KR200301024Y1 - Window opening and closing device using pneumatic system - Google Patents

Abstract

The present invention relates to a window opening and closing device using a pneumatic system.

In the present invention, in forming a window opening and closing device using a pneumatic system, a plurality of pneumatic cylinder fasteners (4) are rotatably installed on one center shaft (2) having an appropriate length, and for supporting the center shaft fixed to the wall The bracket 3 has a semicircular shaft support 32 having a space open upwardly so that the center shaft 2 can be seated and fixed to both sides of the wall so that the two shaft support brackets 3 and one center are supported. The shaft 2 makes it possible to install a plurality of pneumatic cylinders 4 corresponding to each window.

Description

Window opening and closing device using pneumatic system {.}

The present invention relates to a window opening and closing device, and more particularly to a window opening and closing device using a pneumatic system that can easily open and close the windows installed in a relatively high position in a zoo, botanical garden, art hall, greenhouse, barn.

Window opening and closing devices using pneumatic systems are widely known and are currently in use. However, the conventional pneumatic window opening and closing device uses a bearing block that allows the pneumatic cylinder to be rotated at an appropriate angle as the window is opened and closed while the cylinder and shaft are installed in the link structure.

This is limited in installation space due to the installation of link members, and since most windows are formed in a plurality of windows, when the switchgear is distributed and installed according to a plurality of windows, the installation work is difficult and the surroundings are complicated, and they are installed in a relatively high place. In case of damage, safety accidents are caused by falling parts.

In order to solve this problem, a window opening and closing device having a simpler structure is required.

Window opening and closing device having a simpler structure while using a pneumatic system is known as a domestic utility model registration No. 246982 'window opening and closing device using a pneumatic system' pre-registered by the present applicant.

The registration utility model uses a bush to smoothly operate the cylinder trunnion for supporting the pneumatic cylinder and the shaft fixing bracket to which the cylinder trunnion is fixed in consideration of the fact that most places where the window opening and closing device is installed are high. To provide a pneumatic window opening and closing device that is easily opened and closed by the structure to assemble the window, the shaft; A shaft fixing bracket having a shaft hole into which the shaft is inserted and fixed to the window frame; A cylinder trunnion formed with a shaft hole into which the shaft is inserted, rotatably fixed to the shaft fixing bracket, and a pneumatic cylinder fixed to a rotating end; A pneumatic cylinder fixed to the rotational end of the trunnion for the cylinder and rotatably installed, and a knuckle joint installed at the end of the piston rod; The knuckle joint of the pneumatic cylinder is rotatably fixed, it is provided with a piston rod fixing bracket fixed to the rotating end of the window is installed rotatably.

The utility utility model has a simpler structure than a conventional window opening and closing device, and its use value is sufficient. However, what can be pointed out as a disadvantage here is that the assembly consisting of the shaft, the shaft fixing bracket, the cylinder trunnion, the pneumatic cylinder, the piston rod fixing bracket is applied individually to one window. This structure requires the work of fixing the shaft fixing bracket near each window to install the assembly, which is cumbersome.

In addition, in the general metal processing, the notch is formed at the position where the hole is to be drilled so that the drill can drill the correct position on the metal surface where the drilling operation is performed.

The pneumatic cylinder fixture and the center shaft support bracket used for the window opening and closing device are extruded and made of aluminum, and the pneumatic cylinder fixture is formed with a cylinder insertion hole for fixing the pneumatic cylinder, and the center shaft support bracket is fixed to the wall. Female thread grooves are formed for fixing the bolt insertion hole and the center shaft. The cylinder insertion hole and the bolt insertion hole and the female thread groove are formed by a drilling operation or a tapping operation following the drilling operation.

Therefore, in the related art, the pneumatic cylinder fixture and the bracket for supporting the center shaft also accurately determine the position where the bolt is inserted, and perform all the work processes by manual work before the notch work so as to perform the smooth drilling work. It was necessary.

In addition, an important part of the apparatus for opening and closing the windows using a pneumatic cylinder is to minimize the frictional resistance between the tube and the piston rod of the pneumatic cylinder that rotates as the windows are opened and closed to reduce the failure rate due to wear.

The present invention is a fixture for fixing a pneumatic cylinder is rotatably installed by the center shaft, the center shaft is installed by two shaft support brackets fixed to both sides of the wall on which the window is installed, thereby supporting two shaft support brackets By installing the pneumatic cylinder corresponding to each window by the one and the center shaft it is possible to install a plurality of pneumatic cylinder by a simple installation structure.

1 is a three-dimensional view of the present invention is installed

Figure 2 is an exploded perspective view of parts of the main part of the present invention

Figure 3 is a cross-sectional view illustrating a drilling operation state of the center shaft support bracket of the present invention

Figure 4 is a cross-sectional view of the center shaft support bracket is installed state of the present invention

5 is a cross-sectional view illustrating a drilling operation state of the pneumatic cylinder fixture of the present invention

6 is a cross-sectional view of the pneumatic cylinder fixture of the present invention installed

Figure 7 is a side cross-sectional view of a window and a closed state to show the operating state of the present invention

Figure 8 is a side cross-sectional view of the window open state in a view for showing the operating state of the present invention

Figure 9 is a three-dimensional view of another embodiment in which the pneumatic cylinder is fixed in the present invention

<Explanation of symbols for the main parts of the drawings>

Structural features for achieving the intended purpose of the present invention, the center shaft is installed on the shaft support bracket is fixed to the wall, the pneumatic cylinder fixture to which the pneumatic cylinder is fixed is rotatably installed, In forming a window opening and closing device using a pneumatic system in which a window is rotatably installed at the tip of a piston rod of a pneumatic cylinder to open and close the window, a plurality of pneumatic cylinder fixtures are rotated on a single center shaft having an appropriate length. The center shaft support bracket, which is possibly installed and fixed to the wall, is characterized in that a semi-circular shaft support portion having a space opened upwardly to allow the center shaft to be seated is formed.

The present invention is to fix the center shaft support bracket at an appropriate position around a plurality of windows in a certain range of the wall, and to mount one center shaft to the shaft support of the shaft support bracket, each of which is in the center shaft The pneumatic cylinder fixture is fixed to the pneumatic cylinder corresponding to the window of the is installed so that the piston rod of the pneumatic cylinder is fixed to the piston rod fixed body fixed to the window can open and close the window.

That is, the center shaft in which the pneumatic cylinder fixture, to which the pneumatic cylinder is fixed, is rotatably installed, is laid in the horizontal direction by two shaft support brackets supported at both ends, corresponding to each window in one center shaft. It is possible to provide at least two or more pneumatic cylinders.

The shaft support bracket is a center shaft is seated in the open space of the top, avoiding the shaft coupling method with a cylindrical boss (assembly), which is a conventional assembly method, by adopting a seat coupling method to facilitate installation work Can be.

The pneumatic cylinder fixture is formed with a cylinder insertion hole for fixing the pneumatic cylinder, the center shaft support bracket is formed with a bolt insertion hole for fixing to the wall and a female thread groove for fixing the shaft, these cylinder insertion hole and the bolt insertion hole and A drill guide groove is formed to facilitate the drilling operation for forming the female thread groove.

The drill guide groove is formed long in the transverse direction along the longitudinal direction in the process of extrusion molding the pneumatic cylinder fixture and the center shaft support bracket.

Therefore, the pneumatic cylinder fixture and the center shaft support bracket according to the present invention accurately determine the position where the bolt is inserted and eliminate the need for a notch to perform a smooth drilling operation, and the pneumatic cylinder fixture to which the pneumatic cylinder is fixed. Is rotatably fixed to the center shaft so that the piston rod is properly pivoted about the center shaft when the piston rod moves forward and backward to open and close the windows.

In addition, a number of pneumatic cylinders are fixed to one center shaft, and both ends of the center shaft are seated and supported by the center shaft support bracket, thereby simplifying the overall configuration of the switchgear, so that the failure rate is low, and maintenance work is easy. And usability in the user.

Features and advantages of the present invention will be more clearly understood by the embodiments described by the accompanying drawings.

Next, an embodiment of the present invention will be described.

1 shows an example in which a window opening and closing device is installed according to the present invention.

As referred to in this figure, the present invention consists of a piston rod fixture (1), a center shaft (2), a center shaft support bracket (3), a pneumatic cylinder fixture (4), and a pneumatic cylinder (5).

That is, four piston rod fixtures 1, 1a, 1b and 1c fixed to the plurality of windows W1, W2, W3 and W4 formed on the wall Wa, respectively, in the horizontal direction. One center shaft (2), which is placed in a long position, two center shaft support brackets (3) (3a) fixed to the inner wall of the wall (Wa) to support the center shaft (2), and the center shaft ( Four pneumatic cylinder fixtures 4, 4a, 4b and 4c, through which 2 is rotatable, are fixed to the respective pneumatic cylinder fixtures 4, 4a, 4b and 4c, and the piston rod Is composed of four pneumatic cylinders (5) (5a) (5b) (5c) fixed to the piston rod fixture (1) (1a) (1b) (1c).

FIG. 2 is a three-dimensional view showing a relationship in which the parts are assembled by disassembling the parts of the opening and closing device formed in any one of the windows.

Referring to this figure, the piston rod fixing body 1 is composed of a bracket 10 fixed to a window, a knuckle joint 11, a fixing pin 12, and a stop ring 13.

The bracket 10 is formed with a bolt insertion hole 16 into which the bolt 15 is inserted at a corner of the base 14 having a rectangular shape in contact with the window, and at the center thereof, a protrusion that is coupled to the knuckle joint 11 ( The pin groove 18 into which the fixing pin 12 is inserted is bored in 17.

The rear of the knuckle joint 11 is formed with two projections 17a, 17b protruding from both sides to accommodate the projection 17 of the bracket 10, and can be fixed to the pneumatic cylinder 5 in the front. The female screw groove 19 is formed so that it may be.

The piston rod assembly 1 contacts the appropriate inner surface of the window of the bracket 10 and fastens the bolt 15 to the bracket 10 via the bolt insertion hole 16 and the protrusion of the knuckle joint 11. Insert the protrusions 17 of the bracket 10 between 17a) and 17b to align the pin grooves 18, 18a and 18b, and then insert the fixing pin 12 into the end of the fixing pin 12. 17b) It is exposed outward, by hanging the stop ring 13 to it, the installation of the piston assembly 1 to the window is completed.

The center shaft 2 is formed in a length that can be supported by at least two or more pneumatic cylinders 5 and at least two or more center shaft support brackets 3 in a window opening and closing device of any size. do.

The center shaft 2 is seated on the center shaft support bracket 3 while the pneumatic cylinder fixture 4 is fitted.

The center shaft support bracket 3 is formed of a shaft support portion 32 which is integral with the rib 31 protruding forward from the rectangular base 30 in contact with the wall Wa.

The base 30 is formed with a bolt insertion hole 34 into which the bolt 33 is inserted at four corners so as to be fixed to the wall Wa.

The shaft support part 32 is formed as a space in which the upper part is opened to seat the center shaft 2, and both ends of the semi-circular shape are further extended to the upper part to form a ∪ shape, and reinforced in the horizontal direction on the outer wall surface of the outer end portion. A part 34 is formed, and the reinforcement part 34 has a female threaded groove 36 to which the bolt 35 is fastened to fix the seated center shaft 2.

The center shaft support bracket (3) is extruded from aluminum and used to cut the required length, so that the drilling operation for forming the bolt insertion hole 34 and the female thread groove 36 can be easily performed. As shown in FIG. 3, the drill guide grooves 38 and 39 which are elongated in the transverse direction are respectively provided in the front and rear surfaces of the upper and lower portions of the base 30 and the reinforcement portion 37 formed in front of the shaft support portion 32. Formed.

The reinforcement 37 is formed with a cross section thicker than the cross-sectional thickness of the shaft support 32 so that the screw 35 or a set screw (not shown) that can be replaced with the bolt 35 can be fastened. Female threaded groove 36 having a can be formed.

The reinforcement part 37 and the drill guide grooves 38 and 39 are formed in the process of extrusion molding by the structure of the extrusion die.

As such, the center shaft support bracket 3 in which the bolt insertion hole 34 and the female thread groove 36 are formed by the drill guide grooves 38 and 39 has the base 30 as shown in FIG. 4. The end of the center shaft 2 which is fixed to the wall Wa by fastening the bolt 33 through the bolt insertion hole 34 and having the pneumatic cylinder fasteners 4 equal to the number of windows. After seating, the bolt 35 may be fastened to the female thread groove 36 such that the bolt 35 contacts the center shaft 2, thereby fixing the center shaft 2 to the wall Wa.

The pneumatic cylinder fixture 4 is formed with a shaft hole 40 through which the center shaft 2 is inserted, and a pneumatic cylinder support portion 42 through which the cylinder insertion hole 41 is drilled is formed above the shaft hole 40. .

The pneumatic cylinder fixture (4) is extruded in aluminum material is used to cut the required length, pneumatic cylinder as shown in Figure 5 to facilitate the drilling operation for forming the cylinder insertion hole 41 Long and narrow drill guide groove 43 is formed in the front and rear of the support portion 42 in the transverse direction.

The drill guide groove 43 is formed in the process of extrusion molding by the structure of the extrusion die.

The pneumatic cylinder fixture 4 inserts the center shaft 2 into the shaft hole 40 before the center shaft 2 is seated on the bracket for supporting the center shaft 3. The pneumatic cylinder is installed in accordance with the number of windows. It is installed together with the number.

As shown in FIG. 6, the pneumatic cylinder 5 has a fixed end portion 50 of the tip end thereof inserted into a cylinder insertion hole 41 formed in the pneumatic cylinder fixture 4 to be fixed by a stop ring 51, and a piston rod 55. The male screw 52 formed at the tip of the head) is fastened and fixed to the female thread groove 19 formed in the knuckle joint 11 of the piston rod fixing member 1 fixed to the window.

The present invention configured as described above opens and closes the window when the operating pressure is transmitted to the pneumatic cylinder 5 by the pneumatic system in a state in which the window is closed as shown in FIG. 7, and the piston rod 55 is advanced as shown in FIG. 8. The pneumatic cylinder fixture 4, which holds the pneumatic cylinder 5, is turned finely around the center shaft 2, and the knuckle joint 11 on which the piston rod 55 is fixed is fixed to the window. The window is opened slowly because the fixing pin 12 is rotatably fixed to the protrusion 17 of the bracket 10, and when the window is closed, the piston rod 55 moves backwards and the pneumatic pressure is changed according to the movement angle of the window. When the cylinder fixture 4 and the knuckle joint 11 are properly turned and correspond to each other, smooth opening and closing of the window and door is possible.

In the above description, the opening and closing device of the present invention has been described in a state in which it is installed at the lower end of the window, but may be installed on the upper part of each other. In this case, if the opening and closing device is installed on the upper side of the window, the stroke distance of the pneumatic cylinder is at least larger than the opening and closing angle of the window.

Also in the method of fixing the pneumatic cylinder to the pneumatic cylinder fixture, as shown in Fig. 9, the female thread groove 41a is formed in the pneumatic cylinder fixture 4a, and the male screw portion 50a is formed at the tip of the pneumatic cylinder 500. It can also be tightened.

The present invention provides a drill guide groove for drilling at the extrusion stage of the pneumatic cylinder fixture and the center shaft support bracket, thereby reducing the work process to form the notch in the general drilling operation, thereby making the drilling easier. Since the upper portion of the shaft support portion of the shaft support bracket becomes an open space, it is not a method of inserting the center shaft, but a method of seating, which facilitates installation work.

In addition, a plurality of pneumatic cylinders are installed on one center shaft, and the structure in which one center shaft is installed by two center shaft support brackets to collectively install the pneumatic cylinders with fewer parts is realized. Installation and maintenance work in a relatively high place is easy.

Claims (7)

The center shaft is installed on the shaft support bracket fixed to the wall, and the pneumatic cylinder fixture to which the pneumatic cylinder is fixed is pivotally installed, and the window is rotatably installed at the tip of the piston rod of the pneumatic cylinder. In forming a window opening / closing device using a pneumatic system capable of opening and closing the window, a plurality of pneumatic cylinder fixtures 4, in which each pneumatic cylinder 5 is fixed to one center shaft 2 having an appropriate length, The center shaft support bracket 3, which is rotatably installed and fixed to a wall, has a semicircular shaft support portion 32 having a space that is open upward to allow the center shaft 2 to be seated thereon, thereby providing a plurality of pneumatic pressures. One center shaft 2 in which the cylinder fixture 4 is installed is supported by the center shaft support bracket 3. Window opening and closing device using a pneumatic system. 2. The pneumatic system according to claim 1, wherein a drill guide groove 38 is formed in the base 30 of the center shaft support bracket 3 to guide the drill for drilling the bolt insertion hole 34. Window opening and closing device using. The pneumatic system according to claim 1, wherein a drill guide groove (39) is formed in the shaft support portion (32) of the center shaft support bracket (3) to guide the drill for forming the female thread groove (36). Window opening and closing device using. The pneumatic system according to claim 1, wherein a drill guide groove (43) is formed in the pneumatic cylinder support portion (42) of the pneumatic cylinder fixture (4) to guide the drill for forming the cylinder insertion hole (41). Window opening and closing device using. 2. The pneumatic system according to claim 1, characterized in that the fixed end portion 50 of the pneumatic cylinder 5 inserted into the cylinder insertion hole 41 of the pneumatic cylinder fixture 4 is fixed by the stop ring 51. Window opening and closing device using. 2. The opening and closing of a window using a pneumatic system according to claim 1, characterized in that a female thread groove (41a) is formed in the pneumatic cylinder fixture (4a), and a male screw portion (50a) is formed and fastened to the tip of the pneumatic cylinder (5). Device. 4. The window opening and closing apparatus using a pneumatic system according to claim 3, wherein the drill guide groove (39) is formed in a reinforcement portion (39) having a cross section thicker than that of the shaft support portion (32).