JPH1037613A - Assembly structure of door frame - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible for even an unskilled worker to drive easily a screw which fixes a vertical frame with a horizontal frame accurately at the position of the horizontal frame from the side of the vertical frame. SOLUTION: A collar 10 is projectingly provided basically in the central part of a guide cylinder 7 having a threaded through hole 5. One end 7a of the guide cylinder 7 is inserted into a recessed area on the horizontal frame side provided on an opposed surface 2a between a vertical frame 1 and a horizontal frame 2. The other end 7a of the guide cylinder 7 is inserted into the recessed area on the vertical frame side provided on an opposed surface 1a between the vertical frame 1 and the horizontal frame 2. A treaded through hole which penetrates in the thickness direction of the vertical frame 1 from a recessed area on the vertical frame side, is made to communicate with the threaded through hole of the guide cylinder 7 and the threaded through hole of the vertical frame 1. The tip of a screw penetrated into the threaded through hole 5 of the guide cylinder 7 from the threaded through hole 6 of the vertical frame 1 is projected from one end 7a of the guide cylinder 7 and threaded with the horizontal frame 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door frame assembly structure.

[0002]

2. Description of the Related Art Conventionally, when assembling a door frame by fixing a vertical frame and a horizontal frame with screws, the horizontal frame and the vertical frame are abutted, and a wood screw is driven from the vertical frame side toward the horizontal frame. By inserting, the vertical frame and the horizontal frame were fixed.

[0003]

However, since the wood screw requires a length that penetrates the vertical frame and reaches the horizontal frame, the size of the wood screw becomes longer. In many cases, the horizontal frame and the vertical frame are displaced from each other on the way, or the wooden screw is bent at a wrong angle, so that the wooden screw cannot be driven into an accurate position of the horizontal frame. Skill was required to increase accuracy.

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and has a door frame assembling structure that enables a non-expert to easily drive a screw from a vertical frame to an accurate position in a horizontal frame. It is another object of the present invention to provide an assembling structure of a door frame capable of increasing a fitting force between a guide cylinder and a horizontal frame.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention relates to a door frame assembly structure in which a vertical frame 1 and a horizontal frame 2 are fixed with screws to form a door frame 4. A flange 10 protrudes from a substantially central portion of the guide cylinder 7 having the hole 5, and a horizontal frame side recess 8 for inserting one end 7 a of the guide cylinder 7 into a surface 2 a of the horizontal frame 2 facing the vertical frame 1. Provided, horizontal frame 2 of vertical frame 1
And a vertical frame-side recess 9 for inserting the other end 7b of the guide tube 7 in opposition to the horizontal frame-side recess 8 on the opposite surface 1a. The screw insertion hole 6 penetrating in the thickness direction of the vertical frame 1 is provided, and the opposing surface 1 of the horizontal frame 2 and the vertical frame 1 is provided.
a, 2a, a fitting recess 11 for inserting the flange 10 of the guide cylinder 7 is provided, and one end 7a of the guide cylinder 7 is inserted into the lateral frame side recess 8 and the other end of the guide cylinder 7 is provided. The screw insertion hole 5 of the guide cylinder 7 and the screw insertion hole 5 of the vertical frame 1 are inserted with the portion 7b inserted into the vertical frame side recess 9 and the flange portion 10 of the guide cylinder 7 inserted into the fitting recess 11. The distal end portion of the screw, which is in communication with the screw insertion hole 6 of the vertical frame 1 and is inserted into the screw insertion hole 5 of the guide cylinder 7, projects from the one end 7 a of the guide cylinder 7 and is screwed into the horizontal frame 2. With this configuration, the guide cylinder 7 can be used even by non-experts.
By using this, the screw can be easily driven from the vertical frame 1 to the accurate position of the horizontal frame 2, and the assembling workability is improved.

It is preferable that the outer peripheral surface of one end 7a to be inserted into the lateral frame side recess 8 of the guide cylinder 7 is formed by a knurled portion 12. In this case, the knurled portion 12 is connected to the lateral frame side recessed portion. 8, the fitting force between the guide cylinder 7 and the recess 8 on the side of the horizontal frame is improved, and the facing surface 1 a of the vertical frame 1 and the horizontal frame 2 is temporarily set while the screw is being driven. , 2
Even if a is separated, there is no fear that the guide cylinder 7 jumps out of the recess 8 on the side of the horizontal frame, and the screwing operation can be continued with ease.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below. As shown in FIG. 2, the door frame 4 of the present embodiment is mainly composed of a pair of left and right vertical frames 1 and a horizontal frame 2 (top frame) bridged between upper ends of the vertical frames 1. , Vertical frame 1
And the horizontal frame 2 are fixed to each other using a guide cylinder 7 and a wood screw 3. 20 in the figure is a hinge for attaching a door, 21
And 22 are construction rules for assembling the door frame 4.

The guide cylinder 7 is for aligning the vertical frame 1 and the horizontal frame 2 with each other. As shown in FIG.
It is formed in a right cylindrical shape, and a screw insertion hole 5 is formed through the center axis thereof. A flange 10 is provided at a substantially central portion of the outer peripheral surface of the guide cylinder 7 in the axial direction. A knurl portion 12 is formed on the outer peripheral surface of one end 7a of the guide cylinder 7 on the side inserted into a later-described lateral frame-side recess 8.
The guide tube 7 is prevented from easily coming out of the recess 8 on the side of the horizontal frame.

Of the vertical frame 1 and the horizontal frame 2 constituting the door frame 4, the horizontal frame 2 has a horizontal frame side recess in which one end 7a of a guide cylinder 7 is inserted into a surface 2a facing the vertical frame 1. 8 is recessed. On the other hand, the vertical frame 1 is provided with a vertical frame side recess 9 for inserting the other end portion 7b of the guide cylinder 7 on the surface 1a facing the horizontal frame 2. The vertical frame side recess 9 is opposed to the horizontal frame side recess 8, and the vertical frame side recess 9 and the horizontal frame side recess 8 are formed to have substantially the same size. Further, the vertical frame 1 is provided with a screw insertion hole 6 that penetrates from the inside of the vertical frame side recess 9 in the thickness direction of the vertical frame 1. The screw insertion hole 6 and the vertical frame side recess 9 are formed coaxially, so that the screw insertion hole 6 and the screw of the vertical frame 1 are inserted with the guide cylinder 7 inserted into the vertical frame side recess 9. The insertion holes 5 communicate with each other, and the wood screws 3 can be smoothly inserted from the screw insertion holes 6 of the vertical frame 1 to the screw insertion holes 5 of the guide cylinder 7. Further, in this embodiment, a fitting recess 11 is provided on the entrance side of the vertical frame side recess 9 so that the flange portion 10 of the guide cylinder 7 fits. The fitting recess 11 is provided in the flange 10
The vertical frame 1, the horizontal frame 2, and the guide cylinder 7 are positioned relative to each other by fitting the collar portion 10 into the fitting recess 11. The fitting recess 11 may be provided on the entrance side of the horizontal frame side recess 8 or may be provided on both the vertical frame 1 and the horizontal frame 2. Can be fitted into at least one of the vertical frame 1 and the horizontal frame 2.

When assembling the vertical frame 1 and the horizontal frame 2, first, as shown in FIGS. 1A, 3 and 4, the vertical frame 1 and the horizontal frame 2 are inserted into the horizontal frame side recess 8 provided in the horizontal frame 2. The knurled one end 7a of the guide cylinder 7 is fitted. At this time, an adhesive may be applied to one end 7a of the guide cylinder 7. In this case, both the locking force of the knurled portion 12 with the lateral frame side recess 8 and the adhesive strength of the adhesive are used. 7 can be reliably fixed in the horizontal frame side recess 8.

Next, as shown in FIG. 1B, the horizontal frame 2 and the vertical frame 1 are abutted, and the other end 7b of the guide cylinder 7 is inserted into the vertical frame side recess 9. At this time, the flange 1 of the guide cylinder 7
0 fits into a fitting recess 11 provided on the entrance side of the vertical frame side recess 9 to position the guide cylinder 7, the vertical frame 1 and the horizontal frame 2 with each other, and to insert the screw of the vertical frame 1. The hole 6 communicates with the screw insertion hole 5 of the guide cylinder 7. Thereafter, the wood screw 3 is inserted from the outside of the vertical frame 1 through the screw insertion hole 6 of the vertical frame 1 into the screw insertion hole 5 of the guide cylinder 7, and the tip of the wood screw 3 is pushed into the bottom of the horizontal frame side recess 8. When the wood screw 3 is driven in with the hammer or the like, the tip of the wood screw 3 is screwed into the horizontal frame 2 as shown in FIG. 5, and the vertical frame 1 and the horizontal frame 2 can be fixed to each other.

As described above, the wood screw 3 can be easily driven from the vertical frame 1 to the accurate position of the horizontal frame 2 by using the guide cylinder 7, so that the assembling accuracy of the door frame 4 is improved. Moreover, the vertical frame 1 is positioned with respect to the guide cylinder 7 by the flange portion 10 of the guide cylinder 7, and the one end 7 a of the guide cylinder 7 is fitted into the horizontal frame side recess 8 of the horizontal frame 2. There is no fear that the vertical frame 1 and the horizontal frame 2 are misaligned while the wood screw 3 is being driven, and even if the driving angle of the wood screw 3 is wrong, the wood screw 3 is inserted into the screw insertion hole 6 of the vertical frame 1. And guide cylinder 7
Since the screw 3 is guided by the screw insertion hole 5, the tip of the wood screw 3 can be easily driven into an accurate position of the horizontal frame 2 without fear of the wood screw 3 being bent. In addition, since the one end portion 7a of the knurled guide cylinder 7 fits into the recess 8 on the side of the horizontal frame, the fitting force between the guide cylinder 7 and the recess 8 on the side of the horizontal frame is increased. Assuming that the vertical frame 1 and the horizontal frame 2 face each other while
Even if a and 2a are separated from each other, there is no need to worry that the guide cylinder 7 jumps out of the lateral frame side recess 8, and the driving operation of the wood screw 3 can be continued with ease. As a result, no skill is required for the assembling work of the door frame 4, and anyone can assemble with high accuracy.

Furthermore, even after the vertical frame 1 and the horizontal frame 2 are fixed with the wood screws 3, the guide cylinder 7 remains between the opposing surfaces 1a and 2a of the vertical frame 1 and the horizontal frame 2. 7 is vertical frame 1
There is also an advantage that the door frame 4 can be more robustly assembled even when the wood screw 3 is used by acting to increase the connection strength between the door frame 4 and the horizontal frame 2. It is needless to say that the vertical frame 1 and the horizontal frame 2 may be fixed using a screw other than the wood screw 3.

[0014]

As described above, according to the first aspect of the present invention, in a door frame assembling structure in which a vertical frame and a horizontal frame are fixed with screws, a door frame is formed. A flange is projected from a substantially central portion of the guide cylinder having a hole, and a horizontal frame side recess for inserting one end of the guide cylinder is provided on a surface of the horizontal frame facing the vertical frame. On the opposite surface, a vertical frame side recess is provided to insert the other end of the guide cylinder opposite to the horizontal frame side recess, and a screw is inserted through the vertical frame from the vertical frame side recess in the thickness direction of the vertical frame. A hole is provided, a fitting recess for inserting the flange of the guide cylinder is provided on at least one of the opposing surfaces of the horizontal frame and the vertical frame, and one end of the guide cylinder is inserted into the recess on the horizontal frame side and the guide cylinder is inserted. With the other end inserted into the vertical frame side recess and the guide tube flange inserted into the fitting recess, the screw insertion hole of the guide tube and the screw insertion of the vertical frame are inserted. The guide tube is formed such that the distal end of a screw inserted through the screw insertion hole of the vertical frame into the screw insertion hole of the guide cylinder projects from one end of the guide cylinder and is screwed into the horizontal frame. The screw can be easily driven from the vertical frame to the accurate position of the horizontal frame by using, so that the assembling accuracy of the door frame is improved and the flange of the guide cylinder is fitted into the fitting recess. As a result, the positioning accuracy between the vertical frame and the horizontal frame is increased, and there is no fear that the vertical frame and the horizontal frame are misaligned during driving of the screw. Even if the driving angle of the screw is incorrect, the screw is guided by the screw insertion hole of the vertical frame and the screw insertion hole of the guide cylinder. The door can be easily driven into an accurate position, and as a result, no skill is required for assembling the door frame, and anyone can assemble the door frame with high accuracy.

According to a second aspect of the present invention, the outer peripheral surface of one end inserted into the lateral frame side recess of the guide cylinder of the first aspect is formed by a knurled portion. In addition, by making the knurled part into the recess on the side of the horizontal frame, the fitting force between the guide cylinder and the recess on the side of the horizontal frame is improved. Even if the opposing surfaces of the guide frame and the horizontal frame are separated from each other, there is no need to worry about the guide cylinder jumping out of the horizontal frame side recess, and the screwing operation can be continued with peace of mind, further improving the door frame assembling operation.

[Brief description of the drawings]

1A and 1B show an example of an embodiment of the present invention, in which FIG. 1A is a sectional view before assembling a door frame, and FIG. 1B is a sectional view after assembling.

FIG. 2 is an explanatory diagram of a door frame of the above.

FIG. 3 is an exploded perspective view of the horizontal frame and the guide cylinder in the same.

FIG. 4 is an exploded perspective view illustrating a state in which a guide cylinder is fitted into the horizontal frame-side recess of the above.

FIGS. 5A and 5B are a perspective view and a sectional view showing a state where the vertical frame and the horizontal frame are fixed with screws.

[Explanation of symbols]

 Reference Signs List 1 vertical frame 2 horizontal frame 2a facing surface 4 door frame 5, 6 screw insertion hole 7 guide cylinder 8 horizontal frame side recess 9 vertical frame side recess 10 collar 11 fitting recess 12 knurl

Claims (2)

[Claims] In a door frame assembling structure in which a vertical frame and a horizontal frame are fixed with screws to form a door frame, a flange is protruded from a substantially central portion of a guide cylinder having a screw insertion hole, and a lateral portion is provided. A lateral frame side recess for inserting one end of the guide cylinder is provided on the surface of the frame facing the vertical frame, and the other end of the guide cylinder is opposed to the horizontal frame side recess on the surface of the vertical frame facing the horizontal frame. The vertical frame side recess for inserting the portion is provided, and the vertical frame is provided with a screw insertion hole penetrating in the thickness direction of the vertical frame from within the vertical frame side recess, and the guide cylinder is provided on at least one of the opposing surfaces of the horizontal frame and the vertical frame. The fitting recess of the fitting of the collar part is provided,
Insert the one end of the guide cylinder into the recess on the horizontal frame side, insert the other end of the guide cylinder into the recess on the vertical frame side, and insert the flange of the guide cylinder into the fitting recess. The screw insertion hole and the screw insertion hole of the vertical frame communicate with each other, and the tip end of the screw inserted through the screw insertion hole of the vertical frame into the screw insertion hole of the guide cylinder projects from one end of the guide cylinder to the horizontal frame. An assembling structure of a door frame, which is screwed into the door frame. 2. The door frame assembly structure according to claim 1, wherein an outer peripheral surface of one end inserted into the lateral frame side recess of the guide cylinder is formed by a knurled portion.