Aluminum alloy frame for automotive LNG (Liquefied Natural Gas) cylinder

Abstract

The utility model provides an automotive LNG gas cylinder aluminum alloy frame which comprises a main frame body, a mounting cavity is formed in the inner side of the main frame body, a gear is mounted in the mounting cavity, a rack is meshed with one side of the gear, two sets of connecting rods are symmetrically and fixedly mounted at the bottom end of the rack, connecting shafts are fixedly mounted on one sides of the two sets of connecting rods, and the connecting shafts are fixedly connected with the rack. The outer sides of the two sets of connecting shafts are rotationally connected with connecting rings, one sides of the two sets of connecting rings are fixedly provided with first connecting rods, and one ends of the two sets of first connecting rods are fixedly provided with connecting bases. Through cooperation of the worm gear, the worm and the handle, the gear can be conveniently and flexibly driven to rotate, the gear drives the rack to move, the rack drives the first connecting rod and the second connecting rod to rotate, finally, the clamping jaw is driven to move, and an LNG cylinder is fixed to the main frame body; the tedious operation that an operator fixes the LNG cylinder on the main frame body through a fastener is avoided, and the convenience of the product is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of LNG gas cylinder frames, and more specifically, particularly relates to an aluminum alloy frame for a vehicle LNG gas cylinder. Background Art

[0002] LNG is the abbreviation of liquefied natural gas. Natural gas is liquefied by cooling it to below -162°C. The gas is colorless and odorless, and is a very clean energy source. It has gradually become one of the most popular main energy sources in the new energy vehicle market. With the innovation of technology, people are gradually using liquefied natural gas as fuel instead of diesel and gasoline to reduce pollution to the environment. LNG is mostly stored in LNG cylinders, and the cylinders are fixed to the vehicle through aluminum alloy frames. However, the existing cylinder fixing method usually uses multiple sets of fasteners in combination with multiple sets of fastening belts to fix the cylinders on the aluminum alloy frame, which is cumbersome to operate during installation and later maintenance of the cylinders. Therefore, in view of this, the existing structure and defects are studied and improved, and an aluminum alloy frame for LNG cylinders for vehicles is provided, in order to achieve a more practical purpose. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides an aluminum alloy frame for LNG cylinders for vehicles, which is achieved by the following specific technical means:

[0004] A vehicle LNG cylinder aluminum alloy frame comprises a main frame, an installation chamber is provided on the inner side of the main frame, a gear is installed in the installation chamber, a rack is meshed on one side of the gear, two groups of connecting rods are symmetrically fixedly installed on the bottom end of the rack, a connecting shaft is fixedly installed on one side of the two groups of connecting rods, a connecting ring is rotatably connected to the outer side of the two groups of connecting shafts, a connecting rod 1 is fixedly installed on one side of the two groups of connecting rings, a connecting seat is fixedly installed on one end of the two groups of connecting rod 1, a connecting seat is fixedly installed on the outer side of the two groups of connecting seats, a clamp is fixedly installed on one end of the two groups of connecting rod 2; a fixed shaft is rotatably connected to the inner side of the two groups of connecting seats, and both ends of the two groups of fixed shafts are fixedly connected to the inner wall of the installation chamber.

[0005] Furthermore, the main frame is made of aluminum alloy; the connecting rod 1 and the connecting rod 2 are connected in a V shape; the clamping jaws are arranged on both sides of the top of the main frame, and the side surfaces of the clamping jaws and the top surface of the main frame are both arranged as arc surfaces.

[0006] Furthermore, rubber sheets are fixedly bonded at the contact points between the main frame and the clamping jaws and the LNG cylinder.

[0007] Furthermore, a guide groove is provided on the rack, and the guide groove is matched with a guide rail, and one end of the guide rail is fixedly connected to one side of the inner wall of the installation chamber.

[0008] Furthermore, a rotating shaft is fixedly mounted on the inner center of the gear, a worm wheel is fixedly mounted on the outer side of the rotating shaft, and a worm is meshed on one side of the worm wheel.

[0009] Furthermore, both ends of the rotating shaft are rotatably connected to the inner wall of the installation chamber.

[0010] Furthermore, one end of the worm is rotatably connected to one side of the inner wall of the installation chamber, and the other end of the worm is fixedly connected to a transmission rod. A through hole is provided on one side of the main frame, and one end of the transmission rod passes through the through hole and is fixedly connected to a handle.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The utility model can realize convenient and flexible rotation of the driving gear through the cooperation of the worm gear, the worm and the handle, and drive the rack to move through the gear, and the rack drives the connecting rod one and the connecting rod two to rotate, and finally drives the clamping claw to move and fix the LNG cylinder to the main frame, avoiding the tedious operation of the operator to fix the LNG cylinder to the main frame with fasteners, thereby increasing the convenience of the product; through the cooperation of the rubber sheet, the main frame and the clamping claw, it can be achieved that the impact force on the LNG cylinder can be reduced during the driving of the vehicle, thereby increasing the safety of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0014] Figure 2 It is a schematic diagram of the installation chamber structure of the utility model.

[0015] Figure 3 It is a schematic diagram of the gear and rack structure of the utility model.

[0016] Figure 4 It is a structural schematic diagram of a connecting shaft and a connecting ring of the utility model.

[0017] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0018] 1. Main frame; 2. Gear; 3. Rack; 4. Connecting rod; 5. Connecting shaft; 6. Connecting ring; 7. Connecting rod 1; 8. Connecting seat; 9. Connecting rod 2; 10. Clamp; 11. Rotating shaft; 12. Worm wheel; 13. Worm; 14. Transmission rod; 15. Handle; 16. Fixed shaft; 17. Guide rail. DETAILED DESCRIPTION

[0019] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0020] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] As attached Figure 1 To Attachment Figure 4 As shown:

[0023] The utility model provides an aluminum alloy frame for a vehicle LNG cylinder, comprising a main frame body 1, an installation chamber is provided on the inner side of the main frame body 1, a gear 2 is installed in the installation chamber, a rack 3 is meshed on one side of the gear 2, two groups of connecting rods 4 are symmetrically fixedly installed at the bottom end of the rack 3, a connecting shaft 5 is fixedly installed on one side of the two groups of connecting rods 4, a connecting ring 6 is rotatably connected to the outer side of the two groups of connecting shafts 5, a connecting rod 1 7 is fixedly installed on one side of the two groups of connecting rings 6, a connecting seat 8 is fixedly installed on one end of the two groups of connecting rods 1 7, a connecting seat 8 is fixedly installed on the outer side of the two groups of connecting seats 8, a clamping claw 10 is fixedly installed on one end of the two groups of connecting rods 2 9; a fixed shaft 16 is rotatably connected to the inner side of the two groups of connecting seats 8, and both ends of the two groups of fixed shafts 16 are fixedly connected to the inner wall of the installation chamber.

[0024] Among them, the main frame 1 is made of aluminum alloy; the connecting rod 1 7 and the connecting rod 2 9 are connected in a V shape; the clamping jaws 10 are arranged on both sides of the top of the main frame 1, and the side surfaces of the clamping jaws 10 and the top surface of the main frame 1 are both arranged as arc surfaces.

[0025] Wherein, the main frame 1 and the clamping jaws 10 are fixedly bonded with rubber sheets at the contact points with the LNG cylinder, so as to reduce the impact force on the LNG cylinder during the driving of the vehicle.

[0026] The rack 3 is provided with a guide groove, and the guide groove is matched with a guide rail 17. One end of the guide rail 17 is fixedly connected to one side of the inner wall of the installation chamber, so that the movement of the rack 3 is more stable.

[0027] A rotating shaft 11 is fixedly mounted on the inner center of the gear 2, a worm wheel 12 is fixedly mounted on the outer side of the rotating shaft 11, and a worm 13 is meshed on one side of the worm wheel 12, which can be achieved after the clamp 10 clamps the LNG cylinder.

[0028] Wherein, both ends of the rotating shaft 11 are rotatably connected to the inner wall of the installation chamber.

[0029] Among them, one end of the worm 13 is rotatably connected to one side of the inner wall of the installation chamber, and the other end of the worm 13 is fixedly connected to a transmission rod 14. A through hole is provided on one side of the main frame 1, and one end of the transmission rod 14 passes through the through hole and is fixedly connected to a handle 15, which is convenient for the operator to rotate the worm 13.

[0030] The working principle of this embodiment is as follows: when the main frame 1 is needed to fix the LNG cylinder, first place the LNG cylinder on the main frame 1, and then turn the handle 15. At this time, the handle 15 drives the worm 13 to rotate, the worm 13 drives the worm wheel 12 to rotate, the worm wheel 12 drives the gear 2 to rotate through the rotating shaft 11, the gear 2 drives the rack 3 to move, the rack 3 drives the connecting rod 1 7 to rotate through the connecting rod 4 and the connecting shaft 5, the connecting rod 1 7 drives the connecting rod 2 9 to rotate around the connecting seat 8 and the fixed shaft 16, the connecting rod 2 9 drives the clamp 10 to clamp the LNG cylinder, and the fixation of the LNG cylinder is completed. Otherwise, the disassembly operation can be carried out quickly.

[0031] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. An aluminum alloy frame for a vehicle LNG cylinder, comprising a main frame (1), wherein an installation chamber is provided on the inner side of the main frame (1), characterized in that: A gear (2) is installed in the installation chamber, a rack (3) is meshed on one side of the gear (2), two groups of connecting rods (4) are symmetrically fixedly installed at the bottom end of the rack (3), a connecting shaft (5) is fixedly installed on one side of the two groups of connecting rods (4), the outer sides of the two groups of connecting shafts (5) are rotatably connected to connecting rings (6), one side of the two groups of connecting rings (6) are fixedly installed with connecting rods 1 (7), one end of the two groups of connecting rods 1 (7) are fixedly installed with connecting seats (8), the outer sides of the two groups of connecting seats (8) are fixedly installed with connecting rods 2 (9), and one end of the two groups of connecting rods 2 (9) are fixedly installed with clamping claws (10); the inner sides of the two groups of connecting seats (8) are rotatably connected to fixed shafts (16), and both ends of the two groups of fixed shafts (16) are fixedly connected to the inner wall of the installation chamber.

2. The aluminum alloy frame of the vehicle LNG cylinder as claimed in claim 1, characterized in that: The main frame (1) is made of aluminum alloy; the connecting rod 1 (7) and the connecting rod 2 (9) are connected in a V shape; the clamping jaws (10) are arranged on both sides of the top of the main frame (1), and the side surfaces of the clamping jaws (10) and the top surface of the main frame (1) are both arranged as arc surfaces.

3. The aluminum alloy frame of the vehicle LNG cylinder as claimed in claim 1, characterized in that: The main frame (1) and the clamping jaws (10) are all fixedly bonded with rubber sheets at the contact points with the LNG cylinder.

4. The aluminum alloy frame of the vehicle LNG cylinder as claimed in claim 1, characterized in that: The rack (3) is provided with a guide groove, the guide groove is matched with a guide rail (17), and one end of the guide rail (17) is fixedly connected to one side of the inner wall of the installation chamber.

5. The aluminum alloy frame of the vehicle LNG cylinder as claimed in claim 1, characterized in that: A rotating shaft (11) is fixedly mounted on the inner center of the gear (2), a worm wheel (12) is fixedly mounted on the outer side of the rotating shaft (11), and a worm (13) is meshed on one side of the worm wheel (12).

6. The aluminum alloy frame of the vehicle LNG cylinder as claimed in claim 5, characterized in that: Both ends of the rotating shaft (11) are rotatably connected to the inner wall of the installation chamber.

7. The aluminum alloy frame of the vehicle LNG cylinder as claimed in claim 5, characterized in that: One end of the worm (13) is rotatably connected to one side of the inner wall of the installation chamber, and the other end of the worm (13) is fixedly connected to a transmission rod (14); a through hole is provided on one side of the main frame (1), and one end of the transmission rod (14) passes through the through hole and is fixedly connected to a handle (15).

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