CN210591994U - Foldable cart - Google Patents

Foldable cart Download PDF

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Publication number
CN210591994U
CN210591994U CN201921319255.9U CN201921319255U CN210591994U CN 210591994 U CN210591994 U CN 210591994U CN 201921319255 U CN201921319255 U CN 201921319255U CN 210591994 U CN210591994 U CN 210591994U
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CN
China
Prior art keywords
rods
rotatably connected
rod
connecting rod
bracket
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Expired - Fee Related
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CN201921319255.9U
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Chinese (zh)
Inventor
崔宽峻
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Campvalley Co Ltd
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Campvalley Co Ltd
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Priority to CN201921319255.9U priority Critical patent/CN210591994U/en
Application granted granted Critical
Publication of CN210591994U publication Critical patent/CN210591994U/en
Priority to PCT/CN2020/108395 priority patent/WO2021027808A1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
  • Handcart (AREA)

Abstract

The utility model discloses a collapsible shallow, include: the device comprises a left bracket, a right bracket, a front upper connecting rod, a front lower connecting rod, a rear upper connecting rod, a rear lower connecting rod, support rods, a connecting piece, a sliding piece and at least one connecting rod, wherein the sliding piece is respectively sleeved on one support rod in a sliding manner; the other end of the front upper connecting rod is respectively and rotatably connected with two ends of one connecting piece, one end of one supporting rod is fixedly arranged in the middle of one connecting piece, and two ends of one connecting rod are respectively and rotatably connected to the sliding piece sleeved on one supporting rod and one front lower connecting rod or one rear lower connecting rod; the other end of connecting rod rotationally connects in the both ends of another connecting piece respectively in the back, and the one end of another bracing piece sets firmly in the middle part of another connecting piece, the utility model has the characteristics of folding facility, deposit, packing and transportation are convenient.

Description

Foldable cart
Technical Field
The utility model belongs to the technical field of the goods shallow technique and specifically relates to indicate a collapsible shallow.
Background
The trolley is a trolley which is convenient for transporting a small amount of goods in a short distance, and is a tool which is commonly used in daily life, particularly leisure, travel, shopping, delivery and even business trips.
The conventional cart generally includes a frame, a handle bar mounted on the frame, and casters mounted on the bottom of the frame. However, the existing trolley can not be folded, has large volume, occupies space and is inconvenient to store, package or transport.
In view of the above, the present inventors have made extensive studies and studies to develop and design the present invention in view of the above disadvantages and inconveniences.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a folding shallow that is folding convenient, simple structure and deposits, pack and transport convenience.
In order to achieve the above object, the technical solution of the present invention is:
a foldable cart, comprising: the device comprises a left support, a right support, two front upper connecting rods, two front lower connecting rods, two rear upper connecting rods, two rear lower connecting rods, two supporting rods, two connecting pieces, at least one sliding piece and at least one connecting rod, wherein the sliding pieces are respectively sleeved on one of the supporting rods in a sliding manner, and the lower ends of the left support and the right support are provided with trundles; one end of the front upper connecting rod is respectively and rotatably connected to the left bracket and the right bracket, the other end of the front upper connecting rod is respectively and rotatably connected to two ends of one connecting piece, one end of the front lower connecting rod is respectively and rotatably connected to the left bracket and the right bracket, one end of one supporting rod is fixedly arranged in the middle of one connecting piece, the other end of the front lower connecting rod is respectively and rotatably connected to the other end of one supporting rod, and two ends of one connecting rod are respectively and rotatably connected to a sliding piece sleeved on one supporting rod and one front lower connecting rod or one rear lower connecting rod; the one end of connecting rod is rotationally connected in left socle and right branch frame respectively in the back, the other end of connecting rod is rotationally connected in the both ends of another connecting piece respectively in the back, the one end of connecting rod is rotationally connected in left socle and right branch frame respectively down in the back, and the one end of another bracing piece sets firmly in the middle part of another connecting piece, the other end of connecting rod is rotationally connected in the other end of another bracing piece respectively down in the back.
The foldable cart further comprises a plurality of bottom support rods which are arranged at even intervals, and two ends of each bottom support rod are respectively fixedly connected between the front lower connecting rod and the rear lower connecting rod.
The foldable cart further comprises a retractable push rod, the lower end of the push rod is rotatably and fixedly arranged at the lower end of the left support, and a clamping piece capable of clamping the push rod is fixedly arranged at the upper end of the left support.
The quantity of truckle is four, and wherein two truckles set firmly in the lower extreme of right branch frame through truckle frame interval, and two other truckles set firmly in the lower extreme of left branch frame and the lower extreme of push rod through truckle frame interval, the dislocation sets between the truckle.
The number of the linkage rods is four, one end of each two linkage rods is respectively and rotatably connected to the two sides of the sliding part, the other ends of the two linkage rods are respectively and rotatably connected to the front lower connecting rod, and the other ends of the other two linkage rods are respectively and rotatably connected to the rear lower connecting rod.
A foldable cart, comprising: the device comprises a left support, a right support, two front upper connecting rods, two front lower connecting rods, two rear upper connecting rods, two rear lower connecting rods, two supporting rods, two connecting pieces, at least one sliding piece and at least one connecting rod, wherein the sliding pieces are respectively sleeved on one of the supporting rods in a sliding manner, and the lower ends of the left support and the right support are provided with trundles; one end of the front upper connecting rod is respectively and rotatably connected to the left bracket and the right bracket, the other end of the front upper connecting rod is respectively and rotatably connected to two ends of one connecting piece, one end of the front lower connecting rod is respectively and rotatably connected to the left bracket and the right bracket, one end of one supporting rod is fixedly arranged in the middle of one connecting piece, the other end of the front lower connecting rod is respectively and rotatably connected to the other end of one supporting rod, and two ends of one connecting rod are respectively and rotatably connected to a sliding piece sleeved on one supporting rod and one front upper connecting rod or one rear upper connecting rod; the one end of connecting rod is rotationally connected in left socle and right branch frame respectively in the back, the other end of connecting rod is rotationally connected in the both ends of another connecting piece respectively in the back, the one end of connecting rod is rotationally connected in left socle and right branch frame respectively down in the back, and the one end of another bracing piece sets firmly in the middle part of another connecting piece, the other end of connecting rod is rotationally connected in the other end of another bracing piece respectively down in the back.
The foldable cart further comprises a plurality of bottom support rods which are arranged at even intervals, and two ends of each bottom support rod are respectively fixedly connected between the front lower connecting rod and the rear lower connecting rod.
The foldable cart further comprises a retractable push rod, the lower end of the push rod is rotatably and fixedly arranged at the lower end of the left support, and a clamping piece capable of clamping the push rod is fixedly arranged at the upper end of the left support.
The quantity of truckle is four, and wherein two truckles set firmly in the lower extreme of right branch frame through truckle frame interval, and two other truckles set firmly in the lower extreme of left branch frame and the lower extreme of push rod through truckle frame interval, the dislocation sets between the truckle.
The number of the linkage rods is four, one end of each two linkage rods is respectively and rotatably connected to the two sides of the sliding part, the other ends of the two linkage rods are respectively and rotatably connected to the front upper connecting rod, and the other ends of the other two linkage rods are respectively and rotatably connected to the rear upper connecting rod.
After the proposal is adopted, the utility model adopts the structural design of the front upper connecting rod, the front lower connecting rod, the rear upper connecting rod, the rear lower connecting rod, the supporting rod, the connecting piece, the sliding piece and the linkage rod, wherein the front upper connecting rod is connected together through the connecting piece, the rear upper connecting rod is also connected together through the connecting piece, the supporting rod is connected with the front lower connecting rod or the rear lower connecting rod, the sliding piece can slide on the supporting rod, one end of the linkage rod is connected with the sliding piece, the other end of the linkage rod is respectively connected with the front upper connecting rod or the rear upper connecting rod, or the other end of the linkage rod is respectively connected with the front lower connecting rod or the rear lower connecting rod, thereby when the utility model is folded, a user lifts the connecting piece upwards, the front upper connecting rod and the rear upper connecting rod pull the left bracket and the right bracket to approach each other, the other, preceding connecting rod and back lower connecting rod pulling left socle are close to each other with the right branch frame orientation, make the trace be close to the bracing piece gradually, until folding completely, consequently the utility model has the characteristics of folding facility, simple structure just deposit, packing and transport convenience.
Drawings
Fig. 1 is a usage status diagram of a first embodiment of the present invention;
fig. 2 is a perspective view of a first embodiment of the present invention;
fig. 3 is a schematic folding view of a first embodiment of the present invention;
fig. 4 is a folded back perspective view of a first embodiment of the present invention;
FIG. 5 is a front view of FIG. 2;
FIG. 6 is a front view of FIG. 3;
FIG. 7 is a front view of FIG. 4;
fig. 8 is a perspective view of a second embodiment of the present invention;
FIG. 9 is a front view of FIG. 8;
fig. 10 is a folding schematic diagram of a second embodiment of the present invention.
[ notation ] to show
Left support 1 and right support 2
Front upper connecting rod 3 and front lower connecting rod 4
Rear upper connecting rod 5 and rear lower connecting rod 6
Connecting piece 8 of support rod 7
Sliding part 9 and linkage rod 10
Caster 11 caster frame 12
Bottom support rod 13 push rod 14
Single rod 141 button seat 142
Handle 143
The clamp 01 encloses a chamber 02.
Detailed Description
To achieve the above objects and advantages, the preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Example one
Referring to fig. 1 to 7, the present invention discloses a foldable cart, comprising: the device comprises a left support 1, a right support 2, two front upper connecting rods 3, two front lower connecting rods 4, two rear upper connecting rods 5, two rear lower connecting rods 6, two supporting rods 7, two connecting pieces 8, at least one sliding piece 9 and at least one connecting rod 10, wherein the sliding pieces 9 are respectively sleeved on one supporting rod 7 in a sliding manner, and the lower ends of the left support 1 and the right support 2 are provided with trundles 11; one end of the front upper connecting rod 3 is respectively and rotatably connected to the left support 1 and the right support 2, the other end of the front upper connecting rod 3 is respectively and rotatably connected to two ends of one connecting piece 8, one end of the front lower connecting rod 4 is respectively and rotatably connected to the left support 1 and the right support 2, one end of one supporting rod 7 is fixedly arranged in the middle of one connecting piece 8, the other end of the front lower connecting rod 4 is respectively and rotatably connected to the other end of one supporting rod 7, and two ends of one connecting rod 10 are respectively and rotatably connected to the sliding piece 9 sleeved on one supporting rod 7 and one front lower connecting rod 4 or one rear lower connecting rod 6; one end of the rear upper connecting rod 5 is rotatably connected to the left bracket 1 and the right bracket 2, the other end of the rear upper connecting rod 5 is rotatably connected to two ends of another connecting member 8, one end of the rear lower connecting rod 6 is rotatably connected to the left bracket 1 and the right bracket 2, one end of another supporting rod 7 is fixedly arranged in the middle of another connecting member 8, the other end of the rear lower connecting rod 6 is rotatably connected to the other end of another supporting rod 7, when in use, as shown in fig. 1, a surrounding plate chamber 02 can be fixedly arranged in the utility model to prevent goods from falling out, wherein the cross section of the connecting member 8 is U-shaped, the left bracket 1 and the right bracket 2 are rectangular, when the number of the sliding members 9 is two, and when the number of the linkage rods 10 is two, two ends of one of the linkage rods 10 can be rotatably connected to the sliding members 9 sleeved on one of the supporting rods 7 and one of the front lower connecting rods 4, two ends of the other linking rod 10 can be respectively and rotatably connected to the sliding part 9 sleeved on the other supporting rod 7 and one of the rear lower connecting rods 6.
In this embodiment, the number of the linkage bars 10 can be four, but not limited thereto, one end of each two linkage bars 10 is respectively rotatably connected to the two sides of the sliding member 9, wherein the other ends of the two linkage bars 10 are respectively rotatably connected to the front lower connecting rod 4, and the other ends of the other two linkage bars 10 are respectively rotatably connected to the rear lower connecting rod 6, thereby enabling the folding of the utility model to be faster and smoother.
Further, the utility model discloses can also include the end support pole 137 that many even intervals set up, the both ends of end support pole 137 are connected respectively and are fixed in before connecting rod 4 down and back down between the connecting rod 6, improve the utility model discloses the support intensity of bottom.
Furthermore, in order to facilitate the pushing of the present invention, the utility model can further comprise a retractable push rod 14, the lower end of the push rod 14 is rotatably fixed at the lower end of the left bracket 1, the upper end of the left bracket 1 is fixedly provided with a clamping member 01 capable of clamping the push rod 14, when the utility model is required to be folded, the push rod 14 can be clamped in the clamping member 01, in order to facilitate the user to hold and push the utility model, the upper end of the push rod 14 can be fixedly provided with a handle 143, wherein, the push rod 14 can comprise two single rods 141 and a button seat 142 which are mutually spliced, the user can retract one of the single rods 141 into the other single rod 141 by pressing the button on the button seat 142, thereby realizing the retraction of the push rod 14, when the utility model is required to be used, one of the single rods 141 is pulled to separate from the other single rod 141 to the designated position, the two single rods 141 are positioned and fixed by the button ejection of the button seat 142.
In this embodiment, the quantity of truckle 11 can be four, and wherein two truckles 11 set firmly in the lower extreme of right branch frame 2 through truckle frame 12 interval, and two other truckles 11 set firmly in the lower extreme of left socle 1 and the lower extreme of push rod 14 through truckle frame 12 interval, dislocation set between the truckle 11, thereby when folding the utility model discloses the time, truckle 11 can misplace and set up together side by side, further reduce folding back the utility model discloses a volume.
Example two
Referring to fig. 8 to 10, the present invention discloses a foldable cart, which is different from the first embodiment in that: in this embodiment, two ends of one of the linkage rods 10 are respectively and rotatably connected to the sliding member 9 sleeved on one of the support rods 7 and one of the front upper connecting rods 3 or one of the rear upper connecting rods 5; one end of the rear upper connecting rod 5 is rotatably connected to the left bracket 1 and the right bracket 2, the other end of the rear upper connecting rod 5 is rotatably connected to both ends of the other connecting member 8, one end of the rear lower connecting rod 6 is rotatably connected to the left bracket 1 and the right bracket 2, one end of the other supporting rod 7 is fixedly disposed at the middle portion of the other connecting member 8, the other end of the rear lower connecting rod 6 is rotatably connected to the other end of the other supporting rod 7, when the number of the sliding members 9 is two and the number of the linkage rods 10 is two, both ends of one of the linkage rods 10 can be rotatably connected to the sliding member 9 sleeved on one of the supporting rods 7 and one of the front upper connecting rods 3, and both ends of the other linkage rod 10 can be rotatably connected to the sliding member 9 sleeved on the other supporting rod 7 and one of the rear upper connecting rods 5, however, in this embodiment, the number of the linking rods 10 may be four, wherein the other ends of two linking rods 10 are respectively rotatably connected to the front upper connecting rod 3, and the other ends of the other two linking rods 10 are respectively rotatably connected to the rear upper connecting rod 5.
To sum up, the utility model adopts the structural design of the front upper connecting rod 3, the front lower connecting rod 4, the rear upper connecting rod 5, the rear lower connecting rod 6, the supporting rod 7, the connecting piece 8, the sliding piece 9 and the linkage rod 10, wherein the front upper connecting rod 3 is connected together through the connecting piece 8, the rear upper connecting rod 5 is also connected together through the connecting piece 8, the supporting rod 7 is connected with the connecting piece 8 and the front lower connecting rod 4 or the rear lower connecting rod 6, the sliding piece 9 can slide on the supporting rod 7, one end of the linkage rod 10 is connected with the sliding piece 9, the other end of the linkage rod 10 is respectively connected with the front upper connecting rod 3 or the rear upper connecting rod 5, or the other end of the linkage rod 10 is respectively connected with the front lower connecting rod 4 or the rear lower connecting rod 6, so that when the utility model is folded, a user lifts the connecting piece 8, the front upper connecting rod 3 and the rear upper connecting rod 5, the supporting rod 7 pulls the other ends of the front lower connecting rod 4 and the rear lower connecting rod 6 to lift up, the front lower connecting rod 4 and the rear lower connecting rod 6 pull the left bracket 1 and the right bracket 2 to approach each other, so that the linkage rod 10 gradually approaches the supporting rod 7 until the folding is completed, therefore, the utility model has the characteristics of convenient folding, simple structure and convenient storage, packaging and transportation, otherwise, when the utility model needs to be unfolded, a user presses down the connecting piece 8, the front upper connecting rod 3 and the rear upper connecting rod 5 push the left bracket 1 and the right bracket 2 to be away from each other, the supporting rod 7 pushes the other ends of the front lower connecting rod 4 and the rear lower connecting rod 6 to be pressed down, the front lower connecting rod 4 and the rear lower connecting rod 6 push the left bracket 1 and the right bracket 2 to be away from each other, the linkage rod 10 is gradually far away from the supporting rod 7 until the linkage rod 10, the supporting rod 7, or the linkage rod 10, the support rod 7 and the rear upper connecting rod 5 form a right-angled triangle support, or the linkage rod 10, the support rod 7 and the front lower connecting rod 4 form a right-angled triangle support, or the linkage rod 10, the support rod 7 and the rear lower connecting rod 6 form a right-angled triangle support.
The technical content and technical features of the present invention have been revealed as above, the present invention is not limited to the above, the connection between the components of the present invention can be riveted or through a screw lock, and the technicians in this field can still make various replacements and decorations without departing from the spirit of the present invention based on the present invention. Therefore, the protection scope of the present invention should not be limited to the embodiments disclosed, but should include various alternatives and modifications without departing from the invention, and be covered by the claims.

Claims (10)

1.一种可折叠推车，其特征在于，包括：一左支架、一右支架、二前上连接杆、二前下连接杆、二后上连接杆、二后下连接杆、二支撑杆、二连接件、至少一滑动件及至少一连动杆，所述滑动件分别可滑动地套设于其中一支撑杆上，所述左支架及右支架的下端设有脚轮；1. A foldable cart, characterized in that it comprises: a left bracket, a right bracket, two front upper connecting rods, two front lower connecting rods, two rear upper connecting rods, two rear lower connecting rods, two supporting rods , two connecting pieces, at least one sliding piece and at least one linkage rod, the sliding pieces are respectively slidably sleeved on one of the supporting rods, and the lower ends of the left bracket and the right bracket are provided with casters; 所述前上连接杆的一端分别可转动地连接于左支架及右支架，所述前上连接杆的另一端分别可转动地连接于其中一连接件的两端，所述前下连接杆的一端分别可转动地连接于左支架及右支架，其中一支撑杆的一端固设于其中一连接件的中部，所述前下连接杆的另一端分别可转动地连接于其中一支撑杆的另一端，其中一连动杆的两端分别可转动地连接于套设于其中一支撑杆上的滑动件与其中一前下连接杆或其中一后下连接杆上；One end of the front upper connecting rod is rotatably connected to the left bracket and the right bracket respectively, and the other end of the front upper connecting rod is rotatably connected to the two ends of one of the connecting pieces, respectively. One end is rotatably connected to the left bracket and the right bracket respectively, one end of a support rod is fixed in the middle of one of the connecting pieces, and the other ends of the front and lower connecting rods are respectively rotatably connected to the other end of one of the support rods. one end, two ends of one of the linkage rods are respectively rotatably connected to the sliding piece sleeved on one of the support rods and one of the front and lower connecting rods or one of the rear and lower connecting rods; 所述后上连接杆的一端分别可转动地连接于左支架及右支架，所述后上连接杆的另一端分别可转动地连接于另一连接件的两端，所述后下连接杆的一端分别可转动地连接于左支架及右支架，另一支撑杆的一端固设于另一连接件的中部，所述后下连接杆的另一端分别可转动地连接于另一支撑杆的另一端。One end of the rear upper connecting rod is rotatably connected to the left bracket and the right bracket respectively, and the other end of the rear upper connecting rod is rotatably connected to the two ends of the other connecting piece, respectively. One end is rotatably connected to the left bracket and the right bracket respectively, one end of the other support rod is fixed in the middle of the other connecting piece, and the other end of the rear lower connecting rod is respectively rotatably connected to the other end of the other support rod. one end. 2.如权利要求1所述一种可折叠推车，其特征在于：还包括多根均匀间隔设置的底支撑杆，所述底支撑杆的两端分别连接固定于前下连接杆与后下连接杆之间。2 . The foldable cart according to claim 1 , further comprising a plurality of bottom support rods arranged at even intervals, and two ends of the bottom support rods are respectively connected and fixed to the front and lower connecting rods and the rear lower connecting rods. 3 . between connecting rods. 3.如权利要求1或2所述一种可折叠推车，其特征在于：还包括一可收缩的推杆，所述推杆的下端可转动地固设于左支架的下端，所述左支架的上端固设有一可夹持推杆的夹固件。3. The foldable cart according to claim 1 or 2, further comprising a retractable push rod, the lower end of the push rod is rotatably fixed to the lower end of the left bracket, the left The upper end of the bracket is fixed with a clamp which can clamp the push rod. 4.如权利要求3所述一种可折叠推车，其特征在于：所述脚轮的数量为四，其中两脚轮通过脚轮架间隔固设于右支架的下端，另外两脚轮通过脚轮架间隔固设于左支架的下端及推杆的下端，所述脚轮之间错位设置。4. The foldable cart according to claim 3, wherein the number of said casters is four, wherein two casters are fixed at the lower end of the right bracket through the caster frame, and the other two casters are fixed at intervals through the caster frame It is arranged on the lower end of the left bracket and the lower end of the push rod, and the casters are arranged in a staggered position. 5.如权利要求1所述一种可折叠推车，其特征在于：所述连动杆的数量为四，每两连动杆的一端分别可转动地连接于滑动件的两侧，其中两连动杆的另一端分别可转动地连接于前下连接杆上，另两连动杆的另一端分别可转动地连接于后下连接杆上。5 . The foldable cart according to claim 1 , wherein the number of the linkage rods is four, and one end of every two linkage rods is rotatably connected to both sides of the sliding member, wherein two of the linkage rods are rotatably connected. The other ends of the linking rods are respectively rotatably connected to the front and lower connecting rods, and the other ends of the other two linking rods are respectively rotatably connected to the rear lower connecting rods. 6.一种可折叠推车，其特征在于，包括：一左支架、一右支架、二前上连接杆、二前下连接杆、二后上连接杆、二后下连接杆、二支撑杆、二连接件、至少一滑动件及至少一连动杆，所述滑动件分别可滑动地套设于其中一支撑杆上，所述左支架及右支架的下端设有脚轮；6. A foldable cart, characterized in that it comprises: a left bracket, a right bracket, two front upper connecting rods, two front lower connecting rods, two rear upper connecting rods, two rear lower connecting rods, and two supporting rods , two connecting pieces, at least one sliding piece and at least one linkage rod, the sliding pieces are respectively slidably sleeved on one of the supporting rods, and the lower ends of the left bracket and the right bracket are provided with casters; 所述前上连接杆的一端分别可转动地连接于左支架及右支架，所述前上连接杆的另一端分别可转动地连接于其中一连接件的两端，所述前下连接杆的一端分别可转动地连接于左支架及右支架，其中一支撑杆的一端固设于其中一连接件的中部，所述前下连接杆的另一端分别可转动地连接于其中一支撑杆的另一端，其中一连动杆的两端分别可转动地连接于套设于其中一支撑杆上的滑动件与其中一前上连接杆或其中一后上连接杆上；One end of the front upper connecting rod is rotatably connected to the left bracket and the right bracket respectively, and the other end of the front upper connecting rod is rotatably connected to the two ends of one of the connecting pieces, respectively. One end is rotatably connected to the left bracket and the right bracket respectively, one end of a support rod is fixed in the middle of one of the connecting pieces, and the other ends of the front and lower connecting rods are respectively rotatably connected to the other end of one of the support rods. one end, two ends of one of the linkage rods are respectively rotatably connected to the sliding piece sleeved on one of the support rods and one of the front upper connecting rods or one of the rear upper connecting rods; 所述后上连接杆的一端分别可转动地连接于左支架及右支架，所述后上连接杆的另一端分别可转动地连接于另一连接件的两端，所述后下连接杆的一端分别可转动地连接于左支架及右支架，另一支撑杆的一端固设于另一连接件的中部，所述后下连接杆的另一端分别可转动地连接于另一支撑杆的另一端。One end of the rear upper connecting rod is rotatably connected to the left bracket and the right bracket respectively, and the other end of the rear upper connecting rod is rotatably connected to the two ends of the other connecting piece, respectively. One end is rotatably connected to the left bracket and the right bracket respectively, one end of the other support rod is fixed in the middle of the other connecting piece, and the other end of the rear lower connecting rod is respectively rotatably connected to the other end of the other support rod. one end. 7.如权利要求6所述一种可折叠推车，其特征在于：还包括多根均匀间隔设置的底支撑杆，所述底支撑杆的两端分别连接固定于前下连接杆与后下连接杆之间。7. A foldable cart according to claim 6, characterized in that it further comprises a plurality of bottom support rods arranged at even intervals, and the two ends of the bottom support rod are respectively connected and fixed to the front and lower connecting rods and the rear lower connecting rods. between connecting rods. 8.如权利要求6或7所述一种可折叠推车，其特征在于：还包括一可收缩的推杆，所述推杆的下端可转动地固设于左支架的下端，所述左支架的上端固设有一可夹持推杆的夹固件。8. A foldable cart according to claim 6 or 7, further comprising a retractable push rod, the lower end of the push rod is rotatably fixed to the lower end of the left bracket, and the left The upper end of the bracket is fixed with a clamp which can clamp the push rod. 9.如权利要求8所述一种可折叠推车，其特征在于：所述脚轮的数量为四，其中两脚轮通过脚轮架间隔固设于右支架的下端，另外两脚轮通过脚轮架间隔固设于左支架的下端及推杆的下端，所述脚轮之间错位设置。9 . The foldable cart according to claim 8 , wherein the number of said casters is four, wherein two casters are fixed at the lower end of the right bracket through the caster frame, and the other two casters are fixed at intervals through the caster frame. 10 . It is arranged on the lower end of the left bracket and the lower end of the push rod, and the casters are arranged in a staggered position. 10.如权利要求6所述一种可折叠推车，其特征在于：所述连动杆的数量为四，每两连动杆的一端分别可转动地连接于滑动件的两侧，其中两连动杆的另一端分别可转动地连接于前上连接杆上，另两连动杆的另一端分别可转动地连接于后上连接杆上。10 . The foldable cart according to claim 6 , wherein the number of the linkage rods is four, and one end of every two linkage rods is rotatably connected to both sides of the sliding member, wherein two of the linkage rods are rotatably connected. The other ends of the linking rods are respectively rotatably connected to the front upper connecting rods, and the other ends of the other two linking rods are respectively rotatably connected to the rear upper connecting rods.
CN201921319255.9U 2019-08-14 2019-08-14 Foldable cart Expired - Fee Related CN210591994U (en)

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