Bicycle folder with handle convenient to open
By introducing a limiting component and an opening mechanism into the bicycle folding mechanism, and utilizing the mechanical structure of a torsion spring and a ball head screw, the problem of difficulty in opening the handlebars has been solved, thus achieving convenient bicycle folding.
Patent Information
- Application Number
- CN202520093897.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-01-15
AI Technical Summary
Existing bicycle folding mechanisms are difficult to operate as the handlebars are hard to open.
A bicycle folding device is designed, comprising a first folding component, a second folding component, a handle, an opening mechanism, and a limiting component. The limiting component releases the restriction on the handle, and the opening mechanism automatically opens the handle. The mechanical structure of a torsion spring and a ball head screw enables the automatic rotation of the handle.
It enables automatic opening of the handlebars, simplifies the bicycle folding process, and improves the convenience and efficiency of operation.
Smart Images
Figure CN223574611U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a bicycle parts technical field, especially a bicycle folder convenient to open handle. BACKGROUND
[0002] In order to carry conveniently, or reduce the space occupation, many bicycles are designed to be partly or wholly foldable, and the core component adopts a folder, two parts can be foldably and movably connected through the folder, the folder on the bicycle in the prior art mostly comprises a first folding piece, a second folding piece hinged to the first folding piece, a handle and a locking block, and the folder with the above structure still has the following defects in use: when folding the bicycle, it is laborious to open the handle. UTILITARY MODEL CONTENTS
[0003] In view of the above situation, in order to overcome the defects in the prior art, the utility model aims at providing a bicycle folder convenient to open handle, solving the problem that the handle of the bicycle folder in the prior art is laborious to open when folding the bicycle.
[0004] The technical scheme solved is a bicycle folder convenient to open handle, comprising:
[0005] A first folding piece and a second folding piece hinged to the first folding piece;
[0006] A first gap is formed in the first folding piece;
[0007] A second gap is formed in the second folding piece;
[0008] A handle is rotatably installed on the first folding piece through a first rotating shaft at one end of the handle;
[0009] An opening mechanism is used to automatically open the handle;
[0010] A limiting assembly is used to remove the limitation of the handle by the limiting assembly when the first folding piece and the second folding piece are folded, and then the opening mechanism opens the handle.
[0011] Preferably, both ends of the first rotating shaft are rotatably installed on the first folding piece through bearings, and one end of the handle is fixedly installed on the first rotating shaft.
[0012] Preferably, the opening mechanism comprises a second rotating shaft rotatably installed on the second folding piece through a bearing, a torsional spring sleeved on the second rotating shaft, and a ball head screw fixedly installed on the second rotating shaft.
[0013] Preferably, an accommodating groove is formed in the handle to accommodate the second rotating shaft, the torsional spring and the ball head screw.
[0014] Preferably, one pin of the torsion spring is sleeved on the ball screw, and the other pin of the torsion spring is in contact with the handle.
[0015] Preferably, the limiting assembly comprises a sliding rod slidingly arranged in the handle, a fixed column fixedly arranged on the sliding rod, a spring sleeved on the fixed column, a clamping block fixedly arranged on the sliding rod, and an unlocking button slidingly arranged on the handle.
[0016] Preferably, a sliding groove matched with the sliding rod is formed in the handle, and a clamping groove matched with the clamping block is formed on the second rotating shaft.
[0017] Preferably, one end of the spring is fixedly arranged on the sliding rod, and the other end of the spring is fixedly arranged on the inner wall of the handle.
[0018] Preferably, a third notch for sliding of the unlocking button is formed on the sliding rod, and the contact surface of the unlocking button and the sliding rod is an inclined surface; a groove matched with the unlocking button is formed on the handle, and the groove is in communication with the sliding groove; one end of the unlocking button is fixedly arranged with a limiting plate, and the other end of the unlocking button extends to the outside of the handle; and an opening for facilitating pressing of the unlocking button is formed on the handle.
[0019] Preferably, two guide grooves are formed in the sliding rod from top to bottom, and two guide rods matched with the guide grooves are fixedly arranged on the handle from top to bottom.
[0020] Compared with the prior art, the utility model has the beneficial effects that:
[0021] When the bicycle needs to be folded, the unlocking button is pressed first, so that the clamping block enters the sliding groove and is separated from the inside of the clamping groove; at this time, the ball screw and the second rotating shaft are driven to rotate under the action of the torsion spring, the handle is synchronously rotated by the ball screw, the handle can be automatically opened, the handle is opened conveniently, the handle can be automatically opened only by pressing the unlocking button according to the utility model, and then the first folding piece and the second folding piece can be folded. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 is the three-dimensional schematic view of the utility model;
[0023] Figure 2 is the front view schematic view of the utility model;
[0024] Figure 3 is the top view schematic view of the utility model;
[0025] Figure 4 is the utility model Figure 3The schematic diagram of the section structure at AA;
[0026] Figure 5 The schematic diagram of the three-dimensional structure of the handle of the utility model is shown in the figure;
[0027] Figure 6 The schematic diagram of the partial structure of the limiting assembly of the utility model is shown in the figure;
[0028] Figure 7 The schematic diagram of the three-dimensional structure of the sliding rod of the utility model is shown in the figure;
[0029] BRIEF DESCRIPTION OF DRAWINGS: 1, the first folding piece; 2, the second folding piece; 3, the handle; 4, the opening mechanism; 5, the limiting assembly; 6, the first rotating shaft; 301, the sliding groove; 302, the opening; 401, the second rotating shaft; 402, the torsional spring; 403, the ball head screw; 501, the sliding rod; 502, the fixed column; 503, the spring; 504, the clamping block; 505, the unlocking button; 506, the guide slot; 507, the guide rod; 4011, the clamping groove; 5051, the limiting plate. DETAILED DESCRIPTION
[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0031] The specific embodiment is a bicycle folder with a handle that is easy to open, and a structure diagram is shown in the figure Figures 1-7 , which comprises a first folding piece 1, a second folding piece 2 hinged to the first folding piece 1, a first notch, a second notch, a handle 3, an opening mechanism 4 and a limiting assembly 5. The first notch is provided on the first folding piece 1, the second notch is provided on the second folding piece 2, one end of the handle 3 is rotatably installed on the first folding piece 1 through a first rotating shaft 6, the opening mechanism 4 is used to automatically open the handle 3, and the handle 3 is opened by the opening mechanism 4 after the limiting assembly 5 removes the limitation on the handle 3 when the bicycle needs to be folded.
[0032] When the bicycle needs to be folded, the limiting assembly 5 first removes the limitation on the handle 3, and the handle 3 can be opened under the action of the opening mechanism 4 when the handle 3 is no longer limited by the limiting assembly 5. The setting of the opening mechanism 4 facilitates the opening of the handle 3.
[0033] Both ends of the first rotating shaft 6 are rotatably installed on the first folding piece 1, and the first rotating shaft 6 is located inside the first notch. One end of the handle 3 is fixedly installed on the first rotating shaft 6.
[0034] The opening mechanism 4 comprises a second rotating shaft 401 rotatably installed on the second folding part 2 through a bearing, a torsion spring 402 sleeved on the second rotating shaft 401, and a ball head screw 403 fixedly installed on the second rotating shaft 401, one pin of the torsion spring 402 is sleeved on the ball head screw 403, and the other pin of the torsion spring 402 is in contact with the handle 3;
[0035] The handle 3 is internally provided with an accommodating groove for accommodating the second rotating shaft 401, the torsion spring 402 and the ball head screw 403; when the bicycle is unfolded, one end of the handle 3 is located in the first gap and the second gap, and the second rotating shaft 401, the torsion spring 402 and the ball head screw 403 are located in the accommodating groove internally provided in the handle 3;
[0036] When the bicycle is used, the first folding part 1 and the second folding part 2 are closed, and then one end of the handle 3 is rotated to the inside of the first gap and the second gap, the handle 3 is synchronously rotated by pressing the ball head screw 403 in the rotating process, the ball head screw 403 drives the second rotating shaft 401 to rotate in the rotating process, and the handle 3 is compressed in the rotating process; the handle 3 is limited by the limiting assembly 5 after one end of the handle 3 is rotated to the inside of the first gap and the second gap;
[0037] When the bicycle needs to be folded, the handle 3 is released from the limiting of the limiting assembly 5, at this time, the handle 3 is no longer compressed, and can be driven to rotate by the torsion spring 402, and the handle 3 can be automatically opened under the action of the torsion spring 402, so that the handle 3 of the utility model is very convenient to open;
[0038] In order to prevent the handle 3 from being pushed out of the inside of the first gap and the second gap too fast by the torsion spring 402, the handle 3 is limited by the limiting assembly 5 at the same time, and the user uses the hand to give the handle 3 an acting force smaller than the pushing force of the torsion spring 402, so that the handle 3 can be pushed out of the first gap and the second gap at a relatively gentle speed.
[0039] The limiting assembly 5 comprises a sliding rod 501 slidingly arranged in the handle 3, a fixed column 502 fixedly installed on the sliding rod 501, a spring 503 sleeved on the fixed column 502, a clamping block 504 fixedly installed on the sliding rod 501, and an unlocking button 505 slidingly arranged on the handle 3;
[0040] The handle 3 is internally provided with a sliding groove 301 matched with the sliding rod 501, and the second rotating shaft 401 is provided with a clamping groove 4011 matched with the clamping block 504;
[0041] One end of the spring 503 is fixedly installed on the sliding rod 501, and the other end of the spring 503 is fixedly installed on the inner wall of the handle 3.
[0042] The third gap is arranged on the sliding rod 501 for unlocking the sliding of the unlocking button 505, and the contact surface between the unlocking button 505 and the sliding rod 501 is an inclined surface. The handle 3 is provided with a groove matched with the unlocking button 505, and the groove is communicated with the sliding groove 301. One end of the unlocking button 505 is fixedly provided with a limiting plate 5051, and the other end of the unlocking button 505 extends to the outside of the handle 3. The handle 3 is provided with an opening 302 for facilitating the pressing of the unlocking button 505. The unlocking button 505 can be pressed under the action of the opening 302.
[0043] The sliding rod 501 is provided with two guide grooves 506 from top to bottom, and the handle 3 is fixedly provided with two guide rods 507 matched with the guide grooves 506 from top to bottom. The guide grooves 506 meet the sliding condition of the sliding rod 501 in the sliding groove 301, and the guide rods 507 and the guide grooves 506 can guide the movement of the sliding rod 501.
[0044] The user presses the unlocking button 505. After the unlocking button 505 is pressed, the unlocking button 505 slides in the groove of the handle 3 and the third gap of the sliding rod 501. Since the contact surface between the unlocking button 505 and the sliding rod 501 is an inclined surface, the unlocking button 505 can push the sliding rod 501 to move in the sliding groove 301 away from the second rotating shaft 401 after being pressed. The sliding rod 501 can drive the clamping block 504 to enter the sliding groove 301 during the movement of the sliding rod 501. The sliding rod 501 can also compress the spring 503 during the movement of the sliding rod 501, that is, the clamping block 504 enters the sliding groove 301 and the spring 503 is compressed by pressing the unlocking button 505.
[0045] After the unlocking button 505 is released, the spring 503 is no longer compressed and can drive the sliding rod 501 to move in the sliding groove 301 towards the second rotating shaft 401 under the action of the spring 503. The sliding rod 501 pushes the unlocking button 505 to reset under the cooperation of the inclined surface during the movement of the sliding rod 501, and the unlocking button 505 can be prevented from being separated from the groove of the handle 3 under the action of the limiting plate 5051.
[0046] When the bicycle is used, the first folding piece 1 and the second folding piece 2 are closed, then the unlocking button 505 is pressed first, so that the clamping block 504 enters the inside of the sliding groove 301 and the spring 503 is compressed, then one end of the handle 3 is rotated to the inside of the first gap and the second gap, at this time the clamping block 504 is in position with the clamping groove 4011 opened in the second rotating shaft 401, then the unlocking button 505 is released, at this time the spring 503 is no longer compressed by the sliding rod 501, under the action of the restoring force of the spring 503, the sliding rod 501 can be pushed to move in the inside of the sliding groove 301 to the direction close to the second rotating shaft 401, until the sliding rod 501 drives the clamping block 504 to enter the inside of the clamping groove 4011, and the sliding rod 501 is in contact with the surface of the second rotating shaft 401, at this time under the cooperation of the sliding rod 501, the clamping block 504 and the clamping groove 4011, the second rotating shaft 401 can be prevented from rotating under the action of the torsion spring 402, so that the handle 3 can be prevented from rotating after being closed, that is, the limiting of the handle 3 is completed.
[0047] When the bicycle needs to be folded, the unlocking button 505 is pressed first, so that the clamping block 504 enters the sliding groove 301, so that the clamping block 504 is separated from the inside of the clamping groove 4011, at this time the ball head screw 403 and the second rotating shaft 401 are driven to rotate under the action of the torsion spring 402, the handle 3 is driven to rotate synchronously by the ball head screw 403, the handle 3 can be opened, then the first folding piece 1 and the second folding piece 2 can be folded, that is, the handle 3 can be automatically opened by pressing (pressing the unlocking button 505), which is convenient to use.
[0048] When the bicycle needs to be folded, the unlocking button 505 is pressed first, so that the clamping block 504 enters the sliding groove 301, so that the clamping block 504 is separated from the inside of the clamping groove 4011, at this time the ball head screw 403 and the second rotating shaft 401 are driven to rotate under the action of the torsion spring 402, the handle 3 is driven to rotate synchronously by the ball head screw 403, the handle 3 can be opened, then the first folding piece 1 and the second folding piece 2 can be folded, that is, the handle 3 can be automatically opened by pressing (pressing the unlocking button 505), which is convenient to use.
[0049] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A bicycle folding device with a convenient handlebar opening, characterized in that, include: A first folding member (1) and a second folding member (2) hinged to the first folding member (1); The first notch is formed on the first folding piece (1); The second notch is formed on the second folding piece (2); Handle (3), one end of which is rotatably mounted on the first folding piece (1) via the first pivot (6); Opening mechanism (4), the opening mechanism (4) is used to automatically open handle (3); The limiting component (5) releases the restriction on the handle (3) by the first folding member (1) and the second folding member (2) when the bicycle needs to be folded, and then the opening mechanism (4) opens the handle (3).
2. The bicycle folding device with convenient handle opening according to claim 1, characterized in that, The two ends of the first rotating shaft (6) are rotatably mounted on the first folding piece (1) via bearings, and one end of the handle (3) is fixedly mounted on the first rotating shaft (6).
3. The bicycle folding device with convenient handle opening according to claim 1, characterized in that, The opening mechanism (4) includes a second rotating shaft (401) rotatably mounted on the second folding piece (2) via a bearing, a torsion spring (402) sleeved on the second rotating shaft (401), and a ball head screw (403) fixedly mounted on the second rotating shaft (401).
4. The bicycle folding device with convenient handle opening according to claim 3, characterized in that, The handle (3) has an internal groove for accommodating the second rotating shaft (401), torsion spring (402) and ball head screw (403).
5. The bicycle folding device with convenient handle opening according to claim 4, characterized in that, One of the pins of the torsion spring (402) is fitted onto the ball head screw (403), and the other pin of the torsion spring (402) is in contact with the handle (3).
6. The bicycle folding device with convenient handle opening according to claim 5, characterized in that, The limiting component (5) includes a sliding rod (501) slidably disposed inside the handle (3), a fixing post (502) fixedly installed on the sliding rod (501), a spring (503) sleeved on the fixing post (502), a locking block (504) fixedly installed on the sliding rod (501), and an unlocking button (505) slidably disposed on the handle (3).
7. The bicycle folding device with convenient handle opening according to claim 6, characterized in that, The handle (3) has a groove (301) inside that cooperates with the sliding rod (501), and the second rotating shaft (401) has a groove (4011) that cooperates with the locking block (504).
8. The bicycle folding device with convenient handle opening according to claim 7, characterized in that, One end of the spring (503) is fixedly installed on the sliding rod (501), and the other end of the spring (503) is fixedly installed on the inner wall of the handle (3).
9. The bicycle folding device with convenient handle opening according to claim 8, characterized in that, The sliding rod (501) has a third notch for sliding the unlock button (505), and the contact surface between the unlock button (505) and the sliding rod (501) is an inclined surface. The handle (3) has a groove that matches the unlock button (505), and the groove is connected to the slide groove (301). One end of the unlock button (505) is fixedly installed with a limit plate (5051), and the other end of the unlock button (505) extends to the outside of the handle (3). The handle (3) has an opening (302) for pressing the unlock button (505).
10. The bicycle folding device with convenient handle opening according to claim 9, characterized in that, The sliding rod (501) has two guide grooves (506) from top to bottom, and the handle (3) has two guide rods (507) that cooperate with the guide grooves (506) fixedly installed from top to bottom.