JP4309701B2 - cabin - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a cabin mounted on a combine or the like.
[0002]
[Prior art]
Conventionally, a cabin having a sliding door that slides in the front-rear direction is known (see, for example, Patent Document 1). The sliding door of the cabin is attached to the cabin via a slide guide composed of a rail and a roller, and opens when the cabin slides forward.
[0003]
[Patent Document 1]
Japanese Utility Model Publication No. 5-85224 [0004]
[Problems to be solved by the invention]
However, like the sliding door of this case, the lowermost rail of the opening / closing guide that supports the door on the cabin side is composed of the main rail on the cabin side and the sub rail provided on the door side that is slidably supported by the main rail. This is not a two-stage configuration, so there is no problem with the layout of the subrail and step when the door is closed as in this case, and this case compactly accommodates the subrail when the door is closed. The challenge is to do.
[0005]
[Means for Solving the Problems]
The cabin of the present invention for solving the above problems is provided with a door 1 that is slidable back and forth on the side, and the door 1 includes upper and lower opening / closing guides 24U, 24M, and 24L composed of rollers and rails. A main rail 31 having a lowermost rail provided on the cabin 2 side, and a sub-rail 33 provided on the door 1 side, slidably supported by the main rail 31 via a roller 37. The sub rail 33 is composed of a fixed rail 33a fixed to the door 1 and a slide rail 33b attached to the fixed rail 33a so as to be slidable back and forth. in those steps 6 constituting the floor is provided, having a cross-section of the U-shaped having an open lower side of the step 6 in the lower position An in-rail 31 is provided, and the roller 37 is supported on the slide rail 33b via the bracket 34 so that the sub-rail 33 is accommodated in parallel to the main rail 31 above the main rail 31 with the door 1 closed. At the same time, the first feature is that the storage space S of the sub rail 33 when the door 1 is closed is formed by positioning the sub rail 33 at a position below the step 6 and above the main rail 31 .
[0006]
Secondly, a stay 39 having a U-shaped cross section that opens to the outside of the side and that forms the storage space S of the sub rail 33 is provided at a position below the step 6.
[0007]
Forming an accommodating space S of the sub rail 33 in the third, to the stay 3 9 having a cross section of U-shape that opens to the outside of the side, it is characterized by fixing the main rail 31.
[0008]
Fourth, a weather strip 38 that is elastically pressed against the end face side of the step 6 when the door 1 is closed is provided at a position corresponding to the end face height of the step 6 on the door 1 side. .
[0009]
DETAILED DESCRIPTION OF THE INVENTION
1 to 3 are a side view of a cabin of a combine according to the present invention, a side view with a door removed, and a perspective view with a door opened. The door 1 is provided on the side of the cabin 2 and is a sliding door that slides back and forth. A driver's seat 3 is configured in the cabin 2.
[0010]
The driver's seat 3 in the cabin 2 is provided with a seat 4, a step 6 is provided in front of the seat 4, and an operation panel 7 is disposed in front and side of the seat 4. An operator such as a driver can access (get on and off) the driver's seat 3 by sliding the door 1 backward and opening the door 1.
[0011]
An engine room on which an engine and a radiator are mounted is provided below the seat 4, and the outside of the radiator is covered with an engine cover 8. For this reason, the door 1 has a shape in which the rear lower part is depressed in a side view so as to avoid the engine cover 8 when the door 1 is closed.
[0012]
On the other hand, as shown in FIGS. 4 and 5, the door 1 has a structure in which a glass body 12 is attached to a substantially U-shaped door frame 11 so that the frame 11 is on the inside. Attached to the cabin. A bracket 13 is attached to the main body 12 behind a substantially intermediate position in the vertical direction on the back side (the frame 11 side) of the door 1.
[0013]
At this time, the bracket 13 is positioned above the recess 14 of the door 1 for avoiding the engine cover 8. When the door 1 is closed in the fully closed state on the bracket 13 side, a door lock 16 that engages with the cabin 2 side and locks the door 1 is provided. When the door 1 is closed, the door is locked. 1 is positioned and fixed to the cabin 2 in a closed state.
[0014]
A door handle 17 is attached to the bracket 13, and the door handle 17 protrudes to the outside (front) side of the door 1. A push button switch 18 is provided outside the door 1 of the handle 17, and the door lock is released by pressing the push button switch 18 so that the door 1 can be opened. ing. The bracket 13 is integrally connected to the frame 11 via a stay 25.
[0015]
On the other hand, a bracket 19 fixed to the door frame 11 side is provided in front of a substantially intermediate position in the vertical direction on the back side of the door 1, and two inner handles 21 and 22 are provided on the bracket 19 in the front and rear directions. It is provided offset up and down. At this time, the upper inner handle 21 is disposed in front of the lower inner handle 22.
[0016]
The lower inner handle 22 opens to the front side, and the upper inner handle 21 opens to the rear side. Both inner handles 21 and 22 are connected to the door lock 16 side via a link. . Thus, by opening either one of the inner handles 21 or 22, the door lock is released, and the door 1 can be opened. The bracket 19 and the bracket 13 are integrally connected through a stay 23.
[0017]
The door 1 is slidably supported on the cabin 2 side through open / close guides 24U, 24M, and 24L at three locations, an inner upper position, a lower position, and an intermediate position in the vertical direction. At this time, each of the opening / closing guides 24U, 24M, 24L includes a rail and a roller portion that is slidably supported by the rail.
[0018]
As shown in FIG. 6A, the uppermost opening / closing guide 24U is configured such that the roller of the roller portion 27 on the door 1 side is slidably accommodated in an upper slide rail 26 provided on the upper side of the cabin 2. Has been. The rollers include a horizontal roller 27H in the horizontal direction and a vertical roller 27V in the vertical direction.
[0019]
As shown in FIG. 6B, the open / close guide 24M at the intermediate position is slidably accommodated in the intermediate slide rail 28 provided at the intermediate position of the door 1 in the vertical direction. Has been configured. The rollers include a horizontal roller 29H in the horizontal direction and a vertical roller 29V in the vertical direction.
[0020]
At this time, the intermediate slide rail 28 is provided with a front end fixed to the door frame 11 and a rear end fixed to the bracket 13 described above. Accordingly, the intermediate slide rail 28 also functions as a stay for fixing the bracket 13 to the door frame 11.
[0021]
On the other hand, as shown in FIG. 6C, the lowermost opening / closing guide 24L is configured such that the horizontal roller 37 of the roller portion 32 on the door side is accommodated in the lower slide rail 31 provided on the lower side of the cabin 2. ing. However, on the door 1 side, a sub rail 33 including a fixed rail 33a fixed to the door 1 and a slide rail 33b attached to the fixed rail 33a so as to be slidable back and forth is provided. Is attached to the slide rail 33b of the subrail 33 via a bracket 34. The horizontal roller 37 in the horizontal direction is attached to a stay 36 attached to the bracket 34.
[0022]
The sub rail 33 has a fixed frame 33a directly attached to the inside of the main body 12 of the door 1 and is stored above the lower slide rail 31 and in parallel with the lower slide rail 31 with the door 1 closed. As described above, the bracket 34 is positioned above the lower slide rail 31.
[0023]
The lower side of the door frame 11 is positioned above the fixed frame 33a in the sub rail 33 in parallel with the fixed frame 33a. A weather strip 38 is provided between the door frame 11 and the fixed frame 33a. And provided parallel to the fixed frame 33a.
[0024]
As a result, the door 1 slides with respect to the upper slide rail 26 on the upper side by the horizontal roller 27H and the vertical roller 27V, so that the intermediate slide with respect to the horizontal roller 29H and the vertical roller 29V at the intermediate position. When the rail 28 slides and in the lower position, the sub rail 33 is moved back and forth with respect to the lower slide rail 31 via the horizontal roller 37, and the slide rail 33b slides on the sub rail 33 with respect to the fixed rail 33a. Slide back and forth.
[0025]
On the other hand, as shown in FIG. 7, the above-described step 6 is fixed to the cabin 2 side via a U-shaped stay 39 opened outward at least on the door 1 side. The above-described lower slide rail 31 is fixed to the lower surface of the stay 39, and the stay 39 is moved toward the cabin 2 so that when the door 1 is closed, the aforementioned sub-rail 33 is positioned in the space S inside the stay 39. It is fixed.
[0026]
In step 6, the upper surface 6U of step 6 and the upper surface 39U of the stay 39 are fixed to the stay 39 so that the stay 39 is positioned below the step 6. Since the upper surface 39U of the stay 39 and the upper surface 6U of the step 6 are the same surface, the upper surface 39U of the stay 39 together with the step 6 constitutes a floor below the seat 4 and enlarges the entire width of the floor.
[0027]
The upper surface 39U of the stay 39 is bent inward with the outer end bent, and when the door 1 is closed, the weather strip 38 of the door 1 is elasticized by the upper end (bent portion) of the stay 39. Is pressed against. At this time, the stay 39 is integrally fixed to the step 6 so that the upper surface 39U is flush with the end surface of the step 6, so that the end of the stay 39 becomes the end of the step 6 and eventually the weather strip 38. When the door 1 is closed, it is pressed against the end face side of step 6.
[0028]
That is, the weather strip 38 is provided at a position corresponding to the height of the end face of the step 6 on the door 1 side so as to be elastically pressed against the end face side of the step 6. The strip 38 is surely pressed against the end face side (stay 39) of the step 6 to reliably prevent entry of dust and dirt from below into the cabin 2.
[0029]
Further, since the upper surface 6U of the step 6 and the upper surface 39U of the stay 39 are the same surface, when the door 1 is closed, the weather strip 38 is positioned above the lowermost opening / closing guide 24L and the lowermost opening / closing guide 24L. Intrusion of rain into the water is prevented.
[0030]
Further, when the door 1 is closed, the subrail 33 is compactly accommodated in the space S inside the stay 39 located below the side of the step 6, and the space S constitutes a housing space for the subrail 33. The upper and lower sides and the side 33 are surrounded and protected by stays 39.
[0031]
In particular, as described above, the stay 39 forms a floor together with the step 6, and the storage space for the sub rail 33 is formed below the enlarged portion of the floor. Therefore, the storage space S is formed using an empty space. The sub rail 33 is stored in a space-saving manner.
[0032]
At this time, the accommodation space of the sub rail 33 is easily provided by the stay 39. Further, since the lower slide rail 31 is fixed to the stay 39, the position of the lower slide rail 31 with respect to the accommodation space (space S) of the sub rail 33 is accurately positioned. The positional accuracy of the accommodation space S and the lower slide rail 31 is improved.
[0033]
The weather strip 38 prevents rain or the like from entering the accommodation space (the space S inside the stay 39) of the sub rail 33 located below the step 6 so that the sub rail 33 is in a state where the door 1 is closed. Protected from rain and other moisture.
[0034]
On the other hand, between the door 1 and the cabin 2, as shown in FIG. 8 and FIG. 9, when the door 1 is in an open state, the rear side of the door 1 and the cabin 2 side are engaged, A door support portion 41 that supports the side to the cabin 2 side is provided. The door support portion 41 includes an insertion portion 42 on the door 1 side and a plate-like receiver 43 provided on the cabin 2 side.
[0035]
The insertion portion 42 is attached to a bracket 44 fixed to the door frame 11 side, a hook-shaped insertion rod 46 fixed to the bracket 44 and extending rearward, and a pivotable attachment to the insertion rod 46 side. A recess 47a provided at the rear end portion is provided with a lock member 47 that locks the insertion portion 42 and the receiver 43 like a hook by engaging the upper end portion of the receiver 43.
[0036]
At this time, the lower surface 47b of the rear end portion of the lock member 47 is inclined so that the rear end side becomes thinner. Further, a torsion spring 48 is provided between the lock member 47 and the insertion rod 46 to urge the lock member 47 in the locking direction with respect to the receiving member 43 at all times.
[0037]
A release wire 49 is connected to the lock member 47 side to rotate the lock member 47 against the biasing force of the torsion spring 48 to release the lock between the lock member 47 and the receiver 43 side. The other end of the release wire 49 is connected to the link side of the door handle 17 side (push button switch 18) and the upper inner handle 21 to the door lock 16 side, and the push button switch 18 of the door handle 17 is connected. By pushing and opening the upper inner handle 21, the lock member 47 and the receiver 43 can be unlocked.
[0038]
On the other hand, as shown in FIG. 10, the aforementioned receiver 43 is fixed to the rear column 51 side of the cabin 2 and is made of a plate perpendicular to the insertion rod 42. By opening the door 1, An insertion hole 52 into which the insertion rod 42 is inserted is formed.
[0039]
However, a rubber bush 53 is fitted into the insertion hole 52, and the insertion rod 42 is inserted into the hole 53 a of the bush 53, that is, inserted into the insertion hole 52 via the bush 53.
[0040]
As a result, when the door 1 is opened more than a predetermined amount, the insertion rod 42 is inserted into the insertion hole 52 (bush 53), and the insertion hole 52 of the insertion rod 42 is moved along with the increase in the opening degree of the door 1 (the door 1 is greatly opened). When the insertion of the lock member 47 proceeds and the rear end portion of the lock member 47 and the receiver 43 come into contact with each other, the lock member 47 is inclined so that the rear end portion faces upward against the urging force of the torsion spring 48. Can be swung.
[0041]
At this time, when the door 1 is fully opened, the receiver 43 and the lock member 47 are arranged so that the upper end portion of the receiver 43 is positioned below the recess 47a, and the door 1 is fully opened and below the recess 47a. When the upper end portion of the receiver 43 is positioned, the rear end portion of the lock member 47 is swung downward by the biasing force of the torsion spring 48, the recess 47a and the receiver 43 are engaged, and the insertion portion 42 and the receiver 43 are engaged. Is locked.
[0042]
That is, the lock device 40 is constituted by the lock member 47, the torsion spring 48, the receiver 43, and the like, and the door 1 is positioned and fixed in the fully opened state by locking the insertion portion 42 and the receiver 43 by the lock device 40. . When the push button switch 18 of the door handle 17 is pressed or the inner handle 21 on the upper side is opened, the release wire 49 is operated, and the lock between the insertion portion 42 and the receiver 43 is released.
[0043]
For this reason, from the outside of the door 1, the operator can close the door 1 in the fully open state after pressing the push button 18 of the door handle 17 to release the lock between the insertion portion 42 and the receiver 43. , The fully opened door 1 can be closed after the inner handle 21 on the upper side is opened and the lock between the insertion portion 42 and the receiver 43 is released.
[0044]
The upper inner handle 21 is provided in front of the lower inner handle 22 and has a structure in which the front opens, so that the door 1 can be easily opened even when the door 1 is fully closed. Can do.
[0045]
With the above configuration, particularly when the door 1 is opened and the insertion rod 42 is inserted into the insertion hole 52 via the bush 53, the door 1 is supported on the cabin 2 side by the open / close guides 24U, 24M, and 24L, and the rear side is Each door is supported on the cabin 2 side by the door support portion 41.
[0046]
As a result, the door 1 in the fully open state is supported at the front and rear positions from the time when the insertion rod 42 is inserted into the bush 53, and the sliding in the opening direction (rear side) is stably guided, and the fully open state is stable. Maintained. In particular, since the insertion rod 42 is inserted into the insertion hole 52 through the bush 53 serving as a vibration isolating material, the door 1 is prevented from being vibrated in the vertical and horizontal directions from the time when the insertion rod 42 is inserted into the bush 53. When the insertion unit 42 and the receiver 43 are locked by the locking device 40, the door 1 is also prevented from vibrating in the front-rear direction, and the door 1 is fixed fully open while preventing vibrations in all directions. .
[0047]
Thus, for example, in the field, even when traveling with the door 1 opened according to work, vibration of the door 1 is prevented. In particular, when the door 1 is fully opened, the door 1 is positioned and fixed in the fully opened state. In addition to being stable in a state where vibration is prevented as described above, the door support portion 41 serves as a stopper when the door 1 is fully opened, and there is no need to provide a separate stopper or the like.
[0048]
【The invention's effect】
According to the structure of the present invention configured as described above, when the door is closed and the sub rail moves to the main rail side, there is an effect that the sub rail can be compactly accommodated in the accommodation space below the step. Further, by forming the storage space for the sub rail with the stay, the storage space can be easily provided, and there is an advantage that the sub rail in the storage space is protected by the stay.
[0049]
By fixing the main rail to the stay side, the position of the main rail with respect to the storage space of the sub rail is accurately determined, and the positional accuracy of the storage space and the main rail is improved. In addition, by providing the weather strip at a position corresponding to the end surface height of the step on the door side so that the weather strip is elastically pressed against the end surface side of the step, when the door is closed, the weather strip is Thus, it is possible to reliably prevent the entry of dust and dirt from below into the cabin. Further, the weather strip prevents rain or the like from entering the sub-rail housing space located below the step, that is, the sub rail is protected from moisture such as rain when the door is closed.
[Brief description of the drawings]
FIG. 1 is a side view of a combine cabin.
FIG. 2 is a side view with a door removed.
FIG. 3 is a perspective view showing a state in which a door is opened.
FIG. 4 is a side view of the door as viewed from the outside.
FIG. 5 is a side view of the door as viewed from the inside.
6A is a front view of the uppermost opening / closing guide, FIG. 6B is a front view of the opening / closing guide at an intermediate position, and FIG. 6C is a front view of the lowermost opening / closing guide.
FIG. 7 is a front perspective sectional view of a step portion.
FIG. 8 is a perspective view of a door support portion.
FIG. 9 is a side view of a door support portion.
FIG. 10 is a rear perspective view of the cabin showing a state where the receiver is attached.
[Explanation of symbols]
1 Door 2 Cabin 4 Seat 6 Step 24L Open / Close Guide 24M Open / Close Guide 24U Open / Close Guide 31 Down Slide Rail (Main Rail)
33 Subrail 38 Weather strip 39 Stay S Space (accommodating space)

Claims (4)

A door (1) is provided on the side so as to be slidable back and forth, and the door (1) is attached via upper and lower opening / closing guides (24U), (24M), (24L) composed of rollers and rails. A main rail (31) provided on the cabin (2) side with a lowermost rail, and a door slidably supported on the main rail (31) via a roller (37). A sub rail (33) provided on the (1) side, the sub rail (33) being fixed to the door (1), and being attached to the fixed rail (33a) so as to be slidable back and forth. was constructed from the slide rail (33b), in which the step of configuring the floor in front under the cabin (2) in seats (4) (6) is provided, the lower position than the step (6) Respect to the main rail (31) above the provided main rail (31), the door (1) the main and sub rail (33) in the closed state rail (31) having a cross-section of the U-shaped having an open lower side The roller (37) is supported on the slide rail (33b) via the bracket (34) so that the sub rail (33) is positioned below the step (6) and above the main rail (31). ) by positioning the cabin forming a door (storage space (S of the sub rail when closed 1) (33)).   The cabin according to claim 1, wherein a stay (39) having a U-shaped cross-section that opens to the outside of the side and forms a storage space (S) for the sub rail (33) is provided below the step (6).   The cabin according to claim 2, wherein the main rail (31) is fixed to a stay (39) having a U-shaped cross-section that opens to the outside of the side and forms a storage space (S) for the sub rail (33).   A weather strip (38) that is elastically pressed against the end face side of the step (6) when the door (1) is closed at a position corresponding to the end face height of the step (6) on the door (1) side. The cabin according to claim 1, 2, or 3.

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