Multi-light-source lighting device
By adopting a double-sealing structure in the switching structure of multi-source lighting equipment, the problem of poor sealing effect is solved, better waterproof and dustproof effect is achieved, and the service life of the equipment is extended.
Patent Information
- Application Number
- CN202423233318.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-26
AI Technical Summary
The existing multi-source lighting equipment has poor sealing in its switch structure, which makes it easy for foreign objects such as moisture and dust to enter the inner cavity, affecting the service life of the components.
The system employs a dual-sealing structure, including a first seal at the first through hole and a second seal at the second through hole, combined with an annular groove and a limiting element to ensure the seal between the switch and the through hole.
It effectively prevents moisture and dust from entering the inner cavity, improving the waterproof and dustproof capabilities of multi-light source lighting equipment and extending the service life of the equipment.
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Figure CN223610083U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mobile lighting equipment technical field, especially a kind of multi-light source lighting equipment. BACKGROUND
[0002] At present, multi-light source lighting equipment is usually controlled by multiple buttons to switch light source, or uses front and rear dialing Hall switch to switch light source. Although such switch has waterproof property, but there is gap in dialing stroke, and sealing effect is poor, and foreign matter is easy to accumulate in gap, enter inner cavity and affect components, which is not conducive to long-term use of multi-light source lighting equipment. CONTENT OF UTILITY MODEL
[0003] The utility model discloses a kind of multi-light source lighting equipment, to solve the problem of poor sealing effect of switch structure in prior art.
[0004] To achieve the above object, the utility model provides a kind of multi-light source lighting equipment, the multi-light source lighting equipment includes:
[0005] Shell, the shell includes inner cavity, the surface of the shell is structured with first recess, the first recess is equipped with the first through-hole and at least one second through-hole communicated with the inner cavity, the first through-hole is connected with the first switch for opening and closing power supply, first sealing element is arranged between the first switch and the first through-hole, and at least one second through-hole is provided with second sealing element.
[0006] In some embodiments, the first sealing element is annularly arranged on the first switch, and the edge of the first sealing element is in interference abutment with the inner wall of the first through-hole.
[0007] In some embodiments, the first switch includes operating part and trigger part, the operating part is located on the surface of the shell, the trigger part is inserted into the first through-hole, and the first sealing element is arranged on the trigger part.
[0008] In some embodiments, the surface of the trigger part is structured with a plurality of annular grooves distributed in axial direction, and the first sealing element is arranged on the annular groove close to the operating part.
[0009] In some embodiments, the at least one second through-hole is also provided with third sealing element, and the third sealing element is located below the second sealing element and in abutment with the second sealing element.
[0010] In some embodiments, the first recess is connected with the second switch for switching different light sources, the second switch includes body and avoidance hole arranged in the middle of body and opposite to the first through-hole, and the first switch is connected to the first through-hole through the avoidance hole.
[0011] In some embodiments, the second switch is configured with a second groove, the second groove is provided with an elastic member, one end of the elastic member abuts against the second groove, and the other end of the elastic member abuts against the first switch; and / or,
[0012] The second switch is provided with a first protection member between the first groove.
[0013] In some embodiments, the inner cavity is provided with a circuit board, the circuit board is electrically connected with a switch member, and the trigger portion can abut against the switch member under the action of an external force.
[0014] In some embodiments, the circuit board is electrically connected with a detection member, the detection member is provided with a detection portion, and the trigger portion is configured with a clamping groove on the side opposite to the detection portion to clamp the detection portion so that the trigger portion drives the detection portion to be offset.
[0015] In some embodiments, the circuit board is provided with a second protection member, and the switch member is provided with a third protection member between the first switch.
[0016] The shell is configured with a first groove, the first groove is configured with a first through hole and at least one second through hole which communicate with the inner cavity. The first through hole is connected with a first switch, and the light source of the multi-light source lighting device can be controlled to be turned on or off. The first switch and the first through hole are provided with a first sealing member, and the second through hole is provided with a second sealing member. Such a double-sealing structure effectively prevents water vapor, dust and other foreign matters from entering the inner cavity to affect the components, and improves the service life of the multi-light source lighting device. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is an overall structure schematic view of an embodiment of the multi-light source lighting device of the utility model;
[0018] Figure 2 It is Figure 1 It is a cross-sectional view of A-A;
[0019] Figure 3 It is an explosion structure schematic view of an embodiment of the multi-light source lighting device of the utility model;
[0020] Figure 4 It is a structure schematic view of the first switch in an embodiment of the multi-light source lighting device of the utility model;
[0021] Figure 5 It is a structure schematic view of the limiting member in an embodiment of the multi-light source lighting device of the utility model;
[0022] Figure 6 It is a structure schematic view of the second switch in an embodiment of the multi-light source lighting device of the utility model;
[0023] Figure 7 It is the structural schematic view of the first protection piece in the embodiment of the multi-light source lighting device of the utility model;
[0024] Figure 8 It is the structural schematic view of the first protection piece in the embodiment of the multi-light source lighting device of the utility model; Figure 2 It is the enlarged schematic view of B part in the embodiment of the multi-light source lighting device of the utility model;
[0025] Figure 9 It is the structural schematic view of the circuit board in the embodiment of the multi-light source lighting device of the utility model.
[0026] Explanation of reference numerals:
[0027]
[0028] DETAILED DESCRIPTION
[0029] The scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments in the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.
[0030] It should be noted that all directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings). If the specific posture changes, the directionality indications also change accordingly.
[0031] It should also be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or can have a middle element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or can have a middle element.
[0032] In addition, the description of "first", "second" and the like in the utility model is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the person skilled in the art. When the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist and is not within the protection scope required by the utility model.
[0033] The utility model provides a multi -light source lighting equipment, refer to Figures 1 to 3 , specifically include: shell 1, shell 1 includes inner chamber 11, the surface of shell 1 is structured with first recess 12, first recess 12 is equipped with the first through -hole 121 of intercommunication inner chamber 11 and at least one second through -hole 122, first through -hole 121 is connected with the first switch 2 for opening and closing power, first switch 2 is equipped with first sealing member 3 between first through -hole 121, at least one second through -hole 122 is equipped with second sealing member 4.
[0034] Shell 1 is as the holding portion of multi -light source lighting equipment, in order to facilitate user holding, its material quality can select polyvinyl chloride, and the quality is lighter, and user is not easy to produce fatigue under long time use. In addition, polyvinyl chloride also has good strength and toughness, can resist high -intensity impact force and not easy to damage, protects the component of inner chamber 11, prolongs the service life of multi -light source lighting equipment. Further, in order to reduce the friction between user's hand skin and shell 1, shell 1 can be made of soft polyvinyl chloride, and soft polyvinyl chloride is soft and has elasticity, and user is not easy to produce friction damage to the skin after long time use of multi -light source lighting equipment, and the use comfort of user is improved. Of course, the above is only exemplary, and the specific material quality can be determined according to actual requirements, which is not limited in the utility model.
[0035] The main role of inner chamber 11 is to provide a containing place for various components of the multi-light source lighting device, avoiding damage from exposure to the outside environment. In order to ensure that the first switch 2 contacts the components in the inner chamber 11 while allowing the user to directly operate it to turn on and off the light source, the first recess 12 of the shell 1 is provided with a first through-hole 121, and the first switch 2 is inserted into the first through-hole 121 and at least partially exposed on the surface of the shell 1.
[0036] In some embodiments, the first switch 2 is slidingly connected to the first through-hole 121, and the first switch 2 can move vertically relative to the first through-hole 121 to trigger the internal components for control. Of course, the above is only exemplary, and the utility model is not limited herein.
[0037] Due to the presence of the first through-hole 121, the inner chamber 11 is in communication with the external environment, in order to prevent water vapor and dust from entering the inner chamber 11 and damaging the components, a first sealing member 3 is provided at the first through-hole 121. The first sealing member 3 cooperates with the first switch 2 and the first through-hole 121 to seal the gap between the first switch 2 and the first through-hole 121, preventing water vapor, dust and other foreign matter from entering the inner chamber 11 and prolonging the service life of the multi-light source lighting device.
[0038] Further, the second sealing member 4 is arranged at the second through hole 122, so that water vapor and dust and other foreign matters are prevented from entering the inner cavity 11 to damage the components. The first sealing member 3 and the second sealing member 4 constitute a double sealing structure, and the waterproof and dustproof capability of the switch of the multi-light source lighting device is further improved.
[0039] In some embodiments, the first sealing member 3 is made of flexible material, such as silica gel. The silica gel is soft and is not easy to be damaged by knocking the first switch 2. Of course, the above is only exemplary, and the specific material can be determined according to actual needs, and the utility model is not limited herein.
[0040] In some embodiments, the second sealing member 4 is made of polyvinyl chloride. The polyvinyl chloride is light in weight, and the installation of the second sealing member 4 on the shell 1 does not cause the shell 1 to be too heavy to affect the use experience. Of course, the above is only exemplary, and the utility model is not limited herein.
[0041] The utility model has the advantages of:
[0042] The double sealing structure of the first sealing member 3 arranged at the first through hole 121 and the second sealing member 4 arranged at the second through hole 122 can effectively prevent dust, water and other impurities from entering the inner cavity 11, protect the components from the influence of the external environment, improve the stability of the multi-light source lighting device, and prolong the service life of the multi-light source lighting device.
[0043] In some embodiments, the first sealing member 3 is annularly arranged on the first switch 2, and the edge of the first sealing member 3 is in interference abutment with the inner wall of the first through hole 121.
[0044] The annular first sealing member 3 is arranged on the first switch 2 in a sleeved manner, and the edge away from the first switch 2 is in abutment with the inner wall of the first through hole 121. The first switch 2 and the first through hole 121 can simultaneously generate a compression force on the first sealing member 3. The flexible first sealing member 3 generates stress and slight deformation under the compression force, so that the first sealing member 3 is in interference fit with the first switch 2 and the first through hole 121, fills the gap between the first switch 2 and the first through hole 121, and improves the waterproof and dustproof capability of the multi-light source lighting device.
[0045] Please refer to Figure 4 In some embodiments, the first switch 2 includes an operation part 21 and a trigger part 22. The operation part 21 is located on the surface of the shell 1, the trigger part 22 is inserted into the first through hole 121, and the first sealing member 3 is sleeved on the trigger part 22.
[0046] Exemplarily, the first switch 2 is a button, the operation part 21 is exposed to the surface of the shell 1 as a button cap for the user to press and operate, and the trigger part 22 is a trigger column of the button, which directly passes through the first through hole 121 and cooperates with the components in the inner cavity 11 to control the multi-light source lighting device. The first sealing member 3 is sleeved on the trigger column and is in interference fit with the first through hole 121, which can improve the sealing performance of the multi-light source lighting device and prevent water vapor, dust and other foreign matters from entering the inner cavity 11. Of course, the above is only exemplary, and the first switch 2 can also be a lever switch or the like, and the specific design can be determined according to actual needs, which is not limited in the utility model.
[0047] Please continue to refer to Figure 4 In some embodiments, the surface of the trigger part 22 is configured with a plurality of annular grooves 221 distributed in the axial direction, and the first sealing member 3 is sleeved on the annular groove 221 close to the operation part 21.
[0048] Firstly, in order to ensure that the first sealing member 3 can be stably sleeved on the first switch 2 without falling off, thereby causing the sealing performance of the multi-light source lighting device to be reduced, the annular groove 221 is arranged on the surface of the trigger part 22. When installing the first switch 2, the first sealing member 3 is first firmly embedded in the annular groove 221, and then the first switch 2 is inserted into the first through hole 121, so that the first sealing member 3 plays a sealing role. This way of installing the first sealing member 3 through the annular groove 221 ensures the stable installation of the first sealing member 3, reduces the probability of the first sealing member 3 falling off and failing, further improves the dustproof and waterproof capability of the utility model, and prolongs the service life.
[0049] Please refer to Figure 5 and Figure 8 In addition, the annular groove 221 on the trigger part 22 in the inner cavity 11 part is connected with the limiting member 23, and the diameter of the limiting member 23 is greater than that of the first through hole 121. The limiting member 23 mainly prevents the first switch 2 from falling off, and is clamped on the annular groove 221 at the end of the first switch 2, so as to effectively fix the first switch 2 in the first through hole 121 and prevent the first switch 2 from moving in the axial direction, thereby improving the stability of the first switch 2.
[0050] In some embodiments, the limiting member 23 is an E-clip, which is also called an E-type retainer and belongs to a kind of fasteners, which plays a role in preventing the axial movement of the parts on the shaft. Of course, the above is only exemplary, and the specific type can be selected according to the actual design, which is not limited in the utility model.
[0051] In some embodiments, at least one second through hole 122 is also provided with a third sealing member, and the third sealing member is located below the second sealing member 4 and abuts against the second sealing member 4.
[0052] The third sealing member is additionally arranged in the second through hole 122, and a double sealing structure is formed between the third sealing member and the second sealing member 4, so that the sealing effect of the second through hole 122 is further improved. For example, the third sealing member is made of silica gel, which is relatively soft, and is in interference fit with the second through hole 122 to fill the gap and prevent external water vapor from entering the inner cavity 11. The second sealing member 4 is arranged above the third sealing member and can press the third sealing member in the second through hole 122, thereby improving the sealing stability of the multi-light source lighting device.
[0053] In this embodiment, the second sealing member 4 and the third sealing member can also function as light barriers to prevent external light from shining into the interior and affecting the internal components, thereby improving the stability of the multi-light source lighting device.
[0054] Please refer to Figure 1 , Figure 3 and Figure 6 In some embodiments, the first recess 12 is connected with a second switch 6 for switching different light sources. The second switch 6 includes a body 61 and a relief hole 62 arranged in the middle of the body 61 and opposite to the first through hole 121. The first switch 2 passes through the relief hole 62 and is connected to the first through hole 121.
[0055] The multi-light source lighting device provided in this embodiment also has the function of switching different light sources. For example, it can switch among floodlight, spotlight and flood+spotlight modes. By arranging the second switch 6, the required function can be quickly switched, thereby improving the functional diversity and flexibility of the utility model.
[0056] Specifically, the second switch 6 is connected to the first recess 12. The second switch 6 includes a body 61 and a relief hole 62. The body 61 is directly touched by the user for operation, and the relief hole 62 is convenient for the first switch 2 to pass through and be inserted into the first through hole 121, thereby improving the compact structure of the multi-light source lighting device, facilitating the manufacturing with higher integration, and being convenient for the user to carry.
[0057] The second switch 6 can be connected to the first recess 12 in various ways, such as rotary connection or sliding connection. In this embodiment, the second switch 6 is rotatably connected to the first recess 12. The side of the second switch 6 abutting against the first recess 12 is provided with two first positioning holes arranged in a symmetrical structure. The first recess 12 is provided with a plurality of second positioning holes distributed along the circumference of the first through hole 121. Please refer to Figure 8 By arranging two positioning members 65, one end of each positioning member 65 is inserted into one of the first positioning holes, and the other end abuts against the second positioning hole. By rotating the second switch 6, the two positioning members 65 can be displaced to different second positioning holes, thereby providing rotation feedback for the user and improving the user experience. Of course, the above is only exemplary, and the specific arrangement can be determined according to actual needs, which is not limited in the utility model.
[0058] In order to avoid friction damage between the first recess 12 and the second switch 6, a first protective piece 64 is arranged between the second switch 6 and the first recess 12. The first protective piece 64 is located in the circumference formed by the plurality of second positioning holes, so that the positioning piece 65 can contact the second positioning hole. In addition, referring to Figs. 4 and 5, the first protective piece 64 is in the form of a C-shaped clamping on the outer wall of the first through hole 121, which is convenient to disassemble and replace after long-term use. Figure 7
[0059] In some embodiments, the first protective piece 64 is made of a flexible material, such as silica gel or rubber, etc. For example, the first protective piece 64 is made of silica gel. The silica gel has good softness and will not cause excessive friction damage when contacting the second switch 6, thereby playing a certain protective role. Of course, the above is only exemplary, and the specific material can be determined according to actual needs, which is not limited in the utility model.
[0060] Referring to Figs. 4 and 5, in some embodiments, the second switch 6 is configured with a second recess 63, and the second recess 63 is provided with an elastic piece 7. One end of the elastic piece 7 abuts against the second recess 63, and the other end of the elastic piece 7 abuts against the first switch 2. Figure 3 Figure 6 By arranging the second recess 63 and the elastic piece 7, the part of the first switch 2 exposed on the surface of the shell 1 can be embedded in the second recess 63, thereby improving the compactness and visual beauty of the structure. The one end of the elastic piece 7 abuts against the second recess 63, and the other end of the elastic piece 7 abuts against the first switch 2, so that the first switch 2 can be quickly reset after being activated, thereby facilitating subsequent operation of the user and avoiding the influence of the long-term contact of the first switch 2 with the components in the inner cavity 11.
[0061] As a preferred embodiment of the utility model, the elastic piece 7 is a spring. The spring is a component that can deform and store deformation energy under the action of external force, and can release the deformation energy and quickly recover the shape after the external force is removed. For example, when the light source needs to be turned on, the user manually presses the first switch 2, and the first switch 2 slides downward. At this time, the spring is in a compressed state and stores elastic energy. After the light source is turned on, the user removes the hand from the first switch 2, and the spring loses the pressure of the first switch 2 thereon. The stored elastic energy elongates the spring to restore the original shape. The recovery process pushes the first switch 2 to move upward to the original position. Of course, the above is only exemplary, and the specific design of the elastic piece 7 can be determined according to actual needs, which is not limited in the utility model.
[0062] Referring to Figs. 4 and 5, in some embodiments, the second switch 6 is configured with a second recess 63, and the second recess 63 is provided with an elastic piece 7. One end of the elastic piece 7 abuts against the second recess 63, and the other end of the elastic piece 7 abuts against the first switch 2.
[0063] Referring to Figs. 4 and 5, in some embodiments, the second switch 6 is configured with a second recess 63, and the second recess 63 is provided with an elastic piece 7. One end of the elastic piece 7 abuts against the second recess 63, and the other end of the elastic piece 7 abuts against the first switch 2. Figure 8 Figure 9 In some embodiments, the inner cavity 11 is provided with a circuit board 8, the circuit board 8 is electrically connected with a switch piece 81, and the triggering part 22 can abut against the switch piece 81 under the action of external force.
[0064] In the embodiment, the circuit board 8 is mainly used for realizing the operation of the multi-light source lighting device. For example, the circuit board 8 is a flexible circuit board (FPC), which is a kind of flexible printed circuit board 8 with high reliability, excellent flexibility, high wiring density, light weight, thin thickness and good bending property, and is particularly suitable for being used in small devices such as the multi-light source lighting device and is conducive to integrated manufacturing.
[0065] Please continue to refer to Figure 8 Further, the middle part (i.e. the conductive part) of the circuit board 8 is provided with the switch piece 81. After the user presses the first switch 2, the triggering part 22 abuts against the switch piece 81, the switch piece 81 contacts the conductive part of the circuit board 8 to form a circuit loop, and current passes through, so as to control the normal work of the whole multi-light source lighting device.
[0066] It should be noted that the switch piece 81 is a pot piece, also known as a key piece, which is made of ultra-thin (0.05mm-0.1mm) and ultra-thick (generally higher hardness) stainless steel 301 or 304 materials. When the pot piece is pressed, the center point is concave to contact the circuit of the circuit board 8 to form a circuit loop, and current can pass through. It is mainly applied to products such as membrane switches, dome piece contact switches, PCB boards and FPC boards.
[0067] Please continue to refer to Figure 8 Further, in order to protect the switch piece 81 from being damaged by the first switch 2, the third protection piece 811 is arranged between the switch piece 81 and the first switch 2.
[0068] In the embodiment, the third protection piece 811 is soft. For example, the third protection piece is silica gel, which is relatively soft. When the triggering part 22 presses the silica gel, the silica gel can be deformed, so that the triggering part 22 can press the switch piece 81, and direct contact with the switch piece 81 is avoided, thereby playing a protection role. Of course, the above is only exemplary, and the specific material selection can be determined according to actual needs, and the utility model is not limited herein.
[0069] Please refer to Figure 4 and Figure 9 In some embodiments, the circuit board 8 is electrically connected with a detection piece 9, the detection piece 9 is provided with a detection part 91, and the triggering part 22 is constructed with a clamping groove 222 on the side opposite to the detection part 91 to clamp the detection part 91 so as to drive the detection part 91 to be offset by the triggering part 22.
[0070] In the embodiment, the light source type switching of the multi-light source lighting device is mainly controlled by the detection piece 9. When the second switch 6 rotates, the trigger part 22 of the first switch 2 is driven to generate displacement on the FPC, so that the detection part 91 of the detection piece 9 is driven to generate eccentric displacement, and the gear shifting is completed.
[0071] Exemplarily, the detection piece 9 of the embodiment can control the multi-light source lighting device to become a floodlight mode. In the floodlight mode, the floodlight LED chip of the multi-light source lighting device emits light to the floodlight lens, and after multiple mirror reflections, the light is irradiated to the outside to form a uniform floodlight spot, so that the surrounding scene is brightly illuminated in a large range.
[0072] In the embodiment, the detection piece 9 can also control the multi-light source lighting device to switch to a spotlight mode. In the spotlight mode, the spotlight LED chip of the multi-light source lighting device emits light to the spotlight lens, and after reflection, the light is vertically emitted, providing a user with a more focused and higher-intensity lighting mode.
[0073] In the embodiment, the detection piece 9 can also control the multi-light source lighting device to switch to a spotlight + floodlight mode. At this time, the spotlight LED chip and the floodlight LED chip simultaneously emit light to the corresponding lenses, providing a user with a large-range lighting while focusing on illuminating a specific area, and providing the user with diversified services.
[0074] Please refer to Figure 8 In some embodiments, the second protection piece 82 is arranged on the circuit board 8.
[0075] The insulating layer material of the FPC of the inner cavity 11 may be photodegraded under long-time or high-intensity light irradiation, causing a circuit short circuit and the multi-light source lighting device unable to normally work. In addition, the light irradiation also changes the electrical characteristics of the signal lines in the FPC, which may cause the functions of the multi-light source lighting device to be unable to normally run. Finally, the continuous light irradiation ages the FPC material, which is easy to cause a circuit breakage. Therefore, by arranging the second protection piece 82 on the circuit board 8, the light irradiation can be blocked, and the stability and service life of the multi-light source lighting device are improved.
[0076] The above is only part or preferred embodiments of the utility model, neither the text nor the drawings can limit the scope of protection of the utility model, any equivalent structural transformation made by using the contents of the utility model specification and drawings, or direct / indirect application in other related technical fields is included in the protection scope of the utility model.
Claims
1. A multi-light source illumination device, characterized in that, The application relates to a light source, which comprises a shell, wherein the shell comprises an inner cavity, the surface of the shell is provided with a first groove, the first groove is provided with a first through hole and at least one second through hole, the first through hole is connected with a first switch for opening and closing a light source, a first sealing element is arranged between the first switch and the first through hole, and a second sealing element is arranged at the at least one second through hole.
2. The multi-light source illumination apparatus according to claim 1, characterized in that, The first sealing element is annularly arranged on the first switch, and the edge of the first sealing element is in interference abutment with the inner wall of the first through hole.
3. The multi-light source illumination apparatus according to claim 2, characterized in that, The first switch comprises an operation part and a trigger part, the operation part is arranged on the surface of the shell, the trigger part is inserted into the first through hole, and the first sealing element is arranged on the trigger part.
4. The multi-light source illumination apparatus according to claim 3, characterized in that, The surface of the trigger part is provided with a plurality of annular grooves which are distributed in the axial direction, and the first sealing element is arranged on the annular groove close to the operation part.
5. The multi-light source illumination apparatus according to claim 1, characterized in that, The at least one second through hole is further provided with a third sealing element, and the third sealing element is arranged below the second sealing element and in abutment with the second sealing element.
6. The multi-light source illumination apparatus according to claim 1, characterized by, The first groove is connected with a second switch for switching different light sources, the second switch comprises a body and a relief hole arranged in the middle of the body and opposite to the first through hole, and the first switch is connected to the first through hole through the relief hole.
7. The multi-light source illumination apparatus according to claim 6, characterized in that, The second switch is provided with a second groove, the second groove is provided with an elastic element, one end of the elastic element is in abutment with the second groove, and the other end of the elastic element is in abutment with the first switch; and / or, The first protection element is arranged between the second switch and the first groove.
8. The multi-light source illumination apparatus according to claim 3, characterized by, The inner cavity is provided with a circuit board, the circuit board is electrically connected with a switch element, and the trigger part can abut against the switch element under the action of external force.
9. The multi-light source illumination apparatus according to claim 8, characterized in that, The circuit board is electrically connected with a detection element, the detection element is provided with a detection part, the trigger part is provided with a clamping groove on the side opposite to the detection part to clamp the detection part, so that the trigger part drives the detection part to be offset.
10. The multi-light source illumination apparatus according to claim 8, characterized in that, The circuit board is provided with a second protection element, and the third protection element is arranged between the switch element and the first switch.