CN103407470B - For the Rear frame component of modular folding trailer - Google Patents
For the Rear frame component of modular folding trailer Download PDFInfo
- Publication number
- CN103407470B CN103407470B CN201310379144.8A CN201310379144A CN103407470B CN 103407470 B CN103407470 B CN 103407470B CN 201310379144 A CN201310379144 A CN 201310379144A CN 103407470 B CN103407470 B CN 103407470B
- Authority
- CN
- China
- Prior art keywords
- bearing surface
- pivoted hole
- attaching parts
- hole
- luggage carrier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
- B62B3/022—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible folding down the body to the wheel carriage or by retracting projecting parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/008—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor having more than two axes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2206/00—Adjustable or convertible hand-propelled vehicles or sledges
- B62B2206/006—Convertible hand-propelled vehicles or sledges
Abstract
The invention discloses a kind of Rear frame component for modular folding trailer, comprise rear luggage carrier, rear wheel assemblies, back shield and attaching parts; Rear luggage carrier is provided with rear traveller, rear limiting block platform and rear spacing teeth groove; Each attaching parts is provided with the first pivoted hole, rear gathering bearing surface, rear expansion bearing surface, rear arc transition face, the second pivoted hole, draws bearing area in, launches bearing area and locking screw holes, and each rear wheel assemblies comprises the rear wheel frame with rear sleeve, rear torsion spring and rear wheel; Back shield is provided with rear connection boss, and each rear connection boss is provided with rear axis hole, load flange and spacing lockhole; Stop screw is arranged in the locking screw holes of attaching parts, and in the process of reciprocal turn, stretches into or shift out corresponding spacing lockhole.The present invention in use, both can with front vehicle frame assembly with the use of, be combined to form Four-wheel foldable trailer, also can be used alone, as the collapsible luggage trolley of two-wheeled, there is the advantage of multi-purpose.
Description
Technical field
The present invention relates to trailer technical field, particularly relate to a kind of Rear frame component for modular folding trailer.
Background technology
People often use four-wheel trailer when doing shopping carrying article, can save strength for user, but four-wheel trailer volume is general comparatively large at present, can not fold gathering, carry inconvenience, take up room also very large when depositing.
Patent documentation CN202186404U discloses a kind of foldable luggage trolley, this car comprises telescopic vehicle frame, its underpart is provided with the cylindrical pull bar be hinged with baggage car weight tray, described cylindrical pull bar top is provided with the first circular groove, and the first circular groove lower surface is provided with the first spiral-guide face; Weight tray folds afterwards and vehicle frame is fitted, and it launches vertical with vehicle frame afterwards setting, for carrying luggage; Weight tray is connected side and is provided with the vertical road wheel Stroke Control part be fixedly connected with described weight tray with vehicle frame; Wheel stand has the second circular groove be socketed with described cylindrical pull bar adaptation, and the second circular groove upper surface is provided with the second spiral-guide face suitable with described first spiral-guide face, and the second circular groove internal fixtion is taken a seat a rotary torsion spring; Pull bar is vertically arranged in the second circular groove, and the shaft hole sleeve of pull bar bottom is connected in the axle of vertical road wheel Stroke Control part; When weight tray launches, described vertical road wheel formation control part forms pushing tow to the second circular groove, guide under the combined action in described first spiral-guide face and the second spiral-guide face and vertical road wheel moves and launches to both sides outward turning, when weight tray folds, wheel inward turning under the effect of described rotary torsion spring reclaims and vertically moves down simultaneously; Vehicle wheel after folding is along protruding from edge at the bottom of the weight tray after folding.
This patent documentation describes detailed mechanism and the principle of work of collapsible wheel in detail, but this kind of foldable luggage trolley is owing to being the push-and-pull vehicle only having two-wheeled, and carrying dynamics is less, can not be widely used in factory floor and use.
Summary of the invention
The object of this invention is to provide one both can with front vehicle frame assembly with the use of, be combined to form Four-wheel foldable trailer, also can be used alone, as the Rear frame component for Four-wheel foldable trailer of two-wheeled folding trailer.
The technical scheme realizing the object of the invention is: a kind of Rear frame component for modular folding trailer, comprising rear luggage carrier, two rear wheel assemblies, being arranged on the back shield of rear luggage carrier rear end and two attaching partss for being connected back shield and rear luggage carrier; The left and right sides end of rear luggage carrier rear end is respectively provided with a rearwardly projecting rear traveller, and each rear traveller is provided with the rear limiting block platform of annular, and the rear end of each rear limiting block platform is provided with multiple rear spacing teeth groove; The rear end of each rear traveller is provided with rear pin-and-hole; The front end of each attaching parts is provided with the first pivoted hole, rear gathering bearing surface, rear expansion bearing surface and draws the rear arc transition face of bearing surface and rear expansion bearing surface after connecting in, and rear gathering bearing surface is perpendicular to rear expansion bearing surface; After each attaching parts and corresponding one, traveller is by being rotationally connected through the bearing pin of the first pivoted hole and rear pin-and-hole, and the central axis of the first pivoted hole and the distance of rear expansion bearing surface are greater than the distance of this central axis and rear gathering bearing surface; Each rear expansion bearing surface is parallel to back shield place plane, and each rear gathering bearing surface is perpendicular to back shield place plane; The rear end of each attaching parts being provided with the second pivoted hole for being rotationally connected with back shield, drawing bearing area in, launching bearing area and locking screw holes, second pivoted hole is between locking screw holes and the first pivoted hole, draw bearing area in and be positioned at the side of the second pivoted hole away from the first pivoted hole, launch bearing area and be positioned at the side of the second pivoted hole close to the first pivoted hole; Each rear wheel assemblies comprises the rear wheel frame with rear sleeve, rear torsion spring and rotation and is arranged on rear wheel on rear wheel frame; The front end of each rear sleeve is provided with the rear spacing double wedge matched with each rear spacing teeth groove; After rear sleeve is set in corresponding one on traveller, rear torsion spring set is located on corresponding rear traveller, and is positioned within rear sleeve; Back shield connects boss after being provided with two, and each rear connection boss is provided with rear axis hole, along the load flange of rear luggage carrier horizontal direction evagination and the spacing lockhole that matches with locking screw holes on attaching parts; Each rear connection boss and a corresponding attaching parts are by being rotationally connected through the bearing pin of rear axis hole and the second pivoted hole; A stop screw is arranged in the locking screw holes of attaching parts, and in the process of reciprocal turn, stretches into or shift out corresponding spacing lockhole; Load flange, in the process of rotating around the second pivoted hole along with rear connection boss, can be connected to the gathering bearing area of attaching parts and launch in bearing area, and then band follower link rotates.
In such scheme, the front end of Rear frame component is provided with coupling mechanism; Coupling mechanism comprise the left and right sides end being arranged on rear luggage carrier front end there are two of lock hole after pitman, be fixedly installed on the rear pin joint connecting portion on each rear pitman on diapire, two lock screws and two connecting link pins, each lock screw is arranged in a corresponding lock hole, and each connecting link pin rotates the center being arranged on pin joint connecting portion after corresponding.
In such scheme, back shield can rotate around rear axis hole in external force, until load flange is connected in the expansion bearing area of attaching parts, now the upper surface of back shield upper surface and rear luggage carrier is in same plane.
The present invention in use, both can with front vehicle frame assembly with the use of, be combined to form Four-wheel foldable trailer, also can be used alone, as the collapsible luggage trolley of two-wheeled, there is the advantage of multi-purpose.
Accompanying drawing explanation
Fig. 1 is a kind of perspective view of the present invention when being in deployed condition;
Fig. 2 is a kind of perspective view of front vehicle frame assembly in trailer shown in Fig. 1;
Fig. 3 is a kind of exploded view of the assembly of front vehicle frame shown in Fig. 2;
Fig. 4 is that the assembly of front vehicle frame shown in Fig. 2 is from a kind of exploded view during another angle views;
Fig. 5 is a kind of perspective view of Rear frame component in trailer shown in Fig. 1;
Fig. 6 is a kind of exploded view of Rear frame component shown in Fig. 5;
Fig. 7 is that Rear frame component shown in Fig. 5 is from a kind of perspective view during another angle views;
Fig. 8 is a kind of lateral plan when back shield and attaching parts coordinate in Rear frame component shown in Fig. 5;
Fig. 9 is a kind of exploded view of back shield described in Fig. 8 and attaching parts;
Figure 10 is a kind of perspective view of the present invention when being in flat;
Figure 11 is that trailer shown in Figure 10 is from a kind of perspective view during another angle views;
Figure 12 is a kind of lateral plan of trailer shown in Figure 10;
Figure 13 is a kind of perspective view of the present invention when being in preliminary folded state;
Figure 14 is a kind of lateral plan of trailer shown in Figure 13;
Figure 15 is the close-up schematic view at A place in Figure 14;
Figure 16 is the close-up schematic view at B place in Figure 14;
Figure 17 is a kind of perspective view of the present invention when being in complete folded state;
Figure 18 is a kind of lateral plan of trailer shown in Figure 17.
Be labeled as shown in accompanying drawing: front vehicle frame assembly 1, front luggage carrier 11, front sliding column 111, front limit gear platform 112, front limit teeth groove 113, front pin-and-hole 114, front wheel assemblies 12, anterior cannula 121, front wheel carrier 122, front torsion spring 123, front vehicle wheel 124, front limit double wedge 125, front apron 13, front connection boss 131, front-axle hole 132, front gathering bearing surface 133, front expansion bearing surface 134, front arc transition face 135, rotating junction 136, clamp 137, pull bar 14, Rear frame component 2, rear luggage carrier 21, rear traveller 211, rear limiting block platform 212, rear spacing teeth groove 213, rear pin-and-hole 214, rear wheel assemblies 22, rear sleeve 221, rear wheel frame 222, rear torsion spring 223, rear wheel 224, rear spacing double wedge 225, back shield 23, rear connection boss 231, rear axis hole 232, load flange 233, spacing lockhole 234, attaching parts 24, first pivoted hole 241, rear gathering bearing surface 242, rear expansion bearing surface 243, rear arc transition face 244, second pivoted hole 245, draw bearing area 246 in, launch bearing area 247, locking screw holes 248, stop screw 25, coupling mechanism 3, front pitman 31, screw 311, front pin joint connecting portion 32, rear pitman 33, lock hole 331, rear pin joint connecting portion 34, lock screw 35, connecting link pin 36, bearing pin 100.
Detailed description of the invention
(embodiment 1)
The present embodiment is a kind of Rear frame component for modular folding trailer, seeing shown in Fig. 1 to Fig. 5, comprise rear luggage carrier 21, two rear wheel assemblies 22, being arranged on the back shield 23 of rear luggage carrier rear end and two attaching partss 24 for being connected back shield and rear luggage carrier; The left and right sides end of rear luggage carrier rear end is respectively provided with a rearwardly projecting rear traveller 211, and each rear traveller is provided with the rear limiting block platform 212 of annular, and the rear end of each rear limiting block platform is provided with multiple rear spacing teeth groove 213; The rear end of each rear traveller is provided with rear pin-and-hole 214; The front end of each attaching parts is provided with the first pivoted hole 241, rear gathering bearing surface 242, rear expansion bearing surface 243 and draws the rear arc transition face 244 of bearing surface and rear expansion bearing surface after connecting in, and rear gathering bearing surface is perpendicular to rear expansion bearing surface; After each attaching parts and corresponding one, traveller is rotationally connected by the bearing pin 100 through the first pivoted hole and rear pin-and-hole 214, and as shown in Figure 4, the central axis of the first pivoted hole and the distance a of rear expansion bearing surface are greater than the distance b of this central axis and rear gathering bearing surface; Each rear expansion bearing surface is parallel to back shield place plane, and each rear gathering bearing surface is perpendicular to back shield place plane; The rear end of each attaching parts being provided with the second pivoted hole 245 for being rotationally connected with back shield, drawing bearing area 246 in, launching bearing area 247 and locking screw holes 248, second pivoted hole 245 is between locking screw holes 248 and the first pivoted hole 241, draw bearing area in and be positioned at the side of the second pivoted hole away from the first pivoted hole, launch bearing area and be positioned at the side of the second pivoted hole close to the first pivoted hole; Each rear wheel assemblies comprises rear wheel frame 222, the rear torsion spring 223 with rear sleeve 221 and rotates the rear wheel 224 that is arranged on rear wheel frame; The front end of each rear sleeve is provided with the rear spacing double wedge 225 matched with each rear spacing teeth groove; After rear sleeve is set in corresponding one on traveller, rear torsion spring set is located on corresponding rear traveller, and is positioned within rear sleeve; Back shield is provided with two and connects boss 231 afterwards, and each rear connection boss is provided with rear axis hole 232, along the load flange 233 of rear luggage carrier horizontal direction evagination and the spacing lockhole 234 that matches with locking screw holes on attaching parts; Each rear connection boss and a corresponding attaching parts are rotationally connected by the bearing pin 100 through rear axis hole and the second pivoted hole; A stop screw 25 is arranged in the locking screw holes of attaching parts, and in the process of reciprocal turn, stretches into or shift out corresponding spacing lockhole 234; Load flange, in the process of rotating around the second pivoted hole along with rear connection boss, can be connected to the gathering bearing area of attaching parts and launch in bearing area, and then band follower link rotates.
The front end of Rear frame component is provided with coupling mechanism 3; Coupling mechanism comprise the left and right sides end being arranged on rear luggage carrier front end there are two of lock hole 331 after pitman 33, be fixedly installed on rear pin joint connecting portion 34, two lock screws 35 on each rear pitman on diapire and two connecting link pins 36, each lock screw 35 is arranged in a corresponding lock hole 35, and each connecting link pin 36 rotates the center being arranged on pin joint connecting portion 34 after corresponding.
Back shield can rotate around rear axis hole in external force, until load flange is connected in the expansion bearing area of attaching parts, now the upper surface of back shield upper surface and rear luggage carrier is in same plane.
The present embodiment can use as two-wheeled folding trailer separately, and specifically using closing on the roofbolt of front luggage carrier in Rear frame component as towing holding rod, back shield is as support board.
(application examples 1)
Should use-case be a kind of modular folding trailer adopting above-described embodiment 1 to make, see shown in Fig. 6 to Figure 18, comprising front vehicle frame assembly 1, Rear frame component 2 and the coupling mechanism 3 for connecting front vehicle frame assembly and Rear frame component.
Should see Fig. 6 to Fig. 9 by the concrete structure of use-case when being in deployed condition, described front vehicle frame assembly comprises front luggage carrier 11, two front wheel assemblies 12, the front apron 13 being arranged on front luggage carrier front end and the pull bar 14 be arranged on front apron; The left and right sides end of front luggage carrier front end is respectively provided with a front sliding column 111 given prominence to forward, and each front sliding column is provided with annular front limit gear platform 112, and the front end of each front limit gear platform is provided with multiple front limit teeth groove 113; The front end of each front sliding column is provided with front pin-and-hole 114; Each front wheel assemblies comprises front wheel carrier 122, the front torsion spring 123 with anterior cannula 121 and rotates the front vehicle wheel 124 that is arranged on front wheel carrier; The rear end of each anterior cannula is provided with the front limit double wedge 125 matched with each front limit teeth groove; Anterior cannula is set on a corresponding front sliding column, and front torsion spring set is located on corresponding front sliding column, and is positioned within anterior cannula; Front apron connects boss 131 before being provided with two, connects boss and be provided with front-axle hole 132, front gathering bearing surface 133, front expansion bearing surface 134 and draw the front arc transition face 135 of bearing surface and front expansion bearing surface before connecting in before each; The central axis of front-axle hole and the distance of front expansion bearing surface are greater than the distance of this central axis and front gathering bearing surface; Boss is connected by being rotationally connected with front sliding column through the bearing pin 100 of front-axle hole and a corresponding front pin-and-hole before each; Launch bearing surface before each and be parallel to front apron place plane, each bearing surface that draws in is perpendicular to front apron place plane.
Rear frame component comprising rear luggage carrier 21, two rear wheel assemblies 22, being arranged on the back shield 23 of rear luggage carrier rear end and two attaching partss 24 for being connected back shield and rear luggage carrier.
The left and right sides end of rear luggage carrier rear end is respectively provided with a rearwardly projecting rear traveller 211, and each rear traveller is provided with the rear limiting block platform 212 of annular, and the rear end of each rear limiting block platform is provided with multiple rear spacing teeth groove 213; The rear end of each rear traveller is provided with rear pin-and-hole 214; The front end of each attaching parts is provided with the first pivoted hole 241, rear gathering bearing surface 242, rear expansion bearing surface 243 and draws the rear arc transition face 244 of bearing surface and rear expansion bearing surface after connecting in, and rear gathering bearing surface is perpendicular to rear expansion bearing surface; After each attaching parts and corresponding one, traveller is rotationally connected by the bearing pin 100 through the first pivoted hole and rear pin-and-hole 214, and the central axis of the first pivoted hole and the distance a of rear expansion bearing surface are greater than the distance b of this central axis and rear gathering bearing surface; Each rear expansion bearing surface is parallel to back shield place plane, and each rear gathering bearing surface is perpendicular to back shield place plane; The rear end of each attaching parts being provided with the second pivoted hole 245 for being rotationally connected with back shield, drawing bearing area 246 in, launching bearing area 247 and locking screw holes 248, second pivoted hole 245 is between locking screw holes 248 and the first pivoted hole 241, draw bearing area in and be positioned at the side of the second pivoted hole away from the first pivoted hole, launch bearing area and be positioned at the side of the second pivoted hole close to the first pivoted hole; Each rear wheel assemblies comprises rear wheel frame 222, the rear torsion spring 223 with rear sleeve 221 and rotates the rear wheel 224 that is arranged on rear wheel frame; The front end of each rear sleeve is provided with the rear spacing double wedge 225 matched with each rear spacing teeth groove; After rear sleeve is set in corresponding one on traveller, rear torsion spring set is located on corresponding rear traveller, and is positioned within rear sleeve; Back shield is provided with two and connects boss 231 afterwards, and each rear connection boss is provided with rear axis hole 232, along the load flange 233 of rear luggage carrier horizontal direction evagination and the spacing lockhole 234 that matches with locking screw holes on attaching parts; Each rear connection boss and a corresponding attaching parts are rotationally connected by the bearing pin 100 through rear axis hole and the second pivoted hole; A stop screw 25 is arranged in the locking screw holes of attaching parts, and in the process of reciprocal turn, stretches into or shift out corresponding spacing lockhole 234; Load flange, in the process of rotating around the second pivoted hole along with rear connection boss, can be connected to the gathering bearing area of attaching parts and launch in bearing area, and then band follower link rotates.
Should in use-case coupling mechanism 3 comprise two front pitmans 31 with screw 311 of the left and right sides end being arranged on front luggage carrier rear end, the front pin joint connecting portion 32 be fixedly installed on each front pitman diapire, be arranged on rear luggage carrier front end left and right sides end there are two of lock hole 331 after pitman 33, be fixedly installed on rear pin joint connecting portion 34, two lock screws 35 on each rear pitman on diapire and two connecting link pins 36; Each front pin joint connecting portion and rear pin joint connecting portion are rotationally connected by a connecting link pin, when current luggage carrier upper surface and rear luggage carrier upper surface are in same plane, each screw 311 transversely direction is just arranged a lock hole 331, each lock screw 35 is arranged in a corresponding screw 311, and in the process of reciprocal turn, stretch into or shift out corresponding lock hole 331; Described front vehicle frame assembly and Rear frame component can be superimposed after connecting link pin 36 rotates 180 degree.
Should in use-case, front apron is provided with the rotating junction 136 with pin-and-hole close to one end of front connection boss, and front apron is provided with two clamps 137 of protrusion away from one end of front connection boss; The bottom of pull bar and the rotating junction of front apron are rotationally connected, the middle part of pull bar can clamping connection between two clamps.In concrete practice, also pull bar can be fixedly installed on front apron.
Should use-case when being in deployed condition, see shown in Fig. 6 to Fig. 9, the upper surface of front luggage carrier and rear luggage carrier is in same plane, front luggage carrier and rear luggage carrier are connected by coupling mechanism, and to be screwed in after screw 311 by lock screw 35 and extend into lock hole 331 and front luggage carrier and rear luggage carrier are locked.Now in front vehicle frame assembly, front apron is perpendicular to front luggage carrier, front expansion bearing surface 134 on front limit gear platform is parallel to front apron place plane, and be connected on the front end face of anterior cannula 121, also make each front limit double wedge of anterior cannula rear end be embedded in corresponding front limit teeth groove simultaneously, front limit teeth groove thus have restriction rotating effect to anterior cannula, makes front vehicle wheel now perpendicular to front luggage carrier place plane, can roll to realize normally towing.In Rear frame component, back shield is perpendicular to rear luggage carrier place plane, and the rear load flange 233 connecting boss is connected in the gathering bearing area 246 of attaching parts, and this gathering bearing area in this condition, can prevent back shield from continuing to rotate forward; In addition, now turn stop screw 25, extend into after the locking screw holes 248 making it pass attaching parts in the corresponding rear spacing lockhole 234 connected on boss 231, thus back shield 23 and attaching parts are locked, effectively prevent back shield from rotating backward under the extruding of goods; Rear expansion bearing surface 243 in each attaching parts is parallel to back shield place plane, and be connected on the aft end face of corresponding rear sleeve, the each rear spacing double wedge of rear sleeve front end is made to be embedded in rear spacing teeth groove, rear spacing teeth groove thus there is restriction rotating effect to rear sleeve, make rear wheel now perpendicular to rear luggage carrier place plane, can roll to realize normally towing.
Should see shown in Figure 10 to Figure 12 by the use-case concrete structure that is in flat, under deployed condition shown in Fig. 6, turn stop screw 25, it is made to shift out from the spacing lockhole 234 of rear connection boss 231, external force promotes back shield and rotates backward around rear axis hole 232, until load flange 233 is connected in the expansion bearing area 247 of attaching parts, now the upper surface of back shield upper surface and rear luggage carrier is in same plane, under the position-limiting action of the expansion bearing area 247 of attaching parts, can prevent back shield from continuing to rotate backward; This structure also can use back shield as support board, effectively increase the loaded area of trailer.
Should see shown in Figure 13 to Figure 16 by the use-case concrete structure that is in preliminary folded state, under deployed condition shown in Fig. 6, direct driven forward back shield under external force, because the load flange 233 on back shield is connected in the gathering bearing area 246 of attaching parts, thus band follower link rotates forward around the first pivoted hole 241, until after draw bearing surface 242 in and be connected on the aft end face of rear sleeve perpendicular to rear luggage carrier place plane, because the central axis of the first pivoted hole and the distance of rear expansion bearing surface are greater than the distance of this central axis and rear gathering bearing surface, make rear sleeve in the rotation process of attaching parts, can under the elastic force effect of rear torsion spring 223, slippage certain distance backward, rear spacing double wedge is shifted out from corresponding rear spacing teeth groove, because rear spacing teeth groove no longer has restriction rotating effect to rear sleeve, so rear sleeve can under the twisting force of rear torsion spring, superimposed with rear luggage carrier after driving rear wheel frame 222 and rear wheel 224 to turn an angle.In addition, under deployed condition shown in Fig. 6, external force promotes front apron backward, connect boss 131 before driving to rotate backward around front-axle hole 132, until front gathering bearing surface 133 is connected on the front end face of anterior cannula, because the central axis of front-axle hole and the distance of front expansion bearing surface are greater than the distance of this central axis and front gathering bearing surface, so rotate backward in process at back shield, anterior cannula can slippage certain distance forward, front limit double wedge is shifted out from corresponding front limit teeth groove, because front limit teeth groove does not have restriction rotating effect to anterior cannula, so anterior cannula can under the twisting force of front torsion spring, superimposed with front luggage carrier after driving front wheel carrier and front vehicle wheel to turn an angle.
Should see shown in Figure 17 to Figure 18 by the use-case concrete structure that is in complete folded state, under folded state preliminary shown in Figure 13, turn lock screw 35 makes its end shift out lock hole 331, now front luggage carrier and rear luggage carrier can rotate around connecting link pin 36, and before making after rotation 180 degree the basal surface of luggage carrier adjoin after the basal surface of luggage carrier; Now, can again its end be extend in lock hole 331 turn lock screw 35, thus again by front luggage carrier and the locking of rear luggage carrier, both can not be separated themselves.
In addition, should also have a characteristic by use-case, pulling down connecting link pin 36 afterwards (because in concrete practice exactly, can with bolt assembly replace should riveted joint pin in use-case as connecting link pin, its dismounting is all comparatively easy), front vehicle frame assembly and Rear frame component all can independently become two-wheeled folding trailer; For front vehicle frame assembly, pull bar continues as towing holding rod, and front luggage carrier continues as luggage carrier; But for Rear frame component, be in Rear frame component, close on front luggage carrier roofbolt as towing holding rod, back shield is as support board.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And these belong to spirit institute's apparent change of extending out of the present invention or change and are still among protection scope of the present invention.
Claims (1)
1., for a Rear frame component for modular folding trailer, comprising rear luggage carrier, two rear wheel assemblies, being arranged on the back shield of rear luggage carrier rear end and two attaching partss for being connected back shield and rear luggage carrier; It is characterized in that: the left and right sides end of rear luggage carrier rear end is respectively provided with a rearwardly projecting rear traveller, each rear traveller is provided with the rear limiting block platform of annular, and the rear end of each rear limiting block platform is provided with multiple rear spacing teeth groove; The rear end of each rear traveller is provided with rear pin-and-hole; The front end of each attaching parts is provided with the first pivoted hole, rear gathering bearing surface, rear expansion bearing surface and draws the rear arc transition face of bearing surface and rear expansion bearing surface after connecting in, and rear gathering bearing surface is perpendicular to rear expansion bearing surface; After each attaching parts and corresponding one, traveller is by being rotationally connected through the bearing pin of the first pivoted hole and rear pin-and-hole, and the central axis of the first pivoted hole and the distance of rear expansion bearing surface are greater than the distance of this central axis and rear gathering bearing surface; Each rear expansion bearing surface is parallel to back shield place plane, and each rear gathering bearing surface is perpendicular to back shield place plane; The rear end of each attaching parts being provided with the second pivoted hole for being rotationally connected with back shield, drawing bearing area in, launching bearing area and locking screw holes, second pivoted hole is between locking screw holes and the first pivoted hole, draw bearing area in and be positioned at the side of the second pivoted hole away from the first pivoted hole, launch bearing area and be positioned at the side of the second pivoted hole close to the first pivoted hole; Each rear wheel assemblies comprises the rear wheel frame with rear sleeve, rear torsion spring and rotation and is arranged on rear wheel on rear wheel frame; The front end of each rear sleeve is provided with the rear spacing double wedge matched with each rear spacing teeth groove; After rear sleeve is set in corresponding one on traveller, rear torsion spring set is located on corresponding rear traveller, and is positioned within rear sleeve; Back shield connects boss after being provided with two, and each rear connection boss is provided with rear axis hole, along the load flange of rear luggage carrier horizontal direction evagination and the spacing lockhole that matches with locking screw holes on attaching parts; Each rear connection boss and a corresponding attaching parts are by being rotationally connected through the bearing pin of rear axis hole and the second pivoted hole; A stop screw is arranged in the locking screw holes of attaching parts, and in the process of reciprocal turn, stretches into or shift out corresponding spacing lockhole; Load flange, in the process of rotating around the second pivoted hole along with rear connection boss, can be connected to the gathering bearing area of attaching parts and launch in bearing area, and then band follower link rotates.
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310379144.8A CN103407470B (en) | 2013-08-27 | 2013-08-27 | For the Rear frame component of modular folding trailer |
| CN201510862718.6A CN106004939A (en) | 2013-08-27 | 2013-08-27 | Rear frame component provided with linkage mechanism and applied to combined folding trailer |
| CN201510861033.XA CN106428147A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly for combined type folding trailer |
| CN201510862717.1A CN106004938A (en) | 2013-08-27 | 2013-08-27 | Rear frame component applied to combined folding trailer |
| CN201510864104.1A CN106428148A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly for combined type folding trailer |
| CN201510860572.1A CN105539538A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly for combined foldable trailer |
| CN201510866886.2A CN105480279A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly for combined type foldable trailer |
| CN201510864146.5A CN106428149A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly with coupling mechanism for combined type folding trailer |
| CN201510859472.7A CN105620528A (en) | 2013-08-27 | 2013-08-27 | Rear frame component provided with connecting mechanism and used for combined folding trailer |
| CN201510867180.8A CN105480280A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly with coupling mechanism for combined type foldable trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310379144.8A CN103407470B (en) | 2013-08-27 | 2013-08-27 | For the Rear frame component of modular folding trailer |
Related Child Applications (9)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510859472.7A Division CN105620528A (en) | 2013-08-27 | 2013-08-27 | Rear frame component provided with connecting mechanism and used for combined folding trailer |
| CN201510864104.1A Division CN106428148A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly for combined type folding trailer |
| CN201510864146.5A Division CN106428149A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly with coupling mechanism for combined type folding trailer |
| CN201510860572.1A Division CN105539538A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly for combined foldable trailer |
| CN201510867180.8A Division CN105480280A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly with coupling mechanism for combined type foldable trailer |
| CN201510862717.1A Division CN106004938A (en) | 2013-08-27 | 2013-08-27 | Rear frame component applied to combined folding trailer |
| CN201510862718.6A Division CN106004939A (en) | 2013-08-27 | 2013-08-27 | Rear frame component provided with linkage mechanism and applied to combined folding trailer |
| CN201510861033.XA Division CN106428147A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly for combined type folding trailer |
| CN201510866886.2A Division CN105480279A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly for combined type foldable trailer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103407470A CN103407470A (en) | 2013-11-27 |
| CN103407470B true CN103407470B (en) | 2016-03-30 |
Family
ID=49600534
Family Applications (10)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510864146.5A Withdrawn CN106428149A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly with coupling mechanism for combined type folding trailer |
| CN201510867180.8A Withdrawn CN105480280A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly with coupling mechanism for combined type foldable trailer |
| CN201510861033.XA Withdrawn CN106428147A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly for combined type folding trailer |
| CN201310379144.8A Expired - Fee Related CN103407470B (en) | 2013-08-27 | 2013-08-27 | For the Rear frame component of modular folding trailer |
| CN201510859472.7A Withdrawn CN105620528A (en) | 2013-08-27 | 2013-08-27 | Rear frame component provided with connecting mechanism and used for combined folding trailer |
| CN201510864104.1A Withdrawn CN106428148A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly for combined type folding trailer |
| CN201510862717.1A Withdrawn CN106004938A (en) | 2013-08-27 | 2013-08-27 | Rear frame component applied to combined folding trailer |
| CN201510866886.2A Pending CN105480279A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly for combined type foldable trailer |
| CN201510862718.6A Withdrawn CN106004939A (en) | 2013-08-27 | 2013-08-27 | Rear frame component provided with linkage mechanism and applied to combined folding trailer |
| CN201510860572.1A Pending CN105539538A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly for combined foldable trailer |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510864146.5A Withdrawn CN106428149A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly with coupling mechanism for combined type folding trailer |
| CN201510867180.8A Withdrawn CN105480280A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly with coupling mechanism for combined type foldable trailer |
| CN201510861033.XA Withdrawn CN106428147A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly for combined type folding trailer |
Family Applications After (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510859472.7A Withdrawn CN105620528A (en) | 2013-08-27 | 2013-08-27 | Rear frame component provided with connecting mechanism and used for combined folding trailer |
| CN201510864104.1A Withdrawn CN106428148A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly for combined type folding trailer |
| CN201510862717.1A Withdrawn CN106004938A (en) | 2013-08-27 | 2013-08-27 | Rear frame component applied to combined folding trailer |
| CN201510866886.2A Pending CN105480279A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly for combined type foldable trailer |
| CN201510862718.6A Withdrawn CN106004939A (en) | 2013-08-27 | 2013-08-27 | Rear frame component provided with linkage mechanism and applied to combined folding trailer |
| CN201510860572.1A Pending CN105539538A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly for combined foldable trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (10) | CN106428149A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108839678B (en) * | 2018-06-05 | 2021-07-20 | 安徽朗辰建筑工程有限公司 | Cement unloading dolly for construction |
| CN109795837A (en) * | 2018-12-10 | 2019-05-24 | 山东亚奥特乳业有限公司 | A kind of transmission equipment in dairy produce Refrigerated Transport |
| CN117366434B (en) * | 2023-12-08 | 2024-02-02 | 同圆设计集团股份有限公司 | Geographic information acquisition device for homeland space planning |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201046713Y (en) * | 2007-04-26 | 2008-04-16 | 煜益实业股份有限公司 | Handle collapsible push-car structure |
| CN201362272Y (en) * | 2009-03-13 | 2009-12-16 | 简世坤 | Dual-purpose folding vehicle |
| CN202186404U (en) * | 2011-06-16 | 2012-04-11 | 黄怀高 | Foldable luggage cart |
| CN102649440A (en) * | 2011-02-28 | 2012-08-29 | 宜炫企业有限公司 | Handcart structure |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB810882A (en) * | 1956-10-16 | 1959-03-25 | Richard Charles Leslie Rayment | Improvements in or relating to trolleys |
| US4505495A (en) * | 1982-12-14 | 1985-03-19 | Janet Mary Penrose Foss | Portable, foldable and convertible luggage trolley |
| JPH0651471B2 (en) * | 1989-04-12 | 1994-07-06 | 高男 齊藤 | Folding trolley |
| JP3000260B2 (en) * | 1996-04-23 | 2000-01-17 | 渡辺パイプ株式会社 | Transport vehicle |
| EP1222101A1 (en) * | 2000-08-18 | 2002-07-17 | Magline, Inc | Rapidly demountable multiple platform utility cart assembly and methods of making and operating it |
| DE10210448B4 (en) * | 2002-03-09 | 2016-06-30 | Hando Industry Co., Ltd. | handcart |
| US7140635B2 (en) * | 2004-05-18 | 2006-11-28 | Franzus Company Llc | Portable luggage carts/carriers |
| CN2815807Y (en) * | 2005-12-16 | 2006-09-13 | 武汉箕星制冷有限公司 | Light transfer vehicle |
| US7963531B2 (en) * | 2008-08-22 | 2011-06-21 | Foldable Stuff, Llc | Collapsible utility cart |
| KR20100062062A (en) * | 2008-12-01 | 2010-06-10 | 김희조 | Cart for goods carrying |
| CN201659997U (en) * | 2010-03-19 | 2010-12-01 | 蓝金义 | Folding pusher |
| KR20120000001A (en) * | 2010-06-26 | 2012-01-03 | 김종숙 | A portable folding cart |
| US8602444B2 (en) * | 2011-12-09 | 2013-12-10 | Seville Classics Inc. | Foldable hand cart |
-
2013
- 2013-08-27 CN CN201510864146.5A patent/CN106428149A/en not_active Withdrawn
- 2013-08-27 CN CN201510867180.8A patent/CN105480280A/en not_active Withdrawn
- 2013-08-27 CN CN201510861033.XA patent/CN106428147A/en not_active Withdrawn
- 2013-08-27 CN CN201310379144.8A patent/CN103407470B/en not_active Expired - Fee Related
- 2013-08-27 CN CN201510859472.7A patent/CN105620528A/en not_active Withdrawn
- 2013-08-27 CN CN201510864104.1A patent/CN106428148A/en not_active Withdrawn
- 2013-08-27 CN CN201510862717.1A patent/CN106004938A/en not_active Withdrawn
- 2013-08-27 CN CN201510866886.2A patent/CN105480279A/en active Pending
- 2013-08-27 CN CN201510862718.6A patent/CN106004939A/en not_active Withdrawn
- 2013-08-27 CN CN201510860572.1A patent/CN105539538A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201046713Y (en) * | 2007-04-26 | 2008-04-16 | 煜益实业股份有限公司 | Handle collapsible push-car structure |
| CN201362272Y (en) * | 2009-03-13 | 2009-12-16 | 简世坤 | Dual-purpose folding vehicle |
| CN102649440A (en) * | 2011-02-28 | 2012-08-29 | 宜炫企业有限公司 | Handcart structure |
| CN202186404U (en) * | 2011-06-16 | 2012-04-11 | 黄怀高 | Foldable luggage cart |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105539538A (en) | 2016-05-04 |
| CN105480279A (en) | 2016-04-13 |
| CN106004938A (en) | 2016-10-12 |
| CN106004939A (en) | 2016-10-12 |
| CN106428149A (en) | 2017-02-22 |
| CN106428147A (en) | 2017-02-22 |
| CN105480280A (en) | 2016-04-13 |
| CN106428148A (en) | 2017-02-22 |
| CN105620528A (en) | 2016-06-01 |
| CN103407470A (en) | 2013-11-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103407471A (en) | Combined folded trailer | |
| CN103407473B (en) | Four-wheel foldable trailer | |
| CN103407472B (en) | Four-wheel foldable trailer | |
| CN103407470B (en) | For the Rear frame component of modular folding trailer | |
| CN103407469B (en) | For the backboard of folding trailer | |
| CN103407325B (en) | A kind of Four-wheel foldable trailer | |
| CN103407477B (en) | For the back shield assembly of modular folding trailer | |
| CN103407468B (en) | For the Rear frame component of folding trailer | |
| CN103407478A (en) | Connector for folded trailer | |
| CN103407475A (en) | Front baffle plate for folded trailer | |
| CN105711628A (en) | Foldable four-wheel folding trailer | |
| CN105774868A (en) | Four-wheel folding trailer | |
| CN105752132A (en) | Four-wheeled folding trailer convenient to store | |
| CN105752133A (en) | Four-wheeled folding trailer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Fan Weijia Inventor before: Hu Yan |
|
| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20151106 Address after: 723003 Shaanxi University of Technology, Hantai District, Shaanxi, Hanzhoung Applicant after: Fan Weijia Address before: Songjiang Road, Suzhou City Industrial Park, Jiangsu province 215000 No. 208 Building 2 room 103 Applicant before: Suzhou Bilong Decoration Engineering Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160518 Address after: 723003 Shaanxi University of Technology, Hantai District, Shaanxi, Hanzhoung Patentee after: Shaanxi Science and Engineering College Address before: 723003 Shaanxi University of Technology, Hantai District, Shaanxi, Hanzhoung Patentee before: Fan Weijia |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160330 Termination date: 20160827 |