Safe anti-falling rotating handle

Abstract

The utility model relates to the field of part structures of riding electric vehicles, and discloses a safe anti-falling rotating handle which comprises a magnetic steel seat, a Hall seat and a rotating handle bottom shell, magnetic steel is installed at the end, away from a holding part of the rotating handle, of the magnetic steel seat, and the magnetic steel seat can be arranged on a handle framework in a sleeved mode; the Hall seat is provided with a sensor mounting part, the sensor mounting part corresponds to the magnetic steel, and the sensor mounting part is used for mounting a Hall sensor; the end, provided with the magnetic steel, of the magnetic steel base is rotationally connected to the inner side of the rotating handle bottom shell, and the Hall base is connected to the rotating handle bottom shell. The beneficial effects of the utility model are that the connection point of the Hall seat, the bottom shell and the magnetic steel seat is arranged at one end of the magnetic steel seat far away from the holding part of the rotating handle, so that the diameter of the holding part of the rotating handle is reduced, and the user experience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technology of riding electric motor car part structure, concretely relates to a safe anti -drop steering handle. BACKGROUND

[0002] Electric bicycle, electric motorcycle and electric tricycle have been people's daily travel tool for a long time. The current electric bicycle, electric motorcycle and electric tricycle are all using steering handle to start, speed regulation and close electric vehicle.

[0003] At present, the hall seat and the magnetic steel seat on the steering handle are connected through the plastic buckle integrated on the hall seat, the plastic buckle is arranged on the outer periphery of the hall seat, and the magnetic steel seat is sleeved on the outer side of the hall seat. Since the buckle position is located on the inner side of the steering handle gripping part, the diameter of the steering handle gripping part is large, and the user experience is not good. INVENTION CONTENTS

[0004] The utility model solves the technical problem that the buckle of the current steering handle structure is arranged on the inner side of the steering handle gripping part, the diameter of the gripping part is large, the user experience is not good, and aims at providing a safe anti -drop steering handle. The connecting point of the hall seat, the bottom shell and the magnetic steel seat is arranged at the end of the magnetic steel seat away from the steering handle gripping part, the diameter of the steering handle gripping part is reduced, and the user experience of the user is improved.

[0005] The utility model realizes the following technical scheme:

[0006] A safe anti -drop steering handle, including magnetic steel seat, hall seat and steering handle bottom shell, the magnetic steel seat is installed with magnetic steel at the end away from the steering handle gripping part, the magnetic steel seat can be sleeved on the handle skeleton;The sensor mounting portion is arranged on the hall seat, the sensor mounting portion corresponds with the magnetic steel, and the sensor mounting portion is used for installing the hall sensor;The end of the magnetic steel seat installed with the magnetic steel is rotatably connected in the inner side of the steering handle bottom shell, and the hall seat is connected on the steering handle bottom shell.

[0007] The utility model has the advantages that the magnetic steel is installed at the end of the magnetic steel seat away from the steering handle gripping part, the position with larger outer diameter of the magnetic steel seat is arranged at one end of the magnetic steel seat, the end of the magnetic steel seat installed with the magnetic steel is rotatably connected in the inner side of the steering handle bottom shell, the hall seat is connected on the steering handle bottom shell, the connecting point of the hall seat, the bottom shell and the magnetic steel seat is located at the end of the magnetic steel seat away from the steering handle gripping part, instead of connecting the magnetic steel seat and the hall seat together through the buckle, the diameter of the steering handle gripping part is reduced, and the user experience of the user is improved.

[0008] In some embodiments, the magnetic steel seat comprises a magnetic steel mounting portion, which is in the shape of a circular arc strip as a whole, protrudes from the outer periphery of the magnetic steel seat, and is provided with an arc-shaped slot, and the magnetic steel is mounted in the arc-shaped slot. The magnetic steel is positioned by providing the magnetic steel mounting portion on the magnetic steel seat and the arc-shaped slot for mounting the magnetic steel on the magnetic steel mounting portion.

[0009] In some embodiments, the handle inner core and the magnetic steel seat are both in the shape of a cylindrical shell as a whole, the handle inner core is sleeved on the magnetic steel seat, the inner side wall of the handle inner core is provided with a first clamping slot and a second clamping slot, the magnetic steel seat is provided with a protruding rib and a plurality of protruding blocks, the protruding blocks are matched with the second clamping slot, and the protruding rib is matched with the first clamping slot. The relative displacement between the handle inner core and the magnetic steel seat is prevented when the handle rotates, the overall quality of the handle is ensured, and the handle inner core is prevented from falling off by providing the first clamping slot and the second clamping slot on the inner side wall of the handle inner core, matching the protruding blocks provided on the magnetic steel seat with the second clamping slot, and matching the protruding rib provided on the magnetic steel seat with the first clamping slot. Meanwhile, the protruding rib also has a foolproof function, which ensures the accuracy of the assembly position.

[0010] In some embodiments, the handle inner core and the magnetic steel seat are both in the shape of a cylindrical shell as a whole, the handle inner core is sleeved on the magnetic steel seat, the inner side wall of the handle inner core is provided with a first clamping slot and a second clamping slot, the magnetic steel seat is provided with a protruding rib and a plurality of protruding blocks, the protruding blocks are matched with the second clamping slot, and the protruding rib is matched with the first clamping slot. The relative displacement between the handle inner core and the magnetic steel seat is prevented when the handle rotates, the overall quality of the handle is ensured, and the handle inner core is prevented from falling off by providing the first clamping slot and the second clamping slot on the inner side wall of the handle inner core, matching the protruding blocks provided on the magnetic steel seat with the second clamping slot, and matching the protruding rib provided on the magnetic steel seat with the first clamping slot. Meanwhile, the protruding rib also has a foolproof function, which ensures the accuracy of the assembly position.

[0011] In some embodiments, the protruding block is obliquely arranged, the handle inner core is provided with an end disc, and the included angle between the end disc and the protruding block is an acute angle. The rubber sleeve is further prevented from falling off along the handle shaft by obliquely arranging the protruding block.

[0012] In some embodiments, the handle bottom shell is in the shape of a whole ring, the outer side of the handle bottom shell is provided with a third clamping groove, the Hall seat is provided with a buckle, the buckle is clamped with the third clamping groove, the end of the handle bottom shell away from the handle inner core is provided with two limiting columns, a sliding channel is arranged between the two limiting columns, and the magnetic steel mounting portion can rotate along the sliding channel. By clamping the buckle provided on the Hall seat with the third clamping groove provided on the handle bottom shell, the Hall seat and the handle bottom shell are positioned and connected, two limiting columns are arranged at the end of the handle bottom shell away from the handle inner core, the rotating range of the magnetic steel mounting portion is limited, and the rotating range of the magnetic steel is limited, so that the magnetic steel can only rotate within the range in which the Hall sensor receives information.

[0013] In some embodiments, a locking ring is further arranged, the locking ring is provided with an opening, the two ends of the opening are provided with locking threads, a locking screw is screwed with the locking threads, the locking ring is clamped on the handle skeleton, the end of the Hall seat away from the handle bottom shell is provided with a mounting groove for mounting the locking ring, and a through hole is arranged on the side wall of the mounting groove and used for the locking screw to pass through. By arranging the mounting groove for mounting the locking ring on the Hall seat, the locking ring is limited, the locking screw is further arranged to adjust the size of the inner ring of the locking ring, the locking ring is clamped on the handle skeleton, and the through hole is further arranged on the Hall seat and used for the locking screw to pass through, so that the locking ring and the Hall seat are prevented from rotating during work.

[0014] In some embodiments, screw mounting holes are arranged on the cover plate and the Hall seat, a support is arranged on the handle bottom shell, threaded holes are arranged on the support and the limiting column, and a fixed screw is screwed with the threaded holes after passing through the screw mounting holes on the cover plate and the screw mounting holes on the Hall seat in sequence. By sequentially connecting the cover plate and the Hall seat on the bottom shell, the relative rotation between the three is prevented, and the relative rotation between the three and the handle skeleton is also prevented.

[0015] In some embodiments, a torsional spring is further arranged between the magnetic steel seat and the Hall seat, and the two ends of the torsional spring are clamped on the magnetic steel mounting portion and the Hall seat respectively. By arranging the torsional spring, the reset force of the torsional spring is utilized to drive the magnetic steel seat, the handle bottom shell, the handle inner core and the rubber sleeve to reset after the handle is rotated, the magnetic steel seat, the handle bottom shell, the handle inner core and the rubber sleeve are driven to rotate when an operator twists the position of the rubber sleeve (the handle holding portion), and the speed is adjusted, and the electric two-wheeled vehicle or three-wheeled vehicle is started or stopped.

[0016] In some embodiments, a Hall wire harness is further arranged, and one end of the Hall wire harness away from the cover plate is connected with the Hall sensor.

[0017] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0018] 1. The connecting point of the Hall seat, the bottom shell and the magnetic steel seat is located at the end of the magnetic steel seat away from the rotating handle grip, instead of connecting the magnetic steel seat and the Hall seat together through buckles, reducing the diameter of the rotating handle grip and improving the user experience of users.

[0019] 2. By setting the first and second clamping grooves on the inner side wall of the rotating handle inner core, the protrusions on the magnetic steel seat are matched with the second clamping grooves, and the protrusions on the magnetic steel seat are matched with the first clamping grooves, preventing relative displacement between the rotating handle inner core and the magnetic steel seat when the rotating handle rotates, ensuring the overall quality of the rotating handle, and preventing the rotating handle inner core from falling off. At the same time, the protrusions also have the function of preventing mistakes, ensuring the accuracy of the assembly position.

[0020] 3. By setting the fixing bolt to connect the side cover to the rotating handle inner core, and setting the rubber sleeve, there are grooves on the rubber sleeve which are matched with the protrusions and protrusions on the rotating handle inner core, preventing relative displacement between the rotating handle inner core and the rubber sleeve when the rotating handle inner core rotates, ensuring the overall quality of the rotating handle, and preventing the rubber sleeve from falling off.

[0021] 4. Two limiting columns are arranged at the end of the rotating handle bottom shell away from the rotating handle inner core, limiting the rotation range of the magnetic steel mounting part, and further limiting the rotation range of the magnetic steel, so that the magnetic steel can only rotate within the range of information received by the Hall sensor.

[0022] 5. The mounting groove for mounting the locking ring is arranged on the Hall seat, the locking ring is limited, and the locking screw is also arranged to adjust the size of the inner ring of the locking ring, which is clamped on the handle skeleton. A through hole is also provided on the Hall seat for the locking screw to pass through, preventing the locking ring and the Hall seat from rotating during work. DETAILED DESCRIPTION

[0023] The accompanying drawings described herein are used to provide further understanding of the embodiments of the present application, form a part of the present application, and do not constitute a limitation on the embodiments of the present application. In the drawings:

[0024] Figure 1 is the exploded view of the present application;

[0025] Figure 2 is the appearance structure diagram of the present application;

[0026] Figure 3 is a partial structure diagram of the present application;

[0027] Figure 4 is a partial structure diagram of the present application;

[0028] Figure 5 is a partial structure diagram of the present application;

[0029] Figure 6 is a structure diagram of the rotating handle bottom shell in the present application;

[0030] Figure 7 is a structural diagram of a rotating handle inner core in the utility model;

[0031] Figure 8 is a structural diagram of a Hall seat in the utility model;

[0032] Figure 9 is a structural diagram of the Hall seat from another perspective in the utility model;

[0033] Figure 10 is a structural diagram of the rotating handle bottom shell from another perspective in the utility model.

[0034] Markings in the drawings and corresponding component names:

[0035] Fixing screw 1, cover plate 2, threading part 21, positioning groove 201, Hall wire harness 3, Hall sensor 31, locking ring 4, locking screw 5, Hall seat 6, sensor mounting part 61, buckle 62, clamping hole 321, mounting groove 63, torsion spring 7, magnetic steel 8, magnetic steel seat 9, protruding rib 91, protruding block 92, magnetic steel mounting part 93, rotating handle bottom shell 10, third clamping groove 101, protruding buckle 1011, support column 102, slide 103, limiting column 104, fixing bolt 11, side cover 12, rotating handle inner core 13, protruding strip 131, first clamping groove 132, second clamping groove 133, protruding column 134, rubber sleeve 14. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below by combining with embodiments and drawings, and the schematic embodiment of the utility model and the description thereof are only used for explaining the utility model, and do not serve as the limitation of the utility model.

[0037] In the whole specification, the mention of "one embodiment", "embodiment", "one example" or "example" means that the specific features, structures or characteristics described in combination with the embodiment or example are contained in at least one embodiment of the utility model. Therefore, the phrases "one embodiment", "embodiment", "one example" or "example" appearing in various places in the whole specification do not necessarily refer to the same embodiment or example. In addition, specific features, structures or characteristics can be combined in one or more embodiments or examples in any appropriate combination and / or subcombination. In addition, those skilled in the art should understand that the drawings provided herein are for the purpose of illustration, and the drawings are not necessarily drawn to scale. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0038] In the description of the utility model, the terms "front", "back", "left", "right", "up", "down", "vertical", "horizontal", "high", "low", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the protection scope of the utility model.

[0039] The terms "first", "second" and the like used in the utility model are only for the sake of clear description of the corresponding components, and are not intended to limit any order or emphasize importance. In addition, the term "connection" used in this document can be direct connection or indirect connection via other components without special description.

[0040] Embodiment

[0041] As Figures 1-10 shown, the utility model provides a safe anti -drop rotary handle, including magnetic steel seat 9, hall seat 6 and rotary handle bottom shell 10, the magnetic steel seat 9 is installed with magnetic steel 8 away from rotary handle grip one end, the magnetic steel seat 9 can be set on handle skeleton;Sensor mounting portion 61 is provided on the hall seat 6, the sensor mounting portion 61 corresponds with the magnetic steel 8, the sensor mounting portion 61 is used to install hall sensor 31;The one end of the magnetic steel seat 9 installed with magnetic steel 8 is rotatably connected in the inside of rotary handle bottom shell 10, the hall seat 6 is connected on the rotary handle bottom shell 10.Hall seat 6, the connecting point of bottom shell and magnetic steel seat 9 is located at the one end of magnetic steel seat 9 away from rotary handle grip, instead of connecting magnetic steel seat 9 and hall seat 6 together through buckle 62, reduces the diameter of rotary handle grip, improves the user experience of user. The handle skeleton in the utility model is the skeleton of installing rotary handle.

[0042] Referring to Figures 1-5 , the magnetic steel seat 9 includes a magnetic steel mounting portion 93, which is in the shape of a circular arc strip. The magnetic steel mounting portion 93 protrudes from the outer periphery of the magnetic steel seat 9. An arc-shaped groove is provided on the magnetic steel mounting portion 93, and the magnetic steel 8 is installed in the arc-shaped groove. By providing the magnetic steel mounting portion 93 on the magnetic steel seat 9 and the arc-shaped groove for installing the magnetic steel 8 on the magnetic steel mounting portion 93, the magnetic steel 8 is positioned.

[0043] Referring to Figure 1 and Figure 8Further comprising a handle inner core 13, the handle inner core 13 and the magnetic steel base 9 are both in the shape of a cylindrical shell, the handle inner core 13 is sleeved on the magnetic steel base 9, a first clamping groove 132 and a second clamping groove 133 are arranged on the inner side wall of the handle inner core 13, a convex rib 91 and a plurality of convex blocks 92 are arranged on the magnetic steel base 9, the convex blocks 92 are matched with the second clamping groove 133, and the convex rib 91 is matched with the first clamping groove 132. By arranging the first clamping groove 132 and the second clamping groove 133 on the inner side wall of the handle inner core 13, and matching the convex blocks 92 arranged on the magnetic steel base 9 with the second clamping groove 133, and matching the convex rib 91 arranged on the magnetic steel base 9 with the first clamping groove 132, the relative displacement between the handle inner core 13 and the magnetic steel base 9 is prevented when the handle rotates, the overall quality of the handle is ensured, and the handle inner core 13 is prevented from falling off, and meanwhile the convex rib 91 also has a foolproof effect, ensuring the accuracy of the assembly position.

[0044] Referring to Figure 1 and Figure 7 Further comprising a side cover 12 and a rubber sleeve 14, the side cover 12 is sleeved on one end of the magnetic steel base 9 away from the handle inner core 13, a plurality of convex strips 131 are arranged on the outer periphery of the handle inner core 13, a convex column 134 is arranged on one end of the handle inner core 13 close to the handle bottom shell 10, a connecting thread is arranged on the convex column 134, a through hole is arranged on the side cover 12, a fixing bolt 11 passes through the through hole and is screwed with the connecting thread, the side cover 12 is connected on the handle inner core 13, and recesses matched with the convex strips 131 and the convex column 134 are arranged on the rubber sleeve 14, the rubber sleeve 14 is sleeved on the side cover 12 and the handle inner core 13. By arranging the fixing bolt 11 to connect the side cover 12 on the handle inner core 13, and arranging the rubber sleeve 14 and the recesses matched with the convex strips 131 and the convex column 134 arranged on the handle inner core 13 on the rubber sleeve 14, the relative displacement between the handle inner core 13 and the rubber sleeve 14 is prevented when the handle inner core 13 rotates, the overall quality of the handle is ensured, and the rubber sleeve 14 is prevented from falling off.

[0045] Referring to Figure 1 and Figure 7 Specifically, the included angle between the convex column 134 and the end of the handle inner core 13 is an acute angle, by arranging the convex column 134 to be inclined, the rubber sleeve 14 is further prevented from falling off along the handle axis.

[0046] Referring to Figures 1-6, the whole of the handle bottom shell 10 is circular, the outer side of the handle bottom shell 10 is provided with a third clamping groove 101, the Hall seat 6 is provided with a buckle 62, the buckle 62 is clamped with the third clamping groove 101, the end of the handle bottom shell 10 away from the handle inner core 13 is provided with two limiting columns 104, the two limiting columns 104 are provided with a slide 103, and the magnetic steel mounting part 93 can rotate along the slide 103. The third clamping groove 101 is arranged on the handle bottom shell 10 and clamped with the buckle 62 arranged on the Hall seat 6, the Hall seat 6 is positioned and connected with the handle bottom shell 10, two limiting columns 104 are arranged at the end of the handle bottom shell 10 away from the handle inner core 13, the rotation range of the magnetic steel mounting part 93 is limited, and then the rotation range of the magnetic steel 8 is limited, so that the magnetic steel 8 can only rotate within the range of information received by the Hall sensor.

[0047] Referring to Figures 7 to 10 , the third clamping groove 101 is provided with at least one, the number of buckles 62 clamped with the third clamping groove 101 is the same, when the number of third clamping grooves 101 is two or more, the third clamping grooves 101 can be arranged uniformly along the handle bottom shell 10. The third clamping groove 101 can also be provided with a protruding buckle 1011, and the buckle 62 can be provided with a clamping hole 321 matched with the protruding buckle 1011.

[0048] Referring to Figure 1 and Figure 8 , it also includes a locking ring 4, the locking ring 4 is provided with an opening, the two ends of the opening are provided with locking threads, the locking screw 5 is screwed with the locking threads, the locking ring 4 is clamped on the handle skeleton, the end of the Hall seat 6 away from the handle bottom shell 10 is provided with a mounting groove 63 mounting the locking ring 4, and the side wall of the mounting groove 63 is provided with a through hole for the locking screw 5 to pass through. The mounting groove 63 for mounting the locking ring 4 is arranged on the Hall seat 6, the locking ring 4 is limited, the locking screw 5 is also arranged to adjust the size of the inner ring of the locking ring 4, the locking ring 4 is clamped on the handle skeleton, and the through hole for the locking screw 5 to pass through is arranged on the Hall seat 6, preventing the locking ring 4 and the Hall seat 6 from rotating during work.

[0049] Referring to Figures 1-8 , the cover plate 2 and the Hall seat 6 are both provided with screw mounting holes, the handle bottom shell 10 is provided with a support column 102, the support column 102 and the limiting column 104 are both provided with threaded holes, and the fixed screw 1 is screwed with the threaded holes after passing through the screw mounting holes of the cover plate 2 and the screw mounting holes of the Hall seat 6 in sequence. The cover plate 2 and the Hall seat 6 are connected on the bottom shell in sequence, preventing relative rotation between the three, and the three also cannot relatively rotate with the handle skeleton.

[0050] Referring to Figure 1Further comprising a torsion spring 7, which is located between the magnet steel seat 9 and the Hall seat 6, and the two ends of the torsion spring 7 are clamped on the magnet steel mounting portion 93 and the Hall seat 6 respectively. By arranging the torsion spring 7, the reset force of the torsion spring 7 is utilized to reset the magnet steel seat 9, the handle bottom shell 10, the handle inner core 13 and the rubber sleeve 14 sleeved on the magnet steel seat 9 after rotating the handle, and the magnet steel seat 9, the handle bottom shell 10, the handle inner core 13 and the rubber sleeve 14 are rotated when the operator twists the position of the rubber sleeve 14 (the handle gripping portion), so that the speed is adjusted, and the electric two-wheeled vehicle or three-wheeled vehicle is closed or started.

[0051] Referring to Figure 1 Further comprising a Hall wire harness 3, which is connected with the Hall sensor 31 at the end away from the cover plate.

[0052] Referring to Figure 1 The cover plate 2 is provided with a threading portion 21, and the Hall wire harness 3 passes through the threading portion 21. The threading portion 21 is arranged to facilitate the passing of the Hall wire harness 3.

[0053] The above specific embodiments further specifically describe the purpose, technical scheme and beneficial effects of the utility model, and it should be understood that the above description is only a specific embodiment of the utility model, and is not used to limit the protection scope of the utility model. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A safety anti -run off swivel comprising: include: A magnetic steel seat, wherein a magnetic steel is mounted on one end of the magnetic steel seat away from the handle grip, and the magnetic steel seat can be sleeved on the handle frame; A Hall seat, wherein a sensor mounting portion is provided on the Hall seat, the sensor mounting portion corresponds to the magnetic steel, and the sensor mounting portion is used to mount a Hall sensor; The throttle bottom shell, the end of the magnetic steel seat on which the magnetic steel is installed is rotatably connected to the inner side of the throttle bottom shell, and the Hall seat is connected to the throttle bottom shell.

2. The safety anti-disengagement swivel of claim 1, wherein, The magnetic steel seat includes a magnetic steel mounting portion, which is in the shape of an arc strip as a whole. The magnetic steel mounting portion protrudes from the outer periphery of the magnetic steel seat. An arc groove is provided on the magnetic steel mounting portion, and the magnetic steel is installed in the arc groove.

3. The safety anti-disengagement swivel of claim 2, wherein, It also includes a throttle core, which and the magnetic steel seat are both in the shape of a cylindrical shell. The throttle core is sleeved on the magnetic steel seat. The inner side wall of the throttle core is provided with a first card slot and a second card slot. The magnetic steel seat is provided with a rib and several protrusions. The protrusion cooperates with the second card slot, and the rib cooperates with the first card slot.

4. The safety anti-disengagement swivel of claim 3, wherein, It also includes a side cover and a rubber sleeve, the side cover is arranged on the end of the magnetic steel seat away from the throttle core, the outer periphery of the throttle core is provided with several convex strips, the end of the throttle core close to the throttle bottom shell is provided with a convex column, the convex column is provided with a connecting thread, the side cover is provided with a through hole, the fixing bolt passes through the through hole and is screwed into the connecting thread to connect the side cover to the throttle core, the rubber sleeve is provided with grooves that respectively match the convex strips and the convex column, and the rubber sleeve is sleeved on the side cover and the throttle core.

5. The safety anti-disengagement swivel of claim 4, wherein, The convex column is arranged obliquely, and an end plate is arranged on the inner core of the turning handle, and the angle between the end plate and the convex column is an acute angle.

6. The safety anti -disengagement turn knob according to claim 2, wherein, The bottom shell of the throttle is in the shape of a circular ring as a whole, and at least one third slot is provided on the outer side of the bottom shell of the throttle. At least one buckle is provided on the Hall seat, and the buckle is engaged with the third slot. Two limiting columns are provided at the end of the bottom shell of the throttle away from the inner core of the throttle, and a slide is provided between the two limiting columns. The magnetic steel mounting part can rotate along the slide.

7. The safety anti -disengagement turn knob according to claim 4, wherein, It also includes a locking ring, which is provided with an opening, and locking threads are provided at both ends of the opening. The locking screw is screwed into the locking thread to clamp the locking ring on the handle frame. The end of the Hall seat away from the bottom shell of the turning handle is provided with a mounting groove for installing the locking ring, and the side wall of the mounting groove is provided with a through hole for the locking screw to pass through.

8. The safety anti-disengagement swivel of claim 7, wherein, It also includes a cover plate, which is provided with screw mounting holes on the cover plate and the Hall seat, and a support is provided on the bottom shell of the handle. The support and the limit column are provided with threaded holes, and the fixing screws pass through the screw mounting holes on the cover plate and the screw mounting holes on the Hall seat in sequence and are screwed into the threaded holes.

9. The safety anti -disengagement turn knob according to claim 2, wherein, It also includes a torsion spring, which is located between the magnetic steel seat and the Hall seat, and the two ends of the torsion spring are respectively clamped on the magnetic steel mounting portion and the Hall seat.

10. The safety anti-disengagement swivel as claimed in any of claims 1 to 8, characterized in that It also includes a Hall wiring harness, wherein one end of the Hall wiring harness away from the cover plate is connected to the Hall sensor.

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