TWI558594B - A trolley mounted on a two-wheeled vehicle - Google Patents

Description

Cart device that can be mounted on a two-wheeled vehicle

The present invention relates to a cart, and more particularly to a cart device that can be mounted on a two-wheeled vehicle.

There is a bicycle carrying component (PCT Patent No. I453141) having a rack mountable to a bicycle frame, a carrier member mounted on the bracket, and a carrier member that can be secured relative to the carrier A unit that is combined or detached. Although the bicycle is mounted to the bicycle using such a carrier assembly, the bicycle can be brought to the point of carrying a child or other item, but the carrier assembly cannot be used for other purposes when the carrier assembly is detached from the bicycle. That is to say, the load bearing assembly can only function when mated with the bicycle.

Another bicycle child seat (TW Publication No. 399 553) is a telescopic handle, a base, a second wheel frame and a connecting seat mounted on a body, and the base can be combined with the connecting seat through the base On the frame of the bicycle and the rear carrier. Although the base is detached from the connecting seat, and the seat body is engaged with the telescopic handle, the base, and the wheel carriers, the function of using the trolley and the general seat can be generated, but the base and the connecting seat are Combination, the two inserts of the base must be inserted The two insertion holes of the connecting seat pass through the two sets of the inserting sleeves of the inserting body through the through-holes of the inserting piece, and the engaging legs are fastened to a fastening hole, and the overall structure is complicated. Assembly and disassembly operations are difficult and time consuming, and are not practical.

Accordingly, it is an object of the present invention to provide a cart apparatus that is simple in construction, relatively easy to assemble, and quick to mount on a two-wheeled vehicle.

Thus, the present invention can be mounted on a two-wheeled vehicle trolley device, including a cart unit and a base unit. The cart unit has a base body, a handle set connected to the base body, a front wheel frame set retractably mounted on a bottom side of the base body, and a rear wheel frame retractably mounted on the other side of the base body bottom. The base has an inset card set, the front wheel set has a pair of front rollers, the rear wheel set has a pair of rear rollers, and the front wheel set can be operated by an unfolded state that moves the front rollers away from the base Forming the front rollers to be close to the folded state of the substrate, the rear wheel carrier group being operable by a deployed state in which the rear rollers are away from the base body such that the rear rollers correspond to the folded state of the base body The base unit can be mounted on the two-wheeled vehicle, and has a fixing base, a locking group disposed on the fixing seat and capable of being embedded by the embedded card group, and a card mounted on the fixing base and enabling the card a first quick release group that is firmly combined with the embedded card set, the embedded card set of the base body and the card set are concave and convex, and the first quick release set has a wrench pivoted to the fixed seat Operating the wrench to rotate the card group relative to the card Produce embedded buckle or away.

The utility model has the advantages that the base unit is pre-installed on the two-wheeled vehicle, and the card set of the trolley unit is detachably engaged with the card set of the base unit, and the first quick release group The setting can achieve a stable combination and fast operation.

100‧‧‧Luggage rack

10‧‧‧Truck unit

11‧‧‧ base

111‧‧‧First side

112‧‧‧ second side

113‧‧‧Inlay deck

114‧‧‧First inset

115‧‧‧Second inset

116‧‧‧镂空部

117‧‧‧Upper post

118‧‧‧Under the post

12‧‧‧Hand group

121‧‧‧Handlebar

122‧‧ ‧ pinhole

123‧‧‧Kakong

13‧‧‧Front wheel set

131‧‧‧ Front wheel

132‧‧ ‧ pinhole

133‧‧‧Kakong

14‧‧‧ Rear wheel set

141‧‧‧Back wheel

142‧‧ ‧ pinhole

143‧‧‧Kakong

15‧‧‧ positioning group

151‧‧‧Lock

152‧‧ ‧ spring

153‧‧‧ bolt

154‧‧‧ button

155‧‧‧Star button

20‧‧‧Base unit

21‧‧‧ Fixed seat

211‧‧‧ top surface

212‧‧‧ side

213‧‧‧ first end

214‧‧‧ second end

215‧‧ ‧ chute

22‧‧‧Card Group

221‧‧‧First card parts

222‧‧‧Second card parts

223‧‧‧ openings

224‧‧‧ bottom position

225‧‧‧ convex

226‧‧‧Depression

23‧‧‧First Quick Release Group

231‧‧‧ wrench

232‧‧‧ linkage block

233‧‧‧Traction

30‧‧‧Combination unit

31‧‧‧ joint

311‧‧‧ top surface

312‧‧‧ Groove

313‧‧‧ Guide slot

32‧‧‧Second quick release group

321‧‧‧Operating parts

322‧‧‧ Connecting rod

33‧‧‧First joint

34‧‧‧Second joint

341‧‧‧ 檐

342‧‧‧With the Ministry

40‧‧‧Seat unit

41‧‧‧Card Firmware

411‧‧‧First insert

412‧‧‧Second inlay

20’‧‧‧Base unit

21’‧‧‧ Fixed seat

216’‧‧‧floor

217’‧‧‧Protruding

221’‧‧‧First card parts

222’‧‧‧Second card parts

22’‧‧‧Card Group

23’‧‧‧First Quick Release Group

Other features and advantages of the present invention will be apparent from the detailed description of the embodiments of the present invention, wherein: FIG. 1 is a partial perspective view showing a first embodiment of the present invention which can be mounted on a two-wheeled vehicle. 2 is a perspective exploded view of one of the above embodiments of the present invention; FIG. 3 is a schematic cross-sectional view of one of the above embodiments of the present invention; FIG. 4 is an exploded perspective view of a base unit according to the above embodiment of the present invention; FIG. 6 is a cross-sectional view showing a base unit according to the above embodiment of the present invention; FIG. 6 is a schematic view similar to FIG. 5, illustrating a first quick release group driving a second card member to be separated from a second card member. Figure 7 is an exploded perspective view of a combination unit of the above embodiment of the present invention; Figure 8 is a cross-sectional view taken along line VIII-VIII of Figure 3; Figure 9 is similar to Figure 8, illustrating a second quick release operation Figure 10 is a schematic cross-sectional view along line XX of Figure 3; Figure 11 is a schematic view of one of the above embodiments of the present invention, illustrating a seat Unit relative to the Detachable engagement means; FIG. 12 is similar to FIG. 11, indicating that the binding unit of the seating unit with respect to the stationary schematic; FIG. 13 is a schematic view showing the use of one of the above embodiments of the present invention, illustrating a cart unit coupled with the base unit, the combined unit, and the seat unit, and mounted on a bicycle; FIG. 14 is a schematic diagram of a folding of the above embodiment of the present invention; FIG. 15 is a schematic view showing another use of the above-described embodiment of the present invention, illustrating the combination of the cart unit and the combination unit and a basket; FIG. 16 is the embodiment of the present invention. Another schematic diagram of the use of the cart unit in combination with the base unit and mounted to the bicycle; FIG. 17 is a partially exploded perspective view of a second embodiment of the cart device mountable on the two-wheel carrier of the present invention; and FIG. It is a three-dimensional combination diagram of the second embodiment of the present invention.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to Figures 1, 2 and 3, a first embodiment of a cart apparatus for mounting on a two-wheeled vehicle of the present invention is a bicycle (see Figures 13 and 16) and has a rear luggage rack 100. The cart device includes a cart unit 10, a base unit 20, a joint unit 30, a seat unit 40, and a storage basket 50 (with reference to Fig. 15).

The cart unit 10 has a base body 11, a handle set 12 connected to the base body 11, a front wheel frame set 13 retractably mounted on the bottom side of the base body 11, and a foldable mounting on the bottom of the base body 11. The rear wheel carrier set 14 and the majority of the positioning set 15 on the other side.

The base body 11 has a first side portion 111, a second side portion 112 opposite to the first side portion 111, and a card set 113. The embedded card set 113 has a first inserting member 114 disposed on the first side portion 111 and having a rod shape, a second inserting member 115 disposed in the second side portion 112 and having a rod shape, and a setting a hollow portion 116 between the first insert member 114 and the second insert member 115. In addition, the base 11 further has a pair of upper links 117 projecting upward from the second side portion 112 and two pairs of lower links 118 projecting downwardly from the bottom.

The handle set 12 has a pair of handle bars 121 pivotally connected to the upper posts 117. Referring to FIG. 10, the handle bars 121 each have a pin hole 122 and are connected to the pin hole 122 and have a star shape. Card hole 123.

The front wheel frame set 13 has a pair of front rollers 131 and a pair of pin holes 132 opposite to the front rollers 131 and a pair of card holes 133 connected to the pin holes 132 and having a star shape (refer to FIG. 10). . The front wheel carrier set 13 is adjustably coupled to a pair of lower links 118 corresponding to the first side portions 111.

The rear wheel carrier assembly 14 has a pair of rear rollers 141 and a pair of pin holes 142 opposite to the rear roller 141 and a pair of card holes 143 that are connected to the pin holes 142 and have a star shape (refer to FIG. 10). . The rear wheel carrier set 14 is adjustably coupled to a pair of lower links 118 corresponding to the second side portions 112.

With reference to FIG. 15, the positioning groups 15 are respectively disposed between the base 11 and the handle set 12, and between the base 11 and the front wheel frame set 13 and the rear wheel frame set 14, and are respectively mounted on The upper post 117 and the pin holes 122, the card holes 123, and the lower posts 118 and the pins The hole 132, the hole 133, the lower pin 118, the pin hole 142, and the hole 143, each of the positioning groups 15 has a latch 151 and a spring 152 for providing an elastic force of the latch 151 in the axial direction. The latch 151 has a bolt 153, a button 154 disposed at one end of the bolt 153, and a star button 155 disposed at the other end of the bolt 153. The spring force of the spring 152 is constant for the star The button 155 maintains a tendency to fit into the card holes 123, 133, 143 (as shown by the solid line in FIG. 10), and pressing the buttons 154 allows the star card buttons 155 to be self-adhesive from the card holes 123, 133. And 143 is removed (as shown by the imaginary line in FIG. 10), and the handle set 12, the front wheel frame set 13, and the rear wheel frame set 14 are rotatable relative to the base body 11 and the use angle is adjusted.

With reference to FIG. 4, FIG. 5 and FIG. 6, the base unit 20 can be pre-installed on the rear luggage rack 100 of the two-wheeled vehicle, and has a fixing base 21 and a card for inserting the embedded card group 113. The group 22 and a first quick release group 23 that allows the card set 22 to be firmly coupled to the card set 113. The card group 113 of the base 11 and the card group 22 are concave and convex.

The fixing base 21 has a top surface 211, a pair of side surfaces 212 extending downward from opposite sides of the top surface 211, a first end portion 213 corresponding to the first side portion 111, and a second side portion corresponding to the second side portion The second end portion 214 of the 112 and a sliding slot 215 disposed on the second end portion 214 and recessed by the top surface 211.

The clamping group 22 has a first clamping member 221 disposed on the fixing base 21 and a second clamping member 222 movable relative to the fixing base 21. The first clamping member 221 has an inclined groove shape and corresponds to the first end portion 213, and is inclined from the top surface 211 toward the first end portion 213 and can communicate with the side surfaces 212, the first card The workpiece 221 has a communication with the top surface 211 The opening 223 and a groove bottom position 224 opposite to the opening 223. The second clamping member 222 is slidably disposed in the sliding slot 215 and has a convex 225 corresponding to the top surface 211 and a bottom portion 224 corresponding to the groove and located at the bottom of the protruding portion 225 and concave. A groove-shaped recess 226.

The first quick release group 23 can drive the second clamping member 222 to generate a buckle (see FIG. 5) or away from the second insert member 115 (see FIG. 6), and has a pivotal connection to the fixed seat. A trigger block 231 of the 21 and a linkage block 232 pivotally connected between the trigger block 231 and the second clamping member 222. The wrench block 231 has an L shape and has a triggering portion 233. The triggering portion 233 The second clamping member 222 can be driven by the linking block 232 to generate an indentation (such as FIG. 4) or away from the second engaging member 115 (as shown in FIG. 6).

The binding unit 30 is fixed to the base 11 of the cart unit 10, and has a coupling base 31 fixed to the base 11 and a pair of second quick release groups mounted on the coupling base 31. 32. The joint 31 has a top end surface 311, a recess 312 recessed by the top end surface 311, a pair of guide grooves 313 disposed on one side of the recess 312, a first joint member 33, and a pair of openings. a second coupling member 34 on one side of the second quick release group 32. The first coupling member 33 is disposed on the other side of the recess 312 and communicates with the recess 312 to form a recessed hole. The second engaging members 34 are slidably disposed in the guide slots 313, respectively. Each has a dam 341 corresponding to the top end surface 311 and an engaging portion 342 at the bottom of the dam 341 and having a groove shape.

The second quick release group 32 has an operating member 321 pivoted to the coupling seat 31 and eccentrically biasing the second coupling member 34 toward or away from the recess 312, and a pivoting member 321 and the first pivoting member Between the two coupling members 34 The connecting rod 322 is disposed on the operating member 321 .

As shown in FIG. 7, the seat unit 40 is detachably mounted to the coupling unit 30, and has a fastener 41 disposed at the bottom and interposed with the coupling seat 31. The second quick release group 32 is operated. The fastener 41 can be operated in a disengaged state (see FIGS. 9 and 11) which can be detached from the joint 31 by a joint state (see FIGS. 8 and 12) fixed to the joint 31. The binding seat 31 and the fastening member 41 are embossed, and the fastening member 41 has a first insert 411 that can be engaged with the first coupling member 33 and a second insert 411 opposite to the first insert 411. The second insert 412 of the engaging portion 342.

With reference to FIG. 7 and FIG. 15, the storage basket 50 has a fastener 51 disposed at the bottom and interposed with the first and second coupling members 33, 34. The structure of the fastening member 51 and the seat unit 40 The same, the description is not repeated, and the binding seat 31 of the combining unit 30 and the embossing buckle are arranged, and the second quick-release group 32 is configured to make the second coupling member 34 be combined with the fastener 51. The state operates in a disengaged state (in conjunction with Figures 8 and 9).

With the above components, the user can select different combinations according to the needs. For example, as shown in FIG. 3, when the bicycle device is to be used in conjunction with a bicycle for carrying an infant, the base unit 20 may be pre-locked to the rear luggage rack 100 of the two-wheeled vehicle, and the joint 31 of the combining unit 30 is used. The base 11 of the cart unit 10 is also pre-locked, and as shown in FIG. 11, after the first card member 114 of the cart unit 10 is nested on the first card member 221, the first fast operation is performed. The trigger block 231 of the group 23 is disassembled, and the linking block 232 is driven to change from the remote position (with reference to FIG. 6) to the second inserting member 222. 5), you can make The cart unit 10 is fixed to the base unit 20 and the rear roof rack 100 (as shown in FIG. 16).

Then, as shown in FIG. 11 and FIG. 12 and FIG. 13 , when the first insert 411 of the fastener 41 of the seat unit 40 is obliquely inserted into the recess 312, the first insert 411 is buckled. In the first joint member 33, the other end of the second insert block 412 is inserted into the recess 312, and the operating members 321 of the second quick release group 32 are operated, and The connecting rods 322 are coupled to the second engaging members 34 such that the second engaging members 34 are movable toward the recesses 312, and the engaging portions 342 are engaged with the second inserting blocks 412, and The seat unit 40 is firmly fixed to the coupling unit 30, and the cart unit 10 and the seat unit 40 can be assembled to the rear luggage rack 100. At this time, the front wheel frame group 13 and the rear wheel frame group 14 are rotated and folded relative to the base body 11 by operating the positioning group 15, so that the front roller plates 131 are close to a folding of the base body 11. In the state, the rear rollers 141 are in a folded state corresponding to the base 11 (see the imaginary line of FIG. 3, FIGS. 13 and 14). It is avoided that the front wheel frame group 13 and the rear wheel frame group 14 interfere with foreign objects during bicycle riding, and danger occurs. And with the combination of the bicycle, the cart unit 10, the base unit 20, the combination unit 30 and the seat unit 40, the trolley device can be conveniently operated and is convenient for carrying infants and young children.

When the cart unit 10 is to be detached from the rear roof rack 100, the operator must first unfold the front wheel frame set 13 and the rear wheel frame set 14 relative to the base body 11 and keep the front rollers 131 away from each other. In an unfolded state of the base 11 and the rear roller 141 being in an unfolded state away from the base 11, the lever 231 of the first quick release group 23 is operated and operated. When the linking block 232 drives the second clamping member 222 to be away from the second engaging member 115 by the locking position (see FIG. 5) (see FIG. 6), the trolley unit 10 can be easily removed from the rear. The stowage bin 100 is detached, and with the combination of the cart unit 10, the combining unit 30 and the seating unit 40, the stroller device can be used to carry out infants (see Fig. 1).

As shown in FIG. 15 , when the seat unit 40 is detached from the joint seat 31 of the joint unit 30 and the replacement basket 50 is fixed to the joint unit 30, the cart unit 10 and the joint unit 30 are utilized. The combination of the storage basket 50 can be used for shopping.

In addition, when the seat unit 40 is detached from the coupling seat 31 of the coupling unit 30, the seat unit 40 can be placed in a car as a safety seat. The combined structure of the cart unit 10 and the combining unit 30 is used as a foldable cart.

Therefore, the present invention utilizes a combination of the cart unit 10 differently from the base unit 20, the coupling unit 30, the seat unit 40, and the basket 50, and is widely used.

In addition, since the cart unit 10 has a multi-purpose use in cooperation with other components, as shown in FIG. 16, it can be frequently installed on the luggage rack 100 of the bicycle according to the use requirement, and is pre-installed through the base unit 20 through the base unit 20. On the luggage rack 100, it is not necessary to disassemble it frequently.

As further shown in Fig. 17, the second embodiment of the cart apparatus of the present invention mountable on a two-wheeled carrier is substantially similar to the first embodiment, with the difference being in the base unit 20'. The base unit 20' has a fixing base 21', a locking group 22' and a first quick release group 23'. The fixing base 21' is narrow The lower portion has a bottom plate 216 ′ and a protrusion 217 ′ which is protruded from the bottom plate 216 ′ and is retracted relative to the bottom plate 216 ′. The protrusion 217 ′ can be sleeved in the hollow portion 116 . The clamping group 22' has a first clamping member 221' corresponding to the first side portion 111 and disposed at the bottom plate 216' and the protruding portion 217', and a first clamping member opposite to the first clamping member The second clamping member 222 ′ is disposed between the bottom plate 216 ′ and the protruding portion 217 ′, and the first clamping member 221 ′ and the second clamping member 222 ′ are in an inverted L-shaped groove shape. And the first clamping member 221 ′ is positionable by the first engaging member 114 relative to the fixing seat 21 ′. The first quick release group 23' has a rod shape and one end of the shaft is disposed on the protrusion 217', and the other free end can be locked by a pair of the second inserts 115 (see 18), rotating An unlocked state away from the second insert member 115 (see FIG. 17).

By using the base unit 20' in cooperation with the cart unit 10, the combining unit 30, the seat unit 40 or the storage basket (not shown in FIGS. 17 and 18), the same purpose and the same as the first embodiment can be achieved. Use the function.

However, the above is only the embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made by the patent application scope and the patent specification of the present invention are still It is within the scope of the patent of the present invention.

10‧‧‧Truck unit

11‧‧‧ base

111‧‧‧First side

112‧‧‧ second side

113‧‧‧Inlay deck

114‧‧‧First inset

115‧‧‧Second inset

116‧‧‧镂空部

117‧‧‧Upper post

118‧‧‧Under the post

12‧‧‧Hand group

121‧‧‧Handlebar

13‧‧‧Front wheel set

131‧‧‧ Front wheel

14‧‧‧ Rear wheel set

141‧‧‧Back wheel

15‧‧‧ positioning group

20‧‧‧Base unit

21‧‧‧ Fixed seat

22‧‧‧Card Group

23‧‧‧First Quick Release Group

30‧‧‧Combination unit

31‧‧‧ joint

32‧‧‧Second quick release group

40‧‧‧Seat unit

41‧‧‧Card Firmware

411‧‧‧First insert

412‧‧‧Second inlay

Claims (10)

A trolley device mountable on a two-wheeled vehicle, comprising: a trolley unit having a base body, a handle set connected to the base body, a front wheel frame set retractably mounted on a bottom side of the base body, and a front wheel frame set a rear wheel frame set that is mounted on the other side of the bottom of the base body, the base body has an embedded card set, the front wheel frame set has a pair of front rollers, and the rear wheel frame set has a pair of rear rollers, the front wheel frame set The state in which the front rollers are moved away from the base body can be operated to bring the front rollers closer to the collapsed state of the base body, and the rear wheel carrier group can be moved away from the base body by the rear wheel carrier. The operation is such that the rear rollers correspond to the folded state of the base body; and a base unit is mounted on the second wheel carrier and has a fixing base disposed on the fixing base and can be embedded in the embedded card a card assembly group of the buckle and a first quick release group mounted on the fixing base and capable of firmly bonding the card group to the card group; the card group of the base body and the card group are concave and convex, and The first quick release group has a pivotal connection to the fixed seat Pull the block, the block operation of the pull rotated, allows the clamping insert card with respect to the set of group generate embedded or snap away. The handcart device as claimed in claim 1, wherein the base body has a first side portion and a second side portion opposite to the first side portion, the card set has a setting a first card member of the first side portion and a second card member disposed on the second side portion, the card assembly of the base unit has a first card member disposed on the fixing seat and a The first quick release group can drive the second card member that is movable relative to the fixing seat The second clamping member generates a buckle or is away from the second insert. The handcart device of claim 2, wherein the first card member and the second card member of the base body are in the shape of a rod, and the card group further has a a hollow portion between the first engaging member and the second engaging member, the fixing base of the base unit has a top surface, a pair of sides extending downward from opposite sides of the top surface, and a corresponding to the first side a first end portion of the portion, a second end portion corresponding to the second side portion, and a sliding groove disposed at the second end portion and recessed by the top surface, the first clamping member is an inclined groove Corresponding to the first end portion, and the top surface is obliquely recessed toward the first end portion and can communicate with the side surfaces, the first clamping member has an opening communicating with the top surface and an opposite The second clamping member is slidably disposed in the sliding slot, and has a convex portion corresponding to the top surface and a recess corresponding to the bottom position of the groove and located at the bottom of the protruding portion. unit. The handcart device as claimed in claim 3, wherein the first quick release group of the base unit further has a linkage block pivotally connected to the trigger block, the linkage block and the second The clamping member is pivotally connected, and the pulling block can be used to drive the second clamping member to engage or disengage relative to the second fastening member. The cart device that can be mounted on the two-wheeled vehicle according to any one of claims 1 to 4, further comprising a joint unit fixed to the base of the cart unit and a detachably mounted to the joint unit a seat unit having a coupling seat fixed to the base body and at least one second quick release group mounted on the coupling seat, the coupling seat having a first a joint member and a second joint member disposed on one side of the second quick release group, the seat unit has a fastener disposed at the bottom and interfitted with the first and second joint members, the joint unit The binding seat and the card fastener are embossed, and the second quick-release group is operated to make the second coupling member operate in a disengaged state from a combined state with respect to the fastener. The cradle device as claimed in claim 5, wherein the binding base of the coupling unit further has a top end surface, a recess recessed by the top end surface, and at least one groove is disposed in the groove a guiding groove communicating with the groove on one side, the first coupling member of the coupling seat is disposed on the other side of the groove and communicating with the groove to have a concave hole shape, and the second coupling member is slidably The utility model is disposed in the guiding groove, and has a damper corresponding to the top end surface and a locking portion at the bottom of the dam and having a concave hole shape, the second quick release group having an axis pivoted to the coupling seat and An operating member that moves or moves away from the second coupling member toward the groove, the fastener of the seat unit has a first insert that can be engaged with the first joint member and a first insert opposite to the first insert The block is insertable to the second insert of the engaging portion. The cart device that can be mounted on the two-wheeled vehicle according to any one of claims 1 to 4, further comprising a joint unit fixed to the base of the cart unit and a detachably mounted to the joint unit The binding unit has a binding seat fixed to the base body and at least one second quick release group mounted on the binding base, the coupling seat has a first coupling member and a second quick release group a second binding member on one side, the storage basket has a fastener disposed at the bottom and interlaced with the first and second coupling members, and the coupling seat of the coupling unit and the fastener are concave and convex. Operating the second quick release group allows the second coupling member to be operated in a disengaged state from a combined state with respect to the fastener. The cart device as claimed in claim 7 , wherein the joint unit of the joint unit has a top end surface, a recess recessed by the top end surface, and a side disposed on the groove side. And a guiding slot communicating with the groove, the second quick release group having an operating member pivoted to the coupling seat and eccentrically displacing the second coupling member toward or away from the groove, the block having a Corresponding to the damper of the top end surface and a latching portion at the bottom of the damper, the fastener of the basket has a first insert that can be engaged with the first joint and a first insert opposite to the first insert The block is insertable to the second insert of the engaging portion. The handcart device as claimed in claim 1, wherein the base body has a first side portion and a second side portion opposite to the first side portion, the card set has a setting a first insert member on the first side portion and a second insert member disposed on the second side portion, the clip group of the base unit having a first clip member positioned relative to the mount portion and a second clamping member, the first quick release group can cooperate with the second clamping member to cause the second fastening member to be engaged or disengaged from the second clamping member. The handcart device of the second embodiment of the present invention, wherein the first card member and the second card member of the base body are in the shape of a rod, and the card group further has a a hollow portion between the first inserting member and the second inserting member, the fixing base of the base unit is narrow and wide, and has a bottom plate and a protruding portion on the bottom plate and is opposite to the bottom plate a constricted protrusion, the protrusion being sleeved in the hollow portion, the carding The first locking member corresponding to the first side portion and disposed at the bottom plate and the protruding portion, and a first member opposite to the first clamping member and disposed at the bottom plate and the protruding portion a second clamping member, the first clamping member and the second clamping member are in an inverted L-shaped groove shape, the first quick release group shaft is disposed on the protruding portion, and can be shielded by a pair of the second fastening members The locked state is rotated into an unlocked state away from the second card.