Controllable springback type telescopic key chain

Abstract

The utility model discloses a controllable springback type telescopic key chain, which relates to the technical field of key chains and comprises an outer shell, the outer shell comprises an outer shell male assembly and an outer shell female assembly, and a telescopic fixing mechanism is arranged in the outer shell. One end of a telescopic line is fixed to a line winding hole, a clockwork spring is fixed to a fixing groove, a connecting ring is buckled on a body, when the telescopic line at the bottom end of a connecting block is pulled, the telescopic line drives a line winding column, the line winding column drives a lower line disc to rotate, at the moment, a spring hook fixes one end of the clockwork spring, and the clockwork spring is compressed when a line disc rotates; when the telescopic wire is stretched to a proper position, the pressing block is pressed, the movable block moves downwards, the clamping pin is clamped into the limiting groove in the surface of the upper wire coil, at the moment, the clamping pin stops the wire coil from springback, and therefore the purpose of controllable springback is achieved; and meanwhile, the clamping pin clamps the wire coil, so that the length of the telescopic wire is fixed, and the adaptability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of key chains, in particular to a controllable rebound telescopic key chain. Background Art

[0002] Keychains are typically made of metal, leather, plastic, rubber, wood, and other materials. These delicate, compact items, with a variety of shapes, are essential for everyday use. Keychains are decorative items that hang from key rings.

[0003] Patent publication number CN221265387U discloses a key chain, including an upper buckle plate and a lower buckle plate, two hinge mechanisms are provided between one side of the upper buckle plate and the lower buckle plate; the hinge mechanism includes an upper connecting rod and a lower connecting rod, a hinge is provided between one end of the upper connecting rod and the lower connecting rod, one end of the upper connecting rod and one end of the lower connecting rod are respectively rotatably connected to the corresponding upper buckle plate and lower buckle plate, and respectively extend into the corresponding upper buckle plate and lower buckle plate.

[0004] In order to solve the problem of facilitating the storage of keys, the existing technology adopts a hinge mechanism. When installing and removing the keys, it is only necessary to manually pry the upper and lower buckle plates to fully open the latch and the pin barrel, put the hole in the key head on the pin barrel, and the torsion spring returns to its original position under the action of its own elastic force. The key is turned to make the key enter the gap between the upper and lower buckle plates. However, there is still a situation where the key chain rope cannot be stretched according to the needs of the user, which leads to the problem of needing to take the key chain off the body before using the key. Utility Model Content

[0005] The purpose of the present invention is to provide a controllable rebound telescopic keychain to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0007] A controllable rebound telescopic keychain includes a shell, the shell includes a shell male component and a shell female component, a telescopic fixing mechanism is provided inside the shell, a nut is threadedly connected to the surface of the shell, and a nut is threadedly connected to the surface of the nut.

[0008] The telescopic fixing mechanism includes a spring hook, which is clamped on the surface of the shell. A clockwork spring is fixedly connected to the surface of the spring hook. A wire drum is fixedly installed on one end of the clockwork spring. A telescopic wire is fixedly installed on the surface of the wire drum. A limiting copper sleeve is movably installed on the surface of the telescopic wire. The limiting copper sleeve is movably installed on the surface of the shell. A connecting ring is fixedly installed on one end of the telescopic wire.

[0009] A further improvement of the technical solution of the present utility model is that: the wire drum includes a lower wire drum, the lower wire drum is movably installed inside the shell, the surface of the lower wire drum is provided with a connecting hole, the surface of the lower wire drum is fixedly installed with a wire winding post, the surface of the wire winding post is provided with a fixing groove, and the fixing groove is adapted to one end of the clockwork spring.

[0010] A further improvement of the technical solution of the present utility model is that: a winding hole is provided on the surface of the winding column, the winding hole is fixedly connected to one end of the telescopic line, an upper wire drum is fixedly installed on the surface of the winding column, and a limiting groove is provided on the surface of the upper wire drum, and there are multiple groups of limiting grooves, and the limiting grooves are evenly distributed on the surface of the upper wire drum.

[0011] A further improvement of the technical solution of the present utility model is that the telescopic fixing mechanism also includes a movable block, which is movably installed inside the shell, a pressing block is fixedly installed on the top end of the movable block, and a bayonet is fixedly installed on the bottom end of the movable block, and the bayonet is adapted to the limit slot.

[0012] A further improvement of the technical solution of the present utility model is that: the outer shell male component includes an outer shell male, the outer shell male is movably mounted on the surface of the line disk, the surface of the outer shell male is fixedly mounted with an outer shell clamping plate, the surface of the outer shell male is fixedly mounted with a first rotating shaft column, the first rotating shaft column is adapted to the connecting hole, the surface of the outer shell male is provided with a first limiting groove, the surface of the outer shell male is provided with a first wire groove, the surface of the outer shell male is provided with a first connecting ring, and the surface of the first connecting ring is fixedly mounted with a first clamping ring.

[0013] A further improvement of the technical solution of the present utility model is that: the outer shell shell nut assembly includes an outer shell shell nut, the outer shell shell nut is clamped on the surface of the outer shell shell male, the surface of the outer shell shell nut is fixedly installed with an outer shell slot, the outer shell slot is clamped on the surface of the connecting pin, the surface of the outer shell shell nut is fixedly installed with a second rotating shaft column, the surface of the second rotating shaft column is fixedly installed with a connecting pin, and the connecting pin is adapted to the first rotating shaft column.

[0014] A further improvement of the technical solution of the present utility model is that: a second wire groove is provided on the surface of the outer shell nut, a second limiting groove is provided on the surface of the outer shell nut, the second limiting groove is movably installed on the surface of the movable block, an annular groove is fixedly installed on the surface of the outer shell nut, a second connecting ring is fixedly installed on the surface of the annular groove, and the second connecting ring is adapted to the first connecting ring.

[0015] Due to the adoption of the above technical solution, the present invention has achieved the following technical advancements compared to the prior art:

[0016] 1. The utility model provides a controllable rebound telescopic keychain, which adopts the cooperation of a spring hook, a clockwork spring, a wire drum, a wire winding post, a lower wire drum, a fixed groove, a limit groove, a connecting hole, a wire winding hole, an upper wire drum, a telescopic wire, a limit copper sleeve, a connecting ring, a pressing block, a movable block, and a latch. By fixing one end of the telescopic wire on the wire winding hole, fixing the clockwork spring on the fixed groove, and linking the connecting ring with the key, when the telescopic wire inside the limit copper sleeve is pulled, the telescopic wire drives the wire winding post, and the wire winding post drives the lower wire drum to rotate. At this time, the spring hook fixes one end of the clockwork spring, and the clockwork spring is compressed when the wire drum rotates. When the telescopic wire is stretched to the appropriate position, the pressing block is pressed, so that the movable block moves downward and the latch is locked into the limit groove on the surface of the upper wire drum. At this time, the rebound force of the clockwork spring causes the limit groove to clamp the latch, and at the same time, the latch locks the wire drum so that the length of the telescopic wire is fixed, thereby improving the adaptability of the device.

[0017] 2. The utility model provides a controllable rebound telescopic key chain, which adopts an outer shell male component, an outer shell male component, an outer shell clamping plate, a first rotating shaft column, a first clamping ring, a first connecting ring, a first limiting groove, a first wire groove, an outer shell female component, an outer shell female component, a connecting pin, a second rotating shaft column, an outer shell clamping slot, a second connecting ring, an annular clamping slot, a second wire groove, and a second limiting groove. The telescopic wire is placed in the first wire groove and the movable block is placed in the first limiting groove. At this time, when the outer shell male component is aligned with the outer shell female component, the outer shell clamping plate and the outer shell clamping slot are clamped with each other, the annular clamping slot and the first clamping ring are clamped with each other, so that the second connecting ring and the first connecting ring are connected to each other for easy wearing. The first rotating shaft column and the connecting pin are clamped with each other, so that the wire reel rotates on the surface of the second rotating shaft column. After fixing, the second limiting groove and the first limiting groove are connected to each other so that the movable block can move inside it, and the first wire groove and the second wire groove are connected to each other so that the limiting copper sleeve can move inside it. At this time, the nut is inserted into the first rotating shaft column, and the nut is threadedly connected to the nut, thereby making the device completely fixed, thereby improving the adaptability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic structural diagram of the axial view of the utility model;

[0020] Figure 3 This is a structural diagram of the telescopic fixing mechanism of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the wire drum of the utility model;

[0022] Figure 5 This is a structural diagram of the outer shell and male component of the utility model;

[0023] Figure 6This is a structural diagram of the shell and shell female components of the utility model.

[0024] In the figure: 1, housing; 11, housing male component; 111, housing male; 112, housing clamp; 113, first shaft column; 114, first clamping ring; 115, first connecting ring; 116, first limiting groove; 117, first wire groove; 12, housing female component; 121, housing female; 122, connecting pin; 123, second shaft column; 124, housing clamping groove; 125, second connecting ring; 126, annular clamping groove; 127, second wire groove; 1 28. Second limiting slot; 2. Telescopic fixing mechanism; 201. Spring hook; 202. Bayonet; 203. Clockwork spring; 204. Wire drum; 2041. Wire winding post; 2042. Lower wire drum; 2043. Fixing slot; 2044. Limiting slot; 2045. Connecting hole; 2046. Wire winding hole; 2047. Upper wire drum; 205. Telescopic wire; 206. Limiting copper sleeve; 207. Connecting ring; 208. Pressing block; 209. Movable block; 3. Nut; 4. Nut. DETAILED DESCRIPTION

[0025] The present invention is further described in detail below with reference to the embodiments:

[0026] Example 1

[0027] like Figure 1-6As shown, the utility model provides a controllable rebound telescopic key chain, including a shell 1, the shell 1 includes a shell male component 11 and a shell female component 12, a telescopic fixing mechanism 2 is provided inside the shell 1, a nut 3 is threadedly connected to the surface of the shell 1, a nut 4 is threadedly connected to the surface of the nut 3, the telescopic fixing mechanism 2 includes a spring hook 201, the spring hook 201 is clamped on the surface of the shell 1, a clockwork spring 203 is fixedly connected to the surface of the spring hook 201, a wire drum 204 is fixedly installed on one end of the clockwork spring 203, a telescopic wire 205 is fixedly installed on the surface of the wire drum 204, a limiting copper sleeve 206 is movably installed on the surface of the telescopic wire 205, the limiting copper sleeve 206 is movably installed on the surface of the shell 1, a connecting ring 207 is fixedly installed on one end of the telescopic wire 205, the wire drum 204 includes a lower wire drum 2042, the lower wire drum 2042 is movably installed inside the shell 1, the lower wire drum 204 The surface of 2 is provided with a connecting hole 2045, and the surface of the lower wire drum 2042 is fixedly installed with a winding post 2041, and the surface of the wire winding post 2041 is provided with a fixing groove 2043, and the fixing groove 2043 is adapted to one end of the clockwork spring 203. The surface of the wire winding post 2041 is provided with a wire winding hole 2046, and the wire winding hole 2046 is fixedly connected to one end of the telescopic wire 205. The surface of the wire winding post 2041 is fixedly installed with an upper wire drum 2047, and the surface of the upper wire drum 2047 is provided with a limiting groove 2044, and the limiting groove 2044 is provided with multiple groups, and the limiting grooves 2044 are evenly distributed on the surface of the upper wire drum 2047. The telescopic fixing mechanism 2 also includes a movable block 209, which is movably installed in the interior of the shell 1, and a pressing block 208 is fixedly installed on the top of the movable block 209, and a bayonet 202 is fixedly installed on the bottom end of the movable block 209, and the bayonet 202 is adapted to the limiting groove 2044.

[0028] When the retractable wire 205 is stretched to the appropriate position, the pressing block 208 is pressed, so that the movable block 209 moves the latch 202 downward and is locked in the limiting groove 2044 on the surface of the upper reel 2047. At this time, the rebound force of the retractable wire 203 causes the limiting groove 2044 to clamp the latch 202, and the latch 202 also locks the reel 204, so that the length of the retractable wire 205 is fixed, thereby improving the adaptability of the device.

[0029] Example 2

[0030] like Figure 1-6As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the outer shell male component 11 includes an outer shell male 111, the outer shell male 111 is movably mounted on the surface of the line disk 204, the outer shell male 111 is fixedly mounted with an outer shell clamping plate 112, the outer shell male 111 is fixedly mounted with a first rotating shaft column 113 on the surface, the first rotating shaft column 113 is adapted to the connecting hole 2045, the outer shell male 111 is provided with a first limiting groove 116 on the surface, the outer shell male 111 is provided with a first wire groove 117 on the surface, the outer shell male 111 is provided with a first connecting ring 115 on the surface, the first connecting ring 115 is fixedly mounted with a first clamping ring 114, the outer shell female component 12 includes an outer shell female 121, and the outer shell female 121 is clamped on the outer shell The surface of the shell male 111 and the surface of the shell female 121 are fixedly installed with a shell slot 124, and the shell slot 124 is clamped on the surface of the connecting pin 122. The surface of the shell female 121 is fixedly installed with a second rotating shaft column 123, and the surface of the second rotating shaft column 123 is fixedly installed with a connecting pin 122, and the connecting pin 122 is adapted to the first rotating shaft column 113. The surface of the shell female 121 is provided with a second wire groove 127, and the surface of the shell female 121 is provided with a second limiting groove 128. The second limiting groove 128 is movably installed on the surface of the movable block 209. The surface of the shell female 121 is fixedly installed with an annular slot 126, and the surface of the annular slot 126 is fixedly installed with a second connecting ring 125, and the second connecting ring 125 is adapted to the first connecting ring 115.

[0031] In this embodiment, by placing the telescopic wire 205 in the first wire groove 117 and the movable block 209 in the first limiting groove 116, the shell clamping plate 112 and the shell clamping groove 124 are mutually clamped when the outer shell male 111 is aligned with the outer shell female 121, and the annular clamping groove 126 and the first clamping ring 114 are mutually clamped, so that the second connecting ring 125 and the first connecting ring 115 are connected to each other for easy wearing, and the first rotating shaft column 113 and the connecting pin 122 are mutually clamped, so that the wire drum 204 rotates on the surface of the second rotating shaft column 123. After fixing, the second limiting groove 128 and the first limiting groove 116 are interconnected so that the movable block 209 can move inside it, and the first wire groove 117 and the second wire groove 127 are interconnected so that the limiting copper sleeve 206 can move inside it. At this time, the nut 3 is inserted into the first rotating shaft column 113, and the nut 4 is threadedly connected to the nut 3, so that the device is completely fixed, thereby improving the adaptability of the device.

[0032] The following is a detailed description of the working principle of this controllable rebound telescopic keychain.

[0033] like Figure 1-6As shown, by placing the telescopic wire 205 in the first wire groove 117 and the movable block 209 in the first limiting groove 116, at this time, when the outer shell male 111 is aligned with the outer shell female 121, the outer shell clamping plate 112 and the outer shell clamping groove 124 are clamped with each other, and the annular clamping groove 126 and the first clamping ring 114 are clamped with each other, so that the second connecting ring 125 and the first connecting ring 115 are connected to each other for easy wearing, and the first rotating shaft column 113 and the connecting pin 122 are clamped with each other, so that the wire drum 204 rotates on the surface of the second rotating shaft column 123. After fixing, the second limiting groove 128 and the first limiting groove 116 are connected to each other so that the movable block 209 can move inside it, and the first wire groove 117 and the second wire groove 127 are connected to each other so that 206 can move inside it. At this time, 3 is inserted into 113, and 4 is threadedly connected to 3, so that the device is completely fixed, and the telescopic When the spring 203 is pulled back, the spring 203 is engaged with the stopper 2044, and the stopper 202 is engaged with the stopper 2043. When the spring 203 is pulled back, the stopper 203 is engaged with the stopper 2044, and the stopper 202 is engaged with the stopper 2043.

[0034] The above generally describes the present invention in detail. However, it is obvious to those skilled in the art that modifications or improvements may be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A controllable rebound telescopic keychain, comprising a housing (1), characterized in that: The housing (1) comprises a housing male component (11) and a housing female component (12); a telescopic fixing mechanism (2) is provided inside the housing (1); a nut (3) is threadedly connected to the surface of the housing (1); and a nut (4) is threadedly connected to the surface of the nut (3); The telescopic fixing mechanism (2) comprises a spring hook (201), the spring hook (201) being clamped on the surface of the housing (1), a spring spring (203) being fixedly connected to the surface of the spring hook (201), a wire drum (204) being fixedly mounted on one end of the spring spring (203), a telescopic wire (205) being fixedly mounted on the surface of the wire drum (204), a limiting copper sleeve (206) being movably mounted on the surface of the telescopic wire (205), the limiting copper sleeve (206) being movably mounted on the surface of the housing (1), and a connecting ring (207) being fixedly mounted on one end of the telescopic wire (205).

2. The controllable rebound telescopic keychain according to claim 1, characterized in that: The wire drum (204) includes a lower wire drum (2042), which is movably mounted inside the housing (1); a connection hole (2045) is provided on the surface of the lower wire drum (2042); a winding post (2041) is fixedly mounted on the surface of the lower wire drum (2042); a fixing groove (2043) is provided on the surface of the winding post (2041); and the fixing groove (2043) is adapted to one end of the clockwork spring (203).

3. The controllable rebound telescopic keychain according to claim 2, characterized in that: The surface of the winding column (2041) is provided with a winding hole (2046), and the winding hole (2046) is fixedly connected to one end of the telescopic line (205). The surface of the winding column (2041) is fixedly installed with an upper wire drum (2047), and the surface of the upper wire drum (2047) is provided with a limiting groove (2044), and the limiting grooves (2044) are provided in multiple groups, and the limiting grooves (2044) are evenly distributed on the surface of the upper wire drum (2047).

4. The controllable rebound telescopic keychain according to claim 1, characterized in that: The telescopic fixing mechanism (2) further comprises a movable block (209), the movable block (209) being movably mounted inside the housing (1), a pressing block (208) being fixedly mounted on the top end of the movable block (209), and a latch (202) being fixedly mounted on the bottom end of the movable block (209), the latch (202) being adapted to the limiting slot (2044).

5. The controllable rebound telescopic keychain according to claim 1, characterized in that: The outer shell male component (11) includes an outer shell male (111), the outer shell male (111) is movably mounted on the surface of the line disk (204), a outer shell clamping plate (112) is fixedly mounted on the surface of the outer shell male (111), a first rotating shaft column (113) is fixedly mounted on the surface of the outer shell male (111), the first rotating shaft column (113) is adapted to the connecting hole (2045), a first limiting groove (116) is provided on the surface of the outer shell male (111), a first wire groove (117) is provided on the surface of the outer shell male (111), a first connecting ring (115) is provided on the surface of the outer shell male (111), and a first clamping ring (114) is fixedly mounted on the surface of the first connecting ring (115).

6. The controllable rebound telescopic keychain according to claim 5, characterized in that: The shell housing assembly (12) includes a shell housing (121), the shell housing (121) is clamped on the surface of the shell housing (111), the surface of the shell housing (121) is fixedly installed with a shell slot (124), the shell slot (124) is clamped on the surface of the connecting pin (122), the surface of the shell housing (121) is fixedly installed with a second rotating shaft column (123), the surface of the second rotating shaft column (123) is fixedly installed with a connecting pin (122), and the connecting pin (122) is adapted to the first rotating shaft column (113).

7. The controllable rebound telescopic keychain according to claim 6, characterized in that: The surface of the outer shell nut (121) is provided with a second wire groove (127), the surface of the outer shell nut (121) is provided with a second limiting groove (128), the second limiting groove (128) is movably installed on the surface of the movable block (209), the surface of the outer shell nut (121) is fixedly provided with an annular groove (126), the surface of the annular groove (126) is fixedly provided with a second communicating ring (125), and the second communicating ring (125) is adapted to the first communicating ring (115).

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