JP2021092092A - Door structure - Google Patents

Abstract

To provide a door structure which is configured to prevent foreign substances from entering an edge of a closing member so as to be able to prevent the foreign substances from entering a guide rail and cause a door body to slide smoothly, and simultaneously which can prevent the sealing performance of the door structure from deteriorating due to the foreign substances being trapped between the door body and an opening.SOLUTION: In a lifting door 10, a cover member 15 is provided with a cover opening 15a whose shape is the same as that of an opening Wa of a wall body W, the cover member 15 is provided with a blocking member 16 that can close a gap between the cover member 15 and the wall body W at both the right and left sides and the upper side of the cover opening 15a, the blocking member 16 is displaceable between a closed state to close the gap and an open state to open the gap, and the blocking member 16 is closed when the door body 20 is in the open position and is open when the door body 20 is in the closed position.SELECTED DRAWING: Figure 1

Description

The present invention relates to a door structure, and more particularly to a technique for enhancing the sealing performance of a door that slides along a guide rail.

Conventionally, there is known a door in which a guide rail is provided on a wall body having an opening and the opening can be opened and closed by sliding the door body along the guide rail (for example, Patent Document 1). reference). In addition, in a door that allows the opening to be opened and closed by sliding the door body along the guide rail, a packing is provided on the door to ensure a sealed state, and a groove cover is provided to protect this packing. It is known (see, for example, Patent Document 2).

Japanese Unexamined Patent Publication No. 10-266700 Japanese Unexamined Patent Publication No. 2004-143720

In a door configured as in Patent Document 1, if a foreign substance enters the guide rail, the sliding displacement of the door body may not be smoothly performed. In addition, the sealing performance of the door may deteriorate due to foreign matter being caught between the door body and the opening. Even when the groove cover described in Patent Document 2 is provided on such a door, it is difficult to solve the above problem because foreign matter may enter from the end of the groove cover.

The present invention has been made in view of the above circumstances, and the problem to be solved by the present invention is to prevent foreign matter from entering the guide rail so that the door body can be smoothly displaced and the door can be slid. It is an object of the present invention to provide a door structure capable of preventing deterioration of sealing performance due to foreign matter being caught between the main body and the opening.

The present invention provides a door structure having the following structure in order to solve the above problems.

(1)
Along the pair of guide rails between a wall body having a rectangular opening, a pair of guide rails provided across the opening on one surface of the wall body, and the pair of guide rails. A door body that is slidably provided and a cover member that covers the wall body on the side of the one side of the wall body are provided, and the door body is provided between the wall body and the cover member. A door structure that opens and closes the opening by shifting between the open position and the closed position. The cover member is formed with a cover opening having the same shape as the opening, and the cover member has a cover opening having the same shape as the opening. A closing member capable of closing the gap between the cover member and the wall body on both sides of the cover opening on the side where the guide rail is provided and on the side of the door body at the closed position is provided, and the closing is performed. The member can be displaced into a closed state in which the gap is closed and an open state in which the gap is opened. The closed member is in the closed state when the door body is in the open position, and the door body is closed. Door structure that is opened when it is in position.

(2)
On the side of the pair of guide rails in the door body, guide rollers that are rotatable inside the guide rails are provided around the axis extending toward the guide rails, and the opening of the door body. One of the periphery and the peripheral edge of the door body is provided with a packing that comes into contact with the other when the door body closes the opening, and when the door body closes the opening. The door structure according to (1), wherein the guide rail guides the guide roller to displace the door body toward the wall body, whereby the other side presses the packing.

(3)
The guide rails are provided along the vertical direction on both the left and right sides of the opening, and the closing member is a first closing member rotatably provided around the axis along one side of the cover opening. A second closing member rotatably provided around the axis along the other side of the cover opening, and the first closing member includes a first lateral closing portion and a first upper closing portion. Is integrally formed, and the first lateral closing portion is capable of closing the gap between the cover member and the wall body at one side end side of the cover opening, and the first upper closing portion. Is capable of closing the gap between the cover member and the wall body at a part of the upper end side of the cover opening, and the second closing member includes a second lateral closing portion and a second upper closing portion. Is integrally formed, and the second side closing portion is capable of closing the gap between the cover member and the wall body at the other side end side of the cover opening, and the second upper closing portion is formed. The door structure according to (1) or (2), wherein the gap between the cover member and the wall body can be closed at another portion on the upper end side of the cover opening.

(4)
When the closing member is in the closed state, the other side end of the first upper closing portion and one side end of the second upper closing portion are inclined from the normal direction with respect to the wall body so as to be close to each other. The door structure according to (3), which is formed in.

The door structure according to the present invention described above has the following effects.

According to the configuration of (1), by preventing foreign matter from entering from the end of the closing member, foreign matter can be prevented from entering the guide rail, the door body can be smoothly displaced, and the door body and the opening can be opened. It is possible to prevent deterioration of the sealing performance of the door structure due to foreign matter being caught between the parts.

According to the configuration of (2), when the door body closes the opening, the open side guide roller and the closed side guide roller are guided by the open side inclined portion and the closed side inclined portion, respectively. Since the door body can be displaced toward the wall body and the door body and the periphery of the opening can be brought into close contact with each other via packing, it is possible to secure the sealing performance in the closed door structure.

According to the configuration of (3), the gap between the cover member and the wall body can be closed by driving the first closing member and the second closing member, so that the gap due to the closing member can be closed with a simple configuration. Can be opened and closed.

According to the configuration of (4), it is possible to smoothly close the gap between the cover member and the wall body by driving the first closing member and the second closing member.

The perspective view which shows the open state of the door structure which concerns on one Embodiment. A side sectional view showing the open state of the door structure as well. FIG. 2 is a cross-sectional view taken along line XX in FIG. Similarly, a perspective view showing a closed state of the door structure. A side sectional view showing the closed state of the door structure as well. FIG. 5 is a cross-sectional view taken along the line YY in FIG. Front view showing the closed structure of the door body. Front view showing the open structure of the door body. An exploded perspective view showing the relationship between the door body and the guide rail.

Hereinafter, the elevating door 10 which is an embodiment of the door structure according to the present invention will be described with reference to FIGS. 1 to 9. As shown in FIGS. 1 to 3, the elevating door 10 according to the present embodiment includes a wall body W, a pair of guide rails 11 and 11, a cover member 15, a door body 20, and the like as main constituent members. Hereinafter, each component will be described in order.

The wall body W is erected on the floor surface G, and a rectangular opening Wa is formed below the wall body W. A pair of guide rails 11 and 11 are provided along the vertical direction on both the left and right sides of the opening Wa on the front surface (the surface on the front side of the paper surface in FIG. 1), which is one surface of the wall body W. The upper ends of the guide rails 11 and 11 are connected by the upper member 12. A door body 20 is provided between the guide rails 11 and 11 so as to be slidable in the vertical direction along the pair of guide rails 11 and 11.

On the front side of the wall body W, a portion other than the front of the opening Wa is covered with a box-shaped cover member 15. In other words, the door body 20, the guide rails 11 and 11, the upper member 12, and the mechanism for raising and lowering the door body 20 in the elevating door 10 are housed inside the cover member 15.

Then, in the elevating door 10, the door body 20 is located between the wall body W and the cover member 15 in an open position (upper position shown in FIGS. 1 to 3 in this embodiment) and a closed position (also from FIG. 4). It is configured to open and close the opening Wa by displacing it from the lower position shown in FIG. The structure of the door structure according to the present invention is not limited to the elevating door in which the door body moves up and down, and for example, the door body may slide in the horizontal direction.

As shown in FIGS. 2 and 3, the cover member 15 is formed with a rectangular cover opening 15a having the same shape as the opening Wa of the wall body W. Further, the cover member 15 is provided with a closing member 16 capable of closing the gap between the cover member 15 and the wall body W on both the left and right sides and the upper side of the cover opening 15a. That is, the closing member 16 has the wall body W and the left and right sides, which are the sides where the guide rails 11 and 11 are provided, and the upper side, which is the side of the door body 20 in the closed position, in the cover opening 15a. It is configured to close the gap between them.

The closing member 16 can be displaced into a closed state in which the gap between the cover member 15 and the wall body W is closed as shown in FIGS. 1 to 3 and an open state in which the gap is opened as shown in FIGS. 4 to 6. Has been done. Then, the closing member 16 is put into a closed state when the door body 20 is in the open position, and is put into an open state when the door body 20 is in the closed position. More specifically, the closing member 16 can be closed when the door body 20 is in the open position, and the door body 20 can be closed when the closing member 16 is open.

In the present embodiment, as shown in FIGS. 1 and 3, the closing member 16 includes a left closing member 16L which is a first closing member and a right closing member 16R which is a second closing member. The left side closing member 16L is rotatably provided around the axis along the left side, which is one side of the cover opening 15a, via hinges 19 and 19. Further, the right side closing member 16R is rotatably provided around the axis along the right side, which is the other side of the cover opening 15a, via hinges 19 and 19.

A left motor ML is provided on the lower hinge 19 of the hinges 19 and 19 that support the left closing member 16L. The left side closing member 16L can be rotated by driving the left side motor ML. Similarly, the right side closing member 16R can be rotated by driving the right side motor MR. The hinges 19 and 19, the left side motor ML, and the right side motor MR can be provided inside the cover member 15 (on the side of the wall body W). Further, it is also possible to configure the left side closing member 16L and the right side closing member 16R to be rotated by another drive source such as manual operation.

As shown in FIGS. 1 and 4, the left side closing member 16L is integrally composed of a left side closing part 17L which is a first side closing part and an upper left side closing part 17U which is a first upper closing part. .. As shown in FIGS. 1 and 3, the left side closing portion 17L can close the gap between the cover member 15 and the wall body W at the left end side of the cover opening 15a. Further, as shown in FIGS. 1 and 3, the upper left closing portion 17U can close the gap between the cover member 15 and the wall body W in a part of the left side of the upper end side of the cover opening 15a.

Further, as shown in FIGS. 1 and 4, the right side closing member 16R is integrally composed of a right side closing part 18R which is a second side closing part and an upper right side closing part 18U which is a second upper closing part. ing. As shown in FIGS. 1 to 3, the right side closing portion 18R can close the gap between the cover member 15 and the wall body W at the right end side of the cover opening 15a. Further, the upper right side closing portion 18U can close the gap between the cover member 15 and the wall body W at the other portion on the right side of the upper end side of the cover opening 15a.

In the elevating door 10 according to the present embodiment, the closing member 16 configured as described above can be displaced between the closed state and the open state. Specifically, when the closing member 16 is in the open state as shown in FIG. 4, the left closing member 16L is rotated counterclockwise in a plan view by the drive of the left motor ML, and the left closing portion 17L is the cover opening. The gap between the cover member 15 and the wall body W is closed at the left end side of the 15a. At the same time, the upper left closing portion 17U closes the gap between the cover member 15 and the wall body W on the left side of the upper end side of the cover opening 15a.

Further, the right side closing member 16R is rotated clockwise in a plan view by the drive of the right side motor MR, and the right side closing part 18R creates a gap between the cover member 15 and the wall body W at the right end side of the cover opening 15a. Block. At the same time, the upper right closing portion 18U closes the gap between the cover member 15 and the wall body W on the right side of the upper end side of the cover opening 15a.

As described above, in the elevating door 10, the left side closing member 16L is integrally formed of the left side closing part 17L and the upper left side closing part 17U, and the right side closing member 16R is formed of the right side closing part 18R and the upper right side closing part 18U. It is configured integrally with. As a result, the gap between the cover member 15 and the wall body W can be closed by two drive units (left side motor ML and right side motor MR) on both the left and right sides and the upper side of the cover opening 15a. In other words, by driving the left side closing member 16L and the right side closing member 16R, respectively, the gap between the cover member 15 formed on the three sides of the cover opening 15a and the wall body W can be closed. As described above, according to the elevating door 10 according to the present embodiment, the gap can be opened and closed by the closing member 16 with a simple configuration.

In the present embodiment, the right end of the upper left closing portion 17U of the left closing member 16L and the left end of the upper right closing portion 18U of the right closing member 16R are wall bodies when the closing member 16 is closed. It is formed so as to be inclined from the normal direction with respect to W and close to each other. As a result, when the left side closing member 16L is closed and then the right side closing member 16R is closed, and when the right side closing member 16R is opened and then the left side closing member 16L is opened. The left side closing member 16L and the right side closing member 16R can be smoothly rotationally driven without interfering with each other.

The door body 20 is a plate-shaped member having a thickness in the front-rear direction, which is formed by combining metal members. The door body 20 is provided so as to be slidable in the vertical direction along the guide rails 11 and 11 between the pair of guide rails 11 and 11 erected on both sides of the door body 20. The guide rails 11 and 11 are provided on both sides of the opening Wa in the wall body W along the vertical direction. Both ends of the upper member 12 are connected to the upper ends of the guide rails 11 and 11, respectively, and are fixed to the wall body W. In the present embodiment, the two guide rails 11 and 11 and the upper member 12 form a frame body in the elevating door 10.

As shown in FIGS. 3 and 6, the guide rails 11 and 11 have a groove shape 11a formed on the surfaces facing each other. A guide roller (open side guide roller 26U and closed side guide roller 26D) extending from the door body 20 is inserted into the groove shape 11a. As shown in FIG. 9, in the present embodiment, of the inner peripheral surface of the groove shape 11a of the guide rail 11, the lower half region of the front surface (the surface far from the wall body W) is the guide roller 26U. An inclined member 13 for guiding the 26D is provided. Further, as shown in FIG. 9, the upper member 12 is opened with two through holes 12a and 12a that penetrate the upper member 12 in the vertical direction. A rope r is inserted through the through holes 12a and 12a.

The door body 20 is composed of a combination of side frame members 21 and 21, connecting frame members 22 and 22, internal frame members 23, front panel 24, and rear panel 25. The side frame members 21 and 21 are arranged on both sides of the door body 20. The upper and lower ends of the side frame members 21 and 21 are connected by the connecting frame members 22 and 22. The upper connecting frame member 22 is opened with two through holes 22a and 22a that penetrate the connecting frame member 22 in the vertical direction. A rope r is inserted through the through holes 22a and 22a.

The inner frame member 23 connects the central portions of the side frame members 21 and 21 in the vertical direction. The front panel 24 and the rear panel 25 are fixed to the front and rear surfaces of the side frame members 21 and 21, the connecting frame members 22 and 22, and the inner frame member 23, respectively.

In the present embodiment, as shown in FIG. 7, around the opening Wa in the wall body W, when the door body 20 closes the opening Wa, it comes into contact with the peripheral edge of the rear panel 25 in the door body 20. A resin packing P is provided. It is also possible to provide the packing P on the peripheral edge of the rear panel 25 so that the packing P comes into contact with the periphery of the opening Wa in the wall body W when the door body 20 closes the opening Wa. Is.

From the side frame members 21 and 21 of the door body 20, two guide rollers 26U each are directed to the outside of the guide rails 11 and 11 (both left and right sides) along the vertical direction, which is the sliding direction of the door body 20. -26D is extended and provided. Specifically, on the outer surface of the side frame member 21, the opening side guide roller 26U is provided on the upper side, which is the side in which the door body 20 slides when the opening Wa is opened, in the sliding direction of the door body 20. Similarly, on the outer surface of the side frame member 21, the closing side guide roller 26D is provided on the lower side of the sliding direction of the door main body 20, which is the side on which the door main body 20 slides when closing the opening Wa.

The guide rollers 26U and 26D are rotatable around the axis extending toward the guide rails 11 and 11 inside the guide rails 11 and 11 (inside the groove shape 11a). As a result, when the door body 20 slides along the guide rails 11 and 11, the guide rollers 26U and 26D follow the groove shape 11a of the guide rails 11 and 11 (more specifically, the front and rear surfaces in the groove shape 11a). And rotate. As shown in FIGS. 2 and 5, the closed-side guide roller 26D is formed to have a smaller diameter than the open-side guide roller 26U.

A right door pulley 30R and a left door pulley 30L, which are moving pulleys, are fixed to the upper surface of the inner frame member 23. The right door pulley 30R is configured by rotatably assembling a rope ring 32R to a fixing member 31R via a rotation shaft 33R. Further, the left door pulley 30L is configured by rotatably assembling a rope ring 32L to a fixing member 31L via a rotation shaft 33L. Then, a rope r is wound around the right door pulley 30R and the left door pulley 30L.

A pair of fixed pulleys, the first fixed pulley 40 and the second fixed pulley 50, are fixed on the upper side of the opening Wa in the wall body W. Specifically, the first fixed pulley 40 and the second fixed pulley 50 are fixed with the through hole 12a of the upper member 12 interposed therebetween. The constant pulley 40 is configured by rotatably assembling a cord ring 42 to a fixing member 41 via a rotation shaft 43. The second fixed pulley 50 is configured by rotatably assembling a cord ring 52 to a fixing member 51 via a rotation shaft 53. Both ends of the rope r sandwiching the left and right door pulleys 30R and 30L are wound around the first constant pulley 40 and the second fixed pulley 50, respectively.

As shown in FIGS. 7 and 8, the rope r is wound around the first fixed pulley P1 on one end side (right side in FIGS. 7 and 8) of the constant pulley 40, and one end is further wound on the motor side pulley Pm. Be connected. The motor-side pulley Pm is connected to the electric motor M, which is the first drive unit arranged on the floor surface G. Further, the rope r is wound around the second fixed pulley P2 on the other end side (left side in FIG. 7) of the second fixed pulley 50, and the other end is further connected to the handle side pulley Ph. The handle-side pulley Ph is connected to a manual handle H, which is a second drive unit arranged on the floor surface G. The manual handle H is locked so as not to rotate during normal operation (when the electric motor M is used as the main drive source).

In the elevating door 10 configured as described above, the electric motor M, which is the first driving unit, elevates and drives the door body 20. Specifically, when the electric motor M extends the rope r in the direction of the arrow R1 in FIG. 7, the door body 20 descends downward as shown by the arrow D in FIG. 7 due to its own weight. On the contrary, when the electric motor M drives the motor side pulley Pm and winds the rope r in the direction of the arrow R3 in FIG. 8, the door body 20 is pulled upward as shown by the arrow U in FIG. As described above, in the elevating door 10 according to the present embodiment, the door body 20 is formed between the guide rails 11 and 11 by driving the electric motor M to move the door body 20 up and down. It can be opened and closed.

Further, in the elevating door 10, the door body 20 can be elevated and driven by the manual handle H which is the second driving unit. Specifically, the user unlocks the manual handle H, rotates the manual handle H, and drives the handle side pulley Ph. As a result, when the rope r is extended in the direction of the arrow R2 in FIG. 7, the door body 20 descends downward due to its own weight as shown by the arrow D in FIG. On the contrary, when the user rotates the manual handle H in the opposite direction, the rope r is wound in the direction of the arrow R4 in FIG. 8, and the door body 20 is pulled upward as shown by the arrow U in FIG. Be done. As described above, in the elevating door 10 according to the present embodiment, the door body 20 is formed between the guide rails 11 and 11 even when the user rotates the manual handle H to move the door body 20 up and down. The opening Wa can be opened and closed.

According to the elevating door 10 according to the present embodiment, as described above, the door body 20 is driven by driving the electric motor M which is the first driving unit and / or the manual handle H which is the second driving unit. It can be raised and lowered. As a result, even if the door body 20 cannot be raised or lowered by the electric motor M for some reason, the raising and lowering door 10 can be opened and closed by raising and lowering the door body 20 with the manual handle H.

Further, according to the elevating door 10 according to the present embodiment, the electric motor M is adopted as the first drive unit, and the manual handle H is adopted as the second drive unit. As a result, the elevating door 10 can be opened and closed by electric power using the electric motor M at normal times. Even if the electric motor M cannot drive the elevating door 10 due to a power failure or the like, the elevating door 10 can be opened and closed by raising and lowering the door body with the manual handle H.

In the elevating door 10 according to the present embodiment, when the door body 20 closes the opening Wa, the guide rails 11 and 11 guide the guide rollers 26U and 26D so that the door body 20 is on the side of the wall body W. It is configured to be displaced backwards. Specifically, as shown in FIG. 9, the inclined member 13 is provided on the front surface (the surface far from the wall body W) of the inner peripheral surfaces of the groove shape 11a in the guide rail 11. Then, in order to guide the open side guide roller 26U on the upper part of the inclined member 13, an open side inclined portion 13a that inclines backward toward the lower side is formed, and on the lower part of the inclined member 13, the closing side guide roller is formed. In order to guide the 26D, a closed side inclined portion 13b that inclines further rearward toward the lower side is formed.

In the elevating door 10 configured as described above, when the door body 20 closes the opening Wa, the inclined members 13 in the guide rails 11 and 11 guide the guide rollers 26U and 26D to make the door body 20 a wall body. Displace to the W side. As a result, the peripheral edge of the rear panel 25 of the door body 20 is configured to press the packing P. As described above, in the present embodiment, the door body 20 and the periphery of the opening Wa can be brought into close contact with each other via the packing P, so that the airtightness or watertightness of the closed elevating door 10 can be ensured with a simple configuration. It becomes possible to do.

The packing P may be provided on the peripheral edge of the rear panel 25 so that the packing P comes into contact with the periphery of the opening Wa in the wall body W when the door body 20 closes the opening Wa. In this case, when the door body 20 closes the opening Wa, the door body 20 is displaced toward the wall body W, so that the periphery of the opening Wa presses the packing P.

Further, in the elevating door 10 according to the present embodiment, the inclined member 13 is provided on the inner peripheral surface on the front side of the guide rails 11 and 11, and the open side inclined portion 13a and the closed side inclined portion 13b formed on the inclined member 13 form the inclined member 13. , The open side guide roller 26U and the closed side guide roller 26D are guided, respectively. As a result, the door body 20 can be displaced toward the wall body W with a simple configuration, and the door body 20 and the periphery of the opening Wa can be brought into close contact with each other via the packing. It is possible to ensure airtightness or watertightness.

Further, the elevating door 10 according to the present embodiment is configured such that a pair of guide rails 11 and 11 are provided along the vertical direction in the wall body W, and the opening Wa is closed by lowering the door body 20. As a result, when the door body 20 closes the opening Wa, the door body 20 is displaced toward the wall body W by using the weight of the door body 20 to move the door body 20 and the periphery of the opening Wa. It can be brought into close contact with the packing P. That is, according to the elevating door 10 according to the present embodiment, it is possible to secure airtightness or watertightness in a closed state with a simpler configuration as compared with a configuration in which the door body is slid horizontally. ..

Further, the elevating door 10 according to the present embodiment is configured such that the closing member 16 closes the gap between the wall body W at both the left and right sides and the upper side of the cover opening 15a. As a result, foreign matter can be prevented from entering the guide rails 11 and 11 when the door body 20 is in the open position. Therefore, when the closing member 16 is in the open state and the door body 20 is in the closed position, the door body 20 is displaced by sliding. Can be performed smoothly.

Further, according to the elevating door 10, it is possible to prevent foreign matter from being caught between the door body 20 and the opening Wa of the wall body W by the closing member 16. Therefore, the door body 20 can be appropriately brought into close contact with the packing P, so that the sealing performance of the door body 20 can be ensured. As described above, in the elevating door 10 according to the present embodiment, the door main body 20 is smoothly slid by preventing foreign matter from entering the guide rails 11 and 11, and the door main body 20 and the opening Wa are It is possible to prevent deterioration of the sealing performance due to foreign matter being caught between the doors.

The "foreign matter" described in this specification includes various small animals such as dust, foxes, mice, birds, insects, their nests, ice and snow, etc., depending on the environment in which the lifting door 10 is installed. Is assumed. For example, when a large door is installed in an outdoor environment, a small animal may invade the vicinity of the guide rail and form a nest by keeping the door open for a long period of time. In addition, when the door is installed in a cold region, rain or snow may enter the vicinity of the guide rail and freeze, which may adversely affect the smooth operation of the door body and the sealing performance. The elevating door 10 according to the present embodiment is particularly suitable because the closing member 16 can prevent foreign substances such as small animals and ice and snow from entering even in such an environment.

Further, in the elevating door 10 according to the present embodiment, the closing member 16 also functions as a fall prevention structure for the door body 20. That is, as shown in FIGS. 1 and 2, when the closing member 16 is closed while the door body 20 is in the open position, even if the rope r is broken, the closing member 16 causes the door body 20 to fall. It can be stopped. In this way, since the closing member 16 can prevent the door body 20 from falling, the safety of the elevating door 10 can be enhanced.

Further, in the closing member 16, the left closing portion 17L and the right closing portion 18R are arranged along the vertical direction which is the vertical direction of the door body 20. As a result, the strength of the closing member 16 in the vertical direction can be increased, so that the safety of the elevating door 10 can be further increased.

Further, in the elevating door 10 according to the present embodiment, the door body 20 is configured to move up and down along the guide rails 11 and 11, but the configuration of the door structure according to the present invention is limited to the elevating door. There is no. For example, the guide rails may be arranged above and below the opening toward the horizontal direction, and the door body may slide horizontally along the guide rails.

Further, in the elevating door 10 according to the present embodiment, the closing member 16 is composed of two members, the left closing member 16L and the right closing member 16R, but the closing member can also be integrally formed. For example, it is possible to have a structure in which the closing member is rotated by a shaft rotation such as a single door or a flip-up door. Further, even when the closing member is composed of two members as in the present embodiment, it is possible to adopt the flip-up type.

10 Lifting door (door structure) 11 Guide rail
11a Groove shape 12 Upper member
12a Through hole 13 Inclined member
13a Open side inclined part 13b Closed side inclined part
15 Cover member 15a Cover opening
16 Blocking member 16L Left side blocking member (first blocking member)
16R Right side blocking member (second closing member)
17L left side occlusion (first side occlusion)
17U Left upper obstruction (first upper obstruction)
18R Right side obstruction (second side obstruction)
18U Right upper obstruction (second upper obstruction)
19 hinge
20 Door body 21 Side frame member
22 Connecting frame member 22a Through hole
23 Internal frame member 24 Front panel
25 Rear panel 26U Open side guide roller 26D Closed side guide roller 30L Left door pulley 31L Left side fixing member
32L left side cord ring 33L left side rotation shaft
30R Right door pulley 31R Right fixing member
32R Right side cord 33R Right side rotation shaft
40 First constant pulley 41 Fixing member
42 Cable ring 43 Rotating shaft
50 Second fixed pulley 51 Fixing member
52 Cable ring 53 Rotating shaft
G floor surface M electric motor
ML left motor MR right motor
H Manual handle Pm Motor side pulley
Ph Handle side pulley P1 First fixed pulley P2 Second fixed pulley
U arrow D arrow
R1-4 Arrows G1-5 1st-5th regions
W wall body Wa opening
P packing r rope

Claims (4)

A wall body with a rectangular opening and
A pair of guide rails provided across the opening on one surface of the wall body,
A door body slidably provided between the pair of guide rails along the pair of guide rails,
A cover member that covers the wall body on the side of the one surface of the wall body is provided.
A door structure in which the door body opens and closes the opening by displacing between the open position and the closed position between the wall body and the cover member.
The cover member is formed with a cover opening having the same shape as the opening.
The cover member includes a closing member capable of closing the gap between the cover member and the wall body on both sides of the cover opening on the side where the guide rail is provided and on the side of the closing position on the door body side. Provided,
The closing member can be displaced into a closed state in which the gap is closed and an open state in which the gap is opened.
The closing member has a door structure in which the door body is closed when the door body is in the open position and is opened when the door body is in the closed position. On the side of the pair of guide rails in the door body, guide rollers that can rotate inside the guide rails are provided around the axis extending toward the guide rails.
One of the periphery of the opening and the peripheral edge of the door body is provided with a packing that comes into contact with the other when the door body closes the opening.
Claim that when the door body closes the opening, the guide rail guides the guide roller to displace the door body toward the wall body, so that the other presses the packing. The door structure according to 1. The guide rails are provided along the vertical direction on both the left and right sides of the opening.
The closing member is provided so as to be rotatably provided around the axis center along one side of the cover opening and rotatably around the axis along the other side of the cover opening. With a second blocking member,
The first blocking member is integrally composed of a first lateral closing portion and a first upper closing portion.
The first lateral closing portion is capable of closing the gap between the cover member and the wall body at one side end of the cover opening.
The first upper closing portion is capable of closing the gap between the cover member and the wall body at a part of the upper end side of the cover opening.
The second blocking member is integrally composed of a second lateral closing portion and a second upper closing portion.
The second side closing portion is capable of closing the gap between the cover member and the wall body at the other side end side of the cover opening.
The door structure according to claim 1 or 2, wherein the second upper closing portion can close a gap between the cover member and the wall body at another portion on the upper end side of the cover opening. .. The other side edge of the first upper blockage portion and one side edge side of the second upper blockage portion are inclined from the normal direction with respect to the wall body and approach each other when the blockage member is in the closed state. The door structure according to claim 3, which is formed in.

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