Slidable self-limiting type door curtain for refrigerating box body
By adopting a sliding self-limiting door curtain structure in the refrigerated container, the problems of easy damage to the door curtain and cold air leakage during loading and unloading are solved, realizing flexible sliding and efficient sealing of the door curtain, and improving the service life and loading and unloading convenience of the refrigerated container.
Patent Information
- Application Number
- CN202423295430.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-31
AI Technical Summary
The door curtains of existing refrigerated containers are prone to detachment due to stress during loading, which affects their service life. They are also easily damaged when loading and unloading large items, making it difficult to receive goods.
The curtain adopts a sliding self-locking structure, including guide rails, connecting plates, rollers, central shaft, springs and limiting mechanisms. Through the cooperation of roller sliding and anti-slip blocks, the curtain can slide flexibly and lock itself to prevent it from sliding out. It can also be fully covered or partially opened when needed to adapt to different loading and unloading spaces.
It improves the lifespan of the door curtain, prevents cold air leakage, facilitates the loading and unloading of large goods, reduces the frequency of use of Velcro, and enhances the dynamic sealing performance of the refrigerated box.
Smart Images
Figure CN223580368U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cold storage vehicle technical field especially relates to a slideable self -limiting type door curtain for cold storage box. BACKGROUND
[0002] The door curtain mechanism of the cold storage box usually includes slide rail, door curtain clamping plate and door curtain, usually in the process of loading, the both sides door curtain is rolled up and is fixed with magic tape, can leave a not big goods inlet, goods are difficult to enter, when big piece goods is moved in and out of the box, the door curtain is easily scratched and leads to the stress of door curtain, the magic tape falls off, the worker needs to fix with magic tape again and the long -term stress of door curtain also leads to the loosening and falling off of fixed rivet, influences the service life of door curtain structure and box. UTILITY MODEL CONTENTS
[0003] The utility model provides a structure is ingenious, and uses flexible simple slideable self -limiting type door curtain for cold storage box for above -mentioned problem.
[0004] The utility model discloses a slideable self -limiting type door curtain for cold storage box, the carriage is equipped with a plurality of side -by -side detachable fixed setting guide rail.
[0005] The utility model discloses a slideable self -limiting type door curtain for cold storage box, the carriage is equipped with a plurality of side -by -side detachable fixed setting guide rail.
[0006] Connecting plate, slide setting is in the lower portion of guide rail;
[0007] Door curtain, detachable fixed setting is in the connecting plate;
[0008] Center shaft, vertically penetrates in the connecting plate, and the top of center shaft is stretched out from the connecting plate through spring, and is connected with guide rail, and the bottom of center shaft is equipped with the hinge setting of unhooking, and the top end of center shaft is separated with guide rail through the downward pull of pull rope on unhooking.
[0009] Specifically, the top of the center shaft is provided with a fixedly connected anti-slip block.
[0010] Specifically, the guide rail is provided with a plurality of positioning grooves matched with the center shaft.
[0011] Specifically, the center shaft is provided with a fixedly connected limiting ring.
[0012] The limiting ring is located in the connecting plate.
[0013] The spring is arranged in the connecting plate and located below the limiting ring.
[0014] Specifically, the cross section of the connecting plate is C-shaped structure.
[0015] Specifically, the upper end of the connecting plate is rotatably connected to the roller through a bolt.
[0016] The rolling wheels roll in the guide rail.
[0017] Specifically, the door curtain is fixed between the clamping plate and the connecting plate through the connecting piece.
[0018] Specifically, the guide rail is provided with a limiting mechanism near the end position.
[0019] Specifically, the limiting mechanism is a limiting block.
[0020] Specifically, the limiting mechanism is a limiting bolt.
[0021] The utility model discloses a sliding mechanism (guide rail, rolling wheel etc.) and antiskid mechanism (central shaft, spring etc.), through with door curtain clamping plate and bolt, the door curtain is fixed on the door curtain connecting plate, and the rolling wheel drives the door curtain connecting plate to slide along the track, and the antiskid mechanism is on the door curtain connecting plate, and can be released brake when pulling the pull rope down, and after loosening the pull rope, brake again, and the both sides of the slide rail are provided with limiting blocks, which can effectively prevent the pulley from sliding out of the track. The door curtain assembly of the case adopts three, that is, the door curtain is provided with three pieces, and can be slid to left, middle and right three positions respectively according to the needs of the vehicle user, realizes that the door curtain is fully covered in the width direction of the box body, prevents cold air leakage when opening the door, when loading and unloading goods, the door curtain can be slid to one side and locked according to the needs of the passing space, and 1 / 3-2 / 3 space is left for goods handling. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;
[0023] Figure 2 It is the three-dimensional structure schematic diagram of the connecting plate and door curtain connection state;
[0024] Figure 3 It is the three-dimensional structure schematic diagram of the central shaft connection state;
[0025] Figure 4 It is Figure 3 The enlarged structure schematic diagram of A area in the middle;
[0026] Figure 5 It is the three-dimensional structure schematic diagram of the clamping plate connection state;
[0027] Figure 6 It is the three-dimensional structure schematic diagram of three groups of guide rail connection state;
[0028] In the drawing, 100 is a guide rail,
[0029] 200 is a connecting plate, and 210 is a rolling wheel,
[0030] 300 is a door curtain, and 310 is a clamping plate,
[0031] 400 is a center shaft, 410 is a shackle, 420 is a pull rope, 430 is a sliding block, 440 is a limiting ring,
[0032] 500 is a spring. DETAILED DESCRIPTION
[0033] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, and are only used to explain the present application, and cannot be understood as a limitation of the present application.
[0034] In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", "vertical", "horizontal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.
[0035] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0036] Reference is made below Figures 1-4 to describe the present application;
[0037] A slidable self-limiting door curtain for a refrigerated box body is provided with a plurality of detachable and fixedly arranged guide rails 100 in parallel in the vehicle compartment (specifically on the top plate of the tail part of the refrigerated box) ; the door curtain assembly is arranged in the guide rail; the door curtain assembly comprises:
[0038] The connecting plate 200 has a C-shaped structure in cross section and is slidingly arranged below the guide rail 100; the upper end is rotatably connected to the roller 210 by a bolt; the roller 210 is rollingly arranged in the guide rail 100.
[0039] The roller 210 of the present application comprises a pair of symmetrically arranged wheel bodies, and the pair of wheel bodies are hinged by a hinge rod; the connecting plate 200 is detachably and movably arranged on the hinge rod.
[0040] The door curtain 300 is detachably and fixedly arranged on the connecting plate 200.
[0041] The door curtain 300 is arranged outside the clamping plate 310 and is fixed between the clamping plate 310 and the connecting plate 200 through the connecting piece.
[0042] The center shaft 400 vertically penetrates the connecting plate 200 and the top of the center shaft 400 is extended out of the connecting plate 200 through the spring 500 and is connected with the guide rail. The bottom of the center shaft 400 is hingedly arranged with the release buckle 410. The top end of the center shaft is separated from the guide rail by pulling down the pull rope 420 on the release buckle 410 to realize unlocking. The pull rope 420 is released and the spring is reset to make the center shaft 400 and the guide rail realize self-locking.
[0043] The top of the center shaft 400 is fixedly connected with the anti-slip block 430 made of hard rubber or nylon material. The anti-slip block 430 is pressed by the spring and stops the roller 210 from moving under the friction force.
[0044] In addition to the above-mentioned locking by the anti-slip block 430, a plurality of positioning grooves matched with the center shaft 400 can be arranged in the guide rail 100.
[0045] Further describe the spring 500 setting structure:
[0046] The center shaft 400 is fixedly connected with the limiting ring 440. The limiting ring 440 is located in the connecting plate 200.
[0047] The spring 500 is arranged in the connecting plate 200 below the limiting ring 440. The limiting ring 440 is pushed upward to its original position by the elastic force of the spring 500.
[0048] The limiting mechanism is arranged in the guide rail 100 near the end position. The limiting mechanism is a limiting block or a limiting bolt.
[0049] The limiting mechanism adopts two forms, that is, the one end of the slide rail adopts the limiting bolt and the other end adopts the limiting block.
[0050] The door curtain assembly adopts three, that is, the door curtain is provided with three pieces, which can be slid to left, middle and right three positions according to the needs of the vehicle user, realizes full coverage of the door curtain in the width direction of the box, prevents cold air leakage when the door is opened, when loading and unloading goods, the door curtain can be slid to one side and locked according to the needs of the passing space to leave 1 / 3-2 / 3 space for goods handling, and the position which does not need to pass can pull up the door curtain to prevent excessive cold air leakage, and improve the dynamic sealing performance of the cargo box as needed. The anti-slip block provided can meet the cold preservation needs of customers in different working conditions, and the setting of the limiting mechanism on both sides of the guide rail 100 effectively prevents the problem of fragmentation of the impact of the door curtain on the inner wall of the compartment under the condition of ultra-low temperature.
[0051] For the content disclosed in the present case, the following points need to be explained:
[0052] (1) The disclosed embodiment drawings of the present case only involve the structures involved in the disclosed embodiment, and other structures can refer to the usual design;
[0053] (2) In the case of no conflict, the disclosed embodiments and the features in the embodiments can be combined to obtain new embodiments;
[0054] The above is only a specific embodiment disclosed in the present case, but the protection scope of the present disclosure is not limited thereto, and the protection scope of the present disclosure should be subject to the protection scope of the claims.
Claims
1. A slideable self-limiting door curtain for a refrigerated box, characterized in that, The carriage is provided with a plurality of parallel detachable fixed guide rails (100); the guide rail is provided with a curtain assembly; the curtain assembly comprises: A connecting plate (200) is slidingly arranged below the guide rail (100); A curtain (300) is detachably fixed on the connecting plate (200); A central shaft (400) vertically penetrates the connecting plate (200), the top of the central shaft (400) is extended from the connecting plate (200) by a spring (500) and connected with the guide rail (100); the bottom of the central shaft (400) is provided with a hinged buckle (410), the top end of the central shaft (400) is separated from the guide rail (100) by pulling down the pull rope (420) on the buckle (410).
2. A self-limiting slideable door curtain for a cold box according to claim 1, wherein, The top of the central shaft (400) is provided with a fixedly connected anti-slip block (430).
3. The self-limiting slideable door curtain for a cold box of claim 1, wherein, The guide rail (100) is provided with a plurality of positioning grooves matched with the central shaft (400).
4. The self-limiting slideable door curtain for a cold box of claim 1, wherein, The central shaft (400) is provided with a fixedly connected limiting ring (440); The limiting ring (440) is located in the connecting plate (200); The spring (500) is arranged in the connecting plate (200) below the limiting ring (440).
5. A self-limiting slideable door curtain for a cold box according to claim 4, wherein, The cross section of the connecting plate (200) is C-shaped structure.
6. A self-limiting slideable door curtain for a cold box according to claim 5, wherein, The upper end of the connecting plate (200) is rotatably connected with a roller (210) by a bolt; The roller (210) is rollingly arranged in the guide rail (100).
7. The self-limiting slideable door curtain for a cold box of claim 1, wherein, The outer side of the curtain (300) is provided with a clamping plate (310), and the curtain (300) is fixedly arranged between the clamping plate (310) and the connecting plate (200) by a connecting piece.
8. The self-limiting slideable door curtain for a cold box of claim 1, wherein, The guide rail (100) is provided with a limiting mechanism near the end position.
9. A self-limiting slideable door curtain for a cold box according to claim 8, wherein, The limiting mechanism is a limiting block.
10. A self-limiting slideable door curtain for a cold box according to claim 8, wherein, The limiting mechanism is a limiting bolt.