CN219883641U - Variable stroke limiting device for non-independent suspension - Google Patents
Variable stroke limiting device for non-independent suspension Download PDFInfo
- Publication number
- CN219883641U CN219883641U CN202321268702.9U CN202321268702U CN219883641U CN 219883641 U CN219883641 U CN 219883641U CN 202321268702 U CN202321268702 U CN 202321268702U CN 219883641 U CN219883641 U CN 219883641U
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- Prior art keywords
- rotating shaft
- limiting block
- mounting plate
- variable stroke
- fixed
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- 239000000725 suspension Substances 0.000 title claims abstract description 49
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims 7
- 239000003921 oil Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 235000014121 butter Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Vehicle Body Suspensions (AREA)
Abstract
The utility model relates to the technical field of vehicle parts, in particular to a variable stroke limiting device for a non-independent suspension, which comprises a support, a limiting block, a rotating shaft and a driving piece, wherein the support is fixed on a frame; the lower end face of the limiting block is abutted with the upper end face of the plate spring, and the driving piece can drive the limiting block to rotate through the pull rod and the rotating shaft. According to the utility model, the rotating shaft fixedly connected with the limiting block is driven by the driving piece, and the rotating shaft is pushed to rotate by the pull rod, so that the rotation of the limiting block is controlled.
Description
Technical Field
The utility model relates to the technical field of vehicle parts, in particular to a variable stroke limiting device for a non-independent suspension.
Background
The suspension is a generic term for all force-transmitting connections between the frame and the axle. The suspension is divided into an independent suspension and a non-independent suspension, and an automobile axle carrying the independent suspension is disconnected, and the middle of two coaxial wheels of the automobile is not connected; the automobile axle carrying the non-independent suspension is integral, and two wheels of the automobile are connected together. Common independent suspensions are macpherson suspensions, multi-link suspensions, double wishbone suspensions, and the like. Common non-independent suspensions are torsion beam suspensions and the like.
The vehicle adopting the non-independent suspension, especially the heavy off-road vehicle, has higher gravity center due to the arrangement of the transfer case and the front drive axle under the condition of severe driving road condition, and is particularly easy to roll when driving on a fluctuant road surface, and even has the risk of rollover when serious.
At present, in the prior art, a transverse stabilizer bar is adopted to improve the roll rigidity of a vehicle, so that the roll angle of the vehicle is reduced, and the aim of reducing the side turning risk of the vehicle is fulfilled. However, due to the limited roll stiffness of the stabilizer bar, the goal of reducing the risk of rollover of the vehicle may be achieved under ordinary rough road conditions, but the use requirements may still not be met under extreme conditions.
Disclosure of Invention
The utility model provides a variable stroke limiting device for a non-independent suspension, which aims at solving the problem that an automobile adopting the non-independent suspension is easy to roll or roll over when the road condition is severe, the device does not change the structure of the existing suspension, can be directly modified on the automobile in use, has lower modifying difficulty, and improves the passing capability of the automobile on the off-road fluctuating road under the condition of not influencing the passing performance of the normal road.
In order to achieve the above purpose, the technical scheme adopted by the utility model is that the variable stroke limiting device for the non-independent suspension comprises a support, a limiting block, a rotating shaft and a driving piece, wherein the support is fixed on a frame; the lower end face of the limiting block is abutted with the upper end face of the plate spring, and the driving piece can drive the limiting block to rotate through the pull rod and the rotating shaft. According to the utility model, the rotating shaft fixedly connected with the limiting block is driven by the driving piece, and the rotating shaft is pushed to rotate by the pull rod, so that the rotation of the limiting block is controlled.
Preferably, the pull rod is arranged on the end face of the rotating shaft, and the central axis of the pull rod is parallel to but not coincident with the central axis of the rotating shaft.
Preferably, an annular mounting groove is formed in the outer peripheral surface of the rotating shaft, and a retainer ring is arranged in the mounting groove. The retaining ring is mainly used for fixing the rotating shaft, so that left-right movement of the rotating shaft is avoided.
Preferably, the support comprises a mounting plate and a cylindrical part, the mounting plate is provided with a through hole, one side surface of the mounting plate is fixed on the frame, the other side surface of the mounting plate is fixed with the cylindrical part opposite to the through hole, the inner diameter of the cylindrical part is larger than the outer diameter of the rotating shaft, and the rotating shaft can penetrate through the cylindrical part and the through hole.
Preferably, a baffle column is further arranged on one surface, connected with the cylindrical part, of the mounting plate, one end of the baffle column is fixed to the mounting plate, and the other end of the baffle column extends to the limiting block and abuts against the side surface of the limiting block. The baffle column is used for limiting the rotation angle of the limiting block, so that the limiting block is in parallel contact with the plate spring.
Preferably, the upper end face of the limiting block is a semicircular cambered surface, the lower end face of the limiting block is a plane, a threaded hole is formed in the center of one side of the semicircular cambered surface, an external thread is arranged at one end of the rotating shaft, the rotating shaft can be fixedly connected with the threaded hole through the external thread, and the plane is in butt joint with the upper end face of the plate spring.
Preferably, an elastic piece is fixed on the lower end face of the limiting block. The elastic piece can avoid damage caused by contact between the limiting block and the plate spring.
Preferably, the driving member is provided as a cylinder; one end of the driving piece is fixed on the frame through an air cylinder bracket, and the other end of the driving piece is connected with the pull rod.
Preferably, the cylinder support comprises a strip-shaped mounting plate and mounting pins, fixing holes are formed in two ends of the strip-shaped mounting plate, one ends of the mounting pins are fixed to the middle of the strip-shaped mounting plate, and the mounting pins can penetrate through the end portions of the driving pieces to fix the driving pieces to the frame.
Preferably, the inner wall of the cylindrical part is provided with an oil guide groove, and a reinforcing rib is arranged between the outer side wall of the cylindrical part and the mounting plate. The lubricating oil in the oil guide groove can lubricate the rotating shaft and the inner wall of the cylindrical part.
The beneficial effects of the utility model are as follows:
1. the variable stroke limiting device for the non-independent suspension changes the suspension stroke in a rotating mode, and improves the passing capability of the off-road rough road of an automobile adopting the non-independent suspension, particularly a heavy off-road automobile.
2. The variable stroke limiting device for the non-independent suspension provided by the utility model adopts structures such as a rocker switch, an electromagnetic valve, an air cylinder and the like as a control system, so that a driver can conveniently complete conversion operation in a cab.
3. The variable stroke limiting device for the non-independent suspension provided by the utility model has a simple and reliable structure, can be conveniently and additionally arranged on the existing vehicle, and does not change the structure and performance of the existing suspension.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a variable travel limiting device for a non-independent suspension according to the present utility model.
Fig. 2 is an exploded view of the variable travel limiting device for the non-independent suspension according to the present utility model.
Fig. 3 is a reference diagram of the use state of the variable stroke limiter for the non-independent suspension according to the present utility model.
Fig. 4 is a schematic view of an installation position of a variable travel limiting device for a non-independent suspension according to the present utility model.
In the figure: 1. the device comprises an elastic piece, 2, a limiting block, 3, a rotating shaft, 4, a retainer ring, 5, a reinforcing rib, 6, a baffle column, 7, a grease nipple, 8, a driving piece, 9, a cylinder bracket, 10, an electromagnetic valve, 11, a rocker switch, 12, a frame, 13, a plate spring, 14, a pull rod, 15, a mounting groove, 16, a mounting plate and 17 cylindrical pieces.
Detailed Description
In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.
As shown in fig. 1 to 4, in the present embodiment, the variable stroke limiting device for a non-independent suspension provided by the present utility model includes a support, the support is fixed on a frame 12, and further includes a limiting block 2, a rotating shaft 3, and a driving member 8, one end of the rotating shaft 3 is fixed on the limiting block 2, the other end of the rotating shaft 3 is provided with a pull rod 14, the driving member 8 is fixed on the frame 12, and one end of the rotating shaft 3 provided with the pull rod 14 passes through the support and is connected with a driving end of the driving member 8; the lower end face of the limiting block 2 is abutted against the upper end face of the plate spring 13, and the driving piece 8 can drive the limiting block 2 to rotate through the pull rod 14 and the rotating shaft 3. According to the utility model, through the driving of the driving piece 8, the rotating shaft 3 fixedly connected with the limiting block 2 is driven to rotate by the pull rod 14, so that the rotation of the limiting block 2 is controlled. The pull rod 14 is disposed on an end face of the rotating shaft 3, and a central axis of the pull rod 14 is parallel to but not coincident with a central axis of the rotating shaft 3.
Specifically, an annular mounting groove 15 is formed in the outer peripheral surface of the rotating shaft 3, and a retainer ring 4 is arranged in the mounting groove 15. The retainer ring 4 is mainly used for fixing the rotating shaft 3, so that left-right movement of the rotating shaft is avoided. From the figure, it can be seen that the rotating shaft 3 has a cylindrical structure, and one end of the rotating shaft is provided with external threads for being in threaded connection with the limiting block 2.
As shown in fig. 2, the support mainly includes a mounting plate 16 and a cylindrical member 17, the mounting plate 16 is provided with a through hole, one side of the mounting plate 16 is fixed on the frame 12, the other side of the mounting plate 16 is fixed with the cylindrical member 17 opposite to the through hole, the connection mode between the cylindrical member 17 and the mounting plate 16 is optionally welded, the inner diameter of the cylindrical member 17 is larger than the outer diameter of the rotating shaft 3, so that the rotating shaft 3 can pass through the cylindrical member 17 and the through hole, but not too large, and the inner diameter of the cylindrical member 17 is slightly larger than the outer diameter of the rotating shaft 3. And, the oil guide groove has been seted up to the inner wall of cylindric spare 17, and the mounting hole of grease nipple 7 has been seted up to the lateral wall of cylindric spare 17, mainly used filling butter. Meanwhile, in order to increase the structural strength, the reinforcing ribs 5 are provided between the outer side wall of the cylindrical member 17 and the mounting plate 16, and in this embodiment, 4 reinforcing ribs 5 are provided at intervals between the outer side wall of the cylindrical member 17 and the mounting plate 16. The lubricating oil in the oil guide groove can lubricate the rotating shaft 3 and the inner wall of the cylindrical member 17. The mounting plate 16 is provided with an inner nut hole for mounting the baffle column 6, and the position of the hole can be adjusted according to the requirements of different vehicle types.
As shown in fig. 1 to 2, the baffle column 6 arranged on the surface of the mounting plate 16 connected with the cylindrical member 17 is in a cylindrical rod structure, and the length of the baffle column is greater than the height of the limiting block 2. One end of the baffle column 6 is fixed on the mounting plate 16, and the other end of the baffle column 6 extends to the limiting block 2 and is abutted with the side face of the limiting block 2. The stopper 6 is used for limiting the rotation angle of the stopper 2, so that the stopper 2 is in parallel contact with the plate spring 13.
As can be seen from fig. 2, the upper end surface of the limiting block 2 is a semicircular cambered surface, the lower end surface of the limiting block 2 is a plane, a threaded hole is formed in the center of one side of the semicircular cambered surface, one end of the rotating shaft 3 is provided with external threads, the rotating shaft 3 can be fixedly connected with the threaded hole through the external threads, and the plane is in butt joint with the upper end surface of the plate spring 13. Simultaneously, the elastic piece 1 is fixed with to the lower terminal surface of stopper 2, and elastic piece 1 can avoid between stopper 2 and the leaf spring 13 because the contact causes the damage.
In the present embodiment, the driving member 8 is provided as a cylinder; one end of the driving member 8 is fixed to the frame 12 through the cylinder bracket 9, and the other end of the driving member 8 is connected to the tie rod 14. Specifically, cylinder support 9 includes bar mounting panel and mounting pin, and the fixed orifices has all been seted up at the both ends of bar mounting panel, and the one end of mounting pin is fixed in the middle part of bar mounting panel, and the mounting pin can pass the tip of driving piece 8 in order to be fixed in frame 12 with the driving piece, carries out the spacing to the driving piece for better, and the mounting pin bottom still is provided with the boss, reaches the effect of limiting the position of driving piece 8. The top end of the mounting pin is provided with external threads for mounting a fixing nut to fix the driving member 8.
As shown in fig. 1 to 4, the working principle of the variable travel limiting device for the non-independent suspension is as follows:
as shown in fig. 4, after the rocker switch 11 is pressed by the electromagnetic valve 10 and the rocker switch 11, the air path of the electromagnetic valve 10 is connected, high-pressure air enters the air cylinder through the electromagnetic valve 10, and the air cylinder pushes the rotating shaft 3 to rotate under the action of the high-pressure air, so that the rotation of the limiting block 2 is controlled.
The beneficial effects of the utility model are as follows:
1. the variable stroke limiting device for the non-independent suspension changes the suspension stroke in a rotating mode, and improves the passing capability of the off-road rough road of an automobile adopting the non-independent suspension, particularly a heavy off-road automobile.
2. The variable stroke limiting device for the non-independent suspension provided by the utility model adopts structures such as a rocker switch, an electromagnetic valve, an air cylinder and the like as a control system, so that a driver can conveniently complete conversion operation in a cab.
3. The variable stroke limiting device for the non-independent suspension provided by the utility model has a simple and reliable structure, can be conveniently and additionally arranged on the existing vehicle, and does not change the structure and performance of the existing suspension.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The variable stroke limiting device for the non-independent suspension comprises a support, wherein the support is fixed on a frame, and is characterized by further comprising a limiting block, a rotating shaft and a driving piece, wherein one end of the rotating shaft is fixed on the limiting block, the other end of the rotating shaft is provided with a pull rod, the driving piece is fixed on the frame, and one end of the rotating shaft provided with the pull rod penetrates through the support and is connected with the driving end of the driving piece; the lower end face of the limiting block is abutted with the upper end face of the plate spring, and the driving piece can drive the limiting block to rotate through the pull rod and the rotating shaft.
2. The variable stroke limiting device for a dependent suspension according to claim 1, wherein the pull rod is arranged on an end face of the rotating shaft, and a central axis of the pull rod is parallel to but not coincident with a central axis of the rotating shaft.
3. The variable stroke limiting device for a dependent suspension according to claim 1, wherein an annular mounting groove is formed in the outer peripheral surface of the rotating shaft, and a retainer ring is arranged in the mounting groove.
4. The variable stroke limiting device for a dependent suspension according to claim 1, wherein the support comprises a mounting plate and a cylindrical member, the mounting plate is provided with a through hole, one side surface of the mounting plate is fixed on the frame, the other side surface of the mounting plate is fixed with the cylindrical member facing the through hole, the inner diameter of the cylindrical member is larger than the outer diameter of the rotating shaft, and the rotating shaft can pass through the cylindrical member and the through hole.
5. The variable stroke limiting device for a dependent suspension according to claim 4, wherein a baffle column is further arranged on one surface of the mounting plate connected with the cylindrical member, one end of the baffle column is fixed to the mounting plate, and the other end of the baffle column extends to the limiting block and abuts against the side surface of the limiting block.
6. The variable stroke limiting device for the non-independent suspension according to claim 1, wherein the upper end face of the limiting block is a semicircular cambered surface, the lower end face of the limiting block is a plane, a threaded hole is formed in the center of one side of the semicircular cambered surface, an external thread is arranged at one end of the rotating shaft, the rotating shaft can be fixedly connected with the threaded hole through the external thread, and the plane is abutted to the upper end face of the plate spring.
7. The variable stroke limiter for a dependent suspension of claim 6, wherein the lower end face of the limiter is fixed with an elastic member.
8. The variable stroke limiter for non-independent suspension according to claim 1, wherein the driver is provided as a cylinder; one end of the driving piece is fixed on the frame through an air cylinder bracket, and the other end of the driving piece is connected with the pull rod.
9. The variable stroke limiting device for a dependent suspension of claim 8, wherein the cylinder bracket comprises a strip-shaped mounting plate and a mounting pin, both ends of the strip-shaped mounting plate are provided with fixing holes, one end of the mounting pin is fixed to the middle part of the strip-shaped mounting plate, and the mounting pin can pass through the end part of the driving piece to fix the driving piece to the frame.
10. The variable stroke limiting device for a dependent suspension of claim 4, wherein an oil guiding groove is formed in the inner wall of the cylindrical member, and a reinforcing rib is arranged between the outer side wall of the cylindrical member and the mounting plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321268702.9U CN219883641U (en) | 2023-05-22 | 2023-05-22 | Variable stroke limiting device for non-independent suspension |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321268702.9U CN219883641U (en) | 2023-05-22 | 2023-05-22 | Variable stroke limiting device for non-independent suspension |
Publications (1)
Publication Number | Publication Date |
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CN219883641U true CN219883641U (en) | 2023-10-24 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202321268702.9U Active CN219883641U (en) | 2023-05-22 | 2023-05-22 | Variable stroke limiting device for non-independent suspension |
Country Status (1)
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CN (1) | CN219883641U (en) |
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2023
- 2023-05-22 CN CN202321268702.9U patent/CN219883641U/en active Active
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