Forming die for handlebar of battery car
By combining the lower handlebar forming mold and the upper handlebar forming mold with a limit detection mechanism and a cooling channel, the problem of low strength of electric bicycle handlebars has been solved, and the casting and production of high-efficiency aluminum handlebars has been realized.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 宁波荣海汽车部件有限公司
- Filing Date
- 2025-05-27
- Publication Date
- 2026-04-28
AI Technical Summary
Most electric bicycle handlebars are made of plastic, which has low strength and is not easy to manufacture.
The lower handle forming mold and the upper handle forming mold are used, combined with the limit detection mechanism and the cooling channel. Molten aluminum is injected through the injection port for casting, which ensures the mold closing quality and improves the strength.
This enabled the manufacturing of high-strength aluminum handlebars, ensuring mold casting quality and improving production efficiency.
Smart Images

Figure CN224168695U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electric bicycle handlebar processing technology, and more specifically, to a mold for forming electric bicycle handlebars. Background Technology
[0002] The 21st century can be described as an era that "calls for green environmental protection." It not only demands that people focus on energy conservation, but more importantly, that they pay greater attention to their living environment and environmental sustainability to achieve sustainable social development. Due to environmental requirements, coupled with the development of new materials and technologies, electric vehicles have entered a period of rapid development. Electric bicycles, also known as "battery-powered vehicles," are pure electric motor vehicles powered by batteries and driven by electric motors (DC, AC, series, separately excited). In recent years, they have become very widely popular. The handlebars of electric bicycles, used for controlling the vehicle, are mostly made of plastic, which has low strength and is inconvenient to manufacture. Therefore, we have proposed a mold for molding electric bicycle handlebars. Utility Model Content
[0003] In view of the problems mentioned in the background art above, the purpose of this utility model is to provide a mold for forming handlebars of electric bicycles.
[0004] To solve the above problems, the present invention adopts the following technical solution:
[0005] A handlebar forming mold for an electric bicycle includes a lower handlebar forming mold and an upper handlebar forming mold. Limit detection mechanisms are provided on both sides of both the lower and upper handlebar forming molds. The lower handlebar forming mold includes an upper lower handlebar forming mold and a lower lower handlebar forming mold. Two lower handlebar forming cavities are provided between the upper and lower lower handlebar forming molds. Two connecting seat forming molds are provided on the top of the lower lower handlebar forming mold. Two fixing molds are provided inside the upper lower handlebar forming mold. An upper mounting seat is provided on the top of the upper lower handlebar forming mold. Multiple first hole-forming molds are provided inside the upper and lower lower handlebar forming molds. A first liquid injection port is provided on the side of both the upper and lower lower handlebar forming molds. Two second liquid injection ports are provided on the side of both the upper and lower lower handlebar forming molds. Both the second and first liquid injection ports are connected to the lower handlebar forming cavities.
[0006] In a preferred embodiment of this utility model, the upper handle forming mold includes a lower upper handle forming mold and an upper upper handle forming mold, with two upper handle forming cavities provided between the lower upper handle forming mold and the upper upper handle forming mold. The upper upper handle forming mold has multiple second forming molds inside. The sides of both the lower upper handle forming mold and the upper upper handle forming mold are provided with third liquid injection ports, and the sides of both the lower upper handle forming mold and the upper upper handle forming mold are provided with two fourth liquid injection ports. The fourth liquid injection ports and the third liquid injection ports are all connected to the upper handle forming cavities.
[0007] As a preferred embodiment of this utility model, the limit detection mechanism includes an upper limit seat installed on the side of the upper mold of the lower handle and the upper mold of the upper handle, and a lower limit seat installed on the side of the lower mold of the lower handle and the upper mold of the upper handle. The top surface of the lower limit seat is provided with a slot, and a contact sensor is fixedly installed at the bottom of the inner cavity of the slot. A plug is fixedly connected to the bottom surface of the upper limit seat. The bottom end of the plug is movably sleeved into the inner cavity of the slot and in contact with the contact sensor. The side of the plug fits against the inner wall of the slot. A red and green dual-color light is fixedly installed on the outer side of the lower limit seat.
[0008] As a preferred embodiment of this utility model, the bottom of the lower limit seat is provided with an installation groove, the inner cavity of the installation groove is provided with a controller, the inner cavity of the installation groove is provided with a storage battery, and the bottom of the inner cavity of the installation groove is hinged with a sealing door.
[0009] As a preferred embodiment of this utility model, the sides of both the lower handle upper forming mold and the upper handle upper forming mold are provided with first screw holes, the upper limit seat is provided with a first mounting hole, a first bolt is fitted on the first mounting hole, and the end of the first bolt is threaded into the inner cavity of the first screw hole. The sides of both the lower handle lower forming mold and the upper handle lower forming mold are provided with second screw holes, the lower limit seat is provided with a second mounting hole, a second bolt is fitted on the second mounting hole, and the end of the second bolt is threaded into the inner cavity of the second screw hole.
[0010] As a preferred embodiment of this utility model, cooling channels are provided on the lower handle upper forming mold, the lower handle lower forming mold, the upper handle lower forming mold, and the upper handle upper forming mold.
[0011] The advantages of this utility model are:
[0012] (1) In this utility model, a lower handle forming cavity is formed inside the upper forming mold and the lower forming mold of the lower handle. Molten aluminum liquid is introduced into the inner cavity of the lower handle forming cavity from the first injection port and the second injection port, thereby casting the lower half of the handle. An upper handle forming cavity is formed inside the lower forming mold and the upper forming mold of the upper handle. Molten aluminum liquid is introduced into the inner cavity of the upper handle forming cavity from the third injection port and the fourth injection port, thereby casting the upper half of the handle. The aluminum upper and lower handles are then demolded and assembled, realizing the function of casting the handle. In addition, the aluminum handle increases the strength of the handle and has good practicality.
[0013] (2) In this utility model, during the process of closing the upper forming mold of the lower handle and the lower forming mold of the lower handle, the lower forming mold of the upper handle and the upper forming mold of the upper handle, the insert block is driven into the slot on the lower limit seat. When the bottom end of the insert block contacts the contact sensor, the controller controls the red and green dual-color light to display a green light, indicating that the mold is closed in place. When the bottom end of the insert block does not contact the contact sensor, the controller controls the red and green dual-color light to display a red light, indicating that the mold is not closed in place, thus ensuring the quality of mold closing and thus ensuring the quality of mold casting. It has good practicality. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0015] Figure 2 This is a schematic diagram showing the position of the first screw hole in this utility model;
[0016] Figure 3 This is a schematic diagram of the lower forming mold of the lower handle of this utility model;
[0017] Figure 4 This is a schematic diagram of the upper handle and lower forming mold of this utility model;
[0018] Figure 5 This is a cross-sectional view of the present invention;
[0019] Figure 6 This is a schematic diagram of the upper forming mold of the lower handle of this utility model;
[0020] Figure 7 This is a schematic diagram showing the disassembled limit detection mechanism of this utility model;
[0021] Figure 8 This is a cross-sectional schematic diagram of the lower limit seat of this utility model.
[0022] Explanation of the labels in the diagram:
[0023] 1. Lower handle forming mold; 2. Upper handle forming mold; 3. Lower handle upper forming mold; 4. Lower handle lower forming mold; 5. Connecting seat forming mold; 6. Fixing mold; 7. First hole forming mold; 8. Upper mounting seat; 9. First injection port; 10. Second injection port; 11. Limit detection mechanism; 12. Upper handle lower forming mold; 13. Upper handle upper forming mold; 14. Lower handle forming cavity; 15. Upper handle forming cavity; 16. Second hole forming mold; 7. Third injection port; 18. Fourth injection port; 19. Cooling channel; 20. Upper limit seat; 21. Lower limit seat; 22. Slot; 23. Insert block; 24. Contact sensor; 25. Red and green dual-color light; 26. First mounting hole; 27. First bolt; 28. First screw hole; 29. Second mounting hole; 30. Second bolt; 31. Second screw hole; 32. Mounting groove; 33. Sealing door; 34. Battery; 35. Controller. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.
[0025] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0027] Example:
[0028] Please see Figure 1-8A handlebar forming mold for an electric bicycle includes a lower handlebar forming mold 1 and an upper handlebar forming mold 2. Limit detection mechanisms 11 are provided on both sides of the lower handlebar forming mold 1 and the upper handlebar forming mold 2. The lower handlebar forming mold 1 includes an upper lower handlebar forming mold 3 and a lower lower handlebar forming mold 4. Two lower handlebar forming cavities 14 are provided between the upper lower handlebar forming mold 3 and the lower lower handlebar forming mold 4. Two connecting seat forming molds 5 are provided on the top of the lower lower handlebar forming mold 4. Two fixing molds 6 are provided inside the upper lower handlebar forming mold 3. An upper mounting seat 8 is provided on the top of the upper lower handlebar forming mold 3. Multiple first hole forming molds 7 are provided inside the upper lower handlebar forming mold 3. A first liquid injection port 9 is provided on the side of both the upper lower handlebar forming mold 3 and the lower lower handlebar forming mold 4. Two second liquid injection ports 10 are provided on the side of both the upper lower handlebar forming mold 3 and the lower lower handlebar forming mold 4. Both the second liquid injection ports 10 and the first liquid injection ports 9 are connected to the lower handlebar forming cavity 14.
[0029] In this embodiment, the lower half of the handlebar is cast through the lower handlebar forming cavity 14. Molten aluminum is injected into the lower handlebar forming cavity 14 through the first injection port 9 and the second injection port 10. The mounting connection of the handlebar is formed by the connecting seat forming mold 5, and the connecting hole of the handlebar is formed by the first hole forming mold 7.
[0030] For details, please refer to Figures 1 to 6 The upper handle forming mold 2 includes a lower upper handle forming mold 12 and an upper upper handle forming mold 13. Two upper handle forming cavities 15 are provided between the lower upper handle forming mold 12 and the upper upper handle forming mold 13. Multiple second forming molds 16 are provided inside the upper upper handle forming mold 13. A third liquid injection port 17 is provided on the side of both the lower upper handle forming mold 12 and the upper upper handle forming mold 13. Two fourth liquid injection ports 18 are provided on the side of both the lower upper handle forming mold 12 and the upper upper handle forming mold 13. The fourth liquid injection ports 18 and the third liquid injection ports 17 are all connected to the upper handle forming cavity 15.
[0031] In this embodiment, the upper part of the handlebar is cast through the upper handlebar forming cavity 15, and molten aluminum is injected into the upper handlebar forming cavity 15 through the third injection port 17 and the fourth injection port 18. The mounting holes of the upper part of the handlebar are formed by the second hole forming mold 16.
[0032] For details, please refer to Figure 1 , Figure 2 , Figure 7 and Figure 8The limit detection mechanism 11 includes an upper limit seat 20 installed on the side of the upper mold 3 of the lower handle and the upper mold 13 of the upper handle, and a lower limit seat 21 installed on the side of the lower mold 4 of the lower handle and the lower mold 12 of the upper handle. The top surface of the lower limit seat 21 is provided with a slot 22. A contact sensor 24 is fixedly installed at the bottom of the inner cavity of the slot 22. An insert 23 is fixedly connected to the bottom surface of the upper limit seat 20. The bottom end of the insert 23 is movably sleeved into the inner cavity of the slot 22 and in contact with the contact sensor 24. The side of the insert 23 fits against the inner wall of the slot 22. A red and green dual-color light 25 is fixedly installed on the outer side of the lower limit seat 21.
[0033] In this embodiment, the bottom end of the insert 23 is provided with an inclination angle to ensure that the insert 23 can be smoothly inserted into the inner cavity of the slot 22.
[0034] For details, please refer to Figure 8 The bottom of the lower limit seat 21 is provided with an installation groove 32, the inner cavity of the installation groove 32 is provided with a controller 35, the inner cavity of the installation groove 32 is provided with a storage battery 34, and the bottom of the inner cavity of the installation groove 32 is hinged with a sealing door 33.
[0035] In this embodiment, the controller 35 processes the signal sensed by the contact sensor 24, controls the red-green dual-color light 25 to emit light, and uses the battery 34 to power the contact sensor 24, the controller 35 and the red-green dual-color light 25. The sealing door 33 can be installed by a hovering hinge or a spring hinge.
[0036] For details, please refer to Figure 1 , Figure 2 and Figure 7 Both the lower handle upper forming mold 3 and the upper handle upper forming mold 13 have first screw holes 28 on their sides. The upper limit seat 20 has a first mounting hole 26. A first bolt 27 is fitted onto the first mounting hole 26. The end of the first bolt 27 is threaded into the inner cavity of the first screw hole 28. Both the lower handle lower forming mold 4 and the upper handle lower forming mold 12 have second screw holes 31 on their sides. The lower limit seat 21 has a second mounting hole 29. A second bolt 30 is fitted onto the second mounting hole 29. The end of the second bolt 30 is threaded into the inner cavity of the second screw hole 31.
[0037] In this embodiment, the upper limit seat 20 is installed on the upper forming mold 3 of the lower handle and the upper forming mold 13 of the upper handle by the cooperation of the first mounting hole 26, the first bolt 27 and the first screw hole 28, and the lower limit seat 21 is installed on the lower forming mold 4 of the lower handle and the lower forming mold 12 of the upper handle by the cooperation of the second mounting hole 29, the second bolt 30 and the second screw hole 31.
[0038] For details, please refer to Figure 2Cooling channels 19 are provided on the lower handle upper forming mold 3, the lower handle lower forming mold 4, the upper handle lower forming mold 12, and the upper handle upper forming mold 13.
[0039] In this embodiment, the cooling channel 19 is connected to an external water cooling system, so that cooling water flows in the lower handle upper forming mold 3, lower handle lower forming mold 4, upper handle lower forming mold 12 and upper handle upper forming mold 13, which accelerates the solidification and forming of the aluminum liquid inside the lower handle upper forming mold 3, lower handle lower forming mold 4, upper handle lower forming mold 12 and upper handle upper forming mold 13.
[0040] Working principle: When forming the lower half of the handlebar, the mold driving device first drives the upper forming mold 3 and the lower forming mold 4 of the lower handlebar to close. At the same time, the connecting seat forming mold 5, the fixing mold 6, the first hole forming mold 7 and the upper mounting seat 8 cooperate to form the lower handlebar forming cavity 14 between the upper forming mold 3 and the lower forming mold 4. Simultaneously, the upper forming mold 3 drives the insert 23 to insert into the slot 22 on the lower limit seat 21 on the side of the lower forming mold 4, so that the bottom end of the insert 23 is inserted into the inner cavity of the slot 22. When the bottom end of the insert 23 contacts the contact sensor 24, the controller 35 controls the... When the red-green dual-color light 25 shows a green light, it indicates that the upper forming mold 3 and the lower forming mold 4 of the lower handlebar are in place. When the bottom end of the insert block 23 is not in contact with the contact sensor 24, the controller 35 controls the red-green dual-color light 25 to show a red light, indicating that the upper forming mold 3 and the lower forming mold 4 of the lower handlebar are not in place. Then, molten aluminum liquid is introduced into the inner cavity of the lower handlebar forming cavity 14 from the first injection port 9 and the second injection port 10, thereby casting the lower half of the handlebar. Finally, the upper forming mold 3 and the lower forming mold 4 of the lower handlebar are separated so that the cast aluminum lower handlebar can be taken out and the excess structure can be removed.
[0041] When molding the upper part of the handlebar, the mold drive device first drives the lower mold 12 and the upper mold 13 of the handlebar to close. At the same time, the second forming mold 16 forms the upper handlebar forming cavity 15 between the lower mold 12 and the upper mold 13. Simultaneously, the upper mold 13 drives the insert 23 to be inserted into the slot 22 on the lower limit seat 21 on the side of the lower mold 12 of the handlebar, so that the bottom end of the insert 23 is inserted into the inner cavity of the slot 22. When the bottom end of the insert 23 contacts the contact sensor 24, the controller 35 controls the red and green dual-color light 25 to display a green light, indicating that the lower mold 12 and the upper mold 13 of the handlebar are closed. When the molding mold 13 is in place, and the bottom end of the insert block 23 is not in contact with the contact sensor 24, the controller 35 controls the red and green dual-color light 25 to display a red light, indicating that the lower molding mold 12 and the upper molding mold 13 of the handlebar are not in place. Then, molten aluminum is introduced into the inner cavity of the upper handlebar molding cavity 15 from the third injection port 17 and the fourth injection port 18, thereby casting the upper part of the handlebar. Then, the lower molding mold 12 and the upper molding mold 13 of the handlebar are separated so that the cast aluminum handlebar can be taken out and the excess structure can be removed. Finally, the molded upper and lower handlebars are assembled and installed with screws.
[0042] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model based on the technical solution and its improved concept should be covered within the protection scope of the present utility model.
Claims
1. A mold for forming handlebars of electric bicycles, characterized in that: The system includes a lower handle forming mold (1) and an upper handle forming mold (2). Limit detection mechanisms (11) are provided on both sides of the lower handle forming mold (1) and the upper handle forming mold (2). The lower handle forming mold (1) includes an upper lower handle forming mold (3) and a lower lower handle forming mold (4). Two lower handle forming cavities (14) are provided between the upper lower handle forming mold (3) and the lower lower handle forming mold (4). Two connecting seat forming molds (5) are provided on the top of the lower lower handle forming mold (4). The upper lower handle forming mold (3)... The upper mold (3) of the lower handle is provided with two fixed molds (6). The upper mounting base (8) is provided on the top of the upper mold (3) of the lower handle. Multiple first hole forming molds (7) are provided inside the upper mold (3) of the lower handle. The upper mold (3) of the lower handle and the lower mold (4) of the lower handle are provided with first liquid injection ports (9) on their sides. The upper mold (3) of the lower handle and the lower mold (4) of the lower handle are provided with two second liquid injection ports (10) on their sides. The second liquid injection ports (10) and the first liquid injection ports (9) are connected to the lower handle forming cavity (14).
2. The electric bicycle handlebar forming mold according to claim 1, characterized in that: The upper handle forming mold (2) includes a lower upper handle forming mold (12) and an upper upper handle forming mold (13). Two upper handle forming cavities (15) are provided between the lower upper handle forming mold (12) and the upper upper handle forming mold (13). Multiple second forming molds (16) are provided inside the upper upper handle forming mold (13). A third liquid injection port (17) is provided on the side of both the lower upper handle forming mold (12) and the upper upper handle forming mold (13). Two fourth liquid injection ports (18) are provided on the side of both the lower upper handle forming mold (12) and the upper upper handle forming mold (13). The fourth liquid injection ports (18) and the third liquid injection ports (17) are connected to the upper handle forming cavity (15).
3. The electric bicycle handlebar forming mold according to claim 2, characterized in that: The limit detection mechanism (11) includes an upper limit seat (20) installed on the side of the upper mold (3) of the lower handle and the upper mold (13) of the upper handle, and a lower limit seat (21) installed on the side of the lower mold (4) of the lower handle and the lower mold (12) of the upper handle. The top surface of the lower limit seat (21) is provided with a slot (22). A contact sensor (24) is fixedly installed at the bottom of the inner cavity of the slot (22). A plug (23) is fixedly connected to the bottom surface of the upper limit seat (20). The bottom end of the plug (23) is movably sleeved into the inner cavity of the slot (22) and in contact with the contact sensor (24). The side of the plug (23) is in contact with the inner wall of the slot (22). A red and green dual-color light (25) is fixedly installed on the outer side of the lower limit seat (21).
4. The electric bicycle handlebar forming mold according to claim 3, characterized in that: The bottom of the lower limit seat (21) is provided with an installation groove (32), the inner cavity of the installation groove (32) is provided with a controller (35), the inner cavity of the installation groove (32) is provided with a storage battery (34), and the bottom of the inner cavity of the installation groove (32) is hinged with a sealing door (33).
5. The electric bicycle handlebar forming mold according to claim 3, characterized in that: The lower handle upper forming mold (3) and the upper handle upper forming mold (13) are provided with first screw holes (28) on their sides. The upper limit seat (20) is provided with a first mounting hole (26). A first bolt (27) is fitted on the first mounting hole (26). The end of the first bolt (27) is threaded into the inner cavity of the first screw hole (28). The lower handle lower forming mold (4) and the upper handle lower forming mold (12) are provided with second screw holes (31) on their sides. The lower limit seat (21) is provided with a second mounting hole (29). A second bolt (30) is fitted on the second mounting hole (29). The end of the second bolt (30) is threaded into the inner cavity of the second screw hole (31).
6. The electric bicycle handlebar forming mold according to claim 1, characterized in that: Cooling channels (19) are provided on the lower handle upper forming mold (3), lower handle lower forming mold (4), upper handle lower forming mold (12) and upper handle upper forming mold (13).