Tail cover structure capable of achieving multi-gear switching and flashlight
The multi-level switching design, which combines a rotating ring with a Hall element, solves the problem of complex operation of traditional flashlights, enabling convenient and reliable multi-level switching, improving the user experience, the stability of the rotating ring, and its waterproof function.
Patent Information
- Application Number
- CN202520373789.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-03-05
AI Technical Summary
Traditional flashlights have a single on/off button design at the tail, which is insufficient to meet the needs of multi-mode operation, increases the possibility of accidental operation, and reduces the user experience.
The multi-gear switching design employs a rotating ring and a Hall element. The rotation of the ring triggers the Hall element to switch between different gears. It is directly connected to the button switch through the button assembly. Combined with the limit groove, positioning ball and waterproof ring, it achieves convenient and reliable multi-gear switching.
It enables convenient and reliable multi-gear switching, reduces operational complexity, improves user experience, and enhances the stability and waterproof function of the rotating ring.
Smart Images

Figure CN223795087U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to mobile lighting equipment technical field especially relates to a tail cover structure and flashlight of many gears can be switched. BACKGROUND
[0002] As a common portable lighting tool, flashlights are widely used in outdoor exploration, tourism, mine operation and household emergency scenes. The tail button design of the traditional flashlight usually only has a single switch function, which is used to control the opening and closing of the flashlight. However, with the diversification of user needs, the functions of the flashlight are gradually enriched, such as multi-gear brightness adjustment, flashing mode, SOS distress signal, etc. In this case, the design of a single switch cannot meet the convenience needs of multi-mode operation, and users need to switch functions through complex operations (such as multiple presses or long presses), which not only reduces the user experience, but also increases the possibility of misoperation.
[0003] Therefore, there is an urgent need for a convenient and reliable tail cover structure and flashlight that can switch multiple gears. INVENTION CONTENTS
[0004] The utility model aims at the shortage of prior art, provides a tail cover structure and flashlight that can switch multiple gears, which can conveniently and reliably realize the effect of multi-gear switching by rotating the rotating ring and pressing the key assembly, reducing the operation complexity and improving the user experience.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A tail cover structure that can switch multiple gears, comprising:
[0007] A tail cover shell, a containing space is formed in the tail cover shell, a first through hole is provided in the end face of the tail cover shell and communicates with the containing space;
[0008] A switch assembly installed in the containing space, the switch assembly includes a button switch at the center position and a plurality of Hall elements distributed in an arc shape;
[0009] A rotating ring is sleeved on the end face of the tail cover shell, a magnet is installed on the inner end face of the rotating ring, the magnet will pass above the Hall element when the rotating ring rotates, a key slot is also provided on the rotating ring, a second through hole corresponding to the first through hole is provided in the key slot;
[0010] A key assembly is installed in the key slot, the key assembly is connected to the button switch through the second through hole and the first through hole.
[0011] Furthermore, an arc-shaped limiting groove is provided at the end face of the tail cover housing, and a limiting member protrudes from the inner end face of the rotating ring and falls into the arc-shaped limiting groove. When the rotating ring rotates, the limiting member will slide in the arc-shaped limiting groove.
[0012] Furthermore, a positioning ball is installed on the end face of the tail cover housing, and multiple positioning grooves are provided on the inner end face of the rotating ring. When the magnet is above a Hall element, the positioning ball will fall into one of the positioning grooves.
[0013] Furthermore, an annular shaft is provided at the center of the inner end face of the rotating ring. The annular shaft passes through the first through hole and is connected to the receiving space. A fixing ring is also provided in the receiving space and is threadedly connected to the annular shaft for fixation.
[0014] Furthermore, the button assembly includes a button cap and a button rod connected together. The button cap is installed in the button slot, and the button rod passes through the second through hole and the first through hole and is connected to the button switch. A retaining spring is also provided at the inner end face of the rotating ring, and the retaining spring is sleeved on the button rod.
[0015] Furthermore, the button assembly also includes a return spring sleeved on the button rod and installed in the button slot.
[0016] Furthermore, the switch assembly includes a bracket, a first circuit board mounted on the upper end of the bracket, and a second circuit board mounted on the lower end of the bracket. The Hall element is located on the first circuit board, and the push-button switch is located on the second circuit board. A third through hole is provided at the center of the first circuit board, and the push-button switch is close to the third through hole. The button assembly presses the push-button switch through the third through hole.
[0017] Furthermore, a light guide is provided at the axial position of the button assembly, and an LED bead is also provided on the first circuit board near the third through hole.
[0018] Furthermore, a first waterproof ring is fitted onto the button assembly, and a second waterproof ring is provided between the rotating ring and the tail cap housing.
[0019] This utility model also provides a flashlight, including the tail cap structure with multiple speed settings, a lamp head assembly and a tube body, wherein the lamp head assembly and the tail cap housing are respectively installed at both ends of the tube body, and the button switch is a two-speed switch.
[0020] The beneficial effects of this utility model are:
[0021] The utility model discloses through the cooperation of rotating ring and hall element, realizes multi -gear switching function, and it is convenient for user to select different mode through the rotation operation, and the direct connection of button assembly and button switch makes the operation more convenient and intuitive, through the cooperation of arc limit slot and limit piece, it is convenient to control the rotation range, through the cooperation of positioning ball and locating groove, realizes the accurate positioning function of rotating ring, through the screw connection of annular axle and fixed ring, realizes the stable installation of rotating ring, through the design of support and double circuit board, realizes the modularization installation of switch assembly, and it is convenient to assemble and maintain, through the cooperation of light guide spare and lamp pearl, realizes the working state indication of button area, through the setting of first waterproof ring and second waterproof ring, realizes the waterproof function of tail cover structure, the utility model discloses can through the mode of rotating rotating ring and pressing button assembly conveniently and reliably realize the effect of multi -gear switching, reduces the operation complexity, improves the use experience. BRIEF DESCRIPTION OF DRAWINGS
[0022] ATTACHED Figure 1 It is the explosion structure schematic diagram of tail cover structure of the utility model,
[0023] ATTACHED Figure 2 It is the explosion structure schematic diagram of tail cover structure of the utility model,
[0024] ATTACHED Figure 3 It is the explosion structure schematic diagram of button assembly of the utility model,
[0025] ATTACHED Figure 4 It is the explosion structure schematic diagram of switch assembly of the utility model,
[0026] ATTACHED Figure 5 It is the sectional view of tail cover structure of the utility model,
[0027] ATTACHED Figure 6 It is the structure schematic diagram of flashlight of the utility model,
[0028] Marked in the drawing: 1-tail cover shell, 110-accommodation space, 120-first through -hole, 130-arc limit slot, 140-positioning ball, 2-switch assembly, 210-support, 220-first circuit board, 221-hall element, 222-third through -hole, 223-lamp pearl, 230-second circuit board, 231-button switch, 3-rotating ring, 310-magnet, 320-button slot, 321-second through -hole, 330-limit piece, 340-positioning groove, 350-annular axle, 360-fixed ring, 4-button assembly, 410-button cap, 420-button rod, 430-clamp spring, 440-return spring, 450-light guide spare, 5-first waterproof ring, 6-second waterproof ring, 7-lamp holder assembly, 8-cylinder. DETAILED DESCRIPTION
[0029] The embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary, and are intended to explain the present application, and cannot be understood as a limitation of the present application.
[0030] In the description of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "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 present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.
[0031] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly specified and limited.
[0032] In the embodiments of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0033] Referring to the drawings Figure 1 to the drawings Figure 6 , a specific embodiment of a tail cover structure and a flashlight provided by the present application is shown.
[0034] Referring to the drawings Figure 1 and the drawings Figure 2 , the tail cover structure with multiple gear switching includes:
[0035] The tail cover shell 1 is formed with a containing space 110 in the tail cover shell 1, and a first through hole 120 is formed at the end face of the tail cover shell 1 and communicated to the containing space 110;
[0036] The switch assembly 2 installed in the accommodating space 110 includes a button switch 231 located at the center position and a plurality of Hall elements 221 arranged in an arc shape;
[0037] The rotating ring 3 sleeved at the end surface of the tail cover shell 1 is provided with a magnet 310 at the inner end surface thereof, the magnet 310 passes above the Hall elements 221 when the rotating ring 3 rotates, and the rotating ring 3 is further provided with a key groove 320, and the second through hole 321 corresponding to the first through hole 120 is formed in the key groove 320;
[0038] The key assembly 4 installed in the key groove 320 is connected to the button switch 231 through the second through hole 321 and the first through hole 120.
[0039] Referring to the accompanying drawings Figure 1 and the accompanying drawings Figure 5 In the above embodiment, the rotating ring 3 is sleeved on the tail cover shell 1, when the rotating ring 3 rotates, the magnet 310 at the inner end surface of the rotating ring 3 passes above the plurality of Hall elements 221 arranged in an arc shape, triggering different Hall elements 221 to achieve the effect of multi-position switching, facilitating the user to select different modes through rotation operation, such as multi-position brightness adjustment, flashing mode, SOS distress signal, etc.; when the key assembly 4 is pressed, the key assembly 4 is connected to the button switch 231 through the second through hole 321 and the first through hole 120, facilitating the user to select different states through pressing operation, such as light on / off, etc. The embodiment realizes the integrated switch control structure of the flashlight tail cover, making the operation more convenient and intuitive.
[0040] Referring to the accompanying drawings Figure 1 and the accompanying drawings Figure 2 In the above embodiment, the arc-shaped limiting groove 130 is formed at the end surface of the tail cover shell 1, and the limiting piece 330 protruding and falling into the arc-shaped limiting groove 130 is arranged at the inner end surface of the rotating ring 3, and the limiting piece 330 will slide in the arc-shaped limiting groove 130 when the rotating ring 3 rotates. In the embodiment, the limiting piece 330 is a screw, and a screw hole is arranged at the inner end surface of the rotating ring 3, the limiting piece 330 is installed into the screw hole at the inner end surface of the rotating ring 3, and the nut part of the limiting piece 330 protrudes from the plane of the inner end surface of the rotating ring 3 and falls into the arc-shaped limiting groove 130. The arc-shaped limiting groove 130 and the limiting piece 330 cooperate to facilitate the control of the rotation range of the rotating ring 3, prevent the rotating ring 3 from rotating excessively, and improve the stability and reliability of the operation.
[0041] Referring to the accompanying drawings Figure 1 and the accompanying drawings Figure 2In the above embodiment, the end face of the tail cover shell 1 is provided with a positioning ball 140, and the inner end face of the rotating ring 3 is provided with a plurality of positioning grooves 340. When the magnet 310 corresponds to above one Hall element 221, the positioning ball 140 will fall into one of the positioning grooves 340. In the embodiment, one positioning ball 140 is provided, and the number of the positioning grooves 340 at the inner end face of the rotating ring 3 corresponds to the number of the Hall elements 221. Specifically, five Hall elements 221 are provided on the switch assembly 2, and five positioning grooves 340 are also provided at the inner end face of the rotating ring 3. When the rotating ring 3 is rotated to correspond to above any one Hall element 221, the positioning ball 140 will also fall into one of the positioning grooves 340, achieving the precise positioning function of the rotating ring 3, so that each gear switching has clear tactile feedback, facilitating the user to perceive the current gear and improving the operation experience.
[0042] Referring to the accompanying Figure 1 and the accompanying Figure 2 In the above embodiment, the inner end face of the rotating ring 3 is provided with an annular shaft 350 at the center position, the annular shaft 350 passes through the first through hole 120 and is connected to the containing space 110, and the containing space 110 is further provided with a fixing ring 360 which is threadedly connected and fixed with the annular shaft 350. In the embodiment, the outer diameter of the annular shaft 350 is adapted to the hole diameter of the first through hole 120, the rotating ring 3 is installed on the tail cover shell 1, the end part of the annular shaft 350 passes through the first through hole 120 and is placed into the containing space 110, and the fixing ring 360 is fixed on the annular shaft 350 from the containing space 110, achieving the stable installation of the rotating ring 3, facilitating the smooth rotation of the rotating ring 3, and enhancing the stability and durability of the overall structure.
[0043] Referring to the accompanying Figure 3 In the above embodiment, the key assembly 4 includes a key cap 410 and a key rod 420 connected together, the key cap 410 is installed in the key groove 320, the key rod 420 passes through the second through hole 321 and the first through hole 120 and is connected to the button switch 231, and the inner end face of the rotating ring 3 is further provided with a snap spring 430 which is sleeved on the key rod 420. In the embodiment, the key cap 410 and the key rod 420 are integrally formed, the key rod 420 passes through the second through hole 321 and is sleeved and fixed by the snap spring 430, achieving the stable installation and flexible pressing function of the key assembly 4, facilitating the user to control the button switch 231 through the key operation, and preventing the key assembly 4 from falling off or loosening.
[0044] Referring to the accompanying Figure 3In the above embodiment, the key assembly 4 further comprises a reset spring 440 sleeved on the key rod 420 and installed in the key groove 320. In the embodiment, the automatic reset function of the key assembly 4 is realized through the reset spring 440, so that the key cap 410 can quickly rebound under the elastic force of the reset spring 440 after being pressed, thereby improving the convenience and response speed of operation.
[0045] Referring to the accompanying Figure 4 In the above embodiment, the switch assembly 2 comprises a bracket 210, a first circuit board 220 installed on the upper end of the bracket 210, and a second circuit board 230 installed on the lower end of the bracket 210. The Hall element 221 is located on the first circuit board 220, and the button switch 231 is located on the second circuit board 230. A third through hole 222 is formed in the center of the first circuit board 220, and the button switch 231 is close to the third through hole 222. The key assembly 4 presses the button switch 231 through the third through hole 222. In the embodiment, the first circuit board 220 is located above the second circuit board 230, and when installed in the accommodation space 110, the Hall element 221 on the first circuit board 220 is closer to the magnet 310, thereby ensuring the stability of the rotation operation of the rotating ring 3. The button switch 231 is located on the second circuit board 230 and below the first circuit board 220, so that the button switch 231 has a larger installation space to be suitable for installing a switch with a longer key stroke. When a user presses the button switch 231 through the key assembly 4, the switch with a longer key stroke can have more definite tactile feedback, thereby facilitating the user to perceive the current switch state and improving the operation experience.
[0046] Referring to the accompanying Figure 3 and the accompanying Figure 4 In the above embodiment, a light guide piece 450 is arranged at the center of the key assembly 4, and a lamp bead 223 is further arranged on the first circuit board 220 close to the third through hole 222. In the embodiment, the lamp bead 223 is installed at the position close to the third through hole 222 on the lower surface of the first circuit board 220, and the light emitted by the lamp bead 223 is transmitted to the key cap 410 through the light guide piece 450, thereby facilitating the user to perceive the working state of the flashlight through the on-off or color change of the indicator light of the light guide piece 450.
[0047] Referring to the accompanying Figure 5 In the above embodiment, a first waterproof ring 5 is sleeved on the key assembly 4, and a second waterproof ring 6 is arranged between the rotating ring 3 and the tail cover shell 1. In the embodiment, the first waterproof ring 5 is used to prevent water from entering the tail cover from the key groove 320, and the second waterproof ring 6 is used to prevent water from entering the tail cover from between the rotating ring 3 and the tail cover shell 1, thereby realizing the waterproof function of the tail cover, facilitating the use in a humid or dusty environment, and improving the durability and applicability of the product.
[0048] Referring to the accompanying Figure 6The embodiment also provides a flashlight, which comprises the tail cover structure, and further comprises a lamp head assembly 7 and a barrel 8, the lamp head assembly 7 and the tail cover shell 1 are respectively arranged at two ends of the barrel 8, and the button switch 231 is a two-grade switch. In the embodiment, the button switch 231 is a two-grade switch, two modes of a low-brightness grade and a high-brightness grade are provided, and a user can switch multiple grades and working modes of the flashlight by rotating the rotary ring 3 or pressing the key groove 320, thereby improving the use experience.
[0049] In conclusion, the embodiment provides the tail cover structure and the flashlight with multiple grades, the multiple grade switching function is realized by cooperation of the rotary ring 3 and the Hall element 221, the user can select different modes by rotating operation, the direct connection of the key assembly 4 and the button switch 231 makes the operation more convenient and intuitive, the cooperation of the arc-shaped limiting groove 130 and the limiting piece 330 facilitates control of the rotation range, the cooperation of the positioning bead 140 and the positioning groove 340 realizes the accurate positioning function of the rotary ring 3, the threaded connection of the annular shaft 350 and the fixing ring 360 realizes the stable installation of the rotary ring 3, the design of the bracket 210 and the double circuit boards realizes the modular installation of the switch assembly 2, facilitating assembly and maintenance, the cooperation of the light guide piece 450 and the lamp bead 223 realizes the working state indication of the key area, the first waterproof ring 5 and the second waterproof ring 6 are arranged, realizing the waterproof function of the tail cover structure, the flashlight can realize the multiple grade switching effect conveniently and reliably by rotating the rotary ring 3 and pressing the key assembly 4, the operation complexity is reduced, and the use experience is improved.
[0050] The above-described embodiment is only one of the preferred specific modes of the utility model, and the usual changes and replacements made by the technicians within the technical scheme range of the utility model should be included in the protection range of the utility model.
Claims
1. A tail cap structure with multi-position switching, characterized in that, The utility model relates to a tail cover shell (1) is formed with containing space (110) in, the first through -hole (120) of opening to containing space (110) inside is set up at the end surface of tail cover shell (1), the switch assembly (2) of installing in containing space (110), the switch assembly (2) including the button switch (231) of central position and the multiple hall element (221) of arc distribution, the rotating ring (3) of setting in the end surface of tail cover shell (1), the magnet (310) of installing at the inner end surface of rotating ring (3), the magnet (310) will pass from the hall element (221) above when rotating ring (3) rotates, still be equipped with the key groove (320) on rotating ring (3), the second through -hole (321) of opening is set up with the first through -hole (120) corresponding in key groove (320), the key assembly (4) of installing in key groove (320), the key assembly (4) is connected to button switch (231) through the second through -hole (321) and the first through -hole (120). The end surface of tail cover shell (1) is set up arc limit slot (130), the inner end surface of rotating ring (3) is equipped with the limit piece (330) of protruding and falling into in arc limit slot (130), the limit piece (330) will slide in arc limit slot (130) when rotating ring (3) rotates. The end surface of tail cover shell (1) is installed with the positioning ball (140), the inner end surface of rotating ring (3) is equipped with multiple positioning slots (340), when the magnet (310) corresponds to one hall element (221) above, the positioning ball (140) will fall into one of positioning slots (340). The inner end surface center position of rotating ring (3) is set up annular shaft (350), annular shaft (350) is connected to containing space (110) through the first through -hole (120), containing space (110) is also equipped with fixed ring (360) and annular shaft (350) cooperation screw thread connection fixed. The key assembly (4) includes the key cap (410) and key rod (420) connected, the key cap (410) is installed in key groove (320), the key rod (420) is connected to button switch (231) through the second through -hole (321) and the first through -hole (120), the inner end surface of rotating ring (3) is also equipped with the clamping spring (430), the clamping spring (430) is set to key rod (420).
2. The multi-position tailgate structure of claim 1, wherein, The key assembly (4) also includes reset spring (440) set to key rod (420) and installed in key groove (320).
3. The multi-position tailgate structure of claim 2, wherein, 4. The multi-position tailgate structure of claim 1, wherein, 5. The multi-position tailgate structure of claim 1, wherein, 6. The multi-position tailgate structure of claim 5, wherein, 7. The multi-position tailgate structure of claim 1, wherein, The switch assembly (2) comprises a support (210), a first circuit board (220) mounted on the upper end of the support (210), and a second circuit board (230) mounted on the lower end of the support (210), the Hall element (221) is located on the first circuit board (220), the button switch (231) is located on the second circuit board (230), a third through hole (222) is formed in the center of the first circuit board (220), the button switch (231) is close to the third through hole (222), and the key assembly (4) presses the button switch (231) through the third through hole (222).
8. The multi-position tailgate structure of claim 7, wherein, The shaft center of the key assembly (4) is provided with a light guide piece (450), and the first circuit board (220) is further provided with a lamp bead (223) close to the third through hole (222).
9. The multi-position tailgate structure of claim 1, wherein, The key assembly (4) is sleeved with a first waterproof ring (5), and a second waterproof ring (6) is arranged between the rotating ring (3) and the tail cover shell (1).
10. A flashlight, characterized in that The tail cover structure capable of switching multiple gears comprises the tail cover shell (1), the rotating ring (3), the switch assembly (2), and the key assembly (4), and the tail cover structure further comprises a lamp head assembly (7) and a cylinder (8), the lamp head assembly (7) and the tail cover shell (1) are respectively mounted on two ends of the cylinder (8), and the button switch (231) is a two-gear switch.