CN207984937U - A kind of foldable frame - Google Patents
A kind of foldable frame Download PDFInfo
- Publication number
- CN207984937U CN207984937U CN201820380013.XU CN201820380013U CN207984937U CN 207984937 U CN207984937 U CN 207984937U CN 201820380013 U CN201820380013 U CN 201820380013U CN 207984937 U CN207984937 U CN 207984937U
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- CN
- China
- Prior art keywords
- seat
- rotatably connected
- frame
- armrest
- joint
- 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.)
- Expired - Fee Related
Links
- 230000001174 ascending effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Rehabilitation Tools (AREA)
Abstract
The utility model discloses a kind of foldable frames, including push rod；Handrail side lever, one end rotary type are connected to the lower end of the push rod；The other end rotary type of frame connecting seat, the handrail side lever is connected to the frame connecting seat；Fore-stock, the upper end rotary type are connected in the frame connecting seat；After-poppet, the upper end rotary type are connected in the frame connecting seat；Link assembly, the upper end rotary type are connected to the lower end of the push rod, and lower end rotary type is connected on the fore-stock and the after-poppet；Seat bar and back seat, the back seat are fixed on the link assembly, and the rear end thereof formula of the seat bar is connected on the back seat；Back seat and front stall, front stall are installed in the frame connecting seat, and the back seat rotary type is connected on the front stall, and that slides is assembled on the seat bar；Armrest seat, rotary type are connected to the handrail side lever, and the rear end of the armrest seat is connected to the back seat by a connecting piece rotary type.
Description
Technical Field
The utility model relates to a fields such as shallow specifically are a foldable frame.
Background
A hand truck (hand truck) is a transport vehicle that is manually pushed and pulled, and is the ancestor of all vehicles. Although the material handling technology of the trolley is continuously developed, the trolley is still used as an indispensable handling tool. The trolley is widely used in production and life because of its low cost, simple maintenance, convenient operation, light weight, ability to work in places where motor vehicles are not convenient to use, and convenience in carrying lighter objects in short distance.
The existing trolley is very wide in application fields, such as a child trolley, an old man trolley or a cargo trolley. When the existing trolley is used, the size and the shape of the trolley body cannot be conveniently and flexibly adjusted to meet the use requirements, and even some trolleys can partially realize the adjusting function, the existing trolley cannot be conveniently and flexibly used sometimes in the practical application process due to the limitation of each field, particularly in the aspects of stairs, ascending and descending slopes and the like. In addition, when the folding is performed, the components such as the handrail and the like are generally required to be detached, otherwise, the folding is difficult, and the occupied space is large.
Disclosure of Invention
The utility model aims at: a foldable frame is provided to solve at least one technical problem in the prior art.
The technical scheme for realizing the purpose is as follows: a folding frame comprises a push rod; the armrest side lever is connected to the lower end of the push rod in a rotating mode at one end; the other end of the handrail side rod is rotatably connected to the frame connecting seat; the upper end of the front bracket is rotatably connected to the frame connecting seat; the upper end of the rear bracket is rotatably connected to the frame connecting seat; the upper end of the connecting rod assembly is rotatably connected to the lower end of the push rod, and the lower end of the connecting rod assembly is rotatably connected to the front bracket and the rear bracket; the rear seat is fixed on the connecting rod assembly, and the rear end of the seat rod is rotatably connected to the rear seat; the front seat is mounted on the frame connecting seat, the backrest seat is rotatably connected to the front seat and is assembled on the seat rod in a sliding manner; the armrest seat, the rotary type connect in handrail side lever, the rear end of armrest seat is connected to through a connecting piece rotary type the back seat.
Further, the connecting rod assembly comprises a joint seat which is arranged at the lower end of the push rod, and one end of the handrail side rod is rotatably connected to the joint seat; the joint piece is arranged on the joint seat; the connecting rod body is connected to the joint piece in a rotating mode at one end; and the connecting rod seat is fixed on the rear support, and the other side of the connecting rod body is rotatably connected to the connecting rod seat.
Further, be connected with fixed bolster subassembly between fore-stock and the after-poppet, the one end rotary type of connecting rod body is connected to on the fixed bolster subassembly.
Furthermore, the armrest seat is provided with an armrest joint.
Further, the handrail joint is provided with a handrail connecting rod.
Further, the lower ends of the front support and the rear support are provided with rollers.
The utility model has the advantages that: the utility model discloses a folding frame, the effectual folding that has realized multiple mode, when the frame is folding, need not go the operation of parts such as handrail down alone, can fold along with the frame together, and occupation of land space is little, and is simple and easy convenient.
Drawings
The invention is further explained below with reference to the figures and examples.
Fig. 1 is a schematic structural view of a foldable frame according to an embodiment of the present invention when fully unfolded.
Fig. 2 is a schematic view of a half-folding structure of a foldable frame according to an embodiment of the present invention.
Fig. 3 is a structural schematic diagram of a foldable frame in a fully folded state according to an embodiment of the present invention.
Wherein,
1, pushing a rod; 2 handrail side rods;
3, a frame connecting seat; 4, front support;
5, a rear bracket; 6 connecting rod assembly;
7 seat post; 8, a rear seat;
9 a backrest seat; 10 a front seat;
11 armrest seats; 12 a handrail joint;
13 handrail connecting rods; 14 rollers;
15 fixing the bracket assembly; 61, a joint seat;
62 an articulation member; 63 a connecting rod body;
64 connecting rod seat.
Detailed Description
The following description of the embodiments refers to the accompanying drawings for illustrating the specific embodiments in which the invention may be practiced. In the present invention, directional terms such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc. refer to directions of the attached drawings only. Accordingly, the directional terms used are used for describing and understanding the present invention, and are not used for limiting the present invention.
Example (b): as shown in fig. 1 to 3, a folding frame comprises a push rod 1, a handrail side rod 2, a frame connecting seat 3, a front bracket 4, a rear bracket 5, a connecting rod assembly 6, a seat rod 7, a rear seat 8, a backrest seat 9, a front seat 10, a handrail seat 11, a handrail joint 12, a handrail connecting rod 13 and a roller 14.
One end of the handrail side lever 2 is rotatably connected to the lower end of the push rod 1, and the other end of the handrail side lever 2 is rotatably connected to the frame connecting seat 3; the upper end of the front bracket 4 is rotatably connected to the frame connecting seat 3; the upper end of the rear bracket 5 is rotatably connected to the frame connecting seat 3, and the frame connecting seat 3 is of a T-shaped structure; the connecting-rod assembly 6 is rotatably connected at its upper end to the lower end of the push rod 1 and at its lower end to said front and rear supports 4, 5.
The connecting rod assembly 6 comprises a joint seat 61, a joint part 62, a connecting rod body 63 and a connecting rod seat 64. Wherein, the joint seat 61 is arranged at the lower end of the push rod 1, and one end of the handrail side lever 2 is rotatably connected to the joint seat 61; the joint member 62 is mounted on the joint base 61; one end of the connecting rod body 63 is rotatably connected to the joint part 62; the link base 64 is fixed to the rear bracket 5, and the other side of the link body 63 is rotatably connected to the link base 64. The rear seat 8 is fixed on the connecting rod assembly 6, and the rear end of the seat rod 7 is rotatably connected to the rear seat 8; the front seat 10 is arranged on the frame connecting seat 3, and the backrest seat 9 is rotatably connected to the front seat 10 and is assembled on the seat rod 7 in a sliding manner; the armrest seat 11 is rotatably connected to the armrest side lever 2, and the rear end of the armrest seat 11 is rotatably connected to the backrest seat 9 through a connecting piece. The armrest seat 11 is provided with an armrest joint 12. The armrest joint 12 is provided with an armrest link 13.
A fixed bracket assembly 15 is connected between the front bracket 4 and the rear bracket 5, and one end of the connecting rod body 63 is rotatably connected to the fixed bracket assembly 15.
The lower ends of the front bracket 4 and the rear bracket 5 are provided with rollers 14.
In the present embodiment, the structure capable of realizing the rotatable connection is a connection through a rotating shaft.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A folding bicycle frame is characterized by comprising
A push rod;
the armrest side lever is connected to the lower end of the push rod in a rotating mode at one end;
the other end of the handrail side rod is rotatably connected to the frame connecting seat;
the upper end of the front bracket is rotatably connected to the frame connecting seat;
the upper end of the rear bracket is rotatably connected to the frame connecting seat;
the upper end of the connecting rod assembly is rotatably connected to the lower end of the push rod, and the lower end of the connecting rod assembly is rotatably connected to the front bracket and the rear bracket;
the rear seat is fixed on the connecting rod assembly, and the rear end of the seat rod is rotatably connected to the rear seat;
the front seat is mounted on the frame connecting seat, the backrest seat is rotatably connected to the front seat and is assembled on the seat rod in a sliding manner;
the armrest seat, the rotary type connect in handrail side lever, the rear end of armrest seat is connected to through a connecting piece rotary type the back seat.
2. The folding frame of claim 1, said link assembly including
The joint seat is arranged at the lower end of the push rod, and one end of the handrail side lever is rotatably connected to the joint seat;
the joint piece is arranged on the joint seat;
the connecting rod body is connected to the joint piece in a rotating mode at one end;
and the connecting rod seat is fixed on the rear support, and the other side of the connecting rod body is rotatably connected to the connecting rod seat.
3. The foldable frame of claim 2, wherein a fixed bracket assembly is coupled between the front bracket and the rear bracket, and wherein one end of the link body is rotatably coupled to the fixed bracket assembly.
4. The foldable frame of claim 1, wherein said armrest seat is provided with an armrest joint.
5. The foldable frame of claim 4, wherein said armrest joint has an armrest linkage mounted thereon.
6. The folding frame of claim 1 wherein said front and rear brackets are provided with rollers at their lower ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820380013.XU CN207984937U (en) | 2018-03-20 | 2018-03-20 | A kind of foldable frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820380013.XU CN207984937U (en) | 2018-03-20 | 2018-03-20 | A kind of foldable frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207984937U true CN207984937U (en) | 2018-10-19 |
Family
ID=63828435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820380013.XU Expired - Fee Related CN207984937U (en) | 2018-03-20 | 2018-03-20 | A kind of foldable frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207984937U (en) |
-
2018
- 2018-03-20 CN CN201820380013.XU patent/CN207984937U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 |