CN211054876U - Trailer plate spring suspension - Google Patents
Trailer plate spring suspension Download PDFInfo
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- CN211054876U CN211054876U CN201921996624.8U CN201921996624U CN211054876U CN 211054876 U CN211054876 U CN 211054876U CN 201921996624 U CN201921996624 U CN 201921996624U CN 211054876 U CN211054876 U CN 211054876U
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- spring steel
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Abstract
The utility model discloses a trailer plate spring suspension, which comprises an elastic steel plate group, wherein a first stud is inserted in the middle end of the elastic steel plate group, the upper end of the first stud is connected with a first nut through a thread, the outer surface of the elastic steel plate group is fixedly connected with a U-shaped elastic steel card through a second stud and a second nut, the inner end of the upper side of the U-shaped elastic steel card is provided with a positioning bulge, the positioning bulge is pressed on the surface of the uppermost layer of the elastic steel plate group, two ends of the middle end elastic steel plate of the elastic steel plate group are provided with rolling lugs, the two ends of the upper end elastic steel plate and the lower end elastic steel plate are supported outside the rolling lugs, the upper end is internally folded when the U-shaped elastic steel card is fixed through the positioning bulge arranged at the inner end of the upper side of the U-shaped elastic steel card, the bottom positioning bulge can, meanwhile, the outer edge of the edge rolling lug is wrapped outside, so that the supporting performance of the edge rolling lug is enhanced.
Description
Technical Field
The utility model relates to a leaf spring hangs the field, and more specifically says, relates to a trailer leaf spring hangs.
Background
The automobile plate spring is the most traditional elastic element in an automobile suspension system, and is used for suspending large-sized vehicles due to the advantages of good reliability, simple structure, short manufacturing process, low cost, greatly simplified structure and the like;
when the plate spring assembly in the trailer plate spring suspension in the prior art is tied and fixed through a steel clamp, the fixing firmness of the elastic steel plate group is still to be improved, the rolling lugs on two sides are generally formed by curling single elastic steel plates, a shaft part is inserted in the rolling lugs during installation, and the supporting force of the rolling lugs is not high enough.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a trailer leaf spring hangs, through set for the position arch in U-shaped elasticity steel card upside inner, the upper end adduction when U-shaped elasticity steel card is fixed, can bottom location arch extrusion elastic steel plate group downwards, can be firm compress tightly the location fixed, improve fixed firm performance, the ear curl is equipped with the turn-up parcel outward simultaneously, strengthens its support performance.
In order to solve the above problems, the utility model adopts the following technical proposal.
A trailer plate spring suspension comprises an elastic steel plate group, wherein a first stud is inserted into the middle end of the elastic steel plate group, the upper end of the first stud is connected with a first nut through threads, the outer side surface of the elastic steel plate group is fixedly connected with a U-shaped elastic steel clamp through a second stud and a second nut, a positioning bulge is arranged at the inner end of the upper side of the U-shaped elastic steel clamp, the positioning bulge is in compression joint with the surface of the uppermost layer of the elastic steel plate group, two ends of an elastic steel plate at the middle end of the elastic steel plate group are provided with lugs, two ends of the elastic steel plate at the upper end and the lower end of the elastic steel plate at the lug position are provided with curled edges and supported outside the lugs, the positioning bulge is arranged at the inner end of the upper side of the U-shaped elastic steel clamp, the upper end is retracted when the U-shaped elastic steel clamp is fixed, the elastic steel plate group can be downwards extruded by the positioning bulge, meanwhile, the outer edge of the edge rolling lug is wrapped outside, so that the supporting performance of the edge rolling lug is enhanced.
Furthermore, the inner of the rolling lug is fixedly connected with a lining, so that the supporting wear-resisting property of the shaft after being installed is improved.
Furthermore, the width of the elastic steel plates of the elastic steel plate group is longitudinally and progressively decreased, the cross section structure is a trapezoidal structure, a triangular support is formed, and the use of steel can be reduced while the supporting force is not reduced.
Furthermore, the U-shaped elastic steel clamps are uniformly distributed on the outer surfaces of the two sides of the elastic steel plate group, and the binding fixing points are uniform and firm.
Furthermore, the first stud is longitudinally inserted into the upper side and the lower side of the elastic steel plate set terminal, and the two sides are fixed during center positioning and installation, so that the firmness is improved.
Compared with the prior art, the utility model has the advantages of:
(1) through set for the position arch in U-shaped elasticity steel card upside inner, the upper end adduction when U-shaped elasticity steel card is fixed, but the protruding elastic steel plate group of downward extrusion of bottom location, can be firm compress tightly the location fixed, improve fixed firm performance, the ear of book peripheral hardware turn-up parcel is outside simultaneously, strengthens its support performance.
(2) The inner of the rolling lug is fixedly connected with a lining, so that the supporting wear resistance of the shaft after installation is improved.
(3) The width of the elastic steel plates of the elastic steel plate group is longitudinally and progressively reduced, the cross section structure is a trapezoidal structure, a triangular support is formed, and the use of steel can be reduced while the supporting force cannot be reduced.
(4) The U-shaped elastic steel clamps are uniformly distributed on the outer surfaces of the two sides of the elastic steel plate group, and the binding fixing points are uniform and firm.
(5) The first studs are longitudinally inserted in the upper side and the lower side of the elastic steel plate group terminal, and the two sides are fixed during center positioning and installation, so that the firmness is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a top view of the overall structure of the present invention;
fig. 3 is a side sectional view of the connection relationship between the U-shaped elastic steel clip and the elastic steel plate set of the present invention.
The reference numbers in the figures illustrate:
the bolt comprises a 1 elastic steel plate group, 2 first studs, 3 first nuts, 5U-shaped elastic steel clamps, 6 second studs, 7 second nuts, 4 curled lugs, 40 bushings and 100 curled edges.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, a trailer plate spring suspension includes an elastic steel plate group 1, a first stud 2 is inserted into the middle end of the elastic steel plate group 1, the upper end of the first stud 2 is connected with a first nut 3 through a thread, the outer side surface of the elastic steel plate group 1 is fixedly connected with a U-shaped elastic steel clip 5 through a second stud 6 and a second nut 7, the inner end of the upper side of the U-shaped elastic steel clip 5 is provided with a positioning protrusion 50, the positioning protrusion 50 is pressed on the uppermost surface of the elastic steel plate group 1, two ends of the elastic steel plate at the middle end of the elastic steel plate group 1 are provided with lugs 4, and two ends of the elastic steel plate at the upper end and the lower end of the lugs 4 at the middle end of the elastic steel plate group 1 are provided with curled edges 100 to.
Referring to fig. 1-3, a bushing 40 is fixedly connected in the ear curl 4 to improve the supporting wear resistance after the shaft is installed, the width of the elastic steel plates of the elastic steel plate group 1 is longitudinally and progressively decreased, the cross section structure is a trapezoid structure to form a triangular support, the use of steel materials can be reduced while the supporting force is not reduced, the U-shaped elastic steel clamps 5 are uniformly distributed on the outer surfaces of the two sides of the elastic steel plate group 1, the binding fixed points are uniform and firm, the first stud 2 is longitudinally inserted in the upper side and the lower side of the terminal of the elastic steel plate group 1, and the two sides are fixed during center positioning installation to improve the firm performance.
The U-shaped elastic steel clip 5 is fixedly connected to the outer side surface of the elastic steel plate group 1 through the second stud 6 and the second nut 7, all positions of the elastic steel plate group 1 can be fixedly bound through the U-shaped elastic steel clip 5, the positioning bulge 50 is arranged at the inner end of the upper side of the U-shaped elastic steel clip 5, after the second nut 7 is locked, the upper end of the U-shaped elastic steel clip 5 is contracted, the positioning bulge 50 is turned inwards, the positioning bulge 50 can be pressed on the uppermost surface of the elastic steel plate group 1, the upper layer of the elastic steel plate group 1 is pressed downwards, and the fixing is firm;
establish reel ear 4 through elastic steel board group 1 middle-end elastic steel board both ends, elastic steel board group 1 middle-end elastic steel board both ends are established reel ear 4 department and are established turn-up 100 at the upper and lower end elastic steel board both ends and support outside reel ear 4, through setting up turn-up 100, the side is supported once more about reel ear 4 department, improves the holding power, and fixedly connected with bush 40 in the reel ear 4 still improves the support wear resistance after the axle mounting.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (5)
1. A trailer leaf spring suspension comprises an elastic steel plate group (1), and is characterized in that: the utility model discloses a spring steel plate group, including spring steel plate group (1), first double-screw bolt (2) are alternate to have first double-screw bolt (2) in the middle-end of spring steel plate group (1), there is first nut (3) first double-screw bolt (2) upper end through threaded connection, the outside surface of spring steel plate group (1) passes through second double-screw bolt (6) and second nut (7) fixedly connected with U-shaped spring steel card (5), U-shaped spring steel card (5) upside inner establishes location arch (50), protruding (50) crimping in location is on spring steel plate group (1) uppermost layer surface, spring steel plate group (1) middle-end spring steel plate both ends establish reel (4) and locate upper and lower end spring steel plate both ends and establish reel (100) and support outside reel (4).
2. A trailer leaf spring suspension according to claim 1, characterized in that: and a bushing (40) is fixedly connected in the rolling lug (4).
3. A trailer leaf spring suspension according to claim 1, characterized in that: the width of the elastic steel plates of the elastic steel plate group (1) is longitudinally and progressively reduced, and the cross section structure is a trapezoidal structure.
4. A trailer leaf spring suspension according to claim 1, characterized in that: the U-shaped elastic steel clamps (5) are uniformly distributed on the outer surfaces of the two sides of the elastic steel plate group (1).
5. A trailer leaf spring suspension according to claim 1, characterized in that: the first studs (2) are longitudinally inserted in the upper side and the lower side of the terminal of the elastic steel plate group (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921996624.8U CN211054876U (en) | 2019-11-19 | 2019-11-19 | Trailer plate spring suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921996624.8U CN211054876U (en) | 2019-11-19 | 2019-11-19 | Trailer plate spring suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211054876U true CN211054876U (en) | 2020-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921996624.8U Active CN211054876U (en) | 2019-11-19 | 2019-11-19 | Trailer plate spring suspension |
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| Country | Link |
|---|---|
| CN (1) | CN211054876U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963601A (en) * | 2020-08-19 | 2020-11-20 | 吴庆祝 | Multistage damping leaf spring |
-
2019
- 2019-11-19 CN CN201921996624.8U patent/CN211054876U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963601A (en) * | 2020-08-19 | 2020-11-20 | 吴庆祝 | Multistage damping leaf spring |
| CN111963601B (en) * | 2020-08-19 | 2022-05-10 | 安徽瑞业钢构股份有限公司 | Multistage damping leaf spring |
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