Register

Abstract

To provide a register capable of obtaining excellent directivity even having a structure arranging a projection part in a front upper part.SOLUTION: A register 1 is vertically arranging a sub ventilation path 25 and a main ventilation path 21 in a retainer 2. An air blow-out port 23 short in the vertical direction (the short direction) and slender in the lateral direction (the longer direction) is arranged in the downstream side end part of the main ventilation path 21. A projection part 24 integrated with an end part of an instrument panel is arranged in front above of an air blow-out port 23. A front fin 5 laterally tilting for adjusting the window direction and a vertically tilting rear fin 6 are longitudinally arranged in the main ventilation path 21, and an introduction port 26 and a sub blow-out port 27 are arranged in a sub ventilation path 25. An adjusting fin 7 is arranged in the introduction port 26 so as to take a part of a main air flow MA of the main ventilation path 21 in the sub ventilation path 25. The sub blow-out port 27 blows a sub air flow SA from above against the main air flow MA blown out from the air blow-out port 23.SELECTED DRAWING: Figure 7

Description

[Technical field]

[0001] The technical field of the register described in this specification relates to a register having an elongated air outlet, which is used as an air outlet for ventilation or air conditioning in an automobile interior or the like. [Background technology]

[0002] A cross-fin type register is widely used as an air outlet adjustment register in a vehicle cabin. In the register, front and rear fins are arranged in a retainer that forms an air passage, and the angle of the front and rear fins is changed to adjust the air outlet direction up, down, left and right when air is blown out from the air outlet. As this type of register, the following Patent Document 1 describes a register having an elongated air outlet that is long in the longitudinal direction and short in the lateral direction. This register is provided with a main air passage having an air outlet at the downstream end, and sub-air passages having sub-air outlets at the downstream end on both sides of the lateral direction of the main air passage, and the sub-air outlets are provided at an angle with respect to the main air passage so that they are closer to the air outlet as they are downstream, and the directionality of the air blown in the lateral direction is improved by blowing air from the sub-air outlets. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2013-133033 A Summary of the Invention [Problem to be solved by the invention]

[0004] On the other hand, from the viewpoint of aesthetics in the vehicle interior, there is a demand for the register to make the air outlet less visible from the passenger side without impairing the function of the register. In order to make the air outlet less visible, the register is connected to, for example, the lower part of a large instrument panel. However, when the conventional register described in Patent Document 1 is installed at the lower part of the instrument panel, a protrusion is provided in front of the air outlet and the protrusion is integrated with the end of the instrument panel. In this case, when blowing air, the Coanda effect causes the blown air to adhere to the protrusion or to flow along the protrusion, so that the blown air is blown in a neutral direction, or even if the blown air is adjusted downward, the blown air is unlikely to be directed downward. For this reason, the conventional register of this type has a problem that it is difficult to obtain good directivity according to the operation angle in the vertical direction.

[0005] The present invention has been made in consideration of the above-mentioned points, and aims to provide a register that can obtain good directivity even if it has a structure with a protrusion at the front upper part. [Means for solving the problem]

[0006] A register according to an embodiment of the present specification is a register in which a main ventilation passage and a sub-ventilation passage are provided within a retainer serving as a housing, an air outlet that is short in the vertical direction and elongated in the horizontal direction is provided at the front of the main ventilation passage, front fins that are rotatable in the horizontal direction and rear fins that are rotatable in the vertical direction are arranged in front and rear in the main ventilation passage, and a protrusion is provided above and in front of the air outlet, The secondary ventilation passage is provided above the main ventilation passage, and an inlet and a secondary air outlet are provided in the secondary ventilation passage. The inlet is provided so as to take in a part of the main air flow of the main ventilation passage into the sub-ventilation passage, and an adjustment fin that rotates in a vertical direction is provided at the inlet, The sub-air outlet is formed so as to blow the sub-air flow from above toward the main air flow blown out from the air outlet.

[0007] Here, the front and rear of the register refer to the downstream side where the conditioned air flows into the vehicle cabin, and the upstream side where the conditioned air is introduced, respectively. In addition, the protrusion may be formed by a part of the instrument panel, for example, when the register is installed in the lower part of the instrument panel. Regarding the rotation direction of the rear fin and the adjustment fin, upward means that the front side of the fin faces upward, and downward means that the front side of the fin faces downward.

[0008] The register according to the embodiment of the present specification adjusts the blowing direction of the main airflow from the air outlet up, down, left and right by rotating the rear fin and the front fin arranged in the main ventilation passage. For example, when the blowing direction is downward, the rear fin rotates up and down, and the adjustment fin rotates to introduce a part of the blowing air into the secondary ventilation passage, and the secondary airflow introduced into the secondary ventilation passage is blown from above toward the main airflow blown out from the air outlet. This makes it difficult for the Coanda effect, in which the airflow sticks to the protruding part located at the front upper part of the air outlet, to occur, and the blowing direction can be well blown downward without being pulled upward. The main airflow is peeled off from the protruding part and is not guided to the front upper side, and good directivity can be obtained. In other words, according to the register according to the embodiment of the present specification, good directivity can be obtained even if the structure has a protruding part provided at the front upper part.

[0009] Here, in the register, the rear fin and the adjustment fin are linked by a fin rotation adjustment mechanism, the fin rotation adjustment mechanism includes a rear fin lever portion that rotates the rear fin, an adjustment fin lever portion that rotates the adjustment fin, and a cam plate that links the rear fin lever portion and the adjustment fin lever portion, The fin rotation adjustment mechanism can be configured so that when the wind direction is adjusted upward by rotating the rear fin, the adjustment fin closes the inlet, and when the wind direction is adjusted downward, the adjustment fin rotates to open the inlet in accordance with the adjusted amount.

[0010] With this, when the air blowing direction is downward, the secondary airflow from the secondary air outlet can be blown from above into the main airflow from the air outlet, and good directionality can be obtained without the main airflow being detached from the protrusion and guided forward and upward.

[0011] In the register, the sub-air outlet may be arranged in front of the air outlet and spaced apart from the air outlet by approximately the opening width in the vertical direction.

[0012] This enables the directionality of the prepared air blown from the register to be further improved.

[0013] In addition, in the above-mentioned register, the opening width in the vertical direction of the air outlet is formed narrower than the vertical height of the main ventilation passage, and when the air blowing direction is adjusted downward, the rear fin can be configured to rotate upward.

[0014] In the register, an inclined surface is provided on each of the upper and lower inner sides of the air outlet so as to narrow the vertical width of the air outlet, When adjusting the airflow direction to be upward, the rear fin is directed downward, and the main airflow is made to hit the inclined surface on the lower inner side of the air outlet, thereby changing the airflow to be blown upward, When adjusting the airflow direction to downward, the rear fins can be directed upward and the main airflow can be hit against the inclined surface on the upper inside of the air outlet to change it to a downward airflow, and the adjustment fins can open the inlet port to allow the secondary airflow to flow into the secondary ventilation passage and press the secondary airflow against the main airflow from above to change it to a downward airflow.

[0015] With this, the main airflow that is contracted when the rear fins are swung up and down hits the inner inclined surface of the air outlet and is bent in the opposite direction to the up and down bending caused by the rear fins, so that the direction of the main airflow can be appropriately changed to the up and down direction. Effect of the Invention

[0016] According to the register of the present specification, even if the register has a structure in which a protrusion is provided on the upper front portion, good directivity can be obtained. [Brief description of the drawings]

[0017] [Figure 1] FIG. 2 is a front view of the register according to the embodiment. [Diagram 2] FIG. 2 is a perspective view of the register from the lower left front. [Diagram 3] FIG. [Figure 4] 1A is a plan view of the combined rear fin and adjustment fin of the register, (B) is a perspective view from the upper left front, and (C) is a left side view. [Diagram 5] 2A is a left side view of the register with the upper and lower airflow directions in a neutral state, and FIG. 2B is a cross-sectional view taken along line VV in FIG. 1 in that state. [Figure 6] 6A is a left side view of the register with the airflow direction tilted upwards, and FIG. 6B is a cross-sectional view taken along line VI-VI in FIG. 1 in that state. [Figure 7] 7A is a left side view of the register with the airflow direction tilted downward, and FIG. 7B is a cross-sectional view taken along line VII-VII in FIG. 1 in that state. [Figure 8] 13 is a graph showing the directional angle versus the operation angle in the up-down direction when the distance (DI) from air outlet 23 of the sub outlet is adjusted. FIG. [Figure 9] 13 is a graph showing the directional angle relative to the operation angle in the up-down direction when the contact angle α of the sub air outlet is adjusted. FIG. [Figure 10] 1 in a state in which the contact angle α of the sub-air outlet of the other embodiment is set to 105° and the air blowing direction of the register is tilted downward. FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0018] Hereinafter, a register according to an embodiment of the present specification will be described with reference to Figs. 1 to 9. The scope of the present invention is not limited to the scope disclosed in the embodiment. As shown in Figs. 5(B), 6(B) and 7(B), the register 1 according to the embodiment has a sub-ventilation passage 25 and a main ventilation passage 21 provided vertically in a retainer 2 through which conditioned air flows. As shown in Figs. 1 to 3, an air outlet 23 that is short in the vertical direction (short side direction) and elongated in the horizontal direction (longitudinal direction) is provided at the downstream end of the main ventilation passage 21. A protrusion 24 that is integrated with the end of the instrument panel is provided in front of and above the air outlet 23. In the main ventilation passage 21, a front fin 5 that tilts left and right to adjust the wind direction and a rear fin 6 that tilts up and down are arranged in the front and rear directions. An inlet 26 and a sub-ventilation passage 27 are provided in the sub-ventilation passage 25. The inlet 26 is provided to take in a part of the main airflow MA of the main airflow passage 21 into the secondary airflow passage 25, and an adjustment fin 7 that rotates in the vertical direction is provided at the inlet 26. The secondary air outlet 27 is formed to blow the secondary airflow SA from above toward the main airflow MA blown out from the air outlet 23.

[0019] In this specification, the orientation of the register 1 is as shown in Figures 2 and 3, with the side of the retainer 2 having the air outlet 23 defined as the front, and the side of the air inlet 22 of the main ventilation passage 21 in the retainer 2 defined as the rear. Up, down, left, right and up are defined as the top, bottom, left and right when the register is viewed from the front, and as used in the drawings, F indicates the front, B indicates the rear, U indicates the top, D indicates the bottom, L indicates the left, and R indicates the right. Also, based on the regulated air flow, the front may be expressed as the downstream side, and the rear as the upstream side. Furthermore, based on the main ventilation passage 21 or the secondary ventilation passage 25 in the retainer 2, the inside and outside may be expressed.

[0020] 5 to 7, the retainer 2, which serves as the housing of the register, is a generally rectangular cylindrical housing with a main ventilation passage 21 provided inside and a sub-ventilation passage 25 provided above the main ventilation passage 21. Fifteen front fins 5 for adjusting the air direction left and right are arranged on the downstream side (front side) of the main ventilation passage 21, and one rear fin 6 for adjusting the air direction up and down is arranged on the upstream side (rear side) thereof. The front fin 5 and rear fin 6 are arranged in perpendicular directions.

[0021] As shown in FIG. 3, the front fins 5 are arranged in a vertical direction with 15 fins spaced apart from each other, and each front fin 5 is supported by an axial hole 54a of a bearing plate 54 arranged vertically via an upper and lower support shaft 51 so as to be tiltable left and right. A connecting shaft 52 protruding from one end of the lower rear of each front fin 5 is connected to a connecting hole 53a of a link bar 53, so that all the front fins 5 can change their orientation left and right in synchronization. The front fins 5 are controlled by an electric motor (not shown) to control the wind direction left and right. The wind direction control left and right by the front fins 5 can also be performed manually.

[0022] 3 to 7, the rear fin 6 is disposed in the left-right direction behind the front fin 5 and is pivotally supported in shaft holes 64a of bearing plates 64 disposed on the left and right via left and right support shafts 61 so as to be tiltable up and down. A rear fin lever portion 81 for tilting the rear fin 6 is provided rearward from the support shaft 61 on the left support shaft 61, and when the front side of the rear fin 6 is tilted upward, the rear fin lever portion 81 rearward of the support shaft 61 is tilted downward. The rear fin lever portion 81 is linked to a cam plate 84, which will be described later.

[0023] As shown in Fig. 5(B), Fig. 6(B) and Fig. 7(B), inclined surfaces 28 are provided on the top and bottom of the inside of the air outlet 23 so as to narrow the opening width OW of the air outlet 23 in the vertical direction, and the opening width OW of the air outlet 23 in the vertical direction is formed narrower than the vertical height of the main ventilation passage 21. When adjusting the airflow direction to the upward direction, as shown in Fig. 6(B), the rear fins 6 are oriented downward and the main airflow MA hits the lower inner inclined surface 28 of the air outlet 23 to change the airflow to the upward direction. On the other hand, when adjusting the airflow direction to the downward direction, as shown in Fig. 7(B), the rear fins 6 are oriented upward and the main airflow MA hits the upper inner inclined surface 28 of the air outlet 23 to change the airflow to the downward direction.

[0024] As shown in Figures 5(B), 6(B) and 7(B), the secondary ventilation passage 25 is provided above the main ventilation passage 21, with an inlet 26 provided on its upstream side and a secondary outlet 27 provided on its downstream side.

[0025] The inlet 26 is provided on the upper side, approximately at the center in the front-to-rear direction of the main ventilation passage 21, so as to take in a part of the main air flow MA of the main ventilation passage 21 into the sub-ventilation passage 25, and an adjustment fin 7 is provided to take in a part of the main air flow MA.

[0026] The adjustment fin 7 is disposed on the boundary surface between the secondary ventilation passage 25 and the main ventilation passage 21 on the upstream lower side of the secondary ventilation passage 25, which is the inlet 26 of the secondary ventilation passage 25, and is supported by the shaft holes 74a of the bearing plates 74 disposed on the left and right via the left and right support shafts 71 so as to be tiltable up and down. The left support shaft 71 is provided with an adjustment fin lever portion 82 for tilting the adjustment fin 7 rearward from the support shaft 71, and when the front side of the adjustment fin 7 is tilted upward, the adjustment fin lever portion 82 rearward of the support shaft 71 is tilted downward. The adjustment fin lever portion 82 is linked to a cam plate 84, which will be described later. When the front side of the adjustment fin 7 is tilted upward, a part of the main airflow MA is taken into the secondary ventilation passage 25 (FIG. 7B).

[0027] The rear fin 6 and the adjustment fin 7 are linked by a fin rotation adjustment mechanism 8, and a rear fin lever section 81 that tilts the rear fin 6 and an adjustment fin lever section 82 that tilts the adjustment fin 7 are linked by a cam plate 84. The fin rotation adjustment mechanism 8 is controlled by an electric motor (not shown) to control the vertical air direction. Note that the vertical air direction control by the fin rotation adjustment mechanism 8 can also be performed manually.

[0028] As shown in Figs. 4 to 7, the cam plate 84 is generally rectangular and is provided with, from the rear, an adjustment fin pivot hole 84c into which the adjustment fin lever portion 82 is fitted, a bearing hole 84b into which the retainer spindle 83 formed on the left side surface of the retainer 2 is fitted, and a rear fin pivot hole 84a into which the rear fin lever portion 81 is fitted. The adjustment fin pivot hole 84c is an elongated hole through which the adjustment fin lever portion 82 can slide up and down. The bearing hole 84b is an elongated hole through which the retainer spindle 83 can slide up and down. The rear fin pivot hole 84a is a circular hole with no play that only allows the rear fin lever portion 81 to rotate, and the rear fin lever portion 81 is configured not to slide up and down relative to the rear fin pivot hole 84a.

[0029] 5, when the airflow direction in the vertical direction of the register 1 is neutral, the adjustment fin lever portion 82 is located at the upper end of the adjustment fin pivot hole 84c, and the adjustment fin 7 is in a state of blocking the inlet 26. The retainer support shaft 83 is located approximately in the vertical center of the support bearing hole 84b, and the rear fin lever portion 81 is located at a position where the rear fin 6 is kept horizontal by the rear fin pivot hole 84a.

[0030] When the airflow direction in the vertical direction of the register 1 is changed from the neutral state to the upward direction, the cam plate 84 is pushed upward as shown in FIG. 6. At this time, the rear fin lever portion 81, which has no play in the rear fin rotation hole 84a, moves upward together with the cam plate 84, tilting the front side of the rear fin 6 downward. The adjustment fin lever portion 82 arranged at the upper end of the adjustment fin rotation hole 84c only moves to the lower end within the adjustment fin rotation hole 84c, and the adjustment fin 7 does not tilt and keeps the inlet 26 closed. As a result, the rear fin 6 is tilted downward, and the main airflow MA hits the inclined surface 28 on the lower inner side of the air outlet 23, changing the airflow direction to the upward direction. The retainer support shaft 83 moves to the lower side of the support bearing hole 84b.

[0031] On the other hand, when the airflow direction in the vertical direction of the register 1 is changed from the neutral state to the downward direction, the cam plate 84 is pushed down as shown in FIG. 7. At this time, the rear fin lever portion 81, which has no play in the rear fin rotation hole 84a, moves down together with the cam plate 84, tilting the front side of the rear fin 6 upward. As a result, the rear fin 6 is tilted upward, and the main airflow MA hits the upper inner inclined surface 28 of the air outlet 23, and the airflow is changed to the downward direction. The adjustment fin lever portion 82 arranged at the upper end of the adjustment fin rotation hole 84c is pushed down by the cam plate 84 being pushed down, and the front side of the adjustment fin 7 tilts up, opening the inlet 26. By opening the inlet 26, a part of the main airflow MA of the main ventilation passage 21 is taken into the secondary ventilation passage 25 as the secondary airflow SA. The secondary airflow SA taken in the secondary ventilation passage 25 is blown from the secondary outlet 27 at a substantially right angle from directly above towards the main airflow MA blown out from the air outlet 23. This causes the main airflow MA to be peeled off from the protruding portion 24, making it difficult for the Coanda effect to occur in which the airflow sticks to the protruding portion 24 located above and in front of the air outlet 23, and the air can be well blown downward without being pulled upward.

[0032] 5(B), 6(B) and 7(B), the sub-air outlet 27 is disposed a distance DI forward from the air outlet 23, and in this embodiment, is disposed forward approximately the opening width OW in the vertical direction of the air outlet 23. This makes it possible to effectively suppress the Coanda effect, in which airflow sticks to the protrusion 24 located at the upper front part of the air outlet 23.

[0033] Fig. 8 is a graph showing the measurement of the directional angle (vertical directional angle) relative to the operation angle (vertical airflow operation plate angle) of the rear fins 6 by changing the distance DI at which the sub-air outlet 27 is disposed from the air outlet 23. In Fig. 8, the solid line shows the case where the distance DI is the length of the opening width OW in the vertical direction of the air outlet 23, the dashed line shows the case where the distance DI is 1 / 2 the opening width OW, and the dashed line shows the case where the distance DI is 1 / 4 the opening width OW. It can be seen from Fig. 8 that the more the opening width OW is maintained as the distance DI at which the sub-air outlet 27 is disposed from the air outlet 23, the closer the directional angle relative to the operation angle of the rear fins 6 becomes, and it can be seen that the Coanda effect, in which airflow sticks to the protrusion 24, can be effectively suppressed.

[0034] 5(B), 6(B) and 7(B), the sub-air outlet 27 blows the sub-airflow SA at a contact angle α towards the main airflow MA blown out from the air outlet 23, and in this embodiment, is formed so as to blow the sub-airflow SA from directly above at a contact angle α of 90°. This makes it possible to effectively suppress the Coanda effect, in which the airflow sticks to the protrusion 24 located at the upper front part of the air outlet 23.

[0035] FIG. 9 is a graph showing the measurement of the directional angle (upward / downward directional angle) with respect to the operation angle (upward / downward air direction operation plate angle) of the rear fin 6 by changing the contact angle α of the secondary airflow SA with respect to the main airflow MA. In FIG. 9, the solid line shows the case where the contact angle α is 90°, and the two-dot chain line shows the case where the contact angle α is 45°. From FIG. 9, it can be confirmed that the directional angle with respect to the operation angle of the rear fin 6 approaches at least when the contact angle α is in the range of 45 to 90°, and it can be confirmed that the Coanda effect in which the airflow sticks to the protruding portion 24 can be effectively suppressed. Also, from FIG. 9, it is inferred that the larger the contact angle α of the secondary airflow SA with respect to the main airflow MA, the closer the directional angle with respect to the operation angle of the rear fin 6 approaches, and it is inferred that even when the contact angle exceeds 90°, the Coanda effect in which the airflow sticks to the protruding portion 24 can be effectively suppressed. FIG. 10 shows an embodiment in which the contact angle α of the secondary airflow SA with respect to the main airflow MA is set to 105°, which is greater than 90°.

[0036] The register 1 having the above configuration is installed, for example, under the instrument panel inside an automobile, with the protrusion 24 at the upper front part of the air outlet 23 integrated with the end of the instrument panel, and the air intake 22 at the rear end of the retainer 2 connected to a ventilation duct (not shown). Although not shown in the attached state, air sent from the ventilation duct passes through the main ventilation passage 21 inside the retainer 2 and is blown out from the air outlet 23 into the passenger compartment of the automobile.

[0037] When adjusting the air blowing direction to the left or right, all of the front fins 5 are tilted to the left or right in synchronization via the link bar 53 by an electric motor (not shown), thereby adjusting the air blowing direction to the left or right.

[0038] When adjusting the air blowing direction upward, the cam plate 84 of the fin rotation adjustment mechanism 8 is pushed upward by an electric motor (not shown). At this time, as shown in Fig. 6, the front side of the rear fins 6 faces downward, and the main airflow MA hits the lower inner inclined surface 28 of the air outlet 23, changing the blowing direction of the air upward.

[0039] When adjusting the air blowing direction downward, the cam plate 84 of the fin rotation adjustment mechanism 8 is pushed downward by an electric motor (not shown). At this time, as shown in FIG. 7, the front side of the rear fin 6 faces upward, and the main airflow MA hits the upper inner inclined surface 28 of the air outlet 23, changing the airflow downward, and the air blowing direction is adjusted downward. The adjustment fin lever portion 82 is pushed downward, and the front side of the adjustment fin 7 tilts upward, opening the inlet 26. By opening the inlet 26, a part of the main airflow MA of the main ventilation passage 21 is taken into the secondary ventilation passage 25 as the secondary airflow SA. The secondary airflow SA taken into the secondary ventilation passage 25 is blown from directly above at a substantially right angle from the secondary outlet 27 toward the main airflow MA blown out from the air outlet 23. This causes the main airflow MA to be separated from the protrusion 24, making it less likely that the Coanda effect, in which the airflow sticks to the protrusion 24, will occur, and the airflow can be blown smoothly downward without being pulled upward.

[0040] According to the register 1 according to the embodiment of the present specification, the rear fin 6 and the front fin 5 arranged in the main ventilation passage 21 are rotated to adjust the blowing direction of the main airflow MA from the air outlet 23 up, down, left and right. For example, when the blowing direction is to be downward, the rear fin 6 rotates up and down, and the adjustment fin 7 rotates so as to introduce a part of the blowing air into the secondary ventilation passage 25, and the secondary airflow SA introduced into the secondary ventilation passage 25 is blown from above toward the main airflow MA blown out from the air outlet 23. This makes it difficult for the Coanda effect, in which the airflow sticks to the protruding portion 24 located at the front upper portion of the air outlet 23, to occur, and the blowing direction can be well blown downward without being pulled upward. The main airflow MA is peeled off from the protruding portion 24 and is not guided to the front upper side, and good directivity can be obtained. In other words, according to the register 1 according to the embodiment of the present specification, good directivity can be obtained even if the register has a structure in which the protruding portion 24 is provided at the front upper portion. [Explanation of symbols]

[0041] 1 Register 2 Retainer 5 Front fin 6 Rear fin 7 Adjustable Fins 8 Fin rotation adjustment mechanism 21 Main ventilation duct 22 Air intake 23 Air outlet 24 Protrusion 25 Secondary ventilation duct 26 Introduction 27 Sub-air outlet 28 Slope 51 Spindle 52 Connecting shaft 53 Link Bar 53a Connection hole 54 Bearing plate 54a shaft hole 61 Spindle 64 Bearing plate 64a Shaft hole 71 Spindle 74 Bearing plate 74a shaft hole 81 Rear fin lever part 82 Adjustment fin lever part 83 Retainer shaft 84 Cam plate 84a Rear fin rotation hole 84b Support bearing hole 84c Adjustment fin rotation hole DI Distance MA Main Air Flow OW Opening width SA Secondary Air Flow α Contact angle

Claims

1. A register in which a main ventilation passage and a sub-ventilation passage are provided within a retainer serving as a housing, an air outlet that is short in the vertical direction and elongated in the horizontal direction is provided at the front of the main ventilation passage, front fins that can rotate in the horizontal direction and rear fins that can rotate in the vertical direction are arranged in front and rear in the main ventilation passage, and a protrusion is provided above and in front of the air outlet, The secondary ventilation passage is provided above the main ventilation passage, and an inlet and a secondary air outlet are provided in the secondary ventilation passage. The inlet is provided so as to take in a part of the main air flow of the main ventilation passage into the sub-ventilation passage, and an adjustment fin that rotates in a vertical direction is provided at the inlet, The register is characterized in that the sub-air outlet is formed so as to blow the sub-air flow from above toward the main air flow blown out from the air outlet.

2. The rear fin and the adjustment fin are linked by a fin rotation adjustment mechanism, the fin rotation adjustment mechanism includes a rear fin lever portion that rotates the rear fin, an adjustment fin lever portion that rotates the adjustment fin, and a cam plate that links the rear fin lever portion and the adjustment fin lever portion, The register described in claim 1, characterized in that the fin rotation adjustment mechanism rotates so that when the wind direction is adjusted upward by the rotation of the rear fin, the adjustment fin closes the inlet, and when the wind direction is adjusted downward, the adjustment fin opens the inlet in accordance with the adjusted amount.

3. The register according to claim 1 , wherein the sub-air outlet is disposed in front of the air outlet and spaced apart from the air outlet by approximately the opening width of the air outlet in the vertical direction.

4. The register according to claim 1, characterized in that the opening width in the vertical direction of the air outlet is formed narrower than the vertical height of the main ventilation passage, and when the air blowing direction is adjusted downward, the rear fin rotates upward.

5. An inclined surface is provided on each of the upper and lower inner surfaces of the air outlet so as to narrow the vertical width of the air outlet, When adjusting the airflow direction to be upward, the rear fin is directed downward, and the main airflow is made to hit the inclined surface on the lower inner side of the air outlet, thereby changing the airflow to be blown upward, 5. The register according to claim 4, wherein, when adjusting the airflow direction to downward, the rear fins are directed upward, and the main airflow is brought into contact with the inclined surface on the upper inside of the air outlet, thereby changing the airflow into a downward airflow, and the adjustment fins are opened to open the inlet, causing the secondary airflow to flow into the secondary ventilation passage, and the secondary airflow is forced against the main airflow from above, thereby changing the airflow into a downward airflow.

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