Width-adjustable auxiliary frame structure of refrigerator car

Abstract

The utility model discloses a width-adjustable auxiliary frame structure of a refrigerator car, relates to the technical field of auxiliary frames, and aims to solve the problems that the development cost of a single car is very high, the development cost is high, the development cost is low and the like due to the facts that the models of refrigerator cars on the market are more, and corresponding container auxiliary frames need to be matched with chassis of a plurality of car models and each car model needs to be independently matched with an auxiliary frame. And the cost of the whole vehicle is high. According to the key points of the technical scheme, a left longitudinal beam and a right longitudinal beam are included, a first cross beam is welded to one side of the left longitudinal beam, a second cross beam is welded to one side of the right longitudinal beam, the width of the second cross beam is larger than that of the first cross beam, the first cross beam is slidably connected into the second cross beam, and a plurality of first kidney-shaped grooves are formed in the surfaces of the first cross beam and the second cross beam; the number of the kidney-shaped grooves formed in the surface of the first cross beam corresponds to that of the first kidney-shaped grooves formed in the surface of the second cross beam, and a plurality of hexagon bolts are arranged on the first cross beam. The utility model aims to provide a width-adjustable auxiliary frame structure of a refrigerator car.

Description

TECHNICAL FIELD

[0001] The utility model relates to a subframe structure, more specifically, it relates to a width adjustable refrigerated vehicle subframe structure. BACKGROUND

[0002] The emergence of the refrigerated vehicle subframe structure is mainly due to the particularity of the refrigerated vehicle operating conditions and the high requirements on vehicle performance. By introducing the subframe structure, the refrigerated vehicle can better adapt to complex road conditions, maintain the temperature stability in the carriage, improve the carrying capacity, and enhance the durability and other performances. At the same time, with the continuous progress of automobile manufacturing technology and the promotion of material innovation, the subframe structure is also in continuous optimization and development.

[0003] On the market, there are many models of refrigerated vehicles, and the corresponding cargo box subframes need to match the chassis of multiple vehicle models. Each vehicle model needs a separate subframe, which will result in high single vehicle development costs and high overall vehicle costs.

[0004] Therefore, there is an urgent need for a new technical solution to solve the above technical problems. INVENTION CONTENTS

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a width adjustable refrigerated vehicle subframe structure.

[0006] The above technical purpose of the utility model is realized by the following technical scheme: a width adjustable refrigerated vehicle subframe structure, characterized by: comprising a left longitudinal beam and a right longitudinal beam, a first cross beam is welded on one side of the left longitudinal beam, a second cross beam is welded on one side of the right longitudinal beam, the width of the second cross beam is greater than that of the first cross beam, the first cross beam is slidingly connected to the inside of the second cross beam, a plurality of first waist type grooves are formed on the surface of the first cross beam and the second cross beam, the number of the first waist type grooves formed on the surface of the first cross beam corresponds to that of the second cross beam, and a plurality of hexagonal bolts are arranged on the first cross beam.

[0007] By adopting the above technical scheme: the left longitudinal beam and the right longitudinal beam of the subframe are connected by the first cross beam and the second cross beam, and the first cross beam can slide inside the second cross beam, thereby realizing the adjustability of the width of the subframe. This design enables the refrigerated vehicle to be adjusted according to the width requirements of different goods, improving the adaptability and flexibility of the vehicle. The first cross beam and the second cross beam are both provided with a plurality of first waist type grooves, and the number of the first waist type grooves corresponds. This design enables the hexagonal bolts to conveniently pass through the waist type grooves to fix the first cross beam at different positions on the second cross beam. This mounting method can ensure the stability and reliability of the subframe structure. At the same time, the design of the waist type groove also provides a certain adjustment range, making the installation process more flexible.

[0008] The utility model further sets up: the both ends of first crossbeam outside are equipped with positioning slot, the both ends of second crossbeam inside are equipped with the positioning rod that can insert into positioning slot.

[0009] The utility model further sets up: the top of first crossbeam is equipped with a plurality of limiting slot, limiting slot penetrates to positioning rod, first crossbeam surface is equipped with the slot, the top of slot is linked together with limiting slot, the top of first crossbeam is provided with limiting bolt, limiting bolt one end can insert into positioning rod, and its other end inserts into the slot.

[0010] The utility model further sets up: first crossbeam bottom is equipped with the sliding slot, the surface of second crossbeam is provided with sliding plate, the sliding plate can insert into sliding slot, a plurality of round through -hole are equipped on the sliding plate, and the round through -hole can cooperate with first waist type groove.

[0011] The utility model further sets up: the both ends of first crossbeam top are welded with a first connecting rod, and the other side of first connecting rod is welded to the surface of left longitudinal beam.

[0012] The utility model further sets up: the both ends of second crossbeam top are welded with a second connecting rod, and the other side of second connecting rod is welded to the surface of right longitudinal beam.

[0013] The utility model further sets up: the surface of first crossbeam is provided with a connecting plate, and the connecting plate is equipped with the second waist type groove corresponding to first waist type groove.

[0014] The utility model further sets up: the surface of connecting plate is provided with bolt washer.

[0015] The utility model further sets up: the one side of left longitudinal beam is provided with connecting pipe, and the connecting pipe is threadedly connected with screw rod, and one end of screw rod penetrates right longitudinal beam.

[0016] The utility model has the advantages of the following: 1. through the sliding connection design of first crossbeam in the inside of second crossbeam, and cooperate first waist type groove and hexagon bolt, can conveniently adjust the width of frame. This design makes the refrigerated vehicle can load different width goods according to actual need, improves the flexibility and applicability of vehicle.

[0017] 2. the design of sliding slot and sliding plate makes the width adjustment of frame become more simple and convenient, and through sliding sliding plate and adjusting the position of hexagon bolt, can quickly complete the width adjustment of frame, improves work efficiency.

[0018] 3. the design of positioning slot of both ends of first crossbeam outside and positioning rod of inside of second crossbeam ensures the positioning accuracy of first crossbeam and second crossbeam in the process of sliding connection.

[0019] 4. The design of the first connecting rod and the second connecting rod further enhances the connection strength between the left longitudinal beam and the right longitudinal beam and the first cross beam and the second cross beam.

[0020] 5. The screw rod can be rotated through the screw thread to accurately adjust the distance between the left longitudinal beam and the right longitudinal beam. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a schematic view of the three-dimensional structure of the embodiment;

[0022] Figure 2 is a schematic view of the three-dimensional structure of the embodiment Figure 1 is a schematic view of the three-dimensional structure of the embodiment

[0023] Figure 3 is a schematic view of the three-dimensional structure of the embodiment

[0024] Figure 4 is a schematic view of the three-dimensional structure of the embodiment

[0025] Figure 5 is a schematic view of the three-dimensional structure of the embodiment

[0026] BRIEF DESCRIPTION OF DRAWINGS: 1, left longitudinal beam; 2, right longitudinal beam; 3, first cross beam; 4, second cross beam; 5, first waist-shaped groove; 6, hexagonal bolt; 7, sliding groove; 8, sliding plate; 9, circular through hole; 10, positioning groove; 11, positioning rod; 12, limiting groove; 13, slotted; 14, limiting bolt; 15, first connecting rod; 16, second connecting rod; 17, connecting plate; 18, second waist-shaped groove; 19, bolt washer; 20, connecting pipe; 21, screw rod. DETAILED DESCRIPTION

[0027] The utility model will be further described in detail below in combination with the drawings.

[0028] Wherein, same parts are indicated by same reference numerals. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "bottom surface" and "top surface", "inner" and "outer" refer to the directions towards or away from the geometric center of a particular component.

[0029] As Figures 1 to 5As shown, a width-adjustable refrigerated truck subframe structure includes a left longitudinal beam 1 and a right longitudinal beam 2, the left longitudinal beam 1 is welded with a first cross beam 3 on one side, the right longitudinal beam 2 is welded with a second cross beam 4 on one side, the width of the second cross beam 4 is greater than that of the first cross beam 3, the first cross beam 3 is slidingly connected to the inside of the second cross beam 4, and a plurality of first waist-shaped grooves 5 are formed on the surfaces of the first cross beam 3 and the second cross beam 4, the number of the waist-shaped grooves formed on the surface of the first cross beam 3 corresponds to that of the first waist-shaped grooves 5 formed on the surface of the second cross beam 4, and a plurality of hexagonal bolts 6 are arranged on the first cross beam 3.

[0030] In use, the left longitudinal beam 1 and the right longitudinal beam 2 are pulled to increase the distance between the first cross beam 3 and the second cross beam 4, when the desired width is reached, the first waist-shaped grooves 5 on the first cross beam 3 and the second cross beam 4 are corresponded, and then the first cross beam 3 and the second cross beam 4 are fixed by the hexagonal bolts 6 and nuts.

[0031] The left longitudinal beam 1 and the right longitudinal beam 2 of the subframe are connected by the first cross beam 3 and the second cross beam 4, and the first cross beam 3 can slide in the second cross beam 4, thereby realizing the adjustability of the width of the subframe; this design enables the refrigerated truck to be adjusted according to the width requirements of different goods, improving the adaptability and flexibility of the vehicle; the surfaces of the first cross beam 3 and the second cross beam 4 are both provided with a plurality of first waist-shaped grooves 5, and the number of the first waist-shaped grooves 5 corresponds to that of the waist-shaped grooves formed on the surface of the second cross beam 4. Such a design enables the hexagonal bolts 6 to conveniently pass through the waist-shaped grooves to fix the first cross beam 3 at different positions on the second cross beam 4, and this installation method can ensure the stability and reliability of the subframe structure; at the same time, the design of the waist-shaped grooves also provides a certain adjustment range, making the installation process more flexible.

[0032] Positioning grooves 10 are formed at both ends of the outside of the first cross beam 3, and positioning rods 11 that can be inserted into the positioning grooves 10 are arranged at both ends of the inside of the second cross beam 4.

[0033] The design of the positioning grooves 10 and the positioning rods 11 enables the first cross beam 3 to be accurately positioned inside the second cross beam 4, avoiding deviations caused by improper installation.

[0034] A plurality of limiting grooves 12 are formed downward on the top of the first cross beam 3, the limiting grooves 12 penetrate into the positioning rods 11, a slot 13 is formed on the surface of the first cross beam 3, the slot 13 is in communication with the top of the limiting grooves 12, a limiting latch 14 is arranged on the top of the first cross beam 3, one end of the limiting latch 14 can be inserted into the positioning rods 11, and the other end of the limiting latch 14 is inserted into the slot 13.

[0035] After the first cross beam 3 and the second cross beam 4 are elongated to the specified width, the shaking and the deviation can cause the width between the first cross beam 3 and the second cross beam 4 to change. In order to reduce the deviation of the width and reduce the shaking, after being elongated to the specified width, the width is first fixed by using the limiting slot 12 and the limiting pin 14, so as to keep the stability of the width. Meanwhile, the depth of the slot 13 is opened downward to the position of the surface of the second cross beam 4, one end of the slot 13 is inserted into the positioning rod 11 to play a limiting role, and the other end of the slot 13 is inserted into the slot 13 and can be in contact with the surface of the second cross beam 4, which facilitates the taking of the limiting pin 14 when disassembling.

[0036] The first cross beam 3 is provided with a sliding groove 7 at the bottom, and the second cross beam 4 is provided with a sliding plate 8 on the surface. The sliding plate 8 can be inserted into the sliding groove 7. A plurality of circular through holes 9 are formed on the sliding plate 8, and the circular through holes 9 can be matched with the first waist-shaped groove 5.

[0037] The close cooperation between the sliding groove 7 and the sliding plate 8 and the cooperation between the first waist-shaped groove 5 and the circular through hole 9 ensure the stability of the vehicle frame during the width adjustment process. This design prevents the shaking of the vehicle frame during transportation. The cooperation between the circular through hole 9 and the first waist-shaped groove 5 can quickly position, reach the required width, and quickly fix the first cross beam 3 and the second cross beam 4.

[0038] A first connecting rod 15 is welded at both ends of the top of the first cross beam 3, and the other side of the first connecting rod 15 is welded to the surface of the left longitudinal beam 1.

[0039] A second connecting rod 16 is welded at both ends of the top of the second cross beam 4, and the other side of the second connecting rod 16 is welded to the surface of the right longitudinal beam 2.

[0040] The first cross beam 3, the left longitudinal beam 1, and the first connecting rod 15 are mutually welded, the second cross beam 4, the right longitudinal beam 2, and the second connecting rod 16 are mutually welded, and these components are mutually welded to form a stable triangular structure. The triangular structure has excellent anti-deformation ability and is conducive to improving the overall structural strength of the mechanism.

[0041] A connecting plate 17 is arranged on the surface of the first cross beam 3, and the connecting plate 17 is provided with a second waist-shaped groove 18 corresponding to the first waist-shaped groove 5.

[0042] The connecting plate 17 is matched with the hexagonal bolt 6 through the second waist-shaped groove 18 on the connecting plate 17, which not only more firmly connects the first cross beam 3 and the second cross beam 4 together, but also enhances the stability and the bearing capacity of the entire auxiliary frame structure. Since the connecting plate 17 is connected with the bolt through the waist-shaped groove, this connection mode allows the relative position between the cross beams to be changed by adjusting the position of the bolt when needed, so as to adjust the width of the auxiliary frame.

[0043] The surface of the connecting plate 17 is provided with a bolt washer 19; the bolt washer 19 can increase the friction between the threads, and the hexagonal bolt 6 is used in cooperation with the bolt washer 19, so that the connection between the hexagonal bolt 6 and the connecting plate 17 is more firm and stable.

[0044] The left side of the left longitudinal beam 1 is provided with a connecting pipe 20, the connecting pipe 20 is threadedly connected with a screw rod 21, and one end of the screw rod 21 penetrates the right longitudinal beam 2.

[0045] The screw rod 21 can be rotated through threads to accurately adjust the distance between the left longitudinal beam 1 and the right longitudinal beam 2, and when adjusted to a specified position through the screw rod 21, the width between the left longitudinal beam 1 and the right longitudinal beam 2 can be fixed in cooperation with the bolt.

[0046] Working principle: the distance between the left longitudinal beam 1 and the right longitudinal beam 2 is adjusted by rotating the screw rod 21, so that the first cross beam 3 and the second cross beam 4 reach a predetermined width, at the same time, the positioning rod 11 is displaced, after reaching the predetermined width, the limiting bolt 14 is inserted into the limiting slot 12, the limiting bolt 14 first fixes the width between the first cross beam 3 and the second cross beam 4, the first waist-shaped groove 5, the second waist-shaped groove 18 and the circular through hole 9 correspond, and then the hexagonal bolt 6 and the nut are used to lock the first cross beam 3 and the second cross beam 4 which are pulled apart.

[0047] The specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, and the person skilled in the art can make a modification without creative contribution according to the needs after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A width-adjustable refrigerated vehicle subframe structure, characterized by: The utility model provides a left side welding has first crossbeam (3) of left longitudinal beam (1) and right longitudinal beam (2) one side welding has second crossbeam (4), the width of second crossbeam (4) is greater than first crossbeam (3), first crossbeam (3) is connected in the inside of second crossbeam (4) slidingly, the surface of first crossbeam (3) and second crossbeam (4) are all provided with a plurality of first waist type groove (5), the waist type groove of first crossbeam (3) surface sets up and the first waist type groove (5) of second crossbeam (4) surface sets up the quantity corresponding, a plurality of hexagon bolts (6) are arranged on first crossbeam (3).

2. The width-adjustable refrigerated vehicle subframe structure according to claim 1, characterized in that: The both ends of the outside of the first crossbeam (3) are provided with positioning grooves (10), and the both ends of the inside of the second crossbeam (4) are provided with positioning rods (11) which can be inserted into the positioning grooves (10).

3. A width adjustable refrigerated vehicle subframe structure according to claim 2, characterised in that: The top of the first crossbeam (3) is provided with a plurality of limiting grooves (12) which penetrate into the positioning rods (11), and the surface of the first crossbeam (3) is provided with a slot (13) which is in communication with the top of the limiting grooves (12); the top of the first crossbeam (3) is provided with a limiting bolt (14) which has one end inserted into the positioning rod (11) and the other end inserted into the slot (13).

4. The width-adjustable refrigerated vehicle subframe structure of claim 3, wherein: The bottom of the first crossbeam (3) is provided with a sliding groove (7), the surface of the second crossbeam (4) is provided with a sliding plate (8) which can be inserted into the sliding groove (7), and the sliding plate (8) is provided with a plurality of circular through holes (9) which can be matched with the first waist type grooves (5).

5. A width adjustable refrigerated vehicle subframe structure according to claim 4, characterised in that: The top of the first crossbeam (3) is welded with a first connecting rod (15) at both ends, and the other side of the first connecting rod (15) is welded to the surface of the left longitudinal beam (1).

6. A width adjustable refrigerated vehicle subframe structure according to claim 5, characterised in that: The top of the second crossbeam (4) is welded with a second connecting rod (16) at both ends, and the other side of the second connecting rod (16) is welded to the surface of the right longitudinal beam (2).

7. A width adjustable refrigerated vehicle subframe structure according to claim 6, characterised in that: The surface of the first crossbeam (3) is provided with a connecting plate (17) which is provided with a second waist type groove (18) corresponding to the first waist type grooves (5).

8. A width adjustable refrigerated vehicle subframe structure according to claim 7, characterised in that: The surface of the connecting plate (17) is provided with a bolt washer (19).

9. A width adjustable refrigerated vehicle subframe structure according to claim 8, characterised in that: The left longitudinal beam (1) is provided with a connecting pipe (20) on one side, the connecting pipe (20) is threadedly connected with a screw rod (21), and one end of the screw rod (21) penetrates through the right longitudinal beam (2).

Images