Two-section type vehicle-mounted refrigerator rack

Abstract

The utility model relates to the technical field of vehicle-mounted articles, in particular to a two-section type vehicle-mounted refrigerator rack which comprises a supporting frame, a sliding rail assembly movably connected with the supporting frame and a tray movably connected with the sliding rail assembly and used for carrying a refrigerator, and the supporting frame comprises a back plate and two side plates fixed to the two ends of the back plate respectively. The reinforcing plates are fixed to the two sides of the tray and the inner sides of the side plates, the connecting blocks are movably connected with the reinforcing plates, the reinforcing plates are provided with a plurality of rolling wheels arranged side by side, the front face and the back face of each connecting block are provided with first sliding grooves and second sliding grooves matched with the rolling wheels, and the rolling wheels are embedded into the first sliding grooves and the second sliding grooves to roll. The connecting block is arranged at the connecting position of the tray and the supporting frame, the reinforcing plates with the rollers are arranged on the tray and the side plates, the rollers are movably connected with the connecting block, and a rigid frame structure of the side plates and the back plate is matched, so that the structure is simplified, the production cost is reduced, and the structural rigidity can be improved.

Description

A two-section vehicle refrigerator rack Technical Field

[0001] This utility model relates to the field of vehicle-mounted products technology, and in particular to a two-section vehicle-mounted refrigerator rack. Background Technology

[0002] As living standards improve, people increasingly enjoy long-distance car trips after their busy work schedules. As refrigerators are used for storing food, people are also starting to prefer bringing them into their cars for use while traveling, and using car refrigerator racks to store them.

[0003] However, an existing Chinese utility model patent, "A Vehicle Refrigerator Rack" (application number: 201621347103.6), discloses a rack comprising a support frame, a first movable frame, and a second movable frame. The support frame includes a left side plate and a right side plate, wherein the left side plate and the right side plate are each provided with a plurality of first rollers. The first movable frame is mounted on the support frame and includes a front and a back. The front of the first movable frame is provided with a left guide rail and a right guide rail, each including a first track and a second track. The second movable frame is mounted on the first movable frame and includes a left side plate and a right side plate, wherein the left side plate and the right side plate are each provided with a plurality of second rollers. The first rollers are restricted to rolling within the first track, and the second rollers are restricted to rolling within the second track.

[0004] The above structure uses two movable frames that can be pulled out sequentially on the support frame. Although this can enhance the load-bearing capacity of the vehicle refrigerator rack, its structure is complex and its production cost is high. Summary of the Invention

[0005] The purpose of this utility model is to provide a two-section vehicle refrigerator rack, which addresses the shortcomings of the existing technology and aims to solve the technical problems of complex structure and high production cost of existing vehicle refrigerator racks.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a two-section vehicle-mounted refrigerator rack, including a support frame, a slide rail assembly movably connected to the support frame, and a tray movably connected to the slide rail assembly and used to carry the refrigerator. The support frame includes a back plate and two side plates respectively fixed to both ends of the back plate. The slide rail assembly includes reinforcing plates fixed to both sides of the tray and the inner side of the side plates, and connecting blocks movably connected to the reinforcing plates. The reinforcing plates are provided with a plurality of rollers arranged side by side. The front and back sides of the connecting blocks are provided with a first sliding groove and a second sliding groove adapted to the rollers. The rollers are embedded in the first sliding groove and the second sliding groove and roll.

[0007] The present invention is further configured such that: the connecting block is made of aluminum alloy and has an S-shaped cross-section, and both the first and second sliding grooves are provided with limiting members so that the limiting members contact the rollers at the ends of the reinforcing plate.

[0008] The present invention is further configured such that: the outer wall of the roller is provided with a roller groove, and the upper and lower walls of the first and second sliding grooves are provided with long protrusions, and the roller grooves and the long protrusions are matched.

[0009] The present invention is further configured such that: a first guide member is provided at the rear end of each side plate, the first slide groove is formed into a front section and a rear section by a limiting member, the first guide member and the rear section are arranged in the same straight line and correspond to each other, and the reinforcing plate of the side plate corresponds to the front section.

[0010] The present invention is further configured such that: a second guide is provided on both sides of the front end of the tray; the second slide groove forms a closed section and an open section through two limiting members; the second guide is arranged in the same straight line and corresponds to the open section; and the reinforcing plate of the tray corresponds to the closed section.

[0011] The present invention is further configured such that: the support frame also includes a bottom plate disposed on the bottom surface of the back plate and the side plate and a front plate disposed vertically at the front end of the bottom plate; a rotatable locking block is disposed on the inner side of the front end of the tray; the locking block includes a blocking part hinged to the tray and an adjusting part perpendicularly connected to the blocking part; an adjusting hole is disposed below the locking block corresponding to the front end of the tray; the blocking part passes through the adjusting hole and contacts the front plate; and the adjusting part is engaged with the tray.

[0012] The present invention is further configured such that: the tray is set above the bottom plate and the front plate, and the back plate has several anti-collision points on the side facing the tray.

[0013] The present invention is further configured such that: a number of buffer components are provided on the bottom surface of the rear end of the tray, and a number of buffer seats are provided on the bottom plate near the front plate, and the buffer components and buffer seats are adapted to each other.

[0014] The present invention is further configured such that: an arc-shaped groove and a first protrusion are sequentially provided on the side of the buffer member; two symmetrical clamping arms are provided on the buffer seat facing the buffer member; there is an accommodating area between the two clamping arms; a second protrusion is provided on the inner side of the end of the clamping arm; the buffer member is embedded in the accommodating area; and the second protrusion passes sequentially through the arc-shaped groove and the first protrusion so that the two clamping arms clamp the buffer member.

[0015] The present invention is further configured such that: a buffer post is provided at the front end of the buffer member, and an insertion groove is provided on the buffer seat. The insertion groove is connected to the receiving area, and two clamping arms are distributed on both sides of the insertion groove. The buffer post is embedded in the insertion groove.

[0016] Compared with the prior art, the beneficial effects of this application are:

[0017] 1. This application significantly improves load-bearing stability. Both the pallet and side panels are equipped with reinforced plate structures with several rollers, eliminating the need for the traditional two movable frames, simplifying the structure and reducing production costs. The connecting block is designed at the connection between the pallet edge and the side panel, increasing structural rigidity and effectively resisting the stress generated by the frequent pulling of the vehicle refrigerator. The fixed distributed roller bearing surface replaces the traditional variable single-point support structure, evenly distributing the refrigerator's weight to several contact points. Combined with the rigid frame structure of the side and back panels, it effectively prevents the refrigerator from shaking or tipping over due to vehicle bumps, making it especially suitable for off-road conditions or emergency braking scenarios.

[0018] 2. This application maximizes space utilization by adopting a two-section adjustable structure. Through the movable connection design of the connecting block to the tray and the support frame respectively, the tray is pulled out relative to the connecting block, which in turn drives the connecting block to continue to be pulled out relative to the support frame. This allows users to flexibly adjust the retraction or extension of the tray according to their needs, freeing up more space for carrying or storing items.

[0019] 3. This application balances ease of operation and safety. The rollers are embedded in the double slide grooves and work with the limiting components to form a limiting structure design. The rollers of the tray are closed between the two limiting components in the second slide groove to prevent them from coming out. When the connecting block slides, the limiting component of the first slide groove is blocked by the reinforcing plate of the side plate to ensure that the tray is fully pulled out. This can avoid the risk of the refrigerator falling due to misoperation of traditional slide rails. At the same time, the design of the rollers reduces friction, and users can easily complete the push and pull operation with one hand. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0021] Figure 1 is a schematic diagram of the structure of this utility model in a contracted state;

[0022] Figure 2 is one of the schematic diagrams of the present invention in an unfolded state;

[0023] Figure 3 is the second schematic diagram of the structure of this utility model in an unfolded state;

[0024] Figure 4 is a schematic diagram of the support frame in this utility model;

[0025] Figure 5 is a schematic diagram of the connecting block in this utility model from one perspective.

[0026] Figure 6 is a schematic diagram of the connecting block from another perspective in this utility model;

[0027] Figure 7 is a schematic diagram of the structure of the tray in this utility model;

[0028] Figure 8 is a schematic diagram of the structure of the reinforcing plate with rollers installed in this utility model;

[0029] Figure 9 is a schematic diagram of the structure of the buffer component and the buffer seat in this utility model.

[0030] The details of the reference numerals used in the above figures are as follows:

[0031] 1-Support frame, 11-Back plate, 111-Anti-collision point, 12-Side plate, 13-Bottom plate, 14-Front plate, 15-First guide component;

[0032] 2-Slide rail assembly, 21-Reinforcing plate, 22-Connecting block, 221-First slide groove, 222-Front section, 223-Rear section, 224-Second slide groove, 225-Closed section, 226-Open section, 23-Limiting component, 24-Roller, 241-Roll groove, 25-Long protrusion;

[0033] 3-Tray, 31-Adjustment hole, 32-Second guide;

[0034] 4-Locking block, 41-Blocking part, 42-Adjusting part;

[0035] 5-Buffer component, 51-Arc groove, 52-First protrusion, 53-Buffer post;

[0036] 6-Buffer seat, 61-Clamping arm, 62-Second protrusion, 63-Accommodation area, 64-Insertion slot. Detailed Implementation

[0037] In the description of this application, the term "several" refers to two or more (including two). Technical terms such as "first," "second," etc., are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly specifying the number, specific order, or primary / secondary relationship of the indicated technical features. Terms such as "installation," "connection," and "linking" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; "linking" can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0038] In the description of this application, the technical terms "upper", "lower", "front", "rear", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0039] In order to better understand the above-mentioned objectives, technical solutions and advantages of this application, the technical solutions of this application will be clearly and completely described below with reference to the accompanying drawings, and to understand in detail how to solve the problems raised in the background art.

[0040] As shown in Figures 1 to 9, a two-section vehicle refrigerator rack includes a support frame 1, a slide rail assembly 2 movably connected to the support frame 1, and a tray 3 movably connected to the slide rail assembly 2 and used to carry the refrigerator. The support frame 1 includes a back plate 11 and two side plates 12 respectively fixed to both ends of the back plate 11. The slide rail assembly 2 includes reinforcing plates 21 fixed to both sides of the tray 3 and the inner side of the side plates 12, and connecting blocks 22 movably connected to the reinforcing plates 21. The reinforcing plates 21 are provided with a plurality of rollers 24 arranged side by side. The front and back sides of the connecting blocks 22 are provided with a first sliding groove 221 and a second sliding groove 224 adapted to the rollers 24. The rollers 24 are embedded in the first sliding groove 221 and the second sliding groove 224 and roll.

[0041] Through the above solution, the load-bearing stability of the refrigerator rack is significantly improved. Both the tray 3 and the side panel 12 are equipped with a reinforcing plate 21 structure with several rollers 24, eliminating the need for the traditional two movable racks, simplifying the structure and reducing production costs. Furthermore, the connecting block 22 is designed at the side connection between the tray 3 and the side panel 12, increasing structural rigidity and effectively resisting the stress generated by the frequent pulling out of the vehicle refrigerator. The fixed distributed rollers 24 load-bearing surface replaces the traditional variable single-point support structure. That is, the reinforcing plate 21 can integrate several rollers 24 into one, which can evenly distribute the weight of the refrigerator to several contact points. Combined with the rigid frame structure of the side panel 12 and the back panel 11, it effectively prevents the refrigerator from shaking or tipping over due to vehicle bumps, which is especially suitable for off-road conditions or emergency braking scenarios.

[0042] As shown in Figures 2 and 3, the refrigerator rack of this application maximizes the space utilization by adopting a two-section adjustable structure. Through the movable connection design of the connecting block 22 with the tray 3 and the support frame 1 respectively, the tray 3 is pulled out relative to the connecting block 22 (one-stage unfolding), and then the tray 3 is pulled to drive the connecting block 22 to continue to be pulled out relative to the support frame 1 (two-stage unfolding). This allows the user to flexibly adjust the retraction or extension of the tray 3 according to their needs, freeing up more cargo or storage space in the vehicle.

[0043] This technical solution improves upon existing technology by eliminating the structure of two movable frames connected together. A connecting block 22 is installed between the tray 3 and the side plate 12, and reinforcing plates 21 are fixedly installed on both sides of the side plate 12 and the tray 3. In practical application, the tray 3 is first pulled, causing the reinforcing plates 21 on the tray 3 to slide forward along the connecting block 22, and the rollers 24 roll in the second slide groove 224, that is, the tray 3 is pulled out relative to the connecting block 22. At this time, the tray 3 is pulled further, causing the connecting block 22 to move forward relative to the reinforcing plates 21 of the side plate 12, and the rollers 24 roll in the first slide groove 221, completing the two-stage full extension of the tray 3, and the refrigerator shelf is in an unfolded state. When the refrigerator shelf needs to be retracted, the tray 3 is first pushed, and the tray 3 is pushed back relative to the connecting block 22. At this time, the tray 3 is pushed further, causing the connecting block 22 to continue to move backward relative to the reinforcing plates 21 of the side plate 12, and the tray 3 can be pulled back.

[0044] As shown in Figures 3, 5, and 6, in one improved embodiment, the connecting block 22 is made of aluminum alloy with an S-shaped cross-section. Limiting elements 23 are provided in both the first and second sliding grooves 221 and 224, allowing the limiting elements 23 to contact the rollers 24 at the ends of the reinforcing plate 21. Specifically, the connecting block 22 enhances structural strength. Made of aluminum alloy, it significantly improves strength, corrosion resistance, and processing performance, increasing the pressure or impact resistance of the moving parts while reducing overall weight. The first and second sliding grooves 221 and 224 are located on opposite sides of the connecting block 22; the first groove 221 faces the side plate 12 (lower front end), and the second groove 224 faces the tray 3 (upper back end), thus forming an S-shaped cross-section. Compared to traditional horizontally placed H-shaped sliding rails, the connecting block 22 enhances vertical load-bearing capacity and improves structural stability. One or two limiting elements 23 may be provided. In this embodiment, one roller 24 can be provided in the first slide groove 21 and two rollers 224 can be provided in the second slide groove 224. The roller 24 at the end of the reinforcing plate 21 abuts against the limiting member 23, thereby assisting the tray 3 to be pulled out or pushed back. The roller 24 is embedded in the double slide groove and cooperates with the limiting member 23 to form a limiting structure design. The roller 24 of the tray 3 is closed between the two limiting members 23 in the second slide groove 224 to prevent it from falling out. When the connecting block 22 slides, the limiting member 23 of the first slide groove 221 is blocked by the reinforcing plate 21 of the side plate 12 to ensure that the tray 3 is fully pulled out. This can avoid the risk of the refrigerator falling due to misoperation of the traditional slide rail. At the same time, the design of the roller 24 makes the friction small, and the user can easily complete the push and pull operation with one hand, taking into account both the convenience of operation and safety.

[0045] As shown in Figures 5, 6, and 8, in one specific embodiment of the improvement, the outer wall of the roller 24 is provided with a groove 241, and the upper and lower walls of the first groove 221 and the second groove 224 are provided with long protrusions 25, which match the groove 241 and the long protrusions 25. Specifically, the roller 24 is made of nylon material, which has both self-lubricating properties and wear resistance, significantly reducing abnormal noise generated by long-term use and extending service life. The roller 24 has a circular structure, and the reinforcing plate 21 and the roller 24 are fixedly installed on the tray 3 and the side plate 12 by screws and nuts. The long protrusions 25 are arc-shaped protrusions provided in the first groove 221 and the second groove 224, which can match the groove 241. The first groove 221 and the second groove 224 are rectangular grooves, and the roller 24 is embedded in the first groove 221 and the second groove 224, which can prevent the roller 24 from falling off or loosening. The long protrusions 25 can make the roller 24 conform to the specific shape. The fixed trajectory positioning and sliding, on the other hand, can lift the roller 24, avoiding direct contact between the roller 24 and the walls of the first slide groove 221 and the second slide groove 224, reducing the impact of sand and other impurities that may cause jamming, and making it easier to clean later; at the same time, in this embodiment, there is a limiting member 23 in the first slide groove 221 and two limiting members 23 in the second slide groove 224. Based on this, in some embodiments, the first slide groove 221 can also be set with the same structure as the second slide groove 224. Therefore, two closed slide groove structures can be formed on the connecting block 22, which can prevent sand and other impurities from entering and effectively solve the defect of easy jamming in traditional open slide rails.

[0046] As shown in Figures 3 to 5, in one specific embodiment of the improvement, a first guide member 15 is provided at the rear end of each side plate 12, and a first slide groove 221 is formed into a front section 222 and a rear section 223 by a limiting member 23. The first guide member 15 and the rear section 223 are arranged in the same straight line and correspond to each other, and the reinforcing plate 21 of the side plate 12 corresponds to the front section 222. Specifically, the first guide member 15 can be a structure of two rollers 24 arranged laterally on the same straight line, so that the structure of the first guide member 15 is adapted to the structure of the first slide groove 221, and the length of the front section 222 is greater than the length of the rear section 223. The reinforcing plate 21 of the side plate 12 moves within the front section 222. Based on this, when the refrigerator shelf retracts, the tray 3 slides relative to the side plate 12 at the same time as the connecting block 22 after completing a section of retraction. At this time, due to the long-term use of the tray 3 under the pressure of the refrigerator, the connecting block 22 is prone to loosening or tilting. When the connecting block 22 moves backward, the first guide member 15 is embedded in the rear section 223 of the first slide groove 221 with the assistance of the reinforcing plate 21 of the side plate 12, so that the connecting block 22 has a guiding and correcting function when it is fully retracted to the support frame 1. After the refrigerator shelf is retracted, since the first guide member 15 is fixed to the side plate 12 and embedded in the rear section 223, it can also increase the bearing point for bearing the weight of the refrigerator, improve the structural strength and bearing capacity.

[0047] As shown in Figures 3, 6 and 7, in one specific embodiment of the improvement, the front two sides of the tray 3 are provided with second guide members 32, and the second slide 224 forms a closed section 225 and an open section 226 through two limiting members 23. The second guide members 32 and the open section 226 are arranged in the same straight line and correspond to each other. The reinforcing plate 21 of the tray 3 corresponds to the closed section 225. Specifically, the second guide member 32 can also be a structure of two horizontally arranged rollers 24 on the same straight line, so that the second guide member 32 can be adapted to the structure of the second slide 224, and the length of the closed section 225 is greater than the length of the open section 226. The reinforcing plate 21 of the tray 3 moves within the closed section 225. Based on this, when the refrigerator shelf retracts, the tray 3 first slides relative to the connecting block 22 until the tray 3 and the connecting block 22 are vertically aligned. Since the tray 3 carrying the refrigerator is pulled out relative to the support frame 1 and the connecting block 22 when the refrigerator shelf is unfolded, the pressure of the refrigerator can easily cause the front end of the tray 3 to tilt and press down. When the tray 3 begins to move backward and retract, the second guide member 32 is embedded in the open section 226 of the second slide 224 with the assistance of the reinforcing plate 21 of the tray 3, so that the tray 3 has a guiding and correcting effect when it retracts to the connecting block 22. Furthermore, after the refrigerator shelf is fully retracted, since the second guide member 32 is fixed to the tray 3 and embedded in the open section 226, it can also increase the load-bearing points of the refrigerator's weight, improve the structural strength and load-bearing capacity.

[0048] As shown in Figures 1 to 3 and Figure 7, as an improved specific embodiment, the support frame 1 further includes a bottom plate 13 disposed on the bottom surface of the back plate 11 and the side plate 12, and a front plate 14 disposed vertically at the front end of the bottom plate 13. A rotatable locking block 4 is provided on the inner side of the front end of the tray 3. The locking block 4 includes a blocking part 41 hinged to the tray 3 and an adjusting part 42 perpendicularly connected to the blocking part 41. An adjusting hole 31 is provided below the locking block 4 corresponding to the front end of the tray 3. The blocking part 41 passes through the adjusting hole 31 and contacts the front plate 14. The adjusting part 42 is engaged with the tray 3. Specifically, the support frame 1 is a rectangular frame with openings at the top and bottom. The base plate 13 is an annular frame. The back plate 11 and side plates 12 are perpendicular to the base plate 13. The locking block 4 is installed on the front end of the tray 3 by screws so that the locking block 4 can rotate. The blocking part 41 is an L-shaped arc block. The blocking part 41 is hinged to the front frame of the tray 3. The blocking part 41 extends downward through the adjustment hole 31 and contacts the inner side of the front plate 14. The adjustment part 42 extends forward and extends out of the tray 3. Based on this, when using the refrigerator rack, the adjustment part 42 can be moved from bottom to top to move the lower end of the blocking part 41 upward until it is separated from the front plate 14, thereby releasing the tray 3 relative to the support frame 1. Then, the tray 3 can be pulled out into an unfolded state. When the tray 3 is pulled back into a retracted state, the adjustment part 42 can be moved from top to bottom. At this time, the lower end of the blocking part 41 enters the inner side of the front plate 14, thereby locking the tray 3 relative to the support frame 1. This can prevent the refrigerator rack from shaking and shifting when it is retracted, making it convenient for transportation and use.

[0049] As shown in Figures 3 and 4, in one specific embodiment of the improvement, the tray 3 is positioned above the base plate 13 and the front plate 14, and the back plate 11 has several anti-collision points 111 on its side facing the tray 3. Specifically, the height of the front plate 14 is less than the height of the tray 3 within the back plate 11 and side plate 12, allowing the tray 3 to be pulled out or pulled back. The anti-collision points 111 are made of rubber and can be embedded in the back plate 11 by having several mounting holes. The height of the anti-collision points 111 corresponds to the side of the tray 3, thus reducing the impact force when the tray 3 retracts and preventing direct collision between the tray 3 and the back plate 11, which could cause the refrigerator to shake.

[0050] As shown in Figures 4, 7, and 9, in one specific embodiment of the improvement, a plurality of buffer elements 5 are provided on the bottom surface of the rear end of the tray 3, and a plurality of buffer seats 6 are provided on the bottom plate 13 near the front plate 14. The buffer elements 5 and the buffer seats 6 are adapted to each other. Specifically, both the buffer elements 5 and the buffer seats 6 can be made of plastic. The buffer seats 6 and the buffer elements 5 are arranged in a straight line front to back. Two pairs of buffer elements 5 and buffer seats 6 are provided and symmetrically distributed, which reduces the impact force after the tray 3 is pulled out. Furthermore, the combination of the buffer elements 5 and the buffer seats 6 achieves the limitation and stillness of the tray 3 after it is pulled out, thereby preventing the refrigerator from shaking or deviating.

[0051] As shown in Figure 9, in one specific embodiment of the improvement, the buffer member 5 is provided with an arc-shaped groove 51 and a first protrusion 52 on its side. The buffer seat 6 is provided with two symmetrical clamping arms 61 facing the buffer member 5. There is a receiving area 63 between the two clamping arms 61. A second protrusion 62 is provided on the inner side of the front end of the clamping arm 61. The buffer member 5 is embedded in the receiving area 63. The second protrusion 62 passes through the arc-shaped groove 51 and the first protrusion 52 in sequence, so that the two clamping arms 61 clamp the buffer member 5. Specifically, since both the buffer 5 and the buffer seat 6 are made of plastic, the clamping arm 61 of the buffer seat 6 is elastic. The first protrusion 52 and the second protrusion 62 are both arc-shaped protrusions. The buffer 5 is a rectangular block. The first protrusion 52 and the arc-shaped groove 51 are set on the left and right sides of the buffer 5. The structure of the receiving area 63 is compatible with that of the buffer 5. Therefore, when the tray 3 is pulled out and the buffer 5 is pulled into the receiving area 63, the second protrusion 62 cooperates with the arc-shaped groove 51 and the first protrusion 52 in turn to reduce the impact force until the first protrusion 52 is also embedded in the receiving area 63. The clamping arm 61 clamps the buffer 5. The second protrusion 62 and the first protrusion 52 cooperate to limit and fix the tray 3 after it is pulled out, so as to prevent the refrigerator from moving back or shaking during use.

[0052] As shown in Figure 9, in one specific embodiment of the improvement, the buffer member 5 is provided with a buffer post 53 at its front end, and the buffer seat 6 is also provided with an insertion groove 64. The insertion groove 64 is connected to the receiving area 63, and two clamping arms 61 are distributed on both sides of the insertion groove 64. The buffer post 53 is embedded in the insertion groove 64. Specifically, both the buffer post 53 and the insertion groove 64 are cylindrical. The insertion groove 64 is located at the front end of the buffer seat 6. When the buffer member 5 is embedded in the receiving area 63, the buffer post 53 is embedded in the insertion groove 64 and makes contact with the buffer seat 6, further reducing the impact force, thereby achieving precise positioning and avoiding left and right swaying. Of course, when the tray 3 is pushed and retracts, the buffer member 5 can be withdrawn from the receiving area 63 of the buffer seat 6. The operation is simple and highly practical.

[0053] As shown in Figures 1 and 2, in this embodiment, the bottom plate 13 and the tray 3 are both provided with interconnected through holes in their centers. When the refrigerator is placed on the tray 3, the air circulation efficiency is improved, thereby enhancing the heat dissipation effect.

[0054] Finally, it should be noted that the above description is only a preferred embodiment of this utility model, and the protection scope of this utility model is not limited to the above embodiments. All technical solutions within the scope of this utility model's concept are within the protection scope of this utility model. It should be pointed out that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A two-stage vehicle-mounted refrigerator rack characterized by comprising: The refrigerator includes a support frame, a slide rail assembly movably connected to the support frame, and a tray movably connected to the slide rail assembly for mounting the refrigerator. The support frame includes a back plate and two side plates respectively fixed to both ends of the back plate. The slide rail assembly includes reinforcing plates fixed to both sides of the tray and the inner side of the side plates, and connecting blocks movably connected to the reinforcing plates. The reinforcing plates are provided with a plurality of rollers arranged side by side. The front and back sides of the connecting blocks are provided with a first sliding groove and a second sliding groove adapted to the rollers. The rollers are embedded in the first sliding groove and the second sliding groove and roll.

2. The two-stage vehicle-mounted refrigerator rack according to claim 1, characterized in that, The connecting block is made of aluminum alloy and has an S-shaped cross-section. Both the first and second sliding grooves are provided with limiting members so that the limiting members contact the rollers at the ends of the reinforcing plate.

3. The two-stage vehicle-mounted refrigerator rack according to claim 2, characterized in that, The outer wall of the roller is provided with a groove, and the upper and lower walls of the first and second grooves are provided with long protrusions, and the groove matches the long protrusions.

4. The two-stage vehicle-mounted refrigerator rack according to claim 2, characterized in that, Each of the side plates has a first guide member at its rear end. The first slide groove is formed into a front section and a rear section by a limiting member. The first guide member is arranged in the same straight line as the rear section and corresponds to it. The reinforcing plate of the side plate corresponds to the front section.

5. A two-section vehicle-mounted refrigerator rack according to claim 2, characterized in that, The front end of the tray is provided with a second guide member on both sides. The second slide groove forms a closed section and an open section through the two limiting members. The second guide member is arranged in the same straight line and corresponds to the open section. The reinforcing plate of the tray corresponds to the closed section.

6. A two-section vehicle-mounted refrigerator rack according to claim 1, characterized in that, The support frame further includes a base plate disposed on the bottom surface of the back plate and the side plate, and a front plate vertically disposed at the front end of the base plate. A rotatable locking block is disposed on the inner side of the front end of the tray. The locking block includes a blocking part hinged to the tray and an adjusting part vertically connected to the blocking part. An adjusting hole is disposed below the locking block corresponding to the front end of the tray. The blocking part passes through the adjusting hole and contacts the front plate. The adjusting part is engaged with the tray.

7. A two-stage vehicle-mounted refrigerator rack according to claim 6, characterized in that, The tray is positioned above the base plate and the front plate, and the back plate has several anti-collision points on its side facing the tray.

8. The two-stage vehicle-mounted refrigerator rack according to claim 6, characterized in that, The bottom surface of the rear end of the tray is provided with several buffer components, and the bottom plate is provided with several buffer seats near the front plate. The buffer components are adapted to the buffer seats.

9. A two-section vehicle refrigerator rack according to claim 8, characterized in that, The buffer component has an arc-shaped groove and a first protrusion arranged sequentially on its side. The buffer seat has two symmetrical clamping arms facing the buffer component. There is a receiving area between the two clamping arms. A second protrusion is arranged on the inner side of the end of the clamping arm. The buffer component is embedded in the receiving area. The second protrusion passes through the arc-shaped groove and the first protrusion in sequence, so that the two clamping arms clamp the buffer component.

10. A two-section vehicle refrigerator rack according to claim 9, characterized in that, The buffer component has a buffer post at its front end, and the buffer seat also has an insertion slot. The insertion slot is connected to the receiving area. The two clamping arms are distributed on both sides of the insertion slot, and the buffer post is embedded in the insertion slot.

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