CN112572078A - Air suspension's arc guide arm - Google Patents
Air suspension's arc guide arm Download PDFInfo
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- CN112572078A CN112572078A CN202011496495.3A CN202011496495A CN112572078A CN 112572078 A CN112572078 A CN 112572078A CN 202011496495 A CN202011496495 A CN 202011496495A CN 112572078 A CN112572078 A CN 112572078A
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- arm body
- guide arm
- guide
- arc
- positioning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/26—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs
- B60G11/28—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/26—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs
- B60G11/27—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs wherein the fluid is a gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/001—Suspension arms, e.g. constructional features
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/15—Fluid spring
- B60G2202/152—Pneumatic spring
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention relates to the technical field of automobile accessories, in particular to an air-suspended arc-shaped guide arm, which comprises a bushing, a guide arm body, a heat dissipation structure, a connection structure, a limiting structure, a positioning structure and a driving structure, wherein the bushing is arranged on the guide arm body; the structure of "Z" font in the past is changed to the guiding arm body of arc structure, use arc, make the guiding arm body add man-hour deflection and residual stress littleer, long service life, the arc structure and the cooperation of circular cross-section axle of guiding arm body use simultaneously, because of its shape is closer with the circle, can realize the installation of axle and guiding arm with more exquisite part, positioning structure's installation makes the installation between guiding arm body and the axle dismantle convenient and fast more simultaneously, when being convenient for shake between axle and guiding arm body, promote the inside circulation of air of guiding arm body through heat radiation structure, cool down the guiding arm body through the quick the air-cooling, and then effectual prevention is in deformation in-process guiding arm body long-pending hot influence performance.
Description
Technical Field
The invention relates to the technical field of automobile parts, in particular to an air suspension arc-shaped guide arm.
Background
The automobile is the most important vehicle and plays an irreplaceable role in the daily life of people; the automobile suspension system is an important core component in an automobile, is mainly used for transmitting force and torque in all directions between a frame and an automobile body and relieving impact load transmitted to the automobile body by tires under the conditions of uneven road surface and different loads, thereby ensuring the driving stability of the automobile, the comfort of drivers and passengers, the stability of carrying goods and prolonging the service life of relevant parts of the automobile.
However, because the guiding arm is formed by one or two leaf spring processing usually, it is possible to break in practical application, the guiding arm fracture then can cause very big potential safety hazard to the vehicle, and the deflection and the residual stress of guiding arm are great, the occupation space of guiding arm is great, simultaneously the guiding arm is most and the suspension between bolted connection, the installation is dismantled inefficiently, and the bolt is big at lateral pressure in the use, cause the bolt fracture easily, and generate heat easily at guiding arm deformation in-process, influence the performance of guiding arm easily when using for a long time.
Disclosure of Invention
In view of the problems in the prior art, the present invention provides an air suspension arc guide arm.
The technical scheme adopted by the invention for solving the technical problems is as follows: an air-suspended arc-shaped guide arm comprises a bushing, a guide arm body, a heat dissipation structure, a connecting structure, a limiting structure, a positioning structure and a driving structure; one end of the guide arm body is provided with the bushing with a cylindrical structure, and the guide arm body is of an arc structure; the guide arm body is provided with the positioning structure for positioning the axle; the guide arm body is provided with the heat dissipation structure for dissipating heat of the guide arm body; the connecting structure is arranged at one end, away from the bush, of the guide arm body, the connecting structure is connected to the driving structure, and the driving structure is arranged inside the guide arm body; the guide arm body is provided with a limiting structure used for limiting the driving structure, and the limiting structure is detachably connected with the guide arm body.
Specifically, the positioning structure comprises a positioning block, a first positioning hole and a second positioning hole, the positioning block is arranged at the arc-shaped concave part in the middle of the guide arm body, the two second positioning holes are arranged in the positioning block along the extending direction of the guide arm body, the first positioning hole perpendicular to the second positioning holes is arranged on the positioning block, and the sections of the first positioning hole and the second positioning hole are both arc-shaped structures; one end of the guide arm body is provided with the bushing with a cylindrical structure, and the guide arm body is of an arc-shaped structure.
Specifically, the heat dissipation structure comprises a fixing plate, a first filter screen, a second filter screen, a driving rod, a transmission rod, a piston, a pressurizing chamber and a heat dissipation groove, the end of the guide arm body facing the bushing is provided with the plenum chamber for promoting air circulation, the heat dissipation groove penetrates through the interior of the guide arm body, one end of the heat dissipation groove is communicated with the pressurizing chamber, the other end of the heat dissipation groove extends to the second filter screen which is fixed at one end of the guide arm body back to the lining, the piston is connected with the pressurizing chamber in a sliding way, the pressurizing chamber is communicated with the first filter screen on the guide arm body, one end of the transmission rod is fixed on the piston, the other end of the transmission rod is provided with the driving rod which is connected in a rotating mode, and the driving rod is connected with the fixing plate in a rotating mode.
Specifically, connection structure includes dead lever, fixture block, leading wheel, driving plate, pivot and guide way, the dead lever with block between the guide arm body, the dead lever is located the guide arm body deviates from the one end of bush, rectangle array block has four on the dead lever the fixture block, the fixture block with sliding connection between the guide arm body, the fixture block deviates from the one end of dead lever is equipped with rotates the connection the leading wheel, the leading wheel with the arc structure of slope setting on the driving plate roll connection between the guide way, pivot through connection in the driving plate with the guide arm body, the pivot with rotate between the guide arm body and be connected.
Specifically, the drive structure includes lead screw, rack and gear, the rack with sliding connection between the guide arm body, the gear is fixed in the pivot, the rack with mesh between the gear, the lead screw with rotate between the guide arm body and be connected, the lead screw with threaded connection between the rack, the lead screw deviates from the cross-section of the one end of rack is the gear form.
Specifically, the limiting structure comprises a guide shaft, a clamping sleeve and a mounting block, the guide shaft is connected with the mounting block and the guide arm body in a penetrating manner, and the clamping sleeve clamped with the screw rod is arranged on the mounting block; the clamping sleeve is meshed with the screw rod.
The invention has the beneficial effects that:
(1) according to the air suspension arc-shaped guide arm, the guide arm body of the arc-shaped structure is changed into the traditional Z-shaped structure, and is arc-shaped, so that the deformation and residual stress of the guide arm body are smaller during machining, the service life is longer, meanwhile, the arc-shaped structure of the guide arm body is matched with an axle with a circular cross section for use, and the shape of the guide arm body is closer to that of the circle, so that the axle and the guide arm can be installed by using smaller parts, the overall weight of a suspension system is greatly reduced, and greater economic benefits are brought, and meanwhile, the installation and the disassembly between the guide arm body and the axle are more convenient and faster due to the installation of the positioning structure, namely: the first locating hole and the second locating hole that set up perpendicularly on the locating piece on the guiding arm body are convenient for fix a position, this kind of mode is more convenient than bolt and round pin axle location, the fastness and the stability of the junction of guiding arm body and axle have been improved, the guiding arm body of arc structure changes the structure of "Z" font in the past, it is arc to use, the deflection and residual stress are littleer when making the guiding arm body add man-hour, long service life, simultaneously the arc structure and the circular cross section axle cooperation of guiding arm body are used, because of its shape is closer with the circle, can realize the installation of axle and guiding arm with more exquisite part, greatly reduced suspension's whole weight, bring bigger economic benefits.
(2) According to the air suspension arc-shaped guide arm, the guide arm body is provided with the heat dissipation structure for dissipating heat of the guide arm body; and then be convenient for when shaking between axle and guide arm body, promote the inside circulation of air of guide arm body through heat radiation structure, cool down the guide arm body through the air-cooling is quick, and then effectual prevention guide arm body is long-pending hot influence performance in deformation process, promptly: after the guide arm body and the axle are fixed, the fixing plate is arranged at one end of the axle, which is far away from the positioning block, when the guide arm body deforms, the distance between the guide arm body and the axle changes, when the guide arm body is pressed down, the pressurizing chamber on the guide arm body slides with the piston, the piston drives the transmission rod and the driving rod to rotate in the sliding process of the pressurizing chamber, the driving rod rotates with the fixing plate, when the piston slides with the guide arm body, the variable force of the guide arm body is consumed, and the rectangular pressure relief and support effect on the guide arm body are further realized, so that the guide arm body is more stable in use, and when the piston slides in the direction far away from the bush, the piston seals the through hole where the first filter screen is located, so that the gas in the pressurizing chamber is discharged from the heat dissipation groove and then from the second filter screen, and further the air circulation in the, be convenient for dispel the heat to the guiding arm body, effectively prevent that the deformation of guiding arm body from causing long-pending heat, the effectual sweeps that prevents of setting up of first filter screen and second filter screen blocks up plenum chamber and radiating groove simultaneously, and then has improved the radiating effect greatly.
(3) According to the air suspension arc-shaped guide arm, one end, away from a lining, of a guide arm body is provided with a connecting structure, the connecting structure is connected with a driving structure, and the driving structure is arranged inside the guide arm body; be equipped with on the leading arm body and be used for carrying out spacing limit structure to drive structure, can dismantle between limit structure and the leading arm body and be connected, and then be convenient for be connected between connection structure and the leading arm body through drive structure is quick, and then make and be connected convenient and fast more between leading arm body and the suspension, the lateral pressure of bolt has been reduced simultaneously, the fastness of connection has been improved greatly, limit structure's setting is convenient for carry on spacingly to drive structure simultaneously, make the connection between connection structure and the leading arm body more firm, promptly: firstly, fixing a fixed rod on a suspension, when a guide arm body is installed, clamping the fixed rod with the guide arm body, then clamping the fixed rod with a screw rod by using an inner hexagonal wrench, anticlockwise rotating the screw rod, driving a rack to slide in a direction deviating from the screw rod by screw threads of the screw rod, enabling a rack driving gear to rotate clockwise, driving a transmission disc to rotate clockwise by a gear, driving a guide wheel to rotate by a guide groove on the transmission disc, enabling the guide wheel to drive a clamping block to slide towards the direction of the fixed rod, enabling the clamping block to be abutted against and clamped with the fixed rod, simultaneously, four clamping blocks are arranged, further, the fixed rod and the guide arm body can be conveniently and rapidly installed and disassembled, simultaneously, the clamping block is in sliding connection with the guide arm body, clamping between the clamping block and the fixed rod, further, greatly improving the firmness, reducing the lateral pressure of, promote the installation piece, pass through the bolt fastening in the guide arm body with the one end that the installation piece deviates from the guiding axle, make the installation piece rotate around the guiding axle, make cutting ferrule and lead screw block on the installation piece, and then the effectual lead screw that prevents rotates, and then improved the steadiness greatly.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the overall structure of a preferred embodiment of an air suspension arcuate guide arm provided in accordance with the present invention;
FIG. 2 is an enlarged view of the part A shown in FIG. 1;
FIG. 3 is a schematic view of the connection structure of the guide arm body and the fixing bar shown in FIG. 1;
fig. 4 is a schematic view of a connection structure between the guide arm body and the heat dissipation structure shown in fig. 1;
FIG. 5 is a schematic structural view of the positioning structure shown in FIG. 4;
FIG. 6 is an enlarged view of the portion B shown in FIG. 4;
FIG. 7 is a schematic structural view of the connection structure shown in FIG. 6;
fig. 8 is a schematic structural view of the limiting structure shown in fig. 1.
In the figure: 1. the bushing, 2, the guide arm body, 3, the heat radiation structure, 31, the fixing plate, 32, the first filter screen, 33, the second filter screen, 34, the driving rod, 35, the transmission rod, 36, the piston, 37, the pressurizing chamber, 38, the heat radiation groove, 4, the connecting structure, 41, the fixing rod, 42, the clamping block, 43, the guide wheel, 44, the transmission disc, 45, the rotating shaft, 46, the guide groove, 5, the limiting structure, 51, the guide shaft, 52, the clamping sleeve, 53, the mounting block, 6, the positioning structure, 61, the positioning block, 62, the first positioning hole, 63, the second positioning hole, 7, the driving structure, 71, the screw rod, 72, the rack, 73 and the gear.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-8, the arc-shaped guide arm for air suspension according to the present invention includes a bushing 1, a guide arm body 2, a heat dissipation structure 3, a connection structure 4, a limiting structure 5, a positioning structure 6, and a driving structure 7; one end of the guide arm body 2 is provided with the bush 1 with a cylindrical structure, and the guide arm body 2 is of an arc structure; the guide arm body 2 is provided with the positioning structure 6 for positioning the axle; the guide arm body 2 is provided with the heat dissipation structure 3 for dissipating heat of the guide arm body 2; the connecting structure 4 is arranged at one end of the guide arm body 2, which is far away from the bushing 1, the connecting structure 4 is connected to the driving structure 7, and the driving structure 7 is arranged inside the guide arm body 2; the guide arm body 2 is provided with a limiting structure 5 for limiting the driving structure 7, and the limiting structure 5 is detachably connected with the guide arm body 2.
Specifically, the positioning structure 6 includes a positioning block 61, a first positioning hole 62 and a second positioning hole 63, the positioning block 61 is disposed at an arc-shaped concave portion in the middle of the guide arm body 2, the positioning block 61 is provided with two second positioning holes 63 along the extending direction of the guide arm body 2, the positioning block 61 is provided with the first positioning hole 61 perpendicular to the second positioning holes 63, and the cross sections of the first positioning hole 62 and the second positioning holes 63 are both arc-shaped structures; one end of the guide arm body 2 is provided with the bush 1 with a cylindrical structure, and the guide arm body 2 is of an arc structure; the guide arm body 2 is provided with the positioning structure 6 for positioning the axle; the arc structure the guide arm body 2 changes the structure of "Z" font in the past, uses arc, makes the guide arm body adds that man-hour deflection and residual stress are littleer, and life is longer, simultaneously the arc structure of guide arm body 2 uses with the cooperation of circle cross-section axle, because of its shape is more close with the circle, can realize the installation of axle and guide arm with more exquisite part, greatly reduced suspension's whole weight brings bigger economic benefits, simultaneously the installation of location structure 6 makes installation dismantlement convenient and fast more between guide arm body 2 and the axle, promptly: the first positioning hole 62 and the second positioning hole 63 which are vertically arranged on the positioning block 61 on the guide arm body 2 are convenient to position, the mode is more convenient to position than bolts and pin shafts, the firmness and the stability of the connection part of the guide arm body 2 and an axle are improved, the guide arm body 2 of an arc-shaped structure is changed into a Z-shaped structure, and the arc-shaped structure is used, so that the deformation and the residual stress of the guide arm body during machining are smaller, the service life is longer, meanwhile, the arc-shaped structure of the guide arm body 2 is matched with the axle with a circular cross section, and the installation of the axle and the guide arm can be realized by smaller parts due to the fact that the shape of the arc-shaped structure is closer to the circle, the overall weight of a suspension system is greatly reduced, and greater economic benefits are brought.
Specifically, the heat dissipation structure 3 includes a fixing plate 31, a first filter 32, a second filter 33, an actuating rod 34, an actuating rod 35, a piston 36, a pumping chamber 37 and a heat dissipation groove 38, the guide arm body 2 is provided with the pumping chamber 37 for promoting air circulation towards one end of the bushing 1, the heat dissipation groove 38 runs through the inside of the guide arm body 2, one end of the heat dissipation groove 38 is communicated with the pumping chamber 37, the other end of the heat dissipation groove 38 extends to the second filter 33, the second filter 33 is fixed at the end of the guide arm body 2 back to the bushing 1, the piston 36 is connected with the pumping chamber 37 in a sliding manner, the pumping chamber 37 is communicated with the first filter 32 on the guide arm body 2, one end of the actuating rod 35 is fixed to the piston 36, the other end of the actuating rod 35 is provided with the actuating rod 34 in a rotating connection, the driving rod 34 is rotatably connected with the fixed plate 31; the guide arm body 2 is provided with the heat dissipation structure 3 for dissipating heat of the guide arm body 2; and then be convenient for at the axle with when shaking between the guiding arm body 2, through heat radiation structure 3 promotes the circulation of air of the inside of guiding arm body 2, through the quick pair of air-cooling guiding arm body 2 cools down, and then the effectual accumulated heat of preventing at deformation in-process guiding arm body 2 influences performance, promptly: after the guide arm body 2 and the axle are fixed, the fixing plate 31 is arranged at one end of the axle, which is far away from the positioning block 61, when the guide arm body 2 deforms, the distance between the guide arm body 2 and the axle changes, when the guide arm body 2 is pressed down, the pressurizing chamber 37 on the guide arm body 2 slides with the piston 36, the piston 36 drives the transmission rod 35 and the driving rod 34 to rotate in the sliding process with the pressurizing chamber 37, the driving rod 34 rotates with the fixing plate 31, when the piston 36 slides with the guide arm body 2, the deformation force of the guide arm body 2 is consumed, so that the rectangular pressure relief and support effect on the guide arm body 2 is realized, the guide arm body 2 is used more stably, and meanwhile, when the piston 36 slides away from the direction of the bush 1, the piston 36 is right the through-hole at first filter screen 32 place is sealed, makes the inside gas of pumping chamber 37 follow radiating groove 38, then follow second filter screen 33 discharges, and then is convenient for quick promotion the inside circulation of air of guide arm body 2 is convenient for right guide arm body 2 dispels the heat, effectively prevents guide arm body 2 deformation causes long-pending heat, simultaneously first filter screen 32 with the setting of second filter screen 33 is effectual prevents that the sweeps from blockking up pumping chamber 37 with radiating groove 38, and then has improved the radiating effect greatly.
Specifically, connection structure 4 includes dead lever 41, fixture block 42, leading wheel 43, driving disc 44, pivot 45 and guide way 46, dead lever 41 with block between the leading arm body 2, dead lever 41 is located leading arm body 2 deviates from the one end of bush 1, the rectangle array block has four on the dead lever 41 fixture block 42, fixture block 42 with sliding connection between the leading arm body 2, fixture block 42 deviates from the one end of dead lever 41 is equipped with the rotation and connects leading wheel 43, leading wheel 43 with the arc structure that inclines to set up on the driving disc 44 roll connection between the guide way 46, pivot 45 through connection in driving disc 44 with leading arm body 2, pivot 45 with rotate between the leading arm body 2 and be connected.
Specifically, the driving structure 7 includes a screw rod 71, a rack 72 and a gear 73, the rack 72 is slidably connected to the guide arm body 2, the gear 73 is fixed to the rotating shaft 45, the rack 72 is engaged with the gear 73, the screw rod 71 is rotatably connected to the guide arm body 2, the screw rod 71 is in threaded connection with the rack 72, and a cross section of one end of the screw rod 71, which is away from the rack 72, is in a gear shape.
Specifically, the limiting structure 5 comprises a guide shaft 51, a clamping sleeve 52 and a mounting block 53, the guide shaft 51 is connected to the mounting block 53 and the guide arm body 2 in a penetrating manner, and the clamping sleeve 52 clamped with the screw rod 71 is arranged on the mounting block 53; the clamping sleeve 52 is meshed with the screw rod 71; the connecting structure 4 is arranged at one end of the guide arm body 2, which is far away from the bushing 1, the connecting structure 4 is connected to the driving structure 7, and the driving structure 7 is arranged inside the guide arm body 2; be equipped with on the leading arm body 2 and be used for right drive structure 7 carries on spacingly limit structure 5, limit structure 5 with can dismantle the connection between the leading arm body 2, and then be convenient for pass through drive structure 7 is quick will connection structure 4 with connect between the leading arm body 2, and then make connect convenient and fast more between leading arm body 2 and the suspension, reduced the lateral pressure of bolt simultaneously, improved the fastness of connection greatly, simultaneously limit structure 5's setting is convenient for right drive structure 7 carries on spacingly, makes connection structure 4 with it is more firm to connect between the leading arm body 2, promptly: firstly, the fixing rod 41 is fixed on a suspension, when the guide arm body 2 is installed, the fixing rod 41 is clamped with the guide arm body 2, then an inner hexagonal wrench is used for clamping with the screw rod 71, the screw rod 71 is rotated anticlockwise, the screw rod 71 drives the rack 72 to slide in a direction deviating from the direction of the screw rod 71, so that the rack 72 drives the gear 73 to rotate clockwise, the gear 73 drives the transmission disc 44 to rotate clockwise, the guide groove 46 on the transmission disc 44 drives the guide wheel 43 to rotate, simultaneously, the guide wheel 43 drives the fixture block 42 to slide towards the fixing rod 41, the fixture block 42 is in interference fit with the fixing rod 41, and meanwhile, four fixture blocks 42 are arranged, thereby facilitating the quick installation and disassembly between the fixing rod 41 and the guide arm body 2, meanwhile, the clamping block 42 is in sliding connection with the guide arm body 2, the clamping block 42 is clamped with the fixing rod 41, further, firmness is greatly improved, the lateral pressure of the fixing rod 41 is reduced, meanwhile, the influence of the tensile force of the fixing rod 41 on the screw rod 71 is reduced, when the clamping block 42 is clamped with the fixing rod 41, the mounting block 53 is pushed, one end, deviating from the guide shaft 51, of the mounting block 53 is fixed on the guide arm body 2 through a bolt, the mounting block 53 rotates around the guide shaft 51, the clamping sleeve 52 on the mounting block 53 is clamped with the screw rod 71, further, the screw rod 71 is effectively prevented from rotating, and further, the stability is greatly improved.
When the invention is used, firstly, the fixed rod 41 is fixed on the suspension, when the guide arm body 2 is installed, the fixed rod 41 is clamped with the guide arm body 2, then an inner hexagonal wrench is used for clamping with the screw rod 71, the screw rod 71 is rotated anticlockwise, the screw rod 71 drives the rack 72 to slide along the direction deviating from the screw rod 71, so that the rack 72 drives the gear 73 to rotate clockwise, the gear 73 drives the transmission disc 44 to rotate clockwise, the guide groove 46 on the transmission disc 44 drives the guide wheel 43 to rotate, simultaneously, the guide wheel 43 drives the fixture block 42 to slide towards the direction of the fixed rod 41, the fixture block 42 is butted with and clamped with the fixed rod 41, simultaneously, four fixture blocks 42 are arranged, thereby being convenient for rapidly installing and disassembling the fixed rod 41 and the guide arm body 2, simultaneously, the fixture block 42 is connected with the guide arm body 2 in a sliding manner, the fixture block, the lateral pressure of the fixing rod 41 is reduced, meanwhile, the influence of the tensile force of the fixing rod 41 on the screw 71 is reduced, after the fixture block 42 is clamped with the fixing rod 41, the mounting block 53 is pushed, one end, away from the guide shaft 51, of the mounting block 53 is fixed on the guide arm body 2 through a bolt, the mounting block 53 rotates around the guide shaft 51, the clamping sleeve 52 on the mounting block 53 is clamped with the screw 71, the screw 71 is effectively prevented from rotating, and the stability is greatly improved; the first positioning hole 62 and the second positioning hole 63 which are vertically arranged on the positioning block 61 on the guide arm body 2 are convenient to position, the mode is more convenient to position than a bolt and a pin shaft, the firmness and the stability of the joint of the guide arm body 2 and an axle are improved, the guide arm body 2 with an arc-shaped structure is changed into a traditional Z-shaped structure, and the arc-shaped structure is used, so that the deformation and the residual stress are smaller when the guide arm body is machined, the service life is longer, meanwhile, the arc-shaped structure of the guide arm body 2 is matched with the axle with a circular cross section for use, and the installation of the axle and the guide arm can be realized by using more compact parts due to the fact that the shape of the arc-shaped structure is closer to the circle, the overall weight of a suspension system is greatly; after the guide arm body 2 and the axle are fixed, the fixing plate 31 is arranged at one end of the axle, which is far away from the positioning block 61, when the guide arm body 2 deforms, the distance between the guide arm body 2 and the axle changes, when the guide arm body 2 is pressed down, the pressurizing chamber 37 on the guide arm body 2 slides with the piston 36, the piston 36 drives the transmission rod 35 and the driving rod 34 to rotate in the sliding process with the pressurizing chamber 37, the driving rod 34 rotates with the fixing plate 31, when the piston 36 slides with the guide arm body 2, the deformation force of the guide arm body 2 is consumed, and further the rectangular pressure relief and support function are performed on the guide arm body 2, so that the guide arm body 2 is used more stably, and when the piston 36 slides away from the bushing 1 direction, the piston 36 seals the through hole where the first filter screen 32 is located, so that the air in the pressurizing chamber 37 is discharged from the heat dissipation groove 38 and then from the second filter screen 33, and then be convenient for quick promotion guide arm body 2's inside circulation of air of being convenient for, be convenient for dispel the heat to guide arm body 2, effectively prevent that guide arm body 2 from deforming and causing long-pending heat, first filter screen 32 and second filter screen 33 set up the effectual sweeps that prevents of preventing and block up plenum chamber 37 and radiating groove 38 simultaneously, and then improved the radiating effect greatly.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. An air-suspended arc-shaped guide arm is characterized by comprising a bushing (1), a guide arm body (2), a heat dissipation structure (3), a connecting structure (4), a limiting structure (5), a positioning structure (6) and a driving structure (7); one end of the guide arm body (2) is provided with the bushing (1) with a cylindrical structure, and the guide arm body (2) is of an arc-shaped structure; the guide arm body (2) is provided with a positioning structure (6) for positioning an axle; the guide arm body (2) is provided with the heat dissipation structure (3) for dissipating heat of the guide arm body (2); the connecting structure (4) is arranged at one end, away from the bushing (1), of the guide arm body (2), the connecting structure (4) is connected to the driving structure (7), and the driving structure (7) is arranged inside the guide arm body (2); the guide arm is characterized in that the guide arm body (2) is provided with a limiting structure (5) used for limiting the driving structure (7), and the limiting structure (5) is detachably connected with the guide arm body (2).
2. An air-suspending arcuate guide arm as defined in claim 1, wherein: the positioning structure (6) comprises a positioning block (61), a first positioning hole (62) and a second positioning hole (63), the positioning block (61) is arranged at the arc-shaped concave part of the middle part of the guide arm body (2), the positioning block (61) is provided with two second positioning holes (63) along the extending direction of the guide arm body (2), the first positioning hole (62) perpendicular to the second positioning hole (63) is arranged on the positioning block (61), and the sections of the first positioning hole (62) and the second positioning hole (63) are both arc-shaped structures; one end of the guide arm body (2) is provided with the bushing (1) with a cylindrical structure, and the guide arm body (2) is of an arc-shaped structure.
3. An air-suspending arcuate guide arm as defined in claim 1, wherein: the heat dissipation structure (3) comprises a fixing plate (31), a first filter screen (32), a second filter screen (33), a driving rod (34), a transmission rod (35), a piston (36), a pressurizing chamber (37) and a heat dissipation groove (38), wherein the pressurizing chamber (37) used for promoting air circulation is arranged at one end of the guide arm body (2) facing to the bushing (1), the heat dissipation groove (38) penetrates through the inside of the guide arm body (2), one end of the heat dissipation groove (38) is communicated with the pressurizing chamber (37), the other end of the heat dissipation groove (38) extends to the second filter screen (33), the second filter screen (33) is fixed at one end of the guide arm body (2) facing away from the bushing (1), the piston (36) is in sliding connection with the pressurizing chamber (37), the pressurizing chamber (37) is communicated with the first filter screen (32) on the guide arm body (2), one end of the transmission rod (35) is fixed on the piston (36), the other end of the transmission rod (35) is provided with the driving rod (34) which is connected in a rotating mode, and the driving rod (34) is connected with the fixing plate (31) in a rotating mode.
4. An air-suspending arcuate guide arm as defined in claim 1, wherein: the connecting structure (4) comprises a fixing rod (41), clamping blocks (42), guide wheels (43), a transmission disc (44), a rotating shaft (45) and guide grooves (46), the fixing rod (41) is clamped with the guide arm body (2), the fixing rod (41) is arranged at one end, deviating from the bushing (1), of the guide arm body (2), the four clamping blocks (42) are clamped on the fixing rod (41) in a rectangular array manner, the clamping blocks (42) are in sliding connection with the guide arm body (2), the guide wheels (43) in rotating connection are arranged at one ends, deviating from the fixing rod (41), of the clamping blocks (42), the guide wheels (43) are in rolling connection with the guide grooves (46) of an arc-shaped structure obliquely arranged on the transmission disc (44), the rotating shaft (45) is in penetrating connection with the transmission disc (44) and the guide arm body (2), the rotating shaft (45) is rotatably connected with the guide arm body (2).
5. An air suspension arcuate guide arm as defined in claim 4 wherein: drive structure (7) include lead screw (71), rack (72) and gear (73), rack (72) with sliding connection between guide arm body (2), gear (73) are fixed in pivot (45), rack (72) with mesh between gear (73), lead screw (71) with rotate between guide arm body (2) and be connected, lead screw (71) with threaded connection between rack (72), lead screw (71) deviate from the cross-section of the one end of rack (72) is the gear form.
6. An air suspension arcuate guide arm as defined in claim 5 wherein: the limiting structure (5) comprises a guide shaft (51), a clamping sleeve (52) and a mounting block (53), the guide shaft (51) is connected with the mounting block (53) and the guide arm body (2) in a penetrating mode, and the clamping sleeve (52) clamped with the screw rod (71) is arranged on the mounting block (53); the clamping sleeve (52) is meshed with the screw rod (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011496495.3A CN112572078A (en) | 2020-12-17 | 2020-12-17 | Air suspension's arc guide arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011496495.3A CN112572078A (en) | 2020-12-17 | 2020-12-17 | Air suspension's arc guide arm |
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| Publication Number | Publication Date |
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| CN112572078A true CN112572078A (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011496495.3A Pending CN112572078A (en) | 2020-12-17 | 2020-12-17 | Air suspension's arc guide arm |
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| CN (1) | CN112572078A (en) |
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| CN111038197A (en) * | 2019-12-31 | 2020-04-21 | 王鲁斌 | Automobile guide arm connecting structure |
| CN210480691U (en) * | 2019-09-17 | 2020-05-08 | 昆峰重工（苏州）有限公司 | Liftable formula cantilever crane stand |
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| US20100059945A1 (en) * | 2008-09-09 | 2010-03-11 | Honda Motor Co., Ltd. | Suspension arm assembly for a vehicle, and vehicle incorporating same |
| CN105443221A (en) * | 2015-12-18 | 2016-03-30 | 安徽江淮汽车股份有限公司 | Silencer fixing structure |
| CN205553836U (en) * | 2016-04-15 | 2016-09-07 | 山东正阳机械有限公司 | Suspension assembly for vehicle |
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Application publication date: 20210330 |
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