JPH04106285A - Key construction for door - Google Patents

Abstract

PURPOSE:To ensure the locking and unlocking of a door by making rectilinear motion of key levers by the rotating operation of a key controlling mechanism through converting mechanism, and constituting the key so that they are inserted into inserting sections to lock the door. CONSTITUTION:When a key is inserted into a key insertion port 85A to make rotating operation, a pair of key levers 83 make rectilinear motion through a rotary panel 84 and links 87. The key levers 83 are respectively inserted into key lever inserting sections 20B and 21B of an upper side frame member 20 and a lower side frame member 21 to lock a door. When the key levers 83 are pulled out from the key lever inserting sections 20B and 21B, the door in a state of locking is released.

Description

[Detailed Description of the Invention] [Prior Art] For example, a wooden door such as an entrance door is constructed by incorporating a lining in a frame around the perimeter or by pasting together boards. Key structure is included.

[Problem to be solved by the invention]

By the way, the present inventor has developed a door structure that includes a connecting rod having a bar part and a threaded part on both ends thereof, and a fastening member that is threadedly engaged with the threaded part, and that accommodates a predetermined through hole. The members are stacked on top of each other, and the connecting rods are respectively inserted into a series of through holes in each of the component members, and the stopper portion prevents the connecting rods from coming out from one end of each door component, and the fastening members are connected. The present invention proposes a door-constituting coupling tool in which each door-constituting member is pressed against and connected to each other by being screwed onto a screw of a rod and tightened.

Wooden doors, etc. manufactured using such jlIllf assembly fittings do not need to be assembled by pressing each component member together using a press device (this makes door manufacturing easier and lower costs). In addition, by forming each door component member with a strip-shaped member, it is possible to solve the shortage of wood resources and to effectively utilize thinned wood.

An object of the present invention is to provide a door key structure that can be optimally used as a key structure for a door manufactured using the above-mentioned door construction coupling tool.

The above and other objects and novel features of the present invention will become apparent from the description of this specification and the accompanying drawings.

Means for Solving Jl 2 Among the inventions disclosed in this application, a brief overview of typical inventions is as follows.

That is, the door key structure of the present invention includes a key rod that projects from the outer circumferential surface of the door so as to be capable of linear movement along the axial direction, a key operation mechanism that moves the key rod linearly by rotational operation, and and a conversion mechanism that is interposed between the key operation mechanism and converts the rotational movement of the key operation mechanism into a linear movement of the key rod, and a conversion mechanism formed on the opposing surface of the protruding end side of the key rod in the craft mounting part, The door is structured to include a key lever insertion portion in which the door is locked by inserting the key lever by linear movement thereof.

In this case, each of the door component members, each consisting of a connecting rod having a stopper portion and a threaded portion on both ends thereof, and a fastening member that is threadedly engaged with the threaded portion, and each having a predetermined through hole, is stacked on top of each other. The connecting rods are respectively inserted into the series of through holes of the component members, the connecting rods of each component are prevented from coming out from one end side by the strut and bar portions, and the fastening member is screwed into the threaded portion of the connecting rod. It is possible to have a structure in which a door-constituting coupling tool is provided, which connects the respective door-constituting members by pressure contact with each other by being tightened, and is incorporated in this door-constituting coupling part.

Also, the above! It is possible to have a structure in which the door constituent members are stacked horizontally, diagonally, or vertically.

[Effect]

According to the above-mentioned door key structure, the key rod moves linearly through the conversion mechanism by the rotation operation of the key operation mechanism, and is inserted into the key rod insertion part to lock the door, and the key rod is inserted into the key rod insertion part to lock the door. Since the door is unlocked when the door is pulled out, the door can be reliably locked and unlocked.

In this case, each of the door component members, each consisting of a connecting rod having a stopper portion and a threaded portion on both ends thereof, and a fastening member that is threadedly engaged with the threaded portion, and each having a predetermined through hole, is stacked on top of each other. The connecting rods are respectively inserted into a series of through holes of the component members, and the stopper portion prevents the connecting rods from coming off from one end side of each component member, and the fastening member is screwed into the threaded portion of the connecting rod and tightened. If the structure is such that the door constituent members are pressed together and connected to each other, and a structural coupling tool is provided, and the structure is incorporated in this door constituent coupling part, the coupling rod is inserted into the through hole of each door constituent member. After inserting each of the door components and stacking the door components on top of each other,
By screwing the fastening means into the threaded part of the connecting rod and tightening, the door components can be pressed against each other and assembled, so there is no need for a press device or the like.
The door can be manufactured easily and at a lower cost.
Further, it can be optimally used as a key structure of a door manufactured by the door construction coupling tool.

In addition, since the door can be manufactured by combining each door component that is stacked on top of each other, it is possible to form the door component from, for example, thinned wood in the shape of a horizontally long strip. It is possible to resolve resource shortages and make effective use of thinned wood.

Embodiment 1] Fig. 1 is a vertical sectional view showing a door to which a door key structure according to an embodiment of the present invention is applied, and Fig. 2 is a door construction coupling to which the door key structure is applied. 3 is a vertical sectional view showing the door, FIG. 4 is a sectional view showing the door constituent members,
Fig. 5 is a longitudinal sectional view showing the coupling tool for configuring the door, Fig. 6 is a plan view showing the door configuring members, Fig. 7 is a plan view showing other door configuring members, and Fig. 8 is a plan view showing the door configuring members. It is a front view.

The door construction connector in this embodiment is applied to an entrance door of a residential building, and as shown in FIG. It is provided with first and second door constituent members 1.2 having.

Further, as shown in FIG. 5, the door has a connecting rod 5 having a stopper part 3 and a male threaded part 4 on the upper and lower ends, respectively, and a fastening member 6 screwed into the male threaded part 4. A tool 81 is provided.

The first and second door constituent members 1.2 are made of Japanese pine.

It is formed into a horizontal strip of thinned wood such as cedar and cypress, auspicious wood, and defective wood.

As shown in FIG. 4, the first door component 1 is a pair of components forming the upper and lower ends of the door, and the upper and lower end surfaces are formed into a horizontal surface and an inclined surface, respectively.

A recess IB with a circular cross section in which the fastening member 6 or the stopper part 3 is buried is formed in the horizontal surface of the first door component 1 and communicates with the through hole IA. The diameter is larger than the inner diameter.

Moreover, a tongue-and-groove fitting groove IC is formed on the inclined surface of the first door component 1 so as to extend between the pair of through holes IA.

Furthermore, the first door component 1 is formed with a bottle insertion hole ID that crosses the through hole IA.

On the other hand, the second door constituent member 2 is made up of a large number of constituent members forming between the upper and lower ends of the door, and the upper and lower end surfaces are each formed into an inclined surface.

Moreover, a tongue-and-groove fitting groove 2C is formed on each inclined surface of the second door component 2, extending between the pair of through holes 2A.

As shown in FIG. 5, the coupling rod 5 of the first door-constituting coupling tool 81 includes a pipe-shaped penetrating member 7, which is made of metal or the like, and whose length can be adjusted by cutting. It is composed of a substantially cylindrical screw member 8 and a stopper member 9 that are fitted and fixed to the upper and lower ends.

Elongated holes 7A that face each other and extend in the vertical direction are formed at the upper and lower ends of the penetrating member 7, respectively.

The screw member 8 has a male threaded portion 4 provided around its outer periphery, and an insertion hole 8A having a circular cross section formed through the shaft core.

Further, the screw member 8 is formed with a bottle insertion hole 8B that crosses the insertion hole 8Δ.

The stopper member 9 has a flange-like stopper portion 3 formed at one end thereof, and an insertion hole 9A having a square cross section formed through the shaft core portion.

Further, the stopper member 9 is formed with a pin insertion hole 9B that crosses the insertion hole 9A.

On the other hand, the fastening member 6 of the first door-constituting coupling tool 81 is formed of a nut having an outer diameter larger than the inner diameter of the through hole 1A.

Next, as shown in FIG. 5, the first door configuration coupling tool 81 of this embodiment includes a door opening/closing shaft 10 inserted and fixed into the insertion hole 8A of the screw member 8, and a stopper member 9 inserted into the shaft 10. It has a shaft 11 inserted and fixed into the hole 8A for opening and closing the door.

The shaft 10 is made of metal or the like and has a cylindrical shape, and the other shaft 1
1 is made of metal or the like and has a rectangular prism shape corresponding to the insertion hole 8A, and a truncated cone shape at the distal end thereof.

Pin insertion holes 10A and 11A are formed in each shaft 10 and 11, respectively.

On the other hand, as shown in FIGS. 3 to 8, an upper frame member 20 and a lower frame member 21 of the opening to which the door is attached
(Door mounting part) has a shaft support 2OA for 110.11.
, 21A are formed, and each shaft 10, 11 is connected to each shaft support 2.
By being pivotally supported by the OA and 21A, the door can be attached to the opening so as to be openable and closable.

Next, in this embodiment, as shown in FIGS. 1 and 2, a connecting rod 5 has a stopper portion 3 and a male threaded portion 4 on the upper and lower ends, respectively, and a fastening member 6 screwed into the male threaded portion 4.
A second door configuration coupling tool 82 is provided.

This second door configuration coupling tool 82 is the first door configuration coupling tool 8
1, so the description of the similar structure will be omitted by indicating it with the same reference numeral as that used for the first door-constituting coupling tool 81.

A through hole 82A having a perfect circular cross section is formed through the axial center of the stopper member 9 of the second door configuration coupling tool 82.

The second door configuration coupling tool 82 includes an insertion hole 8A of the screw member 8,
The stopper member 90 has a pair of cylindrical key rods 83 that are loosely inserted into the through holes 82A, and the key rods 83 extend on the upper and lower sides of the penetrating member 7, respectively.

A rotary disk 84 is rotatably provided in the middle of the penetrating member 7 of the second R configuration coupling 82, and this rotary disk 84 inserts a predetermined key into the key insertion port 85A (!11 operation mechanism) of the calculation handle 85. (not shown) is inserted and rotated to perform rotational movement via a rotating shaft 86.

The rotary disk 84 and the pair of key rods 83 are linked by a pair of links 87 which are each pivotally supported, and the key insertion slot 85A
The rotation operation of the key is transmitted to the key rod 83 through a conversion mechanism consisting of a rotary disk 84 and a link 87, so that the key rod 83 is moved up and down.

That is, the pair of key rods 83 are respectively protruded from the upper and lower end surfaces of the door by rotating the key in the key insertion hole 85A in one direction, and are projected from the upper and lower end surfaces of the door by rotating the key in the other direction into the key insertion hole 85A. The structure is said to be buried in the

A window 88 is provided in the penetrating member 7 so as not to obstruct the movement of the rotary disk 84 and the link 87, and a space (not shown) is similarly formed in the second door component 2 at this location. ing.

On the other hand, the key rods 83 of the upper frame member 20 and the lower frame member 21
A recessed key rod insertion portion 20B21B into which the key rod 83 is inserted by linear movement is formed on the opposing surface of the key rod 83, and the door is locked by inserting the key rod 83 into the key rod insertion portions 20B and 21B. On the other hand, the door is unlocked by detaching the key rod 83 from the key rod insertion portion 20B21B.

Next, the operation of this embodiment will be explained.

When assembling the door of this embodiment, for example, it is performed as follows.

First, as shown in FIGS. 1 and 3, the stopper member 9 is fitted and fixed by welding or adhesive to the lower end side of each penetrating member 7 of the first and second door structure coupling tools 81 and 82. .

And 'M31! As shown in I, after inserting 1ltllll into the insertion hole 8A of the stopper member 9 of the 1n-th configuration coupling tool 81, the upper end side of the penetrating member 7 is penetrated into the through-hole IA of the first door constituent member 10. 1 Door component 1 is recessed 11
The elongated hole 7A of the penetrating member 7, the first door component l, and the stopper member 9. After inserting the coupling bottle 30 into the bottle insertion holes ID, 9B, and IIA of the shaft 11, the first door component 11 penetrating member 7° stopper member 9. The shafts 11 are coupled and fixed to each other.

Next, the penetrating member 7 of the first door-constituting coupling tool 81 is passed through each through-hole 2A of the second door-constituting member 2, and a large number of second door-constituting members 2 are sequentially stacked on the first door-constituting member 1. (At this time, as shown in FIG.
After adjusting the height to the required height, the upper end side of the penetrating member 7 is cut to correspond to the required height.

Next, the screw member 8 is fitted and fixed to the upper end side of the penetrating member 7 protruding from the uppermost second door component 2 by welding or adhesive, and the shaft 10 is inserted into the insertion hole 8A of the screw member 8. After that, the upper end side of the penetrating member 7 is passed through the through hole IA of the first R component member 1.

Then, the elongated hole 7A and the bottle insertion hole I are aligned with each other.
D, 8B, and IOA to insert the coupling bin 30 into the first door component 11 penetrating member 7. The screw members 8° and the shafts 10 are coupled and fixed to each other.

On the other hand, in the second door configuration coupling tool 82, as shown in FIG. , the upper end side of the penetrating member 7 is passed through the through hole IA of the first door constituent member 1, and the first door constituent member 1 is stopped at the stopper part 3 within the recess 1% IB.

Next, the penetrating member 7 of the second door-constituting coupling tool 82 is loosely inserted into each through-hole 2A of the second door-constituting base material 2, and a large number of second door-constituting members 2 are sequentially attached onto the first door-constituting member 1. After stacking and adjusting to the required height, the upper end side of the penetrating member 7 is cut to correspond to the required height.

Next, the screw member 8 is fitted and fixed to the upper end side of the penetrating member 7 protruding from the second door component 2 at the uppermost stage by welding or adhesive, and the key rod 83 on the upper end side is inserted into the screw member 8. After being loosely inserted into the hole 8A, the upper end side of the penetrating member 7 is passed through the through hole 1A of the first door component 1.

After such a process, the recess IB of the first R component member 1
Connectors 81 and 82 for configuring the first and second doors protruded from the
The fastening members 6 are screwed onto each of the male threaded portions 4 through the washers 50 and tightened.

By tightening this fastening member 6, each door component 1.2
The doors are assembled by pressing the parts together and firmly connecting them.

Therefore, according to this embodiment, a door in which the door component members 1.2 are pressed together and firmly connected can be easily manufactured without requiring a press device or the like.
It is possible to reduce the cost of manufacturing the door.

Also, the length of each penetrating member 7 and each 'R1! ! 1 member 7
By adjusting the number of each door component 1.2 inserted, the door can be easily adjusted to an arbitrary height.

Therefore, it is possible to standardize door members such as the respective door constituent members 1 and 2 and the connecting rod 5.

Further, according to this embodiment, since the door can be constructed by combining the door constituent members 1.2 that are stacked vertically, for example, thinning material in the shape of a horizontally long strip,
It becomes possible to form each door component member 1, 2 using auspicious or defective materials, and as a result of the second result, it is possible to effectively utilize these materials and solve the shortage of wood resources.

Furthermore, since the door assembled as described above has a shaft 10.11 protruding from the upper and lower ends of one end, this shaft 10.11. II to the upper frame member 20. By fitting the shaft supports 2OA and 218 of the lower frame member 21, respectively, it can be easily attached to a predetermined opening so that it can be opened and closed. This eliminates the need for door frames, etc.

Further, according to the present embodiment, the pair of key rods 83 move linearly via the rotary disk 84 and the link 87 by the rotation operation of the key (not shown) with respect to the key insertion port 85A, so that the key rod insertion portion 20B , 21B, respectively, to lock the door, and are removed from the key rod insertion portions 20B, 21B to unlock the door, so that the door can be reliably locked and unlocked.

In particular, such a door key mechanism can be optimally used as a key mechanism for a door formed by the door configuration coupling tools 81 and 82 as in this embodiment.

[Two Embodiments] FIG. 9 is a sectional view showing another example of a door to which the door-side key structure according to one embodiment of the present invention is applied.

In the door of this second embodiment, the surface of each door component 1.2 is processed into a corrugated shape.

[Embodiment 3] FIG. 10 is a sectional view showing another example of a door to which a door-side key structure according to an embodiment of the present invention is applied.

The door of this embodiment 3 has through holes IA in each door component member 1 and 2.
, 2A are formed not in the middle in the front-rear direction, but biased toward the -blade side, and the door is constructed by stacking the plurality of door-constituting members 1.2 alternately.

[Embodiment 4] FIG. 11 is a sectional view showing another example of a door to which a door-side key structure according to an embodiment of the present invention is applied.

The door of Example 4 has a second door component 2filJ interposed with a different material 60 made of a material different from that of each door component 1.2 and subjected to design processing.

Second Embodiment 5] FIG. 12 is a sectional view showing another example of a door to which the door single-key structure according to Embodiment 5- of the present invention is applied.

The door of Example 5 is assembled using the second door component 2, which has a foreign material 70 interposed halfway in the lateral direction, at required locations.

[Embodiment 6] FIG. 13 is a sectional view showing another example of a door to which the door single-key structure according to an embodiment of the present invention is applied.

In the door of this sixth embodiment, each field component 1.2 is connected by connecting each door component 1.2 using a tongue 40 whose height is greater than the sum of the heights of the pair of fitting grooves 2C. They are stacked at predetermined intervals.

[Embodiment 7] FIG. 14 is a partial front view showing another example of a door to which the door single key structure according to an embodiment of the present invention is applied.

In the door of Example 7, a single long door component 2 forming a row in the horizontal direction and a plurality of short door components 2 forming a row in the horizontal direction are stacked alternately. These door constituent members 2 are stacked together and connected by three connecting rods 5.

Embodiment 9] FIG. 15 is a sectional view showing another example of a door to which the door single-key structure according to an embodiment of the present invention is applied.

In the door of Example 8, the upper and lower surfaces of each door component 1.2 are formed in horizontal planes.

Although the invention made by the present inventor has been specifically explained based on Examples above, the present invention is not limited to Examples 1 to 9, and can be modified in various ways without departing from the gist thereof. Needless to say.

For example, although the door single key structure of the above embodiment is applied to an entrance door, the present invention is not limited to such an entrance door, and can be applied to, for example, an opening door, a sliding door,
It can also be applied to folding doors.

Further, in the above embodiment, the threaded portion of the connecting rod 5 is the male threaded portion 4, and the fastening member 6 is a nut member, but in the present invention, for example, the threaded portion is a female threaded portion, and the fastening member 6 is It may also be used as a male fastening member such as a bolt.

Further, in the above embodiment, the shafts 10 and 11 for opening and closing the door are respectively disposed at the upper and lower ends of the connecting rod 5. The shaft supports 2OA and 21A can be installed respectively, or the shaft 1
0 (11) and a shaft support 2OA (21A) may be provided.

Further, although the stopper portion 3 and the male threaded portion 4 in the above embodiments have different structures, for example, in the present invention, the stopper portion 3 may have the same structure as the male threaded portion 4.

In addition, in each of the above embodiments, the door component 1.2 is assembled by a pair of door component connectors 80, 81, but in the present invention, the door component 1.2 is used for three or more doors. It is also possible to have a structure assembled by means of constructional couplings.

Further, the door component 1.2 and the foreign material 60.7
For example, the material of 0 is ceramic.

Materials such as metal 1 resin, natural stone 9 artificial stone, and tiles can be used.

Further, it is also possible to form a window made of a glass plate, a glass plate, or the like at a predetermined location of the door in each of the above embodiments.

Further, in each of the embodiments described above, the rotary disk 84 is configured to be rotated by the rotation operation of the key inserted into the key insertion hole 85A, but in the present invention, the rotary disk 84 is rotated by the rotation operation of the key inserted into the key insertion hole 85A. It is also possible to have a structure in which the rotary disk 84 is rotated by rotating a knob provided on the rotary plate 85 .

Further, in the above embodiment, the rotational motion of the key inserted into the key insertion slot 85A is converted into the linear motion of the key rod 83 via the rotary disk 84 and the link 87, but in the present invention, It is also possible to adopt a structure in which the rotational movement of the key is converted into linear movement of the key rod 83, for example, via a cam mechanism.

Furthermore, in the embodiment described above, the layered members 12 are stacked vertically and combined, but in the present invention, the layered members 12 are stacked horizontally or diagonally. It is also possible to have a structure in which they are overlapped and connected.

〔Effect of the invention〕

Among the inventions disclosed in this application, the effects obtained by typical inventions are briefly described below.

(1) When the key rod moves linearly through the conversion mechanism by the rotation of the key operating mechanism, the key rod is inserted into the key rod insertion part and the door is locked, and the key rod is pulled out from the key rod insertion part and the door is opened. Since the locked state of the door is released, the door can be reliably locked and unlocked.

(2) In the case described above, each layer component consisting of a connecting rod having a stopper portion and a threaded portion on both ends, and a fastening member screwed into the threaded portion, and having a predetermined through hole is stacked on top of each other. The connecting rods are inserted into the series of through holes of each component, and the stopper portion prevents the connecting rods from coming out from one end of each component, and the fastening member is screwed into the screw of the connecting rod. If the structure is provided with a door construction coupling tool that presses and connects each layer constituent member to each other by being brought together and tightened, and is incorporated in this door composition coupling part, the above-mentioned coupling tool is installed in the through hole of each layer constituent member. After the layered members are stacked on each other by inserting the respective rods, the fastening means is screwed onto the threaded portion of the connecting rod and tightened, thereby making it possible to assemble the layered members by pressing them against each other. It is possible to simplify the manufacture of the door and reduce the cost without the need for such things, and it can also be optimally used as a key structure of a door manufactured by a connector for forming a front door.

(3) Since the door can be manufactured by combining each layer component that is stacked on top of each other, for example, it is possible to form the layer component from thinned wood in the shape of a horizontally long strip. It is possible to resolve resource shortages and make effective use of thinned wood.

[Brief explanation of drawings]

Fig. 1 is a longitudinal sectional view showing a door to which a door key structure according to an embodiment of the present invention is applied, and Fig. 2 is a longitudinal sectional view showing a door construction coupling to which the door key structure is applied. , Fig. 3 is a longitudinal cross-sectional view showing the door, Fig. 4 is a cross-sectional view showing the layer-constituting members, Fig. 5 is a longitudinal cross-sectional view showing the door-constituting coupling, and Fig. 6 is the layer-constituting members. FIG. 7 is a plan view showing other layered members, FIG. 8 is a front view of the door, and FIG. 9 is a door to which a door key structure according to an embodiment of the present invention is applied. 10 is a sectional view showing another example of a door to which the door lock structure according to an embodiment of the present invention is applied, and FIG. 11 is a sectional view showing another example of a door according to an embodiment of the present invention. FIG. 12 is a sectional view showing another example of a door to which a door key structure according to an embodiment of the present invention is applied; FIG. 13 is a sectional view showing another example of a door to which the door key structure, which is an embodiment of the present invention, is applied, and FIG.
! A partial front view showing another example of a door to which 4i construction is applied,
FIG. 15 is a sectional view showing another example of a door to which a door key structure according to an embodiment of the present invention is applied. 1...First door component, ]A...through hole, 2B...recess, IC...fitting groove, ■D...pin insertion hole, 2...second door component, 2A... Through hole, 2C... Fitting groove, 3... Stopper part, 4... Male thread part, 5... Connecting rod, 6... Fastening member, 7... Penetrating member, 7 A ・ 8 ・・ 8A ・ 8 B ・ 9 ・ ・ 9A ・ 9 B ・ 10 ・ ・ 10A ・ 11 ・ ・ ] IA ・ 20 ・ ・ 20Δ ・ 20B ・ 21 ・ ・ 21A ・ 21B ・ 30 ・ ・ 40 ・ ・ 50 ・ ・ ・ Length Hole, ・Screw member, ・Insertion hole, ・Bin insertion hole, ・Stopper member, ・Insertion hole, ・Bin insertion hole, ・Shaft, ・Bin insertion hole, ・Shaft, ・Bin insertion hole, ・Upper frame member (door) Mounting part), - Pivot support, - Key rod insertion part, - Lower frame member (door mounting part), - Pivot support, - Key rod insertion part, - Binding bottle, - Ratchet, - Washer, ε O.・ 70 ・ ・ 81 ・ ・ 82 ・ ・ 82A ・ 83 ・ ・ 84 ・ ・ 85 ・ ・ 85A ・ 86 ・ ・ 87 ・ ・ 88 ・ ・ ・Different material, ・Different material, ・First door configuration coupling tool, ・2nd door configuration connector, ・Through hole, Key rod, ・Turnable disc (conversion mechanism), ・Handle, ・Key insertion slot (key operation mechanism), ・Rotation shaft, ・Link (conversion mechanism), ・Window. patent applicant

Claims (1)

[Scope of Claims] 1. A key rod protruding from the outer peripheral surface of the door so as to be capable of linear movement along the axial direction, a key operating mechanism for linearly moving the key rod through rotational operation, and the key rod and the key. a conversion mechanism that is interposed between the operating mechanism and converts the rotational movement of the key operating mechanism into a linear movement of the key lever; 1. A key structure for a door, comprising: a key rod insertion portion that locks the door by being inserted by the linear movement of the key rod insertion portion. 2. Each of the door component members, each consisting of a connecting rod having a stopper portion and a threaded portion on both ends thereof, and a fastening member that is threadedly engaged with the threaded portion, and each having a predetermined through hole, is stacked on top of each other, and each of these component members is stacked on top of each other. The connecting rods are respectively inserted into the series of through holes, and the stopper portion prevents each component member from coming off from one end of the connecting rod, and the fastening member is screwed into the threaded portion of the connecting rod and tightened. 2. The door key structure according to claim 1, further comprising a door-constituting coupling tool for connecting the respective door-constituting members to each other in pressure contact with each other, and being incorporated in the door-constituting coupling part. 3. The door key structure according to claim 2, wherein the door constituent members are stacked in any one of horizontal, diagonal, and vertical directions.