阅读说明：本技术 一种具有保护线缆功能的新能源电桩 (New forms of energy electric pile with protection cable function ) 是由 朱贤 于 2021-09-03 设计创作，主要内容包括：本发明涉及一种新能源电桩,尤其涉及一种具有保护线缆功能的新能源电桩,包括有支撑座、支撑圆框、支撑框、电力传输组件、收回组件等；支撑座上固定安装有支撑圆框,支撑圆框上转动式连接有支撑框,支撑框底部开有与支撑圆框相对应的圆形滑槽,电力传输组件定位于支撑框内,收回组件设于电力传输组件上。通过充电枪推动滑动杆及其上装置朝靠近固定支撑架方向运动,第一开槽架带动滑动支撑架及其上装置相向运动,擦拭块相向运动将输电线卡紧,擦拭块将输电线上的水渍擦拭干净,避免造成此设备内部浸水,增加设备使用寿命。(The invention relates to a new energy electric pile, in particular to a new energy electric pile with a cable protection function, which comprises a supporting seat, a supporting circular frame, a supporting frame, an electric power transmission assembly, a withdrawing assembly and the like; the supporting seat is fixedly provided with a supporting circular frame, the supporting circular frame is rotatably connected with the supporting frame, the bottom of the supporting frame is provided with a circular sliding groove corresponding to the supporting circular frame, the power transmission assembly is positioned in the supporting frame, and the withdrawing assembly is arranged on the power transmission assembly. Through the rifle that charges promote the slide bar and install on it and move towards being close to fixed bolster direction, first fluting frame drives slide support frame and the device motion in opposite directions of going up thereof, cleans the piece and moves in opposite directions with the power transmission line chucking, cleans the piece and cleans the water stain on the power transmission line totally, avoids causing the inside soaking of this equipment, increases equipment life.)

1. The utility model provides a new forms of energy electric pile with protection cable function which characterized in that: including the supporting seat, the support circle frame, the carriage, the power transmission subassembly, withdraw the subassembly, spacing subassembly, the release subassembly, the subassembly is erased to the water stain, extrude subassembly and protective housing, fixed mounting has the support circle frame on the supporting seat, the last rotation type of support circle frame is connected with the carriage, open the carriage bottom has the circular spout corresponding with the support circle frame, the power transmission subassembly is located the carriage, it locates on the power transmission subassembly to withdraw the subassembly, spacing subassembly sets up on the carriage, release subassembly fixed mounting is at the carriage bottom surface, the subassembly setting is erased to the water stain on the release subassembly, it erases on the subassembly to extrude the subassembly and locate the water stain, protective housing fixed mounting is on the carriage.

2. The new energy electric pile with the function of protecting cables as claimed in claim 1, wherein: the electric power transmission subassembly is including the fix support frame, first bracing piece, the winding roller, first wiring strip, the second wiring strip, the wiring frame, power transmission line and the rifle that charges, the fix support frame is located the carriage, the welding has first bracing piece on the fix support frame, the last rotation type of first bracing piece is connected with the winding roller, the rigid coupling has first wiring strip on the first bracing piece, the same rigid coupling of second wiring strip is on first bracing piece, the welding has two wiring frames on the winding roller, a wiring frame and first wiring strip contact each other, another wiring frame and second wiring strip contact each other, common rotary type is connected with the power transmission line on two wiring frames, the power transmission line is around on the winding roller, the rifle that charges is connected to power transmission line one end.

3. The new energy electric pile with the function of protecting cables as claimed in claim 2, wherein: withdraw the subassembly including the ratchet, the pawl, first torsion spring, straight rack, the rotating turret, straight gear and second torsion spring, winding roller one side is provided with the ratchet, the last rotation type of fixed bolster is connected with the pawl, the hookup has first torsion spring on the pawl, first torsion spring one end links to each other with fixed bolster, winding roller one side rigid coupling has straight rack, first bracing piece is connected with straight rack rotary type, the last rotation type of fixed bolster is connected with the rotating turret, the welding of rotating turret one end has the straight gear, straight gear and straight rack intermeshing, straight gear one side fixedly connected with second torsion spring, second torsion spring one end links to each other with fixed bolster.

4. The new energy electric pile with the function of protecting cables as claimed in claim 3, wherein: spacing subassembly is including the carriage, first spring, the fluting board, the second bracing piece, the jack catch frame and chuck, carriage sliding type connection is on the carriage, carriage and rotating turret contact each other, the first spring of fixedly connected with on the carriage, first spring one end and carriage hookup, the welding of fluting board is in the carriage bottom, the welding of carriage bottom surface has the second bracing piece, be connected with the jack catch frame with the mode of liftable on the second bracing piece, jack catch frame and the spacing cooperation of fluting board, the chuck rigid coupling is in the supporting seat top, the chuck is located the support circle frame.

5. The new energy electric pile with the function of protecting cables as claimed in claim 4, wherein: the releasing assembly comprises a supporting block, a poking rod, a second spring, a sliding rod and a third spring, the supporting block is fixedly installed on the inner bottom surface of the supporting frame, the supporting block is connected with the charging gun in a clamping and sleeving manner, a power transmission line penetrates through the supporting block, the poking rod is connected with the supporting block in a sliding manner, the poking rod is contacted with the pawl, the second spring is fixedly connected onto the poking rod, one end of the second spring is connected with the supporting block, the sliding rod is connected onto the supporting block in a sliding manner, at least one part of the sliding rod is arranged in a groove of the supporting block, the sliding rod is contacted with the poking rod, the third spring is welded onto the sliding rod, and one end of the third spring is connected with the supporting block.

6. The new energy electric pile with the function of protecting cables as claimed in claim 5, wherein: the water stain erasing component comprises a first slotting frame, a sliding support frame, wiping blocks and a fourth spring, the first slotting frame is symmetrically welded on a sliding rod, the sliding support frame is symmetrically and slidably connected onto a support block, the sliding support frame is in limit fit with the first slotting frame, the wiping blocks are arranged on the first slotting frame, the sliding support frame is fixedly connected with the fourth spring, and one end of the fourth spring is connected with the support block.

7. The new energy electric pile with the function of protecting cables as claimed in claim 6, wherein: the extrusion assembly comprises a second slotting frame and an extrusion frame, the second slotting frame is vertically connected to the sliding support frame, the extrusion frame is in limit fit with the two second slotting frames, and the extrusion frame is in limit fit with the supporting block.

Technical Field

The invention relates to a new energy electric pile, in particular to a new energy electric pile with a cable protection function.

Background

In recent years, new energy vehicles are rapidly developed, a large number of charging piles are installed in parking lots or charging stations of public buildings and residential communities, the charging piles are fixed on the ground or on the wall, and the electric vehicles of various models can be charged according to different voltage levels. The input end of the charging pile is directly connected with an alternating current power grid, and the output end of the charging pile is provided with a charging plug for charging the electric automobile.

New energy automobile need park after finishing using and fill electric pile other and charge, before charging, the driver need park the new energy automobile to fixed position and charge, owing to fill electric pile setting in external environment, its charging wire and the head that charges all expose for a long time in outside big environment, and electric wire and charging head are stained with water stain easily when raining, and inside water stain entering fills electric pile, lead to easily filling the life of electric pile to subtract the weak point.

Disclosure of Invention

The invention aims to provide a new energy electric pile with a cable protection function, which can convert angles, is convenient for charging a new energy automobile and can wipe water stains on an electric lead, so as to solve the problems that the new energy automobile needs to be parked at a fixed position for charging, and the electric lead and a charging head are easily stained with water stains when raining.

The technical scheme of the invention is as follows: the utility model provides a new forms of energy electric pile with protection cable function, including the supporting seat, the support circle frame, the carriage, the power transmission subassembly, withdraw the subassembly, spacing subassembly, release the subassembly, the subassembly is erased to water stain, extrude subassembly and protective housing, fixed mounting has the support circle frame on the supporting seat, the last rotation type of support circle frame is connected with the carriage, open the carriage bottom has the circular spout corresponding with the support circle frame, the power transmission subassembly is positioned in the carriage, it locates on the power transmission subassembly to withdraw the subassembly, spacing subassembly sets up on the carriage, release subassembly fixed mounting is at the carriage bottom surface in, the subassembly setting is erased to water stain on the release subassembly, it erases on the subassembly to extrude the subassembly to locate water stain, protective housing fixed mounting is on the carriage.

In one embodiment, the power transmission assembly comprises a fixed support frame, a first support rod, a winding roller, a first wiring strip, a second wiring strip, a wiring frame, a power transmission line and a charging gun, the fixed support frame is positioned in the support frame, the first support rod is welded on the fixed support frame, the winding roller is rotatably connected onto the first support rod, the first wiring strip is fixedly connected onto the first support rod, the second wiring strip is also fixedly connected onto the first support rod, two wiring frames are welded onto the winding roller, one wiring frame is in contact with the first wiring strip, the other wiring frame is in contact with the second wiring strip, the power transmission line is rotatably connected onto the two wiring frames, the power transmission line is wound onto the winding roller, and the charging gun is connected to one end of the power transmission line.

In one embodiment, the retraction assembly comprises a ratchet wheel, a pawl, a first torsion spring, a straight rack, a rotating rack, a straight gear and a second torsion spring, the ratchet wheel is arranged on one side of the winding roller, the pawl is rotatably connected to the fixed support frame, the first torsion spring is connected to the pawl in a coupling mode, one end of the first torsion spring is connected to the fixed support frame, the straight rack is fixedly connected to one side of the winding roller, the first support rod is rotatably connected to the straight rack, the rotating rack is rotatably connected to the fixed support frame, the straight gear is welded to one end of the rotating rack, the straight gear is meshed with the straight rack, the second torsion spring is fixedly connected to one side of the straight gear, and one end of the second torsion spring is connected to the fixed support frame.

In one embodiment, the limiting assembly comprises a sliding frame, a first spring, a grooving plate, a second supporting rod, a clamping column frame and a chuck, the sliding frame is connected to the supporting frame in a sliding mode, the sliding frame is in contact with the rotating frame, the first spring is fixedly connected to the sliding frame, one end of the first spring is connected with the supporting frame, the grooving plate is welded to the bottom of the sliding frame, the second supporting rod is welded to the bottom surface of the supporting frame, the clamping column frame is connected to the second supporting rod in a liftable mode, the clamping column frame is in limiting fit with the grooving plate, the chuck is fixedly connected to the supporting seat above, and the chuck is located in the supporting circular frame.

In one embodiment, the releasing assembly comprises a supporting block, a poking rod, a second spring, a sliding rod and a third spring, the supporting block is fixedly installed on the inner bottom surface of the supporting frame and is connected with the charging gun in a clamping manner, the power transmission line penetrates through the supporting block, the poking rod is connected with the supporting block in a sliding manner and is in contact with the pawl, the second spring is fixedly connected with the poking rod, one end of the second spring is connected with the supporting block, the sliding rod is connected with the supporting block in a sliding manner, at least one part of the sliding rod is arranged in a groove of the supporting block and is in contact with the poking rod, the third spring is welded on the sliding rod, and one end of the third spring is connected with the supporting block.

In one embodiment, the water stain wiping assembly comprises a first slotting frame, a sliding support frame, a wiping block and a fourth spring, the first slotting frame is symmetrically welded on the sliding rod, the sliding support frame is symmetrically and slidably connected to the support block, the sliding support frame is in limit fit with the first slotting frame, the wiping block is arranged on the first slotting frame, the fourth spring is fixedly connected to the sliding support frame, and one end of the fourth spring is connected with the support block.

In one embodiment, the extrusion assembly comprises a second slotted frame and an extrusion frame, the second slotted frame is vertically connected to the sliding support frame, the extrusion frame is in limit fit with the two second slotted frames, and the extrusion frame is in limit fit with the support block.

The beneficial effects are that: through rotating turret and carriage separation, the first spring that is in compression state resets and drives carriage and fluting board towards being close to the motion of supporting shoe direction for the fluting board promotes card post frame downstream, and card post frame card is gone into in the chuck recess, and the chuck blocks card post frame and device on it, prevents that new energy automobile from receiving external influence carriage and last device can rotate when charging.

Drive second fluting frame relative motion through the slip support frame, second fluting frame can promote the extrusion frame towards being close to the motion of fixed bolster direction, and the extrusion frame extrudees the piece of wiping for the water stain of wiping the piece internal absorption flows, and the water stain of avoiding wiping the piece internal absorption is too much.

Through the rifle that charges promote the slide bar and install on it and move towards being close to fixed bolster direction, first fluting frame drives slide support frame and the device motion in opposite directions of going up thereof, cleans the piece and moves in opposite directions with the power transmission line chucking, cleans the piece and cleans the water stain on the power transmission line totally, avoids causing the inside soaking of this equipment, increases equipment life.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

Fig. 3 is a schematic partial perspective view of a power transmission assembly according to the present invention.

Fig. 4 is a schematic perspective view of a portion of the retrieval assembly of the present invention.

Fig. 5 is a partially disassembled perspective view of the power transmission assembly of the present invention.

Fig. 6 is a schematic perspective view of the spacing assembly of the present invention.

Fig. 7 is a schematic perspective view of a portion of a release assembly according to the present invention.

Fig. 8 is a perspective view of the release assembly of the present invention.

Fig. 9 is a schematic perspective view of the water stain removing assembly according to the present invention.

Fig. 10 is a schematic perspective view of an extrusion assembly of the present invention.

Labeled as: 1-a support base, 2-a support circular frame, 3-a support frame, 4-a power transmission assembly, 41-a fixed support frame, 411-a first support rod, 42-a winding roller, 43-a first wire connection strip, 44-a second wire connection strip, 45-a wire connection frame, 46-a power line, 461-a charging gun, 5-a retraction assembly, 51-a ratchet wheel, 52-a pawl, 53-a first torsion spring, 54-a straight rack, 55-a rotating frame, 56-a straight rack, 57-a second torsion spring, 6-a limit assembly, 61-a sliding frame, 62-a first spring, 63-a slotted plate, 64-a second support rod, 65-a column clamping frame, 66-a chuck, 7-a release assembly, 71-a support block, 72-a poke rod, 73-second spring, 74-sliding rod, 75-third spring, 8-water spot wiping component, 81-first slotted frame, 82-sliding support frame, 83-wiping block, 84-fourth spring, 9-extrusion component, 91-second slotted frame, 92-extrusion frame, 10-protective shell.

Detailed Description

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Example (b): a new energy electric pile with a cable protection function is disclosed, as shown in figures 1-10, and comprises a supporting seat 1, a supporting circular frame 2, a supporting frame 3, an electric power transmission assembly 4, a withdrawing assembly 5, a limiting assembly 6, a releasing assembly 7, a water stain erasing assembly 8, an extruding assembly 9 and a protective shell 10, wherein the supporting seat 1 is fixedly provided with the supporting circular frame 2, the supporting circular frame 2 is rotatably connected with the supporting frame 3, the bottom of the supporting frame 3 is provided with a circular chute corresponding to the supporting circular frame 2, the electric power transmission assembly 4 for transmitting current is positioned in the supporting frame 3, the withdrawing assembly 5 for withdrawing a cable is arranged on the electric power transmission assembly 4, the limiting assembly 6 is arranged on the supporting frame 3, the releasing assembly 7 is fixedly arranged on the inner bottom surface of the supporting frame 3, the water stain erasing assembly 8 for wiping water stains completely is arranged on the releasing assembly 7, the extruding assembly 9 for extruding water stains erasing assembly 8 is arranged on the water stain erasing assembly 8, a protective case 10 for protecting internal components is fixedly installed on the support frame 3.

The power transmission assembly 4 comprises a fixed support 41, a first support 411, a winding roller 42, a first wiring strip 43, a second wiring strip 44, a wiring frame 45, a power line 46 and a charging gun 461, wherein the fixed support 41 is positioned in the support frame 3, the first support 411 is welded on the fixed support 41, the winding roller 42 is rotatably connected on the first support 411, the winding roller 42 is used for winding the power line 46, the first wiring strip 43 is fixedly connected on the first support 411, the second wiring strip 44 is also fixedly connected on the first support 411, two wiring frames 45 are welded on the winding roller 42, one wiring frame 45 is in rotary contact with the first wiring strip 43, the other wiring frame 45 is in rotary contact with the second wiring strip 44, the two wiring frames 45 are jointly connected with the power line 46, the power line 46 is wound on the wiring roller 42, one end of the power line 46 far away from the wiring frame 45 is connected with the charging gun 461, the charging gun 461 is used for charging the new energy automobile.

The retraction assembly 5 comprises a ratchet 51, a pawl 52, a first torsion spring 53, the winding device comprises a straight rack 54, a rotating rack 55, a straight gear 56 and a second torsion spring 57, wherein a ratchet wheel 51 is arranged on one side of the winding roller 42, a pawl 52 is rotatably connected to the fixed support frame 41, the pawl 52 is used for clamping the ratchet wheel 51, the first torsion spring 53 is connected to the pawl 52, one end of the first torsion spring 53 far away from the pawl 52 is connected with the fixed support frame 41, the straight rack 54 is fixedly connected to one side of the winding roller 42 close to the ratchet wheel 51, a first supporting rod 411 is rotatably connected with the straight rack 54, the rotating rack 55 is rotatably connected to the fixed support frame 41, the straight gear 56 is welded to one end of the rotating rack 55, the straight gear 56 is meshed with the straight rack 54, the second torsion spring 57 is fixedly connected to one side of the straight gear 56, and one end of the second torsion spring 57 far away from the straight gear 56 is connected with the fixed support frame 41.

Spacing subassembly 6 is including carriage 61, first spring 62, the fluting board 63, second bracing piece 64, card post frame 65 and chuck 66, carriage 61 sliding type connects on carriage 3, carriage 61 and the rotating turret 55 of keeping away from spur gear 56 contact each other, the first spring 62 of fixedly connected with on carriage 61, the first spring 62 one end of keeping away from carriage 61 couples with carriage 3, fluting board 63 welds in carriage 61 bottom, the welding of carriage 3 bottom surface that is close to carriage 61 has second bracing piece 64, be connected with card post frame 65 with the mode of liftable on the second bracing piece 64, card post frame 65 and the spacing cooperation of fluting board 63, fluting board 63 is used for propelling movement of card post frame 65, the chuck 66 rigid coupling is in supporting seat 1 top, chuck 66 is located and supports circle frame 2, chuck 66 is used for blocking card post frame 65 and its upper device.

The releasing component 7 comprises a supporting block 71 and a poke rod 72, the charging device comprises a second spring 73, a sliding rod 74 and a third spring 75, wherein a supporting block 71 is fixedly installed on the inner bottom surface of the supporting frame 3, the supporting block 71 is connected with a charging gun 461 in a clamping manner, the power line 46 penetrates through the supporting block 71, the supporting block 71 is used for placing the charging gun 461, a poking rod 72 is connected with the supporting block 71 in a sliding manner, the poking rod 72 is contacted with the pawl 52 mutually, the poking rod 72 is used for pushing the pawl 52 to swing, the second spring 73 is fixedly connected with the poking rod 72, one end, far away from the poking rod 72, of the second spring 73 is connected with the supporting block 71, the sliding rod 74 is connected with the supporting block 71 in a sliding manner, at least one part of the sliding rod 74 is arranged in a groove of the supporting block 71, the sliding rod 74 is contacted with the poking rod 72 mutually, the third spring 75 is welded on the sliding rod 74, and one end, far away from the sliding rod 74, of the third spring 75 is connected with the supporting block 71.

The water stain wiping component 8 comprises a first slotted frame 81, a sliding support frame 82, a wiping block 83 and a fourth spring 84, the first slotted frame 81 is symmetrically welded on the sliding rod 74, the sliding support frame 82 is symmetrically and slidably connected on the support block 71, the sliding support frame 82 is in limit fit with the first slotted frame 81, the wiping block 83 is arranged on the first slotted frame 81, the wiping block 83 is used for wiping water stains on the power transmission line 46 completely, the sliding support frame 82 is fixedly connected with the fourth spring 84, and one end of the fourth spring 84 far away from the sliding support frame 82 is connected with the support block 71.

The extrusion assembly 9 comprises a second slotting frame 91 and an extrusion frame 92, the second slotting frame 91 is vertically connected to the sliding support frame 82, the second slotting frame 91 is used for pushing the extrusion frame 92 to move, the extrusion frame 92 is in limit fit with the two second slotting frames 91, the extrusion frame 92 is used for extruding the wiping block 83, and the extrusion frame 92 is in limit fit with the support block 71.

This equipment setting is in public building and residential area parking area or charging station, supporting seat 1 fixed mounting is subaerial, when needs charge to new energy automobile, the user parks the car by this equipment, the user rotates support frame 3 and device on it, make the rifle 461 aims at the new energy automobile socket that charges, the user takes off and pulls out rifle 461 from supporting shoe 71 that charges, insert rifle 461 that charges on the new energy automobile socket, the power supply passes through first wiring strip 43 and second wiring strip 44 with on the electricity transmission to wiring frame 45, wiring frame 45 will transmit electricity to rifle 461 that charges through power line 46 after that, make rifle 461 that charges can charge new energy automobile.

When the user pulls out charging gun 461, charging gun 461 passes through power line 46 pulling connection frame 45 and the device on it rotates, winding roller 42 can drive ratchet 51 and straight rack 54 clockwise rotation, thereby straight rack 54 drives straight gear 56 and rotating turret 55 to rotate, second torsion spring 57 is compressed, rotating turret 55 separates with carriage 61, and then first spring 62 that is in compression state resets and drives carriage 61 and slotted plate 63 towards being close to supporting shoe 71 direction motion, make slotted plate 63 promote card post frame 65 downstream, card post frame 65 blocks in chuck 66 recess, chuck 66 blocks card post frame 65 and the device on it, prevent that new energy automobile from receiving external influence carriage 3 and the device on it can rotate when charging. Meanwhile, the pulled charging gun 461 no longer blocks the sliding rod 74, the third spring 75 in the stretching state resets to drive the sliding rod 74 and the device thereon to move away from the fixed support frame 41, the first slotted frame 81 pushes the sliding support frame 82 and the device thereon to move relatively, and the wiping block 83 moves relatively to loosen the power line 46, so that the wiping block 83 is prevented from rubbing the power line 46. The sliding support frame 82 drives the second slotting frame 91 to move relatively, the second slotting frame 91 can push the extrusion frame 92 to move towards the direction close to the fixed support frame 41, and the extrusion frame 92 extrudes the wiping block 83, so that water stains absorbed in the wiping block 83 flow out, and the water stains absorbed in the wiping block 83 are avoided being too much. The sliding rod 74 moves towards the direction far away from the fixed support frame 41, the sliding rod 74 is separated from the poke rod 72, the second spring 73 in the stretching state resets to drive the poke rod 72 to move towards the direction far away from the fixed support frame 41, the poke rod 72 does not block the pawl 52 any more, the first torsion spring 53 in the compression state resets to drive the pawl 52 to swing, the pawl 52 is meshed with the ratchet wheel 51, when the winding roller 42 drives the ratchet wheel 51 to rotate clockwise, the ratchet wheel 51 can push the pawl 52 to poke, the pawl 52 clamps the ratchet wheel 51, and the winding roller 42 and the device on the winding roller are prevented from rotating and resetting.

After the new energy automobile finishes charging, a user pulls out the charging gun 461 from the new energy automobile socket, the user puts the charging gun 461 back to the supporting block 71, the charging gun 461 can push the sliding rod 74 and the device on the sliding rod to move towards the direction close to the fixed supporting frame 41, the first slotted frame 81 drives the sliding supporting frame 82 and the device on the sliding supporting frame to move towards each other, the wiping blocks 83 move towards each other to clamp the power transmission line 46, the wiping blocks 83 wipe water stains on the power transmission line 46 completely, the phenomenon that the inside of the equipment is soaked in water is avoided, and the service life of the equipment is prolonged. The sliding support frame 82 drives the second slotting bracket 91 to move towards each other, the second slotting bracket 91 pushes the extrusion frame 92 to move away from the fixed support frame 41, and the extrusion frame 92 does not extrude the wiping block 83 any more. The sliding rod 74 pushes the shifting rod 72 to move toward the fixed support 41, and the shifting rod 72 pushes the pawl 52 to swing, so that the pawl 52 no longer catches the ratchet 51. Meanwhile, the compressed second torsion spring 57 resets to drive the straight gear 56 and the rotating frame 55 to rotate and reset, the straight gear 56 drives the straight rack 54 and the upper device thereof to rotate anticlockwise, the winding roller 42 rotates anticlockwise to wind the power transmission line 46, the rotating frame 55 rotates to push the sliding frame 61 and the slotted plate 63 to move towards the direction away from the supporting block 71, the slotted plate 63 pushes the clamping column frame 65 to move upwards, and the clamping column frame 65 is not clamped into the groove of the clamping chuck 66 any more.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.