CN212827745U - Leaf spring fixing device - Google Patents
Leaf spring fixing device Download PDFInfo
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- CN212827745U CN212827745U CN202020911370.1U CN202020911370U CN212827745U CN 212827745 U CN212827745 U CN 212827745U CN 202020911370 U CN202020911370 U CN 202020911370U CN 212827745 U CN212827745 U CN 212827745U
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- lifting lug
- plate spring
- movable
- leaf spring
- fixed
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Abstract
The utility model discloses a plate spring fixing device, which comprises a fixed end bracket, a movable end bracket, a bushing and a movable lifting lug, wherein the fixed end bracket comprises a fixed piece and an inverted U-shaped hanging bracket which are welded with each other, the upper end of the fixed piece is fixed on the front end surface of a frame longitudinal beam, and the inverted U-shaped hanging bracket is connected with a plate spring by matching a plate spring pin with a corresponding nut; the upper end of the movable end support is fixed on the rear end face of the frame longitudinal beam, the bush penetrates through the frame longitudinal beam and the movable end support in sequence and is welded with the frame longitudinal beam and the movable end support, the movable lifting lug is sequentially inserted into the upper end of the movable lifting lug and the bush through the plate spring pin and then is connected with the movable end support through the matched nut, and the lower end of the movable lifting lug is connected with the plate spring through the matched nut corresponding to the plate spring pin. The utility model discloses can enough realize the fixed mounting of leaf spring, can also satisfy suspension system elastic element, bumper shock absorber and guiding mechanism's effect, the device is simple reliable, low in manufacturing cost, practicality are strong again simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the installation of car leaf spring, especially, relate to a leaf spring fixing device.
Background
The commercial vehicle adopts a non-independent suspension system based on the consideration of cost and use working conditions, wherein a longitudinally-arranged plate spring structure is the most common. The main parts of the longitudinal leaf spring suspension system comprise leaf springs, U-shaped bolts, leaf spring pins, leaf spring fixing supports and other standard parts. The plate spring fixing bracket is connected with the frame through high-strength bolts in a cast form on the heavy and medium-sized commercial vehicle, and the light commercial vehicle is newly connected with the frame through rivets in a form which mostly adopts stamping parts. However, the manufacturing process of the above two structures involves a casting and stamping process, and manufacturers are required to have casting equipment and stamping equipment on production equipment, which results in large production investment and high single-piece cost of parts at the initial stage. The plate spring fixing support with the two structures increases the production cost of a host factory for producing small-batch multi-vehicle types, and is not favorable for product sale.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the host computer place of small batch multi-vehicle type, design low-cost, the high reliable suspension system fixing device of one kind, it is specific:
the utility model provides a plate spring fixing device, which comprises a fixed end bracket, a movable end bracket, a bushing and a movable lifting lug, wherein the fixed end bracket comprises a fixed sheet and an inverted U-shaped hanging bracket which are welded with each other, the upper end of the fixed sheet is fixed on the front end surface of a frame longitudinal beam, and the inverted U-shaped hanging bracket is connected with a plate spring by matching a plate spring pin with a corresponding nut; the movable end support is fixed at the upper end of the frame longitudinal beam rear end face, the bush penetrates through the frame longitudinal beam and the movable end support in sequence and is welded with the frame longitudinal beam and the movable end support, the movable lifting lugs are inserted into the upper ends of the movable lifting lugs in sequence through the plate spring pins, the movable lifting lugs are matched with nuts behind the bush to achieve connection with the movable end support, and the lower ends of the movable lifting lugs are matched with corresponding nuts through the plate spring pins to achieve connection with the plate springs.
Preferably, the end face of the plate spring pin is an incomplete round face to form a tangent plane, a limiting block is arranged on the front end face of the movable lifting lug, a notch is formed in the lower end of the fixed piece, the tangent plane of the plate spring pin connected to the movable lifting lug is attached to the end part of the limiting block, and the tangent plane end of the plate spring pin connected to the inverted U-shaped hanging bracket is embedded into the notch.
Preferably, the movable lifting lug comprises a front lifting lug and a rear lifting lug, the plate spring pin is sequentially inserted into through holes in the front lifting lug and the rear lifting lug, and the limiting block is arranged on the front lifting lug.
Preferably, the bushing is formed by sleeving an outer seamless steel sleeve and an inner copper alloy bushing.
Preferably, the end head of the plate spring pin is provided with a straight-through grease nozzle.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model discloses a stiff end support, expansion end support, copper alloy bush, activity lug, leaf spring round pin and standard component constitute, such structural style has satisfied suspension system elastic element, bumper shock absorber and guiding mechanism's effect simultaneously, and the device is simple reliable again, low in manufacturing cost, practicality are strong simultaneously, can also ensure system stability and life.
Drawings
Fig. 1 is a schematic view of the overall structure of the leaf spring fixing device provided by the present invention;
fig. 2 is a schematic view of the fixed end bracket assembly structure provided by the present invention;
fig. 3 is a schematic view of a front view structure of the fixed end bracket provided by the present invention;
fig. 4 is a schematic side view of the fixed end bracket according to the present invention;
fig. 5 is a schematic view of an assembly structure of the movable end bracket provided by the present invention;
fig. 6 is a schematic side view of the movable end bracket according to the present invention;
fig. 7 is a schematic view of a front view structure of the movable end bracket provided by the present invention;
fig. 8 is a schematic side view of the bushing according to the present invention;
FIG. 9 is a cross-sectional view taken at A-A in FIG. 8;
fig. 10 is a schematic side view of the front lifting lug provided by the present invention;
fig. 11 is a schematic view of a front view structure of the rear lifting lug provided by the present invention;
fig. 12 is a schematic structural view of a leaf spring pin provided by the present invention;
fig. 13 is a schematic structural view of an end face of a leaf spring pin according to the present invention.
Description of the reference numerals
A fixed end bracket 1; a fixing piece 11; a notch 111; a U-shaped hanger 12; a frame rail 2; a movable lifting lug 3; a front lug 31; a stopper 32; a rear lifting lug 33; a movable end bracket 4; a plate spring 5; a straight-through grease nipple 6; a leaf spring pin 7; cutting into a section 71; and a bushing 8.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.
The technical solution of the present invention will be explained with reference to the specific embodiments.
As shown in fig. 1-13, a leaf spring fixing device comprises a fixed end bracket 1, a movable end bracket 4, a bushing 8 and a movable lifting lug 3, wherein the fixed end bracket 1 comprises a fixed plate 11 and an inverted U-shaped hanger 12 which are welded with each other, the upper end of the fixed plate 11 is fixed on the front end surface of a frame longitudinal beam 2, and the inverted U-shaped hanger 12 is connected with a leaf spring 5 through a leaf spring pin 7 in a matching way with a corresponding nut; the upper end of the movable end support 4 is fixed on the rear end face of the frame longitudinal beam 2, the lining 8 penetrates through the frame longitudinal beam 2 and the movable end support 4 in sequence and is welded with the frame longitudinal beam 2 and the movable end support 4, the movable lifting lugs 3 are sequentially inserted into the upper ends of the movable lifting lugs 3 and the lining 8 through the plate spring pins 7 and then are connected with the movable end support 4 through nuts, and the lower ends of the movable lifting lugs 3 are connected with the plate springs 5 through the plate spring pins 7 matched with the corresponding nuts.
Wherein the fixing plate 11 and the frame longitudinal beam 2; the movable end bracket 4 and the frame longitudinal beam 2 can be riveted;
the utility model adopts the above-mentioned fixed end support, expansion end support, bush, activity lug and leaf spring round pin etc. realize the fixed mounting of leaf spring, such structural style can satisfy suspension system elastic element, bumper shock absorber and guiding mechanism's effect, and the device is simple reliable again simultaneously, low in manufacturing cost, practicality are strong, can also ensure system stability and life.
Further, the end face of the plate spring pin 7 is an incomplete circular face to form a tangent plane 71, the front end face of the movable lifting lug 3 is provided with a limiting block 32, the lower end of the fixed piece 11 is provided with a notch 111, the tangent plane 71 of the plate spring pin 7 connected to the movable lifting lug 3 is attached to the end part of the limiting block 32, and the tangent plane 71 end of the plate spring pin 7 connected to the inverted U-shaped hanging bracket 12 is embedded into the notch 111; the design can effectively prevent the loosening problem caused by rotation after the plate spring pin 7 is locked; specifically, the movable lifting lug 3 comprises a front lifting lug 31 and a rear lifting lug 33, the plate spring pin 7 is sequentially inserted into through holes in the front lifting lug 31 and the rear lifting lug 33, the limiting block 32 is arranged on the front lifting lug 31, and the limiting block 32 and the front lifting lug 31 can be connected in an integrally formed mode.
In order to ensure the integral use strength and the inner wear resistance of the lining 8, the lining 8 is formed by sleeving an outer seamless steel sleeve and an inner copper alloy lining.
In order to conveniently inject lubricating oil into the plate spring pin 7, a straight-through grease nipple 6 is arranged at the end of the plate spring pin 7.
The embodiments given above are preferred examples for implementing the present invention, and the present invention is not limited to the above-described embodiments. Any non-essential addition and replacement made by the technical features of the technical solution of the present invention by those skilled in the art all belong to the protection scope of the present invention.
Claims (5)
1. The plate spring fixing device is characterized by comprising a fixed end support (1), a movable end support (4), a bushing (8) and a movable lifting lug (3), wherein the fixed end support (1) comprises a fixing piece (11) and an inverted U-shaped hanging bracket (12) which are welded with each other, the upper end of the fixing piece (11) is fixed on the front end surface of a frame longitudinal beam (2), and the inverted U-shaped hanging bracket (12) is matched with a corresponding nut through a plate spring pin (7) to realize connection with a plate spring (5); the utility model discloses a bicycle frame, including solebar (2), activity end support (4), bush (8) run through in proper order solebar (2) with activity end support (4) and with both welding, activity lug (3) insert in proper order through leaf spring round pin (7) activity lug (3) upper end with cooperate the nut behind bush (8) realize with the connection of activity end support (4), activity lug (3) lower extreme through the corresponding nut realization of leaf spring round pin (7) cooperation with the connection of leaf spring (5).
2. The plate spring fixing device according to claim 1, wherein the end face of the plate spring pin (7) is an incomplete circular face to form a tangent plane (71), a limit block (32) is arranged on the front end face of the movable lifting lug (3), a notch (111) is arranged at the lower end of the fixed plate (11), the tangent plane (71) of the plate spring pin (7) connected to the movable lifting lug (3) is attached to the end of the limit block (32), and the tangent plane (71) end of the plate spring pin (7) connected to the inverted U-shaped hanging bracket (12) is embedded into the notch (111).
3. The leaf spring fixing device according to claim 2, wherein the movable lifting lug (3) comprises a front lifting lug (31) and a rear lifting lug (33), the leaf spring pin (7) is inserted into the through holes of the front lifting lug (31) and the rear lifting lug (33) in sequence, and the limiting block (32) is arranged on the front lifting lug (31).
4. The leaf spring fixing device according to claim 1, characterized in that the bushing (8) consists of an outer seamless steel sleeve and an inner copper alloy bushing which are nested into each other.
5. The leaf spring fixation device according to claim 1, characterized in that the leaf spring pin (7) ends with a through grease nipple (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020911370.1U CN212827745U (en) | 2020-05-27 | 2020-05-27 | Leaf spring fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020911370.1U CN212827745U (en) | 2020-05-27 | 2020-05-27 | Leaf spring fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212827745U true CN212827745U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020911370.1U Active CN212827745U (en) | 2020-05-27 | 2020-05-27 | Leaf spring fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212827745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113492915A (en) * | 2021-05-18 | 2021-10-12 | 华中科技大学 | All-aluminum alloy mortise and tenon type hard point assembly of mini bus frame |
-
2020
- 2020-05-27 CN CN202020911370.1U patent/CN212827745U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113492915A (en) * | 2021-05-18 | 2021-10-12 | 华中科技大学 | All-aluminum alloy mortise and tenon type hard point assembly of mini bus frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210426 Address after: No.6 Zhanqian Avenue, caijiapo economic and Technological Development Zone, Qishan County, Baoji City, Shaanxi Province Patentee after: SHAANQI GROUP COMMERCIAL VEHICLE Co.,Ltd. Address before: 710200 Jingwei Industrial Zone, Xi'an economic and Technological Development Zone, Shaanxi, China Patentee before: Shaanxi Automobile Holding Group Co.,Ltd. Patentee before: SHAANQI GROUP COMMERCIAL VEHICLE Co.,Ltd. |
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| TR01 | Transfer of patent right |