JP4721224B2 - Awning lock mechanism - Google Patents

Description

  The present invention locks the opening and closing of the arm of the awning in which the awning sheet is drawn out from the winding drum or wound around the winding drum by moving the arm up and down along the support column to open and close the arm. This relates to the locking mechanism.

  An awning that allows the awning sheet to be drawn out or wound up and stored as required is used for, for example, a awning at a store entrance or a carport. As this type of awning, a winding drum is horizontally placed between the upper ends of a pair of left and right columns that stand vertically, and one pair of left and right arms that move up and down along the column via a slider is provided. The sunshade sheet wound around the take-up drum is attached to the other end of the arm, and one end of the arm is moved up and down along the support column to open and close the arm, thereby pulling out the sunshade sheet from the take-up drum. Or what was made to wind up to the said winding drum is known (for example, refer patent document 1).

By the way, in this type of awning, the left and right arms are opened so as to be substantially perpendicular to the column, and the awning sheet is pulled out from the take-up drum, or the left and right arms are substantially parallel to the column. A mechanism is provided to lock the awning sheet so that it does not open and close due to strong winds or the like in a non-use state where the awning sheet is closed (folded) and stored on the take-up drum. , See Patent Document 2).
Japanese Patent Laid-Open No. 2003-268843 Japanese Patent Laying-Open No. 2005-023761

  However, the awning lock mechanism described in Patent Document 2 is actually not provided with a lock mechanism for simultaneously locking the left and right arms at the open / close position. In addition, since it is necessary to operate while grasping the operation lever, it is possible that the hand cannot be reached with a large awning and the lock cannot be released.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide an awning opening / closing lock mechanism capable of simultaneously and easily locking the left and right arms at the opening / closing position by one lever operation. It is in.

  In order to achieve the above object, according to the first aspect of the present invention, a take-up drum is horizontally placed between the upper ends of a pair of left and right columns that stand vertically, and one end moves up and down along the columns via a slider. The sunshade sheet is provided by providing a pair of left and right arms, attaching a sunshade sheet wound around the winding drum to the other end of the arm, and opening and closing the arm by moving one end of the arm up and down along the column. An open / close lock mechanism that locks the opening / closing of the arm of the awning that is pulled out from the take-up drum or wound around the take-up drum, and a lock plate having an engagement hole fixed to the support column side. The slider is provided with a lock pin that engages / disengages in the engagement hole of the lock plate and an urging means that urges the lock pin in the engagement direction, and is rotated by a lever rotation operation. The lock release arm disengaging the engagement hole of serial lock plate characterized by being formed by providing in the strut.

  According to a second aspect of the present invention, in the first aspect of the invention, a taper surface for guiding the lock pin to the engagement hole of the lock plate is formed on the sliding surface of the lock pin of the lock plate. Features.

  According to a third aspect of the present invention, in the first or second aspect of the present invention, the lock plate and the lock release arm are provided at the open / close positions of the arm, respectively, and the lock release arm is simultaneously reversed by rotating the lever. The opening and closing of the arm is locked at one of the opening and closing positions of the arm, and the opening and closing lock of the arm is released at the other.

  According to a fourth aspect of the present invention, in the third aspect of the present invention, a drive arm that rotates together with the lever is provided, and both ends of the drive arm are connected to the two unlocking arms via link rods, respectively. It is characterized by.

  According to a fifth aspect of the present invention, in the fourth aspect of the present invention, the drive arm portion is provided with holding means for holding the lock release arms in the locked or unlocked position, and the holding means is provided in the drive arm. It is characterized by comprising a spring that urges it in both rotational directions with its neutral point as a boundary.

  The invention according to claim 6 is the invention according to any one of claims 3 to 5, wherein the unlocking arm provided on at least one support and the unlocking arm provided on the other support are connected to each other. And all the lock release arms are simultaneously rotated by the rotating operation of the lever provided on one of the support columns.

  According to a seventh aspect of the present invention, in the sixth aspect of the invention, the shaft is horizontally and rotatably accommodated in a girder that is laid between the upper ends of the pair of left and right pillars, The rotation of the provided unlocking arm is transmitted to the shaft via a link rod, and the rotation of the shaft is transmitted to the unlocking arm provided on the other column via another link rod. It is characterized by comprising.

  According to the first aspect of the present invention, the movement of the arm is prevented by engaging the lock pin provided on the slider that moves up and down with the arm along the support column into the engagement hole of the lock plate provided on the support column side. Therefore, the opening and closing of the arm is securely locked. Then, when moving one end of the arm from the closed position to the open position and opening it, or conversely moving one end of the arm from the open position to the closed position and closing it, rotate the lever. The lock release arm is rotated, and the lock pin is pushed out of the engagement hole of the lock plate against the urging force of the urging means by the lock release arm to unlock the arm, and then one end of the arm is moved along the column. When it is moved to the open position or the closed position, the lock pin is engaged with the engagement hole of the lock plate provided there by the urging force of the urging means. Locked in the open or closed position.

  As described above, after releasing the arm open / close lock by rotating the lever, the arm can be opened and closed automatically by simply moving the arm to the open or closed position along the column. Since it is locked, the operability of the open / close lock mechanism is enhanced.

  According to the second aspect of the present invention, when the arm is unlocked by rotating the lever, and then one end of the arm is moved along the support to the open position or the closed position, the lock provided on the slider is provided. The pin is guided to the engagement hole while sliding on the taper surface of the lock plate. When the lock pin matches the engagement hole, the lock pin is automatically engaged with the engagement hole by the urging force of the urging means. Since the movement of the arm is prevented, the arm can be locked by a simple operation of moving the arm along the support column.

  According to the third and fourth aspects of the present invention, the lock release arms respectively provided at the open / close positions of the arms are simultaneously rotated in the reverse direction by the rotation operation of the lever, so that the arm lock at one of the open / close positions of the arms is locked. On the other hand, the arm can be unlocked with a single touch with good operability.

  According to the fifth aspect of the present invention, each unlocking arm can be securely held at the locked or unlocked position by the holding means constituted by the spring.

  According to the sixth and seventh aspects of the present invention, the unlocking arm provided on one support column and the unlocking arm provided on the other support column are connected to each other, and one lever provided on one support column is connected. Since all the unlocking arms are simultaneously rotated by the rotating operation, the arm can be unlocked with a single operation with good operability.

  Embodiments of the present invention will be described below with reference to the accompanying drawings.

  1 is an exploded perspective view of an awning equipped with an opening / closing lock mechanism according to the present invention, FIG. 2 is a side view showing an open state (use state) of an arm of the awning, and FIG. 3B is an enlarged detailed view of a portion B in FIG. 2, FIG. 4 is a side view showing a closed state (non-use state) of the awning arm, and FIG. 5A is an enlarged view of a portion C in FIG. FIG. 5B is an enlarged detailed view of a portion D in FIG. 4, and FIG. 6 is a perspective view showing a connecting structure of the guide rail, the arm and the auxiliary arm.

  In the awning 1 shown in FIG. 1, reference numeral 2 denotes a pair of left and right square pipe-like struts that are erected vertically on the ground or the like. And a square pipe-shaped drum cover 4 is attached to the front surface of the girder 3. As shown in FIGS. 2 and 4, a winding drum 5 is rotatably accommodated in the drum cover 4, and a awning sheet 6 is wound around the winding drum 5. The awning sheet 6 is composed of flexible sheets of various colors such as polyester and acrylic, and the strength is increased by a reinforcing material such as glass fiber as necessary.

  By the way, as shown in FIGS. 1, 2 and 4, a channel-shaped guide rail 7 which is long in the vertical direction is attached to the front surface (the right end surface in FIGS. 2 and 4) of the pair of left and right columns 2. Further, one end of a round pipe-like arm 8 is supported on the guide rail 7 via a slider 9 so as to be movable up and down. One end of the arm 8 is connected to the slider 9 by a pin 10 so as to be rotatable in the vertical direction, and the other end of the left and right arms 8 is connected to the awning sheet 6 wound around the winding drum 5. The end is attached by a round pipe-shaped front frame 11.

  On the other hand, as shown in FIG. 6, one end of a square pipe-shaped auxiliary arm 12 is pivotally attached to the upper ends of the left and right guide rails 7 by a pin 13 so as to be pivotable in the vertical direction. The other end of the arm 12 is connected to a stay 14 fixed to an intermediate portion of the arm 8 by a pin 15 so as to be rotatable. One end of the auxiliary arm 12 passes through a rectangular hole formed in the back surface of the guide rail 7 and faces the inside of the column 2, and one end of a spring 16 is connected to the end of the auxiliary arm 12. The other end is connected to a stay 17 fixed to the back surface of the guide rail 7. 6 shows only one of the connection structure of the pair of left and right guide rails 7 and the arm 8 and the auxiliary arm 12, but the other connection structure is the same, and thus illustration and description thereof are omitted.

  Thus, in the awning 1 configured as described above, one end of the left and right arms 8 is moved up and down along the respective guide rails 7 via the sliders 9 to open and close the awning seat 6. Can be drawn from the take-up drum 5 or taken up on the take-up drum 5.

  That is, as shown in FIG. 2, when one end of each of the left and right arms 8 is moved upward along the guide rails 7 via the sliders 9 to the position A (open position) in the figure, the arms 8 are in the middle. The awning sheet 6 attached to the other ends (tips) of both arms 8 is pulled out from the take-up drum 5 so that the auxiliary arm 12 is connected to the guide rail 7 by the action of the auxiliary arm 12 connected to the Awning 1 is in use.

  On the other hand, from the state shown in FIG. 2, one end of each of the left and right arms 8 is moved downward from the D position (open position) to the C position (closed position) shown in FIG. Then, the arm 8 rotates downward together with the auxiliary arm 12 connected in the middle thereof, and both of them close so as to be substantially parallel to the guide rail 7 as shown in FIG. The awning sheet 6 attached to the other end (front end) is wound around the winding drum 5 and accommodated, and the awning 1 is not used. When the auxiliary arm 12 is folded when not in use as shown in FIG. 4, the spring 16 having one end connected to the auxiliary arm 12 is extended, so that the auxiliary arm 12 and the arm 8 try to open them. The urging force to act acts. Therefore, the force for moving one end of the arm 8 upward along the guide rail 7 from the non-use state shown in FIG. 4 is small, and the arm 8 can be easily opened to the use state as shown in FIG. can do.

  By the way, it is necessary to lock the awning 1 so that the arm 8 is not opened and closed by strong winds or the like even in the use state shown in FIG. 2 or in the non-use state shown in FIG. For this reason, in the present embodiment, an open / close lock mechanism that locks the open / close of the arm 8 at the open position (A position in FIG. 2) and the closed position (C position in FIG. 4) of the arm 8 is provided. Hereinafter, the opening / closing locking mechanism according to the present invention will be described with reference to FIGS.

  7 is an exploded perspective view of the slider, FIG. 8 is a partial side sectional view showing the operation of the open / close lock mechanism, FIG. 9 is a perspective view showing a drive structure of the unlocking arm on the operation side, and FIG. 10 is unlocking on the non-operation side. FIG. 11 is an exploded perspective view showing the internal structure of the beam member, and FIG. 12 is a perspective view of the beam member.

  The slider 9 that moves up and down along the guide rail 7 together with one end of the arm 8 includes a main body 9A and a stay 19 attached to the main body 9A by a plurality of screws 18, as shown in FIG. Four rollers 20 that roll along the guide rail 7 are rotatably supported by 9A. A circular hole 9a is provided in the main body 9A, and a lock pin 21 that protrudes and protrudes from an end surface of the main body 9A and a spring 22 that biases the pin in one direction (locking direction) are accommodated in the circular hole 9a. Has been.

  On the other hand, at the two upper and lower positions of the inner surfaces of the left and right guide rails 7, that is, in the open position (position A in FIG. 2 and position D in FIG. 4) and closed position (position B in FIG. 2 and position C in FIG. 4), A resin lock plate 23 as shown in FIG. 8 is attached (see FIGS. 3 and 4).

  As shown in FIG. 8, the lock plate 23 is provided with a circular engagement hole 23a for horizontally engaging and disengaging the lock pin 21 provided on the slider 9, and its surface ( On the surface on which the lock pin 21 slides, a tapered surface 23b for guiding the lock pin 21 to the engagement hole 23a is formed. A notch 23c is formed on the back surface of the lock plate 23 to allow a tip claw 25a of a lock release arm 25 described later to enter.

  In addition, there are two positions in the upper and lower portions of each of the left and right columns 2, that is, an open position (position A in FIG. 2 and position D in FIG. 4) and a closed position (position B in FIG. 2 and position C in FIG. 4). A lock release arm that is rotated by a rotation operation of a lever 24 (see FIGS. 2 and 4) provided at an intermediate portion of the outer surface of the support 2 on the (operation side) and is engaged with and disengaged from the engagement hole 23 a of the lock plate 23. 25 are provided (see FIGS. 2 and 4).

  Here, the drive structure of the lock release arm 25 incorporated in the inside of the one (operation side) support column 2 will be described with reference to FIG.

  In FIG. 9, reference numeral 36 denotes a plate fixed inside the column 2, and the unlocking arm 25 is rotatably supported by a shaft 26 at two upper and lower positions (open position and closed position) of the plate 36. ing. Here, each lock release arm 25 is provided with a claw portion 25a that presses the lock pin 21 provided on the slider 9 to release the engagement of the lock pin 21 to the engagement hole 23a of the lock plate 23. It has been.

  A drive arm 27 is rotatably supported by a shaft 28 at an intermediate height position of the plate 36, and one end of the drive arm 27 and one end of the lower lock release arm 25 are connected by a link rod 29. The other end of the drive arm 27 and one end of the upper unlocking arm 25 are connected by a link rod 30. Furthermore, an upper link rod 31 is connected to the other end of the upper unlocking arm 25. The installation position of the drive arm 27 can be arbitrarily changed according to the position at which the lever 24 is operated, and is not necessarily provided at the intermediate height position of the plate 36.

  By the way, the end of the shaft 28 that rotates integrally with the drive arm 27 protrudes to the outside of the column 2, and the lever 24 is bound to the protruding portion. The drive arm 27 has a spring 32 as a holding means for holding the lock release arm 25 in the locked or unlocked position by urging the drive arm 27 in both rotational directions with the neutral point as a boundary. Is provided.

  Next, FIG. 10 shows a drive structure of the unlocking arm 25 incorporated in the other (non-operation side) support column 2, but the drive structure is not provided with the lever 24 shown in FIG. 9. Is the same as the drive structure on the drive side shown in FIG. Therefore, in FIG. 10, the same elements as those shown in FIG. 9 are denoted by the same reference numerals, and description thereof will be omitted below.

  Thus, in the present embodiment, the upper and lower two unlocking arms 25 shown in FIG. 9 provided on one (operation side) support column 2 and the other (non-operation side) support column 2 shown in FIG. The two upper and lower unlocking arms 25 shown in FIG. 1 are connected to each other, and the four unlocking arms 25 are simultaneously rotated by the rotating operation of the lever 24 provided on one (operation side) support column 2. Yes.

  Specifically, as shown in FIGS. 11 and 12, a round pipe-shaped shaft 33 is rotated by three bearings 34 inside the beam member 3 laid horizontally between the upper ends of the pair of left and right columns 2. It is movably supported and accommodated horizontally, and the rotation of the unlocking arm 25 provided on one (operation side) support column 2 is transmitted to the shaft 33 via the link rod 31, and the shaft 33 is rotated. Is transmitted to a lock release arm 25 provided on the other (non-operation side) support column 2 via another link rod 31.

  Here, as shown in FIG. 11, swing arms 35 are attached to both ends of the shaft 33, and the upper end of the operation side link rod 31 shown in FIG. An upper end of the non-operation side link rod 31 shown in FIG. 10 is connected to one end of the other swing arm 25.

  Next, the operation of the open / close lock mechanism having the above configuration will be described.

  As shown in FIG. 4, when the left and right arms 8 are folded and the awning sheet 6 is wound on the winding drum 5 (when the awning 1 is not used), the arm 8 is connected to one end of each arm 8. As shown in the figure, the slider 9 is in the lower closed position (at the C position in FIG. 4). In the closed position, the unlocking arm 25 maintains the posture shown in FIG. It is separated from the lock pin 21 provided on the slider 9. Therefore, in the open position, the lock pin 21 provided on the slider 9 is urged toward the lock plate 23 by the spring 22 and protrudes from the end surface of the slider 9, and its tip is engaged with the engagement hole 23 a of the lock plate 23. Match. Therefore, the movement of the slider 9 and one end of the arm 8 along the guide rail 7 is prevented, and the opening and closing of the arm 8 is securely locked, and the arm 8 is held in the closed state shown in FIG.

  On the other hand, in the upper open position (position D in FIG. 4), the unlocking arm 25 maintains the posture shown in FIG. 5B, and the claw portion 25a is engaged with the engagement hole 23a of the lock plate 23 from the back side. In this open position, the open / close lock of the arm 8 is released (unlocked).

  Next, when the awning 1 is used from the non-use state shown in FIG. 4, the lever 4 provided on the operation-side support column 2 is turned counterclockwise in FIG. 4 (arrow direction in FIG. 9). Then, in the operation-side support column 2, the lower link rod 29 is pushed downward and the upper link rod 30 is pushed upward, so that the lock release arm 25 is pivoted in the closed position (position B in FIG. 2). 8 is rotated in the direction of the arrow in FIG. 8 (the direction of the arrow in FIG. 9), and the unlocking arm 25 is rotated in the direction of the arrow in FIG. To do.

  Further, when one lever 24 provided on the operation-side column 2 is rotated, the rotation is performed from the operation-side drive arm 27 to the link rod 30, the lock release arm 25, the link rod 31 and the like shown in FIG. Since it is transmitted to the shaft 33 via the swing arm 35 shown in FIG. 11, the shaft 33 is rotated in the direction of the arrow in FIG. The rotation of the shaft 33 is transmitted from the swing arm 25 shown in FIG. 11 to the upper unlocking arm 25 via the non-operation side link rod 31 shown in FIG. Since it is transmitted to the lower unlocking arm 25 via the link rod 29, the unlocking arm 25 rotates about the shaft 26 in the direction of the arrow in the closed position (position B in FIG. 2) even on the non-operation side. In the open position (position A in FIG. 2), the unlocking arm 25 rotates about the shaft 26 in the direction of the arrow in FIG.

  Therefore, in the open / close lock mechanism according to the present embodiment, a total of four unlocking arms 25 incorporated in the left and right struts 2 are rotated simultaneously by a turning operation of one lever 24 provided on one strut 2. At this time, the upper and lower lock release arms 25 incorporated in the respective struts 2 are rotated in directions opposite to each other (see FIGS. 9 and 10).

  Thus, when the lower unlocking arm 25 rotates in the direction of the arrow in FIG. 8 in the closed position as described above, the claw portion 25a of the unlocking arm 25 is moved to the slider 9 as shown by the chain line in FIG. The tip of the lock pin 21 provided on the lock plate 21 is pressed to push the lock pin 21 out of the engagement hole 23 a of the lock plate 23 against the urging force of the spring 22. Then, since the lock pin 21 is disengaged from the engagement hole 23a of the lock plate 23, the open / close lock of the arm 8 is also released, and the end of the arm 8 and the slide 9 can move along the guide rail 7. It becomes.

  As described above, after the lever 24 is rotated to release the open / close lock at the closed position of the arm 8 as shown in FIG. 3B, the arm 8 and the slider 9 are opened along the guide rail 7. Move (up) to position. Then, in the open position, the lock pin 21 provided on the slider 9 is guided to the engagement hole 23a while sliding on the tapered surface 23b (see FIG. 8) of the lock plate 23, and the lock pin 21 is engaged. When matched with the hole 23a, the lock pin 21 is automatically engaged with the engagement hole 23a by the urging force of the spring 22, and the movement of the arm 8 is prevented. Accordingly, the opening and closing of the arm 8 can be locked by a simple operation by simply moving the arm 8 along the guide rail 7. At this time, the arm 8 is rotated upward by the action of the auxiliary arm 12. Then, as shown in FIG. 2, the awning sheet 6 is opened from the take-up drum 5 so as to be substantially perpendicular to the support column 2, and the awning 1 is put into use.

  When the awning 1 is used as shown in FIG. 2, the unlocking arm 25 maintains the posture shown in FIG. 3B in the closed position (position B in FIG. 2), and the claw portion 25a is locked. The engagement hole 23a of the plate 23 is engaged from the back side, and the open / close lock of the arm 8 is released (unlocked) in this open position.

  2, when the lever 24 provided on the operation-side support column 2 is turned counterclockwise in FIG. 2, the lower link rod 29 is pushed upward in each of the left and right support columns 2. Since the upper link rod 30 is pushed downward, the unlocking arm 25 rotates about the shaft 26 in the counter-arrow direction in FIGS. 9 and 10 in the open position (position A in FIG. 2). For this reason, in the open position, the lock release arm 25 releases the engagement of the lock pin 21 with the engagement hole 23a of the lock plate 23, so that the open / close lock of the left and right arms 8 is released, and one end of the arm 8 is released. Can move along the guide rail 7 via the slider 9.

  Thus, after the arm 8 is unlocked at the open position as described above, one end of the arm 8 is moved downward along the guide rail 7 via the slider 9 to assist the arm 8 and the arm 8. When the arm 12 is pivoted downward and folded, and one end of the arm 8 and the slider 9 reach the closed position (C position in FIG. 4), the lock pin 21 provided on the slider 9 is shown in FIG. As shown in the figure, the engagement with the engagement hole 23a of the lock plate 23 is performed, so that the opening and closing of the arm 8 is locked, and the awning 1 is not in use as shown in FIG.

  As described above, in the present embodiment, the lock pin 21 provided on the slider 9 that moves up and down with the arm 8 along the guide arm 7 has the engagement hole 23a of the lock plate 23 fixed to the guide rail 7. Since the movement of the arm 8 is prevented by engaging with, the opening and closing of the arm 8 is reliably locked. When the arm 8 is moved from the closed position to the open position and opened, or when the arm 8 is moved from the open position to the closed position and closed, the lever 24 is rotated. The lock release arm 25 is turned, and the lock release arm 25 pushes the lock pin 21 from the engagement hole 23a of the lock plate 23 against the urging force of the spring 22 to release the lock of the arm 8. When it is moved along the guide rail 7 to the open position or the closed position, the lock pin 21 is engaged with the engagement hole 23a of the lock plate 23 provided there by the urging force of the spring 22, so that the arm 8 is moved. The opening and closing of the arm 8 is blocked in the open position or the closed position. In this case, since the lock pin 21 provided on the slider 9 is guided to the engagement hole 23a while sliding on the taper surface 23b of the lock plate 23, the opening and closing lock of the arm 8 is reliably and stably performed.

  Thus, after the lever 24 is turned to release the open / close lock of the arm 8, the arm 8 can be simply moved by moving the arm 8 along the guide rail 7 to the open position or the closed position. Since the opening / closing is automatically locked, the operability of the opening / closing lock mechanism is enhanced.

  Further, in this embodiment, the unlocking arm 25 provided at the open / close position of the arm 8 is simultaneously rotated in the reverse direction by the rotation operation of the lever 24 to lock the arm 8 at one of the open / close positions of the arm 8. And the unlocking (unlocking) of the arm 8 on the other side can be performed with a single operation with good operability.

  Further, two unlocking arms 25 provided on one (operation side) support column 2 and two unlocking arms 25 provided on the other (non-operation side) support column 2 are connected to each other, and one (operation side) Since all the four unlocking arms 25 are simultaneously rotated by the rotating operation of one lever 24 provided on the support column 2), the arm 8 can be unlocked with a single touch with good operability. Each lock release arm 25 can be securely held at the lock or unlock position by the holding means constituted by the spring 32.

It is a disassembled perspective view of the awning provided with the opening-and-closing lock mechanism concerning the present invention. It is a side view which shows the open state (use state) of the awning arm. FIG. 3A is an enlarged detail view of a portion A in FIG. 2, and FIG. 3B is an enlarged detail view of a portion B in FIG. It is a side view which shows the closed state (non-use state) of the awning arm. (A) is the C section enlarged detail drawing of FIG. 4, (b) is the D section enlarged detail drawing of FIG. It is a perspective view which shows the connection structure of a guide rail, an arm, and an auxiliary arm. It is a disassembled perspective view of a slider. It is a fragmentary sectional side view which shows the effect | action of the opening-and-closing lock mechanism which concerns on this invention. The perspective view which shows the drive structure of the lock release arm by the side of operation It is a perspective view which shows the drive structure of the lock release arm of a non-operation side. It is a disassembled perspective view which shows the internal structure of the awning girder. It is a perspective view of the awning girder.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Awning 2 Support | pillar 3 Digit material 4 Drum cover 5 Winding drum 6 Awning sheet 7 Guide rail 8 Arm 9 Slider 10 Pin 11 Front frame 12 Auxiliary arm 13 Pin 14 Stay 15 Pin 16 Spring 17 Stay 18 Screw 19 Stay 20 Roller 21 Lock Pin 22 Spring (biasing means)
23 lock plate 23a engagement hole 23b taper surface 24 lever 25 unlocking arm 26 shaft 27 drive arm 28 shaft 29 to 31 link rod 32 spring (holding means)
33 shaft 34 bearing 35 swing arm 36 plate

Claims (7)

A winding drum is horizontally installed between the upper ends of a pair of left and right columns that stand vertically, and one end is provided with a pair of left and right arms that move up and down along the column via a slider, and is wound around the winding drum. The sunshade sheet is attached to the other end of the arm, and one end of the arm is moved up and down along the column to open and close the arm, thereby pulling out the sunshade sheet from the take-up drum or winding it around the take-up drum. A mechanism for locking the opening and closing of the awning arm,
A lock plate formed with an engagement hole is fixed to the column side, and a lock pin that engages and disengages the engagement hole of the lock plate and a biasing means that biases the lock pin in the engagement direction are provided on the slider. An awning open / close lock mechanism comprising: a lock release arm provided in the support column, the lock release arm rotating and engaging / disengaging with an engagement hole of the lock plate.   2. The awning opening / closing lock mechanism according to claim 1, wherein a taper surface for guiding the lock pin to the engagement hole of the lock plate is formed on a sliding surface of the lock pin of the lock plate.   The lock plate and the unlocking arm are respectively provided at the opening and closing positions of the arm, and the unlocking arm is simultaneously rotated in the reverse direction by rotating the lever, so that the arm is opened and closed at one of the opening and closing positions of the arm. The awning open / close lock mechanism according to claim 1, wherein the open / close lock of the arm is released and the open / close lock of the arm is released.   4. An awning open / close lock mechanism according to claim 3, wherein a drive arm that rotates together with the lever is provided, and both ends of the drive arm are connected to the two unlocking arms via link rods.   A holding means for holding each of the unlocking arms in a locked or unlocking position is provided in the drive arm portion, and the holding means is a spring that urges the driving arm in both rotational directions with a neutral point as a boundary. The awning open / close lock mechanism according to claim 4, wherein   The unlocking arm provided on at least one of the columns and the unlocking arm provided on the other column are connected to each other, and all the unlocking arms are simultaneously operated by rotating the lever provided on one of the columns. The awning open / close lock mechanism according to any one of claims 3 to 5, wherein the awning is configured to rotate.   A shaft is horizontally and rotatably accommodated inside a girder laid between the upper ends of the pair of left and right columns, and the rotation of the unlocking arm provided on one column is linked via a link rod. The awning opening / closing lock according to claim 6, wherein the awning opening / closing lock is configured to transmit to the shaft and to transmit the rotation of the shaft to the lock release arm provided on the other column through another link rod. mechanism.

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