CN110690385A - Fixing structure of electric bicycle frame tube downward-placing type battery pack - Google Patents
Fixing structure of electric bicycle frame tube downward-placing type battery pack Download PDFInfo
- Publication number
- CN110690385A CN110690385A CN201911076227.3A CN201911076227A CN110690385A CN 110690385 A CN110690385 A CN 110690385A CN 201911076227 A CN201911076227 A CN 201911076227A CN 110690385 A CN110690385 A CN 110690385A
- Authority
- CN
- China
- Prior art keywords
- clamping seat
- frame tube
- groove
- battery box
- boss
- 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.)
- Withdrawn
Links
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 101100293261 Mus musculus Naa15 gene Proteins 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/80—Accessories, e.g. power sources; Arrangements thereof
- B62M6/90—Batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a fixing structure of a downward battery pack of an electric bicycle frame tube, wherein a notch groove for placing a battery box assembly is cut on the lower surface of the frame tube, the end surface of the top of the battery box assembly is provided with a U-shaped groove, a U-shaped handle is hinged in the U-shaped groove, the inner surface of the U-shaped groove is provided with an elastic pin mounting hole, an elastic pin is mounted in the elastic pin, the top end surface of the elastic pin is contacted with the inner surface of the U-shaped handle, a lock hole is formed in the end surface range surrounded by the U-shaped groove, the end surface of the bottom of the battery box assembly is provided with a second boss, the side of the end surface of the bottom, far away from the second boss, is provided with a discharging female end, the lower surface of the transverse end of the U-shaped handle is provided with a hook, the U-shaped handle is always contacted with a top clamping seat under the action of the elastic pin, so that the hook can be accurately hung on the top clamping seat when a lockset is opened, the ejecting elastic component is arranged on the top clamping seat, so that the battery box component is convenient to take.
Description
Technical Field
The invention relates to an electric vehicle, in particular to a fixing structure of a down-put battery pack of a frame tube of an electric bicycle.
Background
In the existing frame tube down-type battery pack in the market, on the design of a fixing structure, some battery packs are not designed with anti-falling structures, and when an lock is opened in the using process, the battery pack can accidentally fall off the hand to cause the battery pack to fall on the ground, so that personnel are injured and the battery pack is damaged; some anti-falling structures are designed, but the structural design is unreasonable, the operation is inconvenient in the use process, the safety factor is not high, and when the lock is opened in the use process, the anti-falling structures can fail accidentally, so that the battery pack falls off, personnel are injured, and the battery pack is damaged; and it does not have the structure that can conveniently operate the group battery of design, and the group battery takes off the back, only can hold the group battery with both hands or other methods that are not very convenient operate the group battery, and the user causes very big puzzlement in the operation aspect after the group battery takes off.
Disclosure of Invention
The invention aims to solve the technical problem of providing a fixing structure of a battery pack with a downward-placed frame tube of an electric bicycle, which can prevent the battery pack from falling off, so that the processing and the assembly of related parts related to the installation of the battery pack are more convenient, the anti-falling structure is more reliable, and the anti-falling structure also has the lifting function after the battery pack is taken off.
In order to solve the technical problems, the invention adopts the technical scheme that: a fixing structure of a downward battery pack of an electric bicycle frame tube comprises a frame tube, a top clamping seat, a bottom clamping seat, a lockset, an ejection elastic component, an elastic pin and a battery box component, wherein a notch groove for placing the battery box component is cut on the lower surface of the frame tube, the end surface of the top of the battery box component is provided with a U-shaped groove, a U-shaped handle is hinged in the U-shaped groove, the inner surface of the U-shaped groove is provided with an elastic pin mounting hole in which the elastic pin is arranged, the top end surface of the elastic pin is contacted with the inner surface of the U-shaped handle, a lock hole is arranged in the end surface range surrounded by the U-shaped groove, the end surface of the bottom of the battery box component is provided with a second boss, one side of the bottom end surface, far away from the second boss, a discharging female end is arranged, and a hook is formed on the lower surface of the transverse end of the U-shaped handle, the protruding direction of the hook is away from the battery box assembly, the U-shaped handle is always in contact with the top clamping seat under the action of the elastic pin, the hook can be accurately hung on the top clamping seat when the lockset is opened, and the ejecting elastic assembly is arranged on the top clamping seat, so that the battery box assembly is convenient to take.
The frame tube is also provided with a clamping seat connecting block, the frame tube is seen in a radial section shape in the using state position, the inside of the frame tube is positioned at a certain distance from the top of the upper end, two side surfaces are respectively taken as starting points, a convex table extends out from the middle of the frame tube along the radial direction, a supporting plate is fixedly connected between the two convex tables, convex ribs are symmetrically arranged at the position, which is positioned at the starting point, of the lower end surface of the inside of the frame tube and is positioned at a certain distance from the central surface of the frame tube, at least two convex ribs are arranged at each side, one side of the shape of the clamping seat connecting block is matched with the lower end of the inside of the frame tube, grooves with the same number as the convex ribs are arranged at the positions corresponding to the convex ribs in; the two ends of the length direction of the notch groove of the frame pipe are respectively provided with a clamping seat connecting block, the groove of the clamping seat connecting block is matched with a convex rib inside the frame pipe, and the clamping seat connecting block is fixed by deforming the convex rib; the top clamping seat is provided with at least one first screw mounting hole on one side of the end face, which is far away from the frame pipe, at least one ejection elastic component mounting hole is formed on one side, which is close to the frame pipe, of the end face, the ejection elastic component is mounted in the ejection elastic component mounting hole, a first boss is arranged on the surface of the top clamping seat, which is close to one side of the frame pipe, and a long groove is formed on one side, which is far away from the frame pipe, of the end face; the bottom clamping seat is provided with at least one second screw mounting hole on one side of the end surface, which is far away from the frame tube, a groove is formed on one side of the end surface, which is far away from the frame tube, a discharging male end is formed on one side of the end surface, which is close to the frame tube, and a second boss is arranged on the surface of the bottom clamping seat, which is close to one side of the frame tube; the positions on the surface of the supporting plate, which are close to the two ends, are respectively provided with a long through hole for inserting the first boss and the second boss, and the top clamping seat and the bottom clamping seat are respectively and fixedly connected with a clamping seat connecting block at the top end of the notch groove of the frame pipe in the length direction.
The free ends of the two vertical arms of the U-shaped handle are respectively provided with a coaxial cylindrical bulge, and the bulge direction faces to the central plane of the two vertical arms.
The invention has the beneficial effects that: increase the cassette connecting block, it is intraductal to make top cassette and bottom cassette pass through the cassette connecting block to be fixed to the frame, it is more convenient to make the processing and the assembly of part, top cassette increases elastic component, can make battery case subassembly more conveniently get and take, increase the U-shaped handle at battery case subassembly top and be equipped with on the shape handle and link up, U-shaped handle makes under elastic component's effect when opening the tool to lock to link up and hangs in the recess of top cassette like this, so the battery case can directly not drop, increase the security of getting the battery, and increase the U-shaped handle, it is also more convenient to operate after the battery case subassembly takes off.
Drawings
FIG. 1 is a schematic view of an assembled end face of a frame tube, a support plate and a clamping seat connecting block of the present invention;
FIG. 2 is a schematic view of the handle of the present invention;
FIG. 3 is a schematic view of the mounting of the frame tube and the top clamp of the present invention;
FIG. 4 is a schematic view of the mounting of the frame tube and the bottom clamp of the present invention;
FIG. 5 is a sectional view of the present invention in an assembled state;
FIG. 6 is a cutaway schematic view of the invention in an open, unrelieved state;
FIG. 7 is a schematic view of the external appearance of the battery pack assembly according to the present invention;
Detailed Description
The invention is described in further detail below with reference to the following figures and detailed description:
as shown in fig. 1-7, the fixing structure of the downward battery pack of the frame tube of the electric bicycle comprises a frame tube 1, a top clamping seat 2, a bottom clamping seat 3, a clamping seat connecting block 4, a lockset 5, an ejection elastic component 6, an elastic pin 7, a battery box component 8 and a supporting plate 9.
When the frame tube 1 is seen from a radial section of a use state position, a boss 10 extends from the middle of the frame tube along a radial direction at a certain distance from the top of the upper end, two side faces are taken as starting points, the two bosses 10 are not connected, a lower end face inside the frame tube 1 is taken as a starting point at a certain distance from the center face of the frame tube 1, raised ribs 11 are symmetrically arranged on the left and right sides, and at least two ribs are arranged on each side. A notch groove 12 is cut in the lower surface of the frame tube 1.
One side of the shape of the clamping seat connecting block 4 is matched with the lower end in the frame tube 1, grooves 13 with the same number as the raised ribs 11 are arranged at the corresponding positions of the raised ribs 11 in the frame tube 1, the shapes of the grooves 13 are matched with the shapes of the raised ribs 11, and threaded holes 14 are formed in the end face of each groove. Install a cassette connecting block 4 respectively at the both ends of frame pipe 1 incision groove 12 length direction, the recess 13 of cassette connecting block 4 cooperatees with frame pipe 1 inside protruding muscle 11, then fixes cassette connecting block 4 through making protruding muscle 11 warp.
The top clamping seat 2 is provided with at least one screw mounting hole 15 at one side of the end surface, which is far away from the frame tube 1, at least one ejection elastic component mounting hole 16 is arranged at one side of the end surface, which is near to the frame tube 1, the ejection elastic component 6 is arranged in the ejection elastic component mounting hole, and a boss 17 is arranged on the surface of one side of the top clamping seat 2, which is near to the frame tube 1. A long groove 18 is arranged on one side of the end surface far away from the frame tube 1.
The bottom clamping seat 3 is provided with at least one screw mounting hole 19 at one side of the end face far away from the frame tube 1, a groove 20 is formed at one side of the end face far away from the frame tube 1, a discharging male end 21 is formed at one side of the end face close to the frame tube 1, and a boss 22 is arranged on the surface of one side of the bottom clamping seat 3 close to the frame tube 1
The battery box assembly 8 is provided with a U-shaped groove 23 on the end surface of the top, a U-shaped handle 24 is hinged in the U-shaped groove 23, an elastic pin mounting hole 25 is formed in the inner surface of the U-shaped groove 23, an elastic pin 7 is mounted in the elastic pin mounting hole, the top end surface of the elastic pin 7 is in contact with the inner surface of the U-shaped handle 24, and a lock hole 26 is formed in the end surface range surrounded by the U-shaped groove 23. A boss 27 is arranged on the end face of the bottom, and a discharge female end 28 is arranged on the side, far away from the boss 27, of the end face of the bottom.
The U-shaped handle 24 is provided with a coaxial cylindrical protrusion 30 at the free ends of the two vertical arms 29 respectively, the protrusion direction faces to the central plane of the two vertical arms 29, a hook 31 is formed on the lower surface of the transverse end of the U-shaped handle 24, and the protrusion direction of the hook 31 is far away from the battery box assembly 8.
The supporting plate 9 is fixedly connected to two bosses 10 in the frame tube 1, and long through holes 32 and 33 are respectively arranged on the surface of the supporting plate 9 near two ends.
When the top clamping seat 2 is installed, the clamping seat connecting block 4 at the top end of the notch groove 12 in the length direction of the frame tube 1 is fixedly connected, and the boss 17 arranged on the surface of one side, close to the frame tube 1, of the top clamping seat 2 is inserted into the corresponding long-hole through 32 in the supporting plate 9. The bottom clamping seat 3 is fixedly connected with the clamping seat connecting block 4 at the bottom end of the notch groove 12 of the frame tube 1 in the length direction, and the boss 22 arranged on the surface of one side, adjacent to the frame tube 1, of the bottom clamping seat 3 is inserted into the long through hole 33 corresponding to the bottom clamping seat on the supporting plate.
When the battery box assembly 8 is installed, firstly, the boss 27 on the end face of the bottom of the battery box assembly 8 is inserted into the corresponding groove 20 on the end face of the bottom clamping seat 3, then the battery box assembly 8 continuously rotates by taking the contact line of the boss 27 and the groove 20 as the shaft 34, after the battery box assembly 8 is completely pressed into the frame tube 1, the bolt 35 is inserted into the lock hole 26 on the end face of the top of the battery box assembly 8, the hook 31 of the U-shaped handle 24 is inserted into the corresponding long groove 18 on the clamping seat 2 of the top, the elastic pin 7 in contact with the U-shaped handle 24 is in a compression state, meanwhile, the ejection elastic assembly 6 arranged on the clamping seat 2 of the top is also in a compression state, the butt joint of the discharging male end 21 and the discharging female end 28 is completed, and then.
When the battery box component 8 is taken out, the key is rotated, the lock tongue 35 exits the lock hole 26, the battery box component 8 rotates by taking the contact line of the boss 27 on the bottom end face of the battery box component 8 and the corresponding groove 20 on the end face of the bottom clamping seat 3 as the shaft 34 under the action of the resilience force of the ejection elastic component 6 on the top clamping seat 2, the U-shaped handle 24 rotates by taking the axis of the cylindrical boss 20 on the vertical arm as the rotating shaft and gradually keeps away from the battery box component 8 under the action of the resilience force of the elastic pin 7 on the battery box component 8, the hook 31 of the U-shaped handle 24 contacts the top end of the corresponding long groove 18 on the top clamping seat 2 when the U-shaped handle 24 rotates to a certain position, the rotation of the battery box component 8 is stopped, at the moment, part of the top of the battery box component 8 is exposed out of the frame tube 1, at the moment, only the top of the U-shaped handle 24 is, the male discharge end 21 is disengaged from the female discharge end 28, and the battery pack assembly 8 can be removed.
The above-mentioned embodiments are only for illustrating the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to carry out the same, and the present invention shall not be limited to the embodiments, i.e. the equivalent changes or modifications made within the spirit of the present invention shall fall within the scope of the present invention.
Claims (3)
1. A fixing structure of a downward battery pack of an electric bicycle frame tube comprises a frame tube (1), a top clamping seat (2), a bottom clamping seat (3), a lockset (5), an ejection elastic component (6), elastic pins (7) and a battery box component (8), and is characterized in that a notch groove (12) for placing the battery box component (8) is cut on the lower surface of the frame tube (1), the end surface of the top of the battery box component (8) is provided with a U-shaped groove (23), a U-shaped handle (24) is hinged in the U-shaped groove (23), the inner surface of the U-shaped groove (23) is provided with an elastic pin mounting hole (25) in which the elastic pin (7) is arranged, the top end surface of the elastic pin (7) is contacted with the inner surface of the U-shaped handle (24), a lock hole (26) is arranged in the end surface range surrounded by the U-shaped groove (23), the battery box component (8) is provided with a second boss (27) on the end face of the bottom, one side of the bottom end face, which is far away from the second boss (27), is provided with a discharging female end (28), the lower surface of the transverse end of the U-shaped handle (24) is provided with a hook (31), the protruding direction of the hook (31) is far away from the battery box component (8), the U-shaped handle (24) is always contacted with the top clamping seat (2) under the action of the elastic pin (7), the hook (31) can be accurately hung on the top clamping seat (2) when the lockset (5) is opened, the ejection elastic component (6) is arranged on the top clamping seat (2), and the battery box component (8) is convenient to take.
2. The fixing structure of the battery pack with the downward-placed electric bicycle frame tube according to claim 1, wherein the frame tube (1) is further provided with a clamping seat connecting block (4), when the frame tube (1) is viewed in a radial section shape in a use state, a protruding platform (10) extends from the top of the upper end of the frame tube at a position with a certain distance from the inner side of the frame tube along the radial direction, and each protruding platform (10) is taken as a starting point, a supporting plate (9) is fixedly connected between the two protruding platforms (10), protruding ribs (11) are symmetrically arranged at the position with the starting point at a certain distance from the central plane of the frame tube (1) at the lower end face of the inner part of the frame tube (1), at least two protruding ribs (11) are arranged at each side, one side of the shape of the clamping seat connecting block (4) is matched with the inner lower end of the frame tube (1), and grooves (13) with the same number as the protruding ribs (11) are arranged, the shape of the groove (13) is matched with that of the convex rib (11), and a threaded hole (14) is formed in the end face of the groove; two ends of a notch groove (12) of the frame pipe in the length direction are respectively provided with a clamping seat connecting block (4), a groove (13) of the clamping seat connecting block (4) is matched with a convex rib (11) in the frame pipe, and the clamping seat connecting block (4) is fixed by deforming the convex rib (11); the top clamping seat (2) is provided with at least one first screw mounting hole (15) on one side of the end surface, which is far away from the frame pipe (1), at least one ejection elastic component mounting hole (16) is formed on one side of the end surface, which is near to the frame pipe, the ejection elastic component (6) is mounted in the ejection elastic component mounting hole, a first boss (17) is arranged on the surface of one side of the top clamping seat (2), which is near to the frame pipe (1), and a long groove (18) is formed on one side of the end surface, which is far away from the frame pipe (1); at least one second screw mounting hole (19) is formed in one side, far away from the frame tube (1), of the bottom clamping seat (3) on the end face, a groove (20) is formed in one side, far away from the frame tube (1), of the end face, a discharging male end (21) is formed in one side, close to the frame tube (1), of the end face, and a second boss (22) is arranged on the surface, close to the frame tube (1), of the bottom clamping seat (3); long through holes (32, 33) inserted into the first boss (17) and the second boss (22) are respectively formed in the positions, close to the two ends, on the surface of the supporting plate (9), and the top clamping seat (2) and the bottom clamping seat (3) are fixedly connected with a clamping seat connecting block (4) at the top end of the vehicle frame pipe notch groove (12) in the length direction.
3. The structure for fixing a tube-down type battery pack for an electric bicycle according to claim 1, wherein a coaxial cylindrical protrusion (30) is provided at each of free ends of the two upright arms (29) of the "U" -shaped handle (24) in a direction toward a central plane of the two upright arms (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911076227.3A CN110690385A (en) | 2019-11-06 | 2019-11-06 | Fixing structure of electric bicycle frame tube downward-placing type battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911076227.3A CN110690385A (en) | 2019-11-06 | 2019-11-06 | Fixing structure of electric bicycle frame tube downward-placing type battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110690385A true CN110690385A (en) | 2020-01-14 |
Family
ID=69115462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911076227.3A Withdrawn CN110690385A (en) | 2019-11-06 | 2019-11-06 | Fixing structure of electric bicycle frame tube downward-placing type battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110690385A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2025018B1 (en) * | 2020-02-28 | 2021-10-14 | Hartmobile B V | Bicycle frame tube |
| WO2021209572A1 (en) * | 2020-04-17 | 2021-10-21 | Amprio Gmbh | Reinforcing device for reinforcing a bicycle frame, and bicycle frame having reinforcing device |
| CN114348158A (en) * | 2021-12-31 | 2022-04-15 | 东阳市联宜机电有限公司 | Scooter |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2499981Y (en) * | 2001-07-20 | 2002-07-10 | 彭绍与 | Casing body with anti-drop cell cover |
| CN1939798A (en) * | 2005-09-29 | 2007-04-04 | 伍贻杰 | Dismounting fall releaser of battery box |
| CN206516683U (en) * | 2017-03-06 | 2017-09-22 | 惠州市云之骑科技有限公司 | A kind of novel portable lithium battery kit |
| CN207173879U (en) * | 2017-08-11 | 2018-04-03 | 浙江阿波罗摩托车制造有限公司 | A kind of new built-in battery structure |
| US10351017B1 (en) * | 2018-01-31 | 2019-07-16 | Kwang Yang Motor Co., Ltd. | Battery box locking structure of electric vehicle |
| CN110155240A (en) * | 2019-06-29 | 2019-08-23 | 漳州万宝能源科技有限公司 | Electric bicycle pipe battery anti-shedding mechanism and its application method |
-
2019
- 2019-11-06 CN CN201911076227.3A patent/CN110690385A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2499981Y (en) * | 2001-07-20 | 2002-07-10 | 彭绍与 | Casing body with anti-drop cell cover |
| CN1939798A (en) * | 2005-09-29 | 2007-04-04 | 伍贻杰 | Dismounting fall releaser of battery box |
| CN206516683U (en) * | 2017-03-06 | 2017-09-22 | 惠州市云之骑科技有限公司 | A kind of novel portable lithium battery kit |
| CN207173879U (en) * | 2017-08-11 | 2018-04-03 | 浙江阿波罗摩托车制造有限公司 | A kind of new built-in battery structure |
| US10351017B1 (en) * | 2018-01-31 | 2019-07-16 | Kwang Yang Motor Co., Ltd. | Battery box locking structure of electric vehicle |
| CN110155240A (en) * | 2019-06-29 | 2019-08-23 | 漳州万宝能源科技有限公司 | Electric bicycle pipe battery anti-shedding mechanism and its application method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2025018B1 (en) * | 2020-02-28 | 2021-10-14 | Hartmobile B V | Bicycle frame tube |
| WO2021209572A1 (en) * | 2020-04-17 | 2021-10-21 | Amprio Gmbh | Reinforcing device for reinforcing a bicycle frame, and bicycle frame having reinforcing device |
| CN114348158A (en) * | 2021-12-31 | 2022-04-15 | 东阳市联宜机电有限公司 | Scooter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110690385A (en) | Fixing structure of electric bicycle frame tube downward-placing type battery pack | |
| CN217688503U (en) | Synchronous tracking device for full-automatic liquid medicine bottle lamp inspection machine | |
| CN112224319A (en) | Hidden folding structure of frame | |
| CN212626755U (en) | Base for distribution box and distribution box | |
| CN110259299B (en) | Large-pulling-force pressing opening and closing device | |
| CN108099553B (en) | Vehicle escape window with stable structure | |
| CN210446015U (en) | Novel intelligent security case hasp device | |
| CN211473761U (en) | Male and female hinge | |
| CN220030097U (en) | Safety dismounting tool for 10kV switch cabinet | |
| CN218285487U (en) | Multifunctional tool box | |
| CN113964429B (en) | Energy storage lithium battery cabinet convenient for replacing battery assembly | |
| CN213502756U (en) | Hidden folding structure of frame | |
| CN217426985U (en) | Cylindrical lithium battery taking and placing device | |
| CN219465258U (en) | Mobile phone battery cover plate welding device | |
| CN217544770U (en) | Charging equipment for communication equipment battery | |
| CN210303784U (en) | Protection device of test tube for food safety inspection | |
| CN218633062U (en) | Valve locking device | |
| CN219892538U (en) | Lock catch structure of connector protective shell | |
| CN220984719U (en) | Turnover battery compartment structure for laser measuring tool | |
| CN216930123U (en) | Explosion-proof ball structure for explosion-proof camera | |
| CN110667980B (en) | Packing box connecting device | |
| CN211342388U (en) | Integrative cabinet of card is deposited to safe type | |
| CN218224335U (en) | Upper die quick-clamping button type handle limiting structure of bending machine | |
| CN221079875U (en) | Level meter optimizing switch | |
| CN215184677U (en) | Rotary protective door device of desktop socket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 300301 Tianjin Dongli district military grain Street East Golden Road Fujida Group Hospital Applicant after: Tianjin Fujita Bicycle Industry Co.,Ltd. Address before: 300301 Tianjin Dongli district military grain Street East Golden Road Fujida Group Hospital Applicant before: TIANJIN FUJI-TA BICYCLE CO.,LTD. |
|
| CB02 | Change of applicant information | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200114 |
|
| WW01 | Invention patent application withdrawn after publication |