CN217808077U - Wire drawing disc - Google Patents

Abstract

The utility model relates to a wire drawing disc, which comprises a shell, a wire winding disc and a positioning mechanism, wherein the shell is provided with two wire through holes which are internally and externally penetrated; the wire spool is arranged in the shell, can rotate around the axial direction of the wire spool, is wound with a cable, and two ends of the cable respectively penetrate through the two threading holes to extend out of the shell; a positioning mechanism is mounted in the housing for positioning or releasing the spool. The beneficial effects of the utility model are that simple structure, reasonable in design can realize the shrink of cable, saves space, and it is very convenient to use.

Description

Wire drawing disc

Technical Field

The utility model relates to a drum technical field, concretely relates to take out line dish.

Background

The power line disc is a common line connecting device, a power line or a data line is wound in the power line disc, and the power line or the data line is pulled out when the power line disc is used. At present, a drawing wire disc in the prior art cannot be positioned and is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a take-out reel is provided, aim at solving the problem among the prior art.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

a wire drawing disc comprises a shell, a wire winding disc and a positioning mechanism, wherein two wire drawing holes which penetrate through the shell inside and outside are formed in the shell; the wire spool is arranged in the shell, can rotate around the axial direction of the wire spool, is wound with a cable, and two ends of the cable respectively penetrate through the two wire through holes to extend out of the shell; the positioning mechanism is arranged in the shell and used for positioning or loosening the wire spool.

The utility model has the advantages that: during the use, the user can manually stimulate the cable for the wire reel rotates, releases the cable on the wire reel simultaneously, and fixes a position the wire reel through positioning mechanism, and it is very convenient to use.

It should be noted that, when the cable needs to be retracted, the cable can be manually pushed to wind back on the wire spool.

In addition, two ends of the cable are fixedly connected with plugs respectively, one plug can be connected with a power supply, and the other plug can be connected with an electronic product such as a mobile phone so as to charge.

The utility model discloses simple structure, reasonable in design can realize the shrink of cable, saves space, and it is very convenient to use.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, the positioning mechanism comprises a clamping block, a shifting piece and a spring, and the clamping block is fixedly arranged on the surface of one side of the wire spool; the spring mounting is in the shell is close to on the inner wall of one side of wire reel one side, plectrum pivoted install the shell is close to on the inner wall of one side of wire reel one side, and with the spring butt, and it can rotate to with along with the wire reel pivoted fixture block butt or separation.

When the further scheme is adopted, the wire winding disc has the beneficial effects that when the wire winding disc is used, the shifting piece is abutted to the clamping block after the wire winding disc rotates to the set position, so that the rapid positioning of the wire winding disc is realized, and at the moment, the spring is in a compressed state; when the wire spool continues to rotate until the clamping block is separated from the shifting piece, the shifting piece returns to the initial position under the elastic force action of the spring, so that the wire spool is positioned next time, and the positioning is convenient.

Further, the spring is a U-shaped spring, and one side of the spring is inwards protruded to form a lug; the plectrum is located open end department of U-shaped spring is equipped with two archs on it, one of them protruding with the lug butt, another protruding respectively with the both sides butt of U-shaped spring open end, and another protruding can with fixture block butt or separation.

The beneficial effects of adopting above-mentioned further scheme are that simple structure, reasonable in design utilizes the reciprocating rotation of the special construction realization plectrum of spring and plectrum to realize the location many times of wire reel, it is very convenient to use.

Further, the lug and/or the two bulges are/is in a pointed cone-shaped structure.

The beneficial effects of adopting above-mentioned further scheme are that simple structure, reasonable in design both can realize the quick location of wire reel, can release the wire reel again, guarantee the normal rotation of wire reel to release the cable.

Furthermore, a U-shaped frame is fixedly arranged on the inner wall of one side of the shell, a plurality of limiting columns are also fixedly arranged on the inner wall of one side of the shell at intervals, and the limiting columns are positioned in the U-shaped frame and are uniformly distributed at intervals along the direction from one side of the closed end of the U-shaped frame to the other side of the closed end of the U-shaped frame; the closed end of the U-shaped spring is positioned between the closed end of the U-shaped frame and the plurality of limiting columns, and the open end of the U-shaped spring penetrates through the open end of the U-shaped frame and extends out of the U-shaped frame.

The beneficial effects of adopting above-mentioned further scheme are simple structure, reasonable in design carries on spacingly to the spring through U-shaped frame and a plurality of spacing post, realizes the demountable installation of spring, easy dismounting, labour saving and time saving, and can realize the reuse of spring.

Furthermore, a return mechanism is rotatably installed in the shell and is in transmission connection with the wire spool.

The beneficial effect who adopts above-mentioned further scheme is when using, but the user manual pulling cable for the wire reel rotates, releases the cable on the wire reel simultaneously, and fixes a position the wire reel through positioning mechanism, and accessible return mechanism carries out self return, and it is more simple and convenient to operate, labour saving and time saving.

Furthermore, the return mechanism comprises a clockwork spring and a protection box, a fixed shaft is fixedly arranged at the center of the inner wall of one side of the shell, the protection box is rotatably sleeved outside the fixed shaft and is fixedly connected with the center of the wire spool; the clockwork spring is arranged in the protection box, one end of the clockwork spring is fixedly connected with the fixed shaft, and the other end of the clockwork spring is fixedly connected with the protection box.

When the winding mechanism is used, a user can manually pull the wire coil to enable the wire coil to rotate, simultaneously release the cable on the wire coil and position the wire coil through the positioning mechanism, and at the moment, the clockwork spring is in a compressed state; after the use is accomplished, loosen the cable, the wire reel antiport under the effect of clockwork spring force for the cable is convoluteed on the wire reel, and the operation is more simple and convenient, labour saving and time saving.

Further, a winding frame is fixedly installed on the surface of one side of the winding disc, and the cable is wound on the winding frame.

The beneficial effects of adopting above-mentioned further scheme are simple structure, reasonable in design, conveniently accomodate the cable.

Furthermore, an auxiliary disc is arranged on the other side of the wire spool, and a through hole is oppositely formed in the centers of the auxiliary disc and the wire spool; the cable passes through the two through holes, part of the cable is wound on the winding frame, and the other part of the cable is coiled between the auxiliary disc and the inner wall of the other side of the shell.

The beneficial effects of adopting above-mentioned further scheme are that simple structure, reasonable in design fixes the one end that cable and power are connected through the cooperation of auxiliary disc and shell, avoids the cable to pull the power.

Further, the housing comprises a main body and a cover, wherein the main body is in a hollow disc-shaped structure, one side of the main body is open, and the cover is detachably covered on the one side opening of the main body; the two threading holes are distributed on the outer peripheral side of the main body in an opposite mode, and the wire spool and the positioning mechanism are installed in the main body respectively.

The beneficial effects of adopting above-mentioned further scheme are that simple structure, reasonable in design, easy dismounting avoids destroying the shell, guarantees the integrality of shell.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a second schematic view of the overall structure of the present invention;

FIG. 3 is a partial schematic structural view of the present invention;

FIG. 4 is an enlarged view of A in FIG. 3;

fig. 5 is one of exploded views of the present invention;

fig. 6 is a second exploded view of the present invention;

fig. 7 is one of the schematic structural diagrams of the wire spool, the auxiliary plate and the cable installation of the present invention;

fig. 8 is a second schematic structural view of the cable reel, the auxiliary reel and the cable installation according to the present invention;

fig. 9 is a third schematic structural view of the installation of the wire spool, the auxiliary plate and the cable according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a wire spool; 2. a threading hole; 3. a cable; 4. a clamping block; 5. a shifting sheet; 6. a spring; 7. a bump; 8. a protrusion; 9. a U-shaped frame; 10. a limiting column; 11. a clockwork spring; 12. a fixed shaft; 13. a bobbin; 14. an auxiliary disc; 15. a through hole; 16. a main body; 17. a cover; 18. a plug; 19. a box body; 20. a box cover; 21. a winding block; 22. and (7) fixing the plate.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example 1

As shown in fig. 1 to 9, the present embodiment provides a wire drawing disc, which includes a housing, a wire winding disc 1 and a positioning mechanism, wherein the housing is provided with two wire drawing holes 2 penetrating through the housing; the wire spool 1 is arranged in the shell, can rotate around the self axial direction, is wound with a wire cable 3, and two ends of the wire cable 3 respectively penetrate through the two wire through holes 2 and extend out of the shell; a positioning mechanism is installed in the housing for positioning or releasing the wire spool 1.

During the use, the user can manually stimulate cable 3 for wire reel 1 rotates, releases cable 3 on the wire reel 1 simultaneously, and fixes a position wire reel 1 through positioning mechanism, and it is very convenient to use.

It should be noted that when the cable 3 needs to be retracted, the cable 3 can be manually pushed to wind around the wire spool 1.

In addition, plugs 18 are fixedly connected to both ends of the cable 3, wherein one plug 18 can be connected to a power supply, and the other plug 18 can be connected to an electronic product such as a mobile phone for charging.

Moreover, the cord reel provided in this embodiment is not limited to charging electronic products, and may also be used for data transmission, such as RJ45 cables, HDMI cables, and 3.5 audio cables. Different functions are realized according to different cables.

Preferably, in this embodiment, the two plugs 18 may be both USB plugs, or one of the plugs 18 may be a two-hole plug and used for connecting a power supply, and the other plug is a USB plug and used for connecting an electronic device.

Preferably, in the present embodiment, the wire spool 1 is preferably a disc-shaped structure.

Preferably, in this embodiment, the housing preferably has a hollow disc-shaped structure or a rectangular plate-shaped structure, and a circular cavity is formed inside the housing.

In addition, a fixing plate 22 for fixing the housing to a carrier such as a table is fixedly connected to the housing, and the fixing plate 22 may be a hollow plate or a solid plate, preferably the former, so as to reduce the weight.

This embodiment simple structure, reasonable in design can realize the shrink of cable 3, saves space, and it is very convenient to use.

At present, a drawing tray in the prior art is mainly formed by connecting two cables and used for transmitting electric power or simply processing signals. The wire coil structure provided by the embodiment realizes transmission by a complete cable, and solves the problem of unstable data transmission caused by the fact that complex signals cannot be spliced, particularly high-definition audio and video signals.

Example 2

On the basis of the embodiment 3, in this embodiment, the positioning mechanism includes a fixture block 4, a shifting piece 5 and a spring 6, and the fixture block 4 is fixedly installed on the surface of one side of the wire spool 1; the spring 6 is installed on the inner wall of one side of the shell close to the wire spool 1, and the plectrum 5 is rotationally installed on the inner wall of one side of the shell close to the wire spool 1 and is abutted against the spring 6, and the plectrum can rotate to abut against or separate from the clamping block 4 rotating along with the wire spool 1.

When the rapid positioning device is used, after the wire spool 1 rotates to a set position, the shifting piece 5 is abutted to the clamping block 4, rapid positioning of the wire spool 1 is achieved, and the spring 6 is in a compressed state at the moment; when the wire spool 1 continues to rotate until the clamping block 4 is separated from the shifting piece 5, the shifting piece 5 returns to the initial position under the action of the elastic force of the spring 6, so that the wire spool 1 is positioned next time, and the positioning is convenient.

Preferably, in this embodiment, one end of the pulling piece 5 is rotatably connected to the inner wall of the housing through a rotating shaft, and can abut against the spring 6, and the other end thereof can abut against or separate from the latch 4.

Preferably, in this embodiment, the fixture block 4 preferably has a block structure, and may be a solid block or a hollow block, so as to reduce weight.

Example 3

On the basis of embodiment 2, in this embodiment, the spring 6 is a U-shaped spring, and one side of the U-shaped spring is protruded inwards to form a bump 7; the plectrum 5 is located the open end department of U-shaped spring, and is equipped with two archs 8 on it, and one of them arch 8 and lug 7 butt, and another arch 8 can be respectively with the both sides butt of U-shaped spring open end, and another arch 8 can be with fixture block 4 butt or separation.

This scheme simple structure, reasonable in design utilizes the reciprocating rotation of spring 6 and plectrum 5's special construction to realize the multitime location of wire reel 1, it is very convenient to use.

Besides the above embodiments, the spring 6 may also be an arc spring, and two ends of the arc spring are respectively and fixedly connected to the fixed block fixedly connected to the inner wall of one side of the housing and the other end of the shifting piece 5. When the cable pulling device is used, when a user manually pulls the cable 3, the wire spool 1 rotates and drives the clamping block 4 to stir the shifting piece 5 to rotate, and at the moment, the spring 6 is in a compressed state; after the cable 3 is released by the latch 4, the pick 5 returns to the initial position under the elastic force of the spring 6.

It should be noted that, a user manually pulls the cable 3 to rotate the wire spool 1 until the upper fixture block 4 abuts against the shifting piece 5, and at this time, the spring 6 is in a compressed state; when the wire spool 1 continues to rotate, the clamping block 4 is separated from the poking piece 5, and the poking piece 5 returns to the initial position under the action of the elastic force of the spring 6; the wire spool 1 is continuously rotated until the clamping block 4 is continuously abutted with the shifting piece 5. Therefore, the latch 4 will contact the pick 5 once when the wire spool 1 rotates once.

Example 4

In the present embodiment, on the basis of embodiment 3, the bump 7 and/or the two protrusions 8 are in a tapered structure.

This scheme simple structure, reasonable in design both can realize wire reel 1's quick location, can release wire reel 1 again, guarantees wire reel 1's normal rotation to release cable 3.

Example 5

On the basis of any one of embodiments 3 to 4, in this embodiment, a U-shaped frame 9 is fixedly installed on an inner wall of one side of the housing, a plurality of limiting posts 10 are further fixedly installed on the inner wall of one side of the housing at intervals, the plurality of limiting posts 10 are located in the U-shaped frame 9, and are uniformly distributed at intervals along a direction from one side of a closed end of the U-shaped frame 9 to the other side; the closed end of the U-shaped spring is located between the closed end of the U-shaped frame 9 and the plurality of restraining posts 10, and the open end of the U-shaped spring extends out of the U-shaped frame 9 through the open end of the U-shaped frame 9.

This scheme simple structure, reasonable in design carries on spacingly to spring 6 through U-shaped frame 9 and a plurality of spacing post 10, realizes spring 6's demountable installation, easy dismounting, labour saving and time saving, and can realize spring 6's reuse.

Preferably, in this embodiment, the number of the limiting columns 10 is preferably two, and the two limiting columns 10 are respectively located on two sides of the closed end of the U-shaped frame 9, so as to limit two sides of the closed end of the spring 6, and increase the stability of the installation of the spring 6.

In addition to the above embodiments, the U-shaped spring may also be fixed on the inner wall of one side of the housing in other manners, for example, two mounting plates are relatively arranged on the inner wall of one side in the housing, the U-shaped spring is located between the two mounting plates, two sides of the U-shaped spring are respectively and fixedly connected with the two mounting plates through two bolts, and at this time, springs are respectively arranged on two sides of the two mounting plates and the U-shaped spring.

Example 6

On the basis of the above embodiments, in this embodiment, a return mechanism is rotatably installed in the housing, and the return mechanism is in transmission connection with the wire spool 1.

During the use, the user can manually stimulate cable 3 for wire reel 1 rotates, releases cable 3 on the wire reel 1 simultaneously, and fixes a position wire reel 1 through positioning mechanism, and accessible return mechanism carries out self return, and it is more simple and convenient to operate, labour saving and time saving.

Example 7

On the basis of embodiment 6, in this embodiment, the return mechanism includes a spring 11 and a protection box, a fixed shaft 12 is fixedly installed at the center of the inner wall of one side of the housing, and the protection box is rotatably sleeved outside the fixed shaft and is fixedly connected with the center of the wire spool 1; the clockwork spring 11 is arranged in the protective box, one end of the clockwork spring is fixedly connected with the fixed shaft 12, and the other end of the clockwork spring is fixedly connected with the protective box.

When the winding device is used, a user can manually pull the cable 3 to enable the wire spool 1 to rotate, simultaneously release the cable 3 on the wire spool 1, and position the wire spool 1 through the positioning mechanism, wherein the clockwork spring 11 is in a compressed state; after the use is accomplished, loosen cable 3, wire reel 1 counter-rotation under the effect of clockwork spring 11 elasticity for the cable 3 rewinds on wire reel 1, and the operation is more simple and convenient, labour saving and time saving.

Preferably, in this embodiment, the spring 11 is in an elongated shape and is wound to form a disk-shaped structure.

Note that, since the balance spring 11 is wound in a disk-like structure, the stationary shaft 12 can pass through the center of the balance spring 11, that is, the balance spring 11 is distributed around the stationary shaft 12.

Example 8

On the basis of the above embodiments, in the present embodiment, the bobbin 13 is fixedly mounted on one side surface of the wire spool 1, and the cable 3 is wound on the bobbin 13.

This scheme simple structure, reasonable in design conveniently accomodates cable 3.

Preferably, in this embodiment, the bobbin 13 includes a winding ring and a plurality of limiting plates, the winding ring is coaxially and fixedly mounted on the spool 1, the plurality of limiting plates are uniformly distributed at intervals along the circumferential direction of the winding ring and respectively extend along the radial direction of the winding ring, and a space for accommodating the cable 3 is left between the limiting plates and the spool 1.

In addition to the above embodiments, the cable 3 may be directly wound on one side surface of the wire spool 1, but this solution causes the cable 3 to easily fall out due to the cable 3 being tightly restrained by the wire spool 1 and the inner wall of one side of the housing, resulting in disorder of the cable 3 and affecting the release of the cable 3.

It should be noted that the "spiral" means that the cable 3 is distributed on one side surface of the wire spool 1 in a circular shape.

Example 9

On the basis of the embodiment 8, in the embodiment, the auxiliary disc 14 is installed on the other side of the wire spool 1, and the through hole 15 is oppositely arranged at the centers of the auxiliary disc 14 and the wire spool 1; the cable 3 passes through two through holes 15, a part of which is wound around the bobbin 13 and another part of which is wound between the auxiliary disc 14 and the inner wall of the other side of the housing.

This scheme simple structure, reasonable in design fixes the one end that cable 3 and power are connected through the cooperation of auxiliary disc 14 and shell, avoids cable 3 to drag the power.

Preferably, in this embodiment, the auxiliary plate 14 is provided with a plurality of winding blocks 21 at regular intervals corresponding to the edge of the through hole 15, and another part of the cable 3 is wound on the plurality of winding blocks 21.

In addition, a plurality of wire winding pieces 21 are arc-shaped pieces matched with the corresponding through holes 15 in shape, so that the cables 3 can be conveniently wound, and the space can be saved.

In addition to the above-described embodiments, another part of the cable 3 may also be directly wound between the auxiliary disc 14 and the inner wall of the other side of the housing.

Preferably, in this embodiment, the protective case includes a case body 19 and a case cover 20, the case body 19 is in a ring structure and is fixedly installed at the through hole 15 at the center of the wire spool 1, and the fixing shaft 12 is inserted through the center of the case body 19; in addition, a groove is arranged on one side of the inner wall of the box body 19 close to the shell, the clockwork spring 11 is arranged in the groove, one end of the clockwork spring is fixedly connected with the box body 19, and the other end of the clockwork spring is fixedly connected with the fixed shaft 12. When in use, the wire spool 1 rotates and drives the box body 19 to rotate, and the box body 19 drives the clockwork spring 11 to wind tightly; after the cable 3 is unwound, the spool 1 returns to the initial position by the spring force of the spring 11.

Example 10

On the basis of the above embodiments, in this embodiment, the housing includes a main body 16 and a cover 17, the main body 16 is a hollow disc-shaped structure, one side of which is open, and the cover 17 is detachably covered on the one side open of the main body 16 through screws; two threading holes 2 are oppositely distributed on the outer peripheral side of the main body 16, and the wire spool 1 and the positioning mechanism are respectively installed in the main body 16.

This scheme simple structure, reasonable in design, easy dismounting avoids destroying the shell, guarantees the integrality of shell.

Preferably, in this embodiment, the fixing plate 22 is fixed to the main body 16.

The working principle of the utility model is as follows:

when the wire winding disc is used, a user manually pulls the movable end of the cable 3 to enable the wire winding disc 1 to rotate until the clamping block 4 is abutted against the shifting piece 5, and at the moment, the spring 6 is in a compressed state; when the wire spool 1 continues to rotate, the clamping block 4 is separated from the poking piece 5, and the poking piece 5 returns to the initial position under the action of the elastic force of the spring 6; the wire spool 1 is continuously rotated until the clamping block 4 is continuously abutted with the shifting piece 5. Therefore, the clamping block 4 can be abutted against the shifting piece 5 once the wire spool 1 rotates for one circle; in this process, spring 11 is in a wound state;

after the use, the user loosens the cable 3, and the wire reel 1 returns to the initial position under the elastic action of the clockwork spring 11, so that the cable 3 is stored, the space is saved, and the appearance is neat and attractive.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. A wire drawing disc is characterized in that: the wire winding device comprises a shell, a wire winding disc (1) and a positioning mechanism, wherein two wire threading holes (2) which penetrate through the shell inside and outside are formed in the shell; the wire spool (1) is arranged in the shell, can rotate around the axial direction of the wire spool, is wound with a cable (3), and two ends of the cable (3) respectively penetrate through the two wire threading holes (2) and extend out of the shell; the positioning mechanism is arranged in the shell and is used for positioning or loosening the wire spool (1).

2. The wire drawing disk of claim 1, wherein: the positioning mechanism comprises a clamping block (4), a shifting piece (5) and a spring (6), and the clamping block (4) is fixedly arranged on the surface of one side of the wire spool (1); the spring (6) is installed on the inner wall of one side, close to one side of the wire spool (1), of the shell, the shifting piece (5) is installed in a rotating mode, close to the inner wall of one side of the wire spool (1), of the shell, and is abutted to the spring (6), and the shifting piece can rotate to abut to or separate from the clamping block (4) rotating along with the wire spool (1).

3. The wire drawing disk of claim 2, wherein: the spring (6) is a U-shaped spring, and one side of the spring protrudes inwards to form a bump (7); plectrum (5) are located open end department of U-shaped spring, and are equipped with two archs (8) on it, one of them protruding (8) with lug (7) butt, another protruding (8) can respectively with the both sides butt of U-shaped spring open end, and another protruding (8) can with fixture block (4) butt or separation.

4. The wire drawing spool according to claim 3, wherein: the lug (7) and/or the two bulges (8) are/is in a taper structure.

5. The wire drawing spool according to claim 3, wherein: the inner wall of one side of the shell is fixedly provided with a U-shaped frame (9), the inner wall of one side of the shell is also fixedly provided with a plurality of limiting columns (10) at intervals, the limiting columns (10) are positioned in the U-shaped frame (9), and the limiting columns are uniformly distributed at intervals along the direction from one side of the closed end of the U-shaped frame (9) to the other side; the closed end of the U-shaped spring is positioned between the closed end of the U-shaped frame (9) and the limiting columns (10), and the open end of the U-shaped spring penetrates through the open end of the U-shaped frame (9) and extends out of the U-shaped frame (9).

6. The drawing disk according to any one of claims 1 to 5, wherein: a return mechanism is rotatably installed in the shell and is in transmission connection with the wire spool (1).

7. The wire drawing disk of claim 6, wherein: the return mechanism comprises a clockwork spring (11) and a protection box, a fixed shaft (12) is fixedly mounted at the center of the inner wall of one side of the shell, the protection box is rotatably sleeved outside the fixed shaft (12) and is fixedly connected with the center of the wire spool (1); the clockwork spring (11) is installed in the protection box, one end of the clockwork spring is fixedly connected with the fixed shaft (12), and the other end of the clockwork spring is fixedly connected with the protection box.

8. The drawing disk according to any one of claims 1 to 5, wherein: a winding frame (13) is fixedly installed on the surface of one side of the wire spool (1), and the cable (3) is wound on the winding frame (13).

9. The wire drawing tray of claim 8, wherein: an auxiliary disc (14) is arranged on the other side of the wire spool (1), and a through hole (15) is formed in the centers of the auxiliary disc (14) and the wire spool (1) oppositely; the cable (3) passes through the two through holes (15), one part of the cable is wound on the winding frame (13), and the other part of the cable is coiled between the auxiliary disc (14) and the inner wall of the other side of the shell.

10. The drawing disk according to any one of claims 1 to 5, wherein: the shell comprises a main body (16) and a cover (17), wherein the main body (16) is in a hollow disc-shaped structure, one side of the main body is open, and the cover (17) is detachably covered on the one side opening of the main body (16); the two threading holes (2) are distributed on the outer peripheral side of the main body (16) oppositely, and the wire spool (1) and the positioning mechanism are installed in the main body (16) respectively.

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