CN213619923U - Cart frame capable of automatically folding - Google Patents
Cart frame capable of automatically folding Download PDFInfo
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- CN213619923U CN213619923U CN202022896025.8U CN202022896025U CN213619923U CN 213619923 U CN213619923 U CN 213619923U CN 202022896025 U CN202022896025 U CN 202022896025U CN 213619923 U CN213619923 U CN 213619923U
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Abstract
The utility model discloses a trolley frame capable of automatically folding, relating to the technical field of trolleys, comprising a handrail, an upper bracket, a front wheel bracket, a rear wheel bracket, a seat frame and a surrounding frame, wherein the handrail is rotatably connected with the upper bracket through a first folding device; the enclosure frame, the seat frame, the upper support, the front wheel support and the rear wheel support are rotatably connected through a second folding device, and the seat frame is movably connected with the front wheel support, the rear wheel support and the upper support through a connecting rod structure. The utility model relates to a rationally, convenient to use, folding process is simple and easy, can operate by one hand, and is folding convenient and fast more.
Description
Technical Field
The utility model relates to a technical field of handcart, concretely relates to can receive shallow frame of car automatically.
Background
Most of the handcart has a folding function, the folding structure parts of the common handcart frame are more, the folding process is tedious, the operation is not easy, the single-hand folding cannot be realized, and the inconvenience is brought to a user.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a can receive shallow frame of car automatically to solve the problem that provides in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a trolley frame capable of automatically folding comprises a handrail, an upper bracket, a front wheel bracket, a rear wheel bracket, a seat frame and a surrounding frame, wherein the handrail is rotatably connected with the upper bracket through a first folding device; the enclosure frame, the seat frame, the upper support, the front wheel support and the rear wheel support are rotatably connected through a second folding device, and the seat frame is movably connected with the front wheel support, the rear wheel support and the upper support through a connecting rod structure.
Preferably, the first folding device comprises a first connecting sleeve, a cushion block, a tooth block, a clamping ring and a second connecting sleeve, the first connecting sleeve is fixedly connected with the handrail, a connecting shaft is arranged in the middle of the first connecting sleeve, the cushion block, the tooth block and the clamping ring are sequentially sleeved on the connecting shaft, a spring is arranged between the tooth block and the clamping ring, the second connecting sleeve is connected to the outer side of the clamping ring, and the second connecting sleeve is fixedly connected with the upper support.
Preferably, the first connecting sleeve and the second connecting sleeve are both provided with gear teeth matched with the gear block, and two ends of the gear block are respectively arranged in the gear teeth of the first connecting sleeve and the second connecting sleeve; the first connecting sleeve is internally provided with an oblique block, the edge of the first connecting sleeve is provided with a stop block, the inner side of the cushion block is provided with an oblique groove matched with the oblique block, one end of the snap ring is provided with a separation blade, and the separation blade penetrates through the tooth block and is in contact with the inner end face of the first connecting sleeve.
Preferably, a button is arranged at the top of the handrail, a brake cable connected with the button is arranged in the handrail, and one end of the brake cable is connected with the cushion block; the inside floodgate line that is connected with the snap ring that is equipped with of upper bracket, the floodgate line other end is connected with the second folding device.
Preferably, the second folding device includes a first rotating shaft, a first connecting ring, a second connecting ring, a third connecting ring, and a first rotating sleeve, the first rotating shaft is fixedly connected to one end of the seat frame, the first rotating shaft is sleeved with the first connecting ring, the first connecting ring is fixedly connected to the enclosure frame, a second connecting ring is disposed outside the first connecting ring, the second connecting ring is fixedly connected to the upper bracket, the third connecting ring is disposed outside the second connecting ring, the third connecting ring is fixedly connected to the front wheel bracket, the first rotating sleeve is disposed outside the third connecting ring, and the first rotating sleeve is fixedly connected to the rear wheel bracket.
Preferably, a groove is formed in the upper end of the second connecting ring, a clamping block is arranged in the groove, a spring is arranged above the clamping block, and the lower end of the brake cable connected with the clamping ring is connected with the upper end of the clamping block.
Preferably, the first rotating shaft, the second connecting ring, the third connecting ring and the first rotating sleeve are provided with openings at upper ends thereof, and the fixture block is mounted in the openings at the upper ends of the first rotating shaft, the second connecting ring, the third connecting ring and the first rotating sleeve.
Preferably, the connecting rod structure comprises a first connecting rod, a second connecting rod and a third connecting rod, the seat frame is movably connected with the first connecting rod, the lower end of the first connecting rod is movably connected with the middle part of the second connecting rod, one end of the second connecting rod is movably connected with the third connecting ring, the other end of the second connecting rod is movably connected with the third connecting rod and the first rotating sleeve, and the other end of the third connecting rod is movably connected with the second connecting ring.
Preferably, the lower end of the third connecting rod is fixedly connected with a pressing block.
The utility model has the advantages that: the utility model discloses a can receive shallow frame of car automatically, reasonable in design, convenient to use, through pressing the button on the handrail, the folding of handrail and upper bracket is realized to the first folding device of unblock, unblock second folding device simultaneously, rethread connecting rod structure is rotatory with the cooperation of seat frame, front wheel support, rear wheel support respectively, realize enclosing the automatic folding between frame, seat frame, upper bracket, front wheel support, the rear wheel support, folding process is simple and easy, but the one-hand operation, it is folding convenient and fast more.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention in a folded state;
fig. 3 is an exploded view of the first folding device of the present invention;
fig. 4 is an exploded view of a second folding device of the present invention;
fig. 5 is an exploded view of a second folding device of the present invention;
fig. 6 is a schematic view of the connection structure of the present invention.
In the figure: 1-a handrail, 2-a top rest, 3-a front wheel rest, 4-a rear wheel rest, 5-a seat frame, 6-a surround frame, 7-a first folding device, 8-a second folding device, 71-a first connecting sleeve, 72-a spacer block, 73-a tooth block, 74-a snap ring, 75-a second connecting sleeve, 9-a spring, 711-a ramp block, 712-a stop block, 721-a ramp notch, 741-a stop tab, 10-a button, 11-a brake line, 81-a first rotation axis, 82-a first connecting ring, 83-a second connecting ring, 84-a third connecting ring, 85-a first rotation sleeve, 831-a notch, 12-a snap block, 13-a notch, 14-a first connecting rod, 15-a second connecting rod, 16-a third connecting rod, and 17-briquetting.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-5, a stroller frame capable of automatically folding comprises a handrail 1, an upper bracket 2, a front wheel bracket 3, a rear wheel bracket 4, a seat frame 5 and a surrounding frame 6, wherein the handrail 1 is rotatably connected with the upper bracket 2 through a first folding device 7; enclose frame 6, seat frame 5, upper bracket 2, front wheel support 3, rear wheel support 4 and be rotatable coupling through second folding device 8, seat frame 5 is through link structure and front wheel support 3, rear wheel support 4, upper bracket 2 swing joint.
In this embodiment, the first folding device 7 includes a first connecting sleeve 71, a cushion block 72, a tooth block 73, a snap ring 74, and a second connecting sleeve 75, the first connecting sleeve 71 is fixedly connected to the handrail 1, a connecting shaft is disposed in the middle of the first connecting sleeve 71, the cushion block 72, the tooth block 73, and the snap ring 74 are sequentially sleeved on the connecting shaft, a spring 9 is disposed between the tooth block 73 and the snap ring 74, the second connecting sleeve 75 is connected to the outer side of the snap ring 74, and the second connecting sleeve 75 is fixedly connected to the upper bracket 2; the first connecting sleeve 71 and the second connecting sleeve 75 are both provided with gear teeth matched with the gear block 73, and two ends of the gear block 73 are respectively arranged in the gear teeth of the first connecting sleeve 71 and the second connecting sleeve 75; an inclined block 711 is arranged in the first connecting sleeve 71, a stop 712 is arranged at the edge of the first connecting sleeve 71, an inclined groove 721 matched with the inclined block 711 is arranged on the inner side of the cushion block 72, a blocking piece 741 is arranged at one end of the snap ring 74, and the blocking piece 741 penetrates through the tooth block 73 to be in contact with the inner end face of the first connecting sleeve 71; the top of the handrail 1 is provided with a button 10, a brake cable 11 connected with the button 10 is arranged inside the handrail 1, and one end of the brake cable 11 is connected with the cushion block 72; the inside of the upper bracket 2 is provided with a brake cable 11 connected with the snap ring 74, and the other end of the brake cable 11 is connected with the second folding device 8. When the cart is in use, the gear blocks 73 are simultaneously clamped in the gear teeth of the first connecting sleeve 71 and the second connecting sleeve 75, and the handrail 1 and the upper bracket 2 cannot rotate; when the folding is needed, the button 10 is pressed to pull the brake cable 11, the brake cable 11 drives the cushion block 72 to rotate, the inclined groove 721 and the inclined block 711 rotate relatively, the cushion block 72 moves outwards, and then the tooth block 73 moves outwards, when the highest position of the inclined groove 721 rotates to the highest position of the inclined block 711, the tooth block 73 is completely pushed into the second connecting sleeve 75, the handrail 1 is rotated, the first connecting sleeve 71 rotates relative to the second connecting sleeve 75, when the stop 712 of the first connecting sleeve 71 rotates to the position of the stop piece 741 in the second connecting sleeve 75, the stop piece 741 is driven by the stop 712 to rotate, and the brake cable 11 connected with the stop ring 74 is rotationally pulled by the snap ring 74.
In this embodiment, the second folding device 8 includes a first rotating shaft 81, a first connecting ring 82, a second connecting ring 83, a third connecting ring 84, and a first rotating sleeve 85, where the first rotating shaft 81 is fixedly connected to one end of the seat frame 5, the first rotating shaft 81 is sleeved with the first connecting ring 82, the first connecting ring 82 is fixedly connected to the enclosure frame 6, a second connecting ring 83 is disposed on an outer side of the first connecting ring 82, the second connecting ring 83 is fixedly connected to the upper bracket 2, a third connecting ring 84 is disposed on an outer side of the second connecting ring 83, the third connecting ring 84 is fixedly connected to the front wheel bracket 3, a first rotating sleeve 85 is disposed on an outer side of the third connecting ring 84, and the first rotating sleeve 85 is fixedly connected to the rear wheel bracket 4; a groove 831 is formed in the upper end of the second connecting ring 83, a clamping block 12 is arranged in the groove 831, a spring 9 is arranged above the clamping block 12, and the lower end of the brake cable 11 connected with the clamping ring 74 is connected with the upper end of the clamping block 12; the upper ends of the first rotating shaft 81, the second connecting ring 83, the third connecting ring 84 and the first rotating sleeve 85 are all provided with openings 13, the fixture block 12 is installed in the openings 13 at the upper ends of the first rotating shaft 81, the second connecting ring 83, the third connecting ring 84 and the first rotating sleeve 85, at this time, the enclosure frame 6, the seat frame 5, the upper bracket 2, the front wheel bracket 3 and the rear wheel bracket 4 are in a locked state and cannot rotate, when the brake cable 11 is pulled by the clamp ring 7, the brake cable 11 drives the fixture block 12 to move upwards, the fixture block 12 moves out of the openings 13 at the upper ends of the first rotating shaft 81, the second connecting ring 83, the third connecting ring 84 and the first rotating sleeve 85, and then the enclosure frame 6, the seat frame 5, the upper bracket 2, the front wheel bracket 3 and the rear wheel bracket 4.
In this embodiment, the link structure includes a first link 14, a second link 15, and a third link 16, the seat frame 5 is movably connected to the first link 14, the lower end of the first link 14 is movably connected to the middle of the second link 15, one end of the second link 15 is movably connected to a third connection ring 84, the other end of the second link 15 is movably connected to the third link 16 and a first rotation sleeve 85, and the other end of the third link 16 is movably connected to a second connection ring 83; the lower end of the third connecting rod 16 is fixedly connected with a pressing block 17. When the enclosure frame 6, the seat frame 5, the upper frame 2, the front wheel support 3 and the rear wheel support 4 are in an unlocking state, the second connecting ring 83 rotates downwards to drive the third connecting rod 16 and the first rotating sleeve 85 to rotate relatively, the third connecting rod 16 is driven to rotate relatively under the action of gravity of the pressure block 17, the second connecting rod 15 drives the third connecting ring 84 to rotate relatively downwards to drive the first connecting rod 14 to rotate relatively downwards, and then the first connecting rod 14 drives the seat frame 5 to rotate relatively downwards, so that the enclosure frame 6, the seat frame 5, the upper frame 2, the front wheel support 3 and the rear wheel support 4 can be automatically folded.
The working principle of the specific embodiment is as follows: when the cart is in use, the tooth block 12 is simultaneously clamped in the teeth of the first connecting sleeve 71 and the second connecting sleeve 75, the handrail rod 1 and the upper bracket 2 cannot rotate, the clamping block 12 is positioned in the opening 13 at the upper end of the first rotating shaft 81, the second connecting ring 83, the third connecting ring 84 and the first rotating sleeve 85, and the enclosure frame 6, the seat frame 5, the upper bracket 2, the front wheel bracket 3 and the rear wheel bracket 1 are in a locking state and cannot rotate; when the folding is required, the button 10 is pressed to pull the brake cable 11, the brake cable 11 drives the cushion block 72 to rotate, the inclined groove 721 and the inclined block 711 rotate relatively, the cushion block 72 moves outwards, the tooth block 73 moves outwards, when the highest position of the inclined groove 721 rotates to the highest position of the inclined block 711, the tooth block 73 is completely pushed into the second connecting sleeve 75, the handrail 1 is rotated, the first connecting sleeve 71 rotates relative to the second connecting sleeve 75, when the stop 712 of the first connecting sleeve 71 rotates to the position of the stop piece 741 in the second connecting sleeve 75, the stop piece 741 is driven by the stop 712 to rotate, the brake ring 74 rotates to pull the brake cable 77 connected with the stop ring 77, the brake cable 77 drives the connecting ring 12 to move upwards, the brake block 12 moves out of the first rotating shaft 81, the second connecting ring 83, the third connecting ring 84 and the opening 13 at the upper end of the first rotating sleeve 85, and the surrounding frame 6, the seat frame 5, the upper support 2, the lower frame, The front wheel support 3 and the rear wheel support 4 are in an unlocking state, the upper support 2 is downward under the action of gravity, namely, the second connecting ring 83 rotates downward to drive the third connecting rod 16 and the first rotary sleeve 85 to rotate relatively, the third connecting rod 16 is driven by the action of gravity of the pressure block 17 to drive the second connecting rod 15 to rotate relatively, the second connecting rod 15 drives the third connecting ring 84 to rotate relatively downward to drive the first connecting rod 14 to rotate relatively downward, and then the first connecting rod 14 drives the seat frame 5 to rotate relatively downward, and finally, the automatic folding between the enclosure frame 6, the seat frame 5, the upper support 2, the front wheel support 3 and the rear wheel support 4 is realized.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a shallow frame that can receive car automatically which characterized in that: the foldable bicycle frame comprises a handrail (1), an upper bracket (2), a front wheel bracket (3), a rear wheel bracket (4), a seat frame (5) and a surrounding frame (6), wherein the handrail (1) is rotatably connected with the upper bracket (2) through a first folding device (7); enclose frame (6), seat frame (5), upper bracket (2), front wheel support (3), rear wheel support (4) and be rotatable coupling through second folding device (8), seat frame (5) are through connecting rod structure and front wheel support (3), rear wheel support (4), upper bracket (2) swing joint.
2. The automatic folding cart frame as claimed in claim 1, wherein: first folding device (7) include first adapter sleeve (71), cushion (72), tooth piece (73), snap ring (74), second adapter sleeve (75), first adapter sleeve (71) and handrail (1) fixed connection, first adapter sleeve (71) middle part is equipped with the connecting axle, cushion (72), tooth piece (73), snap ring (74) have been cup jointed in proper order on the connecting axle, be equipped with between tooth piece (73) and snap ring (74) spring (9), snap ring (74) outside is connected with second adapter sleeve (75), second adapter sleeve (75) and upper bracket (2) fixed connection.
3. The automatic folding cart frame as claimed in claim 2, wherein: the first connecting sleeve (71) and the second connecting sleeve (75) are both provided with gear teeth matched with the gear block (73), and two ends of the gear block (73) are respectively arranged in the gear teeth of the first connecting sleeve (71) and the second connecting sleeve (75); an inclined block (711) is arranged in the first connecting sleeve (71), a stop block (712) is arranged at the edge of the first connecting sleeve (71), an inclined groove (721) matched with the inclined block (711) is formed in the inner side of the cushion block (72), a blocking piece (741) is arranged at one end of the clamping ring (74), and the blocking piece (741) penetrates through the tooth block (73) to be in contact with the inner end face of the first connecting sleeve (71).
4. The automatic folding cart frame according to claim 3, characterized in that: the top of the handrail (1) is provided with a button (10), a brake cable (11) connected with the button (10) is arranged inside the handrail (1), and one end of the brake cable (11) is connected with the cushion block (72); the brake cable (11) connected with the snap ring (74) is arranged in the upper support (2), and the other end of the brake cable (11) is connected with the second folding device (8).
5. The automatic folding cart frame according to claim 4, characterized in that: the second folding device (8) comprises a first rotating shaft (81), a first connecting ring (82), a second connecting ring (83), a third connecting ring (84) and a first rotating sleeve (85), the first rotating shaft (81) is fixedly connected with one end of the seat frame (5), the first connecting ring (82) is sleeved on the first rotating shaft (81), the first connecting ring (82) is fixedly connected with the surrounding frame (6), the second connecting ring (83) is arranged on the outer side of the first connecting ring (82), the second connecting ring (83) is fixedly connected with the upper support (2), the third connecting ring (84) is arranged on the outer side of the second connecting ring (83), the third connecting ring (84) is fixedly connected with the front wheel support (3), the first rotating sleeve (85) is arranged on the outer side of the third connecting ring (84), and the first rotating sleeve (85) is fixedly connected with the rear wheel support (4).
6. The automatic folding cart frame according to claim 5, characterized in that: the upper end of the second connecting ring (83) is provided with a groove (831), a clamping block (12) is arranged in the groove (831), a spring (9) is arranged above the clamping block (12), and the lower end of a brake cable (11) connected with the clamping ring (74) is connected with the upper end of the clamping block (12).
7. The automatic folding cart frame according to claim 6, characterized in that: openings (13) are formed in the upper ends of the first rotating shaft (81), the second connecting ring (83), the third connecting ring (84) and the first rotating sleeve (85), and the fixture block (12) is installed in the openings (13) in the upper ends of the first rotating shaft (81), the second connecting ring (83), the third connecting ring (84) and the first rotating sleeve (85).
8. The automatic folding cart frame of claim 7, wherein: the connecting rod structure comprises a first connecting rod (14), a second connecting rod (15) and a third connecting rod (16), the seat frame (5) is movably connected with the first connecting rod (14), the lower end of the first connecting rod (14) is movably connected with the middle of the second connecting rod (15), one end of the second connecting rod (15) is movably connected with a third connecting ring (84), the other end of the second connecting rod is movably connected with the third connecting rod (16) and a first rotating sleeve (85), and the other end of the third connecting rod (16) is movably connected with a second connecting ring (83).
9. The automatic folding cart frame according to claim 8, characterized in that: and a pressing block (17) is fixedly connected to the lower end of the third connecting rod (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022896025.8U CN213619923U (en) | 2020-12-04 | 2020-12-04 | Cart frame capable of automatically folding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022896025.8U CN213619923U (en) | 2020-12-04 | 2020-12-04 | Cart frame capable of automatically folding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213619923U true CN213619923U (en) | 2021-07-06 |
Family
ID=76638825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022896025.8U Active CN213619923U (en) | 2020-12-04 | 2020-12-04 | Cart frame capable of automatically folding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213619923U (en) |
-
2020
- 2020-12-04 CN CN202022896025.8U patent/CN213619923U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A cart frame that can automatically retract the vehicle Effective date of registration: 20230329 Granted publication date: 20210706 Pledgee: Xingtai Bank Co.,Ltd. Handan Zhonghua Branch Pledgor: HANDAN YIHANG VEHICLE INDUSTRY CO.,LTD. Registration number: Y2023980036857 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |