Anti-interference secondary injection molding speed regulating handle of electric vehicle

Abstract

The utility model relates to an anti-interference secondary injection molding speed regulating handle of an electric vehicle, which comprises a handle sleeve, a Hall seat and a Hall assembly, the handle sleeve rotates relative to the Hall seat, the handle core is further included, a magnetic steel seat is arranged at the end, facing the Hall seat, of the handle core, magnetic steel is arranged on the magnetic steel seat, the handle sleeve is sleeved on the periphery of the handle core, and the Hall assembly is arranged on the Hall seat. One end, facing the magnetic steel seat, of the handlebar sleeve is provided with an arc-shaped disc, the arc-shaped disc covers the periphery of the magnetic steel seat and is matched with the magnetic steel seat and the handlebar core in a limiting manner, the Hall component comprises a PCB (printed circuit board), a Hall element and an anti-interference element, the Hall element and the anti-interference element are arranged on the PCB, and the PCB is inserted into the Hall seat. By adopting the technical scheme, the anti-interference secondary injection molding speed regulating handle for the electric vehicle has the advantages that the handle core is directly subjected to secondary injection molding on the handle sleeve to form a whole, the subsequent manual glue brushing process is omitted, the overall strength of the rotating handle is improved, the handle core and the handle sleeve are not easy to be degummed in high and low temperature environments, and the anti-interference secondary injection molding speed regulating handle is more environment-friendly.

Description

Technical Field

[0001] The utility model relates to the technical field of speed regulating handles, in particular to an anti-interference secondary injection molding speed regulating handle for an electric vehicle. Background Art

[0002] In the field of electric motorcycles and electric bicycles, a speed regulating handlebar is often used to adjust the vehicle's speed. The existing speed regulating handlebar generally includes a handlebar, a magnetic steel seat, a Hall seat, a Hall element and a magnetic steel. The Hall seat is placed at the front end of the handlebar, and the Hall element is installed on the Hall seat. The handlebar rotates relative to the Hall seat, and the magnetic steel is installed on the magnetic steel seat. The magnetic steel seat and the handlebar rotate synchronously, driving the magnetic steel to rotate relative to the Hall element, and the Hall element outputs a corresponding electrical signal, thereby achieving the purpose of controlling the vehicle speed.

[0003] During the installation of the existing battery bike speed control handlebar, the magnetic steel seat and the handlebar are fixed together with glue. This installation method is relatively troublesome. It is necessary to manually apply glue and then let it stand, waiting for the glue between the magnetic steel seat and the handlebar to dry before the subsequent assembly steps can be carried out, which has low production efficiency. In addition, when the adhesive method is used for installation, in a continuous high temperature environment, the glue at the handlebar may come off, and a large gap may appear at the adhesive, affecting the synchronous rotation of the magnetic steel seat and the handlebar, and also affecting the aesthetics. Summary of the invention

[0004] The purpose of the utility model: in order to overcome the defects of the prior art, the utility model provides an anti-interference secondary injection molded speed regulating handle for an electric vehicle, in which the handle core is directly secondary injection molded on the handle cover to form an integral whole, eliminating the subsequent manual gluing process, improving the overall strength of the handle, and the handle core and the handle cover are not easy to debond in high and low temperature environments, and it is also more environmentally friendly.

[0005] The technical solution of the utility model is as follows: an anti-interference secondary injection molding speed control handle of an electric vehicle, comprising a handle cover, a Hall seat and a Hall component arranged on the Hall seat, the handle cover rotates relative to the Hall seat, and also comprises a handle core, a magnetic steel seat is arranged at the end of the handle core facing the Hall seat, a magnetic steel is arranged on the magnetic steel seat, the handle cover is arranged on the outer periphery of the handle core, the end of the handle cover facing the magnetic steel seat has an arc-shaped disk, the arc-shaped disk-shaped cover is arranged on the outer periphery of the magnetic steel seat, and cooperates with the magnetic steel seat and the handle core in a limiting manner, the Hall component comprises a PCB board, a Hall element and an anti-interference element, the Hall element and the anti-interference element are arranged on the PCB board, and the PCB board is inserted into the Hall seat.

[0006] By adopting the above technical scheme, secondary injection molding is performed in the handle cover to form a handle core, and the handle core and the handle cover are integrated, eliminating the need for subsequent manual glue brushing for fixation, so that the handle cover and the handle core have good integrity and high strength, and avoid the problem of debonding of the handle cover and the handle core after long-term use. It is also more environmentally friendly. The contact area between the handle cover and the handle core is increased through the cooperation of the card slot and the arc-shaped disc-shaped outer edge and the positioning block and the positioning slot, so that the two are directly injected into one body, and have anti-interference function, and the anti-interference element adopts EMC anti-interference element.

[0007] The utility model is further configured as follows: a mounting cavity is provided on the Hall seat, the PCB board is inserted into the mounting cavity, and is packaged by glue injection.

[0008] With the above further configuration, the waterproof performance is good, and the PCB board is prevented from being affected by water ingress.

[0009] The utility model is further configured as follows: an extended edge is provided on the handle core along its circumference, the extended edge is separated from the magnetic steel seat to form a positioning groove, a clamping groove is provided on the magnetic steel seat along its circumference, a positioning block is provided on the inner side wall of the arc-shaped disk, the outer edge of the arc-shaped disk is clamped in the clamping groove, and the positioning block is located in the positioning groove.

[0010] By adopting the above further arrangement, the overall consistency between the handle cover and the handle core is good and the strength is high.

[0011] The utility model is further configured as follows: a plurality of notches are arranged on the extension edge, and convex blocks are arranged on the arc-shaped disk, and the convex blocks are located in the notches.

[0012] By adopting the above-mentioned further arrangement, the integrity between the handle cover and the handle core is further improved.

[0013] The utility model is further configured as follows: a bushing is provided in the handle core, a connecting column is provided on the side of the Hall seat facing the handle sleeve, the connecting column extends into the handle core and passes through the bushing, a flange is provided at the end of the connecting column, and the end of the bushing abuts against the flange.

[0014] With the above arrangement further, a reset torsion spring is provided on the connecting column to reset the handle sleeve after the handle sleeve is rotated. The structural layout is reasonable, and the handle sleeve has good stability when rotating. The bushing rotates synchronously with the handle core, providing stability to the handle core.

[0015] The utility model is further configured as follows: a connecting block is provided on the bushing, a connecting bayonet is correspondingly provided on the magnetic steel seat, and the connecting block is clamped in the connecting bayonet.

[0016] By adopting the above-mentioned further arrangement, the connection structure is simple, and the bushing and the magnetic steel seat have good stability after being connected.

[0017] The utility model is further configured as follows: a fastening aluminum ring and a receiving cavity are provided on the Hall seat, the fastening aluminum ring is located in the receiving cavity, and a mounting hole is provided on the fastening aluminum ring, a slot is correspondingly opened on the Hall seat, a locking piece is passed through the slot, and the locking piece extends through the slot to the mounting hole.

[0018] By further setting the above, the fastening aluminum ring and the Hall seat are fixedly installed on the handlebar tube by tightening the locking piece, and the handle cover and the handle core are rotated on the Hall seat. The structure is firm and easy to disassemble and assemble. The locking piece is set with a hexagon socket screw.

[0019] The utility model is further configured as follows: a cover plate is also provided on the Hall seat, the cover plate is connected to the Hall seat through fasteners, a receiving groove is provided on the Hall seat at a position corresponding to the notch, a mounting tube with openings at both ends is provided on the cover plate, the mounting tube is located in the receiving cavity, and the locking member is located in the mounting tube.

[0020] By adopting the above-mentioned further arrangement, the fastening aluminum ring is limited to prevent it from falling off, and the stability is good.

[0021] The utility model is further configured as follows: the cover plate is provided with a hook and a wire outlet for the Hall wire harness to pass through, the Hall seat is provided with a connecting boss, and the hook is arranged on the connecting boss.

[0022] With the above further arrangement, the wire outlet can guide the Hall wire harness, making it easier to connect it to the outside, and the cooperation between the hook and the connecting boss further limits the cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is an exploded view of a specific embodiment of the utility model;

[0024] Figure 2 This is a schematic diagram of the overall installation of a specific embodiment of the utility model;

[0025] Figure 3 It is a schematic diagram of a Hall component of a specific embodiment of the utility model;

[0026] Figure 4 It is a schematic diagram of a Hall seat of a specific embodiment of the utility model;

[0027] Figure 5 It is a cross-sectional view of a specific embodiment of the utility model;

[0028] Figure 6 for Figure 5 A magnified view of part A;

[0029] Figure 7 This is a schematic diagram of a core according to a specific embodiment of the utility model;

[0030] Figure 8 This is an exploded view of the Hall seat, bushing and handle core of a specific embodiment of the utility model;

[0031] Fig. 9 This is a schematic diagram of a Hall seat device on a handlebar tube in a specific embodiment of the utility model;

[0032] Fig.10 It is a schematic diagram of a cover plate according to a specific embodiment of the utility model.

[0033] In the figure: 1. handle cover; 11. arc-shaped disk; 111. positioning block; 2. Hall seat; 21. installation cavity; 22. connecting column; 221. flange; 23. accommodation cavity; 24. notch; 25. accommodation groove; 3. Hall assembly; 31. PCB board; 311. Hall wiring harness; 32. Hall element; 33. anti-interference element; 4. handle core; 41. magnetic steel seat; 411. magnetic steel; 412. slot; 413. connecting bayonet; 42. extension edge; 421. notch; 43. positioning groove; 5. bushing; 51. connecting card block; 6. reset torsion spring; 7. fastening aluminum ring; 8. locking piece; 9. cover plate; 91. fastener; 92. installation tube; 93. hook; 94. outlet; 10. handlebar tube. DETAILED DESCRIPTION

[0034] The technical scheme in this embodiment will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] It should be noted that in the description of the present utility model, all directional indications (such as up, down, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0036] In addition, the descriptions of "first", "second", etc. in the present invention are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. In the description of the present invention, the meaning of "several" is at least two, such as two, three, etc., unless otherwise clearly and specifically limited.

[0037] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that technical personnel in this field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0038] like Figure 1-10 As shown, an anti-interference secondary injection molding speed control handle of an electric vehicle includes a handle cover 1, a Hall seat 2 and a Hall component 3 arranged on the Hall seat 2. The handle cover 1 rotates relative to the Hall seat 2, and also includes a handle core 4. The end of the handle core 4 facing the Hall seat 2 is provided with a magnetic steel seat 41, and the magnetic steel seat 41 is provided with a magnetic steel 411. The handle cover 1 is sleeved on the outer periphery of the handle core 4, and the end of the handle cover 1 facing the magnetic steel seat 41 has an arc-shaped disk 11, and the arc-shaped disk 11 is covered and arranged on the outer periphery of the magnetic steel seat 41, and is limitedly matched with the magnetic steel seat 41 and the handle core 4. The Hall component 3 includes a PCB board 31, a Hall element 32 and an anti-interference element 3 3. The Hall element 32 and the anti-interference element 33 are arranged on the PCB board 31. The PCB board 31 is inserted into the Hall seat 2. The PCB board 31 is also provided with a Hall harness 311. The Hall harness 311 extends out of the Hall seat 2 and is secondary-molded in the handle cover 1 to form a handle core 4. The handle core 4 is integrated with the handle cover 1, eliminating the need for subsequent manual glue brushing for fixation, so that the handle cover 1 and the handle core 4 have good integrity and high strength, and the handle cover 1 and the handle core 4 are not easy to debond under high and low temperature environments, which is more environmentally friendly and has an anti-interference function. The anti-interference element 33 uses an EMC anti-interference element 33. The Hall seat 2 is provided with an installation cavity 21, and the PCB board 31 is inserted into the installation cavity 21, and is sealed by glue injection, with good waterproof performance, to prevent water from affecting the PCB board 31.

[0039] The handle core 4 is provided with an extended edge 42 along its circumference, and the extended edge 42 is separated from the magnetic steel seat 41 to form a positioning groove 43. The magnetic steel seat 41 is provided with a clamping groove 412 along its circumference. A positioning block 111 is provided on the inner side wall of the arc-shaped disk 11, and the outer edge of the arc-shaped disk 11 is clamped in the clamping groove 412. The positioning block 111 is located in the positioning groove 43. The overall consistency between the handle cover 1 and the handle core 4 is good and the strength is high. The extended edge 42 is provided with a plurality of notches 421, and the arc-shaped disk 11 is provided with a convex block, and the convex block is located in the notch 421. Through the cooperation of the clamping groove 412 and the outer edge of the arc-shaped disk 11 and the positioning block 111 and the positioning groove 43, the contact area between the handle cover 1 and the handle core 4 is increased, so that the two are directly formed into one body by secondary injection molding, and the integrity between the handle cover 1 and the handle core 4 is further improved.

[0040] The handle core 4 is provided with a bushing 5, and the Hall seat 2 is provided with a connecting column 22 on the side facing the handle cover 1. The connecting column 22 extends into the handle core 4 and passes through the bushing 5. The end of the connecting column 22 is provided with a flange 221, and the end of the bushing 5 abuts against the flange 221. A reset torsion spring 6 is sleeved on the connecting column 22 to reset the handle cover 1 after the handle cover 1 is rotated. The structure layout is reasonable, and the handle cover 1 has good stability when it rotates. The bushing 5 rotates synchronously with the handle core 4 to provide stability for the handle core 4. The bushing 5 is provided with a connecting block 51, and the magnetic steel seat 41 is correspondingly provided with a connecting bayonet 413. The connecting block 51 is clamped in the connecting bayonet 413. The connection structure is simple, and the bushing 5 has good stability after being connected to the magnetic steel seat 41.

[0041] The Hall seat 2 is provided with a fastening aluminum ring 7 and a receiving cavity 23, the fastening aluminum ring 7 is located in the receiving cavity 23, and a mounting hole is provided on the fastening aluminum ring 7, a notch 24 is correspondingly opened on the Hall seat 2, a locking piece 8 is passed through the notch 24, and the locking piece 8 extends through the notch 24 to the mounting hole, and the fastening aluminum ring 7 and the Hall seat 2 are fixedly installed on the handlebar tube 10 by tightening the locking piece 8, and the handle cover 1 and the handle core 4 are rotated on the Hall seat 2, the structure is firm, and it is easy to disassemble and assemble, and the locking piece 8 is set with a hexagon socket screw.

[0042] The Hall seat 2 is also provided with a cover plate 9, which is connected to the Hall seat 2 through a fastener 91. The fastener 91 is set with screws or the like. The Hall seat 2 is provided with a receiving groove 25 at the position corresponding to the notch 24. The cover plate 9 is provided with a mounting tube 92 with both ends opened. The mounting tube 92 is located in the receiving cavity 23. The locking member is located in the mounting tube 92, which limits the fastening aluminum ring 7 to prevent it from detaching, and has good stability. The cover plate 9 is provided with a hook 93 and an outlet 94 for the Hall harness 311 to pass through. The Hall seat 2 is provided with a connecting boss. The hook 93 is hooked on the connecting boss. The outlet 94 can guide the Hall harness 311 to facilitate its connection with the outside. The cooperation between the hook 93 and the connecting boss 26 further limits the cover plate 9.

Claims

1. An anti-interference secondary injection molded speed control handle for an electric vehicle, comprising a handle cover (1), a Hall seat (2), and a Hall assembly (3) arranged on the Hall seat (2), wherein the handle cover (1) rotates relative to the Hall seat (2), and is characterized in that: The invention also comprises a handle core (4), wherein a magnetic steel seat (41) is provided at an end of the handle core (4) facing the Hall seat (2), and a magnetic steel (411) is provided on the magnetic steel seat (41); the handle cover (1) is sleeved on the outer periphery of the handle core (4), and one end of the handle cover (1) facing the magnetic steel seat (41) comprises an arc-shaped disc (11), and the arc-shaped disc (11) is covered on the outer periphery of the magnetic steel seat (41) and is limitedly matched with the magnetic steel seat (41) and the handle core (4); the Hall assembly (3) comprises a PCB board (31), a Hall element (32) and an anti-interference element (33), wherein the Hall element (32) and the anti-interference element (33) are arranged on the PCB board (31), and the PCB board (31) is inserted into the Hall seat (2).

2. The anti-interference secondary injection molding speed control handle of an electric vehicle according to claim 1, characterized in that: The Hall seat (2) is provided with a mounting cavity (21), and the PCB board (31) is inserted into the mounting cavity (21) and packaged by glue injection.

3. The anti-interference secondary injection molding speed control handle of an electric vehicle according to claim 1 or 2, characterized in that: An extended edge (42) is provided on the handle core (4) along its circumference, and the extended edge (42) is separated from the magnetic steel seat (41) to form a positioning groove (43). A clamping groove (412) is provided on the magnetic steel seat (41) along its circumference. A positioning block (111) is provided on the inner side wall of the arc-shaped disk (11), and the outer edge of the arc-shaped disk (11) is clamped in the clamping groove (412), and the positioning block (111) is located in the positioning groove (43).

4. The electric vehicle anti-interference secondary injection molding speed control handle according to claim 3, characterized in that: A plurality of notches (421) are provided on the extended edge (42), and a protrusion (112) is provided on the arc-shaped disc (11), and the protrusion (112) is located in the notch (421).

5. The anti-interference secondary injection molding speed control handle of an electric vehicle according to claim 1 or 2, characterized in that: A bushing (5) is provided in the handle core (4), and a connecting column (22) is provided on a side of the Hall seat (2) facing the handle cover (1). The connecting column (22) extends into the handle core (4) and passes through the bushing (5). A flange (221) is provided at the end of the connecting column (22), and the end of the bushing (5) abuts against the flange (221).

6. The anti-interference secondary injection molding speed control handle of an electric vehicle according to claim 5, characterized in that: The bushing (5) is provided with a connection block (51), and the magnetic steel seat (41) is correspondingly provided with a connection bayonet (413), and the connection block (51) is clamped in the connection bayonet (413).

7. The electric vehicle anti-interference secondary injection molding speed control handle according to claim 3, characterized in that: The Hall seat (2) is provided with a fastening aluminum ring (7) and a receiving cavity (23), the fastening aluminum ring (7) is located in the receiving cavity (23), and a mounting hole is provided on the fastening aluminum ring (7), and a notch (24) is correspondingly provided on the Hall seat (2), a locking member (8) is inserted into the notch (24), and the locking member (8) passes through the notch (24) and extends into the mounting hole.

8. The electric vehicle anti-interference secondary injection molding speed control handle according to claim 7, characterized in that: The Hall seat (2) is also provided with a cover plate (9), the cover plate (9) being connected to the Hall seat (2) via a fastener (91), a receiving groove (25) being provided on the Hall seat (2) at a position corresponding to the notch (24), the cover plate (9) being provided with a mounting tube (92) with openings at both ends, the mounting tube (92) being located in the receiving cavity (23), and the locking member being located in the mounting tube (92).

9. The electric vehicle anti-interference secondary injection molding speed control handle according to claim 8, characterized in that: The cover plate (9) is provided with a hook (93) and a wire outlet (94) for the Hall wire harness (311) to pass through, and the Hall seat (2) is provided with a connecting boss, and the hook (93) is hooked on the connecting boss.

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