CN105620528A - Rear frame component provided with connecting mechanism and used for combined folding trailer - Google Patents
Rear frame component provided with connecting mechanism and used for combined folding trailer Download PDFInfo
- Publication number
- CN105620528A CN105620528A CN201510859472.7A CN201510859472A CN105620528A CN 105620528 A CN105620528 A CN 105620528A CN 201510859472 A CN201510859472 A CN 201510859472A CN 105620528 A CN105620528 A CN 105620528A
- Authority
- CN
- China
- Prior art keywords
- hole
- bearing surface
- luggage carrier
- load
- backboard
- 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.)
- Withdrawn
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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
The invention discloses a rear frame component provided with a connecting mechanism and used for a combined folding trailer. The rear frame component comprises a rear luggage carrier, rear wheel components, a rear baffle plate and connecting pieces; the rear luggage carrier is provided with a rear slide column, a rear limiting stop table and a rear limiting tooth groove; each connecting piece is provided with a first pivot hole, a rear gathering butting surface, a rear spreading butting surface, a rear arc transition surface, a second pivot hole, a gathering bearing surface, a spreading bearing surface and a locking screw hole; each rear wheel component includes a rear wheel frame with a rear sleeve, a rear torsion spring and a rear wheel; the rear baffle plate is provided with rear connecting bosses; each rear connecting boss is provided with a rear shaft hole, a bearing convex plate and a limiting locking hole; and limiting screws are arranged in locking screw holes of the connecting pieces, and extend in or move out of the corresponding limiting locking holes in the reciprocating screwing process. The rear frame component can be matched with a front frame component for use to form a four-wheel folding trailer, or can be singly used as a two-wheel folding luggage trailer, and has the advantages of multiple purposes and multiple functions.
Description
The application is the applying date is " on 08 27th, 2013 ", application number is the divisional application that " 2013103791448 ", name are called the application for a patent for invention of " Rear frame component for folding trailer ".
Technical field
The present invention relates to trailer technical field, particularly relate to a kind of Rear frame component for modular folding trailer being provided with coupling mechanism.
Background technology
People are commonly used to four-wheel trailer when article are carried in shopping, can save strength for user, but four-wheel trailer volume is general bigger at present, it is impossible to folding gathering, inconvenient to carry, take up room also very big when depositing.
Patent documentation CN202186404U discloses a kind of foldable luggage trolley, this car includes telescopic vehicle frame, its underpart is provided with the cylindrical push-pull bar being hinged with luggage truck weight tray, described cylindrical push-pull bar top is provided with first annular groove, and first annular groove lower surface is provided with the first spiral-guide face; Fitting with vehicle frame after weight tray is folding, it is vertically arranged with vehicle frame after launching, and is used for carrying luggage; Weight tray is connected side and is provided with and fixes the vertical road wheel Stroke Control part being connected with described weight tray with vehicle frame; Wheel stand has and the second cannelure of described cylindrical push-pull bar adaptation socket, and the second cannelure upper surface is provided with the second spiral-guide face suitable with described first spiral-guide face, a fixing rotary torsion spring of taking a seat in the second cannelure; Push-pull bar is vertically arranged in the second cannelure, and the shaft hole sleeve of push-pull bar bottom is connected in the axle of vertical road wheel Stroke Control part; When weight tray launches, described vertical road wheel forms control piece and the second cannelure is formed pushing tow, guide under the combined effect 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 edge at the bottom of the weight tray protruded from after folding.
Detailed mechanism and the operation principle of collapsible wheel described in detail by this patent documentation, 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, it is impossible to is widely used in factory floor and uses.
Summary of the invention
It is an object of the invention to provide one both can with front frame assembly with the use of, combination formed Four-wheel foldable trailer, it is also possible to be used alone, as the Rear frame component for modular folding trailer being provided with coupling mechanism 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 being provided with coupling mechanism, including rear luggage carrier, two rear wheel assemblies, is arranged on the backboard of rear luggage carrier rear end and for connecting two connectors of backboard 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 limiting block platform after annular, the rear end of each rear limiting block platform be provided with multiple after spacing teeth groove; The rear end of each rear traveller is provided with rear pin-and-hole; The front end of each connector be provided with the first pivoted hole, afterwards draw in bearing surface, rear launch bearing surface and connect after draw bearing surface and the rear rear arc transition face launching bearing surface in, rear gathering in after bearing surface is perpendicular to launches bearing surface; Each connector with corresponding one after traveller by being rotationally connected through the bearing pin of the first pivoted hole and rear pin-and-hole, the distance of the central axis of the first pivoted hole and rear expansion bearing surface is more than the distance of this central axis Yu rear gathering bearing surface; Launch bearing surface after each and be parallel to backboard place plane, draw bearing surface after each in and be perpendicular to backboard place plane; The rear end of each connector is provided with the second pivoted hole for being rotationally connected with backboard, draws load-carrying surface in, launches load-carrying surface and locking screw holes, second pivoted hole is between locking screw holes and the first pivoted hole, draw load-carrying surface in and be positioned at second pivoted hole side away from the first pivoted hole, launch load-carrying surface and be positioned at second pivoted hole side close to the first pivoted hole; Each rear wheel assemblies includes having the rear wheel that the rear wheel frame of rear sleeve, rear torsion spring and rotation are arranged 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; Rear sleeve be set in corresponding one after on traveller, rear torsion spring set be located at corresponding after on traveller, and be positioned within rear sleeve; Backboard connects boss after being provided with two, connect after each boss be 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 connector; Boss and a corresponding connector is connected by being rotationally connected through the bearing pin of rear axis hole and the second pivoted hole after each; One stop screw is arranged in the locking screw holes of connector, and in the process of reciprocal turn, stretches into or remove corresponding spacing lockhole; Load flange, along with rear connection boss is in the process that the second pivoted hole rotates, can be connected to the gathering load-carrying surface of connector and launch in load-carrying surface, and then band follower link rotates; The front end of Rear frame component is provided with coupling mechanism; Coupling mechanism include being arranged on two with lock hole of the left and right sides end of rear luggage carrier front end after coupling bar, be fixedly installed on each rear coupling bar the rear pin joint connecting portion 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 and is arranged on the center of pin joint connecting portion after corresponding; Backboard can rotate around rear axis hole in external force, until load flange is connected in the expansion load-carrying surface of connector, now backboard upper surface is in same plane with the upper surface of rear luggage carrier.
The present invention in use, both can with front frame assembly with the use of, combination formed Four-wheel foldable trailer, it is also possible to be used alone, as the collapsible luggage trolley of two-wheeled, the advantage with multi-purpose.
Accompanying drawing explanation
Fig. 1 is the present invention a kind of perspective view when being in deployed condition;
Fig. 2 is a kind of perspective view of front frame assembly in trailer shown in Fig. 1;
Fig. 3 is a kind of explosive view of front frame assembly shown in Fig. 2;
Fig. 4 be front frame assembly shown in Fig. 2 from another angle observe time a kind of explosive view;
Fig. 5 is a kind of perspective view of Rear frame component in trailer shown in Fig. 1;
Fig. 6 is a kind of explosive view of Rear frame component shown in Fig. 5;
Fig. 7 be Rear frame component shown in Fig. 5 from another angle observe time a kind of perspective view;
A kind of side view when Fig. 8 is that in Rear frame component shown in Fig. 5, backboard and connector coordinate;
Fig. 9 is a kind of explosive view of backboard described in Fig. 8 and connector;
Figure 10 is the present invention a kind of perspective view when being in flat;
Figure 11 be trailer shown in Figure 10 from another angle observe time a kind of perspective view;
Figure 12 is a kind of side view of trailer shown in Figure 10;
Figure 13 is the present invention a kind of perspective view when being in preliminary folded state;
Figure 14 is a kind of side view 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 the present invention a kind of perspective view when being in completely folded state;
Figure 18 is a kind of side view of trailer shown in Figure 17.
It is labeled as shown in accompanying drawing: front 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, backboard 23, rear connection boss 231, rear axis hole 232, load flange 233, spacing lockhole 234, connector 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 load-carrying surface 246 in, launch load-carrying surface 247, locking screw holes 248, stop screw 25, coupling mechanism 3, front coupling bar 31, screw 311, front pin joint connecting portion 32, rear coupling bar 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, see shown in Fig. 1 to Fig. 5, including 21, two rear wheel assemblies 22 of rear luggage carrier, be arranged on the backboard 23 of rear luggage carrier rear end and for connecting two connectors 24 of backboard 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 limiting block platform 212 after annular, the rear end of each rear limiting block platform be provided with multiple after spacing teeth groove 213; The rear end of each rear traveller is provided with rear pin-and-hole 214; The front end of each connector is drawn bearing surface in and is launched the rear arc transition face 244 of bearing surface afterwards after being provided with the first pivoted hole 241, rear gathering bearing surface 242, rear expansion bearing surface 243 and connecting, and draws in afterwards after bearing surface is perpendicular to and launches bearing surface; Each connector with corresponding one after traveller by being rotationally connected through the bearing pin 100 of the first pivoted hole and rear pin-and-hole 214, as shown in Figure 4, the distance a of the central axis of the first pivoted hole and rear expansion bearing surface is more than the distance b of this central axis Yu rear gathering bearing surface; Launch bearing surface after each and be parallel to backboard place plane, draw bearing surface after each in and be perpendicular to backboard place plane; The rear end of each connector is provided with the second pivoted hole 245 for being rotationally connected with backboard, draws load-carrying surface 246 in, launches load-carrying surface 247 and locking screw holes 248, second pivoted hole 245 is between locking screw holes 248 and the first pivoted hole 241, draw load-carrying surface in and be positioned at second pivoted hole side away from the first pivoted hole, launch load-carrying surface and be positioned at second pivoted hole side close to the first pivoted hole; Each rear wheel assemblies includes having the rear wheel 224 that the rear wheel frame 222 of rear sleeve 221, rear torsion spring 223 and rotation are 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; Rear sleeve be set in corresponding one after on traveller, rear torsion spring set be located at corresponding after on traveller, and be positioned within rear sleeve; Backboard connects boss 231 after being provided with two, connect after each boss be 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 connector; Connect boss and a corresponding connector after each to be rotationally connected by the bearing pin 100 through rear axis hole and the second pivoted hole; One stop screw 25 is arranged in the locking screw holes of connector, and in the process of reciprocal turn, stretches into or remove corresponding spacing lockhole 234; Load flange, along with rear connection boss is in the process that the second pivoted hole rotates, can be connected to the gathering load-carrying surface of connector and launch in load-carrying surface, and then band follower link rotates.
The front end of Rear frame component is provided with coupling mechanism 3; Coupling mechanism include being arranged on two with lock hole 331 of the left and right sides end of rear luggage carrier front end after coupling bar 33,34, two lock-screws 35 of rear pin joint connecting portion being fixedly installed on each rear coupling bar 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 and is arranged on the center of pin joint connecting portion 34 after corresponding.
Backboard can rotate around rear axis hole in external force, until load flange is connected in the expansion load-carrying surface of connector, now backboard upper surface is in same plane with the upper surface of rear luggage carrier.
The present embodiment can use separately as two-wheeled folding trailer, and specifically using the roofbolt closing on front luggage carrier in Rear frame component as towing holding rod, backboard is as support board.
(application examples 1)
Should use-case be adopt a kind of modular folding trailer of making of above-described embodiment 1, see shown in Fig. 6 to Figure 18, including front frame assembly 1, Rear frame component 2 and for coupling the coupling mechanism 3 of front frame assembly and Rear frame component.
Should see that Fig. 6 to Fig. 9, described front frame assembly include 11, two front wheel assemblies 12 of front luggage carrier, the front apron 13 being arranged on front luggage carrier front end and the pull bar 14 being arranged on front apron by use-case concrete structure when being in deployed condition; The left and right sides end of front luggage carrier front end is respectively provided with a front sliding column 111 prominent 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 includes having the front vehicle wheel 124 that the front wheel carrier 122 of anterior cannula 121, front torsion spring 123 and rotation are 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, connect the front arc transition face 135 drawing bearing surface and front expansion bearing surface before boss is provided with front-axle hole 132, front gathering bearing surface 133, front expansion bearing surface 134 and connects in before each; The distance of the central axis of front-axle hole and front expansion bearing surface is more than the distance of this central axis Yu front gathering bearing surface; Connect boss before each to be rotationally connected with front sliding column by the bearing pin 100 through front-axle hole and a corresponding front pin-and-hole; Launching 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 includes 21, two rear wheel assemblies 22 of rear luggage carrier, is arranged on the backboard 23 of rear luggage carrier rear end and for connecting two connectors 24 of backboard 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 limiting block platform 212 after annular, the rear end of each rear limiting block platform be provided with multiple after spacing teeth groove 213; The rear end of each rear traveller is provided with rear pin-and-hole 214; The front end of each connector is drawn bearing surface in and is launched the rear arc transition face 244 of bearing surface afterwards after being provided with the first pivoted hole 241, rear gathering bearing surface 242, rear expansion bearing surface 243 and connecting, and draws in afterwards after bearing surface is perpendicular to and launches bearing surface; Each connector with corresponding one after traveller by being rotationally connected through the bearing pin 100 of the first pivoted hole and rear pin-and-hole 214, the distance a of the central axis of the first pivoted hole and rear expansion bearing surface is more than the distance b of this central axis Yu rear gathering bearing surface; Launch bearing surface after each and be parallel to backboard place plane, draw bearing surface after each in and be perpendicular to backboard place plane; The rear end of each connector is provided with the second pivoted hole 245 for being rotationally connected with backboard, draws load-carrying surface 246 in, launches load-carrying surface 247 and locking screw holes 248, second pivoted hole 245 is between locking screw holes 248 and the first pivoted hole 241, draw load-carrying surface in and be positioned at second pivoted hole side away from the first pivoted hole, launch load-carrying surface and be positioned at second pivoted hole side close to the first pivoted hole; Each rear wheel assemblies includes having the rear wheel 224 that the rear wheel frame 222 of rear sleeve 221, rear torsion spring 223 and rotation are 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; Rear sleeve be set in corresponding one after on traveller, rear torsion spring set be located at corresponding after on traveller, and be positioned within rear sleeve; Backboard connects boss 231 after being provided with two, connect after each boss be 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 connector; Connect boss and a corresponding connector after each to be rotationally connected by the bearing pin 100 through rear axis hole and the second pivoted hole; One stop screw 25 is arranged in the locking screw holes of connector, and in the process of reciprocal turn, stretches into or remove corresponding spacing lockhole 234; Load flange, along with rear connection boss is in the process that the second pivoted hole rotates, can be connected to the gathering load-carrying surface of connector and launch in load-carrying surface, and then band follower link rotates.
Should in use-case coupling mechanism 3 include being arranged on the left and right sides end of front luggage carrier rear end there is two front coupling bars 31 of screw 311, the front pin joint connecting portion 32 being fixedly installed on each front coupling bar diapire, be arranged on two with lock hole 331 of left and right sides end of rear luggage carrier front end after coupling bar 33,34, two lock-screws 35 of rear pin joint connecting portion being fixedly installed on each rear coupling bar 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, one lock hole 331 is just arranged by each screw 311 in transverse direction, each lock-screw 35 is arranged in a corresponding screw 311, and in the process of reciprocal turn, stretch into or remove corresponding lock hole 331; Described front frame assembly and Rear frame component can overlap 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, it is possible to pull bar is 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 coupled by coupling mechanism, and after being screwed in screw 311 by lock-screw 35 and extend into lock hole 331 front luggage carrier and rear luggage carrier are locked. Now in front 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 it is 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 having restriction rotating effect to anterior cannula so that front vehicle wheel now is perpendicular to front luggage carrier place plane, it is possible to rolls to realize normally towing. In Rear frame component, backboard is perpendicular to rear luggage carrier place plane, and the rear load flange 233 connecting boss is connected in the gathering load-carrying surface 246 of connector, and this gathering load-carrying surface is in this condition, it is possible to prevent backboard from continuing to rotate forward; Additionally, now turn stop screw 25, it extend into after passing through the locking screw holes 248 of connector in the corresponding rear spacing lockhole 234 connected on boss 231, thus backboard 23 is got up with connector locking, effectively prevent backboard from rotating backward under the extruding of goods; Rear expansion bearing surface 243 in each connector is parallel to backboard place plane, and it is connected on the rear end face of corresponding rear sleeve, the each rear spacing double wedge making rear sleeve front end is embedded in rear spacing teeth groove, rear spacing teeth groove thus having restriction rotating effect to rear sleeve, rear wheel now is made to be perpendicular to rear luggage carrier place plane, it is possible to roll to realize normally towing.
The concrete structure of flat should be in see shown in Figure 10 to Figure 12 by use-case, under deployed condition shown in Fig. 6, turn stop screw 25, it is made to remove from the spacing lockhole 234 of rear connection boss 231, external force promotes backboard to rotate backward around rear axis hole 232, until load flange 233 is connected in the expansion load-carrying surface 247 of connector, now backboard upper surface is in same plane with the upper surface of rear luggage carrier, under the position-limiting action of the expansion load-carrying surface 247 of connector, can prevent backboard from continuing to rotate backward; This structure can also serve as support board backboard and use, and is effectively increased the loaded area of trailer.
The concrete structure of preliminary folded state should be in see shown in Figure 13 to Figure 16 by use-case, under deployed condition shown in Fig. 6, directly promote forward backboard under external force, owing to the load flange 233 on backboard is connected in the gathering load-carrying surface 246 of connector, thus band follower link rotates forward around the first pivoted hole 241, until the rear bearing surface 242 that draws in is perpendicular to rear luggage carrier place plane and is connected on the rear end face of rear sleeve, owing to the central axis of the first pivoted hole and the distance of rear expansion bearing surface are more than the distance of this central axis Yu rear gathering bearing surface, make rear sleeve in the rotation process of connector, can under the elastic force effect of rear torsion spring 223, sliding certain distance backward, spacing double wedge removal from corresponding rear spacing teeth groove after making, no longer rear sleeve is had restriction rotating effect due to rear spacing teeth groove, so rear sleeve can under the twisting force of rear torsion spring, rear wheel frame 222 and rear wheel 224 is driven to overlap with rear luggage carrier after turning an angle. additionally, 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, owing to the central axis of front-axle hole and the distance of front expansion bearing surface are more than the distance of this central axis Yu front gathering bearing surface, so rotating backward in process at backboard, anterior cannula can sliding certain distance forward, front limit double wedge is removed from corresponding front limit teeth groove, owing to anterior cannula is not had restriction rotating effect by front limit teeth groove, so anterior cannula can under the twisting force of front torsion spring, front wheel carrier and front vehicle wheel is driven to overlap with front luggage carrier after turning an angle.
The concrete structure of completely folded state should be in see shown in Figure 17 to Figure 18 by use-case, under folded state preliminary shown in Figure 13, turn lock-screw 35 makes its end removal lock hole 331, now front luggage carrier and rear luggage carrier can rotate around connecting link pin 36, and rotate make after 180 degree before the basal surface of the adjacent luggage carrier afterwards of basal surface of luggage carrier; Now, again its end can be made to extend in lock hole 331 by turn lock-screw 35, thus again front luggage carrier and rear luggage carrier being locked so that both will not separate themselves.
Additionally, should also have a characteristic by use-case, it is exactly (because in concrete practice after pulling down connecting link pin 36, can with bolt assembly replace should riveted joint pin in use-case as connecting link pin, its dismounting is all relatively simple), front frame assembly and Rear frame component all can independently become two-wheeled folding trailer; For front frame assembly, pull bar continues as towing holding rod, and front luggage carrier continues as luggage carrier; But for Rear frame component, be the roofbolt closing on front luggage carrier in Rear frame component as towing holding rod, backboard is as support board.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, 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 without also cannot all of embodiment be given exhaustive. And the apparent change that these spirit belonging to the present invention are extended out or variation are still among protection scope of the present invention.
Claims (1)
1. it is provided with the Rear frame component for modular folding trailer of coupling mechanism, including rear luggage carrier, two rear wheel assemblies, is arranged on the backboard of rear luggage carrier rear end and for connecting two connectors of backboard 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 limiting block platform after annular, the rear end of each rear limiting block platform be provided with multiple after spacing teeth groove; The rear end of each rear traveller is provided with rear pin-and-hole; The front end of each connector be provided with the first pivoted hole, afterwards draw in bearing surface, rear launch bearing surface and connect after draw bearing surface and the rear rear arc transition face launching bearing surface in, rear gathering in after bearing surface is perpendicular to launches bearing surface; Each connector with corresponding one after traveller by being rotationally connected through the bearing pin of the first pivoted hole and rear pin-and-hole, the distance of the central axis of the first pivoted hole and rear expansion bearing surface is more than the distance of this central axis Yu rear gathering bearing surface; Launch bearing surface after each and be parallel to backboard place plane, draw bearing surface after each in and be perpendicular to backboard place plane; The rear end of each connector is provided with the second pivoted hole for being rotationally connected with backboard, draws load-carrying surface in, launches load-carrying surface and locking screw holes, second pivoted hole is between locking screw holes and the first pivoted hole, draw load-carrying surface in and be positioned at second pivoted hole side away from the first pivoted hole, launch load-carrying surface and be positioned at second pivoted hole side close to the first pivoted hole; Each rear wheel assemblies includes having the rear wheel that the rear wheel frame of rear sleeve, rear torsion spring and rotation are arranged 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; Rear sleeve be set in corresponding one after on traveller, rear torsion spring set be located at corresponding after on traveller, and be positioned within rear sleeve; Backboard connects boss after being provided with two, connect after each boss be 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 connector; Boss and a corresponding connector is connected by being rotationally connected through the bearing pin of rear axis hole and the second pivoted hole after each; One stop screw is arranged in the locking screw holes of connector, and in the process of reciprocal turn, stretches into or remove corresponding spacing lockhole; Load flange, along with rear connection boss is in the process that the second pivoted hole rotates, can be connected to the gathering load-carrying surface of connector and launch in load-carrying surface, and then band follower link rotates; The front end of Rear frame component is provided with coupling mechanism; Coupling mechanism include being arranged on two with lock hole of the left and right sides end of rear luggage carrier front end after coupling bar, be fixedly installed on each rear coupling bar the rear pin joint connecting portion 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 and is arranged on the center of pin joint connecting portion after corresponding; Backboard can rotate around rear axis hole in external force, until load flange is connected in the expansion load-carrying surface of connector, now backboard upper surface is in same plane with the upper surface of rear luggage carrier.
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 Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310379144.8A Division CN103407470B (en) | 2013-08-27 | 2013-08-27 | For the Rear frame component of modular folding trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105620528A true CN105620528A (en) | 2016-06-01 |
Family
ID=49600534
Family Applications (10)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510862718.6A Withdrawn CN106004939A (en) | 2013-08-27 | 2013-08-27 | Rear frame component provided with linkage mechanism and applied to combined folding trailer |
| CN201510864104.1A Withdrawn CN106428148A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly for combined type 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 |
| CN201510862717.1A Withdrawn CN106004938A (en) | 2013-08-27 | 2013-08-27 | Rear frame component applied to combined folding trailer |
| CN201510860572.1A Pending CN105539538A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly for combined foldable trailer |
| CN201510867180.8A Withdrawn CN105480280A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly with coupling mechanism for combined type foldable trailer |
| CN201510864146.5A Withdrawn CN106428149A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly with coupling mechanism for combined type folding trailer |
| CN201510866886.2A Pending CN105480279A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly for combined type foldable trailer |
| CN201310379144.8A Expired - Fee Related CN103407470B (en) | 2013-08-27 | 2013-08-27 | For the Rear frame component of modular folding trailer |
| CN201510861033.XA Withdrawn CN106428147A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly for combined type folding trailer |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510862718.6A Withdrawn CN106004939A (en) | 2013-08-27 | 2013-08-27 | Rear frame component provided with linkage mechanism and applied to combined folding trailer |
| CN201510864104.1A Withdrawn CN106428148A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly for combined type folding trailer |
Family Applications After (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510862717.1A Withdrawn CN106004938A (en) | 2013-08-27 | 2013-08-27 | Rear frame component applied to combined folding trailer |
| CN201510860572.1A Pending CN105539538A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly for combined foldable trailer |
| CN201510867180.8A Withdrawn CN105480280A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly with coupling mechanism for combined type foldable trailer |
| CN201510864146.5A Withdrawn CN106428149A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly with coupling mechanism for combined type folding trailer |
| CN201510866886.2A Pending CN105480279A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly for combined type foldable trailer |
| CN201310379144.8A Expired - Fee Related CN103407470B (en) | 2013-08-27 | 2013-08-27 | For the Rear frame component of modular folding trailer |
| CN201510861033.XA Withdrawn CN106428147A (en) | 2013-08-27 | 2013-08-27 | Rear frame assembly for combined type folding trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (10) | CN106004939A (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 (5)
| 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 |
| JPH0651471B2 (en) * | 1989-04-12 | 1994-07-06 | 高男 齊藤 | Folding trolley |
| CN201659997U (en) * | 2010-03-19 | 2010-12-01 | 蓝金义 | Folding pusher |
| CN202186404U (en) * | 2011-06-16 | 2012-04-11 | 黄怀高 | Foldable luggage cart |
| CN202827647U (en) * | 2011-12-09 | 2013-03-27 | 张文东 | Handcart |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4505495A (en) * | 1982-12-14 | 1985-03-19 | Janet Mary Penrose Foss | Portable, foldable and convertible luggage trolley |
| JP3000260B2 (en) * | 1996-04-23 | 2000-01-17 | 渡辺パイプ株式会社 | Transport vehicle |
| WO2002016185A1 (en) * | 2000-08-18 | 2002-02-28 | 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 |
| CN201046713Y (en) * | 2007-04-26 | 2008-04-16 | 煜益实业股份有限公司 | Handle collapsible push-car structure |
| 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 |
| CN201362272Y (en) * | 2009-03-13 | 2009-12-16 | 简世坤 | Dual-purpose folding vehicle |
| KR20120000001A (en) * | 2010-06-26 | 2012-01-03 | 김종숙 | A portable folding cart |
| CN102649440A (en) * | 2011-02-28 | 2012-08-29 | 宜炫企业有限公司 | Handcart structure |
-
2013
- 2013-08-27 CN CN201510862718.6A patent/CN106004939A/en not_active Withdrawn
- 2013-08-27 CN CN201510864104.1A patent/CN106428148A/en not_active Withdrawn
- 2013-08-27 CN CN201510859472.7A patent/CN105620528A/en not_active Withdrawn
- 2013-08-27 CN CN201510862717.1A patent/CN106004938A/en not_active Withdrawn
- 2013-08-27 CN CN201510860572.1A patent/CN105539538A/en active Pending
- 2013-08-27 CN CN201510867180.8A patent/CN105480280A/en not_active Withdrawn
- 2013-08-27 CN CN201510864146.5A patent/CN106428149A/en not_active Withdrawn
- 2013-08-27 CN CN201510866886.2A patent/CN105480279A/en active Pending
- 2013-08-27 CN CN201310379144.8A patent/CN103407470B/en not_active Expired - Fee Related
- 2013-08-27 CN CN201510861033.XA patent/CN106428147A/en not_active Withdrawn
Patent Citations (5)
| 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 |
| JPH0651471B2 (en) * | 1989-04-12 | 1994-07-06 | 高男 齊藤 | Folding trolley |
| CN201659997U (en) * | 2010-03-19 | 2010-12-01 | 蓝金义 | Folding pusher |
| CN202186404U (en) * | 2011-06-16 | 2012-04-11 | 黄怀高 | Foldable luggage cart |
| CN202827647U (en) * | 2011-12-09 | 2013-03-27 | 张文东 | Handcart |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103407470B (en) | 2016-03-30 |
| CN106004939A (en) | 2016-10-12 |
| CN106004938A (en) | 2016-10-12 |
| CN105480279A (en) | 2016-04-13 |
| CN106428149A (en) | 2017-02-22 |
| CN105539538A (en) | 2016-05-04 |
| CN106428147A (en) | 2017-02-22 |
| CN106428148A (en) | 2017-02-22 |
| CN105480280A (en) | 2016-04-13 |
| CN103407470A (en) | 2013-11-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103407471B (en) | Modular folding trailer | |
| CN103407473B (en) | Four-wheel foldable trailer | |
| CN105620528A (en) | Rear frame component provided with connecting mechanism and used for combined folding trailer | |
| CN106394631A (en) | Four-wheeled foldable trailer with coupling mechanism | |
| CN105966432A (en) | Four-wheel folding trailer convenient to store | |
| CN106080694A (en) | A kind of folding trailer | |
| CN103407477B (en) | For the back shield assembly of modular folding trailer | |
| CN105774868A (en) | Four-wheel folding trailer | |
| CN105480277A (en) | Rear frame assembly for foldable trailer | |
| CN105711628A (en) | Foldable four-wheel folding trailer | |
| CN105752133A (en) | Four-wheeled folding trailer | |
| CN105752132A (en) | Four-wheeled folding trailer convenient to store |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160601 |
|
| WW01 | Invention patent application withdrawn after publication |