CN219277509U

CN219277509U - Folding trolley

Info

Publication number: CN219277509U
Application number: CN202320521485.3U
Authority: CN
Inventors: 胡立平; 姚美丹; 杨月锋
Original assignee: Ningbo Jiedian Creative Design Co ltd
Current assignee: Ningbo Jiedian Creative Design Co ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-06-30
Anticipated expiration: 2033-03-13

Abstract

The application relates to a folding trolley, which belongs to a carrying trolley. The folding trolley comprises a folding trolley frame and a supporting cloth sleeve arranged on the folding trolley frame; the folding frame comprises a side bracket, a lower bracket rotatably arranged at the bottom of the side bracket, at least one group of connecting rod groups connected with the side bracket and the lower bracket and a limiting piece; the connecting rod group comprises a first connecting rod with one end hinged to the side bracket and a second connecting rod with one end hinged to the first connecting rod and the other end hinged to the lower bracket; the limiting piece is arranged at the end part, far away from the side bracket, of the first connecting rod and is used for enabling the lower bracket to overturn downwards and abut against the limiting piece; the lower support is rotatably provided with a support leg, and the folding frame is provided with a limiting structure for supporting the support leg and limiting the outward turning angle of the support leg. The folding trolley has the effect of adapting to the outdoor activities.

Description

Folding trolley

Technical Field

The application relates to a travelling bogie, especially relates to a folding trolley.

Background

With the rise of outdoor activities such as picnic and camping, the folding trolley has small folding volume and can carry a proper amount of articles, and is widely applied to the outdoor activities. The folding trolley mainly comprises a trolley frame, a group of wheels arranged on one side of the bottom of the trolley frame, and a cloth sleeve which is arranged on the trolley frame and used for supporting articles. When the articles are required to be carried, a user can place the articles on the cloth cover and then incline the folding cart towards one side of the wheels, so that the folding cart is contacted with the ground only through the wheels, and the folding cart is convenient to move.

Aiming at the related technology, the inventor considers that the existing folding cart has single function, and needs to develop a folding cart with the function of adapting to outdoor activities.

Disclosure of Invention

In order to enable the folding cart to have the function of adapting to outdoor activities, the application provides the folding cart.

The application provides a folding trolley adopts following technical scheme:

a folding trolley comprises a folding trolley frame and a supporting cloth sleeve arranged on the folding trolley frame; the folding frame comprises a side bracket, a lower bracket rotatably arranged at the bottom of the side bracket, at least one group of connecting rod groups connected with the side bracket and the lower bracket and a limiting piece; the connecting rod group comprises a first connecting rod with one end hinged to the side bracket and a second connecting rod with one end hinged to the first connecting rod and the other end hinged to the lower bracket; the limiting piece is arranged at the end part, far away from the side bracket, of the first connecting rod and is used for enabling the lower bracket to overturn downwards and abut against the limiting piece; the lower support is rotatably provided with a support leg, and the folding frame is provided with a limiting structure for supporting the support leg and limiting the outward turning angle of the support leg.

Through adopting above-mentioned technical scheme, when using folding trolley, through rotatory lower carriage, the lower carriage drives the link group and rotates for folding trolley has folding and extends two kinds of states. When the folding trolley is in a folding state, the lower bracket is in an inclined posture towards the direction of the side bracket, the connecting rod group is folded inwards, namely the first connecting rod is pressed downwards, the second connecting rod is pressed upwards, and the length of the folding trolley in the horizontal direction is compressed to be minimum, so that the folding trolley is convenient to transport and store outdoors; when the folding trolley is in an extending state, the lower support is in a horizontal state, the overturning of the lower support is limited and abutted through the limiting piece, the first connecting rod and the second connecting rod are driven to be unfolded outwards, and the supporting leg piece is rotated, so that the supporting leg piece is abutted to the ground, the folding trolley plays a supporting role, the folding trolley can be used as an outdoor trolley at the moment, or one piece of cloth on one side, far away from the folding frame, of the supporting cloth sleeve is detached and can be used as an outdoor chair.

Optionally, the folding frame comprises two groups of connecting rod groups.

Through adopting above-mentioned technical scheme, the setting of two group link groups for folding frame holistic stability is comparatively ideal, has improved folding pull car's structural strength.

Optionally, the limiting piece is a limiting rod connected with the two first connecting rods.

Through adopting above-mentioned technical scheme, disclose the concrete structure of locating part, the gag lever post is connected two first connecting rods, has improved folding trolley's structural strength, is in under the extension state at folding frame simultaneously, can play spacing butt effect to the lower carriage, restriction lower carriage continues to overturn towards the bottom.

Optionally, the leg piece is a U-shaped leg, and the U-shaped leg comprises a support cross bar, a first support bar connected to one end of the support cross bar, and a second support bar connected to the other end of the support cross bar; the first support rod and the second support rod are both hinged to the lower support.

Through adopting above-mentioned technical scheme, the specific structure of an embodiment of stabilizer blade spare is disclosed, when folding trolley is in the extension state, rotates first bracing piece and second bracing piece for the bottom and folding frame bottom wheel of U-shaped stabilizer blade are in same horizontal plane, through the butt of U-shaped stabilizer blade with ground, have improved folding trolley's stability.

Optionally, the leg piece is provided with an elastic buckle, and the lower bracket is provided with a clamping groove for clamping the elastic buckle; when the support leg piece is positioned on the inner side of the lower bracket, the elastic buckle is clamped in the clamping groove.

Through adopting above-mentioned technical scheme, when folding cart is in the folded condition, rotate the stabilizer blade spare towards the inboard of support for the stabilizer blade spare side is in same horizontal plane with the inboard of lower carriage, with elasticity buckle joint in the draw-in groove of lower carriage, realizes the fixed connection of stabilizer blade spare and lower carriage.

Optionally, a clamping seat is arranged at the bottom of the lower bracket, and the clamping seat is provided with a clamping groove for clamping the limiting rod.

Through adopting above-mentioned technical scheme, when folding trolley is in under the extension state, with gag lever post joint in the joint seat of lower carriage, realized the connection of gag lever post and lower carriage, through the cooperation of joint seat and gag lever post, further improved the spacing effect to the lower carriage.

Optionally, the limit structure is the gag lever post, the stabilizer blade piece outwards overturns and can the butt in the gag lever post.

Through adopting above-mentioned technical scheme, setting up of gag lever post can outwards turn over the book to the stabilizer blade spare and play spacing effect for the stabilizer blade spare is difficult for rotating in the pressure effect of article towards keeping away from the wheel direction, improves the stability of folding cart.

Optionally, the folding frame is further provided with an armrest assembly corresponding to the connecting rod group one by one, the armrest assembly comprises an armrest sliding seat and an armrest rod, the armrest sliding seat is slidably installed on the side support, the armrest rod is rotatably installed on the first connecting rod, one end of the armrest rod is hinged to the armrest sliding seat, and an armrest part is formed at the other end of the armrest rod.

Through adopting above-mentioned technical scheme, when folding frame was in the extension state, grab rail and first connecting rod synchronous rotation, the one end that the grab rail kept away from the side support was formed with the handrail portion that supplies the user to take hand, when the user sits on folding trolley, can seek suitable handrail height through reciprocate the handrail slide.

Optionally, the side bracket comprises a fixing frame, a handrail frame and a rotary clamping piece for connecting the fixing frame and the handrail frame; the lower support and the connecting rod group are both connected to the fixing frame.

Through adopting above-mentioned technical scheme, disclose the concrete constitution of side support, the handrail frame passes through rotatory joint spare and fixed frame swivelling joint, when folding the pull car is in the folding state, turns over the handrail frame downwards, accomodates conveniently; when the folding cart is in an extended state, a user can push the folding cart through the armrest frame.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the folding trolley, the lower support and the connecting rod group are synchronously folded, so that the folding trolley is in a folded and stretched state, the operation is simple, and the folding trolley can receive articles or be used for a user to sit down in the stretched state by adjusting one side of the supporting cloth sleeve, so that the folding trolley has good outdoor adaptability;

2. by the arrangement of the support leg pieces, the stability of the folding trolley under extension is improved;

3. this application can play spacing butt effect to lower carriage and stabilizer blade spare through the setting of gag lever post, restricts the downwards of lower carriage and turns over, restricts the outwards of stabilizer blade spare and turns over.

Drawings

Fig. 1 is a schematic structural view of a folding cart in a cart state according to an embodiment of the present application.

Fig. 2 is a schematic structural view of a folding chassis according to an embodiment of the present application.

Fig. 3 is a schematic structural view of a rotating member in an embodiment of the present application.

Fig. 4 is an enlarged partial schematic view at a in fig. 2.

Fig. 5 is a schematic structural view of a folding cart in a folded state in an embodiment of the present application.

Fig. 6 is a schematic structural view of the folding cart in a chair state according to the embodiment of the present application.

Reference numerals illustrate: 1. folding the frame; 11. a side bracket; 111. a fixing frame; 112. a handrail frame; 113. a rotary clamping piece; 12. a lower bracket; 121. a bracket cross bar; 122. a first bracket; 123. a second bracket; 124. a clamping seat; 1241. a clamping groove; 125. leg pieces; 1251. a support rail; 1252. a first support bar; 1253. a second support bar; 1254. an elastic buckle; 126. a clamping groove; 13. a linkage; 131. a first link; 132. a second link; 14. a handrail assembly; 141. a handrail slide; 142. a grab rail; 1421. a handrail part; 15. a limit rod; 16. a rotating member; 161. a rotating sleeve; 162. a rotating rod; 1621. a limiting piece; 163. a first mounting portion; 164. a second mounting portion; 2. a support cloth cover; 21. closing the cloth cover; 22. a zipper; 3. and (3) a wheel.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-6.

The embodiment of the application discloses a folding trolley. Referring to fig. 1, a folding cart comprises a folding frame 1, a support cloth cover 2 mounted on the folding frame 1, and wheels 3 arranged at the bottom of the folding frame 1.

Referring to fig. 1 and 2, the folding bicycle frame 1 includes a side bracket 11 arranged vertically, a lower bracket 12 rotatably installed at the bottom of the side bracket 11, at least one group of link groups 13 connected to the side bracket 11, armrest assemblies 14 connected to the side bracket 11 and in one-to-one correspondence with the link groups 13, a stopper, and a rotator 16.

Referring to fig. 3, the lower bracket 12 is a U-shaped bracket. The lower bracket 12 includes a bracket rail 121, a first bracket 122 connected to one end of the bracket rail 121, and a second bracket 123 connected to the other end of the bracket rail 121. The lower bracket 12 is located between the two side brackets 11, and the ends of the first bracket 122 and the second bracket 123 are both rotatably connected to the side brackets 11. The lower bracket 12 and the side bracket 11 are connected by a rotating member 16. The rotary member 16 includes a rotary sleeve 161 and a rotary rod 162 mounted to the rotary sleeve 161 in a penetrating manner. The rotating sleeve 161 to one end of the rotating rod 162 are formed with a first mounting portion 163 for mounting the side bracket 11, and the rotating sleeve 161 to the other end of the rotating rod 162 are formed with a second mounting portion 164 for mounting the lower bracket 12. Both ends of the rotating rod 162 are provided with limiting pieces 1621 for reducing the probability of the rotating rod 162 being separated.

Referring to fig. 1 and 2, the link group 13 includes a first link 131 having one end hinged to the top of the side bracket 11, and a second link 132 having one end hinged to the first link 131 and the other end hinged to the lower bracket 12. The first link 131 and the side bracket 11, the second link 132 and the first link 131, and the second link 132 and the lower bracket 12 are all connected by the rotary member 16. In this embodiment, the folding chassis 1 has two sets of links 13. The two groups of connecting rod groups 13 are symmetrically arranged on two sides of the lower bracket 12 so as to improve the overall strength of the folding cart.

Referring to fig. 2 and 4, the stopper is a stopper rod 15 connecting the two first links 131. The limiting rod 15 is located at an end of the first link 131 away from the side bracket 11, for limiting the downward tilting of the lower bracket 12. Wherein, the bottom of the lower bracket 12 is provided with a clamping seat 124. The clamping seat 124 is fixedly connected with the lower bracket 12 through screws. The clamping seat 124 has a clamping groove 1241 with a downward opening for clamping the limiting rod 15. By the arrangement of the clamping seat 124, the limiting effect of the limiting rod 15 on the lower bracket 12 can be further improved.

Referring to fig. 2 and 5, when the folding cart is used, the folding cart has a folded state and an extended state by rotating the lower bracket 12 and the link group 13. When in the folded state, the support cloth cover 2 is firstly disassembled, then the lower bracket 12 is turned upwards towards the side bracket 11, meanwhile, the first connecting rod 131 is turned downwards, and the second connecting rod 132 is turned upwards, so that the length compression of the folding trolley in the horizontal direction is minimized, the storage and the transportation are convenient, and the outdoor use is convenient. When in an extending state, the lower bracket 12 turns downwards and drives the first connecting rod 131 and the second connecting rod 132 to extend outwards, and the lower bracket 12 is limited and abutted through the limiting rod 15.

Referring to fig. 1 and 2, the lower bracket 12 is further rotatably provided with a leg member 125 for support at a side remote from the side bracket 11. The leg members 125 are U-shaped legs, and the leg members 125 are located inside the lower bracket 12. The leg members 125 include a support rail 1251, a first support bar 1252 connected to one end of the support rail 1251, and a second support bar 1253 connected to the other end of the support rail 1251. The ends of the first support rod 1252 and the second support rod 1253 remote from the support rail 1251 are rotatably connected to the lower bracket 12 by the swivel 16.

Referring to fig. 1, 2 and 5, the leg members 125 are provided with elastic snaps 1254 at each of the ends of the first support bar 1252 and the second support bar 1253 adjacent to the support rail 1251. The inner side of the lower bracket 12 is provided with a clamping groove 126 for the elastic clamp 1254 to be fixedly clamped. When the folding cart is in a folded state, the supporting leg pieces 125 are turned towards the inner side of the lower bracket 12, so that the elastic buckles 1254 are clamped in the clamping grooves 126 of the lower bracket 12, when the folding cart is in an extended state, the supporting leg pieces 125 are turned towards the outer side, namely away from the side bracket 11, and are in limiting butt joint through the limiting structure, and the limiting structure is the limiting rod 15.

Referring to fig. 2, the handrail assembly 14 includes a handrail slide 141 slidably mounted to the side frame 11 and a handrail lever 142 hinged to the handrail slide 141. The armrest slider 141 slides up and down on the side bracket 11 and is connected to one end of the armrest lever 142 by a rotating lever 162. The grab bar 142 is rotatably coupled to the first link 131 at a position near the middle by the rotating member 16. The handrail lever 142 has a handrail portion 1421 formed at an end remote from the handrail slide 141. In the folded state, the handle bar 142 is turned upward, and in the extended state, the handle portion 1421 passes through the fixing member to be connected with the support cloth cover 2.

Referring to fig. 1 and 2, the side bracket 11 includes a fixing frame 111 connected to the wheel 3, a handle frame 112 provided on the top of the fixing frame 111, and a rotation clip 113 for connecting the fixing frame 111 and the handle frame 112. The up-down overturning of the armrest frame 112 is realized through the rotary clamping piece 113, and the armrest frame is used for switching the state of the folding cart. The lower bracket 12, the link set 13, and the armrest slide 141 are all rotatably connected to the fixing frame 111.

Referring to fig. 1 and 6, the support cloth cover 2 is detachably mounted with a closing cloth cover 21 at a side remote from the side bracket 11. The closing cloth 21 is connected with the supporting cloth 2 by a zipper 22. In the extended state, the user can use the folding cart as a chair by removing the closing cloth cover 21 so that the side of the supporting cloth cover 2 away from the folding cart frame 1 is in an open state.

The implementation principle of the folding cart disclosed by the embodiment of the application is as follows: rotating the lower bracket 12, the linkage 13, the grab bar 142, and the grab rail 112, enables the folding cart to switch back and forth between a folded state and an extended state; in the extended state, the support cloth cover 2 is mounted on the folding frame 1, a user can place articles on the support cloth cover 2 for conveying or turning over, and the user can sit on the support cloth cover 2, and performs limiting abutment on the downward turning of the lower bracket 12 and the outward turning over of the leg pieces 125 through the limiting rod 15.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The folding trolley comprises a folding trolley frame (1) and a supporting cloth sleeve (2) arranged on the folding trolley frame (1), and is characterized in that the folding trolley frame (1) comprises a side bracket (11), a lower bracket (12) rotatably arranged at the bottom of the side bracket (11), at least one group of connecting rod groups (13) for connecting the side bracket (11) and the lower bracket (12) and a limiting piece; the connecting rod group (13) comprises a first connecting rod (131) with one end hinged to the side bracket (11), and a second connecting rod (132) with one end hinged to the first connecting rod (131) and the other end hinged to the lower bracket (12); the limiting piece is arranged at the end part, far away from the side bracket (11), of the first connecting rod (131) and is used for enabling the lower bracket (12) to overturn downwards to be abutted; the lower bracket (12) is rotatably provided with a support leg piece (125), and the folding frame (1) is provided with a limiting structure for supporting the support leg piece (125) to abut and limiting the outward turning angle of the support leg piece (125).

2. A folding cart according to claim 1, wherein: the folding frame (1) comprises two groups of connecting rod groups (13).

3. A folding cart according to claim 2, wherein: the limiting piece is a limiting rod (15) connected with the two first connecting rods (131).

4. A folding cart according to claim 1, wherein: the support leg piece (125) is a U-shaped support leg, and the U-shaped support leg comprises a support cross rod (1251), a first support rod (1252) connected to one end of the support cross rod (1251), and a second support rod (1253) connected to the other end of the support cross rod (1251); the first support rod (1252) and the second support rod (1253) are hinged to the lower bracket (12).

5. A folding cart according to claim 4, wherein: the support leg piece (125) is provided with an elastic buckle (1254), and the lower bracket (12) is provided with a clamping groove (126) for clamping the elastic buckle (1254); when the support leg piece (125) is positioned on the inner side of the lower bracket (12), the elastic buckle (1254) is clamped in the clamping groove (126).

6. A folding cart according to claim 3, wherein: the bottom of lower carriage (12) is provided with clamping seat (124), clamping seat (124) have be used for confession gag lever post (15) card income joint groove (1241).

7. A method according to claim 3, characterized in that: the limiting structure is characterized in that the limiting rod (15) is arranged, and the supporting leg pieces (125) are outwards turned and can be abutted to the limiting rod (15).

8. A folding cart according to claim 2, wherein: the folding frame (1) is further provided with handrail components (14) corresponding to the connecting rod groups (13) one by one, each handrail component (14) comprises a handrail sliding seat (141) and a handrail rod (142), each handrail sliding seat (141) is slidably installed on each side support (11), each handrail rod (142) is rotatably installed on each first connecting rod (131), one end of each handrail rod (142) is hinged to each handrail sliding seat (141), and each handrail part (1421) is formed at the other end of each handrail rod (142).

9. A folding cart according to claim 1, wherein: the side bracket (11) comprises a fixed bracket (111), an armrest frame (112) and a rotary clamping piece (113) for connecting the fixed bracket (111) and the armrest frame (112); the lower bracket (12) and the connecting rod group (13) are both connected to the fixing frame (111).