CN212893275U

CN212893275U - Cable winding and unwinding devices for rifle charges

Info

Publication number: CN212893275U
Application number: CN202021320488.3U
Authority: CN
Inventors: 马晓雪
Original assignee: Dianfan Investment Management Shanghai Co ltd
Current assignee: Dianfan Investment Management Shanghai Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-04-06
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses a cable winding and unwinding devices for rifle charges, relate to electric automobile charging technical field, including the rifle that charges, connecting cable and installation box body, the outside of installation box body is equipped with electric installation, electric installation is connected with the connecting cable electricity, be equipped with cable winding and unwinding structures in the installation box body, cable winding and unwinding mechanisms includes the wire reel, rotatory axostylus axostyle and driving piece, driving piece and installation box body fixed connection, rotatory axostylus axostyle and coaxial setting and fixed connection of wire reel, the connecting cable twines on the wire reel, the driving piece is connected with rotatory axostylus axostyle drive in order to drive the axis anticlockwise or clockwise rotation that the wire reel coiled rotatory axostylus axostyle, the wire hole has been seted up on the installation box body, the rifle that charges is located the outside of installation box body, and the free end of connecting, The battery pack is withdrawn, the charging efficiency is improved, the abrasion of the connecting cable and other structures is reduced, and the service life of the connecting cable is ensured.

Description

Cable winding and unwinding devices for rifle charges

Technical Field

The utility model relates to an electric automobile technical field that charges, more specifically say, it relates to a rifle cable winding and unwinding devices charges.

Background

With the rapid development of electric vehicles, the demand for rapid charging is becoming more intense, and direct current rapid charging has the advantages of large charging power, short charging time and user time saving, so that the development of a rapid direct current charging technology is the key of the electric vehicle charging technology.

The current chinese patent with publication number CN209320735U discloses a suspension type intelligent dc charging system, which comprises a bracket, sky rail and parking stall, the support rear side is equipped with the location two-dimensional code, the support side-mounting has intelligent switching power supply, first cable and second cable are connected through the thread to intelligence switching power supply top, the dc charger is installed to sky rail top, through-hole a and through-hole B have been seted up on the dc charger surface, the inside motor that is equipped with of dc charger, there is the cable through pivot swing joint wheel on one side of motor, the second cable other end passes through-hole a and through-hole B fixedly connected with rifle that charges, and second cable swing joint takes turns the surface at the cable receipts, the inside fixed mounting of dc charger has driving motor.

Among the above-mentioned technical scheme, after electric automobile parks on the parking stall, motor and driving motor work, and the direct current machine that charges slides to electric automobile's top along the day rail, the rifle that charges falls gradually and is close to electric automobile, realize charging, later retrieve the rifle that charges to the eminence again, however, the inside second cable winding mode of direct current machine that charges is comparatively complicated, increase second cable and cable receive and release wheel, the frictional force between the axis of rotation, the nimble degree that leads to releasing and withdrawing the second cable reduces, influence charging efficiency, the long-time wearing and tearing of second cable damage easily simultaneously, reduce its life-span, therefore, there is the part of treating the improvement.

SUMMERY OF THE UTILITY MODEL

To the not enough that exists among the prior art, the utility model aims to provide a rifle cable winding and unwinding devices charges, driving piece work is nimble to be driven the connecting cable release and withdraw, improves charge efficiency, and reduces the wearing and tearing between connecting cable and other structures, guarantees the life-span of connecting cable, and concrete scheme is as follows:

a cable winding and unwinding device for a charging gun comprises the charging gun, a connecting cable and a mounting box body, wherein a conductive device is arranged outside the mounting box body, the conductive device is electrically connected with the connecting cable, a cable retracting mechanism is arranged in the mounting box body, the cable retracting mechanism comprises a wire spool, a rotating shaft lever and a driving piece, the driving piece is fixedly connected with the mounting box body, the rotating shaft lever is coaxially arranged with the wire spool and is fixedly connected with the wire spool, the wire spool is positioned above the driving piece, the connecting cable is wound on the wire spool, the driving piece is in driving connection with the rotating shaft lever to drive the winding coil to rotate anticlockwise or clockwise around the central axis of the rotating shaft lever, the wire hole has been seted up on the diapire of installation box body, the rifle that charges is in the outside of installation box body, just the free end of connecting the cable wears to establish the wire hole with the rifle electric connection charges.

Furthermore, a sliding guide structure is arranged between the wire spool and the installation box body and comprises a positioning rod and a sliding guide pipe, one end of the positioning rod is fixedly connected with the installation box body, the other end of the positioning rod penetrates through the sliding guide pipe in a sliding mode, and the sliding guide pipe is coaxially connected with the wire spool.

Further, the wire reel with be equipped with between the installation box body and reinforce the connection structure, it includes reinforcement hook and spacing fixture block to reinforce the connection structure, spacing spout has been seted up on the installation box body, spacing spout be the circle and with the coaxial setting of wire reel, spacing fixture block slide in spacing spout, reinforce the hook with wire reel fixed connection, just reinforce the hook with spacing fixture block articulates.

Furthermore, the limiting clamping blocks are arranged in a plurality, and the number of the limiting clamping blocks corresponds to the number of the reinforcing hooks.

Furthermore, a centering block is arranged in the installation box body, a guide hole penetrates through the centering block, and the guide hole and the wire outlet hole are coaxially arranged.

Furthermore, a ball is arranged in the guide hole and connected with the ball head of the straightening block.

Further, the driving piece is set to be a positive and negative driving motor.

Further, the wire spool is provided with a guide wheel near the free end of the connecting cable in a rotating manner, and the guide wheel is in contact with the connecting cable.

Compared with the prior art, the beneficial effects of the utility model are as follows:

(1) when the installation box body slides to the position above the electric automobile along the sky rail, the electric conduction device transmits electric power on the sky rail to the connecting cable, the driving piece works to drive the wire spool to rotate, the length of the free end of the wire spool is gradually increased, the charging gun and the connecting cable fall under the action of gravity and gradually approach to the electric automobile, a user can insert the charging gun into a charging port of the electric automobile to charge, after charging is completed, the driving piece works again to drive the wire spool to reversely rotate, the connecting cable is gradually wound on the wire spool, the charging gun is simultaneously driven to gradually rise until the connecting cable approaches to a wire outlet, and in sum, the driving piece works flexibly to drive the connecting cable to release and retract, so that the charging efficiency is improved, the abrasion between the connecting cable and other structures is reduced, and the service life;

(2) by arranging the sliding guide structure, when the wire spool rotates clockwise or anticlockwise, the sliding guide pipe rotates relative to the positioning rod, so that the rotation stability of the wire spool is improved;

(3) by arranging the reinforcing connection structure, the mounting box body bears the weight of the wire spool and the connecting cable, the phenomenon that the normal work of the driving piece is influenced by the fact that the wire spool is overweight and applies pressure to the driving piece is avoided, the limiting clamping block slides in the limiting sliding groove simultaneously in the rotating process of the wire spool, and the stability of the wire spool is improved;

(4) the centering block is arranged, so that the connecting cable is kept in a vertical state before leaving the wire outlet hole, and the friction force between the connecting cable and the wire outlet hole when the connecting cable leaves from the wire outlet hole in an inclined manner is reduced, so that the connecting cable is released smoothly;

(5) through setting up the ball for the sliding friction power between connecting cable and the centering piece becomes rolling friction power, and frictional force reduces, and the connecting cable of being convenient for releases from the wire hole more fast.

Drawings

Fig. 1 is an overall schematic view of the mounting box body of the embodiment of the present invention slidably mounted on a sky rail;

FIG. 2 is a schematic structural view showing the connection relationship between the wire spool and the rotary rod with the driving member according to the present invention;

fig. 3 is a schematic structural view showing the position of the charging block according to the present invention.

Reference numerals: 1. a charging gun; 2. connecting a cable; 3. installing a box body; 31. a wire outlet hole; 32. a limiting chute; 4. a conductive block; 5. a cable retracting mechanism; 51. a wire spool; 52. rotating the shaft lever; 53. a drive member; 6. a slide guide structure; 61. positioning a rod; 62. a guide sliding pipe; 7. adding a connecting structure; 71. reinforcing the hook; 72. a limiting clamping block; 8. a sliding wheel; 9. a straightening block; 91. a guide hole; 10. a ball bearing; 11. a sky rail; 12. a conductive cable; 13. a guide wheel.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.

With reference to fig. 1 and 3, a cable winding and unwinding device for a charging gun 1 includes a charging gun 1, a connection cable 2 and an installation box body 3, a conductive device is arranged outside the installation box body 3, the conductive device is provided with a conductive block 4, the conductive device is electrically connected with the connection cable 2, and a cable winding and unwinding mechanism 5 is arranged in the installation box body 3. During the in-service use, installation box body 3 is through setting up 8 slidable mounting of movable pulley on day rail 11, conducting block 4 is in movable pulley 8, conductive cable 12 has been buried underground in the day rail 11, conductive cable 12 in two day rails 11 represents positive pole, negative pole respectively, when installation box body 3 slides to electric automobile's top, conducting block 4 is electrically conductive with conductive cable 12 in the day rail 11, cable jack 5 release connection cable 2 for charging gun 1 descends to electric automobile department, the user alright with charging gun 1 insert the mouth that charges in the electric automobile, the realization is charged.

As shown in fig. 2, the cable retracting mechanism 5 includes a wire spool 51, a rotating shaft 52, and a driving member 53, the driving member 53 is configured as a forward and reverse driving motor, and the driving member 53 is fixedly connected to the mounting box 3. The whole disc structure that is the dead slot that the middle part formed and is used for the kinking of wire reel 51, rotatory axostylus axostyle 52 and the coaxial setting and fixed connection of wire reel 51, and wire reel 51 is in the top of driving piece 53, connect cable 2 and twine on wire reel 51, positive and negative driving motor's output shaft and the coaxial fixed connection of rotatory axostylus axostyle 52, or be connected through gear drive between positive and negative driving motor's the output shaft and the rotatory axostylus axostyle 52, when positive and negative driving motor corotation or reversal, drive wire reel 51 anticlockwise or clockwise around the axis of rotatory axostylus axostyle.

The wire hole 31 has been seted up on the diapire of installation box body 3, and the rifle 1 that charges is in the outside of installation box body 3, and the free end of connecting cable 2 wears out wire hole 31 and the rifle 1 electric connection that charges, and when wire reel 51 rotated, connecting cable 2 released or twine again on wire reel 51 from wire reel 51 to drive the rifle 1 whereabouts or the rising that charges.

A sliding guide structure 6 is arranged between the wire spool 51 and the mounting box 3, the sliding guide structure 6 comprises a positioning rod 61 and a sliding guide tube 62, one end of the positioning rod 61 is fixedly connected with the mounting box 3, the other end of the positioning rod 61 is slidably arranged in the sliding guide tube 62, and the sliding guide tube 62 is coaxially connected with the wire spool 51. When the wire spool 51 rotates clockwise or counterclockwise, the slide guide 62 rotates relative to the positioning rod 61, thereby improving the stability of the rotation of the wire spool 51.

Be equipped with between wire reel 51 and the installation box body 3 and consolidate connection structure 7, consolidate connection structure 7 and include reinforcement couple 71 and spacing fixture block 72, spacing fixture block 72 is provided with a plurality ofly, and the quantity of spacing fixture block 72 corresponds the setting with the quantity of reinforcement couple 71. The mounting box body 3 is provided with a limiting sliding groove 32, the limiting sliding groove 32 is circular and is coaxially arranged with the wire spool 51, the limiting clamping block 72 slides in the limiting sliding groove 32, and the limiting clamping blocks 72 are uniformly arranged around the axis of the limiting sliding groove 32 at intervals. Reinforce couple 71 and wire reel 51 fixed connection, it is used for absorbing spring to fix being provided with between reinforcing couple 71 and the wire reel 51, and reinforcing couple 71 articulates with spacing fixture block 72, make installation box body 3 bear the weight of wire reel 51 and connecting cable 2, avoid wire reel 51 whole overweight to exert pressure to driving piece 53, influence driving piece 53's normal work, wire reel 51 rotates the in-process spacing fixture block 72 and slides in spacing spout 32 simultaneously, improve wire reel 51's stability.

The wire spool 51 is rotatably provided with a guide wheel 13 near the free end of the connection cable 2, the guide wheel 13 is positioned below the connection cable 2, the guide wheel 13 is disposed in contact with the connection cable 2, and when the connection cable 2 is gradually released from the wire spool 51, the guide wheel 13 is disposed to change the sliding friction between the connection cable 2 and the wire spool 51 into a rolling friction, reducing the abrasion of the connection cable 2.

As shown in fig. 2, in order to ensure smooth release of the connection cable 2, a straightening block 9 is fixedly installed in the installation box body 3, a guide hole 91 is formed in the straightening block 9 in a penetrating manner, the guide hole 91 is coaxially arranged with the outlet hole 31, the connection cable 2 is kept in a vertical state before leaving the outlet hole 31, and friction between the connection cable 2 and the outlet hole 31 when the connection cable 2 obliquely leaves the outlet hole 31 is reduced, so that the connection cable 2 is released smoothly.

Preferably, the guide hole 91 is provided with a plurality of balls 10, the balls 10 are connected with the ball head of the centering block 9, when the connecting cable 2 passes through the guide hole 91, the sliding friction force between the connecting cable 2 and the centering block 9 is changed into rolling friction force, the friction force is reduced, and the connecting cable 2 can be released from the outlet hole 31 more quickly.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a cable winding and unwinding devices for rifle charges, includes rifle (1), connection cable (2) and installation box body (3) charge, its characterized in that, the outside of installation box body (3) is equipped with electric installation, electric installation with connection cable (2) electricity is connected, be equipped with cable winding and unwinding mechanism (5) in the installation box body (3), cable winding and unwinding mechanism (5) are including wire reel (51), rotatory axostylus axostyle (52) and driving piece (53), driving piece (53) with installation box body (3) fixed connection, rotatory axostylus axostyle (52) with coaxial setting of wire reel (51) and fixed connection, just wire reel (51) are in the top of driving piece (53), connection cable (2) twine on wire reel (51), driving piece (53) with rotatory axostylus axostyle (52) drive is connected in order to drive wire reel (51) around the axis of rotatory axostylus axostyle (52) is when contrary Needle or clockwise turning, wire hole (31) have been seted up on the diapire of installation box body (3), charging gun (1) is in the outside of installation box body (3), just the free end of connecting cable (2) wears to establish wire hole (31) with charging gun (1) electric connection.

2. The cable winding and unwinding device for the charging gun according to claim 1, wherein a guiding and sliding structure (6) is disposed between the wire spool (51) and the mounting box (3), the guiding and sliding structure (6) comprises a positioning rod (61) and a guiding and sliding tube (62), one end of the positioning rod (61) is fixedly connected with the mounting box (3), the other end of the positioning rod (61) is slidably disposed in the guiding and sliding tube (62), and the guiding and sliding tube (62) is coaxially connected with the wire spool (51).

3. The cable winding and unwinding device for the charging gun according to claim 1, characterized in that a reinforcing connection structure (7) is arranged between the wire spool (51) and the installation box body (3), the reinforcing connection structure (7) comprises a reinforcing hook (71) and a limiting fixture block (72), a limiting chute (32) is formed in the installation box body (3), the limiting chute (32) is circular and is coaxially arranged with the wire spool (51), the limiting fixture block (72) slides in the limiting chute (32), the reinforcing hook (71) is fixedly connected with the wire spool (51), and the reinforcing hook (71) is hooked with the limiting fixture block (72).

4. The cable reel device for the charging gun according to claim 3, wherein a plurality of limiting blocks (72) are provided, and the number of the limiting blocks (72) corresponds to the number of the reinforcing hooks (71).

5. The cable winding and unwinding device for the charging gun according to claim 4, wherein a centering block (9) is provided in the mounting box body (3), a guide hole (91) is formed through the centering block (9), and the guide hole (91) is coaxial with the outlet hole (31).

6. The cable reel device for a charging gun according to claim 5, wherein a ball (10) is provided in the guide hole (91), and the ball (10) is ball-jointed to the centering block (9).

7. The cable reel arrangement for a charging gun according to claim 1, characterized in that the drive member (53) is configured as a forward and reverse drive motor.

8. The cable reel device for a charging gun according to claim 1, wherein a guide wheel (13) is rotatably provided at the wire spool (51) near a free end of the connection cable (2), and the guide wheel (13) is provided in contact with the connection cable (2).