wherein: The distance between the outer sliding door (3) and the inner sliding door (4) is 18-22mm.
4. The door anti-derailing structure of claim 1, wherein: The size of the lower limit (43) and the upper limit (44) is 18*15mm.
5. The door anti-derailing structure of claim 1, wherein: The distance between the first nylon wheel (31) and the first knurled screw rod (32) is 2-3mm.
6. A door anti-derailment structure according to claim 1, characterized in that: The length of the elongated nut (45) is 12-16mm.