KR100784342B1 - A locking apparatus of side bar and cross bar in roof rack carrier - Google Patents

Abstract

A locking apparatus of a side bar and a cross bar of a roof carrier is provided to separate fixing members from grooves of the side bar by operating a button unit and move the cross bar. A locking apparatus of a side bar and a cross bar of a roof carrier includes a pair of side bars, cross bars(20), fixing members(30), a first elastic unit(32), a contact unit(34), and a button unit(40). The side bars have inner surfaces with grooves formed at a predetermined interval. The cross bars are joined to the side bars such that the cross bars are movable in forward and backward directions. The fixing members are arranged at both ends of the cross bars, and fitted into the grooves of the side bars such that the fixing members are detachable. The first elastic unit is joined to the fixing member so as to return the fixing member to the position of the groove. The contact unit is projected from the fixing member. The button unit has one end with a direction converting part(44) having a contact surface(46) inclined by a predetermined angle relatively to the movement direction of the fixing member. When the button unit is pushed toward the inside of the cross bar, the direction converting part moves the contact unit in a horizontal direction such that the fixing members are separated from the grooves of the side bars.

Description

A locking apparatus of side bar and cross bar in roof rack carrier

1 is a perspective view showing a use example of a sidebar and a crossbar of a conventional roof carrier.

2 is an exploded perspective view showing the locking device of the sidebar and crossbar of the conventional roof carrier.

Figure 3 is a plan view showing the locking device of the sidebar and crossbar of the roof carrier according to an embodiment of the present invention.

Figure 4 is a state diagram showing the operation of the locking device according to an embodiment of the present invention.

<Explanation of symbols for main parts of drawing>

10: sidebar 12: fixing groove

20: crossbar 22: moving roller

30: fixing member 32: first elastic portion

34: contact part 36: opposing contact surface

40: operation button portion 42: second elastic portion

44: turning portion 46: contact surface

100: connecting device 102: central link

104: pin 110: elastic member

120: support

The present invention relates to a loop carrier, and more particularly, to a side carrier crossbar locking device of a roof carrier, characterized in that the crossbar can be moved from a sidebar by operating one side operation button unit.

In general, a roof carrier is mounted on an upper part of a roof panel of a car in order to solve a problem of storage due to a narrow space of a car interior, and loads goods for leisure sports as well as other cargoes. Say what you can do.

 1 is a perspective view showing an example of use of a sidebar and crossbar of a conventional roof carrier, and FIG. 2 is an exploded perspective view showing a locking device of a sidebar and a crossbar of a conventional roof carrier.

As shown in FIG. 1, the conventional roof carrier 1 is mounted on the upper portion 2 of the roof panel of the vehicle, and the side bar 10 and the width of the vehicle, which are respectively installed at both sides in the longitudinal direction of the vehicle, Both ends in the direction has a structure including a cross bar (Cross bar) (20) connected to the side bar (10).

In the roof carrier 1, the crossbar 20 needs to be adjusted accordingly according to the size of the loaded cargo. Accordingly, there is a need for easy locking and unlocking of the crossbar 20 by one-man operation. do.

In order to solve the above problems, Korean Patent No. 060949 filed and registered with the Korean Patent Office, US 6,779,696 and US 6,131,782 has been proposed and registered.

This conventional crossbar is configured to be detached to the fixing groove 12 is formed in the sidebar at regular intervals as shown in Figure 2, the crossbar is coupled to the sidebar by the moving roller 22 to move forward and backward It is possible.

However, there is a problem in that a user cannot release both sides, or the release process is complicated, so that inconvenience of moving the crossbar exists, and it is difficult to manufacture by adopting a complicated structure and expensive production is required.

In order to solve this problem, the application No. 10-2006-0091192 filed to the Korean Intellectual Property Office by the present applicant has adopted a simple structure in which a pair of supports are fixed to a rotatable link connected to an elastic member. It has been proposed for the device.

However, the above-mentioned locking device also requires a large force when operating the button, and there is an inconvenience in button operation.

The present invention has been made to solve the above problems, the present invention has a basic object to provide a locking device of the sidebar and crossbar of the loop carrier that can be easily manufactured and reduced production cost by adopting a simple structure.

In addition to the above object, the present invention has another object to provide a locking device of the sidebar and crossbar of the loop carrier which is easy to operate the unlocking.

In order to achieve the above object, the present invention provides a sidebar and a crossbar of a roof carrier for locking sidebars respectively fixed to both sides in a longitudinal direction of the vehicle and a crossbar connected to both sidebars in the width direction of the vehicle. A locking device, comprising: a pair of side bars having a plurality of fixing grooves formed on an inner surface at a predetermined interval; A crossbar movably coupled back and forth to the pair of sidebars; A fixing member positioned at both ends of the crossbar, the fixing member being detachably coupled to the fixing groove of the sidebar; A first elastic part coupled to the fixing member to elastically return the fixing member to a coupling position of the fixing groove; A contact portion protruding from the fixing member; An operation button part having a contact surface inclined at a predetermined angle with a moving direction of the fixing member, the operation button part being formed at an end portion thereof, and when the operation button part is pushed into the crossbar, the direction change part horizontally moves the contact part. It is characterized in that the fixing member is configured to be separated from the fixing groove.

Here, the connecting device includes a central link rotatably fixed to the central portion inside the center of the crossbar; An elastic member having one end fixed to each of the center link and the crossbar to provide a restoring force; One end is fixed to the center link end and the other end is hinged to the fixing member, respectively, when one side is moved, the other side is a pair of support that is moved in reverse; characterized by consisting of.

In addition, the operation button portion is characterized in that it comprises a second elastic portion for providing an elastic force.

Finally, the contact portion is characterized in that the contact surface is inclined at an angle corresponding to the contact surface of the redirection portion is in contact with the contact surface.

Hereinafter, the locking device of the sidebar and crossbar of the loop carrier of the present invention will be described in detail with reference to the accompanying drawings.

Figure 3 is a plan view showing a locking device of the sidebar and crossbar of the roof carrier according to an embodiment of the present invention.

As shown, the present invention includes a sidebar 10, a crossbar 20, a fixing member 30, a first elastic portion 32, a contact portion 34, and an operation button portion 40.

The sidebar 10 and the crossbar 20 are the same in construction as the conventional roof rack shown in Figure 2, the sidebar 10 is fixed to both sides in the longitudinal direction of the car to the top of the car, respectively Both ends of the crossbar 20 are connected to the sidebar 10 in the width direction of the vehicle.

In addition, the sidebar 10 has a plurality of fixing grooves 12 are formed on the inner surface at regular intervals, the crossbar 20 is a rotary roller 22 is formed at the end of the pair of sidebar 10 Is coupled to move forward and backward.

Next, the fixing member 30 is positioned at both ends of the crossbar 20, and is coupled to the fixing groove 12 of the sidebar 10 to be detachably attached to the sidebar 10. The first elastic portion 32 is coupled to the fixing member 30 to elastically return the fixing member 30 to the coupling position of the fixing groove 12. .

In particular, the first elastic portion 32 is fixed to the fixing member 30 and the other side is fixed to the inside of the crossbar 20 by using a compression coil spring, the fixing member 30 is separated from the fixing groove When it is compressed to remove the load applied to the fixing member 30 to be fixed to the fixing member 30 and the fixing groove by the elastic force.

In addition, the contact portion 34 protrudes from the fixing member in the crossbar 20 to contact the operation button to serve to horizontally move the fixing member according to the movement of the operation button. 40 is formed at the end of the direction changing portion 44 having a contact surface 46 inclined at a predetermined angle with the direction of movement of the fixing member 30, a part protrudes on both ends of the crossbar 20, respectively It is preferable to combine.

When the operation button 40 is pushed into the crossbar 20, the turning part 44 horizontally moves the contact portion 34 to the center of the crossbar 20 to fix the fixing member 30. It is configured to be separated from the (12).

In addition, the operation button 40 is preferably configured to include a second elastic portion 42 for providing an elastic force to automatically return by the elastic force.

In addition, the contact portion 34 is formed to face the contact surface 46 inclined at an angle corresponding to the contact surface 46 of the redirection portion 44 so as to contact the contact surface 46, the operation button portion ( It is preferable that the fixing member be configured to move smoothly according to the movement of 40).

In addition, the present invention is configured to include a connecting device 100 for connecting the both side fixing member 30 in the crossbar (10).

The connecting device 100 serves to guide the movement of the fixing member of one side to the movement of the other fixing member, the central link 102 and the elastic member 110 is fixed to the center portion rotatably inside the center of the crossbar. ) And the support 120 is preferable.

First, the center link 102 is pivotally coupled to a pin 104 formed at the inner center of the crossbar 20, and the elastic member 110 is connected to the crossbar 20 and the center link 102. One end is fixed to each one) serves to provide an elastic force according to the rotation of the central link (102). The elastic member 120 is preferably composed of a spiral spring or coil coil as shown in FIG.

Next, the support 120 has one end fixed to the central link 102 and the other end connected to the fixing member 110 to connect the movement of the one fixing member 30 to the other fixing member. .

In addition, the support 120 is made of a rigid body, unlike the wire used conventionally as a connecting member, and is fixed to the end of the central link 102, so that the other side can be coupled or released only by one operation.

Hereinafter will be described the specific operation of the present invention.

Figure 4 is a state diagram showing the operation of the locking device according to an embodiment of the present invention.

As shown in Figure 4 (a) shows a state in which the fixing member is separated from the fixing groove of the sidebar by the user's operation into the crossbar, Figure 4 (b) is due to the elastic force of the elastic member The fixing member protrudes to the outside of the crossbar again and is fixed to the fixing groove of the sidebar.

Here, when the user presses the operation button of the side described above to move the position of the crossbar, the contact portion protruding from the fixing member is moved to the center of the crossbar to separate the one side fixing member from the fixing groove.

Here, the angle formed between the contact surface and the opposing contact surface formed on the operation button portion and the contact portion with the movement direction of the fixing member is calculated by calculating the movement distance of the operation button portion and the movement distance of the fixing member to press the operation button portion to fix the fixing member completely. It is preferable to be configured to be separated from the groove.

After removing the force acting on the operation button part after moving the crossbar, as shown in (b) of FIG. 4, the fixing member connected to the support by the elastic force of the elastic member fixed to the center link is again fixed to the sidebar. To secure the crossbar.

Supports fixed at both ends of the center link fixed to the center of the crossbar are moved to one side and the other side is rotated oppositely and at the same time both supports are moved to the center of the crossbar.

Therefore, the fixing member fixed to both side support is released at the same time with the fixing groove of the sidebar, it is possible to move the crossbar by only one operation.

As described above, it can be seen that the present invention has a basic technical idea to provide a locking device for the sidebar and the crossbar of the loop carrier which can be easily moved by separating the crossbar from the sidebar by operating one side operation button part. Of course, within the scope of the same basic idea of the present invention, many other modifications are possible to those skilled in the art.

As described above, the present invention adopts a simple structure using a connecting device, an operation button part, and a fixing member, thereby reducing the production cost and providing a locking device for the sidebar and crossbar of the roof carrier, which are easy to manufacture. have.

In addition, the present invention can provide a locking device of the sidebar and the crossbar of the roof carrier can be easily operated by pressing the operation button of one side to separate the both sides of the fixing member at the same time with the fixing groove of the sidebar to move the crossbar. There is an advantage.

Claims (5)

In the locking device of the sidebar and the crossbar of the roof carrier to lock the sidebar is fixed to both sides in the longitudinal direction of the car on the upper portion of the vehicle and the crossbar connected to the sidebar at both ends in the width direction of the vehicle, A pair of side bars having a plurality of fixing grooves formed on the inner surface at predetermined intervals; A crossbar movably coupled back and forth to the pair of sidebars; A fixing member positioned at both ends of the crossbar, the fixing member being detachably coupled to the fixing groove of the sidebar; A first elastic part coupled to the fixing member to elastically return the fixing member to a coupling position of the fixing groove; A contact portion protruding from the fixing member; An operation button part having a contact surface inclined at a predetermined angle with a moving direction of the fixing member, the operation button part being formed at an end portion thereof, and when the operation button part is pushed into the crossbar, the direction change part horizontally moves the contact part. Locking device of the sidebar and crossbar of the roof carrier, characterized in that the fixing member is separated from the fixing groove. The method of claim 1, Locking device of the sidebar and the crossbar of the roof carrier, characterized in that it comprises a connecting device for connecting both sides of the fixing member inside the crossbar. The method of claim 2, The connecting device, A central link rotatably fixed to a central portion within the center of the crossbar; An elastic member having one end fixed to each of the center link and the crossbar to provide a restoring force; Locking device of the sidebar and crossbar of the loop carrier, characterized in that the end is fixed to the center link end and the other end is hinged to the fixing member, respectively, and one side is moved to the other side is moved oppositely; . The method of claim 1, The operation button unit, Locking device of the sidebar and crossbar of the loop carrier, characterized in that it comprises a second elastic portion for providing an elastic force. The method of claim 1, The contact portion, Locking device of the sidebar and cross bar of the loop carrier, characterized in that the opposite contact surface inclined at an angle corresponding to the contact surface of the redirection unit is in contact with the contact surface.

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