CN104002739A - Multipoint locating mechanism for vehicle-mounted lifting rod - Google Patents
Multipoint locating mechanism for vehicle-mounted lifting rod Download PDFInfo
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- CN104002739A CN104002739A CN201410215977.5A CN201410215977A CN104002739A CN 104002739 A CN104002739 A CN 104002739A CN 201410215977 A CN201410215977 A CN 201410215977A CN 104002739 A CN104002739 A CN 104002739A
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Abstract
The invention provides a multipoint locating mechanism for a vehicle-mounted lifting rod. The multipoint locating mechanism comprises a second support, a sleeve, a sliding rod, a locking assembly, a first support, a base and a rotating platform, wherein the second support, the sleeve, the sliding rod, the locking assembly and the first support are used for connecting one end of the vehicle-mounted lifting rod to the top of a vehicle; the base and the rotating platform are used for connecting the lifting rod to a chassis of the vehicle. The locating position of the rotating platform on the base is adjusted, meanwhile, the fixed end of the lifting rod is fixedly connected to the rotating platform, the free end of the lifting rod is fixedly connected with the first support, the first support is rotatably connected with the sliding rod, the sleeve is connected with the sliding rod in a sliding mode and the sleeve is rotatably connected with the second support so that the relative position between the lifting rod and the vehicle can be adjusted, the lifting rod can be installed on the vehicle in a multipoint locating mode, and use convenience of the lifting rod is improved.
Description
Technical field
The invention belongs to location structure technical field, particularly, relate to a kind of vehicle-mounted lifting bar multipoint positioning mechanism, be particularly useful for lifting bar installing and using on miniature cross-country car.
Background technology
Along with the fast development of China's economic society, the application of special vehicle also increases sharply, and under the overall background of construction information society, communication truck has obtained unprecedented opportunity to develop.Equipment on communication truck is of all kinds, of a great variety, and a lot of equipment needs a segment distance above ground level just can better give play to the optimum performance of equipment.As the mechanical device that can complete communication facilities elevating function, the application of lifting bar on communication truck is quite general.
At present, lifting bar is the fixed type mounting meanss that adopt on vehicle more, that is, after the locus of lifting bar is fixing, can not arbitrarily convert again.For big-and-middle-sized special vehicle, because it has larger installing space, the requirement on lifting bar installing space is easy to meet, be not substantially subject to the restriction of installing space.Review miniature cross-country car; its installing space is limited; in the time arranging the position of lifting bar, often can run into obstacle in various degree; the lifting bar of miniature cross-country car adopts fixed installation mode conventionally, and installation site is unique, and it is immutable that lifting bar is installed rear space position; if lifting bar is fixedly mounted on to vehicle rear; can hinder the unlatching of tail gate, and if lifting bar is fixedly mounted on to vehicular sideview, can hinder again the unlatching of respective side car door.So need constantly to explore new installation form, to adapt to the application of lifting bar on dilly.
Summary of the invention
The technical problem to be solved in the present invention is: for the deficiencies in the prior art, provide a kind of vehicle-mounted lifting bar multipoint positioning mechanism, to solve the installation of lifting bar on the limited space carriers such as miniature cross-country car.Compared with traditional fixed type mounting means, this mechanism can realize the location of lifting bar multiple nodes in vehicle space, can convert as required the position of lifting bar.
The technical solution used in the present invention comprises:
One vehicle-mounted lifting bar multipoint positioning mechanism, for vehicle-mounted lifting bar is fixed to vehicle, it is characterized in that, comprising: the second support, sleeve, sliding bar, lock assembly, the first support, base and rotating table, wherein, described the first support is fixed to the outer peripheral face of vehicle-mounted lifting bar; The first end of described sliding bar is connected to described the first support rotationally, the second end of described sliding bar is set in the inner chamber of described sleeve slidably through the opening of the first end of described sleeve, and the second end of described sleeve is connected to described the second support rotationally; Described the second support is fixed to the top of vehicle; Described lock assembly carries out the locking and unlocking to described sliding bar and described sleeve, makes described sliding bar in the inner chamber of described sleeve, to slide or to be locked in the inner chamber of described sleeve; The fixed end of vehicle-mounted lifting bar is fixed on described rotating table, and described rotating table is fixed to the chassis of vehicle by described base; Described base is fixed to the chassis of vehicle, has multiple position locations on described base, and described rotating table can be fixed on the arbitrary position location place in the plurality of position location on described base.
Preferably, described lock assembly comprises slide block and knob; On the wall of described sleeve, be provided with the first knock hole; And on the wall of described sliding bar, be provided with accordingly bar-shaped trough, wherein, described slide block is placed in the inner chamber of described sliding bar slidably, and the shape of the exterior contour of described slide block and the inner chamber of described sliding bar matches; And the centre of described slide block is provided with the first tapped bore; Described knob comprises knob end and the thread rod that is connected to described knob end, and in the time being in place, described thread rod is through the first tapped bore screw thread fit on the first knock hole on described sleeve and bar-shaped trough and described slide block on described sliding bar; And, when described thread rod and described the first tapped bore are in the time tightening mated condition, the knob end of described knob compresses the outer wall of described sleeve downwards, and described slide block upwards compresses the inwall of described sliding bar, thus described sleeve and described sliding bar is locked together; And when between described thread rod and described the first tapped bore during in easy fit state, described knob can be under external force drives described slide block to move in the inner chamber of described sliding bar along the bar-shaped trough on described sliding bar.
Preferably, the multiple position locations on described base are multiple the 3rd knock holees that are arranged on base, and each the 3rd knock hole has thread segment; Described rotating table comprises platform body, and the fixed end screw thread of vehicle-mounted lifting bar is fixed on the first side of described platform body; On described platform body, be provided with the second knock hole; Described vehicle-mounted lifting bar multipoint positioning mechanism also comprises locating dowel pin, on described locating dowel pin, be provided with the threaded portion coordinating with the thread segment of the 3rd knock hole on described base, the threaded portion of described locating dowel pin can be stretched in described the 3rd knock hole and with the thread segment of described the 3rd knock hole and coordinate through the second knock hole on described platform body, thus described rotating table is fixed on the end face of described base.
Preferably, the to be installed of described base is provided with threaded mounting hole to the attachment face of vehicle chassis; The middle part of described base is provided with through hole, the two ends of described through hole are respectively arranged with the first groove and the second groove, described the first groove, described through hole and described the second groove are communicated with successively, and run through end face and the bottom surface of described base, and the diameter of described the first groove and the second groove is identical and be greater than the diameter of described through hole; And be provided with separately bearing in described the first groove and the second groove; On described base, be provided with three the 3rd knock holees, these three the 3rd knock holees are evenly arranged along the periphery of described base; Described rotating table comprises the outward extending platform rotating shaft of the second lateral vertical from described platform body, and described the second side is relative with the first side of the fixed end of the vehicle-mounted lifting bar of installation of described platform body; The diameter of described platform rotating shaft is arranged so that described platform rotating shaft can rotate in the through hole of described base, and described platform rotating shaft can and stretch out in the bottom surface of described base through the first groove, through hole and the second groove on described base.
Preferably, on the end face of described base, the position near described attachment face is provided with crashproof flange.
Preferably, described sliding bar has cavity, on the wall of the first end of described sliding bar, be provided with two the first recess that are arranged symmetrically with about the center shaft of described sliding bar, the sidewall of the first end of described sliding bar is divided into the first alar part and the second alar part by two the first recess, is provided with two coaxial pin-and-holes on described the first alar part and the second alar part; Described the first support comprises the first fixed part and is vertically connected to the first engaging lug piece of described the first fixed part, wherein, on described the first engaging lug piece, be provided with the first connecting bore, and the thickness of described the first engaging lug piece is arranged so that described the first engaging lug piece can freely move in described two the first recess; And described vehicle-mounted lifting bar multipoint positioning mechanism also comprises the first pin, described the first pin comprises the first bearing pin, described the first bearing pin has the first thread end, and the diameter of described the first bearing pin is less than the diameter of the first connecting bore on described the first engaging lug piece; In the time being in place, described the first engaging lug piece is plugged in two the first recess; Two coaxial pin-and-holes on described the first alar part and the second alar part are corresponding with the first connecting bore position on described the first engaging lug piece, and the first bearing pin of described the first pin is successively through the pin-and-hole on described the first alar part and the first connecting bore on described the first engaging lug piece, and the pin-and-hole of described the first thread end on described the second alar part stretches out, thus, by the first nut being bolted on described the first thread end, described sliding bar is connected to described the first support rotationally.
Preferably, described vehicle-mounted lifting bar multipoint positioning mechanism also comprises the first anchor ear and the second anchor ear, described the first anchor ear and the second anchor ear are by panel-bending moulding, the two ends of described the first anchor ear and the second anchor ear are installed on the outer peripheral face of vehicle-mounted lifting bar relative to one another, and the two ends of described the first anchor ear are fixedly attached to the two ends of described the second anchor ear, make described the first anchor ear and the second anchor ear be fixed on the outer peripheral face of vehicle-mounted lifting bar; And the second anchor ear other parts is thick described in the Thickness Ratio of the installation portion of to be installed described first support of described the second anchor ear, on this installation portion, be provided with the second tapped bore; On the first fixed part of described the first support, be provided with the first mounting hole, and the position of described the first mounting hole and quantity are corresponding with the second tapped bore on described the second anchor ear, can described the first support be fixed to described the second anchor ear by the bolt being arranged in described the first mounting hole and described the second tapped bore thus.
Preferably, on the barrel of the second end of described sleeve, be provided with two the second recess that are arranged symmetrically with about the center shaft of described sleeve, the barrel of described sleeve the second end is divided into flap portion and the 4th alar part by two the second recess, on described flap portion and the 4th alar part, is provided with two coaxial pin-and-holes; Described the second support comprises the second fixed part and is vertically connected to the second engaging lug piece of described the second fixed part, wherein, on described the second fixed part, be provided with the second mounting hole, described the second support can be connected to by being installed on bolt in described the second mounting hole the top of vehicle; On described the second engaging lug piece, be provided with the second connecting bore, and the thickness of described the second engaging lug piece is arranged so that described the second engaging lug piece can freely move in two the second recess of described sleeve the second end; And described vehicle-mounted lifting bar multipoint positioning mechanism also comprises the second pin, described the second pin comprises the second bearing pin, described the second bearing pin has the second thread end, and the diameter of described the second bearing pin is less than the diameter of the second connecting bore on described the second engaging lug piece; In the time being in place, described the second engaging lug piece is plugged in two the second recess; Two coaxial pin-and-holes on described flap portion and the 4th alar part are corresponding with the second connecting bore position on described the second engaging lug piece, and the second bearing pin of described the second pin is successively through the pin-and-hole in described flap portion and the second connecting bore on described the second engaging lug piece, and the pin-and-hole of described the second thread end on described the 4th alar part stretches out, thus, by the second nut being bolted on described the second thread end, described sleeve is connected to described the second support rotationally.
Compared with prior art, there is useful technique effect according to vehicle-mounted lifting bar multipoint positioning of the present invention mechanism:
(1) utilize according to vehicle-mounted lifting bar multipoint positioning of the present invention mechanism, can carry out the installation of multipoint positioning formula to lifting bar, this mounting means can make lifting bar position at diverse location, realizes lifting bar displacement spatially.Therefore, the installation site of lifting bar is flexible.
(2) according to multipoint positioning of the present invention mechanism highly versatile, do not need because of the difference of lifting bar and carrier, structure significantly to be changed.
(3), in multipoint positioning according to the present invention mechanism, critical component adopts stainless steel material, has improved the adaptive capacity to environment that mechanism is used out of doors.
(4) in multipoint positioning according to the present invention mechanism, the contact surface of locating dowel pin and rotating table adopts conical suface, the pin-and-hole opening part of base and the threaded tip of locating dowel pin also all adopt conical suface, are convenient to the importing of locating dowel pin locating dowel pin when equipped, have greatly improved the precision of location.
Brief description of the drawings
Fig. 1 is according to the structural representation of vehicle-mounted lifting bar multipoint positioning of the present invention mechanism;
Fig. 2 is according to the partial schematic sectional view of vehicle-mounted lifting bar multipoint positioning of the present invention mechanism;
Fig. 3 illustrates according to the base of vehicle-mounted lifting bar multipoint positioning of the present invention mechanism and the installation of rotating table to be related to cross-sectional schematic;
Fig. 4 is according to the principle of work schematic diagram of vehicle-mounted lifting bar multipoint positioning of the present invention mechanism;
Fig. 5 is the structural representation according to sliding bar of the present invention;
Fig. 6 is the structural representation according to sleeve of the present invention;
Fig. 7 is the structural representation according to base of the present invention;
Fig. 8 is the structural representation according to rotating table of the present invention;
Fig. 9 is according to the structural representation of the first support of the present invention;
Figure 10 is according to the structural representation of the second support of the present invention;
Figure 11 is according to the structural representation of the second anchor ear of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, vehicle-mounted lifting bar multipoint positioning according to the present invention mechanism is further described in detail.
Be intended to realize the multipoint positioning of lifting bar on vehicle according to vehicle-mounted lifting bar multipoint positioning of the present invention mechanism, so that in Vehicle Driving Cycle and stopped process, lifting bar is adjusted with respect to the position of vehicle, thus the convenient convenience that improves lifting bar location.
For this reason, comprise according to vehicle-mounted lifting bar multipoint positioning of the present invention mechanism: the second support 1, sleeve 2, sliding bar 4, lock assembly, the first support 5, base 11 and rotating table 12, wherein, the second support 1, sleeve 2, sliding bar 4, lock assembly and the first support 5 are used for one end of vehicle-mounted lifting bar to be connected to vehicle roof; Base 11 and rotating table 12 are used for lifting bar to be connected on vehicle chassis.Thus, can realize the installation of lifting bar on vehicle., adjust for the ease of the locus to lifting bar in this simultaneously, in the present invention by the following technical solutions:
Can understand for those skilled in the art, conventionally, one end of vehicle-mounted lifting bar is fixed on vehicle, and the other end freely suspends, and is convenient to inner loop bar and freely stretches or retract.Herein, the one end on the vehicle to be fixed to of positioned-lifting bar is fixed end, and the other end is free end.
As Figure 1-4, the second support 1 is fixed to the top of vehicle, and the second end 206 of sleeve 2 is connected to the second support 1 rotationally.The second end 42 of sliding bar 4 is set in the inner chamber of sleeve 2 slidably through the opening of the first end 205 of sleeve 2, and the first end 41 of sliding bar 4 is connected to the first support 5 rotationally.And, between sliding bar and sleeve, being provided with lock assembly, this lock assembly, for sliding bar 4 and sleeve 2 are carried out to the locking and unlocking, makes sliding bar to slide or to be locked in sliding bar with respect to sleeve.The first support 5 is fixed to the outer peripheral face of vehicle-mounted lifting bar 17.The fixed end 171 of vehicle-mounted lifting bar 17 is fixed on rotating table 12.Rotating table 12 is fixed to the chassis of vehicle by base 11.Base 11 is fixed to the chassis of vehicle, has multiple position locations on base 11, and rotating table 12 can be fixed on the arbitrary position location place in the plurality of position location on described base 11.
Thus, as shown in Figure 4, by adjusting the position location of rotating table on base, simultaneously, being rotatably connected between being slidably connected between being rotatably connected between being fixedly connected with between being fixedly connected with by lifting bar fixed end on rotating table, lifting bar free end and the first support 5, the first support 5 and sliding bar 4, sleeve 2 and sliding bar 4, sleeve 2 and the second support 1, just can realize the adjustment of relative position between lifting bar and vehicle.
Below, the concrete structure of vehicle-mounted lifting bar multipoint positioning mechanism is in accordance with a preferred embodiment of the present invention described in detail.
As shown in Figure 1-Figure 3, this vehicle-mounted lifting bar multipoint positioning mechanism comprises the second support 1, sleeve 2, knob 3, sliding bar 4, the first support 5, the first anchor ear 6, the second anchor ear 7, the first pin 8, slide block 9, the second pin 10, base 11, rotating table 12, locating dowel pin 13, bearing 14, nut 15 and pad 16.17 is lifting bar.According to multipoint positioning of the present invention mechanism for realizing the multipoint positioning of lifting bar 17 on vehicle.
The second support 1 and base 11 are as the external interface of this mechanism, and the two is separately fixed on the top and chassis of vehicle, to realize being connected of lifting bar and car body.Such as, the second support can be arranged on vehicle roof platform (general special vehicle all configures vehicle roof platform) or on the C post of vehicle.Base is connected with the chassis of vehicle.
As shown in Figure 1, Figure 2 and shown in Figure 10, the second support 1 comprises the second fixed part 101 and is vertically connected to the second engaging lug piece 102 of the second fixed part 101, wherein, on the second fixed part 101, be provided with the top that the second mounting hole 103, the second supports 1 can be connected to by being installed on bolt in the second mounting hole 103 vehicle; On the second engaging lug piece 102, be provided with the second connecting bore 104, and the thickness of the second engaging lug piece 102 is arranged so that the second engaging lug piece 102 can freely move in two of sleeve 2 second ends 206 the second recess 201.
In this preferred embodiment, the second support will be fixed on the curb girder of vehicle roof platform, and therefore, the second support 1 is "T"-shaped on the whole, and its second fixed part 101 is disk construction.On this second fixed part 101, multiple (two or four are set, or more) the second mounting hole 103, on the curb girder of vehicle roof platform, also need correspondingly to arrange mounting hole, thus, just the second support can be fixed on the curb girder of vehicle roof platform by screw bolt and nut.The second engaging lug piece 102 vertically stretches out from the middle part of the second fixed part 101, and it is also slab structure.This second engaging lug piece 102 will be arranged in two the second recess 201 of sleeve 2 second ends 206, for can sleeve 2 can be moving with the second bracket-rotatable be connected, the thickness of this second engaging lug piece 102 should be less than the thickness of two the second recess 201 of sleeve 2 second ends 206.
Those skilled in the art can understand, and the second fixed part 101 also can be adjusted according to the structure of position to be installed vehicle, are not limited with slab construction, as long as can realize the second support fixing to vehicle.
The main body of sleeve 2 is rectangle thin wall pipe, on the barrel of its second end 206, be provided with two the second recess 201 that are arranged symmetrically with about the center shaft of sleeve 2, the barrel of sleeve 2 second ends 206 is divided into flap portion 2061 and the 4th alar part 2062 by two the second recess 201, on flap portion 2061 and the 4th alar part 2062, be respectively arranged with pin-and-hole, and two pin-and-holes on flap portion 2061 and the 4th alar part 2062 coaxially arrange.The first end 205 of sleeve 2 is open end, and the second end of sliding bar 4 described below embeds in the inner chamber of sleeve 2 from the first end of sleeve 2.In addition, be also provided with the first knock hole 204 on the wall of sleeve 2, preferably, the position of this first knock hole is close to the first end 205 of sleeve 2, and this first knock hole will describe in detail below.
For realizing between sleeve 2 to second 1 be rotatably connected, vehicle-mounted lifting bar multipoint positioning mechanism also comprises the second pin 10 and the second nut 1003, the second pin 10 comprises the second bearing pin 1001, the second bearing pin 1001 has the second thread end 1002, and the diameter of the second bearing pin 1001 is less than the diameter of the second connecting bore 104 on the second engaging lug piece 102.The head of the second pin is outer-hexagonal bolt cap.
In the time being in place, the second engaging lug piece 102 is plugged in two the second recess 201 of sleeve the second end; Two coaxial pin-and-holes on flap portion 2061 and the 4th alar part 2062 are corresponding with the second connecting bore 104 positions on the second engaging lug piece 102, and the second bearing pin 1001 of the second pin 10 is successively through the pin-and-hole in flap portion 2061 and the second connecting bore 104 on the second engaging lug piece 102, and the pin-and-hole of the second thread end 1002 on the 4th alar part 2062 stretches out, thus, just sleeve 2 can be connected to rotationally to the second support 1 by the second nut 1003 being bolted on the second thread end 1002.
As shown in Fig. 1-Fig. 2, Fig. 5-Fig. 6, Fig. 9, sliding bar 4 is rectangle thin wall pipe, on the wall of its first end 41, be provided with two the first recess 401 that are arranged symmetrically with about the center shaft of sliding bar 4, two the first recess 401 are divided into the sidewall of the first end of sliding bar 4 41 on the first alar part 4101 and the second alar part 4102, the first alar parts 4101 and the second alar part 4102 and are provided with two coaxial pin-and-holes.The second end 42 of sliding bar 4 is rectangular aperture end, and it is arranged in the inner chamber of sleeve 2.In addition, be also provided with bar-shaped trough 404 on the wall of sliding bar 4, this bar-shaped trough is by below in conjunction with being described the description of lock assembly.The arrangement of mechanism mechanism similar and sleeve the second end of sliding bar 4 these first ends arranges.
The first support 5 comprises the first fixed part 501 and is vertically connected to the first engaging lug piece 502 of the first fixed part 501, wherein, on the first engaging lug piece 502, be provided with the first connecting bore 5021, and the thickness of the first engaging lug piece 502 is arranged so that the first engaging lug piece 502 can freely move in two the first recess 401.In addition, on the first fixed part 501 of the first support 5, be provided with the first mounting hole 5011, for by bolt and nut etc., the first support being fixed to vehicle-mounted lifting bar, the layout of this first mounting hole will be described below.In this preferred embodiment, the structure of the structure of the first support and the second support is similar, therefore, the CONSTRUCTED SPECIFICATION of the first support is not repeated.
In addition, for sliding bar is connected to the first support rotationally, vehicle-mounted lifting bar multipoint positioning mechanism also comprises the first pin 8, the first pin 8 comprises the first bearing pin 81, the first bearing pin 81 has the first thread end 801, and the diameter of the first bearing pin 81 is less than the diameter of the first connecting bore 5021 on the first engaging lug piece 502.The structural similitude of the structure of this first pin 8 and above-mentioned the second pin 10, does not repeat.
In the time being in place, the first engaging lug piece 502 is plugged in two the first recess 401; Two coaxial pin-and-holes on the first alar part 4101 and the second alar part 4102 are corresponding with the position of the first connecting bore 5021 on the first engaging lug piece 502, and the first bearing pin 81 of the first pin 8 is successively through the pin-and-hole on the first alar part 4101 and the first connecting bore 5021 on the first engaging lug piece 502, and the pin-and-hole of the first thread end 801 on the second alar part 4102 stretches out, thus, by the first nut 802 being bolted on the first thread end 801, sliding bar 4 is connected to the first support 5 rotationally.
As shown in Figure 1, Figure 2 and shown in Figure 11, vehicle-mounted lifting bar multipoint positioning mechanism also comprises the first anchor ear 6 and the second anchor ear 7.
The structural similitude of the first anchor ear 6 and the second anchor ear 7, by panel-bending moulding.In this preferred embodiment, the cross section of lifting bar is square, therefore, after linking together relative to one another, the two ends of the first anchor ear 6 and the second anchor ear 7 form the square structure matching with the outer peripheral face of lifting bar, the two ends of the two are installed on relative to one another to the outer peripheral face of vehicle-mounted lifting bar 17, and the two ends that the two ends of the first anchor ear 6 are fixedly attached to the second anchor ear 7 by screw and bolt (for this reason, the two ends of the first anchor ear and the second anchor ear all need to arrange knock hole), the first anchor ear 6 and the second anchor ear 7 are fixed on the outer peripheral face of vehicle-mounted lifting bar 17.For making the first support 5 can be fixed to lifting bar, preferably, ratio the second anchor ear 7 other parts that the thickness of the installation portion of first support 5 to be installed of the second anchor ear 7 will design thick, on this installation portion, be provided with the second tapped bore 701, to the first support 5 is fixed on the second anchor ear 7 by bolt or its other threaded fasteners.
The position of the first mounting hole 5011 arranging on the first fixed part 501 of the first support 5 and quantity are corresponding with the second tapped bore 701 on the second anchor ear 7, can the first support 5 be fixed to the second anchor ear 7 by the screw being arranged in the first mounting hole 5011 and the second tapped bore 701 thus.
As shown in Figure 2, Figure 5 and Figure 6, lock assembly comprises slide block 9 and knob 3.On the wall of sleeve 2, be provided with the first knock hole 204; And be provided with bar-shaped trough 404 in corresponding position on the wall of sliding bar 4.
In this preferred embodiment, sleeve 2 and sliding bar 4 are the hollow object of square-section.Slide block 9 is placed in the inner chamber of sliding bar 4, and for this reason, the exterior contour of slide block 9 is the rectangle matching with the shape of sliding bar inner chamber, and its size will ensure that slide block 9 can slide in the inner chamber of sliding bar 4.In addition, the centre of slide block 9 is provided with the first tapped bore 901.
Knob 3 comprises knob end 302 and the thread rod 301 that is connected to knob end 302, and in the time being in place, thread rod 301 is through the first tapped bore 901 screws thread fit on the first knock hole 204 on sleeve 2 and the bar-shaped trough on sliding bar 4 404 and slide block 9; And, when thread rod 301 and the first tapped bore 901 are in the time tightening mated condition, the outer wall of the knob end 302 downward clamp sleeves 2 of knob 3, slide block 9 upwards compresses the inwall of sliding bar 4, thus sleeve 2 and sliding bar 4 is locked together; And when between thread rod 301 and the first tapped bore 901 during in easy fit state (, unlock state, slide block 9 can be moved under the drive of knob 3 in sliding bar), knob 3 can be under external force moves along the bar-shaped trough 404 on sliding bar 4, moves thus with movable slider 9 in the inner chamber of sliding bar 4.
When mounted, first slide block 9 is embedded into sliding bar 4 inside from the second end of sliding bar 4, the first tapped bore 901 of slide block 9 is aimed at the bar-shaped trough 404 of sliding bar 4; Then the sliding bar 4 that embeds slide block 9 is embedded from the first end of sleeve 2, sleeve 2 is provided with the face of the first knock hole 204 and the face that is provided with bar-shaped trough 404 of sliding bar 4 should be in the same side, the thread rod 301 of knob 3 is through the first knock hole 204 of sleeve 2, screw in the first tapped bore 901 of slide block 9, by the knob end 302 of rotation knob 3, just can realize locking and the release of sleeve 2 and sliding bar 4.Revolve and send knob 3, sliding bar 4 can carry out piston movement in sleeve 2 inside; Tighten knob 3, between sliding bar 4 and sleeve 2, be locked, can not produce relative motion.
As shown in Fig. 1-Fig. 2, Fig. 7-Fig. 8, the to be installed of base 11 is provided with threaded mounting hole 1101 to the attachment face of vehicle chassis, for by screw by floor installation to vehicle chassis.In this preferred embodiment, this attachment face of base is plane.The face relative with this attachment face is semicircle cambered surface.The quantity of threaded mounting hole can be determined according to actual conditions.
On base 11, be provided with three (according to actual conditions, can arrange two, more than three or three) the 3rd knock holees 1101, the position location as rotating table on base.These three the 3rd knock holees 1101 are evenly arranged along the periphery (being the outer rim of its semicircle cambered surface) of base 11.Each the 3rd knock hole 1101 has one section of thread segment, for by any the position that the locating dowel pin of description 13 is fixed on rotating table to three the 3rd knock holees on base below.
Rotating table 12 comprises platform body 121, and the flange of the fixed end 171 of vehicle-mounted lifting bar 17 is fixed on the first side 1211 of platform body 121 by screw thread.On platform body 121, be provided with the second knock hole 1213, for the locating dowel pin 13 of any the 3rd knock hole by being arranged on this second knock hole and base, rotating table be fixed on to base.
As described previously, vehicle-mounted lifting bar multipoint positioning mechanism also comprises locating dowel pin 13, is provided with the threaded portion 1301 coordinating with the thread segment of the 3rd knock hole 1101 on base 11 on locating dowel pin 13.The threaded portion 1301 of locating dowel pin 13 can be stretched in the 3rd knock hole 1101 and with the thread segment of the 3rd knock hole 1101 and coordinate through the second knock hole 1213 on platform body 121, thus rotating table 12 is fixed on the end face of base 11.Preferably, the edge of the second knock hole on this rotating table is 90 degree conical sufaces, and correspondingly, the position above the threaded portion of locating dowel pin 13 is provided with the conical suface mating with the conical suface of the second knock hole.And, also adopt conical suface to coordinate at the 3rd knock hole opening part of base with the threaded tip of locating dowel pin 13, so that the importing of locating dowel pin locating dowel pin when equipped has improved the precision of location greatly.
Preferably, for the ease of the conversion of guiding rotating table 12 locating point on base, the middle part of base 11 is provided with through hole 1103, and the two ends of this through hole 1103 are respectively arranged with the first groove 1102 and the second groove 1104.The first groove 1102, through hole 1103 and the second groove 1104 are communicated with successively, and run through end face and bottom surface (, the face relative with end face) of base 11.The diameter of the first groove 1102 and the second groove 1104 is identical and be greater than the diameter of through hole 1103.And be provided with separately a bearing 14 in the first groove 1102 and the second groove 1104.Rotating table 12 comprises the second side from its platform body 121 (relative with the first side 1211 of the fixed end 171 of the vehicle-mounted lifting bar 17 of installation of platform body 121) 1212 vertical outward extending platform rotating shafts 122.The diameter of this platform rotating shaft 122 is less than the diameter of the through hole 1103 of base 11, so that platform rotating shaft 122 can be rotated in the through hole of base 11 1103.And the length setting of this platform rotating shaft 122 can be passed the first groove 1102, through hole 1103 and the second groove 1104 on base 11 and be stretched out in the bottom surface of base 11.Preferably, be provided with screw thread in one end that stretches out in base end face of platform rotating shaft, to the position of the rotating table of having good positioning is further locked by pad 16 and jam nut 15.
In addition, because rotating table collision vehicle chassis causes the damage of vehicle chassis or rotating table relevant position, the position near attachment face on the end face of base 11 is provided with crashproof flange 1105 when preventing from adjusting the position location of rotating table on base.This crashproof flange extends along the attachment face of base.
What those skilled in the art can understand is, in this preferred embodiment, the attachment face of base is arranged to plane, so that by floor installation to the side of vehicle chassis, but the present invention is not as limit, according to the difference at the base concrete position of vehicle to be connected, can modify or equivalence changes to the structure of the attachment face of base, as long as can be by floor installation to corresponding position on vehicle.In addition, platform rotating shaft on rotating table, and through hole, the first groove, the second groove on base also can omit, and, one section of blind hole can be set on base or a through hole is only set and guide the platform rotating shaft of rotating table, thereby realize the shift in position of rotating table on base.In addition, the position of the position of the 3rd knock hole on base and layout, through hole and first, second groove of multiple the 3rd knock holees is not all limited with the present embodiment.
Shown in figure 4, in the time need to adjusting the position location of lifting bar 17 on base, unscrew (unclamping) knob 3, and then pull down (taking off completely) locating dowel pin 13, promote lifting bar 17, that sliding bar 4 moves with respect to sleeve, sliding bar rotates with respect to the first support, and sleeve is rotated with respect to the second support, thereby can make rotating table 12 be switched on base 11 other locating point, then locating dowel pin 13 is inserted to corresponding the 3rd knock hole on the second knock hole of rotating table 12 and base 11, screwed in place pin 13, and knob 3 is tightened completely.For example, adopt the lifting bar of multipoint positioning mounting means at miniature cross-country car rear portion, when driving a vehicle or normally using, lifting bar is placed in to vehicle dead aft, as need are opened tail gate, can be by the way to bay-lift the position location on base adjust, thereby lifting bar is moved to and the hands-off position of tail gate.
It should be noted that, in above preferred embodiment, the structure design of the second support and base is described to be connected to example with cross-country car, but, because the structure on roof between different vehicle and chassis there are differences, be not subject to the restriction of disclosed structure in this specification sheets according to the concrete structure of the second support of vehicle-mounted lifting bar multipoint positioning of the present invention mechanism and base, according to the particular case of vehicle, can on the basis of structure disclosed by the invention, configure suitable transition fabricated section, realize being connected between lifting bar and vehicle.
In addition, in multipoint positioning according to the present invention mechanism, critical component adopts stainless steel material, has improved the adaptive capacity to environment that mechanism is used out of doors, and described critical component is sleeve, sliding bar, slide block, knob, base, locating dowel pin etc.
At this, it should be noted that, the content of not describing in detail in this specification sheets, is that description and the prior art that those skilled in the art pass through in this specification sheets can realize, and therefore, does not repeat.
The foregoing is only the preferred embodiments of the present invention, be not used for limiting the scope of the invention.For a person skilled in the art, do not paying under the prerequisite of creative work, can make some amendments and replacement to the present invention, within all such modifications and replacement all should be encompassed in protection scope of the present invention.
Claims (8)
1. a vehicle-mounted lifting bar multipoint positioning mechanism, for vehicle-mounted lifting bar (17) is fixed to vehicle, it is characterized in that, comprise: the second support (1), sleeve (2), sliding bar (4), lock assembly, the first support (5), base (11) and rotating table (12), wherein
Described the first support (5) is fixed to the outer peripheral face of vehicle-mounted lifting bar (17);
The first end (41) of described sliding bar (4) is connected to described the first support (5) rotationally, second end (42) of described sliding bar (4) is set in the inner chamber of described sleeve (2) slidably through the opening of the first end (205) of described sleeve (2), and second end (206) of described sleeve (2) is connected to described the second support (1) rotationally; Described the second support (1) is fixed to the top of vehicle;
Described lock assembly carries out the locking and unlocking to described sliding bar (4) and described sleeve (2), makes described sliding bar (4) in the inner chamber of described sleeve (2), to slide or to be locked in the inner chamber of described sleeve (2);
It is upper that the fixed end (171) of vehicle-mounted lifting bar (17) is fixed on described rotating table (12), and described rotating table (12) is fixed to the chassis of vehicle by described base (11); Described base (11) is fixed to the chassis of vehicle, described base has multiple position locations on (11), and described rotating table (12) can be fixed on the arbitrary position location place in the plurality of position location on described base (11).
2. vehicle-mounted lifting bar multipoint positioning according to claim 1 mechanism, is characterized in that, described lock assembly comprises slide block (9) and knob (3); On the wall of described sleeve (2), be provided with the first knock hole (204); And on the wall of described sliding bar (4), be provided with accordingly bar-shaped trough (404), wherein,
Described slide block (9) is placed in the inner chamber of described sliding bar (4) slidably, and the shape of the inner chamber of the exterior contour of described slide block (9) and described sliding bar (4) matches; And the centre of described slide block (9) is provided with the first tapped bore (901);
Described knob (3) comprises knob end (302) and is connected to the thread rod (301) of described knob end (302), in the time being in place, described thread rod (301) is through the first tapped bore (901) screw thread fit on the first knock hole (204) on described sleeve (2) and bar-shaped trough (404) and described slide block (9) on described sliding bar (4); And, when described thread rod (301) and described the first tapped bore (901) are in the time tightening mated condition, the knob end (302) of described knob (3) compresses the outer wall of described sleeve (2) downwards, described slide block (9) upwards compresses the inwall of described sliding bar (4), thus described sleeve (2) and described sliding bar (4) is locked together; And when between described thread rod (301) and described the first tapped bore (901) during in easy fit state, described knob (3) can be under external force drives described slide block (9) to move in the inner chamber of described sliding bar (4) along the bar-shaped trough (404) on described sliding bar (4).
3. vehicle-mounted lifting bar multipoint positioning according to claim 1 mechanism, is characterized in that,
Multiple position locations on described base (11) are multiple the 3rd knock holees (1101) that are arranged on base, and each the 3rd knock hole (1101) has thread segment;
Described rotating table (12) comprises platform body (121), and fixed end (171) screw thread of vehicle-mounted lifting bar (17) is fixed on first side (1211) of described platform body (121); On described platform body (121), be provided with the second knock hole (1213);
Described vehicle-mounted lifting bar multipoint positioning mechanism also comprises locating dowel pin (13), on described locating dowel pin (13), be provided with the threaded portion (1301) coordinating with the thread segment of the 3rd knock hole (1101) on described base (11), the threaded portion (1301) of described locating dowel pin (13) can be stretched in described the 3rd knock hole (1101) through the second knock hole (1213) on described platform body (121), and coordinate with the thread segment of described the 3rd knock hole (1101), thus described rotating table (12) is fixed on the end face of described base (11).
4. vehicle-mounted lifting bar multipoint positioning according to claim 3 mechanism, is characterized in that,
The to be installed of described base (11) is provided with threaded mounting hole (1101) to the attachment face of vehicle chassis; The middle part of described base (11) is provided with through hole (1103), the two ends of described through hole (1103) are respectively arranged with the first groove (1102) and the second groove (1104), described the first groove (1102), described through hole (1103) and described the second groove (1104) are communicated with successively, and run through end face and the bottom surface of described base (11), and the diameter of described the first groove (1102) and the second groove (1104) is identical and be greater than the diameter of described through hole (1103); And be provided with separately bearing (14) in described the first groove (1102) and the second groove (1104); On described base (11), be provided with three the 3rd knock holees (1101), these three the 3rd knock holees (1101) are evenly arranged along the periphery of described base (11);
Described rotating table (12) comprises the vertical outward extending platform rotating shaft in the second side (1212) (122) from described platform body (121), and described the second side (1212) is relative with first side (1211) of the fixed end (171) of the vehicle-mounted lifting bar of installation (17) of described platform body (121); The diameter of described platform rotating shaft (122) is arranged so that described platform rotating shaft (122) can rotate in the through hole of described base (11) (1103), and described platform rotating shaft (122) can and stretch out in the bottom surface of described base (11) through the first groove (1102), through hole (1103) and the second groove (1104) on described base (11).
5. vehicle-mounted lifting bar multipoint positioning according to claim 4 mechanism, is characterized in that, the position near described attachment face on the end face of described base (11) is provided with crashproof flange (1105).
6. vehicle-mounted lifting bar multipoint positioning according to claim 1 mechanism, is characterized in that,
Described sliding bar (4) has cavity, on the wall of the first end (41) of described sliding bar (4), be provided with two the first recess (401) that are arranged symmetrically with about the center shaft of described sliding bar (4), the sidewall of the first end of described sliding bar (4) (41) is divided into the first alar part (4101) and the second alar part (4102) by two the first recess (401), on described the first alar part (4101) and the second alar part (4102), is provided with two coaxial pin-and-holes;
Described the first support (5) comprises the first fixed part (501) and is vertically connected to the first engaging lug piece (502) of described the first fixed part (501), wherein, on described the first engaging lug piece (502), be provided with the first connecting bore (5021), and the thickness of described the first engaging lug piece (502) is arranged so that described the first engaging lug piece (502) can freely move in described two the first recess (401); And
Described vehicle-mounted lifting bar multipoint positioning mechanism also comprises the first pin (8), described the first pin (8) comprises the first bearing pin (81), described the first bearing pin (81) has the first thread end (801), and the diameter of described the first bearing pin (81) is less than the diameter of the first connecting bore (5021) on described the first engaging lug piece (502);
In the time being in place, described the first engaging lug piece (502) is plugged in two the first recess (401), two coaxial pin-and-holes on described the first alar part (4101) and the second alar part (4102) are corresponding with the first connecting bore (5021) position on described the first engaging lug piece (502), and first bearing pin (81) of described the first pin (8) is successively through the pin-and-hole on described the first alar part (4101) and the first connecting bore (5021) on described the first engaging lug piece (502), and the pin-and-hole of described the first thread end (801) on described the second alar part (4102) stretches out, thus, by the first nut (802) being bolted on described the first thread end (801), described sliding bar (4) is connected to described the first support (5) rotationally.
7. vehicle-mounted lifting bar multipoint positioning according to claim 5 mechanism, is characterized in that,
Described vehicle-mounted lifting bar multipoint positioning mechanism also comprises the first anchor ear (6) and the second anchor ear (7), described the first anchor ear (6) and the second anchor ear (7) are by panel-bending moulding, the two ends of described the first anchor ear (6) and the second anchor ear (7) are installed on the outer peripheral face of vehicle-mounted lifting bar (17) relative to one another, and the two ends of described the first anchor ear (6) are fixedly attached to the two ends of described the second anchor ear (7), make described the first anchor ear (6) and the second anchor ear (7) be fixed on the outer peripheral face of vehicle-mounted lifting bar (17); And described in the Thickness Ratio of the installation portion of to be installed described first support (5) of described the second anchor ear (7), the second anchor ear (7) other parts is thick, is provided with the second tapped bore (701) on this installation portion;
On first fixed part (501) of described the first support (5), be provided with the first mounting hole (5011), and the position of described the first mounting hole (5011) and quantity are corresponding with the second tapped bore (701) on described the second anchor ear (7), can described the first support (5) be fixed to described the second anchor ear (7) by the bolt being arranged in described the first mounting hole (5011) and described the second tapped bore (701) thus.
8. vehicle-mounted lifting bar multipoint positioning according to claim 1 mechanism, is characterized in that,
On the barrel of second end (206) of described sleeve (2), be provided with two the second recess (201) that are arranged symmetrically with about the center shaft of described sleeve (2), the barrel of described sleeve (2) second ends (206) is divided into flap portion (2061) and the 4th alar part (2062) by two the second recess (201), on described flap portion (2061) and the 4th alar part (2062), is provided with two coaxial pin-and-holes;
Described the second support (1) comprises the second fixed part (101) and is vertically connected to the second engaging lug piece (102) of described the second fixed part (101), wherein, on described the second fixed part (101), be provided with the second mounting hole (103), described the second support (1) can be connected to by being installed on bolt in described the second mounting hole (103) top of vehicle; On described the second engaging lug piece (102), be provided with the second connecting bore (104), and the thickness of described the second engaging lug piece (102) is arranged so that described the second engaging lug piece (502) can freely move in two second recess (201) of described sleeve (2) second ends (206); And
Described vehicle-mounted lifting bar multipoint positioning mechanism also comprises the second pin (10), described the second pin (10) comprises the second bearing pin (1001), described the second bearing pin (1001) has the second thread end (1002), and the diameter of described the second bearing pin (1001) is less than the diameter of the second connecting bore (104) on described the second engaging lug piece (102);
In the time being in place, described the second engaging lug piece (102) is plugged in two the second recess (201), two coaxial pin-and-holes on described flap portion (2061) and the 4th alar part (2062) are corresponding with the second connecting bore (104) position on described the second engaging lug piece (102), and second bearing pin (1001) of described the second pin (10) is successively through the pin-and-hole in described flap portion (2061) and the second connecting bore (104) on described the second engaging lug piece (102), and the pin-and-hole of described the second thread end (1002) on described the 4th alar part (2062) stretches out, thus, by the second nut (1003) being bolted on described the second thread end (1002), described sleeve (2) is connected to described the second support (1) rotationally.
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| CN201410215977.5A CN104002739B (en) | 2014-05-21 | 2014-05-21 | A kind of vehicle-mounted lifting bar multipoint positioning mechanism |
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| CN201410215977.5A CN104002739B (en) | 2014-05-21 | 2014-05-21 | A kind of vehicle-mounted lifting bar multipoint positioning mechanism |
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| CN104002739A true CN104002739A (en) | 2014-08-27 |
| CN104002739B CN104002739B (en) | 2015-11-25 |
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| CN104875355A (en) * | 2015-04-23 | 2015-09-02 | 苏州圣利线缆有限公司 | Color matching material supplying equipment of cable insulation layer double-color co-extrusion device |
| CN108556756A (en) * | 2018-04-03 | 2018-09-21 | 北京汽车研究总院有限公司 | Flagpole mounting assembly and vehicle with it |
| CN109695272A (en) * | 2019-02-25 | 2019-04-30 | 厦门大白科技有限公司 | One kind rotating freely translation elevating lever |
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| CN109695272B (en) * | 2019-02-25 | 2024-04-09 | 厦门大白科技有限公司 | Free rotation translation lifter |
Also Published As
| Publication number | Publication date |
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| CN104002739B (en) | 2015-11-25 |
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Effective date of registration: 20160224 Address after: 100854 Yongding Road, Beijing, No. 52, No. Patentee after: BEIJING AEROSPACE WANDA HIGH-TECH CO., LTD. Address before: 100854 Haidian District, Beijing, box 142, box office, 403 Patentee before: China Aerospace Times Electronics Corporation The 13th Institute |