Beam type air suspension

Abstract

A beam type air suspension comprises a fixed beam seat and a transition ring sleeve, an adaptive groove is formed in the fixed beam seat, the transition ring sleeve is fixed in the adaptive groove, an axle is sleeved with the transition ring sleeve, and the axle is fixedly connected with the transition ring sleeve. According to the beam type air suspension, the fixed beam seat is arranged, the adaptive groove is formed in the fixed beam seat, the transition ring sleeve is fixed in the adaptive groove, and the axle is fixed in the fixed beam seat, so that the fixed beam seat can support the axle, the stability of axle fixing can be improved, and the service life of the axle is prolonged. The fixed beam seat comprises a top plate, a bottom plate, a first supporting plate and a second supporting plate, the first supporting plate and the second supporting plate are vertically and symmetrically arranged between the top plate and the bottom plate, the first supporting plate and the second supporting plate are combined to form a square supporting body, and the square supporting body can improve the supporting strength and the structural stability of the fixed beam seat; therefore, the whole air suspension is effectively supported.

Description

TECHNICAL FIELD

[0001] The utility model relates to axle technical field, especially relates to a beam type air suspension. BACKGROUND

[0002] A beam type air suspension structure is disclosed in Chinese patent document No. CN220764010U on April 12, 2024, which comprises a fixed beam and a transition ring sleeve. The fixed beam has an arc-shaped first adaptive slot at one end, and the transition ring sleeve is fixedly arranged in the first adaptive slot. The axle is sleeved into the transition ring sleeve, and the axle is fixedly connected with the transition ring sleeve. The beam type air suspension structure sets the fixed beam and the transition ring sleeve. The first adaptive slot is set on the support plate and / or the web. The structure of the fixed beam is in a straight line, and the structural stability is general. The support strength is general. The axle is installed on the first adaptive slot at one end of the fixed beam, so that the fixation of the axle is not stable enough.

[0003] Therefore, it is necessary to make further improvements. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a beam type air suspension which has simple structure, high structural stability, high support strength, stable installation and strong practicality, so as to overcome the shortcomings of the prior art.

[0005] A beam type air suspension designed according to the purpose comprises a fixed beam seat and a transition ring sleeve. The fixed beam seat is internally provided with an adaptive slot, and the transition ring sleeve is fixed in the adaptive slot. The transition ring sleeve is internally sleeved with an axle, and the axle is fixedly connected with the transition ring sleeve.

[0006] The fixed beam seat comprises a top plate, a bottom plate, a first support plate and a second support plate. The first support plate and the second support plate are vertically and symmetrically arranged between the top plate and the bottom plate. The first support plate and the second support plate are combined to form a square support body, and the adaptive slot is formed between the first support plate and the second support plate.

[0007] The top plate and the bottom plate are respectively horizontally arranged. The top of the first support plate and the second support plate is connected with the top plate, and the bottom of the first support plate and the second support plate is connected with the bottom plate.

[0008] The fixed beam seat is internally provided with an empty slot, which is in communication with the adaptive slot. The transition ring sleeve is at least partially inserted into the empty slot.

[0009] The transition ring sleeve is provided with a connecting hole penetrating through the side wall of the transition ring sleeve, the axle surface is at least partially exposed to the hole edge of the connecting hole, and the axle surface and the hole edge of the connecting hole are welded with each other.

[0010] The front support is further connected to the frame, one end of the fixed beam seat is rotatably connected to the front support, and one end of the shock absorber is rotatably connected to the fixed beam seat.

[0011] The fixed beam seat further comprises an extension part, the shock absorbing air bag is connected to one end of the extension part, and the other end of the shock absorbing air bag is connected to the frame.

[0012] The fixed beam seat comprises a seat body part in a triangular shape, and an extension part, the fitting groove and the empty groove are arranged on the seat body part, one end of the seat body part is rotatably connected to the front support, and the extension part is arranged at the other end of the seat body part.

[0013] The transition ring sleeve is provided with a gap penetrating through the transition ring sleeve, the gap extends from one end of the transition ring sleeve to the other end of the transition ring sleeve, so that the internal space of the transition ring sleeve elastically changes in size.

[0014] The fitting groove edge is matched with the outer surface of the transition ring sleeve, and the outer surface of the transition ring sleeve and the fitting groove edge are welded with each other; and the inner surface of the transition ring sleeve is tightly matched with the surface of the axle.

[0015] The beam type air suspension of the utility model is fixed by the fixed beam seat, the fitting groove is arranged in the fixed beam seat, the transition ring sleeve is fixed in the fitting groove, the axle is fixed in the fixed beam seat, the fixed beam seat can support the axle, the stability of the axle fixing can be improved, the fixed beam seat comprises a top plate, a bottom plate, a first supporting plate and a second supporting plate, the first supporting plate and the second supporting plate are vertically and symmetrically arranged between the top plate and the bottom plate, the first supporting plate and the second supporting plate are combined to form a square supporting body, the square supporting body can improve the supporting strength and structural stability of the fixed beam seat, and the whole air suspension can be effectively supported. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is an assembly structure diagram of the air suspension and the axle in an embodiment of the utility model.

[0017] Figure 2 It is an overall structure diagram of the air suspension in an embodiment of the utility model.

[0018] Figure 3 It is an overall structure diagram of the air suspension in another orientation in an embodiment of the utility model.

[0019] Figure 4 It is a front view of the air suspension in an embodiment of the utility model.

[0020] Figure 5The utility model discloses an assembly structure perspective view of air suspension and axle for an embodiment of the utility model.

[0021] Figure 6 The utility model discloses a front view of fixed beam seat for an embodiment of the utility model.

[0022] Figure 7 The utility model discloses an assembly structure perspective view of air suspension and axle for an embodiment of the utility model. DETAILED DESCRIPTION

[0023] The utility model will be further described below in combination with the drawings and embodiments.

[0024] Referring to Figures 1-7 The beam type air suspension includes fixed beam seat 1 and transition ring sleeve 2, and the inside of fixed beam seat 1 is provided with semicircular or arc-shaped adaptive slot 3, transition ring sleeve 2 is fixed in adaptive slot 3, transition ring sleeve 2 is sleeved with axle 4, and axle 4 is fixedly connected with transition ring sleeve 2.

[0025] Fixed beam seat 1 includes top plate 5, bottom plate 6, first support plate 7 and second support plate 8, and first support plate 7 and second support plate 8 are vertically symmetrically arranged between top plate 5 and bottom plate 6, first support plate 7 and second support plate 8 are combined to form square support body, and adaptive slot 3 is formed between first support plate 7 and second support plate 8, and first support plate 7 and second support plate 8 can support air suspension.

[0026] Top plate 5 and bottom plate 6 are horizontally arranged respectively, the top of first support plate 7 and second support plate 8 is welded with top plate 5, and the bottom of first support plate 7 and second support plate 8 is welded with bottom plate 6, forming an integral structure.

[0027] The inside of fixed beam seat 1 is provided with air slot 9, and air slot 9 is communicated with adaptive slot 3, and transition ring sleeve 2 at least partially extends into air slot 9, and air slot 9 can reduce the weight of fixed beam seat 1.

[0028] Transition ring sleeve 2 is provided with connecting hole 10 penetrating through the side wall of transition ring sleeve 2, and the surface of axle 4 is at least partially exposed to the hole edge 11 of connecting hole 10, and the surface of axle 4 and the hole edge 11 of connecting hole 10 are welded with each other.

[0029] It further includes shock absorber 12 and front support 14 for connecting car frame 13, one end of fixed beam seat 1 is rotatably connected with front support 14, one end of shock absorber 12 is rotatably connected with fixed beam seat 1, and the other end of shock absorber 12 is rotatably connected with front support 14.

[0030] It further includes shock absorbing air bag 15, and the other end of fixed beam seat 1 is provided with extension part 16, one end of shock absorbing air bag 15 is connected with extension part 16, and the other end of shock absorbing air bag 15 is connected with car frame 13.

[0031] The fixed beam seat 1 includes a triangular seat portion 17 and an extension portion 16. An adapter groove 3 and a hollow groove 9 are provided on the seat portion 17. One end of the seat portion 17 is rotatably connected to the front bracket 14, and the extension portion 16 extends to the other end of the seat portion 17. The triangular seat portion 17 can greatly improve the structural stability of the fixed beam seat 1.

[0032] The transition ring sleeve 2 is provided with a gap 18 that runs through the transition ring sleeve 2. The gap 18 extends from one end of the transition ring sleeve 2 to the other end of the transition ring sleeve 2, so that the size of the internal space of the transition ring sleeve 2 can be flexibly changed. Since there are tolerances in the dimensions of different axles 4, the large axle 4 may have assembly difficulties. The design gap 18 can solve this problem.

[0033] The edge of the adapter groove 3 matches the outer surface of the transition ring sleeve 2, and the outer surface of the transition ring sleeve 2 is welded to the edge of the adapter groove 3; the inner surface of the transition ring sleeve 2 is tightly fitted to the surface of the axle 4.

[0034] Other structural details of this beam-type air suspension can be found in patent CN220764010U, and will not be described in detail here.

[0035] The above describes the preferred embodiments of this utility model, illustrating and describing its basic principles, main features, and advantages. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made without departing from the spirit and scope of this utility model, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A beam-type air suspension, characterized in that: It includes a fixed beam seat (1) and a transition ring sleeve (2). The fixed beam seat (1) has an adapter groove (3) inside. The transition ring sleeve (2) is fixed in the adapter groove (3). The transition ring sleeve (2) has an axle (4) inside, and the axle (4) is fixedly connected to the transition ring sleeve (2).

2. The beam-type air suspension according to claim 1, characterized in that: The fixed beam seat (1) includes a top plate (5), a bottom plate (6), a first support plate (7) and a second support plate (8). The first support plate (7) and the second support plate (8) are vertically symmetrically arranged between the top plate (5) and the bottom plate (6). The first support plate (7) and the second support plate (8) are combined to form a square support body, and an adapter groove (3) is formed between the first support plate (7) and the second support plate (8).

3. The beam-type air suspension according to claim 2, characterized in that: The top plate (5) and the bottom plate (6) are arranged horizontally respectively. The top of the first support plate (7) and the second support plate (8) are connected to the top plate (5), and the bottom of the first support plate (7) and the second support plate (8) are connected to the bottom plate (6).

4. The beam-type air suspension according to claim 1, characterized in that: The fixed beam seat (1) has a hollow groove (9) inside, which is connected to the adapter groove (3). The transition ring (2) extends at least partially into the hollow groove (9).

5. The beam-type air suspension according to claim 1, characterized in that: The transition ring sleeve (2) is provided with a connecting hole (10) that penetrates the side wall of the transition ring sleeve (2). At least part of the surface of the axle (4) is exposed outside the hole edge (11) of the connecting hole (10), and the surface of the axle (4) is welded to the hole edge (11) of the connecting hole (10).

6. The beam-type air suspension according to claim 4, characterized in that: It also includes a shock absorber (12) and a front bracket (14) for connecting the frame (13). One end of the fixed beam seat (1) is rotatably connected to the front bracket (14), one end of the shock absorber (12) is rotatably connected to the fixed beam seat (1), and the other end of the shock absorber (12) is rotatably connected to the front bracket (14).

7. The beam-type air suspension according to claim 6, characterized in that: It also includes a shock absorber airbag (15), and an extension (16) is provided at the other end of the fixed beam seat (1). One end of the shock absorber airbag (15) is connected to the extension (16), and the other end of the shock absorber airbag (15) is connected to the frame (13).

8. The beam-type air suspension according to claim 7, characterized in that: The fixed beam seat (1) includes a triangular seat part (17) and an extension part (16). An adapter groove (3) and a slot (9) are provided on the seat part (17). One end of the seat part (17) is rotatably connected to the front bracket (14), and the extension part (16) extends to the other end of the seat part (17).

9. The beam-type air suspension according to claim 1, characterized in that: The transition ring (2) is provided with a gap (18) that runs through the transition ring (2). The gap (18) extends from one end of the transition ring (2) to the other end of the transition ring (2), so that the size of the internal space of the transition ring (2) can change elastically.

10. The beam-type air suspension according to claim 1, characterized in that: The edge of the adapter groove (3) matches the outer surface of the transition ring sleeve (2), and the outer surface of the transition ring sleeve (2) is welded to the edge of the adapter groove (3); the inner surface of the transition ring sleeve (2) fits tightly with the surface of the axle (4).

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