CN115783908A

CN115783908A - Telescopic connecting line

Info

Publication number: CN115783908A
Application number: CN202211453118.0A
Authority: CN
Inventors: 李建华
Original assignee: Kangte Information Electronics Shenzhen Co ltd
Current assignee: Kangte Information Electronics Shenzhen Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-03-14

Abstract

The invention provides a telescopic connecting wire. The winding roll is rotatably installed in the middle of the lower box body and the middle of the upper box body, a spline shaft is arranged at one axial end of the winding roll, a connecting line penetrates through a second penetrating opening of the winding roll and is wound on the winding roll, and the connecting line penetrates through a first penetrating hole and extends out. Controlling means installs the middle part at last box body, controlling means's sleeve sliding connection is in the periphery of integral key shaft, the top of integral key shaft is passed through the bearing and is connected with the briquetting rotation, first spring housing is established in the outside of integral key shaft, and the restriction is between sleeve and wind-up roll, castellated plate fixed mounting is in telescopic bottom, the flute profile groove has been seted up to the upper surface of going up the box body, first spring can extrude castellated plate and flute profile groove formation joint cooperation, and then the flexible length of restriction connecting wire, will cancel the fixed to the wind-up roll position through pressing down the briquetting, connecting wire through the pulling both ends, drive the wind-up roll rotation, realize taking out of connecting wire, and convenient for operation.

Description

Telescopic connecting line

Technical Field

The invention relates to the field of connecting wires, in particular to a telescopic connecting wire.

Background

People all can use the cable to transmit electricity or carry signals when carrying out daily electrical apparatus and using, for example be equipped with different workstations when the installation of office space, be equipped with electrical apparatus such as many computers on the workstation, when people need install the cable to electrical apparatus, the position of table position is different, so the length of wiring can be different, but the length of cable most all is the length of certain specification, consequently need the customization, select certain specification or cut corresponding cable temporarily. Some telescopic connecting wires are also available in the market at present, but the contraction control of the connecting wires is difficult.

Therefore, it is necessary to provide a retractable connecting wire to solve the above technical problems.

Disclosure of Invention

In order to solve the above technical problems, the shrinkage control of the connecting wire is difficult.

The invention provides a retractable connecting wire, which comprises:

the upper box body is fixedly arranged at the top of the lower box body, and a first through hole for threading is formed in the middle between the lower box body and the upper box body;

the winding roller is rotatably installed in the middle of the lower box body and the upper box body, a spline shaft is arranged at one axial end of the winding roller, a through hole is formed in the axial direction of the winding roller, a second through hole for threading is formed in the middle end of the winding roller in the radial direction, a connecting wire penetrates through the second through hole and is wound on the winding roller, and the connecting wire penetrates through the first through hole and extends out;

the control device is arranged in the middle of the upper box body and comprises a sleeve, a pressing block, a first spring and a toothed plate, the sleeve is connected to the periphery of the spline shaft in a sliding mode, the top of the spline shaft is connected with the pressing block in a rotating mode through a bearing, the first spring is sleeved on the outer side of the spline shaft and limited between the sleeve and the winding roller, the toothed plate is fixedly arranged at the bottom of the sleeve, a toothed groove is formed in the upper surface of the upper box body corresponding to the toothed plate, and the toothed plate and the toothed groove are in sliding fit in the axial direction;

and the coil spring is connected between the wind-up roll and the lower box body.

In the invention, one axial end of the wind-up roll is provided with a first magnet block, the lower box body is provided with a second magnet block, the second magnet block is positioned on the rotating track of the first magnet block, and the rotation of the wind-up roll is decelerated through the magnetic attraction of the first magnet block and the second magnet block.

The winding roller is provided with a plurality of first magnet blocks, the lower box body is provided with a plurality of second magnet blocks, and when one first magnet block is aligned with one second magnet block, the other first magnet blocks are staggered with the corresponding second magnet blocks.

In addition, a movable ring is arranged on the lower box body in a sliding mode, the sliding direction of the movable ring is along the axial direction of the winding roller, and the second magnet block is arranged on the movable ring;

the telescopic connecting wire still includes pressing piece and lever piece, pressing piece sliding connection is in the outside of box body down, the both ends of pressing piece slide and extend to in the box body down, be provided with branch in the box body down, the middle part of lever piece is rotated and is connected on the branch, the both ends of lever piece respectively with pressing piece with activity circle swing joint, pressing piece is to being close to the direction of box body slides down, through lever piece drive the activity circle is kept away from first magnet piece. And a second spring is arranged between the pressing piece and the outer surface of the lower box body and is used for extruding the pressing piece to be far away from the lower box body.

Further, the pressing member includes a middle plate and end plates connected to both ends of the middle plate, and a circular plate is disposed in the middle of the middle plate.

In the invention, the end face of the winding roller is provided with a connecting column, and the first magnet block is in threaded connection with the connecting column.

In the invention, the inner walls of the upper box body, the lower box body and the upper box body are fixedly provided with limiting arc plates corresponding to the outer side positions of the winding roller, and the inner edges of the limiting arc plates are provided with concave steps which are used for being in positioning and rotating fit with the winding roller.

Furthermore, the limiting arc-shaped plate is made of plastic, and a metal sheet is arranged on the surface of the concave step.

In the invention, the middle part of the winding roller is provided with a plurality of middle isolation plates used for limiting connecting lines along the radial direction.

And the two ends of the winding roller are detachably and fixedly provided with end isolation plates through mounting frames.

Compared with the related art, the telescopic connecting wire provided by the invention has the following beneficial effects:

the invention provides a telescopic connecting wire, wherein a control device is arranged on an upper box body, a sleeve of the control device is connected to the periphery of a spline shaft in a sliding manner, a toothed plate is fixedly arranged at the bottom of the sleeve, a toothed groove is formed in the upper surface of the upper box body, a first spring can extrude the toothed plate and the toothed groove to form clamping fit, the telescopic length of the connecting wire is further limited, the fixing of the position of a winding roller is cancelled by pressing a pressing block, the winding roller is driven to rotate by pulling the connecting wires at two ends, the connecting wires are extracted, and the operation is convenient.

Drawings

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

FIG. 2 is a schematic overall cross-sectional structure provided by the present invention;

FIG. 3 is one of the schematic cross-sectional exploded views of the explosive structure shown in FIG. 1;

FIG. 4 is a second schematic cross-sectional exploded view of the structure of FIG. 1;

FIG. 5 is one of the schematic partial explosion structures shown in FIG. 1;

FIG. 6 is a second schematic diagram of the partial explosion structure shown in FIG. 1;

fig. 7 is a schematic view of the connection of the pusher lever and the movable ring in the present invention.

FIG. 8 is a schematic view of the movable ring, the first magnet block and the second magnet block of the present invention.

The reference numbers in the figures: 1. a lower box body; 2. an upper box body; 3. a first perforation; 4. a wind-up roll; 5. a middle separator plate; 6. fixing a column; 7. a through hole; 8. a second perforation; 9. a connecting wire; 10. a pay-off device; 11. a control device; 12. an end separator plate; 13. a limiting arc plate; 14. a movable ring; 15. a coil spring; 101. a positioning column; 102. a first magnet block; 103. a pressing member; 104. a lever member; 105. a second magnet block; 106. a strut; 107. a second spring; 111. a mounting frame; 112. a spline shaft; 113. a sleeve; 114. a second positioning hole; 115. briquetting; 116. a first spring; 117. a toothed plate; 118. a tooth-shaped groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

Referring to fig. 1 to 3, an embodiment of the invention provides a retractable connecting wire, which includes: a lower box 1, a wind-up roll 4, a coil spring 15 and a control device 11.

Wherein, the top fixed mounting of lower box body 1 has last box body 2, and the first perforation 3 that is used for the threading is offered down in the middle part between box body 1 and the last box body 2, and the both sides of going up box body 2 and box body 1 down have a first perforation 3 respectively. The lower box body 1 and the upper box body 2 can be fixedly connected through screws.

The winding roller 4 is rotatably installed in the middle of the lower box body 1 and the upper box body 2, a spline shaft 112 is arranged at one axial end of the winding roller 4, a through hole 7 is formed in the axial direction of the winding roller 4, a second through hole 8 for threading is formed in the middle end of the winding roller 4 along the radial direction, the connecting wire 9 penetrates through the second through hole 8 and is wound on the winding roller 4 in a winding mode, and the connecting wire 9 penetrates through the first through hole 3 and extends out. Wherein the connecting line 9 and the second through hole 8 can be fixed by using glue after being installed and connected. The axial other end of wind-up roll 4 can set up the round pin axle, is provided with fixed column 6 on box body 1 down, is provided with on the fixed column 6 with round pin axle rotation connection's connecting hole.

The control device 11 is installed in the middle of the upper box 2 and includes a sleeve 113, a pressing block 115, a first spring 116, and a toothed plate 117. Referring to fig. 2 and 6, a sleeve 113 is slidably attached to the outer periphery of the spline shaft 112, and a positioning hole 114 for connecting the spline shaft 112 is provided in the sleeve 113 so that the sleeve 113 and the spline shaft 112 are slidably attached in the axial direction but are not rotatable. The top of integral key shaft 112 is passed through the bearing and is rotated with briquetting 115 and be connected, perhaps the sleeve passes through the bearing and is rotated with briquetting 115 and be connected, first spring 116 cover is established in the outside of integral key shaft 112, and the restriction is between sleeve 113 and wind-up roll 4, dentate plate 117 fixed mounting is in the bottom of sleeve 113, dentate groove 118 has been seted up to the position that the upper surface of last box body 2 corresponds dentate plate 117, dentate plate 117 forms sliding fit with dentate groove 118 along the axial, first spring 116 can extrude dentate plate 117 and dentate groove 118 and form the joint cooperation, and then the flexible length of restriction connecting wire 9, and convenient operation.

A coil spring 15 is connected between the wind-up roll 4 and the lower cartridge 1 for recovering the connecting wire 9.

Referring to fig. 3 and 4, in this embodiment, a first magnet block 102 is disposed at one axial end of the wind-up roll 4, a second magnet block 105 is disposed on the lower box 1, the second magnet block 105 is located on a rotation track of the first magnet block 102, and the rotation of the wind-up roll 4 is decelerated by magnetic attraction of the first magnet block 102 and the second magnet block 105, so as to avoid the connection line 9 from extending and retracting fast, and the connection line end generally has a connection head, which is fast and easily scratches a user.

Referring to fig. 8, a plurality of first magnet blocks 102 are disposed on the wind-up roll 4, a plurality of second magnet blocks 105 are disposed on the lower box 1, and when one first magnet block 102 is aligned with one second magnet block 105, the other first magnet blocks 102 are misaligned with the corresponding second magnet blocks 105, the first magnet blocks 102 are indicated by circular blocks in fig. 8, and the second magnet blocks are indicated by square blocks. Therefore, in one rotation period of the wind-up roll 4, the plurality of first magnet blocks 102 and the plurality of second magnet blocks 105 can form magnetic attraction at different time points, and the blocking effect on the stretching speed is more flexible.

Referring to fig. 4 and 7, a movable ring 14 is slidably disposed on the lower case 1, the sliding direction is along the axial direction of the wind-up roll 4, and a second magnet 105 is disposed on the movable ring 14.

The telescopic connecting wire still includes pressing piece 103 and lever piece 104, pressing piece 103 sliding connection is in the outside of box body 1 down, the both ends of pressing piece 103 slide and extend to box body 1 down in, be provided with branch 106 in the box body 1 down, the middle part of lever piece 104 is rotated and is connected on branch 106, the both ends of lever piece 104 respectively with pressing piece 103 and movable ring 14 swing joint, pressing piece 103 slides to the direction that is close to box body 1 down, when pressing piece 103, pressing piece 103 can drive movable ring through lever piece 104 and keep away from first magnet piece 102, can reduce the magnetic attraction of first magnet piece 102 and second magnet piece 105 greatly. A second spring 107 is arranged between the pressing piece 103 and the outer surface of the lower box body 1, and the second spring 107 is used for extruding the pressing piece 103 to be far away from the lower box body 1, so that the first magnet block 102 and the second magnet block 105 can be magnetically attracted in the rotating process of the winding roller 4.

Referring to fig. 4, in the present embodiment, the pressing member 103 includes a middle plate and end plates connected to two ends of the middle plate, and a circular plate is disposed in the middle of the middle plate to facilitate the pressing operation.

Referring to fig. 5, in the embodiment, the end surface of the wind-up roll 4 is provided with the connection column 101, the first magnet block 102 is in threaded connection with the connection column 101, so that the connection is convenient, and when the first magnet block 102 is worn, the connection height between the first magnet block 102 and the connection column 101 is also convenient to adjust.

Referring to fig. 3, the inner walls of the upper box body 2, the lower box body 1 and the upper box body 2 are fixedly provided with limiting arc plates 13 corresponding to the outer side positions of the wind-up roll 4, and concave steps for positioning and rotating matching with the wind-up roll 4 are formed on the inner edges of the limiting arc plates 13.

Optionally, the limiting arc-shaped plate is made of plastic, and a metal sheet can be arranged on the surface of the concave step, so that the wear resistance is improved.

In the invention, the middle part of the winding roller 4 is provided with a plurality of middle isolation plates 5 used for limiting the connecting wires 9 along the radial direction. And a second penetrating opening 8 is formed in the wind-up rolls 4 on the upper side and the lower side of the middle isolation plate 5.

Wherein, the fixed tip division board 12 that is provided with of mounting bracket 111 detachable at the both ends of wind-up roll 4, the change is conveniently dismantled, and parts can recycle. The connecting lines 9 at two ends can be well separated through the matching of the middle isolation plate 5 and the end isolation plate 12, and the rolling and the paying-off are smoother.

In this device use, people twine connecting wire 9 at the middle part of wind-up roll 4 in advance, connecting wire 9 is connected at the middle part of wind-up roll 4, when people need flexible connecting wire 9 of using different length, through pressing briquetting 115 downwards, first spring 116 is in compression state this moment, drive behind the tooth-shaped plate 117 roll-off tooth-shaped groove 118, will cancel the fixed to wind-up roll 4 position, and press pressing member 103 simultaneously, press pressing member 103 can drive movable ring through lever piece 104 and keep away from first magnet piece 102, can reduce the magnetic attraction of first magnet piece 102 and second magnet piece 105 greatly, like this alright take out it laborsaving and in the same direction as smooth with connecting wire 9 through the pulling both ends. When the winding roller 4 is drawn out to a required length, the rolling roller 4 can be limited to rotate only by loosening the pressing block 115 and driving the toothed plate 117 to slide into the toothed groove 118 by the elastic force of the first spring 116.

When the connecting wire needs to be recovered, the pressing block 115 is pressed downwards, the wind-up roll 4 is driven to rotate under the elastic action of the coil spring 15, the connecting wire 9 is recovered, the pressing piece 103 is not pressed in the process, the pressing piece 103 is far away from the lower box body 1 under the elastic action of the second spring 107, the wind-up roll 4 can be magnetically attracted with the second magnet piece 105 in the rotating process, the connecting wire 9 can be slowly and flexibly recovered, and the operation and the control are very convenient.

The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.

Claims

1. A retractable cord, comprising:

the box comprises a lower box body (1), wherein an upper box body (2) is fixedly mounted at the top of the lower box body (1), and a first through hole (3) for threading is formed in the middle between the lower box body (1) and the upper box body (2);

the winding roller (4) is rotatably installed in the middle of the lower box body (1) and the middle of the upper box body (2), a spline shaft (112) is arranged at one axial end of the winding roller (4), a through hole (7) is formed in the axial direction of the winding roller (4), a second through hole (8) for threading is formed in the middle end of the winding roller (4) in the radial direction, a connecting wire (9) penetrates through the second through hole (8) and winds around the winding roller (4), and the connecting wire (9) penetrates through the first through hole (3) and extends out;

the control device (11) is installed in the middle of the upper box body (2) and comprises a sleeve (113), a pressing block (115), a first spring (116) and a toothed plate (117), the sleeve (113) is connected to the periphery of the spline shaft (112) in a sliding mode, the top of the spline shaft (112) is connected with the pressing block (115) in a rotating mode through a bearing, the first spring (116) is sleeved on the outer side of the spline shaft (112) and limited between the sleeve (113) and the winding roller (4), the toothed plate (117) is fixedly installed at the bottom of the sleeve (113), a toothed groove (118) is formed in the position, corresponding to the toothed plate (117), of the upper surface of the upper box body (2), and the toothed plate (117) and the toothed groove (118) form sliding fit in the axial direction;

and the coil spring (15) is connected between the winding roller (4) and the lower box body (1).

2. The retractable connecting wire as claimed in claim 1, wherein a first magnet block (102) is disposed at one axial end of the wind-up roll (4), a second magnet block (105) is disposed on the lower box body (1), the second magnet block (105) is located on the rotation track of the first magnet block (102), and the rotation of the wind-up roll (4) is decelerated by the magnetic attraction of the first magnet block (102) and the second magnet block (105).

3. The retractable connecting wire as claimed in claim 2, wherein a plurality of the first magnet blocks (102) are arranged on the winding roller (4), a plurality of the second magnet blocks (105) are arranged on the lower box body (1), and when one first magnet block (102) is aligned with one second magnet block (105), the other first magnet blocks (102) are misaligned with the corresponding second magnet blocks (105).

4. The retractable connection line according to claim 2, characterized in that a movable ring (14) is slidably arranged on the lower box (1), the sliding direction is along the axial direction of the winding roller (4), and the second magnet block (105) is arranged on the movable ring (14);

the telescopic connecting line still includes pressing piece (103) and lever piece (104), pressing piece (103) sliding connection is in the outside of box body (1) down, the both ends of pressing piece (103) slide and extend to in box body (1) down, be provided with branch (106) down in box body (1), the middle part of lever piece (104) is rotated and is connected on branch (106), the both ends of lever piece (104) respectively with pressing piece (103) with activity circle (14) swing joint, pressing piece (103) to being close to the direction slip of box body (1) down, through lever piece (104) drive the activity circle is kept away from first magnet piece, pressing piece (103) with be provided with the second spring down between the surface of box body (1) down, the second spring is used for the extrusion pressing piece (103) are kept away from box body (1) down.

5. Retractable cord according to claim 4, characterized in that said pressing element (103) comprises a central plate and end plates connected to the ends of said central plate, said central plate being provided with a circular plate in its middle.

6. Retractable connection line according to claim 1, characterized in that the end face of the wind-up roll (4) is provided with a connection post (101), the first magnet block (102) being screwed to the connection post (101).

7. The telescopic connecting wire as claimed in claim 1, wherein the inner walls of the upper box (2) and the lower box (1) and the upper box (2) are fixedly provided with a limiting arc plate (13) at positions corresponding to the outer sides of the winding roller (4), and the inner edge of the limiting arc plate (13) is provided with a concave step for positioning and rotating matching with the winding roller (4).

8. The retractable connecting wire as claimed in claim 7, characterized in that the limiting arc (13) is made of plastic, and a metal sheet is arranged on the surface of the concave step.

9. Retractable cord as in claim 1, characterized in that the central part of the wind-up roll (4) is provided with a plurality of central spacers (12) in the radial direction for spacing the cord (9).

10. Retractable cord according to claim 9, characterised in that end spacers are detachably fixed to the two ends of the wind-up roll (4) by means of mounting brackets.