Pen clip lamp with magnet structure

CN224837209UActive Publication Date: 2026-10-09POWER ON TOOLS CO LTD XIAMEN CITY
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Patent Information

Application Number
CN202522231537.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-22
Publication Date
2026-10-09
Estimated Expiration
2035-10-22

AI Technical Summary

Technical Problem

然而,这种设计存在明显的缺陷:当实体部分的距离过长时,在注塑成型过程中容易因材料收缩而产生缩水变形,影响产品的结构强度和外观质量;而当实体部分的距离不足时,由于磁铁结构的吸力作用,连接块在长期使用过程中容易因受力集中而发生断裂,导致笔夹松动甚至脱落

Benefits of technology

本申请提供的一种带有磁铁结构的笔夹灯,通过安装凸部与连接凸块的独立设计形成插槽结构,使笔夹的弯折部嵌入其中,既避免注塑成型时因材料收缩导致变形,又增强连接块的结构强度,具有避免注塑缩水变形、防止连接块断裂、提高结构稳定性和可靠性的优点。

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Abstract

The utility model provides a pen clip lamp with magnet structure relates to lighting lamp technical field. Including casing, and pen clip, first magnet structure and lighting assembly are set up on the pen clip of casing, the installation boss for installing first magnet structure is formed to the casing outside, the side of installation boss is independently provided with the connecting boss for installing pen clip to the lighting assembly, the insertion slot is formed between installation boss and connecting boss, and the pen clip forms the bending part to embed in the insertion slot. Through this scheme to improve the structural strength of pen clip lamp, and the user uses conveniently.
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Description

Technical Field

[0001] This utility model relates to the field of lighting fixtures, and more specifically, to a pen clip lamp with a magnetic structure. Background Technology

[0002] In existing pen clip light structures, one end of the pen clip is typically connected to the end of the housing. When magnets are to be installed on the pen clip or at its front and rear ends, the solid portion of the connecting block on the housing used to secure the pen clip needs to be relatively long. However, this design has significant drawbacks: when the distance of the solid portion is too long, shrinkage deformation can easily occur during injection molding due to material shrinkage, affecting the product's structural strength and appearance quality; conversely, when the distance is insufficient, the connecting block is prone to breakage due to concentrated stress during long-term use caused by the magnetic attraction, leading to the pen clip loosening or even falling off. Furthermore, existing pen clip light structures lack optimization in magnet layout and pen clip fixing methods, making it difficult to balance structural stability and production feasibility, thus limiting the product's practicality and reliability. Utility Model Content

[0003] This utility model discloses a pen clip lamp with a magnet structure, which has the advantages of avoiding shrinkage and deformation during injection molding, preventing breakage of connecting blocks, and improving structural stability and reliability.

[0004] The present invention adopts the following solution: This application provides a pen clip lamp with a magnet structure, including a housing, a pen clip, a first magnet structure, and an illumination component disposed on the housing. The outer side of the housing has a mounting protrusion for mounting the first magnet structure. The mounting protrusion has a connecting protrusion independently disposed on the side facing the illumination component for mounting the pen clip. A slot is formed between the mounting protrusion and the connecting protrusion. The pen clip has a bent portion to be inserted into the slot.

[0005] Furthermore, the pen clip is secured to the connecting protrusion by fasteners.

[0006] Furthermore, a screw hole is formed on the top surface of the connecting protrusion, and the pen clip is fixed to the connecting protrusion by inserting a screw into the screw hole.

[0007] Furthermore, the upper end of the screw hole is provided with a stepped portion, and the inner side of the pen clip is provided with a protrusion for matching the stepped portion, and the protrusion is provided with a relief radius.

[0008] Furthermore, the connecting protrusion has an inwardly recessed arc-shaped portion on the side facing the lighting assembly.

[0009] Furthermore, two positioning blocks are symmetrically arranged on the top surface of the connecting protrusion, and a limiting groove is formed between the two positioning blocks; a connecting part suitable for embedding into the limiting groove is provided between the main body and the bent part of the pen clip.

[0010] Furthermore, the main body of the pen clip has a positioning notch near the bent portion, which is suitable for the two positioning blocks to be inserted.

[0011] Furthermore, a bottom cover is provided on the side of the housing away from the lighting component. Two strip-shaped holes are formed on the bottom cover, and iron pieces are fixed in the strip-shaped holes, with the iron pieces protruding from the bottom cover. A second magnet structure is provided between the two iron pieces, and the second magnet structure is hidden under the bottom cover.

[0012] Furthermore, the lighting component is rotatably mounted on the housing, and the lighting component is adapted to switch between a folded state and an unfolded state by rotation. A third magnet structure is provided on the side of the housing opposite to the pen clip, and the third magnet structure is adapted to be magnetically connected to a portion of the lighting component when the lighting component is in the folded state.

[0013] Furthermore, the slot is provided with a side groove to accommodate the pen clip.

[0014] Beneficial effects: This application provides a pen clip lamp with a magnet structure. The independent design of the mounting protrusion and the connecting protrusion forms a slot structure, in which the bent part of the pen clip is embedded. This not only avoids deformation caused by material shrinkage during injection molding, but also enhances the structural strength of the connecting block. It has the advantages of avoiding injection molding shrinkage deformation, preventing the connecting block from breaking, and improving structural stability and reliability. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of a pen clip lamp with a magnet structure according to an embodiment of the present invention; Figure 2 This is a schematic diagram of the structure of a pen clip lamp with a magnet structure from another perspective according to an embodiment of this utility model; Figure 3 This is a partially exploded structural diagram of a pen clip lamp with a magnet structure according to an embodiment of the present invention; Figure 4 This is a schematic diagram of the housing of a pen clip lamp with a magnet structure according to an embodiment of the present invention; Figure 5 This is another structural schematic diagram of the housing of a pen clip lamp with a magnet structure according to an embodiment of the present invention; Figure 6 This is a schematic diagram of the pen clip structure of a pen clip lamp with a magnet structure according to an embodiment of the present invention; Reference numerals: 1. Housing; 11. Mounting protrusion; 12. Connecting protrusion; 121. Positioning block; 122. Limiting groove; 123. Arc-shaped part; 124. Stepped part; 13. Slot; 131. Side groove; 2. Pen clip; 21. Main body; 22. Bending part; 23. Connecting part; 24. Positioning notch; 25. Protrusion; 3. First magnet structure; 4. Lighting assembly; 5. Bottom cover; 6. Iron sheet; 7. Second magnet structure; 8. Third magnet structure; 9. Fourth magnet structure; 10. Fastener. Detailed Implementation

[0016] Combination Figures 1 to 6 As shown, this embodiment provides a pen clip lamp with a magnetic structure, including a housing 1, a pen clip 2, a first magnetic structure 3, and an illumination component 4 disposed on the housing 1. The outer side of the housing 1 has a mounting protrusion 11 for mounting the first magnetic structure 3. The mounting protrusion 11 has a connecting protrusion 12 independently disposed on the side facing the illumination component 4 for mounting the pen clip 2. A slot 13 is formed between the mounting protrusion 11 and the connecting protrusion 12. The pen clip 2 has a bent portion 22 to be embedded in the slot 13.

[0017] Among them, the mounting protrusion 11 refers to the structure protruding from the outside of the housing 1, which can be integrally formed by injection molding process, and is used to provide a mounting base for the first magnet structure 3. The connecting protrusion 12 refers to the protruding structure independent of the mounting protrusion 11, which can be integrally formed with the housing 1 [1]. Its function is to separate the fixing area of ​​the pen clip 2 from the magnet mounting area, and reduce the shrinkage problem that occurs during the molding process due to the excessive length of the mounting protrusion 11 or the connecting protrusion 12. The slot 13 refers to the gap between the mounting protrusion 11 and the connecting protrusion 12, which is used to accommodate the bent part 22 of the pen clip 2 and restrict the displacement of the pen clip 2 through mechanical fitting. The bent part 22 refers to the structure formed by bending the end of the pen clip 2 inward or outward. After it is embedded in the slot 13, it can form multi-point contact with the housing 1, which enhances the stability of the pen clip 2. Preferably, a side groove 131 is provided in the slot 13 to make way for the pen clip 2.

[0018] The mounting protrusion 11 provides an independent mounting space for the first magnet structure 3. The connecting protrusion 12 is independently positioned on the side of the mounting protrusion 11 closest to the lighting component 4 along its extension direction. The pen clip 2 is fixed to it by fasteners 10, thus separating the fixing point of the pen clip 2 from the magnet mounting point. The slot 13 allows the bent portion 22 of the pen clip 2 to be embedded within it. The sidewall of the slot 13 further constrains the lateral displacement of the pen clip 2 by limiting the bent portion 22. This split design distributes the load, originally concentrated in a single solid structure, to two independent areas: the mounting protrusion 11 and the connecting protrusion 12. By having different structures bear the load for magnet mounting and pen clip 2 fixing, the length of the individual solid structure is shortened to avoid shrinkage defects, and the interlocking design of the slot 13 enhances the overall structural rigidity. This effectively solves the problem of easy breakage caused by insufficient length of the pen clip 2 connecting structure, while also avoiding molding defects caused by excessive structure length. The split design ensures that the magnet installation and pen clip 2 fixation do not interfere with each other, and the cooperation between the slot 13 and the bending part 22 further enhances the stability of the pen clip 2, thereby achieving a balance between structural strength and molding process within a limited space.

[0019] Continue to combine Figures 1 to 6 As shown, in this embodiment, the pen clip 2 can be fixed to the connecting protrusion 12 by a fastener 10. Specifically, screws, bolts, or rivets can be used to physically lock the pen clip 2 to the connecting protrusion 12 by pen-penetrating it. A screw hole is formed on the top surface of the connecting protrusion 12 to accommodate the fastener 10 and establish a fixing point. The main body 21 of the pen clip 2 is placed on the top surface of the connecting protrusion 12. The fastener 10 passes through the through hole on the pen clip 2 and is screwed into the screw hole on the top surface of the connecting protrusion 12, thus forming a rigid connection between the pen clip 2 and the connecting protrusion 12. During this process, the physical structure of the connecting protrusion 12 only needs to meet the requirements of screw hole depth and thread strength; there is no need to additionally extend the length of the connecting protrusion 12. Through the axial locking force of the fastener 10, the bent portion 22 of the pen clip 2 is stably pressed into the slot 13, while the shear force borne by the connecting protrusion 12 is distributed to the entire housing 1. In a preferred embodiment, a stepped portion 124 is provided at the upper end of the screw hole to match the protrusion 25 on the inner side of the pen clip 2. The protrusion 25 is provided with a relief R-angle to achieve positioning when installing the pen clip 2 and prevent it from shifting to all sides after locking. Continue to combine Figure 4 and Figure 5 As shown, in a preferred embodiment, the connecting protrusion 12 has an inwardly recessed arc-shaped portion 123 on the side facing the lighting component 4. The arc-shaped portion 123 refers to a curved surface structure on the surface of the connecting protrusion 12 that is recessed towards the lighting component 4. This structure can improve structural strength by dispersing stress through the curved surface. That is, the curved surface structure can evenly disperse the stress transmitted by the pen clip 2 along the arc surface, reducing the risk of breakage caused by stress concentration at the root of the connecting protrusion 12.

[0020] In this embodiment, two positioning blocks 121 are symmetrically arranged on the top surface of the connecting protrusion 12, and a limiting groove 122 is formed between the two positioning blocks 121; a connecting part 23 suitable for embedding into the limiting groove 122 is provided between the main body 21 and the bent part 22 of the pen clip 2. The positioning block 121 refers to the protruding structure provided on the top surface of the connecting protrusion 12, which is used to limit the lateral displacement of the connecting part 23 of the pen clip 2. The limiting groove 122 refers to the groove structure formed between the two positioning blocks 121. The connecting part 23 refers to the transition area between the main body 21 and the bent part 22 of the pen clip 2, which can be formed by stamping process, and its width matches the width of the limiting groove 122 to achieve fitting installation. During the assembly of the pen clip 2, the connecting part 23 is guided to be embedded into the limiting groove 122, and the two positioning blocks 121 respectively abut against the two side edges of the connecting part 23. When the fastener 10 applies pressure, the positioning block 121 bears the lateral force.

[0021] Continue to combine Figures 4 to 6 As shown, in this embodiment, a positioning notch 24 suitable for the insertion of two positioning blocks 121 is formed on the main body 21 of the pen clip 2 near the bending portion 22. The positioning notch 24 is located in the area where the connecting portion 23 is located. The positioning notch 24 refers to a groove structure opened on the edge of the main body 21 of the pen clip 2, the shape of which matches the outer contour of the positioning block 121. When the pen clip 2 is assembled, the positioning notch 24 is sleeved on the outside of the two positioning blocks 121, so that the main body 21 of the pen clip 2 forms a lateral constraint with the connecting protrusion 12.

[0022] Continue to combine Figures 1 to 3 As shown, in one embodiment, a bottom cover 5 is provided on the side of the housing 1 away from the lighting component 4. Two strip-shaped holes are formed on the bottom cover 5, and iron pieces 6 are fixed in the strip-shaped holes, with the iron pieces 6 protruding from the bottom cover 5. A second magnet structure 7 is provided between the two iron pieces 6, and the second magnet structure 7 is hidden below the bottom cover 5.

[0023] The bottom cover 5 is a component that covers the bottom of the housing 1 and provides a mounting base for the second magnet structure 7. The strip-shaped hole is a long, narrow through-hole penetrating the bottom cover 5, used to fix the iron sheet 6 and limit its displacement. The iron sheet 6 is a metal sheet with magnetic properties, used to form a magnetic contact surface on the surface of the bottom cover 5. The second magnet structure 7 can be made of neodymium iron boron magnets embedded inside the bottom cover 5 to enhance magnetic attraction and prevent exposure. The bottom cover 5 can be fixed to the bottom of the housing 1 with adhesive, and the two strip-shaped holes are distributed parallel to each other on the surface of the bottom cover 5. The iron sheet 6 is fixed in the strip-shaped hole by interference fit or adhesive, and its top surface is flush with the outer surface of the bottom cover 5. The second magnet structure 7 is enclosed inside the bottom cover 5, located in the cavity between the two iron sheets 6, with the magnetic pole direction perpendicular to the iron sheets 6. The independent bottom cover 5 structure separates the magnet mounting area from the main body 21 of the housing 1. The combination of the strip-shaped hole and the iron sheet 6 can both disperse assembly stress and prevent surface wear caused by direct exposure of the magnet. The mating structure of the iron sheet 6 and the bottom cover 5 can withstand the shearing force generated by repeated magnetic attraction operations. The hidden design of the second magnet structure 7 avoids the magnet from falling off due to external collisions, while maintaining the flat appearance of the bottom of the shell 1.

[0024] In this embodiment, the lighting component 4 is rotatably mounted on the housing 1. The lighting component 4 is adapted to switch between a folded state and an unfolded state by rotation. A third magnet structure 8 is provided on the side of the housing 1 opposite to the pen clip 2. The third magnet structure 8 is adapted to magnetically connect with a portion of the lighting component 4 when it is in the folded state. The third magnet structure 8 refers to a magnetic component located on the back of the housing 1 and corresponding to the folded position of the lighting component 4. Its function is to stably fix the folded lighting component 4 to the housing 1 through magnetic attraction, preventing accidental unfolding due to external vibration or collision. The folded state refers to the lighting component 4 rotating around a rotation axis to a position that is in contact with the surface of the housing 1. Specifically, the rotation function can be achieved through a hinge or pivot mechanism. In the folded state, a portion of the lighting component 4 contacts the third magnet structure 8, thereby forming a closed magnetic circuit to enhance the adsorption effect. When unfolding is required, the user applies a rotational force to overcome the magnetic attraction and rotate the lighting component 4 to the working angle. In this process, the setting of the third magnet structure 8 avoids the need to add an additional mechanical locking structure to the housing 1.

[0025] Continue to combine Figures 1 to 3As shown, in a preferred embodiment, a fourth magnet structure 9 is further provided at the end of the housing 1 near the lighting component 4. The fourth magnet structure 9 is coplanar with the first magnet structure 3. The fourth magnet structure 9 refers to a magnetic component attached to the end of the housing 1 near the lighting component 4, and its shape can be circular, square, or other regular geometric shapes. Coplanar arrangement means that the top surfaces of the fourth magnet structure 9 and the first magnet structure 3 are on the same plane, ensuring that their magnetic attraction surfaces are flush. When the pen clip 2 lamp needs to be attracted to a metal surface, the first magnet structure 3 and the fourth magnet structure 9 together provide magnetic attraction, making the magnetic force distribution more uniform.

[0026] In a preferred embodiment, the top surface of the pen clip 2 is at the same height as or lower than the top surface of the first magnet structure 3. "At the same height" means that the highest surface of the pen clip 2 after installation is on the same plane as the highest surface of the first magnet structure 3. When the top surface of the pen clip 2 is at the same height as or lower than the first magnet structure 3, the solid length of the connecting protrusion 12 along the longitudinal direction of the housing 1 is shortened, thereby avoiding molding shrinkage or breakage problems caused by excessively long solid parts. At the same time, the first magnet structure 3 still maintains sufficient protrusion height to ensure that its adsorption capacity with external magnetic objects is not affected. By adjusting the height relationship between the top surface of the pen clip 2 and the first magnet structure 3, the solid length of the connecting protrusion 12 is significantly shortened while ensuring the function of the magnet, thereby reducing the risk of structural defects.

[0027] The above-described embodiments improve the structural strength of the pen clip lamp 2 and enhance its functionality.

[0028] 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.

[0029] 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 pen clip lamp with a magnet structure, comprising a housing, a pen clip disposed on the housing, a first magnet structure, and an illumination component, characterized in that, The outer side of the housing has a mounting protrusion for mounting the first magnet structure. The mounting protrusion has a connecting protrusion independently provided on the side facing the lighting assembly for mounting the pen clip. A slot is formed between the mounting protrusion and the connecting protrusion. The pen clip has a bent portion to be inserted into the slot.

2. The pen clip lamp with a magnet structure according to claim 1, characterized in that, The pen clip is secured to the connecting protrusion by fasteners.

3. The pen clip lamp with a magnet structure according to claim 2, characterized in that, The top surface of the connecting protrusion has a screw hole, and the pen clip is fixed to the connecting protrusion by inserting a screw into the screw hole.

4. The pen clip lamp with a magnet structure according to claim 3, characterized in that, The upper end of the screw hole is provided with a stepped portion, and the inner side of the pen clip is provided with a protrusion for matching the stepped portion, and the protrusion is provided with a relief radius.

5. The pen clip lamp with a magnet structure according to claim 1, characterized in that, The connecting protrusion has an inwardly recessed arc-shaped portion on the side facing the lighting component.

6. The pen clip lamp with a magnet structure according to claim 1, characterized in that, The top surface of the connecting protrusion is symmetrically provided with two positioning blocks, and a limiting groove is formed between the two positioning blocks; a connecting part suitable for embedding into the limiting groove is provided between the main body and the bending part of the pen clip.

7. The pen clip lamp with a magnet structure according to claim 6, characterized in that, The main body of the pen clip has a positioning notch near the bent portion, which is suitable for the two positioning blocks to be inserted.

8. The pen clip lamp with a magnet structure according to claim 1, characterized in that, A bottom cover is provided on the side of the housing away from the lighting component. Two strip-shaped holes are formed on the bottom cover. Iron pieces are fixed in the strip-shaped holes and protrude from the bottom cover. A second magnet structure is provided between the two iron pieces and is hidden under the bottom cover.

9. The pen clip lamp with a magnet structure according to claim 1, characterized in that, The lighting component is rotatably mounted on the housing and is adapted to switch between a folded state and an unfolded state by rotation. A third magnet structure is provided on the side of the housing opposite to the pen clip and is adapted to be magnetically connected to a portion of the lighting component when the lighting component is in the folded state.

10. The pen clip lamp with a magnet structure according to claim 1, characterized in that, The slot has a side groove to accommodate the pen clip.