Quick assembling and disassembling mechanism for flashlight tail battery

Abstract

The utility model discloses a flashlight tube tail battery quick assembling and disassembling mechanism which comprises a tube body, a tube tail and an assembling and disassembling assembly used for connecting the tube body and the tube tail, the tube tail is inserted into an opening reserved in the tail end of the tube body, the assembling and disassembling assembly comprises a lock cover, a cam, a connecting rod and a torsional spring, the cam is rotatably arranged on the tube body, and the connecting rod is connected with the lock cover. The number of the connecting rods is two, the two connecting rods are symmetrically connected to the two ends of the cam in an abutting mode, the cam can drive the two connecting rods to move in the opposite or departing direction, inserting grooves opposite to the connecting rods are symmetrically formed in the outer wall face of the cylinder tail, and when the two connecting rods move in the opposite direction and are inserted into the inserting grooves, locking is achieved between the cylinder body and the cylinder tail. And outer convex surfaces for pushing the connecting rod to move are symmetrically arranged at the two ends of the cam. The connecting rod is pushed to do linear motion by utilizing different distances from the outer convex surface of the cam to the center line, so that the cylinder tail is quickly locked and unlocked, and the use of a user is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of flashlights, in particular to a quick-loading and disassembling mechanism for batteries at the end of a flashlight. Background Art

[0002] A flashlight is a handheld electronic lighting tool. A typical flashlight consists of a flashlight body, batteries, a tail cap (barrel), and a bulb. Currently, multi-battery flashlights with a grade 7 or 8 waterproof rating primarily use threaded, screw, and buckle locking methods for securing the barrel. Threaded locking requires multiple turns to loosen and tighten the barrel, preventing quick tightening. Screw locking requires tools and prevents quick tightening. Buckle locking is more convenient than other methods and doesn't require tools, but it still doesn't allow for quick tightening and is prone to insufficient locking strength, failing to meet the growing user demands. Utility Model Content

[0003] In order to overcome the shortcomings of the prior art, the utility model aims to provide a flashlight battery fast loading and unloading mechanism.

[0004] The technical solution adopted by the present utility model is as follows: a flashlight tail battery quick loading and unloading mechanism, comprising a body, a tail and a mounting and disassembly component for connecting the two, wherein the tail is inserted into an opening reserved at the tail end of the body, and the mounting and disassembly component comprises a locking cover, a cam, a connecting rod and a torsion spring, wherein the cam is rotatably arranged on the body, and there are two connecting rods, which are symmetrically abutted against both ends of the cam, and the cam can drive the two connecting rods to move in relative or opposite directions, and the outer wall of the tail is symmetrically provided with slots opposite to the connecting rods, and when the two connecting rods move in relative directions and are inserted into the slots, the body and the tail are locked.

[0005] In a preferred embodiment, the locking cover is installed on the outer wall of the barrel, and a receiving space for accommodating the cam, connecting rod and torsion spring is formed between the locking cover and the barrel, and the locking cover and the side wall of the barrel are both provided with holes for the two connecting rods to extend in or out.

[0006] In a preferred embodiment, the cam has symmetrically provided outer convex surfaces at both ends for pushing the connecting rod to move, the outer wall of the barrel is recessed inward to form an axial hole, and the center of the back of the cam is provided with a rotating shaft portion that can rotate freely along the axial hole.

[0007] In a preferred embodiment, the assembly and disassembly component further includes a knob, which is placed outside the lock cover and is locked to the cam by screws. A through hole is provided on the lock cover, and a protruding column portion is formed on the outer wall of the cam that can rotate along the through hole.

[0008] In a preferred embodiment, the connecting rod includes an integrated horizontal portion and a vertical portion, there are two torsion springs installed at two oblique corners inside the lock cover, and the ends of the two torsion springs are respectively connected to the vertical portions of the two connecting rods.

[0009] In a preferred embodiment, an insert block adapted to the slot is protruded from the inner end surface of the transverse portion of the connecting rod, and a downwardly inclined slope is provided on the top of the insert block.

[0010] In a preferred embodiment, the barrel tail has a stepped portion that gradually narrows downward, and a sealing ring that abuts against the inner wall of the barrel body is embedded in the outer wall of the lower step of the stepped portion.

[0011] In a preferred embodiment, a bottom edge of the upper step of the stepped portion is provided with a notch having the same slope as the inclined surface.

[0012] In summary, due to the adoption of the above-mentioned technical solution, the beneficial effects of the utility model are as follows: an assembly and disassembly component for locking the barrel tail is designed outside the barrel body, and the original state of the assembly and disassembly component is a locked state. When the barrel tail is inserted into the barrel body, the notched part of the barrel tail is used to press down the plug block and move toward the separated side. When the slot and the plug block are aligned, the plug block is driven into the slot by the rebound force of the torsion spring, thereby realizing a self-locking operation during insertion; during subsequent assembly and disassembly, the rotating knob utilizes the different distances from the outer convex surface of the cam to the center line to push the connecting rod to move in a straight line, thereby realizing rapid locking and opening of the barrel tail, which is convenient for users to use and has advantages that current products do not have. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the planar structure of the utility model in a locked state;

[0014] Figure 2 for Figure 1 Schematic diagram of the cross-sectional plane structure at AA in the middle;

[0015] Figure 3 for Figure 1 Schematic diagram of the cross-sectional plane structure at BB in the middle;

[0016] Figure 4 This is a schematic diagram of the partially cutaway planar structure of the utility model in a locked state;

[0017] Figure 5 This is a schematic diagram of the three-dimensional structure of the utility model in the locked state;

[0018] Figure 6 This is a schematic diagram of the three-dimensional structure of the utility model in the unlocked state;

[0019] Figure 7This is a schematic diagram of the cross-sectional structure of the disassembly assembly in the unlocked state of the present invention;

[0020] Figure 8 This is a schematic diagram of the partially cutaway planar structure of the utility model in the unlocked state.

[0021] Markings in the figure: 1-barrel body, 2-barrel tail, 21-slot, 22-step part, 221-notch, 3-knob, 4-lock cover, 5-connecting rod, 51-insert block, 6-cam, 61-external convex surface, 7-rotating shaft, 8-torsion spring, 9-sealing ring. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0023] A flashlight battery quick loading and unloading mechanism, refer to Figure 1-8 , including a barrel body 1, a barrel tail 2 and an assembly and disassembly component for connecting the two, the barrel tail 2 is inserted into the opening reserved at the tail end of the barrel body 1, the assembly and disassembly component includes a lock cover 4, a cam 6, a connecting rod 5 and a torsion spring 8, wherein the cam 6 is rotatably arranged on the barrel body 1, the connecting rod 5 is two, and symmetrically abuts against the two ends of the cam 6, and the two ends of the cam 6 are symmetrically provided with an outer convex surface 61 for pushing the connecting rod 5 to move, the cam 6 can drive the two connecting rods 5 to move in relative or opposite directions, the outer wall surface of the barrel tail 2 is symmetrically provided with a slot 21 opposite to the connecting rod 5, the connecting rod 5 includes an integrated horizontal part and a vertical part, and the connecting rod The inner end surface of the transverse portion of the rod 5 is protruded to form an insert block 51 that is compatible with the slot 21. When the two connecting rods 5 move in relative directions and are inserted into the slot 21, the barrel body 1 and the barrel tail 2 are locked. An assembly and disassembly component for locking the barrel tail 2 is designed outside the barrel body 1. When assembling and disassembling the barrel tail 2, the cam 6 is rotated and the different distances from the outer convex surface 61 of the cam 6 to the center line are used to push the connecting rod 5 to make relative or opposite linear motions. The insert block 51 is inserted into the slot 21 to achieve self-locking, otherwise it is in an unlocked state, thereby achieving rapid locking and opening of the barrel tail 2, which is convenient for users to use.

[0024] Reference Figure 2 and Figure 7 As shown, the locking cover 4 is installed on the outer wall of the barrel 1, and a receiving space for accommodating the cam 6, the connecting rod 5 and the torsion spring 8 is formed between the locking cover 4 and the barrel 1. The locking cover 4 and the side wall of the barrel 1 are both provided with holes for the two connecting rods 5 to extend in or out. The locking cover 4 can be locked to the outside of the barrel 1 by a number of fastening screws. The locking cover 4 can assist in limiting the moving position of the connecting rod 5 and the cam 6, so that the connecting rod 5 can move inward or outward in a straight line along the hole direction. At the same time, the locking cover 4 can also protect the parts in the receiving space.

[0025] Furthermore, the outer wall of the barrel 1 is recessed inward to form an axial hole, and the center of the back of the cam 6 is provided with a rotating shaft portion 7 that can rotate freely along the axial hole. The assembly and disassembly component also includes a knob 3, which is placed outside the lock cover 4 and is locked with the cam 6 by screws. A through hole is provided on the lock cover 4, and a convex column portion that can rotate along the through hole is protruded from the outer wall of the cam 6. The cooperation of the axial hole and the through hole can assist in limiting the rotation direction of the cam 6. The rotary 3 can facilitate the user to rotate the cam 6, thereby realizing subsequent unlocking and locking operations, wherein the outer peripheral surface of the knob 3 can be provided with anti-slip textures.

[0026] Furthermore, there are two torsion springs 8 installed at two oblique corners inside the lock cover 4. The ends of the two torsion springs 8 are respectively connected to the vertical parts of the two connecting rods 5. When the barrel tail 2 is in the locked state, the elastic force and torsion force of the torsion spring 8 can make the insert 51 stably inserted into the slot 21 without the problem of self-unlocking. At the same time, when the assembly and disassembly component is in the unlocked state, the self-locking effect of the knob 3 itself can also be achieved through the torsion spring 8.

[0027] Furthermore, the barrel tail 2 has a stepped portion 22 that gradually narrows downward. A sealing ring 9 is embedded in the outer wall of the lower step of the stepped portion 22 and is against the inner wall of the barrel body 1. The sealing ring is pressed tightly against the inner wall of the barrel body 1 to achieve a sealing and waterproofing effect.

[0028] Reference Figure 4 and Figure 8 As shown, the top of the insert block 51 is provided with a downwardly inclined slope, and the bottom edge of the upper step of the step portion 22 is provided with a notch 221 with the same slope as the slope of the slope, wherein the original state of the assembly and disassembly assembly is a locked state, that is, the insert block 51 is extended into the interior of the barrel body 1. When the barrel tail 2 is inserted into the barrel body 1, the notch 221 of the barrel tail 2 is used to press the insert block 51 downward and move it in the opposite direction. When the slot 21 is aligned with the insert block 51, the insert block 51 is driven by the rebound force of the torsion spring 8 to be inserted into the slot 21, thereby realizing a self-locking operation during insertion.

[0029] It should be mentioned that the self-locking stroke of the assembly and disassembly component is greater than the maximum distance that the connecting rod 5 moves outward when the barrel tail 2 pushes the barrel body 1. During the process of pressing the barrel tail 2 down and inserting it into the barrel body 1, the knob 3 will not reach the self-locking state.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A flashlight battery quick loading and unloading mechanism, characterized in that: It includes a barrel body, a barrel tail and an assembly and disassembly component for connecting the two. The barrel tail is inserted into an opening reserved at the tail end of the barrel body. The assembly and disassembly component includes a locking cover, a cam, a connecting rod and a torsion spring. The cam is rotatably arranged on the barrel body. There are two connecting rods, which are symmetrically abutted against the two ends of the cam. The cam can drive the two connecting rods to move in relative or opposite directions. The outer wall of the barrel tail is symmetrically provided with slots opposite to the connecting rods. When the two connecting rods move in relative directions and are inserted into the slots, the barrel body and the barrel tail are locked.

2. A flashlight battery quick loading and unloading mechanism as claimed in claim 1, characterized in that: The locking cover is installed on the outer wall of the cylinder body, and a receiving space for accommodating the cam, connecting rod and torsion spring is formed between the locking cover and the cylinder body. The locking cover and the side wall of the cylinder body are both provided with holes for the two connecting rods to extend in or out.

3. The quick battery loading and unloading mechanism for a flashlight as claimed in claim 1, characterized in that: The two ends of the cam are symmetrically provided with outer convex surfaces for pushing the connecting rod to move, the outer wall of the cylinder body is recessed inward to form an axis hole, and the center of the back side of the cam is provided with a rotating shaft part that can rotate freely along the axis hole.

4. A flashlight battery quick loading and unloading mechanism as claimed in claim 1, characterized in that: The assembly and disassembly component further includes a knob, which is placed outside the lock cover and is locked to the cam via screws. A through hole is provided on the lock cover, and a convex column portion that can rotate along the through hole is protruded from the outer wall of the cam.

5. The quick battery loading and unloading mechanism for a flashlight as claimed in claim 1, characterized in that: The connecting rod includes an integrated horizontal portion and a vertical portion. There are two torsion springs installed at two oblique corners inside the lock cover. The ends of the two torsion springs are respectively connected to the vertical portions of the two connecting rods.

6. A flashlight battery quick loading and unloading mechanism as claimed in claim 1, characterized in that: An inserting block adapted to the slot is formed on the inner end surface of the transverse portion of the connecting rod, and a downwardly inclined inclined surface is provided on the top of the inserting block.

7. The quick battery loading and unloading mechanism for a flashlight as claimed in claim 1, characterized in that: The barrel tail has a stepped portion that gradually narrows downwards, and a sealing ring that abuts against the inner wall of the barrel body is embedded on the outer wall of the lower step of the stepped portion.

8. The quick battery loading and unloading mechanism for a flashlight as claimed in claim 7, characterized in that: A notch having the same slope as the inclined surface is provided on the bottom edge of the upper step of the step portion.

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