WO2011162232A1

WO2011162232A1 - Sliding door device

Info

Publication number: WO2011162232A1
Application number: PCT/JP2011/064115
Authority: WO
Inventors: 信太郎池田; 稔北川
Original assignee: 株式会社ケーヒン
Priority date: 2010-06-21
Filing date: 2011-06-21
Publication date: 2011-12-29
Also published as: JP2012002335A; CN102947618A

Abstract

A sliding door device is provided with a frame case, a sliding door which moves relative to the frame case in the sliding directions, a rack gear which is provided to the sliding door, a shaft which is affixed to the frame case, and a pinion gear which is affixed to the shaft and meshes with the rack gear. When assembling the sliding door device, an air mix damper is inserted into the frame case in the direction which coincides with one of the sliding directions. A first mark is provided to the frame case, and a second mark is provided to the shaft in such a manner that the matching of the position of the second mark with the position of the first mark allows a predetermined tooth of the rack gear and a predetermined groove of the pinion gear to engage with each other.

Description

Sliding door device

The present invention relates to a sliding door device.
This application claims priority based on Japanese Patent Application No. 2010-140756 filed in Japan on June 21, 2010, the contents of which are incorporated herein by reference.

In a vehicle air conditioner, as an air mix damper device for adjusting an opening ratio of an opening through which an air flow passes, for example, a configuration including a slide door device that slides a slide door by a rack and pinion method is known. Yes.

In such a vehicle air conditioner, the slide door is housed inside a frame case, and a pair of guide grooves for slidably supporting the slide door are provided inside the frame case.
When the vehicle air conditioner is assembled, as shown in Patent Document 1, the slide door is inserted along the guide groove by inserting the slide door from an opening for inserting the slide door provided in the frame case. It is stored inside the frame case while sliding.

By the way, as described above, in the air mix damper device that slides the slide door by the rack and pinion method as described above, the pinion gear meshes with the rack gear provided on the slide door, and the pinion gear rotates. By driving, the sliding door is slid.
In order to accurately align the position of the sliding door with respect to the rotation angle of the pinion gear, the meshing position of the predetermined tooth of the rack gear and the predetermined tooth groove of the pinion gear in the rotation direction of the pinion gear is accurately aligned in advance. It is necessary to keep. For this reason, in the conventional vehicle air conditioner, for example, as shown in Patent Document 1, the width dimension along the sliding direction is set on one side in the extending direction of the rack gear more than the other teeth (standard teeth). A large thick tooth is provided, and a large tooth groove that meshes with the thick tooth is provided in the pinion gear. According to this configuration, when the slide door is inserted into the guide portion, the meshing position of the pinion gear and the rack gear can be matched by engaging the thick tooth with the large tooth groove.

Japanese Unexamined Patent Publication No. 2009-274708

Usually, the frame case is composed of a plurality of parts. When the slide door is assembled to the frame case, these parts are not assembled, so that the worker can perform the assembly work while visually checking the inside of the frame case and the slide door.
However, since the pinion gear itself is substantially circular, it is difficult to visually recognize the rotation angle of the pinion gear. For this reason, it is not easy for the operator to match the rotation angle of the pinion gear with respect to the rack gear so that the predetermined tooth groove of the pinion gear and the predetermined tooth of the rack gear are accurately meshed with each other.

For example, when the pinion gear has a large tooth groove as described above, a method of setting the rotation angle of the pinion gear with respect to the rack gear using the large tooth groove as a mark may be considered. However, when inserting the sliding door from the opening for inserting the sliding door, the rack gear is arranged on the back side of the pinion gear as viewed from the operator side, and the thick tooth is provided at the distal end side in the inserting direction of the sliding door. ing. For this reason, during the operation of inserting the slide door, the large tooth groove is hidden from the operator. For this reason, it is difficult to set the rotation angle of the pinion gear relative to the rack gear with the large tooth groove as a mark.

The present invention has been made in view of the above-described problems, and an object thereof is to facilitate the setting of the meshing position between the pinion gear and the rack gear when the slide door device is assembled.

The present invention employs the following means in order to solve the above problems and achieve the object.
[1] A slide door device according to an aspect of the present invention includes a frame case; a slide door that moves relative to the frame case in a sliding direction; a rack gear provided on the slide door; A shaft fixed to a frame case; and a pinion gear fixed to the shaft that meshes with the rack gear; and when the assembly is performed, the sliding door is connected to the frame case with one direction of the sliding direction as an insertion direction. A slide door device to be inserted, wherein a first mark is provided on the frame case, and a second mark is formed by adjusting a position of the rack gear to a position of the first mark and the pinion of the rack gear. The shaft is provided so as to mesh with a predetermined tooth space of the gear.

[2] In the sliding door device according to the above [1], the position of the center of the first mark and the center of the second mark in the circumferential direction of the shaft is the position of the pinion gear at the time of assembly. The position indicating the normal position, the center of the second mark in the region between the width ends of the first mark in the circumferential direction of the shaft, the rack gear and the pinion gear at the time of assembly The meshable range may be indicated.

[3] In the sliding door device according to the above [2], a plurality of standard teeth provided in the rack gear and arranged along the sliding direction, and a width along the sliding direction from these standard teeth A thick tooth having a large dimension; a large tooth groove provided in the pinion gear and meshing with the thick tooth; and a region between the width end portions of the first mark is Thick teeth may be set in a range in which the large teeth can be engaged with the large tooth gap.

[4] In the sliding door device according to [2] or [3], an end of the first mark on the second mark side is at least one of a center or a width end in a circumferential direction of the shaft. You may have the shape pointed toward.

[5] In the sliding door device according to [1], the shaft penetrates from the inside to the outside of the frame case, and both the first mark and the second mark are provided on the outside of the frame case. It may be.

According to the slide door device according to the above aspect [1], the pinion gear has a predetermined rotation angle with respect to the rack gear by aligning the positions of the first mark and the second mark when the slide door device is assembled. It is meshed while keeping For this reason, the operator can mesh the predetermined tooth of the rack gear and the predetermined tooth groove of the pinion gear without directly confirming the meshing of the rack gear and the pinion gear.

In the case of [2] above, when the slide door device is assembled, the operator can easily recognize the normal position of the pinion gear and the meshable range of the rack gear and the pinion gear. For this reason, the assembly work of the slide door device can be easily and accurately performed.

In the case of [3] above, by aligning the second mark in the region between the width ends of the first mark, thick teeth can be easily formed in the large tooth groove when the slide door device is assembled. Can be engaged.

In the case of [4] above, the operator can easily see the center or the width end of the first mark when assembling the slide door device. For this reason, the assembly work of the slide door device can be easily and accurately performed.

In the case of [5], the first mark and the second mark can be easily visually recognized even when the operator cannot visually recognize the inside of the frame case when assembling the slide door device. For this reason, the assembly operation of the sliding door device can be easily performed.

It is a perspective view which shows schematic structure of the air mix damper apparatus in one Embodiment of this invention. FIG. 2 is a cross-sectional view of the air mix damper device as viewed in the direction of arrows AA in FIG. 1. It is a partial expansion perspective view which shows the junction part of the shaft and frame case of the air mix damper apparatus. It is a partial expansion perspective view which shows the junction part of the shaft and frame case of the air mix damper apparatus. It is a top view of the 1st mark of the air mix damper device. It is a top view of the 1st mark of the air mix damper device. It is a top view of the 1st mark of the air mix damper device.

Hereinafter, an embodiment of a sliding door device according to the present invention will be described with reference to the drawings. In the following drawings, the scale of each member is appropriately changed in order to make each member a recognizable size.
Moreover, in the following description, the example which applied the slide door apparatus which concerns on this invention to the air mix damper apparatus mounted in the air conditioning apparatus for vehicles is demonstrated. However, the present invention is not limited to this, and can be applied as long as it is a sliding door device including a sliding door. For example, the mode for adjusting the opening ratio of the air outlet of the vehicle air conditioner The present invention can be applied to a damper device and an internal / external air switching damper device that controls opening and closing of a blower suction port for internal / external air switching. Moreover, it is also possible to apply to the slide door apparatus used other than the vehicle air conditioner.

The air mix damper device S1 (see FIG. 1) of this embodiment is mounted on a unitized vehicle air conditioner (HVAC: Heating Ventilation Air Conditioning), and is housed in a heater case in which a heater core and an evaporator are housed. Yes.
And this air mix damper apparatus S1 (sliding door apparatus) adjusts the supply_amount | feed_rate to the heating flow path of the cold air supplied from an evaporator, thereby, the warm air obtained by heating with a heating flow path, and a mixing part Adjust the mixing ratio with the cool air that is ventilated as it is.

FIG. 1 is a perspective view showing a schematic configuration of an air mix damper device S1 of the present embodiment.
As shown in FIG. 1, the air mix damper device S1 of the present embodiment includes a frame case 1, an air mix damper 2 (sliding door), a rack gear 3, a pinion gear 4, a shaft 5, and a drive device 6. It has.

The frame case 1 is fixed to the heater case. The frame case 1 is provided with a heating channel opening 1a (opening) that communicates with the heating channel, and a ventilation opening 1b (opening) that vents cool air through the mixing unit without passing through the heating channel. It has been. The cold air (air flow) supplied from the evaporator passes through these openings (heating channel opening 1a and ventilation opening 1b).
Further, the frame case 1 is provided with support walls 1c on both sides of the heating channel opening 1a and the ventilation opening 1b. The support wall 1 c supports a bearing 7 for supporting the shaft 5. In addition, when actually mounting air mix damper apparatus S1 in a vehicle air conditioner, the frame case 1 may be comprised by a part of case with which a vehicle air conditioner is equipped.

Further, the frame case 1 is provided with a guide groove 1 d for guiding the air mix damper 2. The guide groove 1d is formed as a groove in the support wall 1c and has a curved shape.
Further, as shown in FIG. 1, the case of the vehicle air conditioner is formed with an insertion port 10 communicating with the guide groove 1d, and when the vehicle air conditioner is assembled (that is, the air according to the present embodiment). When the mix damper device S1 is assembled), the air mix damper 2 is inserted from the insertion port 10 with one direction of the slide direction as the insertion direction.

The air mix damper 2 has a plate shape having a size capable of closing the heating channel opening 1a or the ventilation opening 1b. And the air mix damper 2 is curved and the both ends are fitted to the guide groove 1d (guide part) so that a slide is possible. The air mix damper 2 slides along the shape of the guide groove 1 d by receiving force from the rack gear 3 and the pinion gear 4.

As shown in FIG. 1, the rack gear 3 is provided at both ends of the air mix damper 2 so as to be integrated with the air mix damper 2. The rack gear 3 extends along the slide direction.
The pinion gear 4 is a gear that meshes with the rack gear 3 and is fixed to the shaft 5. The pinion gear 4 is rotated by a shaft 5 and functions as a drive gear for the rack gear 3.

2 is a cross-sectional view of the air mix damper device S1 as viewed in the direction of arrows AA in FIG. 1, and is a partially enlarged view of a pair of rack gear 3 and pinion gear 4. FIG. As shown in this figure, the rack gear 3 is composed of a plurality of standard teeth 3a arranged in the sliding direction of the air mix damper 2, and thick teeth 3b having a larger width dimension along the sliding direction than the standard teeth 3a. Has been.
In each rack gear 3, one thick tooth 3b is disposed at each end of the air mix damper 2 in the sliding direction. A plurality of standard teeth 3a are disposed between the thick teeth 3b.
In the air mix damper device S1 of the present embodiment, the thick tooth 3b has a shape obtained by filling two adjacent standard teeth 3a and a tooth gap 3c ₂ between the standard teeth 3a. . The distance between tooth 3c ₁ between the standard teeth 3a adjacent to the thick tooth 3b of the thick tooth 3b Toko is set to be the same as the spacing of the tooth 3c ₂ between the standard teeth 3a adjacent .

The pinion gear 4 is a gear fixed to the shaft 5 and having a plurality of teeth 4 a arranged in the circumferential direction for meshing with the tooth grooves 3 c ₁ and 3 c _{2 of} the rack gear 3. As shown in FIG. 2, the pinion gear 4 is provided with a large tooth groove 4 b that meshes with the thick tooth 3 b of the rack gear 3 only at one location.
The large tooth groove 4b is formed by deleting one of the teeth 4a of the pinion gear 4. For this reason, even if the pinion gear 4 rotates, the large tooth groove 4b does not mesh with the portions (standard teeth 3a) other than the thick teeth 3b of the rack gear 3, and can smoothly pass over the standard teeth 3a.

Returning to FIG. 1, the pinion gear 4 is fixed to both ends of the shaft 5, and is supported by the support wall 1 c.
The driving device 6 (for example, a motor) is connected to the shaft 5. The shaft 5 is rotationally driven when power is transmitted from the driving device 6.

3A and 3B are enlarged perspective views of a connection portion between the frame case 1 and the shaft 5, FIG. 3A shows the back side of the worker's visual recognition direction in FIG. 1, and FIG. 3B shows the worker's visual recognition in FIG. 1. The front side of the direction is shown.
As shown in FIGS. 3A and 3B, the air mix damper device S <b> 1 is provided with a first mark 30 on the frame case 1 and a second mark 20 on the shaft 5. The second mark 20 is preferably provided in an area adjacent to the frame case 1 of the shaft 5, and the second mark 20 is preferably provided in an area adjacent to the shaft 5.

The second mark 20 is positioned so as to mesh the predetermined tooth of the rack gear 3 and the predetermined tooth groove of the pinion gear 4 by aligning the position of the end 20a with the position of the first mark 30. Is provided. Specifically, by adjusting the set rotation angle of the pinion gear 4 so that the end 20a of the second mark 20 is closest to the end 30c of the first mark 30, the thick tooth 3b of the rack gear 3 and the pinion The large tooth groove 4b of the gear 4 meshes. The set rotation angle referred to here is the rotation angle of the pinion gear 4 that can accurately mesh the predetermined tooth of the rack gear 3 and the predetermined tooth groove of the pinion gear 4, and more specifically, The rack gear 3 has a rotation angle at which the thick teeth 3 b can mesh with the large tooth grooves 4 b of the pinion gear 4.

The second mark 20 is formed narrower than the first mark 30 in the circumferential direction of the shaft 5. The second mark 20 is provided on the protruding portion 5 a that protrudes toward the outer side in the axis 5 b direction of the shaft 5. The protrusion 5 a is formed so that the height in the direction of the axis 5 b is substantially the same as the end 30 c of the first mark 30.
The end 20a of the second mark 20 is preferably sharply pointed. Since the end 20a has a sharp shape, the positional relationship between the first mark 30 and the end 30c can be easily matched.

FIG. 4A is a plan view showing the first mark 30 in the present embodiment. The first mark 30 is formed wider than the second mark 20 in the circumferential direction of the shaft 5. The center 30c ₁ of the first indicia 30 in the circumferential direction of the shaft 5 and a position where combined with the end portion 20a of the second indicia 20, the normal position of the pinion gear 4 when assembling the sliding door device S1 Show. And the position which match | combined the edge part 20a of the 2nd mark 20 with the area | region between the width | variety edge parts 30d1 of the _1st mark 30a in the circumferential direction of the shaft 5 is assembly at the time of assembling the air mix damper apparatus S1. The possible range is shown.

Here, the range in which the air mix damper device S1 can be assembled is a range in which the predetermined teeth of the rack gear 3 can be accommodated in the predetermined tooth grooves of the pinion gear 4. Specifically, the tooth tip of a predetermined tooth of the rack gear 3 is a range that fits in a predetermined tooth groove of the pinion gear 4 in which the tooth should fit and does not come into contact with a tooth adjacent to the tooth groove. The assembling range of the air mix damper device S1 is, for example, a range in which the thick teeth 3b of the rack gear 3 can be accommodated in the large tooth groove 4b of the pinion gear 4, and specifically, the tooth tips of the thick teeth 3b are in the insertion direction of the slide door On the other hand, the tooth 4a ₁ located on the front side of the large tooth groove 4b is in contact with the tooth 4a ₂ located on the back side of the large tooth groove 4b.

The normal position of the pinion gear 4 at the time of assembling the air mix damper device S1 is a predetermined position of the rack gear 3 when the air mix damper 2 is normally operated after the assembly of the air mix damper device S1 is completed. The tooth tip is a position that fits in a predetermined tooth gap of the pinion gear 4, and the center of the tooth tip of the predetermined tooth of the rack gear 3 is located at the approximate center in the predetermined tooth groove of the pinion gear 4, and the air mix When the damper 2 is normally operated, the tooth tip of the predetermined tooth of the rack gear 3 is a position where the slip hardly occurs in the predetermined tooth gap of the pinion gear 4. Specifically, for example, it is a position where the thick teeth 3b of the rack gear 3 are accommodated in the large tooth groove 4b of the pinion gear 4 without causing a large slip.
The position of the combined an end 20a of the center 30c ₁ of the first indicia 30 in the present embodiment and the second indicia 20 indicates the normal position at the time of assembling the sliding door device S1.

Note that the shape of the first mark 30 is not limited to the shape shown in FIG. 4A. For example, instead of the first mark 30, as shown in FIG. 4B, a Y-shaped first mark 30 a having a center 30 c _{2 that} is recessed toward the operator and pointed toward the width end 30 d ₂ is used. It may be adopted. By adopting such a shape, during assembly of the sliding door device S1, the operator is able to accurately grasp the position of the width end portions 30d ₂ of the first indicia 30a.
Further, instead of the first mark 30, a T-shaped first mark 30b as shown in FIG. 4C may be adopted. In this case, during assembly of the sliding door device S1, the position of the center 30c _3, the position of the width end portion 30d ₃ can be accurately grasped.
Further, the first mark 30 is not limited to these shapes, and a pointed shape toward both the center 30c and the width end portion 30d may be adopted.

Also, the second mark 20 and the first 30 in this embodiment are provided on the worker side so that they can be visually recognized by the worker at the time of assembly. In the present embodiment, the worker performs work from the position on the upper right side in FIG. That is, the operator visually recognizes the pinion gear 4 and the rack gear 3 from obliquely above with respect to the air mix damper device S1. 2 shows a state in which the set rotation angle of the pinion gear 4 is set so that the large tooth groove 4b of the pinion gear 4 can mesh with the thick teeth 3b of the rack gear 3.

In addition, in the said embodiment, although the 2nd mark 20 was provided in the shaft 5 and the structure in which the 1st mark 30 was provided in the frame case 1 was demonstrated, this invention is not limited to this. Alternatively, the shaft 5 may be provided with the first mark 30 and the frame case 1 may be provided with the second mark 20.
Moreover, in the said embodiment, the 2nd mark 20 and the 1st mark 30 demonstrated the structure by which the inner side of the frame case 1, ie, the pinion gear 4, was provided in the side. However, the position where the second mark 20 and the first mark 30 are provided is not limited to this, and when the shaft 5 penetrates from the inside to the outside of the frame case 1, The second mark 20 and the first mark 30 may be provided outside the frame case 1.

In the air mix damper device S1 of the present embodiment, when the shaft 5 is rotationally driven by a motor (not shown), the pinion gear 4 rotates with the rotation. Thereby, the rack gear 3 slides along the sliding direction, and further, between the position where the air mix damper 2 completely closes only the heating flow path opening 1a and the position where only the ventilation opening 1b is completely closed. Is slid.
Then, the rotation direction and the rotation amount of the pinion gear 4 are controlled by a control device (not shown), and thereby the slide position of the air mix damper 2 is controlled. As a result, the opening ratios of the heating channel opening 1a and the ventilation opening 1b closed by the air mix damper 2 are adjusted, and cold air (cold air that is vented to the mixing unit without passing through the heating channel) and hot air ( The mixing ratio with cold air heated by the heating channel is adjusted.

Further, when assembling the air mix damper device S1 of the present embodiment (that is, when assembling a vehicle air conditioner on which the air mix damper device S1 is mounted), the frame case 1 assembled in advance is shown in FIG. The air mix damper 2 is inserted into the guide groove 1d by inserting the air mix damper 2 from the insertion port 10 shown in FIG.

Here, in the air mix damper device S1 of the present embodiment, the shaft 5 is provided with the second mark 20 and the frame case 1 is provided with the first mark 30. For this reason, when the air mix damper device S1 is assembled, the position of the end 20a of the second mark 20 is adjusted to the position of the first mark 30 so that the pinion gear 4 has a predetermined rotation angle with respect to the rack gear 3. The predetermined tooth of the rack gear 3 and the predetermined tooth groove of the pinion gear 4 mesh with each other. For this reason, when assembling the air mix damper device S1, the operator directly confirms the engagement of the rack gear 3 and the pinion gear 4 by matching the position of the second mark 20 with the position of the first mark 30. The predetermined tooth of the rack gear 3 and the predetermined tooth groove of the pinion gear 4 can be easily meshed.

Further, in the air mix damper device S1 of the present embodiment, the position of the center 30c of the first mark 30 and the center of the second mark in the circumferential direction of the shaft 5 is the position of the pinion gear 4 during assembly. The position where the center 20a of the second mark 20 is aligned with the region between the width ends 30d of the first mark 30 in the circumferential direction of the shaft 5 is the position where the rack gear 3 and the pinion gear are assembled. 4 shows a meshable range. For this reason, the operator can easily recognize the normal position of the pinion gear 4 and the assembling range of the rack gear 3 and the pinion gear 4 when the air mix damper device S1 is assembled. For this reason, the assembly work of the air mix damper device S1 can be easily and accurately performed.

Further, in the air mix damper device S1 of the present embodiment, the region between the width end portions 30d of the first mark is such that the thick tooth 3b of the rack gear 3 is replaced by the large tooth groove 4b of the pinion gear 4 during assembly. Is set in a range that can be meshed. For this reason, by aligning the second mark 20 in the region between the width end portions 30d of the first mark, the thick tooth 3b is easily meshed with the large tooth groove 4b when the air mix damper device S1 is assembled. can do.

Moreover, in the air mix damper device S1 of the present embodiment, the first mark 30a has a sharp shape toward at least one of the center 30c or the width end 30d in the circumferential direction of the shaft 5. For this reason, when assembling the air mix damper device S1, the center 30c or the width end portion 30d of the first mark 30a can be easily visually confirmed. For this reason, the assembly work of the air mix damper device S1 can be easily and accurately performed.

Further, since the shaft 5 penetrates from the inside to the outside of the frame case 1 and both the first mark 30 and the second mark 20 are provided on the outside of the frame case 1, the air mix damper device S1 is assembled. Even if the operator cannot visually recognize the inside of the frame case 1, the first mark 30 and the second mark 20 can be easily visually recognized. For this reason, it is possible to easily assemble the air mix damper device S1.

The preferred embodiments of the present invention have been described above with reference to the accompanying drawings. Needless to say, the present invention is not limited to the above-described embodiments. Various shapes, combinations, and the like of the constituent members shown in the above-described embodiments are examples, and various modifications can be made based on design requirements and the like without departing from the gist of the present invention.

S1 Air mix damper device (slide door device)
1 Frame case 2 Air mix damper (sliding door)
3 rack gear 3a standard tooth 3b thick tooth 3c ₁ , 3c ₂ tooth groove 4 pinion gear 4a tooth 4b large tooth groove 10 insertion port 20 second mark 20a end 30, 30a, 30b first mark 30c, 30c ₁ , 30c ₂ , 30c ₃ center 30d, 30d ₁ , 30d ₂ , 30d ₃ wide end

Claims

Frame case;
A sliding door that moves relative to the frame case in a sliding direction;
A rack gear provided on the sliding door;
A shaft fixed to the frame case;
A pinion gear fixed to the shaft that meshes with the rack gear;
With
A slide door device in which the slide door is inserted into the frame case with one direction of the slide direction as an insertion direction during assembly,
A first mark is provided on the frame case;
A second mark is provided on the shaft so that a predetermined tooth of the rack gear and a predetermined tooth groove of the pinion gear mesh with each other by aligning the position thereof with the position of the first mark;
A sliding door device characterized by that.
The position of the center of the first mark and the center of the second mark in the circumferential direction of the shaft indicates a normal position of the pinion gear during assembly, and the first position in the circumferential direction of the shaft The position where the center of the second mark is aligned with the region between the width end portions of the mark indicates a meshable range between the rack gear and the pinion gear at the time of assembly. The sliding door device as described.
A plurality of standard teeth provided in the rack gear and arranged along the sliding direction, and thick teeth having a width dimension along the sliding direction larger than the standard teeth;
A large tooth groove provided in the pinion gear and meshing with the thick teeth;
With
3. The slide according to claim 2, wherein a region between the width end portions of the first mark is set in a range in which the thick tooth can be engaged with the large tooth groove during assembly. Door device.
The end on the second mark side of the first mark has a sharp shape toward at least one of the center or the width end in the circumferential direction of the shaft. Sliding door device.
The sliding door according to claim 1, wherein the shaft penetrates from the inside to the outside of the frame case, and both the first mark and the second mark are provided on the outside of the frame case. apparatus.