TWM568546U - Winch retracting and releasing device - Google Patents

Abstract

The present invention aims to solve the problem in the prior art that the car seat harness is exposed, affecting the cleanliness of the cabin, resulting in insufficient foot space of the driver and passenger, affecting the car experience of the driver and passenger, and may cause the driver and passenger to get an electric shock. Security risks. To this end, the winch retracting device of the present invention includes a first winch for accommodating a wire harness, a winch case pivotally coupled to the first winch, and a first end connected to the first winch and the other end connected to the winch case A spring spring, the first winch can accommodate the wire harness into the winch box under the action of the first spring spring, and the wire harness is pulled out of the winch box by an external force when the wire harness is needed. Therefore, the winch retracting device of the present invention ensures the cleanliness of the car cabin and the safety of the driver and passenger, and obviously optimizes the car experience of the driver and passenger.

Description

Winch retracting device

The invention belongs to the field of retracting and releasing wire harnesses, and specifically provides a winch retracting device.

Modern cars are increasingly pursuing humanity and diversity. In order to improve the user experience, such as improving the adjustment stroke of the seat and adjusting the sitting posture of the occupants, the comfort of the occupants in the car cockpit and the interaction between the occupants and the passengers can be realized. Car seats are usually provided in the form of a growing rail seat. Common long rail seats generally travel from 300mm to 500mm. The adjustment types are divided into front and rear adjustment, left and right adjustment, rotary adjustment and multi-directional adjustment. At the same time, other electric components on the seat such as seat side airbag and electric backrest adjustment, Electric seat cushion adjustment, electric heating, etc. are required to be supplied by the wire harness, which makes the car seat equipped with the long-stroke harness in the process of front-rear adjustment, the wire harness is often exposed, especially at the end of the wire bundle fixed to the vehicle body. When the ends of the harness fixed to the seat are short, the exposed harness will be long, which seriously affects the cleanliness of the cockpit.

Further, due to the long exposed wire harness, the occupant's foot space is insufficient, and may even be entangled with the occupant's foot, thereby affecting the occupant's car experience when the seat needs to be adjusted again, and may exist Drivers and crews have a safety hazard.

Accordingly, there is a need in the art for a wire harness retracting device to address the above problems.

In order to solve the above problems in the prior art, in order to solve the problem in the prior art that the car seat harness is exposed, affecting the cleanliness of the cabin, the driver's foot space is insufficient, and may even be entangled with the driver's foot. Therefore, when the seat needs to be adjusted again, the occupant's car experience is affected, and there may be a safety hazard that causes the occupant to get an electric shock. The present invention provides a winch retracting device, the winch retracting device includes: a winch box; a winch disposed in the winch box, and the first winch is pivotable relative to the winch box; the winch retracting device further includes a return spring, the return spring being disposed on the winch box and the Between the first winches, and under the action of the return spring, the first winch can wrap the wire bundle around the first winch.

In a preferred embodiment of the above-mentioned winch retracting device, the winch retracting device further includes a rotating shaft, the rotating shaft is disposed in the winch box, and the rotating shaft is pivotally connected with the winch box, and the rotating shaft is The first winch is coaxially fixed.

In a preferred embodiment of the above-mentioned winch retracting device, a guide groove is disposed in the winch case, wherein one end of the return spring is provided with a guide post, and the guide post is slidable in the guide groove, The other end of the return spring is coupled to the rotating shaft.

In a preferred embodiment of the winch retracting device, the return spring is a spring.

In a preferred embodiment of the above-described winch retracting device, the winch box is provided with a mounting position that allows the winch box to be fixed to the member to be mounted.

In a preferred embodiment of the winch retracting device, the to-be-mounted component is a movable seat disposed in the vehicle body.

In a preferred embodiment of the above-mentioned winch retracting device, the winch case is provided with a first opening through which the wire harness is housed to/from the winch box, and the wire harness passes through In the case where the first opening is pulled out of the winch box, the wire harness can protrude into the vehicle body.

In a preferred embodiment of the winch retracting device, the winch box is further provided with a guiding wheel for guiding the wire harness to be received/pulled out of the winch box through the first opening.

In a preferred technical solution of the above-mentioned winch retracting device, a second winch is further disposed in the winch box, and the second winch is disposed coaxially with the first winch, and the wire harness includes an outer sleeve with a harness sleeve a first portion and a bare second portion, wherein the first winch is for receiving the outer sleeve and the first portion of the harness sleeve; wherein the second winch is for receiving the bare second portion.

In a preferred embodiment of the above-described winch retracting device, the winch box is further provided with a second opening through which the bare second portion can be received to/from the winch box.

It can be understood by those skilled in the art that in the preferred technical solution of the present invention, the first winch is coaxially fixed with the rotating shaft, the rotating shaft is pivotally connected with the winch box, one end of the spring is connected with the rotating shaft, and the other end of the spring is connected. The winch box is connected, and the other end of the spring is slidable in a guide groove provided on the cap box, so that the space of the spring spring can be reduced when the spring is wound and tightened. One end of the harness sleeve outside the harness is connected to the first winch, and the other end of the harness sleeve is led out through the first opening, and the harness is sleeved by the spring spring and can be received by the first winch into the winch box when the harness is When necessary, the harness is pulled out by an external force. Further, in order to reduce the resistance when the harness sleeve is pulled out, the winch box is further connected with a guide wheel at the first opening, and the guide sleeve can be guided to the harness sleeve during being pulled out or stored. .

Further, the second winch is disposed coaxially with the first winch for winding the second portion of the wire harness in the winch case to prevent the second winch from being twisted by the first winch due to the second portion of the wire harness in the winch case being too long.

Therefore, the winch retracting device of the present invention can store the excess wire harness, and the wire harness can be pulled out from the winch box by an external force when needed, thereby ensuring the cleanliness of the car cabin and the safety of the driver and passenger. The car experience of the driver and passenger is clearly optimized.

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention, and are not intended to limit the scope of protection of the present invention. For example, although the specification is described with reference to the accompanying drawings, the winch retracting device of the present invention is exemplified by a car seat, but the winch retracting device of the present invention can be applied to at least a movable seat such as a yacht, a high-speed rail, or a train. On the device, those skilled in the art can adjust it according to the needs to adapt to the specific application, and the adjusted technical solution will still fall within the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. The terminology of the orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, which is merely for convenience of description, and does not indicate or imply that the device or component must have a specific orientation, constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In addition, it should be noted that in the description of the present invention, the terms "installation", "connected", and "connected" are to be understood broadly, and may be, for example, a fixed connection, or a It is a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and may be internal communication between the two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

As shown in FIG. 1 to FIG. 4, the winch retracting device of the present invention mainly comprises a winch casing 1, a first winch 2, a first spring spring 3, a wire harness 4, a harness sleeve 5, a guide wheel 6, and a rotating shaft 7. The winch case 1 further includes a mounting position 11, a first opening 12, a second opening 13, and a guiding groove 14. The winch case 1 can be fixed to the movable seat of the automobile body by bolts through holes in the mounting position 11, or the winch case 1 can be mounted to other positions of the car body as needed by those skilled in the art. Further, those skilled in the art can also mount the winch case 1 to other parts to be mounted having similar application scenarios, such as a machine tool having a long wire harness, as needed.

As shown in FIGS. 2 to 4, the rotating shaft 7 is pivotally connected to the winch casing 1, and the first winch 2 is coaxially fixedly coupled to the rotating shaft 7, so that the first winch 2 can freely rotate relative to the winch casing 1. Further, the harness sleeve 5 is sleeved on the outer side of the wire harness 4, so that the wire harness 4 is divided into a first portion (not shown) and a bare second portion of the harness sleeve 5 (not shown in the figure, away from the vehicle body) One side). The harness sleeve 5 is preferably a metal chain structure, or the material and structure of the harness sleeve 5 can be appropriately adjusted as needed by those skilled in the art. One end of the harness sleeve 5 is connected to the first winch 2 so as to be able to wind the harness sleeve 5 around the first winch 2, and the other end of the harness sleeve 5 is fixedly connected to the body of the automobile through the first opening 12, so that the harness The sleeve 5 can protect the wire harness 4 from the phenomenon that the wire harness 4 is broken due to over-drawing. 2 to 3, a portion of the wire harness 4 that protrudes from the harness sleeve 5 is a second portion of the wire harness 4, the second portion is connected to the movable seat through the second opening 13, and the other end of the wire harness 4 is connected to the automobile The body is connected, and the wire harness 4 is mainly used to supply electric energy to components such as motors, heaters, airbags and sensors on the movable seat and to transmit corresponding signals from the car.

As shown in FIG. 3 and FIG. 4, one end of the first spring spring 3 is connected to one end of the rotating shaft 7 (the right end of the rotating shaft 7 in FIG. 4), and the other end of the first spring spring 3 is provided with a guiding column (in the figure) Not shown), the guide post is slidably disposed within the guide slot 14. When the first spring spring 3 is wound and tightened, the other end of the first spring spring 3 can slide along the guiding groove 14 in the direction of the axis of the rotating shaft 7 through the guiding post, thereby reducing the first spring spring 3 Take up space. When the first spring spring 3 is relaxed, the other end of the first spring spring 3 is returned to the original position along the guiding groove 14 through the guiding column under the action of its own restoring force. Since the first spring spring 3 is coupled to the rotating shaft 7, the rotating shaft 7 is coaxially fixed to the first winch 2, so that the first spring 2 can be driven to rotate when the first spring spring 3 has a preload force. Preferably, when all the portions of the harness sleeve 5 that can be received are received into the winch box 1, the first spring spring 3 is wound tightly and the pre-tightening force reaches a maximum value so as to be accommodated in the winch box during the running of the automobile. The harness cover 5 in 1 is not shaken out of the winch case 1 by the road bumps.

It can be understood by those skilled in the art that the first winch 2 and the rotating shaft 7 may not be coaxially arranged and relatively rotated, or the first winch 2 may be directly pivotally connected with the winch 1 and then the first spring spring 3 One end is connected to the first winch 2, and the other end of the first spring spring 3 is connected to the winch case 1.

It will also be understood by those skilled in the art that the rotation of the first winch 2 can employ other forms of return springs, such as a helical spring that can be wound on the spindle 7, in addition to the first spring spring 3.

As shown in FIGS. 2 and 3, a guide wheel 6 is provided at a position on the winch case 1 near the first opening 12. When the harness cover 5 is pulled out or received into the winch case 1, one side of the harness sleeve 5 always abuts against the outer circumference of the guide wheel 6, and thus the guide wheel 6 is rotated. Therefore, the frictional force and noise when the harness sleeve 5 is pulled out or housed in the winch case 1 can be effectively reduced by the guide wheel 6.

As shown in FIG. 3 and FIG. 4, one end of the first winch 2 (the left end of the first winch 2 in FIG. 4) is provided with a second winch 8, and the first winch 2 and the second winch 8 are coaxially fixed, and the second winch 8 It is used to wind the bare second portion of the wire harness 4 which protrudes from the harness sleeve 5, preventing the wire harness 4 of the second portion from occupying too much space in the winch casing 1. In severe cases, the second portion of the wire harness 4 may even be entangled with the harness sleeve 5 in the winch box 1, thereby causing failure of the winch retracting device. A person skilled in the art can make the winding direction of the wire harness 4 of the second portion the same or opposite to the winding direction of the wire harness 4 that is sleeved with the wire harness sleeve 5 as needed, so that the wire harness 4 of the second portion and the wire harness 4 of the first portion can be It is tightened/relaxed by the synchronous winding, or the part of the wire harness 4 and the wire harness sleeve 5 are loosened when being wound up, and the wire harness sleeve 5 is wound and tightened when it is pulled out. Further, the outer circumferential diameters of the first winch 2 and the second winch 8 may be selected according to actual conditions, for example, according to the speed at which the two portions of the wire harness 4 are wound and tightened, so that the wire harness 4 in the first portion is all or large. When partially housed in the winch case 1, the second portion of the wire harness 4 can also be housed in the reel case 1.

As an alternative to the present invention, a person skilled in the art can also provide the second winch 8 in a structure that can be rotated relative to the first winch 2, for example, the second winch 8 is coaxially disposed on the rotating shaft 7, and the second is made The winch 8 is rotatable about the rotation shaft 7. Further, a second spring spring (not shown) is disposed between the second winch 8 and the winch 1, and one end of the second spring is connected to the second winch 8, so that the second spring is The other end is connected to the winch box 1, and in the normal state, the second spring spring has a certain pre-tightening force, so that the second spring spring can drive the second winch 8 to the inside of the winch box 1 by the pre-tightening force. The second part of the second part of the wire harness 4 is wound tightly.

As shown in FIG. 5, the figure shows the initial state in which the harness cover 5 of the winch retracting device of the present invention is mostly housed in the winch case 1, and the harness sleeve 5 is completely pulled out of the front state of the winch case 1 and In the post state.

It will be readily understood by those skilled in the art that the excess harness 4 under the mobile seat mounted in the body of the automobile can be accommodated by the winch retracting device of the present invention, and the wire harness 4 can be externally driven from the winch when necessary. The case 1 is pulled out, and a hidden track allowing the wire harness 4 to pass through can be buried under the carpet of the car. This ensures the cleanliness of the car's cabin and the safety of the drivers and passengers, and significantly optimizes the car experience for drivers and passengers. By way of example and not limitation, the winch retracting device described in the examples described above can be used for retracting a wire harness for use in a long rail seat as described in the Background section of the present application, in practical applications, for travel in The wire harness of the 300mm to 500mm long rail seat is also called long wire harness, but the application of the new winch retracting device is not limited thereto, and can also be used for retracting longer or shorter wire harnesses.

In addition, those skilled in the art can understand that the winch retracting device of the present invention can be applied to a movable seat of an automobile, and can be applied to any other occasion where the wire harness is too long to be retracted, for example, a retractable door. Wait.

Heretofore, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the drawings, but those skilled in the art will readily understand that the scope of the present invention is obviously not limited to the specific embodiments. Those skilled in the art can make equivalent changes or substitutions to the related technical features without departing from the principles of the present invention, and the technical solutions after the modifications or replacements fall within the scope of the present invention.

1‧‧‧ winch box

11‧‧‧Installation

12‧‧‧ first opening

13‧‧‧second opening

14‧‧‧ Guide groove

2‧‧‧First winch

3‧‧‧First spring

4‧‧‧ wiring harness

5‧‧‧ harness sets

6‧‧‧guide wheel

7‧‧‧ shaft

8‧‧‧second winch

1 is a schematic view showing the effect of the winch retracting device of the present invention; FIG. 2 is a first cross-sectional view of the winch retracting device of the present invention; FIG. 3 is a second cross-sectional view of the winch retracting device of the present invention; A cross-sectional view of the winch retracting device taken along line AA of FIG. 2; and FIG. 5 is a schematic view of the state of the winch retracting device of the present invention.

Claims (10)

A winch retracting device comprising: a winch box; and a first winch disposed in the winch box, and the first winch is pivotable relative to the winch box; wherein the winch retracting device a return spring, the return spring is disposed between the winch box and the first winch, and the first winch is capable of winding a wire harness around the first spring under the action of the return spring A winch. The winch retracting device of claim 1, wherein the winch retracting device further comprises a rotating shaft, the rotating shaft is disposed in the winch box, and the rotating shaft is pivotally connected with the winch box, The rotating shaft is fixed coaxially with the first winch. The winch retracting device of claim 2, wherein a guide groove is disposed in the winch case, wherein one end of the return spring is provided with a guide post, and the guide post is slidable in the guide groove The other end of the return spring is coupled to the rotating shaft. The winch retracting device of claim 3, wherein the return spring is a spring spring. The winch retracting device of claim 1, wherein the winch box is provided with a mounting position, the mounting position allowing the winch box to be fixed to a to-be-mounted member. The winch retracting device of claim 5, wherein the to-be-mounted component is a movable seat disposed in a vehicle body. The winch retracting device according to claim 6, wherein the winch case is provided with a first opening through which the wire harness is housed to/from the winch case, and passes through the wire harness In the case where the first opening is pulled out of the winch case, the wire harness can protrude into the vehicle body. The winch retracting device of claim 7, wherein the winch box is further provided with a guide wheel for guiding the wire harness to be received/pulled out of the winch case through the first opening. The winch retracting device according to any one of claims 1 to 8, wherein: the second capstan is further disposed in the capstan box, and the second capstan is disposed coaxially with the first capstan; the wire harness The outer sleeve includes a first portion of the harness sleeve and a bare second portion; wherein the first winch is for receiving the outer portion of the first portion of the harness sleeve; and wherein the second portion A winch is used to receive the bare second portion. The winch retracting device of claim 9, wherein the winch box is further provided with a second opening through which the bare second portion can be received to/from the winch box.