Telescopic line device and mobile power supply

Abstract

The utility model provides a telescopic line device and a mobile power supply, and relates to the technical field of power banks, the telescopic line device comprises a shell, a winding roll and a positioning plate sleeved outside the winding roll are arranged in the shell, the positioning plate is provided with a plurality of clamping grooves along the circumferential direction, and a plectrum is provided with a plectrum head. The reset torsion spring comprises a sleeve part and two torsion arms extending outwards from the sleeve part, at least one torsion arm is connected with the shifting piece, the torsion arm connected with the shifting piece applies torsion force to the shifting piece, the shifting piece head is reset into a clamping groove formed in the positioning disc, the torsion spring is adopted for resetting, and the shifting piece head is clamped in the clamping groove. Compared with an existing telescopic line device adopting a reset elastic piece, the torsional spring is small in installation occupied space and large in torsional force, and if the extending length of the plectrum head extending into the clamping groove is inevitably needed to be lengthened, the torsional spring has enough elastic force to enable the plectrum head to be reset and inserted into the clamping groove of the positioning disc under the condition that the torsional spring does not occupy large space, and therefore the plectrum head can be fixed. And negative effects caused by increasing the size of the reset elastic sheet are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a charging treasure technical field, in particular to a telescopic line device and mobile power supply. BACKGROUND

[0002] In the existing charging treasure, usually adopt telescopic line device to realize the telescopic function of data charging wire, to promote the convenience of use of user and the storage performance of charging treasure. Figure 1 The telescopic line device (such as shown) mainly includes winding disc 01 and positioning disc 03, wherein winding disc 01 is sleeved on positioning column 02, positioning disc 03 is coaxially arranged with winding disc 01 and the outer periphery of positioning disc 03 is provided with a plurality of clamping grooves 04, and the telescopic line device further includes a push piece, the push piece is provided with a push piece head, when the push piece head rotates along with the push piece around a certain rotation axis until the push piece head enters the clamping groove 04 and the push piece is fixed, the push piece head can block the rotation of positioning disc 03, and then limit the rotation of winding disc 01, so as to realize the telescopic control of charging wire. If the length of the push piece head inserted into the clamping groove 04 needs to be lengthened to improve the blocking effect, the overall size of the push piece also needs to be increased synchronously, and the size of the reset spring corresponding to the push piece also needs to be increased synchronously to increase the elastic force to meet the elastic force requirement of the push piece reset, so as to cause the increase of the space occupied by the push piece and the reset spring. SUMMARY

[0003] The utility model aims at providing a telescopic line device and mobile power supply with compact structure to reduce the occupied space in the existing charging treasure.

[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model embodiment is as follows:

[0005] A telescopic line device, comprising:

[0006] A shell, the shell is provided with a winding disc and a positioning disc sleeved outside the winding disc; the positioning disc is provided with a plurality of clamping grooves along the circumference;

[0007] A push piece movably arranged on one side of the positioning disc, the push piece is provided with a push piece head matched with the clamping groove;

[0008] A reset torsional spring, comprising a sleeve portion and two torsional arms extending outward from the sleeve portion, the two torsional arms are arranged at an angle;

[0009] The shell is internally provided with a first supporting shaft, which is arranged on one side of the positioning disc, and the sleeve part is sleeved on the first supporting shaft, and at least one of the torsion arms is connected with the switch plate and applies elastic force to the switch plate, so that the head of the switch plate can be reset into the clamping groove after the head of the switch plate is moved relative to the positioning disc.

[0010] Further,

[0011] The switch plate and the sleeve part are both sleeved on the first supporting shaft, one of the torsion arms is connected with the switch plate, and the other torsion arm is fixed on the shell.

[0012] Further,

[0013] The switch plate and the shell are respectively provided with mounting parts, and the two torsion arms are connected with the two mounting parts one by one.

[0014] Further,

[0015] The shell comprises a bottom plate and a cover plate, the switch plate and the reset torsion spring are arranged on the bottom plate, the cover plate is arranged above the mounting part and forms a containing space between the bottom plate, and the reset torsion spring is arranged in the containing space.

[0016] Further,

[0017] The shell is provided with a second supporting shaft, which is arranged between the positioning disc and the first supporting shaft, the second supporting shaft, the positioning disc and the first supporting shaft are arranged in a straight line, the switch plate is sleeved on the second supporting shaft, and the sleeve part is sleeved on the first supporting shaft.

[0018] Further,

[0019] The two torsion arms are connected with the opposite sides of the switch plate one by one and abut against each other, one side of the torsion arm close to the switch plate is further provided with a limiting block, the limiting block is fixed in the shell and arranged between the torsion arm and the sleeve part, the torsion arm abuts against the limiting block, and the reset torsion spring cannot apply reset elastic force to the switch plate when the reset torsion spring swings with the switch plate.

[0020] Further,

[0021] The two sides of the switch plate are respectively provided with a stop block for abutting against the torsion arm, and the surface of the stop block abutting against the torsion arm is an arc surface.

[0022] Further,

[0023] The sleeve part comprises a helical spring part in a spiral shape and an adapter arm arranged at one end of the helical spring part, the adapter arm extending from one end of the helical spring part to the opposite end thereof, one of the torsion arms connected to the end of the adapter arm being coplanar with the torsion arm arranged at the other end of the helical spring part.

[0024] Further,

[0025] The push piece and the reset torsion spring are arranged in the angle space between the reel and the side wall of the shell.

[0026] Compared with the prior art, the embodiment of the utility model has at least the following technical effects:

[0027] The telescopic wire device of the embodiment of the utility model, comprising a shell, a reel and a positioning disc sleeved outside the reel are arranged in the shell, a push piece and a reset torsion spring are further arranged in the shell, the push piece is provided with a push piece head, the reset torsion spring comprises a sleeve part and two torsion arms extending outward from the sleeve part, the two torsion arms are arranged at an angle, the sleeve part is sleeved on a first supporting shaft, at least one of the torsion arms is connected with the push piece, the torsion arm connected with the push piece exerts a torsion force on the push piece, so that the push piece head resets into the clamping groove arranged on the positioning disc, in the embodiment, the torsion spring is used for resetting, compared with the reset spring piece used in the prior art telescopic wire device, the torsion spring occupies less space, and the torsion force is large, if the length of the push piece head inserted into the clamping groove needs to be lengthened inevitably, the torsion spring also has enough elastic force to reset the push piece head into the clamping groove of the positioning disc without occupying a large space, and the negative influence caused by increasing the size of the reset spring piece can be avoided. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is a three-dimensional schematic view of the prior art telescopic wire device;

[0029] Figure 2 It is a structural schematic view of an embodiment of the application installed in the shell with a cover plate;

[0030] Figure 3 It is a structural schematic view of an embodiment of the application installed in the shell without a cover plate;

[0031] Figure 4 It is a structural schematic view of another embodiment of the application installed in the shell;

[0032] Figure 5 It is a relative position relationship view of another embodiment of the application provided with an adapter arm and the reel.

[0033] EXPLANATION OF REFERENCE NUMBERS:

[0034] 10, push piece; 11, push piece head; 12, stop block;

[0035] 20, reset torsion spring; 21, sleeve portion; 210, spiral spring portion; 211, adapter arm; 22, torsion arm;

[0036] 30, first support shaft;

[0037] 40, housing; 41, mounting portion; 42, side wall; 43, bottom plate; 44, limiting block;

[0038] 50, cover plate;

[0039] 60, winding reel;

[0040] 70, positioning column;

[0041] 80, positioning disc; 81, clamping groove;

[0042] 90, second support shaft. DETAILED DESCRIPTION

[0043] The technical scheme of the present application will be further described in detail below in combination with the accompanying drawings and specific embodiments. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application. In the following description, the expression "some embodiments" describes a subset of all possible embodiments, but it should be understood that "some embodiments" can be the same subset or different subsets of all possible embodiments and can be combined with each other without conflict.

[0044] It should be further noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element. The terms "vertical", "horizontal", "inner", "outer", "left", "right", and similar expressions used herein are for the purpose of description only and are not intended to be the only implementation.

[0045] As Figures 2-3As shown in the utility model, in an embodiment of the utility model, the telescopic wire device, including casing 40, be equipped with reel 60 and the positioning disc 80 of setting in reel 60 outside in casing 40, positioning disc 80 follows reel 60 rotation, still be provided with the tab 10 and reset torsional spring 20 in casing 40, the tab 10 is provided with tab head 11, reset torsional spring 20 includes sleeve portion 21 and two torsional arms 22 that extend outward from sleeve portion 21, two the torsional arm 22 is arranged at the angle, still be equipped with first support shaft 30 in casing 40, first support shaft 30 is equipped in one side of positioning disc 80, sleeve portion 21 is set in first support shaft 30, one of the torsional arm 22 is connected with the tab 10, and the connection can be abutment (such as surface contact limit) or fixed combination (such as welding, buckle), to realize the synergistic effect between structures, another the torsional arm 22 is fixed on the casing 40, and the torsional arm 22 connected with the tab 10 exerts elastic force on the tab 10, so that the tab head 11 resets into the clamping groove 81 provided in the positioning disc 80, no matter the tab 10 rotates left or right swing, the torsional arm 22 connected with the tab 10 can exert torsional force on the tab 10, to make the tab head 11 reset and insert into the clamping groove 81 of the positioning disc 80, in the embodiment, torsional spring reset is used, compared with the reset spring piece used in the existing telescopic wire device, the torsional spring occupies less space, and the torsional force is large, if the length of the tab head 11 extending into the clamping groove 81 needs to be lengthened, the reset torsional spring 20 can also have enough elastic force to make the tab head 11 reset and insert into the clamping groove 81 of the positioning disc 80 without occupying a large space, which can avoid the negative effects caused by increasing the size of the reset spring piece.

[0046] As Figures 2-3 shown, in an embodiment of the utility model, the tab 10 and the sleeve portion 21 are both set on the first support shaft 30, one of the torsional arm 22 is connected with the tab 10, and the other torsional arm 22 is fixed on the casing 40, and the tab 10 and the sleeve portion 21 are set on the same first support shaft 30, which can effectively save the installation and fixing space of the torsional spring.

[0047] As Figures 2-3 shown, in an embodiment of the utility model, the tab 10 and the reset torsional spring 20 are both arranged in a casing 40, and the tab 10 and the casing 40 are respectively provided with mounting portions 41, and the two torsional arms 22 are connected with the two mounting portions 41 one by one, which can effectively fix and install the torsional arm 22. In the embodiment, the mounting portion 41 is provided in the form of a mounting groove for the torsional arm 22 to be clamped in, and in other embodiments, other ways can be used to fix the end of the torsional arm 22, such as mounting holes and the like.

[0048] As Figures 4-5As shown in the embodiment of the utility model, two torsion arms 22 correspond to and abut against opposite sides of the push piece 10, one side of the torsion arm 22 close to the push piece is further provided with a limiting block 44, the limiting block 44 is fixed in the shell 40 and arranged between the torsion arm 22 and the sleeve part 21, the torsion arm 22 abuts against the limiting block 44, for preventing the reset torsion spring 20 from being unable to exert reset elastic force on the push piece 10 due to swinging with the push piece 10, when one of the torsion arms 22 moves with the push piece 10, the other torsion arm 22 always abuts against the limiting block 44, so that the moving torsion arm 22 immediately has elastic restoring force, avoiding that the torsion arm 22 and the limiting block 44 do not have elastic restoring force during the process from loosening to abutting, in the embodiment, the push piece 10 is provided with the torsion arm 22 on both sides for elastic force reset, so that the elastic force can reset the push piece 10. In the two embodiments of the utility model, one of the embodiments has only one torsion arm connected with the push piece, and the other embodiment has two torsion arms connected with the push piece, however, this is only for explanation and does not limit the number of the torsion arms 22 connected with the push piece 10, in other embodiments, only the torsion arm 22 connected with the push piece 10 can exert elastic force on the push piece 10, so that the push piece head 11 can be reset into the clamping groove 81 provided in the positioning disc 80.

[0049] As Figures 4-5 As shown in the embodiment of the utility model, the shell 40 is provided with a second support shaft 90, the second support shaft 90 is arranged between the positioning disc 80 and the first support shaft 30, the second support shaft 90, the positioning disc 80 and the first support shaft 30 form a straight line side by side, the push piece 10 is sleeved on the second support shaft 90, the sleeve part 21 is sleeved on the first support shaft 30, the second support shaft 90, the positioning disc 80 and the first support shaft 30 are located on the same straight line, so that the forces on both sides of the push piece 10 are consistent, each of the two sides of the push piece 10 is provided with a stop block 12 for abutting against the torsion arm 22, the stop block 12 facilitates the abutment of the push piece 10 and the torsion spring, the surface of the stop block 12 abutting against the torsion arm 22 is an arc surface, so that the torsion arm of the torsion spring does not hinder the smooth swinging of the push piece 10.

[0050] As Figures 4-5As shown in the embodiment of the utility model, the sleeve part 21 includes a spiral spring part 210 and an adapter arm 211, one end of the spiral spring part 210 is connected with the torsion arm 22, the other end of the spiral spring part 210 is connected with one end of the adapter arm 211, the other end of the adapter arm 211 extends along the axial direction of the first support shaft 30 and is connected with the other torsion arm 22, so that the two torsion arms 22 are located on the same plane, the height is reduced by arranging the adapter arm 211, and the two torsion arms 22 are stably abutted with the switch piece 10 on the same plane.

[0051] As Figures 2-5 As shown in the embodiment of the utility model, the sleeve part 21 includes a spiral spring part 210 and an adapter arm 211, one end of the spiral spring part 210 is connected with the torsion arm 22, the other end of the spiral spring part 210 is connected with one end of the adapter arm 211, the other end of the adapter arm 211 extends along the axial direction of the first support shaft 30 and is connected with the other torsion arm 22, so that the two torsion arms 22 are located on the same plane, the height is reduced by arranging the adapter arm 211, and the two torsion arms 22 are stably abutted with the switch piece 10 on the same plane.

[0052] As Figures 2-5 As shown in the embodiment of the utility model, the switch piece 10 and the reset torsion spring 20 are arranged in a shell 40, the shell 40 includes a bottom plate 43 for arranging the switch piece 10 and the reset torsion spring 20 and a cover plate 50 arranged above the bottom plate, the cover plate 50 is connected with the bottom plate 43, and the reset torsion spring 20 is limited in the accommodating space formed between the cover plate 50 and the bottom plate.

[0053] As Figures 2-5 As shown in the embodiment of the utility model, the switch piece 10 and the reset torsion spring 20 are arranged in a shell 40, the shell 40 includes a bottom plate 43 for arranging the switch piece 10 and the reset torsion spring 20 and a cover plate 50 arranged above the bottom plate, the cover plate 50 is connected with the bottom plate 43, and the reset torsion spring 20 is limited in the accommodating space formed between the cover plate 50 and the bottom plate.

[0054] The above merely illustrates the specific implementation manners of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. The protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A telescopic cable device, characterized in that, include: The housing (40) has a rotatable winding reel (60) and a positioning plate (80) fixed to one end of the winding reel (60). The positioning plate (80) has multiple snap-fit ​​grooves (81) along the circumferential direction. A paddle (10) is movably disposed on one side of the positioning disk (80), and the paddle (10) has a paddle head (11) that cooperates with the snap-fit ​​groove (81). The reset torsion spring (20) includes a sleeve portion (21) and two torsion arms (22) extending outward from the sleeve portion (21), the two torsion arms (22) being arranged at an included angle; The housing (40) is also provided with a first support shaft (30), which is located on one side of the positioning disk (80). The sleeve (21) is sleeved on the first support shaft (30). At least one of the torsion arms (22) is connected to the paddle (10) and applies a spring force to the paddle (10), so that the paddle head (11) can be reset into the snap-fit ​​groove (81) after moving relative to the positioning disk (80).

2. The telescopic line device according to claim 1, characterized in that, The paddle (10) and the sleeve (21) are both sleeved on the first support shaft (30), one of the torsion arms (22) is connected to the paddle (10), and the other torsion arm (22) is fixed on the housing (40).

3. The telescopic line device according to claim 1 or 2, characterized in that, Mounting parts (41) are respectively provided on the paddle (10) and the housing (40), and the two torsion arms (22) are connected to the two mounting parts (41) in a one-to-one correspondence.

4. The telescopic line device according to claim 3, characterized in that, The housing (40) includes a base plate (43) and a cover plate (50). The paddle (10) and the reset torsion spring (20) are mounted on the base plate. The cover plate (50) covers the mounting part (41) and forms a receiving space between it and the base plate (43). The reset torsion spring (20) is disposed in the receiving space.

5. The telescopic line device according to claim 1, characterized in that, The housing (40) is provided with a second support shaft (90), the second support shaft (90), the positioning disk (80) and the first support shaft (30) are arranged in sequence along a straight line, the paddle (10) is sleeved on the second support shaft (90), and the sleeve part (21) is sleeved on the first support shaft (30).

6. The telescopic line device according to claim 5, characterized in that, The two torsion arms (22) correspond to and abut against the opposite sides of the lever (10). A limiting block (44) is provided on the side of the torsion arm (22) near the lever (10). The limiting block (44) is fixed inside the housing (40) and is disposed between the torsion arm (22) and the sleeve (21). The torsion arm (22) abuts against the limiting block (44).

7. The telescopic line device according to claim 5, characterized in that, A stop block (12) is provided on each side of the paddle (10). The stop block (12) abuts against the torsion arm (22), and the surface of the stop block (12) abutting against the torsion arm (22) is an arc-shaped surface.

8. The telescopic line device according to any one of claims 5-7, characterized in that, The sleeve part (21) includes a helical spring part (210) and an adapter arm (211). One end of the helical spring part (210) is connected to one of the torsion arms (22), and the other end of the helical spring part (210) is connected to one end of the adapter arm (211). The other end of the adapter arm (211) extends along the axial direction of the first support shaft (30) and is connected to another torsion arm (22), so that the two torsion arms (22) are located on the same plane.

9. The telescopic line device according to claim 1, characterized in that, The winding reel (60) is disposed on the bottom plate (43) of the housing (40), and the paddle (10) and the reset torsion spring (20) are disposed in the included space between the winding reel (60) and the two side walls (42) of the housing (40).

10. A portable power bank, characterized in that, Includes the telescopic cable device as described in any one of claims 1 to 9.

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