Plate spring support of heavy-duty car

By designing an adjustable fixing frame and extension plate system, the problem of insufficient adaptability of existing automotive leaf spring brackets is solved, and the adaptability improvement and structural stability of heavy-duty vehicle frames are achieved, and the bracket breakage is avoided. Improved the use effect.

CN222346671UActive Publication Date: 2025-01-14CHONGQING LONGXIE MASCH CO LTD
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Patent Information

Application Number
CN202421121799.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-22
Publication Date
2025-01-14
Estimated Expiration
2034-05-22

AI Technical Summary

Technical Problem

The existing automotive leaf spring brackets are not very adaptable and cannot be adjusted according to the floor width of the car frame, resulting in the narrower brackets that are easy to break when the heavy-duty car frame is wide, affecting the use effect.

Method used

A heavy-duty automotive leaf spring bracket is designed, including fixing frames, hoisting lugs, extension plates and slot systems, which enables the mobile connection of the extension plates through No. 1 and No. 2 connection holes, pin holes, through holes and fastening bolts, adding The bracket width and enhance structural stability and strength through the clamps and clamp slots, anti-slip coatings, and reinforcement ribs.

Benefits of technology

Effectively solve the problem of breakage of leaf spring bracket, improve the adaptability and use effect, and the stable connection between the extension plate and the fixing frame increases the width and structural strength of the bracket, prevents breakage, and is lifted through anti-slip coating and reinforcement ribs. Protective effect.

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Abstract

The utility model discloses a heavy-duty car plate spring support, which belongs to the technical field of plate spring supports and comprises a fixing frame and a lifting lug, a first connecting hole is arranged at the top of the fixing frame, a second connecting hole is arranged on the front side of the fixing frame, the lifting lug is arranged at the bottom of the fixing frame, a first pin hole is arranged inside the lifting lug, and a second pin hole is arranged inside the first pin hole. An extension plate is arranged behind the fixing frame, a standby lug is arranged at the bottom of the extension plate, a second pin hole is formed in the standby lug, the extension plate is connected behind the fixing frame, and the first pin hole and the second pin hole are installed and used in a matched mode through a pin shaft and the end of a plate spring, so that the width of the support is increased; the problems that a plate spring support is prone to breakage in the using process, and the using effect is affected are solved, and the adaptability of the plate spring support is improved. The clamping blocks are connected into the clamping grooves, the fastening bolts are connected into the through holes, connection work of the extension plate and the fixing frame can be achieved, and the stability of the connected extension plate is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of leaf spring brackets, and in particular relates to a leaf spring bracket for a heavy-duty vehicle. Background Art

[0002] The automobile leaf spring is the most traditional elastic element in the automobile suspension system, with the advantages of good reliability, simple structure, short manufacturing process, low cost and greatly simplified structure. The leaf spring bracket is an important component supporting the leaf spring on the automobile, and it bears huge alternating loads under the condition of automobile operation.

[0003] At present, there are still some defects in the use of existing automobile leaf spring brackets. The adaptability of the leaf spring bracket is not strong, and the length of the bracket cannot be adjusted according to the ground width of the automobile frame. For heavy-duty vehicles, the frame is wider, and the leaf spring bracket with a narrow width is easy to break during use, affecting the use effect. For this reason, we propose a heavy-duty automobile leaf spring bracket. Utility Model Content

[0004] The purpose of the utility model is to provide a heavy-duty automobile leaf spring bracket to solve the problem that the leaf spring bracket proposed in the above-mentioned background technology has poor adaptability and often cannot adjust the length of the bracket according to the ground width of the automobile frame. For heavy-duty automobiles with wider frames, the leaf spring bracket with narrow width is prone to breakage during use, affecting the use effect.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heavy-duty vehicle leaf spring bracket, comprising a fixing frame and a lifting ear, the fixing frame is provided with a No. 1 connecting hole on the top, the fixing frame is provided with a No. 2 connecting hole on the front, the No. 1 connecting hole and the No. 2 connecting hole are both several in number, the fixing frame is provided with a lifting ear at the bottom, the lifting ear is fixedly connected to the bottom of the fixing frame, a No. 1 pin hole is provided inside the lifting ear, an extension plate is provided at the rear of the fixing frame, the extension plate is movably connected to the rear of the fixing frame, a spare ear is provided at the bottom of the extension plate, a No. 2 pin hole is provided inside the spare ear, and the No. 1 pin hole and the No. 2 pin hole have the same specifications.

[0006] Preferably, a card slot is provided at the rear of the fixed plate, a card block is fixedly connected to the front of the extension plate, the card block is adapted to the card slot, and the extension plate is carded in the card slot through the card block.

[0007] Preferably, two No. 1 through holes are provided at the top and bottom of the slot, and the No. 1 through holes extend into the slot; two No. 2 through holes are provided at the top of the block, and the No. 2 through holes extend to the bottom of the block; the No. 1 through holes and the No. 2 through holes have the same specifications; fastening bolts are provided inside the No. 1 through holes and the No. 2 through holes, and the fastening bolts are movably connected inside the No. 1 through holes and the No. 2 through holes.

[0008] Preferably, the No. 1 through hole and the No. 2 through hole are both provided with internal threads, and the outer side of the fastening bolt is provided with external threads, and the internal threads and the external threads are adapted to each other.

[0009] Preferably, the interior of the No. 1 pin hole and the No. 2 pin hole are both provided with an anti-slip coating, and the anti-slip coating is fixedly arranged inside the No. 1 pin hole and the No. 2 pin hole.

[0010] Preferably, the outer sides of the lifting ear and the spare ear are provided with reinforcing ribs, and the number of the reinforcing ribs is several.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. By connecting the extension plate to the rear of the fixing frame and by matching the pins in the No. 1 pin hole and the No. 2 pin hole with the ends of the leaf spring for installation and use, the width of the bracket is increased, the problem that the leaf spring bracket is prone to breakage during use, which affects the use effect, is solved, and the adaptability of the leaf spring bracket is improved.

[0013] 2. By connecting the card block into the card slot and connecting the fastening bolts into the No. 1 through hole and the No. 2 through hole, the connection between the extension plate and the fixing frame can be achieved, the stability of the extension plate after connection is improved, the protection effect is improved by setting the anti-slip coating, and the structural strength of the lifting ear is improved by setting the reinforcing ribs, thereby improving the use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the disassembly structure of the extension plate and the fixing frame of the utility model;

[0016] Figure 3 It is a side view structural schematic diagram of the utility model;

[0017] Figure 4 It is a schematic diagram of the enlarged structure of the card block of the utility model.

[0018] In the figure: 1. fixing frame; 2. lifting ear; 3. connecting hole No. 1; 4. connecting hole No. 2; 5. pin hole No. 1; 6. extension plate; 7. spare ear; 8. pin hole No. 2; 9. slot; 10. clamping block; 11. through hole No. 1; 12. through hole No. 2; 13. fastening bolt; 14. internal thread; 15. external thread; 16. anti-slip coating; 17. reinforcing rib. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 The utility model provides a technical solution for a heavy-duty vehicle leaf spring bracket: it includes a fixing frame 1 and a lifting ear 2, a No. 1 connecting hole 3 is provided on the top of the fixing frame 1, a No. 2 connecting hole 4 is provided on the front of the fixing frame 1, the No. 1 connecting hole 3 and the No. 2 connecting hole 4 are both multiple in number, a lifting ear 2 is provided at the bottom of the fixing frame 1, the lifting ear 2 is fixedly connected to the bottom of the fixing frame 1, a No. 1 pin hole 5 is provided inside the lifting ear 2, an extension plate 6 is provided at the rear of the fixing frame 1, the extension plate 6 is movably connected to the rear of the fixing frame 1, a spare ear 7 is provided at the bottom of the extension plate 6, a No. 2 pin hole 8 is provided inside the spare ear 7, and the No. 1 pin hole 5 and the No. 2 pin hole 8 have the same specifications.

[0021] Specifically, a card slot 9 is provided at the rear of the fixing frame 1 , and a card block 10 is fixedly connected to the front of the extension plate 6 . The card block 10 is adapted to the card slot 9 , and the extension plate 6 is carded in the card slot 9 through the card block 10 .

[0022] Specifically, two No. 1 through holes 11 are provided at the top and bottom of the slot 9, and the No. 1 through hole 11 extends to the inside of the slot 9. Two No. 2 through holes 12 are provided at the top of the block 10, and the No. 2 through hole 12 extends to the bottom of the block 10. The No. 1 through hole 11 and the No. 2 through hole 12 have the same specifications. Fastening bolts 13 are provided inside the No. 1 through hole 11 and the No. 2 through hole 12, and the fastening bolts 13 are movably connected inside the No. 1 through hole 11 and the No. 2 through hole 12.

[0023] Specifically, the first through hole 11 and the second through hole 12 are both provided with internal threads 14 , and the outer side of the fastening bolt 13 is provided with external threads 15 , and the internal threads 14 and the external threads 15 are adapted to each other.

[0024] Specifically, the interior of the No. 1 pin hole 5 and the No. 2 pin hole 8 are both provided with an anti-slip coating 16 , and the anti-slip coating 16 is fixedly disposed inside the No. 1 pin hole 5 and the No. 2 pin hole 8 .

[0025] Specifically, the outer sides of the lifting ear 2 and the spare ear 7 are both provided with reinforcing ribs 17 , and the number of the reinforcing ribs 17 is several.

[0026] In this embodiment, when the leaf spring bracket is in use, it is fixed to the bottom surface of the frame through the No. 1 connecting hole 3 and the No. 2 connecting hole 4 on the fixing frame 1 by rivets, and the No. 1 pin hole 5 in the lifting ear 2 is matched with the end of the leaf spring for installation and use. When a heavy-duty vehicle is in use, the bottom of the frame is wider. By taking out the extension plate 6 and connecting it to the rear of the fixing frame 1, the No. 1 pin hole 5 and the No. 2 pin hole 8 are matched with the end of the leaf spring for installation and use, the width of the bracket is increased, the problem that the leaf spring bracket is prone to breakage during use, affecting the use effect, and the adaptability of the leaf spring bracket is improved. By connecting the clamping block 10 into the clamping slot 9 and connecting the fastening bolt 13 into the No. 1 through hole 11 and the No. 2 through hole 12, the connection work of the extension plate 6 and the fixing frame 1 can be achieved, the stability of the extension plate 6 after connection is improved, the protection effect is improved by the anti-slip coating 16, and the structural strength of the lifting ear 2 is improved by the reinforcement rib 17, thereby improving the use effect.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heavy-duty vehicle leaf spring bracket, comprising a fixing frame (1) and a lifting lug (2), characterized in that: The top of the fixing frame (1) is provided with a No. 1 connection hole (3), the front of the fixing frame (1) is provided with a No. 2 connection hole (4), the number of the No. 1 connection hole (3) and the No. 2 connection hole (4) are both multiple, the bottom of the fixing frame (1) is provided with a lifting ear (2), the lifting ear (2) is fixedly connected to the bottom of the fixing frame (1), a No. 1 pin hole (5) is provided inside the lifting ear (2), an extension plate (6) is provided at the rear of the fixing frame (1), the extension plate (6) is movably connected to the rear of the fixing frame (1), a spare ear (7) is provided at the bottom of the extension plate (6), a No. 2 pin hole (8) is provided inside the spare ear (7), and the No. 1 pin hole (5) and the No. 2 pin hole (8) have the same specifications.

2. A heavy-duty vehicle leaf spring bracket according to claim 1, characterized in that: A card slot (9) is provided at the rear of the fixing frame (1), a card block (10) is fixedly connected to the front of the extension plate (6), the card block (10) is adapted to the card slot (9), and the extension plate (6) is card-connected inside the card slot (9) through the card block (10).

3. A heavy-duty vehicle leaf spring bracket according to claim 2, characterized in that: The slot (9) is provided with two No. 1 through holes (11) at the top and bottom, and the No. 1 through holes (11) extend to the inside of the slot (9); the block (10) is provided with two No. 2 through holes (12) at the top, and the No. 2 through holes (12) extend to the bottom of the block (10); the No. 1 through holes (11) and the No. 2 through holes (12) have the same specifications; the No. 1 through holes (11) and the No. 2 through holes (12) are provided with fastening bolts (13) inside, and the fastening bolts (13) are movably connected inside the No. 1 through holes (11) and the No. 2 through holes (12).

4. A heavy-duty vehicle leaf spring bracket according to claim 3, characterized in that: The first through hole (11) and the second through hole (12) are both provided with internal threads (14), and the outer side of the fastening bolt (13) is provided with external threads (15), and the internal threads (14) and the external threads (15) are adapted to each other.

5. A heavy-duty vehicle leaf spring bracket according to claim 1, characterized in that: The first pin hole (5) and the second pin hole (8) are both provided with an anti-slip coating (16) inside, and the anti-slip coating (16) is fixedly arranged inside the first pin hole (5) and the second pin hole (8).

6. A heavy-duty vehicle leaf spring bracket according to claim 1, characterized in that: The outer sides of the lifting ear (2) and the spare ear (7) are both provided with reinforcing ribs (17), and the number of the reinforcing ribs (17) is several.