Multifunctional pen lamp with tire detection function

Abstract

The utility model provides a multifunctional pen lamp with a tire detection function, and relates to the technical field of lighting lamps. Comprising a shell and an illumination assembly arranged at one end of the shell, and further comprises a detection part arranged at the other end of the shell; the detection part comprises a measuring structure and a leveling structure; the measuring structure is movably arranged on the shell and is used for measuring the groove depth of tire lines; the leveling structure is suitable for acting on the surface of the tire to form a measuring basis of the measuring structure. According to the scheme, the functionality of the pen lamp is improved.

Description

Technical Field

[0001] This utility model relates to the field of lighting technology, and more specifically, to a multifunctional pen lamp with tire detection. Background Technology

[0002] As the sole medium of contact between a vehicle and the ground, tires bear crucial responsibilities such as load-bearing, braking, and driving safety, making them especially important in professional automotive repair settings. Generally speaking, tire treads consist of various longitudinal, lateral, and diagonal grooves on the tire surface. Lateral treads provide greater friction and better braking performance, while longitudinal treads facilitate rapid water drainage. However, during tire inspections, operators are often reluctant to make frequent long trips to the toolbox to change tools. For example, replacing lighting tools with tread inspection tools often involves illuminating the tire surface and visually inspecting its appearance, neglecting to examine the tread grooves. These grooves are the closest point to the tire's crown layer; excessively deep tread grooves can negatively impact tire quality.

[0003] Pen-shaped flashlights are small, portable lighting tools that are easy to carry. Their portability, small size, and ease of operation make them widely used in construction sites and professional repair work, such as auto repair. However, existing pen-shaped flashlights generally only provide illumination. When vehicle mechanics use them for tire inspection, they usually need to use other auxiliary tools. This forces them to hold multiple devices simultaneously, causing inconvenience and reducing efficiency. Utility Model Content

[0004] This utility model discloses a multi-functional pen light with tire detection, which has the advantages of integrating lighting and tire detection functions, reducing tool switching, and improving maintenance convenience and efficiency.

[0005] The present invention adopts the following solution:

[0006] A multi-functional pen light with tire detection includes a housing and an illumination assembly disposed at one end of the housing, and further includes a detection part disposed at the other end of the housing; the detection part includes a measuring structure and a leveling structure; the measuring structure is movably disposed on the housing for measuring the groove depth of the tire tread; the leveling structure is adapted to act on the tire surface to form a measuring reference for the measuring structure.

[0007] Furthermore, the measuring structure includes a push plate movably disposed on the housing and a probe connected to the push plate; the extension length of the probe is controlled by pushing the push plate.

[0008] Furthermore, the leveling structure includes a leveling plate disposed on the housing, and the leveling plate is provided with a through hole to allow the probe to pass through.

[0009] Furthermore, the finding plate is L-shaped and has a protrusion that protrudes from the housing to facilitate rotating the finding plate.

[0010] Furthermore, the finding plate has a retracted state and an unfolded state. In the retracted state, the finding plate is stored in a storage cavity provided on the housing. In the unfolded state, the plane of the finding plate is perpendicular to the axial direction of the probe, and the through hole faces the probe to facilitate the probe's extension.

[0011] Furthermore, the housing includes a tire tread detection section housing, a pen clip section housing, and an illumination section housing, wherein one end of the tire tread detection section housing is open and hollow in the axial direction extending to the other end so as to be detachably connected to the pen clip section housing, and together they form a receiving space for accommodating power; the illumination section housing is provided with an illumination component and a switch component for controlling the opening and closing of the illumination component.

[0012] Furthermore, the power source is a dry cell battery or a rechargeable battery, and when the power source is a rechargeable battery, the housing is provided with a charging port for charging.

[0013] Furthermore, the end of the tire tread detection section housing away from the lighting component is provided with a hinge ear, and the leveling plate is hinged to the hinge ear so as to switch between the storage state and the unfolded state by rotation, and when the leveling plate is rotated to the unfolded state, the leveling plane is parallel to the end face of the tire tread detection section housing.

[0014] Furthermore, the end face of the tire tread detection section housing is provided with an opening for the probe to extend out, and the side wall is provided with a strip-shaped hole. The push plate passes through the strip-shaped hole and is connected to the probe. The push plate is located in the strip-shaped hole and protrudes relatively, so as to allow the push plate to move.

[0015] Furthermore, the side of the strip-shaped hole is provided with a scale structure, which is embedded under the glass mirror or directly on the surface of the outer shell of the tire tread detection section.

[0016] Beneficial effects:

[0017] By integrating lighting components and a detection unit at both ends of the housing, the measurement structure and leveling structure in the detection unit work together to achieve accurate measurement of tire groove depth, while reducing the frequency of tool switching during maintenance, thus improving operational convenience and work efficiency. Attached Figure Description

[0018] Figure 1This is a schematic diagram of the structure of a multifunctional pen light with tire detection according to an embodiment of the present invention;

[0019] Figure 2 This is a structural schematic diagram from another perspective of an embodiment of the present invention: a multifunctional pen light with tire detection.

[0020] Figure 3 This is a cross-sectional structural schematic diagram of a multifunctional pen lamp with tire detection according to an embodiment of the present invention;

[0021] Figure 4 This is a schematic diagram of the structure of a multifunctional pen light with tire detection in the detection state according to an embodiment of this utility model;

[0022] Reference numerals: 1. Housing; 11. Tire tread detection section housing; 12. Pen clip section housing; 13. Illumination section housing; 14. Hinge; 15. Opening; 16. Strip hole; 17. Storage cavity; 18. Scale structure; 2. Measuring structure; 21. Push plate; 22. Probe; 3. Leveling structure; 31. Leveling plate; 311. Protrusion; 312. Through hole; 4. Power supply; 5. Switch assembly; 6. Illumination assembly. Detailed Implementation

[0023] Combination Figures 1 to 4 As shown, this embodiment provides a multi-functional pen light with tire detection, including a housing 1 and an illumination component 6 disposed at one end of the housing 1, and a detection part disposed at the other end of the housing 1. The detection part includes a measuring structure 2 and a leveling structure 3. The measuring structure 2 is movably disposed on the housing 1 for measuring the groove depth of the tire tread, and the leveling structure 3 is adapted to act on the tire surface to form a measuring reference for the measuring structure 2.

[0024] The housing 1 refers to the rigid main structure that supports the lighting and detection functions. It can be implemented using a segmented injection-molded housing 1, with each segment connected by threads or snap-fits, serving to separate functional areas and protect internal components. The detection unit is a functional module integrated at the end of the housing 1, which can be implemented using a rotatable or sliding structure to form a measurement reference by contacting the tire surface during detection. The measurement structure 2 is a mechanical component with displacement detection capabilities, which can be implemented using a sliding mechanism with a probe 22. The probe 22 extends into the groove to contact the bottom and perform depth measurement. The leveling structure 3 is a component used to establish a horizontal reference surface, which can be implemented using a planar plate structure to eliminate tilt errors of the measurement surface by conforming to the tire surface.

[0025] In this embodiment, an illumination component 6 and a detection unit are respectively provided at both ends of the housing 1. The illumination component 6 maintains the illumination function of a traditional pen lamp, and the detection unit forms a horizontal reference surface by conforming to the tire surface through a leveling structure 3. The probe 22 in the measuring structure 2 slides along the axial direction of the housing 1. When the leveling structure 3 contacts the tire surface, it pushes the probe 22 into the tire tread groove until it contacts the bottom. At this time, the extension length of the probe 22 corresponds to the groove depth. The housing 1, as an integrated carrier, achieves functional complementarity through the structural design of separate ends, allowing the operator to complete the continuous actions of illumination positioning and depth detection with one hand. By integrating the structure, two types of functions are concentrated in a single device, eliminating the need for tool replacement. Traditional measurement requires two hands to operate the illumination and measuring tools separately. This solution establishes a reference surface through the leveling structure 3 and, in conjunction with the sliding measuring mechanism, enables one-handed operation, significantly improving detection efficiency.

[0026] This embodiment solves the problem of operational interruptions caused by frequent tool changes during vehicle repair, enabling simultaneous execution of lighting and tire tread detection functions. The coordination between the leveling structure 3 and the movable measuring mechanism ensures that the probe 22 can obtain an accurate reference surface at any measurement position, improving the reliability of the detection data. The functional partition design at both ends of the housing 1 effectively expands the functional boundaries of the device while maintaining the portability of the pen light, meeting the spatial constraints of single-handed operation in repair scenarios.

[0027] Continue to combine Figures 1 to 4 As shown, the measuring structure 2 includes a push plate 21 movably mounted on the housing 1 and a probe 22 connected to the push plate 21. The extension length of the probe 22 is controlled by pushing the push plate 21. The push plate 21 is an operating component slidably mounted on the housing 1. Specifically, a guide rail or groove can be used to achieve a movable connection between the push plate 21 and the housing 1, changing the position of the probe 22 through pushing. The probe 22 is a measuring component used to contact the bottom of the tire groove. Specifically, the push plate 21 can be nested on the probe 22, or it can be linked to the push plate 21 through a threaded connection or snap-fit ​​connection, so that the displacement of the push plate 21 is converted into the extension of the probe 22. "Movable" means that the push plate 21 has a slidable connection with the housing 1. Specifically, a slotted hole 16 can be opened in the side wall of the housing 1, allowing the push plate 21 to partially embed into the hole for limited sliding.

[0028] Here, the push plate 21 is configured to move linearly along the strip-shaped hole 16 on the side wall of the housing 1, and the tail end of the probe 22 is rigidly connected to the push plate 21 via a fixing member. When the operator pushes the push plate 21, the tip of the probe 22 extends along the tire groove direction, and its extension length is determined by the displacement of the push plate 21. During the measurement process, after the probe 22 contacts the bottom of the tire groove, the scale value corresponding to the position of the push plate 21 can directly reflect the groove depth. The sliding stroke of the push plate 21 is limited to the effective measurement range of the probe 22; for example, the maximum stroke corresponds to the limit measurement depth when the probe 22 is fully extended. Through the linkage design of the push plate 21 and the probe 22, an adjustable depth measurement function is realized on the pen lamp housing 1. Furthermore, the displacement of the push plate 21 is converted into the extension amount of the probe 22 through a mechanical transmission structure, enabling the operator to complete illumination and multi-scene measurement on a single device. Therefore, by integrating an adjustable tire groove depth detection function into a portable pen light, the operator can precisely control the extension length of the probe 22 by pushing the push plate 21, achieving different depth measurement needs without changing tools. The mechanical linkage structure between the push plate 21 and the probe 22 simplifies the operation steps, avoids the complex circuitry and cost increases brought by electronic sensors, and maintains the compactness of the equipment.

[0029] In this embodiment, the leveling structure 3 includes a leveling plate 31 disposed on the housing 1, and the leveling plate 31 is provided with a through hole 312 to allow the probe 22 to pass through. The leveling plate 31 is a planar component rigidly connected to the housing 1, and can be made of metal sheet or engineering plastic injection molding. The through hole 312 is a circular channel penetrating the thickness of the leveling plate 31, and can be made by precision stamping or CNC machining, with the hole diameter forming a clearance fit with the outer diameter of the probe 22.

[0030] When the leveling plate 31 is pressed against the tire surface, its bottom surface contacts the tire tread to form a horizontal reference plane. At this time, the probe 22 passes through the through hole 312 and enters the tire groove in a vertical direction. The inner wall of the through hole 312 provides guidance and constraint for the probe 22, ensuring that the movement trajectory of the probe 22 is always perpendicular to the plane of the leveling plate 31. During the measurement process, the operator pushes the push plate 21 to extend the probe 22 to the bottom of the groove. The extension length of the probe 22 at this time is the groove depth value. This structure eliminates the cosine error caused by the tilt of the probe 22 through mechanical limiting, keeping the measurement reference parallel to the tire surface. Here, the outer plane of the leveling plate 31 in the unfolded state contacts the tire surface and forms a reference plane. The area of ​​the leveling plate 31 is larger than the area of ​​the end face of the housing 1, so it is less likely to sink into the groove between the tire treads, which helps to improve the accuracy of the detection. Through the technical solution of this embodiment, the depth measurement error caused by the deflection of the probe 22 is effectively eliminated, and the groove depth detection accuracy is improved to the millimeter level. This structure simplifies the measurement process, allowing operators to complete leveling and measurement actions with just one hand, and the measurement results are unaffected by hand tremors.

[0031] In one embodiment, the finding plate 31 is L-shaped and has a protrusion 311 that protrudes from the housing 1 to facilitate rotation of the finding plate 31. The finding plate 31 has a retracted state and an unfolded state. In the retracted state, the finding plate 31 is housed in a storage cavity 17 provided on the housing 1. In the unfolded state, the plane of the finding plate 31 is perpendicular to the axial direction of the probe 22, and the through hole 312 faces the probe 22 to allow the probe 22 to extend. The protrusion 311 refers to a raised portion extending outward from the surface of the housing 1, providing a finger application point. This allows the operator to naturally contact the protrusion 311 with their thumb when holding the housing 1, enabling single-handed downward or upward pushing. This solves the problem of excessive storage volume caused by the flat plate structure of traditional tools. The operator can switch the state of the finding plate 31 with one hand, avoiding work interruptions caused by tool switching during measurement and improving the efficiency of tire groove depth detection.

[0032] The term "folded state" refers to the state where the finding plate 31 is fully embedded in the storage cavity 17 of the housing 1. The housing 1 has a groove matching the shape of the finding plate 31 as the storage cavity 17, a design that keeps the overall outer contour of the tool smooth. The "unfolded state" refers to the working posture where the finding plate 31 is rotated to form a spatial perpendicular relationship with the axis of the probe 22. Specifically, a hinge mechanism combined with a limiting buckle can be used to fix the angle, ensuring a precise vertical positioning relationship between the plane of the finding plate 31 and the axis of the probe 22. The through hole 312 refers to a guide hole penetrating the thickness of the finding plate 31. The hole diameter is slightly larger than the diameter of the probe 22 but smaller than the size of the measuring head at the end of the probe 22; for example, the hole diameter can be 1.5 mm to 5 mm. This structure allows the probe 22 to pass freely while limiting its radial offset. The storage cavity 17 refers to a recessed area on the surface of the housing 1, with a depth matching the total thickness of the folded finding plate 31; for example, the depth can be controlled within the range of 3 mm to 5 mm, used to eliminate external protrusions. When it is necessary to measure the tire groove depth, the leveling plate 31 rotates and unfolds from the housing 1's receiving cavity 17 to a position perpendicular to the axis of the probe 22. At this time, the working plane of the leveling plate 31 contacts the tire surface to form a horizontal reference plane. The probe 22 extends vertically into the bottom of the groove through the through hole 312 on the leveling plate 31, and its extension length is controlled by the push plate 21. In the retracted state, the leveling plate 31 is completely retracted into the recessed structure of the housing 1, keeping the device compact. The axial alignment between the through hole 312 and the probe 22 is achieved through the geometric constraints of the hinge rotation axis and the installation position of the probe 22, ensuring the spatial positioning accuracy of both after unfolding.

[0033] The foldable design eliminates protruding external components when not in operation, and automatically achieves precise positioning of the leveling plate 31 and probe 22 via mechanical limits during operation, eliminating the need for manual calibration. This effectively solves the portability problem caused by the fixed leveling plate 31 in traditional testing tools, and the foldable storage structure reduces the overall size of the equipment. In the unfolded state, the automatic positioning function of the leveling plate 31 and probe 22 shortens the measurement benchmark establishment time, significantly improving the portability and operational efficiency of tire inspection operations.

[0034] Continue to combine Figures 1 to 4 As shown, in this embodiment, the housing 1 includes a tire tread detection section housing 11, a pen clip section housing 12, and an illumination section housing 13. One end of the tire tread detection section housing 11 is open and hollow in the axial direction extending to the other end so as to be detachably connected to the pen clip section housing 12, and together they form a receiving space for accommodating the power supply 4. The illumination section housing 13 is provided with an illumination component 6 and a switch component 5 for controlling the opening and closing of the illumination component 6.

[0035] The tire tread detection section housing 11 refers to a tubular component with an axially extending hollow structure. Its open end is connected to the pen clip section housing 12 via threads. Specifically, it can be injection molded from ABS engineering plastic. The hollow structure forms an axially extending space for the battery compartment, allowing the power supply 4 to be placed in the central axis area of ​​the housing 1. The pen clip section housing 12 refers to a cylindrical component with a clamping structure. Specifically, it can be connected to the tire tread detection section housing 11 via metal clips, achieving closure of the battery compartment through a detachable connection. The clamping structure uses spring steel sheets to form an elastic clamping space. The lighting section housing 13 refers to a light-transmitting housing 1 with a built-in light source module. Specifically, it can be injection molded from PC material, and an lighting component 6 is installed inside.

[0036] Here, the open end of the tire tread detection section housing 11 can be axially connected to the pen clip section housing 12 via a threaded connection. After the two are connected, they form a sealed space for the power supply 4, which can be built into the housing. The outer wall of the pen clip section housing 12 has an annular groove, into which an elastic steel sheet is embedded to form a clamping mechanism for fixing the device to the operator's pocket or tool bag. A high-brightness LED module is installed at the front end of the lighting section housing 13. The built-in circuit board is connected to the positive and negative terminals of the battery compartment via wires. A button switch on the side wall controls the lighting function by pressing. The three housing sections are connected by threads to form an integral pen-shaped structure, which allows the tire tread detection function component, the power supply 4 module and the lighting system to be physically isolated and integrated. With the three-section detachable housing 1, battery maintenance can be completed simply by unscrewing the pen clip section housing 12. In the prior art, the separation of lighting and detection tools leads to cumbersome operation. This solution integrates the detection structure into the tire tread detection section housing 11, and the lighting component 6 is independently set at the front end, realizing the switching between detection and lighting functions when operating with one hand.

[0037] It should be noted that the remaining part of the tire tread detection section housing 11 can be solid or hollow. Hollow housing can reduce weight, but in order to ensure the stability of the tire tread detection section housing, a fixing column can be set on the central axis to connect the two receiving cavities and prevent the tire tread detection section housing from deforming.

[0038] In this embodiment, the power source 4 is a dry cell battery or a rechargeable battery. When the power source 4 is a rechargeable battery, a charging port is provided on the casing 1 for charging. The dry cell battery can specifically be an alkaline battery or a carbon battery. Its power supply method involves directly replacing the battery unit, suitable for low-frequency use scenarios. When the lighting fixture changes from normal use to a depleted energy state, the two casing sections can be separated to replace the old, used power source 4, thus restoring the lighting fixture from a depleted energy state back to normal use. The rechargeable battery refers to a rechargeable energy storage unit, specifically a lithium-ion battery or a nickel-metal hydride battery. It connects to the external power source 4 through the charging port for energy replenishment, suitable for high-frequency continuous operation scenarios. When the lighting tool changes from normal use to a depleted energy state, the power source 4 can be charged to replenish the battery's energy. Preferably, a cylindrical lithium battery is used. The charging port refers to the power input interface integrated on the surface of the housing 1. It can be implemented using Micro USB, Type-C or magnetic contact structure. Its position is flush with the outer shape of the housing 1 to avoid affecting the grip of the device.

[0039] In one embodiment, a hinge ear 14 is provided at the end of the tire tread detection section housing 11 away from the lighting component 6. The leveling plate 31 is hinged to the hinge ear 14. The rotation realizes the switching between the storage state and the unfolded state. When the leveling plate 31 is rotated to the unfolded state, the leveling plane is parallel to the end face of the tire tread detection section housing 11.

[0040] The hinge lug 14 is a connecting structure located at the end of the outer shell 11 of the tire tread detection section. It can be implemented using a metal or plastic bearing structure, providing a rotation fulcrum for the leveling plate 31. After being connected via the hinge lug 14, the leveling plate 31 forms a measurement reference surface coplanar with the end face of the outer shell in its unfolded state. The hinge lug 14 can be mounted on a mounting component or directly on one side of the end of the shell 1, ensuring that the rotation axis of the leveling plate 31 is parallel to the end face of the outer shell. When the leveling plate 31 rotates around the hinge lug 14 to its unfolded state, its plane is completely parallel to the end face of the outer shell, and at this time, the outer surface of the leveling plate 31 contacts the tire to form a stable reference surface. In its retracted state, the leveling plate 31 can rotate around the hinge lug 14 to a position parallel to the axial direction of the outer shell and embed into a groove in the side wall of the outer shell. This structure avoids the problem of needing to store the traditional split leveling plate 31 separately, while ensuring that the unfolded reference surface forms a rigid parallel relationship with the end face of the outer shell. Through the integrated design of the hinge lug 14 and the outer shell, the leveling plate 31 automatically aligns with the reference surface when unfolded, eliminating the need for additional calibration. It enables rapid state switching between the flat plate 31 and the main body of the detection tool. In the unfolded state, it automatically forms a reference plane coplanar with the end face of the outer shell, ensuring that the probe 22 extends perpendicularly to the tire surface.

[0041] Continue to combine Figures 1 to 4 As shown, in one embodiment, the end face of the tire tread detection section housing 11 is provided with an opening 15 for the probe 22 to extend out, and the side wall is provided with a strip hole 16. The push plate 21 passes through the strip hole 16 and is connected to the probe 22. The push plate 21 is located in the strip hole 16 and protrudes relatively so as to allow the push plate 21 to move.

[0042] The opening 15 refers to the hole structure located on the end face of the tire tread detection section housing 11. It can be formed by injection molding or machining. Its inner diameter matches the outer diameter of the probe 22 to provide guiding constraints, ensuring the probe 22 moves linearly along the axial direction. The strip-shaped hole 16 refers to a linear opening extending along the side wall of the tire tread detection section housing 11. It can be formed by stamping or milling. Its length direction is parallel to the extension and retraction direction of the probe 22. A low-friction coating can be applied to the side wall surface to reduce the sliding resistance of the push plate 21. The push plate 21 is a control component rigidly connected to the probe 22. It can be made of metal or engineering plastic into a plate-like structure. The portion passing through the strip-shaped hole 16 protrudes outward to form an operating surface. It is connected to the probe 22 by a snap-fit ​​or screw fixation method to ensure synchronous transmission of displacement. When the operator holds the housing 1 with one hand, the thumb can contact the protrusion 311 of the push plate 21 and apply a pushing force. The push plate 21 moves along the linear trajectory defined by the strip-shaped hole 16, causing the probe 22 to extend out of the opening 15. The sidewall of the slot 16 physically constrains the sliding path of the push plate 21, preventing lateral offset from causing the probe 22 to tilt. Guided by the inner wall of the opening 15, the probe 22 maintains linear motion, ensuring a linear relationship between its extension length and the displacement of the push plate 21. During measurement, the operator can determine the extension amount of the probe 22 by observing the position of the push plate 21 within the slot 16, thereby reading the tire groove depth data. By integrating the sliding mechanism of the slot 16 and the push plate 21 into the sidewall of the housing 1, the extension and retraction control of the probe 22 is integrated into a single-handed operation range. Simultaneously, the dual guiding mechanism of the opening 15 and the slot 16 eliminates probe 22 offset, improving measurement accuracy while maintaining the compactness of the equipment. This achieves single-handed control of the probe 22's extension and retraction while simultaneously completing depth measurements, avoiding the need for frequent tool changes during operation. The linear movement path of probe 22 within opening 15 ensures the accuracy of measurement data. The design of push plate 21 and strip hole 16 integrates the control interface and measurement mechanism into a single housing 1, solving the technical problem of limited mechanical operation space in multifunctional equipment.

[0043] In a preferred embodiment, a scale structure 18 is provided on the side of the strip hole 16. The scale structure 18 is embedded under the glass mirror or directly formed on the surface of the tire tread detection section housing 11.

[0044] The scale structure 18 embedded under the glass mirror refers to embedding the graduated ruler inside the transparent protective layer. This can be achieved by creating grooves on the side wall of the housing 1 and filling them with resin or acrylic material to form a sealed protective layer. This structure physically isolates the scale lines from external contaminants. Alternatively, the scale can be directly formed on the surface of the housing 1 by etching, printing, or laser engraving to create measurement marks on the edges of the strip-shaped holes 16. This can be done using UV transfer printing or screen printing for mass production, eliminating the need for an additional protective layer and reducing processing costs.

[0045] As the pusher plate 21 moves along the strip hole 16, the extension length of the probe 22 is proportional to the displacement of the pusher plate 21. The operator can directly read the groove depth by observing the scale value aligned with the edge of the pusher plate 21. The scale structure 18 under the glass mirror isolates oil and friction through a protective layer, ensuring that the scale remains clear even after long-term use. The directly formed surface scale simplifies the processing steps, and the scale lines have sufficient wear resistance through optimized marking technology. The two scale implementation methods can be selected during assembly according to the requirements of the application scenario.

[0046] The lighting component 6 described in this embodiment includes a circuit board, which is electrically connected to the switch component 5 and the light source. The switch component can be pressed (or moved) by the user to control the operation of the pen light (e.g., turning it on / off). In this embodiment, the switch component 5 is a button structure; however, in other embodiments, the switch component 5 can be alternatively a pressure pad, a rotatable selector switch, a toggle, a slider, etc. When the switch component is pressed or pushed by an external force, the controller on the circuit board controls the brightness of the light source according to the number of times the switch is turned on and off. Depending on the type of control chip and the different structures of the switch control circuit, the lighting component 6 described in this embodiment can have various light source control schemes.

[0047] This embodiment of the solution enables the pen light to also function as a tire detection device, and it is easy to operate.

[0048] It should be understood that the above are only preferred embodiments of the present utility model, and the protection scope of the present utility model is not limited to the above embodiments. All technical solutions that fall within the scope of the present utility model are protected by the present utility model.

[0049] The accompanying drawings used in the above description of the embodiments only show some embodiments of the present invention and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

Claims

1. A multi-functional pen light with tire detection, comprising a housing and an illumination component disposed at one end of the housing, characterized in that, Also includes: A detection unit is disposed at the other end of the housing; the detection unit includes a measuring structure and a leveling structure; the measuring structure is movably disposed on the housing for measuring the groove depth of the tire tread; the leveling structure is adapted to act on the tire surface to form a measuring reference for the measuring structure.

2. The multi-functional pen light with tire detection according to claim 1, characterized in that, The measuring structure includes a push plate movably mounted on the housing and a probe connected to the push plate; the extension length of the probe is controlled by pushing the push plate.

3. The multifunctional pen light with tire detection according to claim 2, characterized in that, The leveling structure includes a leveling plate disposed on the housing, and the leveling plate is provided with a through hole to allow the probe to pass through.

4. The multifunctional pen light with tire detection according to claim 3, characterized in that, The finding plate is L-shaped and has a protrusion that protrudes from the housing to facilitate rotating the finding plate.

5. The multifunctional pen light with tire detection according to claim 3, characterized in that, The finding plate has a retractable and an unfolded state. In the retractable state, the finding plate is stored in a storage cavity provided on the housing. In the unfolded state, the plane of the finding plate is perpendicular to the axial direction of the probe, and the through hole is facing the probe to facilitate the probe's extension.

6. The multifunctional pen light with tire detection according to claim 3, characterized in that, The housing includes a tire tread detection section housing, a pen clip section housing, and an illumination section housing, wherein one end of the tire tread detection section housing is open and hollow in the axial direction extending to the other end so as to be detachably connected to the pen clip section housing, and together they form a receiving space for accommodating the power supply. The housing of the lighting section contains a lighting component and a switch component for controlling the opening and closing of the lighting component.

7. The multi-functional pen light with tire detection according to claim 6, characterized in that, The power source is a dry cell battery or a rechargeable battery, and when the power source is a rechargeable battery, the housing is provided with a charging port for charging.

8. The multi-functional pen light with tire detection according to claim 6, characterized in that, The end of the tire tread detection section housing away from the lighting component is provided with a hinge lug. The leveling plate is hinged to the hinge lug so that the storage state and the unfolded state can be switched by rotation. When the leveling plate is rotated to the unfolded state, the leveling plane is parallel to the end face of the tire tread detection section housing.

9. The multifunctional pen light with tire detection according to claim 6, characterized in that, The end face of the tire tread detection section housing is provided with an opening for the probe to extend out, and the side wall is provided with a strip-shaped hole. The push plate passes through the strip-shaped hole and is connected to the probe. The push plate is located in the strip-shaped hole and protrudes relatively to facilitate the movement of the push plate.

10. The multifunctional pen light with tire detection according to claim 9, characterized in that, The strip-shaped hole has a scale structure on its side, which is embedded under the glass mirror or directly on the surface of the outer shell of the tire tread detection section.

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