JP3559232B2 - Flip-up gate - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention pivotally attaches the base end of the arm to a pair of left and right columns, pivotally attaches the tip of the arm to a door body, and lifts the arm from a closed position that vertically supports the door body near the ground. More particularly, the present invention relates to a flip-up type gate that is pivoted to an open position where it is horizontally supported above the column, and particularly relates to a structure in which a tip of an arm is attached to a door body.
[0002]
[Prior art]
A conventional flip-up gate will be described with reference to FIGS. FIG. 6 is a central longitudinal sectional view showing a conventional example of a flip-up type gate, FIG. 7 is a plan view, FIG. 8 is a sectional view of a main part showing a structure of a pivotal connection between a door body and an arm, and FIG. 10 is a front view corresponding to FIG.
In this flip-up gate, the base ends of a first arm 2a and a second arm 2b are pivotally attached to a pair of left and right columns 1, and the distal end of each arm is pivotally attached to a door body 3, and the door body 3 is grounded. From a closed position (position indicated by a solid line) vertically supported in the vicinity to an open position (position indicated by a chain line) supported horizontally above the column 1 with the first arm 2a as a radius. It is configured to rotate.
Regarding opening and closing of the door 3, there are a manual type and an electric type. In the manual type, a lifting force is applied to the door body to rotate upward from the closed position to the open position, and the door body located in the open position A downward force is applied to the door body via a downward member (not shown) hanging down from the tip of the door, and the door is rotated downward to the closed position. In the electric type, a lever (not shown) rotated by a power source such as a motor attached to a support is connected to the first arm 2a, and a switch is operated to rotate the power source forward or backward. Then, the door is pivoted upward from the closed position to the open position and downward from the open position to the closed position.
A coil spring or the like (not shown) for applying an upward urging force to the first arm 2a is provided in the support column 1 in order to reduce the rotational moment due to the weight of the door body and reduce the driving force required for opening and closing the door body. It is.
[0003]
[Problems to be solved by the invention]
In general, the base ends of the arms 2a and 2b are pivotally attached to a support shaft 4 protruding from opposing surfaces of the left and right columns 1 as shown in FIGS. As shown in FIGS. 8 and 9, the distal ends of the arms 2 a and 2 b are pivotally connected to the vertical frame 30 provided on both left and right ends of the door body 3 via the bracket 5.
In this case, the bracket 5 is formed of metal having a U-shape in plan view, a portion corresponding to the bottom of the U-shape is the fixing portion 51, and the upper and lower portions of the portion corresponding to the side of the U-shape are the shaft support portions 52. The fixing portion 51 and the shaft support portion 52 are provided at substantially the same position in the width direction of the door 3 or the vertical frame 30. In order to pivot the ends of the arms 2 a and 2 b to the vertical frame 30, the fixing portion 51 abuts against the back of the vertical frame 30, and the set screw 6 is attached to the fixing portion 51 from between the shaft support portions 52 of the bracket. The bracket 5 is fixed to the vertical frame 30 by being screwed into a screw receiving member 7 which penetrates and is vertically slidably fitted in a vertical groove 31 formed on the back surface of the vertical frame 30, The bearing 21 attached to the tip of the arm 2a, 2b is fitted into the shaft support 52, and the support shaft 8 is penetrated through the shaft support 52 and the bearing 21 to form a hinge.
Reference numeral 22 denotes a connecting bar that connects the left and right first arms 2a.
[0004]
Conventionally, the vertical groove 31 of the vertical frame 30 is provided on the outside in the width direction of the door body. Therefore, the base ends of the arms 2a and 2b are pivotally attached to the opposing surface of the column 1, and the distal ends of the arms 2a and 2b are pivotally attached to the outside of the vertical frame 30 in the width direction of the door. For this reason, as shown in FIGS. 7 and 10, even when the fence 9 is installed close to the column 1, in the closed state of the door body 3, from the both ends of the door body and between the fence 9. The pillar 1 is exposed outside the premises, and first of all, the appearance of the gate is not good. Second, there is a risk that extra dogs, cats, and the like may enter the gap 10 between the fence 9 and both side ends of the door body 3 and cause evil on the premises.
[0005]
The present invention has been made in view of the above points, and an object of the present invention is to change the main components of the flip-up gate, that is, the column, the arm, and the door without changing the configuration of the door. A gap can be prevented from being formed between the both ends, so that the pillar is not exposed, the appearance of the gate is improved, and entry of dogs, cats, etc. is prevented. .
[0006]
[Means to solve the problem]
In order to solve the above problem, a flip-up type gate according to the present invention pivotally connects a base end of an arm to a pair of left and right columns, pivotally connects a distal end of the arm to a door body, and places the door body near the ground. A flip-up gate that pivots from a closed position vertically supported by the arm to an open position horizontally supported above the column with the arm as a radius. The vertical stile is screwed into a vertical groove slidably fitted in a vertical groove formed on the back of the vertical stile by being screwed into the vertical stile. In a flip-up type gate using a bracket having a fixed portion to be fixed and a pivot portion for pivotally supporting a tip portion of the arm, the bracket includes the fixed portion, the pivot portion, and the pivot portion. From the center of the width of the door It is characterized by using those obtained by binding integrally with and unit.
[0007]
The effect of the present invention is best exhibited when a shaft for pivotally connecting the base end of the arm in the pair of right and left columns is projected from the opposing surface of the column.
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
Next, an embodiment of the present invention will be described with reference to an illustrated example.
FIG. 1 is a front view of a flip-up gate according to the present invention in an installed state, FIG. 2 is a plan view of the same, FIG. 3 is a cross-sectional view of a main part corresponding to FIG. FIG. 4 is a side view, and FIG. 5 is a view showing a structure of a bracket which is a main component of the present invention. (A) is a plan view, (b) is a front view, and (c) is a side view.
The same or corresponding members as those in FIGS. 6 to 10 are denoted by the same reference numerals, and the description of the same structure will be omitted.
[0009]
The columns 1, arms 2a and 2b, and the vertical frame 30 of the door 3 in FIGS. 2 to 4 are the same as those shown in FIGS.
The present invention is characterized by using the bracket 5N shown in FIGS. The bracket 5N is formed of metal such as a steel plate, and integrally has a fixed portion 51, a shaft support portion 52, and a take-out portion 53, as shown in FIG. The fixing portion 51 has holes 5 a at both upper and lower ends for penetrating the set screw 6. This hole is a horizontally long hole to enable position adjustment. The shaft support portion 52 has a bearing portion 5b that stands upright and parallel to the left and right, and a hole 5c that penetrates the shaft 8 is formed at the upper and lower ends thereof. The take-out portion 53 is formed between the fixed portion 51 and the shaft support portion 52, and separates the shaft support portion 52 from the fixed portion 51 toward the center in the width direction of the door body. The take-out portion 53 is provided with ribs 5d at both upper and lower ends in order to provide necessary strength, and a middle portion in the height direction is cut out 54 for cutting off the thickness.
[0010]
As shown in FIG. 3, the bracket 5 </ b> N having the above configuration has its back surface abutted on the back surface of the vertical frame 30, and the set screw 6 penetrating from the hole 5 a of the fixing portion 51 is vertically inserted into the groove 31 of the vertical frame 30. The screw is fixed to a predetermined height by screwing into a screw receiving member 7 slidably fitted to the screw receiving member 7. The bearing portion 21 at the tip end of the first arm 2a is fitted into the bearing portion 52 between the bearing portions 5b, and the shaft 8 is inserted from the outside of the bearing portion of the bracket into the hole 5c and the first arm 2a. The tip of each arm is pivotally attached to the door body 3 by penetrating through the bearing part 21 of the two arms 2 b and piercing and fixing the cotter pin 11 or the like 11 to the shaft 8.
[0011]
In this state, since the arms 2a and 2b are separated from the outer end of the door body toward the center in the width direction of the door body by the bracket 5N, the base ends of the arms 2a and 2b pivotally attached to the door body 3. In the state where the portion is connected to the support shaft 4 protruding from the opposing surface of the support, the outer end of the vertical frame 30 of the door body is substantially aligned with the outer surface of the support 1 as shown in FIG. It can be located on the same plane, so that the gap between the wall 9 and the vertical stile in the closed position can be minimized, and the strut 1 can be kept out of the premises as shown in FIG.
[0012]
Therefore, when the gate is in the closed state, the column 1 is not visible from the outside of the site, and the appearance of the gate is significantly improved as compared with FIG. Further, since there is no gap, it is possible to prevent a surplus dog or cat from entering the site through the gap between the gates.
[0013]
The vertical frame 30 shown in FIG. 3 is conventionally used, and the vertical groove 31 is formed at a position close to the outer end of the vertical frame. Therefore, using the same bracket as in the prior art, the arms 2a and 2b can be pivotally mounted near the outer end of the vertical frame. This is effective when the base end of the arm is rotatably pivoted within the upper end of the column, and it is possible to prevent a gap from being formed between the vertical frame and the wall.
Further, by using the bracket according to the present invention, the arms 2a and 2b are pivotally connected to the vicinity of the inner end of the vertical stile without changing the vertical stile, that is, by using the same vertical stile. Can be hidden from the outside of the site.
[0014]
【The invention's effect】
As described above, according to the present invention, using the existing vertical stiles and arms, and using only the improved bracket, the columns can be exposed outside the premises from between the both ends of the door body and the fence. Because of this, the appearance of the closed gate is improved, and intrusion of dogs and cats is prevented.
[Brief description of the drawings]
FIG. 1 is a front view of a flip-up gate according to the present invention in an installed state.
FIG. 2 is a plan view of the same.
FIG. 3 is an essential part cross-sectional view corresponding to FIG. A3, illustrating a structure of a pivotal connection portion between a door body and an arm.
FIG. 4 is a side view of the same.
5A and 5B are diagrams showing a structure of a bracket which is a main component of the present invention, wherein FIG. 5A is a plan view, FIG. 5B is a front view, and FIG.
FIG. 6 is a side view showing a conventional example of a flip-up type gate.
FIG. 7 is a plan view of the same.
FIG. 8 is an essential part cross-sectional view showing a structure of a pivotal connection portion between a door body and an arm.
FIG. 9 is a side view of the same.
FIG. 10 is a front view corresponding to FIG. 7;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Support 2a, 2b Arm 3 Door 30 Vertical frame 31 Vertical groove 4 Support shaft 5N Bracket 51 Fixed part 52 Shaft support 5b Bearing part 53 Take-out part 6 Set screw 7 Screw receiving member 8 Pin 21 Bearing part

Claims (2)

The arm has a radius from a closed position in which a base end of an arm is pivotally attached to a pair of left and right supports, a distal end of the arm is pivotally attached to a door body, and the door body is vertically supported near the ground. Is a flip-up type gate that is configured to rotate to an open position horizontally supported above the door, abutted against the back of a vertical frame of the door body, and a set screw is penetrated, and the set screw is inserted into the door. A fixing portion fixed to the vertical frame by being screwed into a screw receiving member slidably fitted in a vertical direction in a vertical groove formed on the back surface of the vertical frame, and a tip end portion of the arm are pivotally supported. In a flip-up gate using a bracket having a pivot portion,
The bracket is configured such that the fixing portion and the pivot portion are integrally connected by a take-out portion that separates the pivot portion from the fixing portion in the center direction of the width of the door body. A flip-up gate. 2. The flip-up gate according to claim 1, wherein a shaft pivotally connecting the base end of the arm in the pair of right and left columns is projected from an opposing surface of the column.

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