CN110121455A - Foldable pushcart - Google Patents

Foldable pushcart Download PDF

Info

Publication number
CN110121455A
CN110121455A CN201780072316.3A CN201780072316A CN110121455A CN 110121455 A CN110121455 A CN 110121455A CN 201780072316 A CN201780072316 A CN 201780072316A CN 110121455 A CN110121455 A CN 110121455A
Authority
CN
China
Prior art keywords
locking
rotary connector
chassis
foldable pushcart
arrangement
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.)
Pending
Application number
CN201780072316.3A
Other languages
Chinese (zh)
Inventor
A·汤普森
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Powakaddy International Ltd
Original Assignee
Powakaddy International Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Powakaddy International Ltd filed Critical Powakaddy International Ltd
Publication of CN110121455A publication Critical patent/CN110121455A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B62B3/02Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B62B3/12Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor characterised by three-wheeled construction
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2202/00Indexing codes relating to type or characteristics of transported articles
    • B62B2202/40Sport articles
    • B62B2202/404Golf articles, e.g. golfbags
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2205/00Hand-propelled vehicles or sledges being foldable or dismountable when not in use
    • B62B2205/20Catches; Locking or releasing an articulation
    • B62B2205/22Catches; Locking or releasing an articulation remotely controlled, e.g. from the handlebar
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2205/00Hand-propelled vehicles or sledges being foldable or dismountable when not in use
    • B62B2205/20Catches; Locking or releasing an articulation
    • B62B2205/24Catches; Locking or releasing an articulation to hold in the folded position

Abstract

A kind of foldable pushcart includes main frame, chassis (4) and at least two wheels (6a, 6b) for being rotatably connected to chassis, and wherein main frame includes upper frame portion (24), intermediate frame section (22) and lower connecting frame portion (20);The first end of lower connecting frame portion is connected to chassis;The first end of upper frame portion has handle;Upper frame portion is connected to the first end of intermediate frame section at its second end via the first rotary connector (32);Intermediate frame section is connected to the second end of lower connecting frame portion at its second end via the second rotary connector (34);First rotary connector includes the first locking arrangement, and second rotary connector include second locking arrangement, wherein each locking arrangement has release configuration and lock arrangement, wherein rotary connector rotates freely in release configuration, and wherein prevents rotary connector from rotating in lock arrangement;And trolley further includes hub lock releasing.

Description

Foldable pushcart
Technical field
The present invention relates to a kind of foldable pushcarts, and are specifically related to a kind of folding type golf cart.
Background technique
Known offer folding type golf cart has folded configuration for storing and transporting and wherein hand push Vehicle can support the non-collapsible or expansion configuration of golf bag.
It is expected that folded configuration is as small as possible.However, this usually requires multiple relieving mechanisms to allow the various portions of trolley Part rotation is folded and/or is discharged from adjacent component.This trolley another example is MotocaddyTMM series trolley.This Kind trolley needs five individual relieving mechanisms to allow trolley to be folded into the storage configuration of relative compact.
So a large amount of relieving mechanism may make user for its trolley is folded into its storage configuration or reversion Process is felt confused with using trolley.If one of relieving mechanism failure can also dramatically increase the possibility of product failure Property, and which increase produce and assemble cost.
Accordingly, it is desirable to provide a kind of foldable pushcart, there is the folding of the relative compact for storing and transporting to match It sets, is physically easier to perform, there is lower product failure risk and/or reduced production and assembling cost.
Summary of the invention
According to the first aspect of the invention, a kind of for supporting the foldable pushcart of article in use, the hand is provided Cart includes main frame, chassis and at least two wheels for being rotatably connected to chassis, and wherein main frame includes upper frame Partially, intermediate frame section and lower connecting frame portion;The first end of lower connecting frame portion is connected to chassis;Upper frame portion First end have handle;Upper frame portion is connected to middle boxes via the first rotary connector at its second end The first end of frame part;Intermediate frame section is connected to lower frame via the second rotary connector at its second end Partial the second end;First rotary connector includes the first locking arrangement and the second rotary connector includes the second locking Arrangement, wherein each locking arrangement has release configuration and lock arrangement, wherein rotary connector freely revolves in release configuration Turn, and wherein prevents rotary connector from rotating in lock arrangement;And trolley further includes hub lock releasing, which releases Laying mechanism is operably connected to the first and second lockings arrangement, and is manually operable with by the first and second rotary connectors The locking arrangement of the two is simultaneously arranged in their own release configuration.
Trolley according to the present invention needs to operate single hub lock releasing only to allow upper frame portion and centre Frame part rotates relative to each other, and intermediate frame section and lower connecting frame portion is allowed to rotate relative to each other.There is provided two A rotary connector folds the configuration for narrowing down to relative compact as a part permission trolley of main frame.
Each rotary connector suitably limits single rotation axis, and frame part is around the single rotation axis rotation. The rotation axis of first rotary connector can be parallel to the rotation axis of the second rotary connector.
In one embodiment of the invention, the first end of lower connecting frame portion is rotatably connected to chassis.With this Kind mode, chassis, lower connecting frame portion, intermediate frame section and upper frame portion can be folded in a manner of concertina. This provides the folded configuration of relative compact, wherein trolley component can surround two in the folded configuration of the relative compact Lockable rotary connector and third rotary connector and rotate relative to each other.
Hub lock releasing uitably includes first and is engaged by locking component, is operably connected to the first locking arrangement. Hub lock releasing may also include second and be engaged by locking component, be operably connected to the second locking arrangement.In such reality It applying in example, the first and second one be engaged by locking in component can directly engage its corresponding locking arrangement, and first and the Two be engaged by locking in component another its corresponding locking arrangement can be engaged via intermediary element.Therefore, machine for releasing is locked Structure can be located near first or second rotary connector.
For example, first is engaged by locking component and can directly engage the first locking arrangement, and second be engaged by locking component can be with Intermediary element including hub lock releasing to be connected to the second locking arrangement, or vice versa.
In the embodiment of the corresponding locking arrangement of one be wherein engaged by locking in component directly engagement, locking arrangement can Including the first rotary part, rotatable or static second component and locking member, wherein locking member can be in lock arrangement It is moved between release configuration, wherein preventing the first and second components from revolving relative to each other in lock arrangement around rotation axis Turn, and allows rotary part to rotate around rotation axis relative to second component in release configuration.Locking member can be opposite It is moved axially between its lock arrangement and its release configuration in rotation axis.Alternatively, locking member can be relative to rotation Axis moves radially between its lock arrangement and its release configuration.Therefore, the operation of hub lock releasing suitably causes to lock Determine the movement of engagement member, this can lead to corresponding locking member from its lock arrangement to the axially or radially shifting of its release configuration again It is dynamic.Each be engaged by locking element can directly move in locking member it is one corresponding (for example, via be engaged by locking element and lock Determine the direct contact of component), or being each engaged by locking element can be via the mobile corresponding locking member of intermediary element.
In one embodiment of the invention, first it is engaged by locking the corresponding locking that component directly contacts the first locking arrangement Component and second be engaged by locking component via intermediary element contact second locking arrangement corresponding locking member.Such In embodiment, the first locking member can be and being engaged by locking the direct contact of component with first axially (relative to rotation Axis) mobile and the second locking member can move radially by intermediary element, and intermediary element forms the second engagement member A part.
Since the first and second rotary connectors are effectively combined by intermediate frame section, intermediary element can position In in intermediate frame section.In such embodiments, intermediate frame section can be it is hollow or wherein limit channel or Cavity.In one embodiment of the invention, intermediary element is bar or cable.In the context of the present invention, bar can be reality It is the heart or hollow, and it can have any suitable cross-sectional shape, such as round or rectangle.In addition, term " cable Rope " includes polymer cables, metal cords, mixing material cable, monofilament cable, multifilament cable and braiding cable.In addition, intermediate Frame part can limit inner passage or cavity, and inner passage or cavity form intermediary element can the pipeline of position in the inner.
In one embodiment of the invention, upper frame includes a pair of parallel frame element, and two upper box Frame element surrounds the rotation axis limited by the first rotary connector and rotates together.Additionally or alternatively, central frame can wrap A pair of parallel frame element is included, and two central frame elements can be around the rotation axis limited by the first rotary connector And/or the rotation axis limited by the second rotary connector rotates together.
Upper frame portion includes a pair of parallel upper frame element wherein and/or intermediate frame section includes a pair of flat In the embodiment of row central frame element, the first and/or second rotary connector may include a pair of first component spaced apart.The One and/or second rotary connector may also include a pair of locking component.Therefore, the first rotary connector includes a pair of of lock wherein Determine in the embodiment of component, hub lock releasing may include that a pair first is engaged by locking component, and each first is engaged by locking component It is operably connected to corresponding locking member.
It similarly, include in the embodiment of a pair of locking component in wherein the second rotary connector, hub lock releasing can It is engaged by locking component including a pair second, each second is engaged by locking the phase for being operatively connected to the second rotary connector Answer locking member.For example, this may need a pair of of intermediary element, this is engaged by locking component company at by second to intermediate element configuration It is connected to corresponding locking member.When intermediate frame element is hollow or wherein limits channel or when cavity, two cental elements Each of part can be located in corresponding one of central frame element.
The main frame of trolley can be by supporting leg relative to chassis supports.Therefore, trolley may include supporting leg, The supporting leg is connected to main frame in one end and is connected to chassis at its other end.In a reality of the invention Apply in example, main frame can be supported by a pair of of supporting leg, wherein each supporting leg one end be connected to main frame and Chassis is connected at its other end.The supporting leg of the embodiment is appropriately spaced.For example, one in supporting leg can be with It is connected to first side on chassis, and another supporting leg may be coupled to the opposite side on chassis.
The supporting leg or each supporting leg can be rotatably connected to chassis at portion at one end, and in opposite end portion Locate one that it can be rotatably connected in first or second rotary connector.Therefore, when trolley fold when, first or Second connector can be moved with the arc that is limited by the length of the supporting leg or each supporting leg.Suitably, the supporting leg or Each supporting leg is rotatably connected to the first rotary connector.This allows main frame to scratch relative to the less of chassis in use It is bent.
Trolley is suitably motor-driven handcart.Therefore, trolley may also include one or more electric motors, arrangement At one wheel of driving, pair of wheels or corresponding wheel.Therefore, trolley may include single-motor, driving individually from Motor car wheel or a pair of of driven wheel or it may include a pair of of motor, each motor drives corresponding driven wheel.
Trolley generally includes be triangularly arranged three wheels, and one pair of them wheel forms the rear wheel of trolley, And single wheel forms the front vehicle wheel of trolley.In one embodiment of the invention, trolley includes configuration triangular in shape Three wheels, wherein front vehicle wheel is connected to chassis by subframe.Two rear wheels are suitably rotationally connected to by chassis The axis of carrying or corresponding axis.Therefore, rear wheel may be coupled to single common axis or each wheel and may be coupled to accordingly Axis.
Subframe can be rotatably connected to chassis.
Trolley is suitable as golf cart.Therefore, trolley may also include at least one golf bag about Bundle device.
According to the second aspect of the invention, a kind of golf cart is provided comprising main frame, chassis and rotatable Ground is connected at least two wheels on chassis, and wherein main frame includes upper frame portion, intermediate frame section and lower frame Part;The first end of lower connecting frame portion is connected to chassis;The first end of upper frame portion has handle;Upper frame Part is connected to the first end of intermediate frame section at its second end via the first rotary connector;Intermediate frame section The second end of lower connecting frame portion is connected at its second end via the second rotary connector;First rotary connector packet It includes the first locking arrangement and the second rotary connector includes the second locking arrangement, wherein there is each locking arrangement release to match It sets and lock arrangement, wherein rotary connector rotates freely in release configuration, and prevents rotary connector in lock arrangement Rotation;And trolley further includes hub lock releasing, which is operably connected to the first and second lockings Arrangement, and be manually operable being simutaneously arranged the locking of the first and second rotary connectors arrangement in their own release In configuration.
The optional feature for combining the first aspect of the present invention to discuss above is equally applicable to the Gao Er of second aspect of the present invention Husband's player's cart.
Technical staff will be appreciated that, can appoint in conjunction with the feature of aspect of the invention and embodiment description and definition What combination is combined, but regardless of whether clearly referring to specific combination herein.It is therefore contemplated that all these combinations are available for technology Personnel use.
Detailed description of the invention
Now will only embodiments of the present invention will be described by referring to the drawings by way of example, in the accompanying drawings:
Fig. 1 is the perspective view of the golf cart according to the present invention in expansion configuration;
Fig. 2 is the perspective view of trolley shown in Fig. 1 in the folded configuration;
Fig. 3 is locked out the cross-sectional view of relieving mechanism, which forms a part of Fig. 1 trolley;
Fig. 4 is the cross-sectional view of the first rotary connector of trolley shown in Fig. 1;And
Fig. 5 is the cross-sectional view by the second rotary connector of trolley shown in Fig. 1.
Specific embodiment
To avoid doubt, technical staff be will be appreciated that, in the present specification, term " upward ", " downward ", " preceding The references such as portion ", " rear portion ", " top ", " lower part ", " width " install such as to send out in this example when normal use as shown in the figure The orientation of existing component.
Golf cart 2 is shown in FIG. 1.Trolley 2 includes chassis 4, and chassis 4 accommodates electric motor, gearbox And rechargeable battery.These articles are common for motor-driven handcart, and are not shown or describe herein.Electric motor Power is provided to be rotatably connected to a pair of of rear wheel 6a, the 6b on chassis 4.
What is extended forward from chassis 4 is the subframe 8 and fixed golf in use for carrying front vehicle wheel sub-assembly 10 The lower pouch supporting element 12 of the bottom part of bag.Subframe 8 is rotatably connected part 14 via chassis and is rotatably connected to chassis 4.Chassis is rotatably connected part 14 and can be locked in via locking mechanism (not shown) in extension configuration (as shown in fig. 1).For The locking mechanism for being rotatably connected part 14 is operated by lower part release lever 16.
The front part restriction on chassis 4 carries handle 18, when trolley is in its folded configuration (as shown in Figure 2), Handle 18 can be carried by this carries trolley.
What is upwardly extended from the front part on chassis 4 is the main frame of trolley, and main frame includes arranging to connect via hinge It is connected to the lower frame component 20 on chassis 4, the intermediate frame section being made of a pair of parallel central frame element 22, He Youyi The upper frame portion that upper frame element 24 is formed.
Handle 26 is controlled to be carried by the distal end of upper frame element 24.Control handle includes control handle 28, control rotation Button controls the speed of motor and therefore controls the speed of trolley, and controlling handle includes a pair of of handlebar 30, in use Trolley 2 can turn to handlebar 30 by this.
Upper frame element 24 is connected to central frame element 22 proximally by the first rotary connector 32.Below more in detail First rotary connector 32 carefully is described.
Central frame element 22 is connected to lower frame component 20 by the second rotary connector 34.Second rotary connector It is described more fully hereinafter in.
First rotary connector 32 and the second rotary connector 34 all have corresponding lock arrangement and release configuration, wherein The rotation of connector 32,34 is prevented in lock arrangement, and allows connector 32,34 to rotate in release configuration.Single locking Release lever 36 is configured to discharge two rotary connectors 32,34 in single operation (that is, two rotary connectors 32,34 are same When be moved to they release configuration in).More fully hereinafter describe lock release lever 36 and its with the first rotary connector 32 With the relationship of the second rotary connector 34.
For the main frame for the trolley 2 being supported in its expansion configuration, a pair of of supporting leg 38 is set, this is to supporting leg 38 Chassis 4 is rotatably connected in one end and the first rotary connector is rotatably connected at its opposed end 32。
Upper pouch restraint device 40 is carried near the first rotary connector 32 by main frame.Upper pouch restraint device 40 wraps Include belt fixed around the upper part of golf bag in use.
Fig. 2 shows the trolleys 2 in folded configuration, in which: subframe 8 and front vehicle wheel sub-assembly 10 can around chassis Rotary connector rotation, so that subframe 8 and front vehicle wheel sub-assembly 10 are located at 4 lower section of chassis;Lower frame component 20, middle boxes Frame element 22 and upper frame element 24 are folded in a manner of concertina around the first and second rotary connectors 32,34, are made Obtain the near top that lower frame component 20, central frame element 22 and supporting leg 38 are entirely located in chassis 4;And upper frame Element 24 is located near central frame element 22.
Fig. 3 illustrates in greater detail lock release lever 36 and relevant hub lock releasing.Lock release lever 36 includes upward The main part 42 of extension, the main part 42 are engaged by bias spring 44.Release lever 36 limits operative configuration and not operation is matched It sets, wherein the locking member of rotary connector 32,34 is released in operative configuration, and the lock release lever in not operation configuration It is disengaged from the locking member of the first and second rotary connectors 32,34.Lock release lever 36 is biased to by bias spring 44 The configuration of its not operation.In order to which lock release lever 36 is moved to its operative configuration from the configuration of its not operation, user releases to locking It puts bar 36 and applies upward power, this overcomes the bias of spring 44 and bar 36 is moved up.
Other than the main part 42 upwardly extended, lock release lever 36 further includes that a pair is laterally extended and (laterally prolongs Stretch) element 46, they are connected to corresponding cable 48.Cable 48 is located in central frame element 22 and connects towards the second rotation Fitting 34 extends downwardly.
Fig. 4 illustrates in greater detail the first rotary connector 32.When the release of lock release lever 36 and the first rotary connector 32 When associated locking mechanism, rotary connector 32 allows upper frame element 24 relative to central frame element 22 around rotation Axis rotation.First rotary connector 32 further includes a pair of locking element 50, can be along the rotation of the first rotary connector 32 Axis is displaced outwardly.In other words, the axial movement between lock arrangement and release configuration of locking member 50 (is rotated relative to first The rotation axis of connector).Lock arrangement is shown in figs. 3 and 4.
Rotary connector including the locking member 50 being axially movable is well known, and no longer retouches in detail herein It states.
In the case where locking member 50 is in its lock arrangement, prevent upper frame element 24 relative to central frame member Part 22 surrounds the rotation of first rotation.However, the operation of lock release lever 36 is so that locking member 50 moves axially outward To its release configuration, this allows upper frame element 24 and central frame element 22 to surround the relative rotation of rotation axis again.
The main part 42 upwardly extended includes a pair of of actuator arm 52, and each actuator arm 52 terminates at inclination table of joint Face 54, the inclined abutment surface 54 are arranged to the contact angle at 45 ° with vertical axis.The inclined abutment surface 54 of actuator arm 52 connects Close the corresponding inclined abutment surface 56 of locking member 50.When lock release lever 36 moves up, actuator arm 52 is moved up, and And engagement surface 54 and engagement surface 56 are interconnected so that locking member 50 is moved to it from its lock arrangement axially outward Release configuration.
Bar 36, which moves up also, to be had the effect of so that transverse-extending member 46 moves up.This is described below to revolve to second Turn the influence of connector.
Fig. 5 shows the operation of the locking mechanism of the second rotary connector 34.Second rotary connector 34 further includes for a pair A pair of locking element of second locking member, 58 form.However, the first locking member 50 is axially movable locking member (that is, being moved axially between their lock arrangement and their release configuration relative to rotation axis), and the second locking member Part 58 is locking radial element.In other words, the second locking member 58 is between their lock arrangement and their release configuration Rotation axis relative to the second rotary connector 34 moves radially.In this embodiment, the second locking member 58 they Longitudinal axis between lock arrangement and their release configuration relative to central frame element 22 vertically moves.
Each cable 48 is connected to corresponding one in locking member 58 by connector arm 60, and connector arm 60 is at one end Be connected in cable 48 at portion corresponding one and corresponding second locking member 58 is connected at the other end.Each company It connects device arm and limits a pair of channels 64, corresponding a pair of positioning pin 66 is received in channel 64.This allows the second locking member 58 The movement of predetermined amount relative to connector arm 60, purpose are described below.
Second locking member 58 is biased to its lock arrangement by corresponding bias spring 62.
Every one end of cable 48 includes curved unci 68a, 68b.In the top end of every cables 48, crook 68a is divided to be fixed to corresponding transverse-extending member 46, and in the bottom end of every cables, unci 68b is fixed to connection Device arm 60.In this way, when lock release lever 36 moves up, transverse-extending member 46 is also moved up, this makes again Connector arm 60 and the second locking member 58 move up.Second locking member 58 overcome 62 bias force of bias spring to moving up It moves so that the second locking member 58 is moved to its release configuration from its lock arrangement.
Each of first and second rotary connectors 32,34 include the stop table between predetermined locking application position Face (not shown).In this way, lock release lever 36 can be discharged when each rotary connector initially moves, but is passed through Stop surfaces prevent corresponding first and second locking member 50,58 back to its lock arrangement, until they are positioned at next Lock application position.
Therefore, lock release lever 36 is moved up by user, this is moved to the first locking member 50 axially outward It, which is discharged, configures and the second locking member 58 is made to be moved to its release configuration, and each rotary connector radially upward 32,34 start to rotate.At this point, corresponding stop surfaces prevent locking member 50,58 back to its latched position.Then it can release Put lock release lever 36.Bias spring 44 forces lock release lever 36 to turn down to its resting position.This also make actuator arm 52 to Under move away from the first locking member 50, but the first locking member 50 passes through the work of the stop surfaces of the first rotary connector 32 It is discharged in configuration with it is maintained at.
The release of lock release lever 36 also results in transverse-extending member 46 and moves down, this makes corresponding cable 48 downwards again Mobile and corresponding connector arm 60 moves down.By means of the arrangement in channel 64 and positioning pin 66, connector arm 60 can phase Second locking member 58 is moved down, because the second locking member 58 is prevented from back to its lock arrangement, until second Locking member is aligned with the locking application position limited by stop surfaces.
When the first locking member 50 is aligned with the locking application position that the stop surfaces by the first rotary connector 32 limit When, corresponding bias spring (not shown) forces the first locking member 50 back to its lock arrangement, and by means of the first rotation Turn connector 32 is prevented upper frame element 24 from further rotating relative to central frame element 22 by spin locking.It is similar Ground, when the second locking member 58 is aligned with the locking application position that the stop surfaces by the second rotary connector 34 limit, partially Setting spring 62 forces the second locking member 58 to return to their lock arrangement, and is revolved by means of the second rotary connector 34 Twist lock is fixed and prevents the further rotating relative to lower frame component 20 of central frame element 22.
Technical staff will from the discussion above in it is appreciated that, trolley 2 can be locked in its expansion as shown in Figure 1 and match In setting, and trolley 2 can be locked in its folded configuration as shown in Figure 2.

Claims (16)

1. a kind of for supporting the foldable pushcart of article in use, trolley includes main frame, chassis and rotatably At least two wheels on chassis are connected to, wherein main frame includes upper frame portion, intermediate frame section and lower frame portion Point;The first end of lower connecting frame portion is connected to chassis;The first end of upper frame portion has handle;Upper frame portion Divide the first end for being connected to intermediate frame section via the first rotary connector at its second end;Intermediate frame section The second end of lower connecting frame portion is connected to via the second rotary connector at its second end;First rotary connector It include the second locking arrangement including the first locking arrangement and the second rotary connector, wherein each locking arrangement has release Configuration and lock arrangement wherein rotary connector rotates freely in release configuration, and wherein prevent from rotating in lock arrangement Connector rotation;And trolley further includes hub lock releasing, and hub lock releasing is operably connected to first and second Locking arrangement, and hub lock releasing is manually operable to arrange simultaneously the locking of both the first and second rotary connectors Ground is arranged in their own release configuration.
2. foldable pushcart according to claim 1, which is characterized in that hub lock releasing includes being operably connected First to the first locking arrangement is engaged by locking component connection.
3. foldable pushcart according to claim 2, which is characterized in that hub lock releasing further includes operationally connecting It is connected to the second of the second locking arrangement and is engaged by locking component connection.
4. foldable pushcart according to claim 3, which is characterized in that first be engaged by locking component and second locking connect One in the component directly corresponding locking of engagement is closed to arrange, and first is engaged by locking component and second and is engaged by locking in component Another engages corresponding locking arrangement via intermediary element.
5. foldable pushcart according to claim 4, which is characterized in that first, which is engaged by locking component, directly engages first Locking arrangement, and second be engaged by locking component include hub lock releasing is operatively coupled to the second locking arrangement cental element Part.
6. according to foldable pushcart described in claim 4 or claim 5, which is characterized in that intermediary element is located at centre In frame part.
7. the foldable pushcart according to any one of claim 4 to 6, which is characterized in that the intermediary element is bar Or cable.
8. foldable pushcart according to any one of claim 1 to 7, which is characterized in that the upper frame portion Including a pair of parallel upper frame element, and first rotary connector limits first rotation, two upper box Frame element is rotated around the first rotation.
9. foldable pushcart according to any one of claim 1 to 8, which is characterized in that the intermediate frame section Including a pair of parallel central frame element, and second rotary connector limits the second rotation axis, two middle boxes Frame element is rotated around second rotation axis.
10. foldable pushcart according to any one of claim 1 to 9, which is characterized in that the main frame includes branch Support leg, the supporting leg are connected to one in the frame part or one in the rotary connector at portion at one end, And the chassis is connected at the other end.
11. foldable pushcart according to claim 10, which is characterized in that the main frame includes a pair of of supporting leg, Each supporting leg is connected to one in the frame part or one in the rotary connector at portion at one end, and another An end portion is connected to the chassis.
12. according to claim 10 or claim 11 described in foldable pushcart, which is characterized in that the supporting leg is every A supporting leg is rotatably connected to the chassis at portion at one end, and the supporting leg or each supporting leg are at opposed end One be rotatably connected in first or second rotary connector.
13. foldable pushcart according to any one of claim 1 to 12, which is characterized in that the chassis includes electricity Dynamic motor, the electric motor are arranged to drive at least one of described wheel.
14. foldable pushcart according to any one of claim 1 to 13, which is characterized in that the trolley includes The front vehicle wheel on the chassis is connected to via subframe.
15. foldable pushcart according to claim 14, which is characterized in that the subframe is rotatably connected to institute State trolley.
16. according to claim 1 to foldable pushcart described in any one of 15, which is characterized in that the trolley is matched It is set to golf cart and including at least one golf bag restraint device.
CN201780072316.3A 2016-11-11 2017-11-10 Foldable pushcart Pending CN110121455A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB201619169 2016-11-11
GB1619169.4 2016-11-11
PCT/GB2017/053406 WO2018087569A1 (en) 2016-11-11 2017-11-10 Collapsible trolley

Publications (1)

Publication Number Publication Date
CN110121455A true CN110121455A (en) 2019-08-13

Family

ID=60702826

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201780072316.3A Pending CN110121455A (en) 2016-11-11 2017-11-10 Foldable pushcart

Country Status (3)

Country Link
CN (1) CN110121455A (en)
GB (1) GB2571485B (en)
WO (1) WO2018087569A1 (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW376056U (en) * 1998-08-14 1999-12-01 Shang-Qing Xie Collapsing structure for the golf cart
CN2931224Y (en) * 2006-07-21 2007-08-08 中山市隆成日用制品有限公司 Baby-carrier framework with seat changement
TWM325960U (en) * 2006-09-29 2008-01-21 Golden Point Marketing Ltd Folding control mechanism for baby stroller
CN101678853A (en) * 2007-05-21 2010-03-24 普莱股份有限公司 infant pushchair
US8104777B2 (en) * 2008-06-16 2012-01-31 Unique Product & Design Co., Ltd. Golf cart collapsible device
CN203111243U (en) * 2012-07-13 2013-08-07 图勒儿童交通工具系统有限公司 Folding passenger cart
CN205168598U (en) * 2015-11-03 2016-04-20 昆山威凯儿童用品有限公司 Foldable baby stroller
CN205365921U (en) * 2015-11-09 2016-07-06 稳正企业股份有限公司 Folding stroller

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2340795B (en) * 1998-08-14 2001-11-07 Shieh Shanq Ching Foldable golf cart
NL1018648C2 (en) * 2001-07-27 2003-02-03 All Our Kids Europ B V Child buggy has foldable frame in which wheels are fitted, frame having parts which extend from front wheels to hand grip, frame parts each having adjustment hinge
ATE492453T1 (en) * 2005-09-17 2011-01-15 Link Treasure Ltd FRAME FOR A STROLLER WITH A MECHANISM FOR CHANGING THE SEAT DIRECTION

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW376056U (en) * 1998-08-14 1999-12-01 Shang-Qing Xie Collapsing structure for the golf cart
CN2931224Y (en) * 2006-07-21 2007-08-08 中山市隆成日用制品有限公司 Baby-carrier framework with seat changement
TWM325960U (en) * 2006-09-29 2008-01-21 Golden Point Marketing Ltd Folding control mechanism for baby stroller
CN101678853A (en) * 2007-05-21 2010-03-24 普莱股份有限公司 infant pushchair
US8104777B2 (en) * 2008-06-16 2012-01-31 Unique Product & Design Co., Ltd. Golf cart collapsible device
CN203111243U (en) * 2012-07-13 2013-08-07 图勒儿童交通工具系统有限公司 Folding passenger cart
CN205168598U (en) * 2015-11-03 2016-04-20 昆山威凯儿童用品有限公司 Foldable baby stroller
CN205365921U (en) * 2015-11-09 2016-07-06 稳正企业股份有限公司 Folding stroller

Also Published As

Publication number Publication date
WO2018087569A1 (en) 2018-05-17
GB2571485B (en) 2022-08-10
GB201908339D0 (en) 2019-07-24
GB2571485A (en) 2019-08-28

Similar Documents

Publication Publication Date Title
JP6444479B2 (en) Movable instrument
CN101903232B (en) An improved pushchair frame
US10399589B2 (en) Child stroller apparatus
CN104768833B (en) The go-cart that can be folded
KR102227172B1 (en) Child push chair frame and child push chair
CN104129417B (en) Folding traveling baby's vehicle bolt and wheel detent mechanism
WO2008103616A1 (en) Stroller
CN1662410A (en) Folding walking or jogging strollers and cargo carriers including pivoting wheel axles
CN104044623B (en) Orienting mechanism for wheel and there is the child carrier of this mechanism
KR101572635B1 (en) a driving board
EP3368169A1 (en) Self-balancing vehicle with adjustable or movable positioning of foot platforms
CN104118462B (en) Orienting mechanism for wheel and there is the child carrier of this mechanism
CN106163738A (en) Floor grinding machine
US20170072982A1 (en) Lightweight Collapsible Stroller
CN109689472A (en) Foldable stroller and correlation technique
CN110104048A (en) It can be with the tricycle and selection status method of rotary state and steering state operation
CN104382422B (en) Child play bed
EP1991456A1 (en) Pushchair having an improved folding frame
CN110121455A (en) Foldable pushcart
CN109110009A (en) Jiffy stand component and the bicycle for using the jiffy stand component
CN105691435A (en) Foldable baby carriage
CN104816751A (en) Rotational joint and children seat pocket with the same
CN103492254A (en) Multifunctional joint
US9260124B1 (en) Folding golf cart
CN112009554A (en) Children's barrow

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination