TWI608158B - Reeling device of roller door - Google Patents

Description

Roll door retracting device

The present invention relates to a roll door retracting device that is disposed on a fixed rod by which a roll door is wound or released.

Please refer to the Republic of China New Patent No. M326064 "Electrical Retracting Device for Wide Door Rolling Doors", which is mounted on a shaft 10, please refer to the ninth drawing of No. M326064, the shaft 10 is fixed to A take-off bracket 80, the electric retracting device drives a driving drum 20 to rotate by a motor 30, and the driving drum 20 is supported by a door panel 71 spanning the driving drum 20 and the four driven drums 40. The driven drums 40 are rotated to release or retract a door set 70 (ie, a rolling door), wherein at least one of the torsion springs 50 (ie, the torsion spring) has one end connected to the shaft 10 and the other end connected In the driven drum 40, when the door group 70 is brought into a released state by the retracted state (ie, the roll door is brought into the closed state from the open state), rotating the driven drums 40 will twist the torsion elastic member. 50. The torsion spring 50 has a returning torque. When the door group 70 is brought into a retracted state by the released state (ie, the roll door is brought into an open state by the closed state), the reply of the torsion elastic member 50 is accumulated. The torque will drive the driven drum 40 to rotate to assist the active drum 20 to retract the door set 70.

However, since the two ends of the torsion elastic member 50 of the retracting device are respectively connected to the shaft 10 and the driven drum 40, shear stress is generated when the torsion elastic member 50 is twisted, and the shear stress is generated. The torsion spring 50 may be broken or the driven drum 40 may be bent or deformed, thereby affecting its service life.

It is an object of the present invention to provide a roll door retracting device, wherein when a roll door is released (ie, the roll door is closed), a shaft tube of the roll door retracting device is driven to rotate in a first clock direction, by rotating The shaft tube drives a movable member to move toward a fixing seat of a limiting module, and compresses an elastic member to have a resilient elastic force. When the rolling door is to be retracted (ie, the rolling door is opened), Pushing the movable member with the return elastic force of the elastic member, causing the movable member to drive the shaft tube to rotate in a second clock direction opposite to the first clock direction to retract the rolling door, thereby achieving labor saving and increasing the rolling door The mechanical strength of the retracting device is intended to increase the age of the reeling device.

The roll door retracting device of the present invention is configured to be disposed on a fixing rod for winding or releasing a roll door, the roll door retracting device comprising a shaft tube, a limiting module, a movable member and an elastic member. The shaft tube includes a tube body, a shaft hole and a first guiding member. The first guiding member is disposed on a tube wall of the tube body. The shaft hole extends through the tube body, and the shaft hole is used for the fixing rod The positioning module includes a fixing seat and at least one limiting member, a first end of the limiting member is coupled to the fixing seat, and the fixing seat is fixed to the fixing seat a fixing rod penetrating the shaft hole, the limiting member is located at a side of the tube body, and the limiting member has a space between the limiting member and the tube body, and the movable member is disposed on the tube body of the shaft tube, The movable member has a second guiding member, the second guiding member and the first guiding member are engaged with each other, and the movable member abuts against the limiting member, when the shaft tube and the movable member move with each other, The movable member is selectively moved toward or away from the fixing seat, and the elastic member is disposed on the fixing seat and the movable member Room tube when the shaft rotates and drives the movable member moves toward the fixing base when the elastic member is compressed to the movable member, and having a return spring force.

1 and 2, a roll door retracting device 100 of the present invention is provided on a fixing rod 200, which is fixed on a door frame or a bracket (not shown), please Referring to Figures 3 and 4, the roll door retracting device 100 can selectively retract a roll door 300 to cause the roll door 300 to be in an open state (as shown in Fig. 3), or the roll door retracting device 100 can selectively release the roll door such that the roll door 300 is in a closed state (as shown in Figure 4).

Referring to Figures 1, 2 and 5, the roll door retracting device 100 includes at least one shaft tube 110, a limiting module 120, a movable member 130 and an elastic member 140. The shaft tube 110 includes at least one tube body. 111, a shaft hole 112 and a first guiding member 113. The first guiding member 113 is disposed on a tube wall 111a of the tube body 111. The shaft hole 112 extends through the tube body 111. The shaft hole 112 is used for The fixing rod 200 is disposed to enable the shaft tube 110 to be selectively rotated. In the embodiment, the tube body 111 is combined with a reel 400, and the reel 400 is combined with the reel 300, and the reel 400 is used for winding. The roll door 300 is received or released. Alternatively, in various embodiments, the tube body 111 can be integrally formed with the roll take-up plate 400. In this embodiment, the tube body 111 includes a shaft seat 114. The body 111 is coupled to the take-up reel 400 by the shaft seat 114 to rotate the shaft tube 110 in synchronization with the reel 400.

Referring to the first, second and fifth embodiments, the limiting module 120 includes a fixing base 121 and at least one limiting member 122. A first end portion 122a of the limiting member 122 is coupled to the fixing base 121. In an embodiment, the limiting member 122 is coupled to the fixing base 121 by a fixing member A. The limiting member 122 can be selected from a screw, or, in different embodiments, the limiting member 122 can be welded to the fixing member. The fixing rod 121 is shown in FIG. 5 , the fixing rod 200 is inserted out of the shaft hole 112 of the shaft tube 110 , the fixing seat 121 is fixed to the fixing rod 200 penetrating the shaft hole 112 , and the limiting member 122 is located The side of the tubular body 111 has a spacing D between the limiting member 122 and the tubular body 111 for receiving the movable member 130.

Referring to Figures 1, 2 and 5, the movable member 130 is disposed on the tubular body 111 of the shaft tube 110. The movable member 130 has a second guiding member 131, and the second guiding member 131 and the first member The guiding members 113 are engaged with each other, and the movable member 130 abuts against the limiting member 122. In the embodiment, the movable member 130 has a through hole 134, and the tubular body 111 of the shaft tube 110 is disposed through the through hole 134. The second guiding member 131 is disposed on a hole wall 134a of the through hole 134. In the embodiment, the first guiding member 113 is an external thread, and the second guiding member 131 is an internal thread. The first guiding member 113 and the second guiding member 131 are engaged with each other.

Please refer to the figures 1 , 2 and 5 . Since the movable member 130 abuts the limiting member 122 , when the shaft tube 110 and the movable member 130 actuate each other, the movable member 130 selectively faces the fixing base 121 . Move or move away from the mount 121.

For the state in which the shaft tube 110 and the movable member 130 are mutually activated, please refer to FIGS. 5 and 7. First, referring to FIG. 5, when the shaft tube 110 is rotated in a first clock direction, due to the first guiding member The second guiding member 131 is engaged with the second guiding member 131, and the movable member 130 abuts against the limiting member 122, so that the movable member 130 is pushed by the shaft tube 110, forcing the movable member 130 toward the fixing seat 121. Moving, please refer to FIG. 7. In contrast, when the movable member 130 is pushed up and moved away from the fixing seat 121, the movable member 130 pushes the shaft tube 110 to force the shaft tube 110 to face the first clock. The direction of the second clock rotates.

Referring to the first, second and fifth embodiments, in the embodiment, the movable member 130 has at least one limiting slot 132. The limiting member 122 is fitted into the limiting slot 132. Preferably, the movable member 130 The base 133 is disposed on the base 133. The base 133 can be an annular base to provide the base 133 with better mechanical strength.

Referring to the first, second, and fifth embodiments, the elastic member 140 is disposed between the fixing member 121 and the movable member 130. One end of the elastic member 140 is for pushing the fixing seat 121. The elastic member 140 is The other end is used to push the movable member 130. In the embodiment, the elastic member 140 is a compression spring. When the movable member 130 is driven by the shaft tube 110 to move toward the fixing base 121, the elastic member The 140 is compressed by the movable member 130 to have a return elastic force.

Referring to FIGS. 1 , 2 and 5 , in the present embodiment, the roll door retracting device 100 further includes a first bearing 150 , and the tube body 111 of the shaft tube 110 is disposed through the first bearing 150 . a bearing hole 151, and the first bearing 150 is disposed between the tube body 110 and the fixing seat 121, the tube body 111 abuts against the first bearing 150, the first bearing 150 can avoid the tube body 110 and the The mount 121 is rubbed and damaged.

Referring to the first, second, and fifth embodiments, in the embodiment, the limiting module 120 further includes a supporting member 123. A second end portion 122b of the limiting member 122 is coupled to the supporting member 123. The member 130 selectively moves between the mount 121 and the support member 123.

Referring to Figures 1, 2 and 5, the roll-up retracting device 100 further includes a second bearing 160 coupled to the tubular body 111. In the present embodiment, the tubular tube 110 is in the tube The body 111 is disposed in a bearing hole 161 of the second bearing 160, and the second bearing 160 is located between the limiting member 122 and the tube body 111. The limiting member 122 or the supporting member 123 can abut the The second bearing 160 can prevent the tube body 110 from being damaged by friction with the support member 123.

Please refer to the figures 1 , 2 and 5 . Preferably, the roll door retracting device 100 further includes a stopping member 170 . The stopping member 170 is disposed on the fixing rod 200 , and the stopping member 170 is used for stopping The shaft tube 110 is such that the shaft tube 110 is restrained between the fixing seat 121 and the stopping member 170 to prevent displacement of the shaft tube 110. Referring to FIG. 5, in the embodiment, the blocking tube The member 170 is located between the shaft tube 110 and the take-up reel 400. The stop member 170 is in contact with the shaft tube 110. Alternatively, please refer to FIG. 9. In another embodiment, the stop member 170 is in contact with the reel. 400, and the reel 400 is located between the shaft tube 110 and the stopper 170.

Please refer to the figures 5, 6, 7, and 8 for the roll door retracting device 100 mounted on the fixing rod 200 to retract or release the roll door 300. The fifth and sixth figures show the roll door. FIG. 7 and FIG. 8 are schematic diagrams showing the closed state of the roll door 300 (ie, the roll door 300 is in a released state), and are not drawn in the fifth and seventh figures. The roll door 300 is shown.

Please refer to Figures 5 to 8. When the roll door 300 is switched off by the open state (as shown in Figures 5 and 6) (as shown in Figures 7 and 8), it is an external force (such as manpower, Republic of China). The external force source such as the patent No. M326064 or the Republic of China Patent No. M491721 drives the roll door 300 so that the roll door 300 drives the integrated shaft tube 110 and the take-up reel 400 to rotate in the first clock direction. In the fifth and seventh embodiments, the fixing rod 121 is fixed to the fixing rod 200 extending through the shaft hole 112, and the movable member 130 abuts against the limiting member 122. When the shaft tube 110 rotates, the shaft tube 110 is rotated. The first guiding member 113 pushes the second guiding member 131 of the movable member 130 to force the movable member 130 to move toward the fixing base 121 without rotating along the shaft tube 110 and facing the fixing. The movable member 130 moved by the seat 121 presses the elastic member 140 to cause the elastic member 140 to assume a compressed state and generate a return elastic force.

Conversely, when the roll door 300 is in the closed state (as shown in FIGS. 7 and 8), the compressed elastic member 140 pushes the reset elastic force by the return elastic state (as shown in FIGS. 5 and 6). The movable member 130 is away from the fixing base 121, so that the second guiding member 131 of the movable member 130 pushes the first guiding member 113 of the shaft tube 110, forcing the integrated shaft tube 110 and the winding closing plate. The 400 is rotated in the second clock direction opposite to the first clock direction to retract the roll door 300, thereby achieving labor saving and increasing the mechanical strength of the roll door retracting device 100 to increase the use of the roll door retracting device The purpose of the age.

The scope of the present invention is defined by the scope of the appended claims, and any changes and modifications made by those skilled in the art without departing from the spirit and scope of the invention are within the scope of the present invention. .

100‧‧‧Rolling door retracting device

110‧‧‧ shaft tube

111‧‧‧ tube body

111a‧‧‧ wall

112‧‧‧Axis hole

113‧‧‧First guide

114‧‧‧ shaft seat

120‧‧‧ Limiting Module

121‧‧‧ Fixed seat

122‧‧‧Limited parts

122a‧‧‧First end

122b‧‧‧second end

123‧‧‧Support

130‧‧‧Activities

131‧‧‧Second guide

132‧‧‧ Limit slot

133‧‧‧Base

134‧‧‧Perforation

134a‧‧‧ hole wall

140‧‧‧Flexible parts

150‧‧‧First bearing

151‧‧‧ bearing hole

160‧‧‧second bearing

161‧‧‧ bearing hole

170‧‧‧stops

200‧‧‧ fixed rod

300‧‧‧ Rolling door

400‧‧ ‧ closing

A‧‧‧Fixed parts

D‧‧‧ spacing

Figure 1: A perspective view of the roll door retracting device. Fig. 2 is an exploded perspective view of the roll door retracting device. Figure 3: Side view of the roll-up door of the roll-up reel. Figure 4: Side view of the roll door retractor releasing the roll door. Figure 5: A cross-sectional view of the roll door retracting device. Fig. 6 is a perspective view of the roll-up door of the roll-up reeling device. Figure 7 is a cross-sectional view of the roll door retracting device. Figure 8: A perspective view of the roll door retractor releasing the roll door. Figure 9 is a cross-sectional view of the roll door retracting device.

100‧‧‧Rolling door retracting device

110‧‧‧ shaft tube

111‧‧‧ tube body

111a‧‧‧ wall

112‧‧‧Axis hole

113‧‧‧First guide

114‧‧‧ shaft seat

120‧‧‧ Limiting Module

121‧‧‧ Fixed seat

122‧‧‧Limited parts

122a‧‧‧First end

122b‧‧‧second end

123‧‧‧Support

130‧‧‧Activities

131‧‧‧Second guide

132‧‧‧ Limit slot

133‧‧‧Base

134‧‧‧Perforation

134a‧‧‧ hole wall

140‧‧‧Flexible parts

150‧‧‧First bearing

151‧‧‧ bearing hole

160‧‧‧second bearing

161‧‧‧ bearing hole

170‧‧‧stops

200‧‧‧ fixed rod

400‧‧ ‧ closing

A‧‧‧Fixed parts

Claims (9)

A roll door retracting device is provided on a fixing rod for winding up or releasing a roll door. The roll door retracting device comprises: a shaft tube comprising a tube body, a shaft hole and a first guiding member. The first guiding member is disposed on a tube wall of the tube body, the shaft hole penetrating the tube body, the fixing rod is disposed in the shaft hole, so that the shaft tube can be selectively rotated to retract or release the volume a limiting module is fixed to the fixing rod, the limiting module includes a fixing base, at least one limiting member and a supporting member, and a first end of the limiting member is coupled to the fixing seat, a second end of the limiting member is coupled to the supporting member, the limiting module is fixed to the fixing rod extending through the shaft hole by the fixing seat, the limiting member is located at a side of the tubular body, and the limiting member is located at the side of the tubular body The movable member has a spacing between the limiting member and the tubular body; a movable member is disposed on the tubular body of the shaft tube, the movable member has a second guiding member, the second guiding member and the first guiding member The movable member has at least one limiting slot, and the limiting member is fitted into the limiting slot when the engaging member abuts the limiting member When the shaft tube and the movable member actuate each other, the movable member is selectively moved toward or away from the fixed seat; and an elastic member is disposed between the fixed seat and the movable member, when the shaft tube rotates When the movable member is driven to move toward the fixed seat, the elastic member is compressed by the movable member to have a return elastic force. The roll door retracting device of claim 1, wherein the movable member has a base, and the limiting groove is disposed on the base. The roll door retracting device of claim 1 or 2, wherein the movable member has a through hole, the tubular body of the shaft tube is disposed through the through hole, and the second guiding member is disposed on the through hole a hole in the wall. The roll door retracting device according to claim 1, wherein the movable member is selective The ground moves between the fixing seat and the support member. The roll door retracting device of claim 1, wherein one end of the elastic member is for pushing the fixing seat, and the other end of the elastic member is for pushing the movable member. The roll door retracting device of claim 1, further comprising a first bearing disposed between the tube body and the fixing seat, and the tube body abuts the first Bearing. The roll door retracting device according to claim 1 or 6, further comprising a second bearing coupled to the pipe body, wherein the second bearing is located at the limiting member and the pipe body between. The roll door retracting device of claim 1, wherein the tube body is combined with a roll closing, the roll closing plate is used to join the roll door. The roll door retracting device of claim 1, further comprising a stopper, wherein the stopper is disposed on the fixing rod, the stopper is for blocking the shaft tube, and the shaft tube is Restricted between the fixing seat and the stopping member.