CN218548857U

CN218548857U - Flexible thimble device

Info

Publication number: CN218548857U
Application number: CN202120680218.1U
Authority: CN
Inventors: 张文栋; 张实丹; 刘玉斌
Original assignee: Beijing Victory Electric Co ltd
Current assignee: BEIJING WEITONGLI ELECTRIC CO LTD
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2023-02-28
Anticipated expiration: 2031-04-02

Abstract

The utility model provides a flexible thimble device, include: the flexible thimble structure comprises a first insulating plate, an insulating shell, a second insulating plate and four groups of flexible thimble telescopic units; the structure of flexible thimble telescoping unit of every group is the same, all includes: sliding sleeve, thimble, spring, first double-screw bolt subassembly, braided wire and second double-screw bolt subassembly. This application is fine has solved large-scale side charging device during operation, the problem that the conductive contact surface of the head that charges is not parallel with the conductive contact surface of power receiving device to reach the elastic buffer problem of contact, thereby guarantee side charging device fast and stable's realization function of charging.

Description

Flexible thimble device

Technical Field

The utility model belongs to the technical field of battery charging outfit, concretely relates to flexible thimble device.

Background

In the face of the heat tide of the vigorous development of the current new energy automobile, the new energy automobile mainly comprises two modes of alternating current slow charging and direct current fast charging; in the multifunctional direct-current charging process, a power receiving bank of a vehicle such as a bus receives power transmission provided by a charging device of a fixed charging station, and provides electric energy storage for self energy storage equipment; because the vehicle parking area is limited by the position of the charging station, the side surface of the vehicle body is difficult to be absolutely parallel to the side charging device, the vehicle is contacted with the plane of the contact plate of the side charging device in a non-parallel way, the contact area is unstable, even the phenomenon of no contact exists, and the current transmission problem is further influenced.

SUMMERY OF THE UTILITY MODEL

To the defect that prior art exists, the utility model provides a flexible thimble device can effectively solve above-mentioned problem.

The utility model adopts the technical scheme as follows:

the utility model provides a flexible thimble device, include: the insulation structure comprises a first insulation plate (100), an insulation shell (200), a second insulation plate (300) and four groups of flexible thimble expansion units (400);

the structure of flexible thimble telescoping unit (400) of every group is the same, all includes: the device comprises a sliding sleeve (401), a thimble (402), a spring (403), a first stud assembly (404), a braided wire (405) and a second stud assembly (406);

the first insulating plate (100) is fixedly arranged below the insulating shell (200); a cylindrical cavity (201) is formed in the insulation shell (200); the spring (403) is arranged at the top of the cylindrical cavity (201); the bottom end of the ejector pin (402) is positioned below the first insulating plate (100), and the top end of the ejector pin (402) passes through the spring (403) and then extends to the upper part of the insulating shell (200); the lower part of the thimble (402) is sleeved with the sliding sleeve (401);

the second insulating plate (300) is arranged above the insulating shell (200);

one end of the braided wire (405) is electrically connected with the top end of the thimble (402) through the first stud component (404); the other end of the braided wire (405) is fixedly connected with the second insulating plate (300) through the second stud assembly (406).

Preferably, a retaining ring (407) is fixed on the periphery of the center of the thimble (402); the spring (403) is sleeved in the thimble area above the retaining ring (407); the thimble area below the retaining ring (407) is sleeved with the sliding sleeve (401).

Preferably, the braided wire (405) includes a braided wire body (4051), a first end (4052), and a second end (4053); one end of the braided wire body (4051) is electrically provided with the first end (4052); the other end of the braided wire body (4051) is electrically provided with the second end (4053);

the first terminal (4052) and the second terminal (4053) are both electrically conductive.

Preferably, after the first end (4052) is contacted with the top surface of the thimble (402), the first end is connected and fixed by using the first stud component (404);

the second end (4053) is secured to the second insulator plate (300) by the second stud assembly (406).

The utility model provides a flexible thimble device has following advantage:

the utility model discloses fine solution large-scale side charging device during operation, the problem that the conductive contact surface of head and the conductive contact surface of current-collecting device are not parallel charges, and the springiness cushioning problem of contact to guarantee side charging device rapid stabilization's realization function of charging.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a flexible thimble device provided by the present invention at an angle;

fig. 2 is a schematic perspective view of the flexible thimble device provided by the present invention at another angle;

fig. 3 is a front view of the flexible thimble device provided by the present invention;

fig. 4 is a side view of the flexible thimble device provided by the present invention;

fig. 5 is a sectional view of the flexible thimble device provided in the present invention;

fig. 6 is an exploded view of the flexible thimble device provided in the present invention.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The utility model aims at providing a flexible adjustment mechanism of side direction charging device's electrically conductive thimble for solving the unstable problem of electrically conductive row overlap area size that side direction charging device and vehicle powered device direct current charge.

Referring to fig. 1-6, the present invention provides a flexible thimble device, including: a first insulating plate 100, an insulating case 200, a second insulating plate 300, and four sets of flexible thimble retracting units 400;

the structure of each group of flexible thimble telescoping units 400 is the same, and all includes: sliding sleeve 401, thimble 402, spring 403, first stud assembly 404, braided wire 405, and second stud assembly 406;

a first insulating plate 100 is fixedly installed below the insulating case 200; a cylindrical cavity 201 is formed in the insulation shell 200; a spring 403 is arranged at the top of the cylindrical cavity 201; the bottom end of thimble 402 is located below first insulating plate 100, and the top end of thimble 402 passes through spring 403 and then extends to above insulating shell 200; a sliding sleeve 401 is sleeved outside the lower part of the thimble 402; specifically, a retaining ring 407 is fixed on the periphery of the center of the thimble 402; a spring 403 is sleeved on the thimble area above the retaining ring 407; the thimble area below the retaining ring 407 is sleeved with the sliding sleeve 401.

A second insulating plate 300 is disposed above the insulating case 200;

one end of braided wire 405 is electrically connected to the top end of thimble 402 through first stud assembly 404; the other end of the braided wire 405 is fixedly connected with the second insulating plate 300 through a second stud assembly 406.

Specifically, the braided wire 405 includes a braided wire body 4051, a first end 4052, and a second end 4053; one end of the braided wire body 4051 is electrically provided with a first end 4052; the other end of the braided wire body 4051 is electrically provided with a second end 4053;

both the first and

second ends

4052, 4053 are electrically conductive material, e.g., copper material.

After first end 4052 contacts the top surface of thimble 402, it is fixed by first stud assembly 404;

second end 4053 is secured to second insulator plate 300 by second stud assemblies 406.

Wherein:

the first insulating plate 100 and the second insulating plate 300 play an insulating supporting role, the ejector pins 402 and the sliding sleeve 401 can be adjusted in the first insulating plate 100 and the insulating shell 200 in a telescopic mode, wherein the sliding sleeve 401 plays a lubricating role when the ejector pins 402 move, the springs 403 provide acting force required by ejector pin resetting, and the braided wire 405 can achieve electric conduction, flexible buffering and unloading of excessive bending force of the EV cable.

The utility model provides a flexible thimble device, its principle does:

the first insulating plate 100 and the insulating shell 200 wrap the sliding sleeve 401, the ejector pins 402 and the springs 403; the first insulating plate 100 and the insulating shell 200 are fixedly connected through a screw assembly A, meanwhile, the first insulating plate 100 is fixed on a side charging device, and the ejector pin 402 and the sliding sleeve 401 can compress the spring to generate displacement under the action of external force, so that the telescopic function of the ejector pin is realized;

in addition: second end 4053 of braided wire 405 is fixed by second insulating plate 300 and first stud assembly 404, and first end 4052 of braided wire 405 and thimble 402 are fixed together by first stud assembly 404; the first insulating plate 100, the insulating case 200, and the second insulating plate 300 are fixed to the side charging device and cannot be displaced relative to each other.

In the utility model, the thimble 402 is fixed with the first end 4052 of the braided wire 405, and the second end 4053 of the braided wire 405 is fixed on the second insulating plate 300, therefore, the position of the second end 4053 of the braided wire 405 is fixed; thus, when needle 402 is retracted by an external force, on the one hand, needle 402 moves to compress spring 403; on the other hand, the thimble 402 drives the first end 4052 of the braided wire 405 to move synchronously, and the second end 4053 of the braided wire 405 is fixed, so that the effect of bending and deforming the braided wire 405 along with the movement is realized, and the bending force of the braided wire is obviously smaller than that of the EV cable through tests; when the external force is removed, thimble 402 returns to its original position under the action of spring 403 and braided wire 405.

In a specific implementation, the pins 402 of the flexible pin device are used to contact the side charging device contact plate; for the second stud assembly 406, which comprises a stud and a nut, the nut is rotated, one end of the connection terminal is wound outside the stud, and then the nut is screwed down, so that one end of the connection terminal is in contact with the second end 4053 of the braided wire 405, and further, the connection is electrically performed; the other end of the connecting terminal is connected to a vehicle power receiving touch panel;

the following conductive paths are thereby realized: the current of the side charging device contact plate passes through the thimble 402 and the braided wire 405, and then is connected with the vehicle power receiving contact plate through a cable.

The utility model discloses a flexible thimble device is located the first top that charges of the automatic charging device in side, adopts multiple material to realize.

Because thimble 402 is connected with the second end 4053 of braided wire through the braided wire body, and the second end 4053 rigidity of braided wire to be used for being connected by the touch panel with the vehicle, consequently, the flexible buffer can be realized to the braided wire body, realizes automatic adjustment thimble adaptation slope contact surface and compromise the effect of realizing the flexible buffer, in order to be suitable for charging device and to receive the device contact surface non-parallel condition.

This thimble telescoping device, when the first level that charges that fills when the side stretches out contact vehicle powered device receives the electric copper, deformation of different degree takes place for four inside springs, and the braided wire increases bending deformation simultaneously to can realize the elastic shrinkage of thimble, simultaneously because the braided wire has replaced original big square EV cable, and then have more soft bending force and have taken up usage space still less, make side direction charging device and car end powered device form good stable faying surface.

The utility model is suitable for a floating and angle self-adaptation's mechanical device when side charging device and current-collecting device contact, including whole material lectotype, angle adaptation structure, spring adjustment structure, braided wire electrically conductive connection unload the power structure; the structure can realize the face-to-face contact of two planes with a certain included angle and the buffer action when the two planes are contacted. The fine solution of this application large-scale side charging device during operation, the problem that the conductive contact surface of the head that charges is not parallel with the conductive contact surface of power receiving device to reach the elastic buffer problem of contact to guarantee side charging device fast and stable's realization function of charging.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be viewed as the protection scope of the present invention.

Claims

1. A flexible thimble device is characterized by comprising: the insulation structure comprises a first insulation plate (100), an insulation shell (200), a second insulation plate (300) and four groups of flexible thimble expansion units (400);

the first insulating plate (100) is fixedly arranged below the insulating shell (200); a cylindrical cavity (201) is formed in the insulating shell (200); the spring (403) is arranged at the top of the cylindrical cavity (201); the bottom end of the ejector pin (402) is positioned below the first insulating plate (100), and the top end of the ejector pin (402) passes through the spring (403) and then extends to the upper part of the insulating shell (200); the sliding sleeve (401) is sleeved outside the lower part of the thimble (402);

the second insulating plate (300) is arranged above the insulating shell (200);

2. The flexible ejector pin device according to claim 1, wherein a central outer periphery of said ejector pin (402) is fixed with a retaining ring (407); the spring (403) is sleeved in the thimble area above the retaining ring (407); the thimble area below the retaining ring (407) is sleeved with the sliding sleeve (401).

3. The flexible ejector pin device of claim 1, wherein the braided wire (405) comprises a braided wire body (4051), a first end (4052) and a second end (4053); one end of the braided wire body (4051) is electrically provided with the first end (4052); the other end of the braided wire body (4051) is electrically provided with the second end (4053);

4. The flexible ejector pin device according to claim 3, wherein after the first end (4052) contacts with the top surface of the ejector pin (402), the first end is fixedly connected with the first stud component (404);

the second end head (4053) is secured to the second insulator plate (300) by the second stud assembly (406).