Folding arm lifting lug

Abstract

The upper arm lifting lug and the lower arm lifting lug of the folding arm lifting lug can be flexibly unfolded and folded within a certain range after being assembled, and the folding arm lifting lug is a suspension combined by a steel plate spring and a spiral spring or an air spring. When the vehicle is in light load, the folding arm lifting lug is in an open state, the spiral spring or the air spring is used for bearing and damping, and comfort is improved. If the off-road vehicle passes through the cross shaft in the off-road process, the folding arm lifting lugs can provide a large stroke for the wheels, and the stability of the off-road vehicle is improved. When the vehicle has large load capacity, the folding arm lifting lug is in a closed state, the steel plate spring and the spiral spring or the air spring are used for bearing and damping together, and the characteristic of high load capacity of the existing steel plate spring is retained.

Description

Technical Field

[0001] The invention relates to the technical field of automobile chassis suspension systems, and in particular to a rear hanging ear of an automobile leaf spring. Background Art

[0002] The main functions of the rear suspension ear of the automobile leaf spring are: support, shock absorption, damping and buffering, and guiding. The advantage is strong load-bearing capacity, and the disadvantage is poor comfort and small suspension travel between the wheel and the frame. Summary of the invention

[0003] The object of the present invention is to provide a rear hanging ear of a suspension which is a combination of a leaf spring and a coil spring or an air spring, which retains the advantages of the existing leaf spring and the rear hanging ear, and increases the comfort and the suspension travel between the wheel and the frame.

[0004] The folding arm lifting ear provided in the embodiment of the present invention is composed of two arms, an upper arm lifting ear and a lower arm lifting ear. The upper arm lifting ear is integrally provided with: an upper arm lifting ear support plate (101); a rubber pier base (102) of the lifting ear; a rubber pier mounting screw hole (103); an upper arm limiter rubber pier (104); an upper arm lifting ear reinforcement rib (105); a bolt hole reinforcement gasket (106) for connecting and mounting the automobile beam; a bolt hole (107) for connecting and mounting the automobile beam; a bolt hole (108) for connecting the lower arm lifting ear; and a bolt hole reinforcement gasket (109) for connecting the lower arm lifting ear. The lower arm lifting ear is also integrally provided with: a lower arm lifting ear support plate (201); a lower base (202) of a stopper; a bushing seat sleeve (203); a lower arm lifting ear reinforcement rib (204); a bolt hole reinforcement gasket (205) for connecting and installing a vehicle leaf spring; a bolt hole (206) for connecting and installing a vehicle leaf spring; and a sleeve hole (207) for installing a bushing.

[0005] In the implementation manner of the present invention, the upper arm lifting ear and the lower arm lifting ear are assembled by a bearing bushing joint connection, one end of the upper arm lifting ear is connected and installed with the vehicle bottom beam, and one end of the lower arm lifting ear is connected and installed with the leaf spring.

[0006] The beneficial effects of the present invention are as follows: the upper arm lifting ear and the lower arm lifting ear of the folding arm lifting ear provided in the embodiment of the present invention can be flexibly opened and closed within a certain range after being assembled, and it is used in a suspension composed of a leaf spring and a coil spring or an air spring. When the vehicle is lightly loaded, the folding arm lifting ear is in an open state, and the coil spring or air spring bears the weight and reduces shock to improve comfort. If the off-road vehicle crosses the axle during off-roading, the folding arm lifting ear can provide the wheel with a larger travel to improve the stability of the off-road vehicle. When the vehicle is heavily loaded, the folding arm lifting ear is in a closed state, and the leaf spring and the coil spring or air spring bear the weight and reduce shock together, retaining the strong load-bearing characteristics of the existing leaf spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments.

[0008] Figure 1 A side view of the folding arm lifting lug provided by an embodiment of the present invention with the lifting lug opened;

[0009] Figure 2 A side view of a folding arm with lifting ears folded provided by an embodiment of the present invention;

[0010] Figure 3 An upper arm lifting lug diagram of a folding arm lifting lug provided by an embodiment of the present invention;

[0011] Figure 4 A diagram of a lower arm lifting lug of a folding arm lifting lug provided by an embodiment of the present invention;

[0012] Figure 5 Figure 1 shows the lower arm lifting lugs of different vehicle models for the folding arm lifting lugs provided by the embodiment of the present invention;

[0013] Figure 6 A full diagram of the design of the folding arm lifting eye provided by the embodiment of the present invention on different vehicle models;

[0014] In the figure: upper arm lifting ear support plate (101); lifting ear rubber pier base (102); rubber pier mounting screw hole (103); upper arm limiter rubber pier (104); upper arm lifting ear reinforcement rib (105); bolt hole reinforcement gasket (106) for connecting and mounting the automobile beam; bolt hole (107) for connecting and mounting the automobile beam; bolt hole (108) for connecting the lower arm lifting ear; bolt hole reinforcement gasket for connecting the lower arm lifting ear (109); lower arm lifting ear support plate (201); lower base (202) of the stopper; bushing seat sleeve (203); lower arm lifting ear reinforcement rib (204); bolt hole reinforcement gasket (205) for connecting and installing the automobile leaf spring; bolt hole (206) for connecting and installing the automobile leaf spring; sleeve hole (207) for installing the bushing; lower arm lifting ear support plate (301); lower base (302) of the stopper; DETAILED DESCRIPTION

[0015] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are embodiments of a part of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings can be arranged and designed in various different configurations.

[0016] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the application claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not require further definition and explanation in the subsequent drawings.

[0018] In the description of the present invention, it should be noted that the terms "one end", "front", "side", "open", "closed", "hole", "position", "front", "back", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the inventive product is usually placed when in use. They are only for the convenience of describing the present invention or simplifying the description, and therefore cannot be understood as limiting the present invention.

[0019] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "arrange", "install", "provided with", "connected", and "fixed" should be understood in a broad sense. For example, it can be a joint bearing connection, a welding fixed connection, a detachable connection, a gear connection, an indirect connection through an intermediate medium, or a communication between the 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.

[0020] The features and performances of the folding arm lifting ear of the present invention are described in further detail below in conjunction with the embodiments.

[0021] like Figure 1 , Figure 2 , Figure 3 , Figure 4 ,and Figure 5 As shown, the folding arm lifting ear provided by the embodiment of the present invention is composed of two arms: an upper arm lifting ear and a lower arm lifting ear. The upper arm lifting ear support plate (101) of the upper arm lifting ear is integrated with the rubber pier base (102) of the lifting ear, the upper arm lifting ear reinforcement rib (105), the bolt hole reinforcement gasket (106) connected to the automobile beam, and the bolt hole reinforcement gasket (109) connected to the lower arm lifting ear. The rubber pier base (102) of the lifting ear is provided with an upper arm limiter rubber pier (104). The lower arm lifting ear support plate (201) of the lower arm lifting ear is integrated with the lower base (202) of the limiter, the bushing seat sleeve (203), the lower arm lifting ear reinforcement rib (204), and the bolt hole reinforcement gasket (205) connected to the automobile leaf spring.

[0022] like Figure 3 As shown, the upper arm lifting ear of the folding arm lifting ear provided by the embodiment of the present invention is provided with: an upper arm lifting ear support plate (101); a rubber pier base (102) of the lifting ear; a rubber pier installation screw hole (103); an upper arm limiter rubber pier (104); an upper arm lifting ear reinforcement rib (105); a bolt hole reinforcement gasket (106) for connecting and installing the automobile beam; a bolt hole (107) for connecting and installing the automobile beam; a bolt hole (108) for connecting the lower arm lifting ear; and a bolt hole reinforcement gasket (109) for connecting the lower arm lifting ear. The position of the bolt hole (107) for connecting and installing the automobile beam is raised upward on the upper arm lifting ear support plate (101), and is installed at the automobile beam position to make the lifting ear have a larger range of movement. The position of the rubber pier base (102) of the lifting ear is close to the position of the bolt hole (107) for connecting and installing the automobile beam, so that the force and load bearing are more direct. The upper arm lifting ear reinforcement rib (105) is located at the lower side of the rubber pier base (102) of the lifting ear, and is narrower than the width of the upper arm lifting ear support plate (101) to leave room for movement above the folding arm lifting ear and the automobile beam.

[0023] like Figure 4 As shown, the lower arm lifting ear of the folding arm lifting ear provided by the embodiment of the present invention is provided with: a lower arm lifting ear support plate (201); a lower base (202) of a stopper; a bushing seat sleeve (203); a lower arm lifting ear reinforcement rib (204); a bolt hole reinforcement gasket (205) for connecting and installing a vehicle leaf spring; a bolt hole (206) for connecting and installing a vehicle leaf spring; and a sleeve hole (207) for installing a bushing. The bushing seat sleeve (203) is located at a position where the bushing seat sleeve (203) bends upward at one end of the lower arm lifting ear support plate (201) so that the upper arm stopper rubber pier (104) and the lower base (202) of the stopper can fit more closely when the folding arm lifting ear is closed. The bolt hole (206) for connecting and installing the automobile leaf spring is located at the downward protruding position of the other end of the lower arm lifting ear support plate (201), and the lower arm lifting ear reinforcement rib (204) is located at the upper side of the inner side of the lower base (202) of the stopper, which is narrower than the width of the lower arm lifting ear support plate (201) to leave a movable space for the lower part of the folding arm lifting ear and the automobile leaf spring. Because the trailer hook bracket of some models affects the installation towards the rear, it needs to be installed towards the front.

[0024] like Figure 5 As shown, the lower arm lifting eye of the folding arm lifting eye provided by the embodiment of the present invention is a bent design, because the outer side of the leaf spring of some models is aligned with the outer side of the beam, so the middle section of the lower arm lifting eye support plate (301) is bent. The center of the lower base (302) of the limiter is offset to the outside, so the inner side of the lower base (302) of the limiter is extended.

[0025] like Figure 6As shown, the folding arm lifting ears provided in the embodiment of the present invention are designed to cope with two different types of vehicles, and different solutions are designed. It can be seen that the wide upper arm lifting ear is connected to the vehicle frame, and the narrow lower arm lifting ear is connected to the leaf spring. The upper arm lifting ears of the two design solutions are the same, but the lower arm lifting ears are different. One is a center-centered design, and the other is an outward-aligned design.

[0026] The folding arm lifting ear provided in the embodiment of the present invention has a working structure principle: the upper arm lifting ear and the lower arm lifting ear can be flexibly opened and closed within a certain range after being assembled, and is used in a suspension composed of a leaf spring and a coil spring or an air spring. When the vehicle is lightly loaded, the folding arm lifting ear is in an open state, and the coil spring or the air spring bears the weight and reduces shock to improve comfort. At this time, the folding arm lifting ear and the leaf spring play the role of guiding and stabilizing the position of the rear axle. If the off-road vehicle passes through the cross axle during the off-road process, the folding arm lifting ear can provide a larger stroke for the wheel to improve the stability and passability of the off-road vehicle. When the vehicle is heavily loaded, the folding arm lifting ear is in a closed state, and the leaf spring and the coil spring or the air spring bear the weight and reduce shock together. At this time, the folding arm lifting ear and the leaf spring play the role of the original ordinary lifting ear and the leaf spring, retaining the strong load-bearing characteristics of the existing leaf spring.

[0027] The embodiments described above are part of the embodiments of the present invention, rather than all of the embodiments. The detailed description of the embodiments of the present invention is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

Claims

1. Folding arm lifting lug, characterized in that: The invention comprises an upper arm lifting ear and a lower arm lifting ear which are connected and assembled by a bearing bushing joint, an upper arm lifting ear support plate (101), a rubber pier base (102) of the lifting ear, an upper arm lifting ear reinforcement rib (105), a bolt hole reinforcement gasket (106) for connecting and installing an automobile beam, and a bolt hole reinforcement gasket (109) for connecting and installing the lower arm lifting ear, which are fixedly connected in one piece. A lower arm lifting ear support plate (201), a lower base (202) of a stopper, a lower arm lifting ear reinforcement rib (204), a bushing seat sleeve (203), and a bolt hole reinforcement gasket (205) for connecting and installing an automobile leaf spring are fixedly connected in one piece.

2. The folding arm lifting eye according to claim 1, characterized in that: A bolt hole (107) for mounting the automobile beam is provided at one end of the upper arm lifting ear and protrudes upwards on the upper arm lifting ear support plate (101).

3. The folding arm lifting eye according to claim 2, characterized in that: The rubber pier base (102) of the lifting ear is provided with a rubber pier mounting screw hole (103) close to a bolt hole (107) for connecting and mounting the automobile beam.

4. The folding arm lifting eye according to claim 3, characterized in that: The upper arm lifting ear reinforcement rib (105) is located at the lower side of the inner side of the rubber pier base (102) of the lifting ear and is narrower than the width of the upper arm lifting ear support plate (101).

5. The folding arm lifting eye according to claim 4, characterized in that: The two ends of the upper arm lifting ear are respectively provided with bolt holes (108) for connecting with the lower arm lifting ear and bolt holes (107) for connecting and installing the automobile beam, which protrude upwards, and the bolt holes on both sides of the upper arm lifting ear support plate (101) are symmetrical and of the same size.

6. The folding arm lifting eye according to claim 5, characterized in that: The upper arm lifting ear support plate (101), the rubber pier base (102) of the lifting ear, the upper arm lifting ear reinforcement rib (105), the bolt hole reinforcement gasket (106) connected to the automobile beam, and the bolt hole reinforcement gasket (109) connected to the lower arm lifting ear are fixedly connected to form an upper arm.

7. The folding arm lifting eye according to claim 6, characterized in that: The lower arm lifting ear bushing seat sleeve (203) is located at a position where one end of the lower arm lifting ear support plate (201) bends upward, and the bend of the lower arm lifting ear support plate (201) is sleeved on both ends of the bushing seat sleeve (203) and fixedly connected.

8. The folding arm lifting eye according to claim 7, characterized in that: The bolt hole (206) for connecting and installing the automobile leaf spring of the lower arm lifting ear is located at a downwardly protruding position of the other end of the lower arm lifting ear support plate (201).

9. The folding arm lifting eye according to claim 8, characterized in that: The lower arm lifting ear reinforcement rib (204) is located at the upper side of the inner side of the lower base (202) of the stopper and is narrower than the width of the lower arm lifting ear support plate (201).

10. The folding arm lifting eye according to claim 9, characterized in that: The two ends of the lower arm lifting ear are respectively provided with a downwardly protruding bolt hole (206) for connecting and installing the automobile leaf spring and an upwardly bent sleeve hole (207) for installing the bushing, and the bolt holes on both sides of the lower arm lifting ear support plate (201) are symmetrical and of the same size.

11. The folding arm lifting eye according to claim 10, characterized in that: The lower arm lifting ear support plate (201), the lower base (202) of the stopper, the lower arm lifting ear reinforcement rib (204), the bushing seat sleeve (203), and the bolt hole reinforcement gasket (205) for connecting and installing the automobile leaf spring are fixedly connected to form a lower arm.

12. The folding arm lifting eye according to claim 11, characterized in that: The lower arm lifting lug support plate (301) of the different vehicle models is bent in the middle section and is designed to be aligned to the outside. The center of the lower base (302) of the limiter is offset to the outside, so the inner side of the lower base (302) of the limiter is extended.

13. The folding arm lifting eye according to claim 12, characterized in that: The upper arm lifting ear is wide and the lower arm lifting ear is narrow, and the lower arm lifting ear is designed to be centered or outwardly aligned.

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