CN2146386Y - Foldable buffer vehicle draw-bar - Google Patents

Foldable buffer vehicle draw-bar Download PDF

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Publication number
CN2146386Y
CN2146386Y CN 93203996 CN93203996U CN2146386Y CN 2146386 Y CN2146386 Y CN 2146386Y CN 93203996 CN93203996 CN 93203996 CN 93203996 U CN93203996 U CN 93203996U CN 2146386 Y CN2146386 Y CN 2146386Y
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CN
China
Prior art keywords
bar
pull bar
flakes
shock absorber
pull
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Expired - Fee Related
Application number
CN 93203996
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Chinese (zh)
Inventor
刘继英
吴玉石
吴青阳
吴苏宁
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LIU JIYING 9CN)
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LIU JIYING 9CN)
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Priority to CN 93203996 priority Critical patent/CN2146386Y/en
Application granted granted Critical
Publication of CN2146386Y publication Critical patent/CN2146386Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a foldable buffer vehicle draw-bar, which comprises a draw-bar hanging ring, a towing draw rod, and a draw-bar hanging ringer, wherein, a buffer device is connected with the hanging ring of the towing rod, the back of the hanging ring is connected with a main connecting piece, and the main connecting piece is connected with a towing draw rod which is composed of two relative foldable short towing draw rods. The utility model has the advantages of foldable vehicle towing draw rods, convenient taking, and a buffer function, and which is particularly suitable for large, middle, and small vehicles anchoring and towing.

Description

Foldable buffer vehicle draw-bar
The utility model relates to a kind of vehicle towed bar, and it is foldable and have a pooling feature.
Vehicle towed bar is one of vehicle towed necessaries.Yet, still do not have a kind of easy to carry and be suitable for the hard draw bar of casting anchor of large, medium and small type vehicle up to now, and the common traction method soft traction that is nylon tape, the single pole traction of soft traction of steel cable or extremely rough, soft traction is difficult to control the direction that is pulled car, be absolutely unsafe, excessive impact load is born in the traction of existing single pole then difficultly, and draw bar oversize, carry inconvenience.
The purpose of this utility model is exactly in order to address the above problem, and a kind of vehicle easy to carry and shock proof hard draw bar that casts anchor is provided.
Vehicle towed bar of the present utility model is by the draw bar link, two drawing pull bar and be connected the compositions such as draw bar hanging sleeve ring of two draw bar ends, the draw bar link is used for linking to each other with the tractor truck link, draw bar hanging sleeve ring is used for linking to each other with being pulled the car link, it also comprises a shock absorber, the one end is connected with the draw bar link, the other end links to each other in flakes with a master, this master two ends in flakes are hinged with above-mentioned two drawing pull bar respectively, two drawing pull bar independently are expansion in flakes backward and stretch, above-mentioned each drawing pull bar is hinged in flakes by two short distractor pull bars and triangle and constitutes, in addition, vehicle towed bar also comprises a horizontal snap close pull bar, it revolves screw rod by about one and two short snap close pull bars that have left and right sides medial rotation screw at its two ends are formed, these two short snap close pull bars respectively with above-mentioned two drawing pull bar on triangle removably be hinged in flakes, shock absorber, drawing pull bar and horizontal snap close pull bar are roughly in a plane, pull down horizontal snap close pull bar, in above-mentioned plane, two drawing pull bar are the shock absorber folding relatively, and two short stayed poles of each drawing pull bar are folding relatively also.
The vehicle towed bar of another kind of the present utility model that belongs to same design with such scheme is made up of draw bar link, a drawing pull bar and draw bar hanging sleeve ring of being connected the drawing pull bar end etc., a shock absorber, the one end links to each other with the draw bar link, the other end links to each other in flakes with a master, drawing pull bar is connected in the master and goes up in flakes, drawing pull bar is made of with being hinged in flakes accordingly some short distractor pull bars, and has the slidably lock tube that hinge point can be pinned thereon.When above-mentioned hinge point was not lockable, the short distractor pull bar is folding relatively.
Compare with the existing vehicle tractor equipment of casting anchor, vehicle towed bar of the present utility model has shock absorber, the impact resistance when having improved traction, and in addition, draw bar can also folding and be in collecting state, thereby easy to carry.
By accompanying drawing vehicle towed bar of the present utility model is further described below.
Fig. 1 is the scheme drawing of a kind of structure of the vehicle towed bar of the utility model.
Fig. 2 has the cutaway drawing of the vehicle towed bar of spring bumper near the spring bumper part;
Fig. 3 is the cutaway drawing of the vehicle towed bar of Fig. 1 near horizontal snap close pull bar part;
Fig. 4 is the cutaway view along B-B line among Fig. 3;
Fig. 5 be along C among Fig. 3 to view;
Fig. 6 is the view of vehicle towed bar of the present utility model near draw bar hanging sleeve loop section;
Fig. 7 is the birds-eye view of Fig. 6;
Fig. 8 be the vehicle towed bar with Fig. 1 when becoming the single pole traction master connect the cutaway view of two drawing pull bar in flakes;
Fig. 9 is the birds-eye view of Fig. 8;
Figure 10 is the scheme drawing of the vehicle towed bar of Fig. 1 when being in collecting state;
Figure 11 is the scheme drawing of the another kind of structure of vehicle towed bar of the present utility model.
As shown in Figure 1, vehicle towed bar of the present utility model is by draw bar link 1, two drawing pull bar 4 and draw bar hanging sleeve ring 8 compositions such as grade that are connected drawing pull bar 4 ends, draw bar link 1 is used for linking to each other with the tractor truck link, draw bar hanging sleeve ring 8 is used for linking to each other with being pulled the car link, can certainly use on the contrary.A shock absorber 2, the one end is connected with draw bar link 1, the other end and a master 3 link to each other in flakes, main 3 two ends in flakes are hinged with two drawing pull bar 4 respectively, two drawing pull bar 4 independently 3 are expansion backward and stretch in flakes, each drawing pull bar 4 26 is hinged and constitutes in flakes by two short distractor pull bars and triangle, as shown in Figure 3, horizontal snap close pull bar 6 revolves screw rod 23 by about one and two short snap close pull bars 22 that have left and right sides medial rotation screw at its two ends are formed, two short snap close pull bars 22 respectively with two drawing pull bar 4 on triangle 26 removably be hinged in flakes, shock absorber 2, two drawing pull bar 4 and horizontal snap close pull bar 6 are roughly in a plane, pull down horizontal snap close pull bar 6, in above-mentioned plane, two drawing pull bar 4 can be distinguished relative shock absorber 2 foldings, two short distractor pull bars of each drawing pull bar 4 are folding relatively also, and make vehicle towed bar be in collecting state, as shown in figure 10, the horizontal snap close pull bar of wherein pulling down 6 can be connected to one can be on the lock tube 7 that slides on the drawing pull bar 4.Revolve screw rod 23 about rotation and can regulate the angle of 4 of two drawing pull bar (i.e. the spacing of two draw bar hanging sleeve rings 8), to be fit to have the traction of different tractor truck link spacing vehicles, the length d of draw bar is preferably 1.25 meters.
Above-mentioned shock absorber 2 can be the bidirectional buffering device, and it can be vapour-pressure type, fluid pressure type or spring loaded.By shock absorber 2, the impact load in the time of can relaxing vehicle launch or brake improves safety and load-carrying capacity.
Fig. 2 mainly shows a spring loaded shock absorber 2, it comprises a coil spring 14, in coil spring 14, be installed with a guide rod 15 and have an outer tube 16 in its outside, end at outer tube 16 is fixed with a leader casing 13, guide rod 15 connects into an integral body through an axle top cover 12 of fixing on it with draw bar link 1 after passing leader casing 13 again, the other end of guide rod 15 passes spring 14 and one and slidably be screwed with a nut 18 after the stop collar 17 within overcoat 16, by being fixed on the axle top cover 12 on the guide rod 15, nut 18 and the leader casing 13 of captiveing joint with outer tube 16 make spring 14 and stop collar 17 location, in outer tube 16, after the stop collar 17 be one with main 3 pipes 19 of slidably helping pull a cart that are hinged in flakes, after the pipe 19 of helping pull a cart, to be used to help pull a cart and manage 19 stifled sleeve pipe 20 in outer tube 16 internal fixation.Its principle of work is: when draw bar bears pulling force, pulling force at first acts on the draw bar link 1, link 1 drives guide rod 15 then, by nut 18 compressing stop collars 17 compression springs 14 that are locked at guide rod one end, spring 14 withstands leader casing 13 and drives outer tube 16, outer tube 16 drives the master that helps pull a cart pipe 19 and be attached thereto in flakes on 3 through stifled sleeve pipe 20 again, through drawing pull bar 4 tractive force is delivered to be pulled on the car again; When draw bar is hit pressure, 3 pass on the pipe 19 of helping pull a cart in flakes through main from the impulsive force that is pulled car, the pipe 19 of helping pull a cart slides forward and oppresses stop collar 17 compression springs 14, thereby plays buffer action.
Extremely shown in Figure 5 as Fig. 3, for expendable weight, each short distractor pull bar of drawing pull bar 4 constitutes by two obstructions 24 and a traction tube betwixt 25, in addition, on drawing pull bar 4, have can with two short stayed poles by the triangle slidably lock tube 5 that pins of 26 pivotally attached positions in flakes, to improve rigidity, two short distractor bars of the drawing pull bar of Fig. 3 middle and upper part are lockable.
Fig. 6 and Fig. 7 express after draw bar hanging sleeve ring 8 is laterally hinged with by himself bolt, so that reduce flexure stress to draw bar when beating in that vehicle is upper and lower, wherein being laterally hinged with of bolt can be freely to dismantle.
Vehicle towed bar of the present utility model, except short snap close pull bar 22 and triangle in flakes 26 hinged detachable, the hinged of other also can be designed to detouchable, like this, when tractor truck be pulled car and all have only a link (or hook) or in case of necessity, draw bar of the present utility model can be become single traction rod-type by two traction rod-types, being about to drawing pull bar 4 ends direct and shock absorber 2 is hinged, also can be with main 3 two drawing pull bar 4 are hinged in flakes, and by 7 pinnings of a lock tube that can on drawing pull bar 4, slide, thereby constitute a long single drawing pull bar, as Fig. 8, shown in 9, in these cases, must pin two short distractor pull bars with lock tube 5.
Said structure of the present utility model provides a kind of multi-functional foldable buffer-type vehicle towed bar, the form that it has adopted rigid frame and truss to combine, reduced weight, the rigidity and the load-carrying capacity of structure have been improved, longitudinal loading can be born and transverse load can be born again, and the impact resistance when having improved traction in addition, can make it to be used to have the vehicle towed of different traction link spacings by adjusting horizontal snap close pull bar.It is specially adapted to pull the large, medium and small type vehicle that casts anchor, if further design also will be applicable to and pull medium and small trailer, thereby have broad application prospects to enlarge towability.
Figure 11 has provided a kind of vehicle towed bar of single lever-type, it is by draw bar link 1, a drawing pull bar 4 ' and be connected the terminal draw bar hanging sleeve ring 8 of drawing pull bar 4 ' etc. and form, a shock absorber 2, the one end links to each other with draw bar link 1, the other end 3 ' is connected in flakes with main, drawing pull bar 4 ' is connected in main in flakes on 3 ', it by some short distractor pull bars with 26 ' be hinged and constitute (only showing two short distractor pull bars) in flakes accordingly at this, on drawing pull bar, have the slidably lock tube 5 that hinge point can be pinned.When the hinged place was not lockable, the short distractor pull bar is folding relatively.
In structure shown in Figure 11, draw bar link, shock absorber, draw bar hanging sleeve ring and lock tube are identical with the 26S Proteasome Structure and Function of the described draw bar link 1 of Fig. 1-10, shock absorber 2, draw bar hanging sleeve ring 8 and lock tube 5, therefore represent with identical label in the drawings, no longer repeat at this.
Drawing pull bar 4 ' and shock absorber 2 are connected main in flakes on 3 ' substantially alignedly, shock absorber 2 is entirely identical to shock absorber 2 and main 3 type of attachment in flakes among Fig. 1-10 with main 3 ' type of attachment in flakes, and the short distractor pull bar also respectively stops up by two and a traction tube between it constitutes (the same with the structure of Fig. 1-10).26 ' need not to be leg-of-mutton (as shown in Figure 3) in flakes between the short distractor pull bar, but its connection mode and Fig. 1-10 with the short distractor pull bar is described identical.Identical shown in the connection of draw bar hanging sleeve ring 8 and drawing pull bar and Fig. 6,7.
Single lever-type draw bar shown in Figure 11 is particularly suitable for tractor truck and is pulled the situation that car all has only a link or hook.
On the vehicle towed bar shown in Fig. 1-11, reflector sign can in position be set, as pasting reflective sheeting, be coated with refletorized paint etc., caution is provided for the driver of other vehicle when night or the dark middle rolling car.

Claims (12)

1, a kind of vehicle towed bar, comprise draw bar link (1), two drawing pull bar (4) and be connected the terminal draw bar hanging sleeve ring (8) of drawing pull bar (4), it is characterized in that, it also comprises a shock absorber (2), the one end is connected with draw bar link (1), the other end and a master (3) in flakes link to each other, the main two ends of (3) in flakes are hinged with two drawing pull bar (4) respectively, two drawing pull bar (4) independently are expansion in flakes backward and stretch, each drawing pull bar (4) by two short distractor pull bars and triangle in flakes (26) be hinged and constitute, in addition, vehicle towed bar also comprises a horizontal snap close pull bar (6), it revolves screw rod (3) by about one and two short snap close pull bars (22) that have left and right sides medial rotation tapped bore at its two ends are formed, two short snap close pull bars (22) respectively with two drawing pull bar (4) on triangle in flakes (26) removably be hinged, shock absorber (2), two drawing pull bar (4), laterally snap close pull bar (6) is roughly in a plane, the horizontal snap close pull bar (6) of dismantling, in above-mentioned plane, two drawing pull bar (4) are shock absorber (2) folding relatively, and two short distractor pull bars of every drawing pull bar (4) are folding relatively also.
2, vehicle towed bar according to claim 1 is characterized in that, described shock absorber (2) is vapour-pressure type shock absorber or fluid pressure type shock absorber.
3, vehicle towed bar according to claim 1, it is characterized in that, described shock absorber (2) is the spring loaded shock absorber, it comprises a coil spring (14), in coil spring (14), be installed with a guide rod (15) and have an outer tube (16) in its outside, end at outer tube (16) is fixed with a leader casing (13), guide rod (15) connects into an integral body through an axle top cover (12) of fixing on it with draw bar link (1) after passing leader casing (13) again, guide rod (15) other end pass spring (14) and one within outer tube (16) slidably stop collar (17) be screwed with a nut (18) afterwards, by being fixed on the axle top cover (12) on the guide rod (15), nut (18) and the leader casing (13) of captiveing joint with outer tube (16) make spring (14) and stop collar (17) location, in outer tube (16), stop collar (17) is a pipe (19) of slidably helping pull a cart that is hinged with main (3) in flakes afterwards, the stifled sleeve pipe (20) of the pipe (19) that is used to help pull a cart afterwards in outer tube (16) internal fixation at the pipe (19) of helping pull a cart.
4, according to the described vehicle towed bar of one of claim 1-3, it is characterized in that, each short distractor pull bar constitutes by two obstructions (24) and a traction tube (25) therebetween, on drawing pull bar (4), have can with two short distractor pull bars by the triangle slidably lock tube (5) that pins of (26) pivotally attached position in flakes, and draw bar hanging sleeve ring (8) is to be laterally hinged with back and the vertical pivotally attached of drawing pull bar (4) by himself bolt.
5, vehicle towed bar according to claim 4 is characterized in that, except short snap close pull bar (22) and triangle in flakes (26) but hinged demolition, other is hinged also to be detouchable.
According to the vehicle towed bar of claim 4, it is characterized in that 6, its length d is 1.25 meters.
7, vehicle towed bar according to claim 4 is characterized in that, above it reflector sign can be set.
8, a kind of vehicle towed bar, comprise draw bar link (1), a drawing pull bar (4 ') and be connected the terminal draw bar hanging sleeve ring (8) of drawing pull bar (4 '), it is characterized in that, it also comprises a shock absorber (2), the one end links to each other with draw bar link (1), the other end was connected with main (3 ') in flakes, drawing pull bar (4) was connected on main (3 ') in flakes, drawing pull bar (4 ') by some short distractor pull bars with accordingly in flakes (26 ') be hinged and constitute, and have the slidably lock tube (5) that hinge point can be pinned thereon.
9, vehicle towed bar according to claim 8 is characterized in that, shock absorber (2) is vapour-pressure type shock absorber or fluid pressure type shock absorber.
10, vehicle towed bar according to claim 8, it is characterized in that, described shock absorber (2) is the spring loaded shock absorber, it comprises a coil spring (14), in coil spring (14), be installed with a guide rod (15) and have an outer tube (16) in its outside, end at outer tube (16) is fixed with a leader casing (13), guide rod (15) connects into an integral body through an axle top cover (12) of fixing on it with draw bar link (1) after passing leader casing (13) again, guide rod (15) other end pass spring (14) and one within outer tube (16) slidably stop collar (17) be screwed with a nut (18) afterwards, by being fixed on the axle top cover (12) on the guide rod (15), nut (18) and the leader casing (13) of captiveing joint with outer tube (16) make spring (14) and stop collar (17) location, in outer tube (16), stop collar (17) is a pipe (19) of slidably helping pull a cart that is hinged with main (3 ') in flakes afterwards, the stifled sleeve pipe (20) of the pipe (19) that is used to help pull a cart afterwards in outer tube (16) internal fixation at the pipe (19) of helping pull a cart.
11, according to Claim 8 described vehicle towed bar one of-10, it is characterized in that, each short distractor pull bar stops up by two and a traction tube between it constitutes, and draw bar hanging sleeve ring (8) can be laterally hinged with afterwards vertical hinged with drawing pull bar (4 ') by self bolt with freely dismantling.
12, vehicle towed bar according to claim 11 is characterized in that, which is provided with reflector sign.
CN 93203996 1993-02-26 1993-02-26 Foldable buffer vehicle draw-bar Expired - Fee Related CN2146386Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 93203996 CN2146386Y (en) 1993-02-26 1993-02-26 Foldable buffer vehicle draw-bar

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Application Number Priority Date Filing Date Title
CN 93203996 CN2146386Y (en) 1993-02-26 1993-02-26 Foldable buffer vehicle draw-bar

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Publication Number Publication Date
CN2146386Y true CN2146386Y (en) 1993-11-17

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CN 93203996 Expired - Fee Related CN2146386Y (en) 1993-02-26 1993-02-26 Foldable buffer vehicle draw-bar

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102358119A (en) * 2011-08-02 2012-02-22 江苏海鹏特种车辆有限公司 Full-trailer towing hook
CN103702846A (en) * 2011-03-31 2014-04-02 防卫产品和服务集团公司 Towing assembly
CN105523310A (en) * 2016-02-14 2016-04-27 南通润邦重机有限公司 Folding type hopper dragging support
CN107053976A (en) * 2017-03-29 2017-08-18 江苏农牧科技职业学院 A kind of agricultural loading vehicles articulated system
CN109849598A (en) * 2018-11-13 2019-06-07 重庆长安工业(集团)有限责任公司 A kind of lightning protection vehicle buffer-type draw bar
CN111634156A (en) * 2020-06-05 2020-09-08 新金城智能装备有限公司 Intelligent integrated kitchen convenient to remove and use

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103702846A (en) * 2011-03-31 2014-04-02 防卫产品和服务集团公司 Towing assembly
CN103702846B (en) * 2011-03-31 2016-12-14 防卫产品和服务集团公司 Traction component
CN102358119A (en) * 2011-08-02 2012-02-22 江苏海鹏特种车辆有限公司 Full-trailer towing hook
CN105523310A (en) * 2016-02-14 2016-04-27 南通润邦重机有限公司 Folding type hopper dragging support
CN105523310B (en) * 2016-02-14 2017-11-10 南通润邦重机有限公司 A kind of collapsible hopper dragging support
CN107053976A (en) * 2017-03-29 2017-08-18 江苏农牧科技职业学院 A kind of agricultural loading vehicles articulated system
CN109849598A (en) * 2018-11-13 2019-06-07 重庆长安工业(集团)有限责任公司 A kind of lightning protection vehicle buffer-type draw bar
CN111634156A (en) * 2020-06-05 2020-09-08 新金城智能装备有限公司 Intelligent integrated kitchen convenient to remove and use

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GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee