Air cylinder assembly of commercial vehicle

Abstract

The invention relates to the technical field of automobile chassis design, in particular to an air cylinder assembly of a commercial vehicle, an air cylinder body is arranged between two adjacent mudguards, two ends of the air cylinder body along the length direction are a first end and a second end, the first end is connected to a frame, and the second end is connected to the frame. One end of the first fixing piece is fixedly connected with the air cylinder body, the other end of the first fixing piece is connected with one fender, one end of the second fixing piece is fixedly connected with the air cylinder body, and the other end of the second fixing piece is connected with the other fender. According to the arrangement, the air cylinder body is arranged and assembled between the two adjacent fenders, the space utilization rate is effectively increased, meanwhile, an integrated structure is adopted, so that the air cylinder body has the functions of storing air and fixing the fenders at the same time, the number of related fixing supports and standard parts is reduced, light weight is achieved, and the arrangement and installation space is saved; and arrangement of the whole vehicle is facilitated, and the assembling efficiency and convenience are effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of automobile chassis design, and in particular to an air reservoir assembly of a commercial vehicle. Background Art

[0002] The air tank is an important component of the chassis of heavy-duty commercial vehicles. It provides sufficient compressed air for the braking system, AMT system, air suspension system, etc. to ensure that the relevant functions of the vehicle can be realized.

[0003] However, with the gradual development of new energy technologies, the number of electrified and intelligent components in the chassis has gradually increased, resulting in a reduction in the layout space for other components in the commercial vehicle chassis. The gas cylinder is large in size and occupies a large space, which further makes the layout and assembly of the vehicle more difficult and less convenient.

[0004] Therefore, there is an urgent need for an air reservoir assembly for commercial vehicles to solve the above problems. Summary of the invention

[0005] The object of the present invention is to provide an air reservoir assembly for a commercial vehicle, so as to solve the problem that the existing air reservoirs of commercial vehicles occupy a large space, resulting in high difficulty in arranging and assembling the entire vehicle.

[0006] To achieve the above object, the present invention adopts the following technical solutions:

[0007] The present invention provides an air reservoir assembly for a commercial vehicle, wherein the commercial vehicle comprises a frame and a plurality of fenders, and the air reservoir assembly comprises:

[0008] An air reservoir body, the air reservoir body is arranged between two adjacent fenders, and the two ends of the air reservoir body along its length direction are a first end and a second end, the first end is connected to the vehicle frame, and a receiving chamber is arranged in the air reservoir body, and the receiving chamber is used to store compressed air;

[0009] a first fixing member, one end of which is fixedly connected to the gas reservoir body, and the other end of which is connected to one of the fenders;

[0010] A second fixing member, one end of which is fixedly connected to the gas reservoir body, and the other end of which is connected to another of the fenders.

[0011] As a preferred technical solution of the air reservoir assembly of the commercial vehicle, the first fixing member and the second fixing member are both integrally formed with the air reservoir body.

[0012] As a preferred technical solution of the air cylinder assembly of the above-mentioned commercial vehicle, the first fixing member includes two first brackets, the two first brackets are arranged on both sides of the width direction of the air cylinder body opposite to each other and at intervals, and the two first brackets are welded to the air cylinder body, and the second fixing member includes two second brackets, the two second brackets are arranged on both sides of the width direction of the air cylinder body opposite to each other and at intervals, and the two second brackets are welded to the air cylinder body.

[0013] As a preferred technical solution of the air cylinder assembly of the above-mentioned commercial vehicle, the air cylinder assembly also includes two first bolts and two second bolts, the two first bolts are arranged in a one-to-one correspondence with the two first brackets, the first bolt passes through the first bracket and is threadedly connected to one of the fenders, and the two second bolts are arranged in a one-to-one correspondence with the two second brackets, the second bolt passes through the second bracket and is threadedly connected to another one of the fenders.

[0014] As a preferred technical solution of the air cylinder assembly of the above-mentioned commercial vehicle, the air cylinder assembly also includes an air inlet quick connector and an air outlet quick connector, the air inlet quick connector and the air outlet quick connector are both connected to the accommodating cavity, and the air inlet quick connector and the air outlet quick connector are arranged oppositely and at intervals at both ends of the width direction of the air cylinder body.

[0015] As a preferred technical solution of the air reservoir assembly of the above-mentioned commercial vehicle, the air reservoir assembly also includes a first threaded boss and a second threaded boss, both of which are fixedly connected to the outer circumferential surface of the air reservoir body, the air inlet quick connector is threadedly connected to the first threaded boss, and the air outlet quick connector is threadedly connected to the second threaded boss.

[0016] As a preferred technical solution of the air cylinder assembly of the above-mentioned commercial vehicle, the air cylinder assembly also includes a first blocking member and a second blocking member, the end surface of the first end is provided with a first slot hole, the first slot hole is connected to the accommodating cavity, the first blocking member is detachably connected to the air cylinder body, and can block the first slot hole, and the end surface of the first blocking member close to one end of the frame is on the same plane as the end surface of the first end, the end surface of the second end is provided with a second slot hole, the second slot hole is connected to the accommodating cavity, the second blocking member is detachably connected to the air cylinder body, and can block the second slot hole.

[0017] As a preferred technical solution of the air reservoir assembly of the commercial vehicle, the first blocking member is a hexagon socket bolt, and the second blocking member is a hexagon socket bolt.

[0018] As a preferred technical solution of the air reservoir assembly of the above-mentioned commercial vehicle, the air reservoir assembly also includes a plurality of third bolts, the end face of the first end abuts against the plane of the frame, and the plurality of third bolts are all passed through the air reservoir body and are threadedly connected to the frame.

[0019] As a preferred technical solution of the air cylinder assembly of the above-mentioned commercial vehicle, the air cylinder assembly also includes a drain valve, a drain port is provided on the air cylinder body, the drain port is connected to the accommodating cavity, and the drain valve is used to open or close the drain port.

[0020] The beneficial effects of the present invention are:

[0021] The present invention provides an air reservoir assembly for a commercial vehicle, wherein the commercial vehicle includes a frame and a plurality of fenders, and the air reservoir assembly includes: an air reservoir body, a first fixing member and a second fixing member, the air reservoir body is arranged between two adjacent fenders, and the two ends of the air reservoir body along its length direction are a first end and a second end, the first end is connected to the frame, a receiving chamber is arranged in the air reservoir body, the receiving chamber is used to store compressed air, one end of the first fixing member is fixedly connected to the air reservoir body, the other end of the first fixing member is connected to one of the fenders, one end of the second fixing member is fixedly connected to the air reservoir body, and the other end of the second fixing member is connected to another of the fenders. In this way, the air reservoir body is arranged and assembled between two adjacent fenders, effectively improving the space utilization rate, and at the same time, adopting an integrated structure, so that the air reservoir body has the functions of storing air and fixing fenders at the same time, reducing the number of related fixing brackets and standard parts, achieving lightweight, saving layout and installation space, facilitating the layout of the whole vehicle, and effectively improving assembly efficiency and convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic diagram of the assembly of the gas reservoir assembly, the frame and the fender of a commercial vehicle provided by the present invention;

[0023] Figure 2 A schematic diagram of the structure of the gas reservoir assembly for a commercial vehicle provided by the present invention Figure 1 ;

[0024] Figure 3 A schematic diagram of the structure of the gas reservoir assembly for a commercial vehicle provided by the present invention Figure 2 .

[0025] in:

[0026] 1. Frame; 2. Mudguard; 3. Air reservoir body; 4. First bracket; 5. Second bracket; 6. First bolt; 7. Second bolt; 8. Inlet quick connector; 9. Outlet quick connector; 10. First blocking piece; 11. Second blocking piece; 12. Third bolt; 13. Drain valve. DETAILED DESCRIPTION

[0027] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0028] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions.

[0029] Unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection or a detachable 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, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] Unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in contact with the second feature through another feature between them instead of being in direct contact. Moreover, a first feature being "above", "above" and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0031] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0032] like Figures 1 to 3As shown, this embodiment provides an air reservoir assembly for a commercial vehicle, the commercial vehicle includes a frame 1 and a plurality of fenders 2, the air reservoir assembly includes: an air reservoir body 3, a first fixing member and a second fixing member, the air reservoir body 3 is arranged between two adjacent fenders 2, and the two ends of the air reservoir body 3 along its own length direction are a first end and a second end, the first end is connected to the frame 1, the air reservoir body 3 is provided with a receiving chamber for storing compressed air, and the air reservoir body 3 is made of aluminum alloy material, one end of the first fixing member is fixedly connected to the air reservoir body 3, the other end of the first fixing member is connected to one of the fenders 2, one end of the second fixing member is fixedly connected to the air reservoir body 3, and the other end of the second fixing member is connected to another fender 2. Further, the first fixing member and the second fixing member are both integrally formed with the air reservoir body 3. With such arrangement, the air cylinder body 3 is arranged and assembled between two adjacent mudguards 2, which effectively improves the space utilization rate. At the same time, the integrated structure is adopted so that the air cylinder body 3 has the functions of storing air and fixing the mudguard 2 at the same time, reducing the number of related fixed brackets and standard parts, achieving lightweight, saving layout and installation space, facilitating the layout of the entire vehicle, and effectively improving assembly efficiency and convenience.

[0033] It should be noted that the air reservoir assembly is installed in the middle of the fender 2 of the second and third axles of the commercial vehicle, with one on each side, eliminating the lower-hanging independent air reservoir structure that is separately arranged on the longitudinal beam or tail beam of the frame 1, effectively reducing the number of air reservoir bodies 3 of the whole vehicle, and saving the installation space of the air reservoir body 3 and the tail beam of the frame 1.

[0034] Specifically, the following scheme is exemplarily given in this embodiment: the first fixing member includes two first brackets 4, the two first brackets 4 are arranged on both sides of the width direction of the gas cylinder body 3 oppositely and at intervals, and the two first brackets 4 are welded to the gas cylinder body 3, and the second fixing member includes two second brackets 5, the two second brackets 5 are arranged on both sides of the width direction of the gas cylinder body 3 oppositely and at intervals, and the two second brackets 5 are welded to the gas cylinder body 3. It should be noted that the welding position and the structure of the first bracket 4 and the second bracket 5 can be adjusted to adapt to the layout requirements of fenders 2 of various specifications.

[0035] Optionally, the air cylinder assembly also includes two first bolts 6 and two second bolts 7, the two first bolts 6 are arranged in a one-to-one correspondence with the two first brackets 4, the first bolt 6 passes through the first bracket 4 and is threadedly connected to one of the fenders 2, and the two second bolts 7 are arranged in a one-to-one correspondence with the two second brackets 5, the second bolt 7 passes through the second bracket 5 and is threadedly connected to another one of the fenders 2.

[0036] Optionally, in order to quickly realize the air supply and exhaust of the accommodating chamber, the air cylinder assembly also includes an air inlet quick connector 8 and an air outlet quick connector 9, and the air inlet quick connector 8 and the air outlet quick connector 9 are both made of copper alloy. The air inlet quick connector 8 and the air outlet quick connector 9 are both connected to the accommodating chamber, and the air inlet quick connector 8 and the air outlet quick connector 9 are arranged oppositely and at intervals at both ends of the width direction of the air cylinder body 3.

[0037] Furthermore, the gas reservoir assembly further includes a first threaded boss and a second threaded boss, both of which are welded to the outer circumferential surface of the gas reservoir body 3, the air inlet quick connector 8 is threadedly connected to the first threaded boss, and the air outlet quick connector 9 is threadedly connected to the second threaded boss. It should be noted that both the first threaded boss and the second threaded boss are welded from the outside, which can further improve the convenience of the welding weld.

[0038] It should be noted that the positional relationship between the longitudinal weld of the air cylinder body 3 and the side air inlet quick connector 8, the air outlet quick connector 9, the two first brackets 4 and the two second brackets 5 can be optimized to ensure that the longitudinal weld is blocked after installation, which can avoid the longitudinal weld being located at the top and affecting the appearance, and avoid the longitudinal weld being located at the bottom and causing corrosion problems.

[0039] Optionally, the gas cylinder assembly further includes a first blocking member 10 and a second blocking member 11, the end surface of the first end is provided with a first slot, the first slot is connected to the accommodating cavity, the first blocking member 10 is detachably connected to the gas cylinder body 3, and can block the first slot, and the end surface of the first blocking member 10 close to the end of the frame 1 is on the same plane as the end surface of the first end, the end surface of the second end is provided with a second slot, the second slot is connected to the accommodating cavity, and the second blocking member 11 is detachably connected to the gas cylinder body 3, and can block the second slot. Specifically, the first blocking member 10 is a hexagon socket bolt, and a threaded hole for installing the hexagon socket bolt is provided at the center of the end surface of the first end, and the second blocking member 11 is an external hexagon bolt, and a threaded boss for installing the external hexagon bolt is welded at the center of the end surface of the second end. In this way, the internal hexagon installation method is adopted to ensure that the mating surface with the frame 1 is a complete plane. At the same time, the first end and the second end are both provided with openings, so that the two ends of the gas cylinder body 3 are connected, ensuring the electroplating process and the quality of the paint surface in the cavity.

[0040] Optionally, in order to improve the installation reliability and stability of the gas reservoir body 3 and the frame 1, the gas reservoir assembly further includes a plurality of third bolts 12, the end surface of the first end is in contact with the plane of the frame 1, and the plurality of third bolts 12 are all passed through the gas reservoir body 3 and are threadedly connected with the outer side of the longitudinal beam of the frame 1. Further, the number of the third bolts 12 is four, and the end surface of the first end is provided with a pipe harness bracket fixing hole to reduce the number of pipe harness fixing brackets and save layout space.

[0041] Optionally, in order to regularly discharge the liquid in the accommodating chamber, the gas cylinder assembly further includes a drain valve 13, which is installed at the bottom of the gas cylinder body 3. The gas cylinder body 3 is provided with a drain port, which is connected to the accommodating chamber, and the drain valve 13 is used to open or close the drain port. Furthermore, in order to facilitate operation, a pull ring for manual pulling is also provided on the drain valve 13.

[0042] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An air reservoir assembly for a commercial vehicle, the commercial vehicle comprising a frame (1) and a plurality of fenders (2), characterized in that: The gas reservoir assembly comprises: An air reservoir body (3), the air reservoir body (3) being arranged between two adjacent fenders (2), and the two ends of the air reservoir body (3) along its length direction are a first end and a second end, the first end being connected to the vehicle frame (1), and a receiving chamber being arranged inside the air reservoir body (3), the receiving chamber being used to store compressed air; a first fixing member, one end of which is fixedly connected to the gas reservoir body (3), and the other end of which is connected to one of the fenders (2); A second fixing member, one end of which is fixedly connected to the gas cylinder body (3), and the other end of which is connected to another of the fenders (2).

2. The gas reservoir assembly for a commercial vehicle according to claim 1, characterized in that: The first fixing member and the second fixing member are both integrally formed with the gas storage cylinder body (3).

3. The gas reservoir assembly for a commercial vehicle according to claim 2, characterized in that: The first fixing member comprises two first brackets (4), the two first brackets (4) are arranged on both sides of the width direction of the gas cylinder body (3) oppositely and at intervals, and the two first brackets (4) are welded to the gas cylinder body (3), and the second fixing member comprises two second brackets (5), the two second brackets (5) are arranged on both sides of the width direction of the gas cylinder body (3) oppositely and at intervals, and the two second brackets (5) are welded to the gas cylinder body (3).

4. The gas reservoir assembly for a commercial vehicle according to claim 3, characterized in that: The air storage cylinder assembly further comprises two first bolts (6) and two second bolts (7), the two first bolts (6) being arranged in one-to-one correspondence with the two first brackets (4), the first bolt (6) passing through the first bracket (4) and being threadedly connected to one of the fenders (2), the two second bolts (7) being arranged in one-to-one correspondence with the two second brackets (5), the second bolt (7) passing through the second bracket (5) and being threadedly connected to another of the fenders (2).

5. The gas reservoir assembly for a commercial vehicle according to claim 1, characterized in that: The gas cylinder assembly further comprises an air inlet quick connector (8) and an air outlet quick connector (9), wherein the air inlet quick connector (8) and the air outlet quick connector (9) are both connected to the accommodating cavity, and the air inlet quick connector (8) and the air outlet quick connector (9) are arranged opposite to and spaced apart at two ends in the width direction of the gas cylinder body (3).

6. The gas reservoir assembly for a commercial vehicle according to claim 5, characterized in that: The gas cylinder assembly also includes a first threaded boss and a second threaded boss, wherein the first threaded boss and the second threaded boss are both fixedly connected to the outer circumferential surface of the gas cylinder body (3), the air inlet quick connector (8) is threadedly connected to the first threaded boss, and the air outlet quick connector (9) is threadedly connected to the second threaded boss.

7. The gas reservoir assembly for a commercial vehicle according to any one of claims 1 to 6, characterized in that: The air cylinder assembly also includes a first blocking member (10) and a second blocking member (11); the end surface of the first end is provided with a first slot hole, the first slot hole is connected to the accommodating cavity; the first blocking member (10) is detachably connected to the air cylinder body (3) and is capable of blocking the first slot hole; the end surface of the first blocking member (10) close to one end of the frame (1) is on the same plane as the end surface of the first end; the end surface of the second end is provided with a second slot hole, the second slot hole is connected to the accommodating cavity; the second blocking member (11) is detachably connected to the air cylinder body (3) and is capable of blocking the second slot hole.

8. The gas reservoir assembly for a commercial vehicle according to claim 7, characterized in that: The first blocking member (10) is a hexagon socket bolt, and the second blocking member (11) is a hexagon socket bolt.

9. The gas reservoir assembly for a commercial vehicle according to any one of claims 1 to 6, characterized in that: The gas reservoir assembly further comprises a plurality of third bolts (12), the end surface of the first end being in contact with the plane of the frame (1), and the plurality of third bolts (12) all pass through the gas reservoir body (3) and are threadedly connected to the frame (1).

10. The air reservoir assembly for a commercial vehicle according to any one of claims 1 to 6, characterized in that: The air storage cylinder assembly further comprises a drain valve (13). A drain port is provided on the air storage cylinder body (3), the drain port is connected to the accommodating cavity, and the drain valve (13) is used to open or close the drain port.

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