KR20180128760A - Air vent provided with control knob - Google Patents

Abstract

An air vent provided with a control knob according to an embodiment of the present invention includes: a housing communicating with an air duct for supplying air; the control knob rotatably installed while passing through the housing; a connecting rod having one end engaged with an end of a control rod integrally rotated with the control knob and reciprocating in both directions by the rotation of the control rod; first, second and third pivot shafts having a length in a width direction inside the housing and arranged in parallel to each other, the first, second and third pivot shafts being sequentially arranged from an outside to an air duct of the housing; a guide plate having a first guide gear rotatably mounted around a mount part formed on one end in a longitudinal direction of the first pivot shaft; a first guide extension part extending from the guide plate and hinged to the connecting rod; a second guide gear formed on an end of the second pivot shaft in a longitudinal direction thereof and engaged with the first guide gear; a link shaft rotatably formed on a side surface of the housing; and first and second links extending from the link shaft to both sides, wherein the first link is slidably coupled with a third link coaxially formed on an end of the third pivot shaft, and the second link is coupled to the second guide extension part of the guide plate to slide along a guide groove formed in a thickness direction.

Description

AIR VENT PROVIDED WITH CONTROL KNOB < RTI ID = 0.0 >

The present invention relates to an air vent having an adjustment knob, and more particularly to an air vent having an adjustment knob capable of reducing the overall size.

An air conditioner is provided in the vehicle for generating warm or cool air for cooling and heating to supply the air to the room or to keep the interior of the vehicle in a pleasant condition at all times regardless of the external environment.

In addition, such an air conditioner is also used for safe driving by eliminating the windshield glass and frost generated in the windshield when the outside temperature is low, such as during the rainy season or winter season.

Typically, the air conditioner comprises an inside / outside unit for sucking outside air or inside air and supplying the inside / outside unit to the air conditioning case, and an air conditioner case in which an evaporator and a heater core are sequentially installed inside to heat or cool the air, .

The air cooled or heated by the air conditioner is supplied to the inside of the vehicle via the vehicle air vent communicated with the air conditioner case, so that the inside of the vehicle is cooled and heated.

The structure of a typical vehicle air vent includes a housing of a certain type in which the air cooled or heated flows therein, a plurality of horizontally and vertically arranged air ducts arranged in the front of the housing for controlling the direction of air discharged through the housing, And a vertical baffle member.

However, since each of the horizontal baffle and the vertical baffle are formed so as to intersect with each other, the overall size of the horizontal baffle and the vertical baffle are increased, and a wide installation space is required.

In addition, since the width size and the length in the front-rear direction are increased, the energy of the air supplied from the air conditioner is lost, thereby lowering the air conditioning efficiency.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an air vent having a control knob that can reduce the size and minimize energy loss in the air.

According to an aspect of the present invention, there is provided an air conditioner comprising: a housing communicating with an air duct for supplying air; a control knob rotatably installed through the housing; The connecting rod having one end coupled to the end portion and reciprocating in both directions by the rotation of the adjusting rod, the connecting rod having a length along the width direction inside the housing and arranged in parallel to each other, and sequentially from the outside to the air duct side of the housing A guide plate having first, second and third pivot shafts, a first guide gear rotatably mounted on a mount portion formed at one end along a longitudinal direction of the first pivot shaft, a guide plate extending from the guide plate, A first guide extension hinged to the connecting rod, a second guide extension extending along the longitudinal direction of the second pivot shaft And a link shaft formed to be rotatable on a side surface of the housing and includes a first link and a second link extending to both sides from the link shaft Wherein the first link is slidably coupled to a third link coaxially formed at an end of the third pivot shaft and the second link is coupled to a second guide extension of the guide plate along a guide groove formed in the thickness direction The air vent having an adjustment knob coupled to be slidably engaged.

In one embodiment, the first link is formed to penetrate in the thickness direction, and a curved groove curved convexly toward one side along the height direction of the first link is formed, The protruding protrusion can be inserted into the guide groove and slid.

In one embodiment, the guide gear is formed in an arcuate shape, and the guide gear may include a plurality of gear teeth.

In one embodiment, a driving bevel gear is formed at an end of the adjusting rod, and rotational force of the adjusting rod can be transmitted to the connecting rod through a driven bevel gear engaged with the driving bevel gear.

In one embodiment, the first pivot shaft may include a first windshield control member fixed to rotate integrally with the first pivot shaft, and vertically controlling the wind direction according to the rotation of the first pivot shaft.

In one embodiment, the first pivot shaft includes a second pivot shaft fixed to the second pivot shaft and rotated integrally with the second pivot shaft, and may be rotated in a direction opposite to the rotation direction of the first pivot shaft.

In one embodiment, the opening / closing member may be fixed to rotate integrally with the third pivot shaft, and may open / close the inside of the housing in accordance with rotation of the third pivot shaft.

According to an aspect of the present invention, the height of the air vent can be minimized.

Also, by reducing the size of the air vent, it is possible to prevent air energy loss.

In addition, since the first, second, and third wind direction control members, which are exposed to the outside and are rotationally driven, are disposed inside the housing, a slim design can be made apparently.

It should be understood that the effects of the present invention are not limited to the above effects and include all effects that can be deduced from the detailed description of the present invention or the configuration of the invention described in the claims.

FIG. 1 shows a state in which an air vent having a control knob according to an embodiment of the present invention is mounted inside a vehicle.
FIGS. 2 and 3 are perspective views illustrating a state in which an air vent having a control knob according to an embodiment of the present invention is separated from a vehicle. FIG.
FIGS. 4 through 7 illustrate an operation of an air vent having an adjustment knob according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

Throughout the specification, when a part is referred to as being "connected" to another part, it includes not only "directly connected" but also "indirectly connected" . Also, when an element is referred to as "comprising ", it means that it can include other elements, not excluding other elements unless specifically stated otherwise.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 illustrates a state in which an air vent having an adjusting knob according to an embodiment of the present invention is mounted inside a vehicle, and FIGS. 2 and 3 illustrate a state in which an air having an adjusting knob according to an embodiment of the present invention In which the vent is separated from the vehicle.

1 to 3, an air vent having an adjusting knob according to an embodiment of the present invention is located in a front panel 10 (instrument panel or center fascia) of a driver and a passenger inside a vehicle, So that warm or cool air can be generated and supplied to the room.

Further, the driver or the passenger can directly grasp and rotate the adjustment knob 103, which is rotated integrally with the adjustment rod 103a, so that the direction of the air supplied to the vehicle interior can be controlled up and down and left and right.

Further, as described later, the horizontal adjustment member 101 for adjusting the first direction control member 102 in the horizontal direction is formed, so that the driver or passenger can grasp the wind direction to adjust the wind direction in the horizontal direction.

An air vent having an adjusting rod according to an embodiment of the present invention includes a housing 11, an adjusting rod 103a, a connecting rod 106, a first pivot shaft 200, a second pivot shaft 300, 3 pivot shaft 400, a guide plate 110, a first guide extension part 111, a second guide extension part 112, a first guide gear 113, a second guide gear 120, 130).

The housing 11 communicates with an air duct (not shown) to receive cool air or warm air.

The air duct may be formed in a hollow shape having a substantially rectangular or polygonal cross section so as to supply the air ventilated through the inner space to the inside of the vehicle.

As an example, air introduced by a blower unit (not shown) is selectively passed through an evaporator through which a coolant flows or a heater core through which cooling water of a vehicle engine flows, The air conditioning system may be configured to cool or heat the vehicle interior by distributing the air in various directions in the interior of the vehicle in a cold or warm condition through an air vent communicated with the vehicle.

The cooling / heating cycle as described above is a well-known technology, and a detailed description thereof will be omitted.

The air sucked through the air duct can be supplied into the housing 11 mounted at the downstream end of the air duct.

The adjustment rod 103a may be installed to be rotatable through the front panel 10.

At this time, an adjustment knob 103 having a circular or polygonal cross section may be formed at an end exposed to the outside of the adjustment rod 103a so that the user can grip and rotate the adjustment rod 103a.

The driving bevel gear 104 is formed so as to rotate integrally with the driven bevel gear 105 formed at the end of the connecting rod 106, .

The driven bevel gear 105 may be formed to rotate integrally with the support shaft 105a formed on the rotation shaft.

The opposite end of the support shaft 105a along the longitudinal direction of the driven bevel gear 105 can be hinged to the connecting rod 106. [

Therefore, when the adjusting rod 103a is rotated, the rotational force of the adjusting rod 103a can be switched and transmitted in the vertical direction through the rotation of the driven bevel gear 104 and the driven bevel gear 105. [

Meanwhile, the first pivot shaft 200, the second pivot shaft 300, and the third pivot shaft 400 may have a length along the width direction within the housing 11, and may be disposed in parallel to each other.

In addition, the first, second, and third pivot shafts 200, 300, and 400 may be disposed in parallel with each other, and may be disposed sequentially from the outside toward the air duct side of the housing 11. [

The mounting portion 210 may be formed at one end of the first pivot shaft 200 along the longitudinal direction. Here, the mount portion 210 may refer to a portion where a guide plate 110 described later is integrally rotated.

The first guide gear 113 is rotated around the mount 210. The first guide extension portion 111 extends from the guide plate 110 and is connected to the connecting rod 106, And a second guide extension 112 slidable with respect to the second guide protrusion 132 may be formed.

The first guide gear 113 may be formed in an arcuate shape and the first guide gear 113 may have a plurality of gear teeth 113a on its surface.

The second guide gear 120 may be arranged to engage with the first guide gear 113.

The second guide gear 120 is disposed coaxially with the second pivot shaft 300 so that the first guide gear 113 is rotatably supported by the first pivot shaft 300, 102 are rotated.

A link shaft 130 parallel to the second pivot shaft 300 may be formed on the side surface of the housing 11. [

One end along the longitudinal direction of the link shaft 130 may have a rotation center so that the first link 131 and the second link 132 can be integrally rotated.

The first link 131 may be slidably coupled to a third link 401 formed coaxially with the end of the third pivot axis 400 and the second link 132 may be slidably coupled to the second And may be coupled to the guide extension 112 along the guide groove 111a formed in the thickness direction.

A protrusion 132a protruding along the thickness direction of the second link 132 may be formed in the guide groove 111a so as to protrude in the thickness direction of the second guide protrusion 112, (111a) so as to slide.

The guide groove 111a is formed in the bent portion 111b so that the guide groove 111a is relatively moved with respect to the end portion of the second link 132. In the course of sliding the protrusion 132a along the guide groove 111a, The rotation of the second link 132 can be stopped for a predetermined period of time while the guide plate 110 is rotated.

The first link 131 may be formed with a curved groove 131a penetrating in the thickness direction.

The curved groove 131a is curved convexly to one side along the height direction of the first link 131, so that the third link 401 can be guided so as to be pivotally rotated in both directions.

In other words, the third link 401 is disposed coaxially with the third pivot shaft 400 and is rotated, and the first link 131 is disposed coaxially with the link shaft 130 and rotated, The first link 401 and the first link 131 can be rotated in opposite directions by relative motion by the third link protrusion 402. [

The opening and closing member 410 fixed on the third pivot shaft 400 is rotated according to the rotation of the third link 401 so that the inside of the housing 11 can be opened and closed.

The operation of the air vent having the adjustment knob according to an embodiment of the present invention will now be described.

FIGS. 4 through 7 illustrate an operation of an air vent having an adjustment knob according to an embodiment of the present invention.

4, when the connecting rod 106 is moved upward by the rotation of the adjustment knob 103, the first guide extension portion 111 of the guide plate 110 is moved upward.

The first guide gear 113 is rotated in the counterclockwise direction and the first pivot shaft 200 is rotated in the counterclockwise direction when the first guide extension portion 111 is moved upward, So that the downstream air flow direction inside the housing 11 is controlled to be upward.

On the other hand, the second guide gear 120, which is engaged with the first guide gear 113, is rotated in the clockwise direction and the second pivot shaft 300 is rotated in the same direction, So that the upstream side wind direction inside the housing 11 is controlled downward in the drawing.

Therefore, it is possible to form a smooth upward flow along the first airflow control member 102 after the vortex is formed in the air flow guided downward by the second airflow control member 121.

5, when the connecting rod 106 is moved downward by the rotation of the adjusting knob 103 from the state of FIG. 4, the relative position between the second link 132 and the second guide extending portion 112 The rotation of the second link 132 is stopped for a predetermined time until the bending portion 111b of the guide groove 111a is reached.

In this process, the first windshield control member 102 is rotated to the state of FIG. 5 due to the rotation of the guide plate 110 in the clockwise direction, and the second guide gears The second pivot shaft 300 rotates in the counterclockwise direction by the rotation of the second pivot shaft 120 and the second pivot shaft 300 of the second pivot shaft 300 can be rotated to the state of FIG.

The first airflow control member 102 and the second airflow control member 121 are positioned in a straight line so as not to interfere with the air flow inside the housing 11, As shown in FIG.

6, when the connecting rod 106 is further lowered than the state shown in FIG. 5, the protrusion 132a of the second link 132 reaches the bent portion 111b, but the second link 132 ) Does not progress.

By rotating the guide plate 110 continuously in the clockwise direction, the first airflow control member 102 is placed to face downward, and the air flow direction in the downstream side in the housing 11 is directed downward.

At the same time, the second guide gear 120 is rotated counterclockwise so that the second pivot shaft 300 is rotated in the counterclockwise direction, whereby the second airflow control member 121 is placed in the state of FIG. 6, The air flow direction of the upstream side in the air inlet 11 is directed upward.

In other words, the second air-direction control member 121 is positioned to face upward, and the first air-direction control member 102 is positioned to face downward. After the vortex is formed by the second air- 1 airflow control member 102 can be discharged downward.

7, when the connecting rod 106 descends further than the state shown in FIG. 6, the protrusion 132a of the second link 132 passes through the bent portion 111b of the guide groove 111a At this time, the first link 131 and the second link 132 are rotated counterclockwise so that the third link 401, which is relatively rotated with the curved groove 131a, is rotated clockwise.

At this time, the third windshield control member 410 is rotated clockwise along with the third link 401 to completely close the inside of the housing 11. [

This makes it possible to stop the air exhaust operation inside the housing 11. [

Accordingly, the air vent having the adjustment knob according to the present embodiment can be rotated and controlled by only the rotation of the adjustment knob, by controlling the rotation of the first, second, and third wind direction control members 102, 121, 410 located inside the housing 11 The overall size of the air vent can be reduced.

It will be understood by those skilled in the art that the foregoing description of the present invention is for illustrative purposes only and that those of ordinary skill in the art can readily understand that various changes and modifications may be made without departing from the spirit or essential characteristics of the present invention. will be. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. For example, each component described as a single entity may be distributed and implemented, and components described as being distributed may also be implemented in a combined form.

The scope of the present invention is defined by the appended claims, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included within the scope of the present invention.

11: Housing
103a: Adjustable rod
103: Adjustment knob
106: connecting rod
110: guide plate
111: first guide extension part
112: second guide extension part
113: first guide gear
120: second guide gear
130: Link axis
131: first link
132: second link
200: first pivot axis
300: second pivot axis
400: third pivot axis
401: Third link

Claims (7)

A housing in communication with an air duct for supplying air;
An adjusting knob rotatably installed through the housing;
A connecting rod having one end engaged with an end of an adjusting rod integrally rotated with the adjusting knob and reciprocating in both directions by rotation of the adjusting rod;
First, second and third pivot shafts arranged in parallel to each other with a length along the width direction inside the housing and sequentially arranged from the outside to the air duct side of the housing;
A guide plate having a first guide gear rotatably mounted around a mount formed at one end along a longitudinal direction of the first pivot shaft;
A first guide extension extending from the guide plate and hinged to the connecting rod;
A second guide gear formed at an end portion along the longitudinal direction of the second pivot shaft, the second guide gear meshing with the first guide gear; And
And a link shaft rotatably formed on a side surface of the housing,
Wherein the first link is slidably engaged with a third link coaxially formed at an end of the third pivot shaft and the second link is slidably engaged with the guide, And an adjusting knob which is coupled to the second guide extension portion of the plate so as to slide along a guide groove formed in the thickness direction. The method according to claim 1,
A curved groove formed to penetrate the first link in the thickness direction and curved convexly toward one side along the height direction of the first link,
And a protrusion protruding in the thickness direction is inserted into the guide groove at the end of the second link and slid. The method according to claim 1,
Wherein the guide gear is formed in an arcuate shape, and the guide gear includes a plurality of gear teeth. The method according to claim 1,
Wherein a driving bevel gear is formed at an end of the adjusting rod and the rotational force of the adjusting rod is transmitted to the connecting rod via a driven bevel gear engaged with the driving bevel gear. The method according to claim 1,
And a first airflow control member fixed to rotate integrally with the first pivot shaft and controlling the airflow direction up and down according to rotation of the first pivot shaft. 6. The method of claim 5,
And a second wing control member fixed to the second pivot shaft and rotated integrally with the second pivot shaft, wherein the second wing control member is rotated in a direction opposite to the rotation direction of the first pivot shaft Air vent. The method according to claim 1,
And an opening / closing member fixed to rotate integrally with the third pivot shaft and opening / closing the inside of the housing in accordance with rotation of the third pivot shaft.

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