Railway freight refrigeration compartment
By designing a sliding mounting sleeve and a motor-driven lead screw system, combined with limit pins and return springs, the problems of difficult handling and hook detachment caused by the fixed hooks of existing railway freight refrigerated compartments have been solved, achieving convenient retrieval and stable meat storage.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-28
- Publication Date
- 2026-04-03
AI Technical Summary
The existing fixed installation of hooks in railway freight refrigerated compartments makes it difficult to handle meat products, and the hooks are not secure enough, making them prone to coming off and affecting the refrigeration effect.
A sliding mounting sleeve and a motor-driven lead screw system were designed, combined with limit pins and return springs, to achieve controllable movement and stable fixation of the hook. The extension and locking device of the hook is controlled by a motor, which enhances the convenience and firmness of picking up the hook.
It enables convenient loading and unloading of meat products, prevents hook detachment, and improves the ease of use and refrigeration effect of the refrigerated compartment.
Smart Images
Figure CN224075562U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of refrigerated compartment technology, and more specifically, to a railway freight refrigerated compartment. Background Technology
[0002] Refrigerated freight cars are special cars used to maintain the low or constant temperature of goods during railway transportation. They are mainly used for transporting temperature-sensitive items such as food, medicine, and chemicals. Meat refrigerated freight cars are also a type of refrigerated car. They are usually equipped with hooks for hanging meat to facilitate hanging and separating various types of raw meat for good refrigeration.
[0003] However, in the current use of railway freight refrigerated compartments, most of the hooks are fixed inside the compartment, which means that when retrieving meat from the compartment, personnel need to enter the compartment to retrieve the meat. Because the space inside the refrigerated compartment is small and the temperature is low, it is quite difficult to retrieve the meat.
[0004] Furthermore, when using existing refrigerated compartments, simply hanging raw meat with hooks is not secure enough, and the hooks are prone to coming loose, affecting the refrigeration effect of the raw meat. Utility Model Content
[0005] (a) Technical problems to be solved
[0006] In view of the problems existing in the prior art, this utility model provides a railway freight refrigerated compartment to solve the technical problem mentioned in the background art that most of the hooks of the existing railway freight refrigerated compartments are fixedly installed inside the compartment, which makes it difficult to retrieve meat products from the refrigerated compartment.
[0007] (II) Technical Solution
[0008] To achieve the above objectives, this utility model provides the following technical solution: a railway freight refrigerated compartment, comprising a compartment body, a T-shaped slide rail fixedly provided on the upper part of the inner wall of the compartment body, two sets of T-shaped slide rails arranged symmetrically, each T-shaped slide rail having a sliding mounting sleeve, a connecting plate fixedly provided at the middle position of the two mounting sleeves, a hook provided on the lower end face of each mounting sleeve, multiple hooks arranged linearly, a cavity opened at one end of the compartment body, a motor fixedly provided inside the cavity, a lead screw provided at the output end of the motor, the lead screw being threadedly connected to the connecting plate, a bearing seat provided on one side of the inner wall of the compartment body, the other end of the lead screw being rotatably mounted to the bearing seat, and a limit component provided on each hook, the limit component including a limit pin.
[0009] The present invention is further configured such that the limiting pins are all slidably installed with the hooks, one end of each hook is fixedly provided with a stop bar, each stop bar is provided with a positioning groove, one end of each limiting pin is located inside the positioning groove, and the upper end of each stop bar is provided with a pointed cone.
[0010] The present invention is further configured such that the other end of each limiting pin passes through the hook and is provided with a pull block, and the inner wall of each pull block is provided with a return spring, and the other end of each return spring is fixedly installed to the outer wall of the hook.
[0011] The present invention is further configured such that a sleeve is fixedly provided on the lower end face and one side of the mounting sleeve, a support rod is slidably provided inside the sleeve, and a grounding foot is fixedly provided at the bottom of the support rod, and the grounding foot is in contact with the bottom wall of the carriage body.
[0012] The present invention is further provided that the outer wall of the sleeve is provided with a locking hole at the bottom, the locking hole is provided with a locking screw, the outer wall of the support rod is provided with anti-slip texture, and one end of the locking screw abuts against the anti-slip texture.
[0013] The present invention is further configured such that doors are hinged to the front end and both sides of the carriage body.
[0014] The present invention is further provided that a cooling component is provided on the inner wall of the carriage body on both sides.
[0015] The present invention is further provided with a limiting rod fixedly provided on the inner wall of the mounting sleeve and at the tail end, and a limiting hole is provided on each of the T-shaped slide rails, and the limiting rod is located inside the limiting hole.
[0016] (III) Beneficial Effects
[0017] Compared with the prior art, this utility model provides a refrigerated railway freight compartment, which has the following advantages:
[0018] 1. By setting up an installation sleeve, connecting plate, hook and motor, the user can control the motor to rotate the lead screw. At this time, the lead screw will drive the connecting plate and the installation sleeve to move, so that the hook on the installation sleeve can be removed from the carriage body, thus making it easier to pick up the meat items on it.
[0019] 2. By setting a limit pin, a stop bar, and a positioning groove, the user can pull the pull block to disengage one end of the limit pin from the positioning groove. At this time, the meat can be inserted into the hook through the cone on the stop bar. Then, the limit pin is released, and the return spring will extend to block the opening end of the hook, preventing the meat from coming off the hook.
[0020] 3. By setting up a sleeve, support rod, grounding foot, and locking screw, when the mounting sleeve is removed from the carriage body, the locking screw can be loosened, then the support rod can be lowered and the grounding foot can be brought into contact with the ground. At this time, the locking screw is tightened so that one end abuts against the anti-slip texture to increase the stability of the mounting sleeve and facilitate material removal. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of a railway freight refrigerated compartment in its unused state.
[0022] Figure 2 This is a schematic diagram showing the installation of internal components of the carriage.
[0023] Figure 3 This is an overall sectional view of a railway freight refrigerated compartment;
[0024] Figure 4 Exploded view of the installation with the sleeve, support rod and locking screw attached;
[0025] Figure 5 Exploded view of the installation with hooks and limit pins attached;
[0026] Figure 6 This is a schematic diagram showing the installation positions of the T-shaped slide rails, limit holes, and bearing seats inside the carriage body.
[0027] In the diagram: 1. Carriage body; 2. T-shaped slide rail; 3. Mounting sleeve; 4. Connecting plate; 5. Hook; 6. Cavity; 7. Motor; 8. Lead screw; 9. Bearing seat; 10. Limit pin; 11. Stop bar; 12. Positioning groove; 13. Pull block; 14. Return spring; 15. Sleeve; 16. Support rod; 17. Grounding foot; 18. Locking hole; 19. Locking screw; 20. Anti-slip texture; 21. Carriage door; 22. Refrigeration component; 23. Limit bar; 24. Limiting hole. Detailed Implementation
[0028] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.
[0029] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.
[0030] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.
[0031] Please see Figure 1-6 A railway freight refrigerated compartment includes a compartment body 1. A T-shaped slide rail 2 is fixedly installed on the upper part of the inner wall of the compartment body 1. Two sets of T-shaped slide rails 2 are symmetrically arranged. Mounting sleeves 3 are slidably installed on each T-shaped slide rail 2. A connecting plate 4 is fixedly installed in the middle of the two mounting sleeves 3. Hooks 5 are provided on the lower end face of each mounting sleeve 3. Multiple hooks 5 are arranged linearly. A cavity 6 is opened at one end of the compartment body 1. A motor 7 is fixedly installed inside the cavity 6. A lead screw 8 is provided at the output end of the motor 7. The lead screw 8 is threadedly connected to the connecting plate 4. A bearing seat 9 is provided on one side of the inner wall of the compartment body 1. The other end of the lead screw 8 is rotatably installed with the bearing seat 9. Each hook 5 is provided with a limit component, including a limit pin 10. A limit rod 23 is fixedly installed on the rear end of the inner wall of the mounting sleeve 3. Limit holes 24 are correspondingly opened on each T-shaped slide rail 2. The limit rod 23 is located inside the limit holes 24.
[0032] In this embodiment, the limiting pins 10 are all slidably installed with the hooks 5. One end of each hook 5 is fixedly provided with a stop bar 11. Each stop bar 11 is provided with a positioning groove 12. One end of each limiting pin 10 is located inside the positioning groove 12. The upper end of each stop bar 11 is provided with a pointed cone. The other end of each limiting pin 10 passes through the hook 5 and is provided with a pull block 13. Each pull block 13 is provided with a return spring 14 on its inner wall. The other end of each return spring 14 is fixedly installed with the outer wall of the hook 5.
[0033] More specifically, the user can control the motor 7 to rotate the lead screw 8. At this time, the lead screw 8 will drive the connecting plate 4 and the mounting sleeve 3 to move, so that the hook 5 on the mounting sleeve 3 can be removed from the carriage body 1, making it easier to take out the meat items at the top. When storing meat, the limit pin 10 can be disengaged from the positioning groove 12 by pulling the pull block 13. At this time, the meat can be inserted into the hook 5 through the cone on the stop bar 11. Then, the limit pin 10 is released, and the return spring 14 will extend to block the opening end of the hook 5, preventing the meat items from falling off the hook.
[0034] Please see Figure 1 and Figure 4As an embodiment for supporting the mounting sleeve 3: a sleeve 15 is fixedly provided on the lower end face of the mounting sleeve 3 and on one side. A support rod 16 is slidably provided inside the sleeve 15. A grounding foot 17 is fixedly provided at the bottom of the support rod 16. The grounding foot 17 is in contact with the bottom wall of the carriage body 1. A locking hole 18 is provided on the outer wall of the sleeve 15 and at the bottom. A locking screw 19 is provided inside the locking hole 18. Anti-slip texture 20 is provided on the outer wall of the support rod 16. One end of the locking screw 19 abuts against the anti-slip texture 20.
[0035] Specifically, when the mounting sleeve 3 is removed from the carriage body 1, the locking screw 19 can be loosened, and then the support rod 16 can be lowered and the grounding foot 17 can be brought into contact with the ground. At this time, the locking screw 19 is tightened so that one end abuts against the anti-slip texture 20 to increase the stability of the mounting sleeve 3 and facilitate material handling.
[0036] Please refer to Figures 2-4 As a further embodiment of sealing one end of the carriage body 1: a carriage door 21 is hinged to the front end and both sides of the carriage body 1, and a refrigeration component 22 is provided on the inner wall of the carriage body 1 and both sides.
[0037] Specifically, users can close the compartment door 21 and use the refrigeration unit 22 to cool down the meat inside the compartment body 1 to achieve a refrigeration effect.
[0038] In summary, when using the entire equipment: Pulling the pull block 13 disengages one end of the limit pin 10 from the positioning groove 12, allowing meat to be inserted into the hook 5 via the pointed tip on the stop lever 11. Releasing the limit pin 10 then extends the return spring 14, effectively blocking the opening of the hook 5 and preventing the meat from detaching. Closing the compartment door 21 and using the refrigeration unit 22 cools the meat inside the compartment 1, achieving a refrigeration effect. When further processing is needed... When retrieving food items, the door 21 can be opened and the motor 7 can be controlled to rotate the lead screw 8. At this time, the lead screw 8 will drive the connecting plate 4 and the mounting sleeve 3 to move, so that the hook 5 on the mounting sleeve 3 can be removed from the carriage body 1, making it easier to retrieve the meat items on top. When retrieving the food items, the locking screw 19 can be loosened, and then the support rod 16 can be lowered so that the grounding foot 17 contacts the ground. At this time, the locking screw 19 can be tightened so that one end abuts against the anti-slip texture 20 to increase the stability of the mounting sleeve 3 and facilitate the retrieval of the food items.
[0039] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.
Claims
1. A railway freight refrigerated van comprising a van body (1), characterised in that: The inner wall of the carriage body (1) is provided with T-shaped sliding rails (2) at the upper end, the T-shaped sliding rails (2) are provided with two groups and are symmetrically arranged, mounting sleeves (3) are slidably arranged on the T-shaped sliding rails (2), a connecting plate (4) is fixedly arranged at the middle position of the two mounting sleeves (3), hooks (5) are arranged on the lower end surface of the mounting sleeves (3), the hooks (5) are arranged in a linear arrangement, a cavity (6) is formed in one end of the carriage body (1), a motor (7) is fixedly arranged in the cavity (6), a lead screw (8) is arranged on the output end of the motor (7), the lead screw (8) is threadedly connected with the connecting plate (4), a bearing seat (9) is arranged on the inner wall of the carriage body (1) and located on one side, the other end of the lead screw (8) is rotatably installed with the bearing seat (9), a limiting assembly is arranged on each of the hooks (5), and the limiting assembly comprises a limiting pin (10).
2. A refrigerated rail freight van according to claim 1, characterised in that: The limiting pin (10) is slidably arranged on the hook (5), one end of the hook (5) is fixedly provided with a stop lever (11), a positioning groove (12) is formed in the stop lever (11), one end of the limiting pin (10) is located in the positioning groove (12), and a sharp cone is arranged on the upper end of the stop lever (11).
3. A refrigerated rail freight van according to claim 2, characterised in that: The other end of the limiting pin (10) penetrates through the hook (5) and is provided with a pull block (13), a reset spring (14) is arranged on the inner wall of the pull block (13), and the other end of the reset spring (14) is fixedly installed with the outer wall of the hook (5).
4. A refrigerated rail freight van according to claim 1, characterized in that: A sleeve (15) is fixedly arranged on the lower end surface of the mounting sleeve (3) and located on one side, a supporting rod (16) is slidably arranged in the sleeve (15), a grounding foot (17) is fixedly arranged at the bottom of the supporting rod (16), and the grounding foot (17) is in contact with the bottom wall of the carriage body (1).
5. A refrigerated rail freight van according to claim 4, characterised in that: A locking hole (18) is formed in the outer wall of the sleeve (15) and located at the bottom, a locking screw (19) is arranged in the locking hole (18), an anti-skid line (20) is correspondingly arranged on the outer wall of the supporting rod (16), and one end of the locking screw (19) abuts against the anti-skid line (20).
6. A refrigerated rail freight van according to claim 1, characterized in that: A door (21) is hingedly arranged at the front end of the carriage body (1) and located on both sides.
7. A refrigerated rail freight van according to claim 1 wherein: A refrigeration assembly (22) is arranged on the inner wall of the carriage body (1) and located on both sides.
8. A refrigerated rail freight van according to claim 1, characterized by: A limiting rod (23) is fixedly arranged on the inner wall of the mounting sleeve (3) and located at the tail end, a limiting hole (24) is formed in the T-shaped sliding rail (2), and the limiting rod (23) is located in the limiting hole (24).