TWI542777B - Limit control switch of rolling door machine - Google Patents

Description

Roller door limit switch controller

BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a limit switch controller for a roll door machine, and more particularly to a limit switch controller that prevents displacement of a touch member from being adjusted to position.

Please refer to the third and fourth drawings of the specification of the "Adjustment Structure of the Limit Switch" of the Republic of China Patent Application No. 95147609, in which a worm shaft 62, a positioning elastic piece 63 and a limit cam piece 64 are disposed in a base 61. The positioning elastic piece 63 is a "V" shaped elastic piece, and the positioning elastic piece 63 is normally latched on a certain stopping groove 623 of a worm wheel 622 of the worm wheel shaft body 62. When the worm wheel 622 rotates, the positioning elastic piece 63 is The ribs between the locking grooves 623 are pressed and deformed so that the positioning elastic piece 63 can be caught over the other fixing groove 623 over the rib.

However, since the ribs between the fixing grooves 623 can be pressed by the positioning elastic piece 63 by rotating the worm wheel 622, the positioning elastic piece 63 cannot block the worm wheel 622 from being accidentally touched and rotated, thereby causing the worm wheel shaft body. The limit control piece 642 of the limit cam piece 64 is driven away from the predetermined position, thereby causing the limit control piece 642 to fail to accurately and efficiently activate the limit switch 4.

The main purpose of the present invention is to provide a limit switch controller for a roll door machine, comprising a base, an actuating member, a transmission member and a limiting member, the base having a casing and a cover, the casing The body has an accommodating space, and the cover body covers the accommodating space. The illuminating member is oscillatingly disposed in the accommodating space. The urging member has a shaft seat and an actuation plate, and the shaft seat has an engaging portion. The triggering plate is coupled to the shaft seat, and the triggering plate protrudes from the base, and the transmission member is rotatably disposed in the accommodating space, the transmission member has a screw, a driving plate and a limiting plate, the driving The disc is coupled to a first end of the screw, the limiting disc is coupled to a second end of the screw, the screw and the limiting disc rotate synchronously with the driving disc, and the driving disc and the limiting disc are Having a space for abutment, the screw is engaged with the engaging portion of the shaft seat, and the engaging portion is located in the seating space, the limiting plate has at least one limiting hole, and the limiting member is movably disposed on The pedestal, the limiting member has a positioning post, the positioning post can be selectively inserted The limiting hole of the stopper plate.

After the driving plate of the transmission member is rotated, so that the screw of the transmission member synchronously drives the trigger plate of the trigger member to swing to a predetermined position, the positioning post of the limiting member is inserted into the limiting plate. The limiting hole is rotated to prevent the transmission member from being accidentally touched, and the trigger plate is deviated from the predetermined position.

In contrast, when the trigger plate is to be adjusted, the positioning post of the limiting member is disengaged from the limiting hole of the limiting plate, so that the driving plate of the transmission member can be rotated to make the transmission member The screw synchronously drives the trigger plate of the trigger member to swing to another predetermined position, and then the positioning post of the limiting member is inserted into the limiting hole of the limiting plate to prevent the transmission member from being accidentally touched and rotated. .

Referring to FIG. 1 , a limit switch controller 100 of a roll door machine is used for combining a limit switch controller 100 for a limit switch controller of the roll door machine. The 100 touches a limit switch (not shown) to control the actuation path of a roll of door.

Referring to FIGS. 1 and 2, the limit switch controller 100 of the roll door machine includes a base 110, a trigger member 120, a transmission member 130, and a limiting member 140. The base 110 has a housing 111 and A housing 112 has an accommodating space 111a. The gear tray 200 has a shaft post 210. The shaft 210 is disposed in the housing 111 and is located in the accommodating space 111a.

Referring to FIGS. 1 and 2 , the trigger member 120 is swingably disposed in the accommodating space 111 a . The trigger member 120 has a shaft seat 121 and an actuation plate 122 . The trigger plate 122 is coupled to the shaft seat 121 . The seat 121 is pivotally connected to the shaft 210 so that the trigger plate 122 can swing around the shaft 210, and the trigger plate 122 protrudes from the base 110. In this embodiment, the trigger plate 122 is convex. The housing 111 of the base 110.

Referring to FIGS. 1 and 2 , an elastic member 300 is sleeved on the shaft post 121 , and the elastic member 300 is located between the shaft post 210 and the shaft seat 121 .

Referring to FIGS. 1 and 2, the transmission member 130 is rotatably disposed in the accommodating space 111a. The transmission member 130 has a screw 131, a driving plate 132 and a limiting plate 133. The driving plate 132 is coupled to the driving plate 132. a first end 131a of the screw 131 is coupled to a second end 131b of the screw 131. The housing 111 supports the screw 131 to enable the screw 131 to rotate in the accommodating space 111a. The limiting plate 133 has at least one limiting hole 133a. In this embodiment, an opening 133b of the limiting hole 133a faces the synchronous driving plate 132. Drive disk 132.

Referring to FIGS. 1 and 2, the shaft seat 121 has an engaging portion 121a. The screw 131 is engaged with the engaging portion 121a of the shaft seat 121. In this embodiment, the driving plate 132 and the limiting plate are There is a yield space 134 between the 133, the engaging portion 121a is located in the yield space 134, and the limiting hole 133a communicates with the yield space 134.

Referring to FIGS. 1 and 2, the limiting member 140 is movably disposed on the base 110. When the limiting member 140 is in a first position, the limiting member 140 is away from the limiting plate 133. When the limiting member 140 is in a second position, the limiting member 140 is adjacent to the limiting plate 133. The limiting member 140 has a positioning post 141. The positioning post 141 is located on the driving plate 132 and the limiting plate 133. The positioning post 141 can be selectively inserted into the limiting hole 133a of the limiting plate 133 to limit the rotation of the limiting plate 133 by the driving plate 132. Accordingly, the driving plate 132 is also avoided. Turned by being touched by mistake.

Referring to FIGS. 1 and 2, the cover 112 has a through hole 112a. In the embodiment, the limiting member 140 is preset to the cover 112. Please refer to FIGS. 1 and 2, in the touch member 120. After the transmission member 130 is disposed in the accommodating space 111a, the cover 112 covers the accommodating space 111a of the housing 111. In the embodiment, the cover 112 exposes the driving plate 132. Preferably, the cover 112 is disposed in the accommodating space 111a and the screw 131 and the limiting plate 133.

Referring to FIGS. 1 and 2, the through hole 112a exposes the limiting member 140 to drive the limiting member 140 to move in the through hole 112a. Referring to FIG. 3, in the embodiment, the through hole 112a has a The side wall 112b is provided with a rail 112c. The limiting member 140 is movably disposed on the rail 112c. Preferably, the limiting member 140 has a rib 142. The rib 142 has a notch 143. The side wall 112b of the through hole 112a is provided with a protrusion 112d. Referring to FIG. 4, the limiting member 140 is aligned with the notch 143 by the notch 143, and the rib 142 is passed through the protrusion 112d. And after the rib 142 passes the bump 112d, the limiting member 140 is moved to position the limiting member 140 at the first position (the position disclosed in FIG. 5) or the second position ( The position of the rib 142 is limited between the rail 112c and the bump 112d to prevent the limiting member 140 from coming off the cover 112.

Referring to FIGS. 5 and 6, in the embodiment, the cover 112 has a first limiting slot 112e and a second limiting slot 112f. The limiting member 140 has a limiting protrusion 144. When the limiting member 140 is in the first position (the position disclosed in FIG. 5), the limiting protrusion 144 is latched in the first limiting slot 112e, and when the limiting member 140 is in the second position (the first position) When the position is shown in FIG. 6 , the limiting protrusion 144 is latched in the second limiting slot 112f to prevent the limiting member 140 from being accidentally touched and displaced.

Please refer to the figures 7 to 11, wherein the figures 8 to 11 are schematic views for the operation of the cover 112. First, please refer to the figures of Figures 6, 7 and 8, and the position of the limit member 140 is the second position (the first position The position of the positioning post 141 is inserted into the limiting hole 133a of the limiting plate 133 through the opening 133b of the limiting hole 133a, so that the external force cannot touch the driving plate 132, and the limit is made. The bit member 140 cannot be rotated.

Please refer to the figures 5, 9 and 12. If the trigger plate 122 is to be adjusted to a predetermined position, the limiting member 140 must be pushed away from the limiting plate 133 to disengage the positioning post 141 from the limiting plate 133. The limiting hole 133a can be rotated by the driving plate 132 without being restricted by the positioning post 141. Then, referring to FIG. 10, the driving plate 132 is externally driven to make the screw 131. And the limit plate 133 The driving plate 132 rotates synchronously, and the screw 131 can rotate the shaft seat 121 of the trigger member 120 to swing the trigger plate 122 to the predetermined position. Referring to FIGS. 11 and 13, the trigger plate 122 swings. After the predetermined position, the positioning post 141 is inserted into the limiting hole 133a of the limiting plate 133, so that the limiting plate 133 is restricted by the positioning post 141, so that the external force can not touch the driving plate 132, and further When the screw 131 fails to rotate the shaft seat 121 of the trigger member 120, the trigger plate 122 can be fixed at the predetermined position.

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‧‧‧The limit switch controller for the door roller

110‧‧‧Base

111‧‧‧Shell

111a‧‧‧ accommodating space

112‧‧‧ cover

112a‧‧‧Perforation

112b‧‧‧ Sidewall

112c‧‧ Track

112d‧‧‧Bumps

112e‧‧‧First limit slot

112f‧‧‧second limit slot

120‧‧‧Touching parts

121‧‧‧ shaft seat

121a‧‧‧Meshing Department

122‧‧‧Touch plate

130‧‧‧ Transmission parts

131‧‧‧ screw

131a‧‧‧ first end

131b‧‧‧second end

132‧‧‧ drive disk

133 limit plate 133a limit hole 133b opening 134 let space 140 limiter 141 positioning post 142 rib 143 notch 144 limit projection 200 gear plate 210 shaft column 300 elastic parts

Fig. 1 is a perspective view showing a "limit switch controller of a rolling door machine" of the present invention. Fig. 2 is an exploded perspective view showing the "limit switch controller of the rolling door machine" of the present invention. Fig. 3 is an exploded perspective view showing the cover body and the stopper of the "extreme switch controller of the rolling door machine" of the present invention. Fig. 4 to Fig. 6 are schematic views showing the operation of the stopper of the "extreme switch controller of the rolling door machine" of the present invention. Fig. 7 is another perspective view of the "limit switch controller of the rolling door machine" of the present invention. Fig. 8 to Fig. 11 are diagrams showing the operation of the "limit switch controller of the rolling door machine" of the present invention. Figures 12 to 13 are schematic views of the operation of the "limit switch controller of the rolling door machine" of the present invention.

100 Roller door limit switch controller 111 Housing 111a accommodating space 120 Actuator 121 Shaft seat 121a Engagement portion 122 Actuating plate 130 Transmission member 131 Screw 131a First end 132 Drive plate 133 Limit plate 133a Limit hole 133b Opening 134 let space 140 limiter 141 positioning post 200 gear plate 210 shaft column 300 elastic parts

Claims (12)

A limit switch controller for a rolling door machine, comprising: a base having a casing and a cover, the casing having an accommodating space, the cover covering the accommodating space; and an actuating member swingingly Disposed in the accommodating space, the trigger member has a shaft seat and an actuation plate, the shaft seat has an engaging portion, the trigger plate is coupled to the shaft seat, and the trigger plate protrudes from the base; Rotatingly disposed in the accommodating space, the transmission member has a screw, a driving plate and a limiting plate, the driving plate is coupled to a first end of the screw, and the limiting plate is coupled to the screw a second end, the screw and the limiting disc rotate synchronously with the driving disc, and a displacement space is provided between the driving disc and the limiting disc, and the screw engages the engaging portion of the shaft seat, The positioning portion is located in the accommodating space, the limiting plate has at least one limiting hole, and a limiting member is movably disposed on the base, the limiting member has a positioning post, and the positioning column is selective Insert the grounding hole of the limiting plate. The limit switch controller of the roll door machine of claim 1, wherein the cover body has a through hole, the through hole revealing the limit member. The limit switch controller of the roll door machine of claim 2, wherein the limit member is disposed on the cover. The limit switch controller of the rolling door machine of claim 3, wherein a side wall of the through hole is provided with a rail, and the limiting member is movably disposed on the rail. The limit switch controller of the rolling door machine of claim 4, wherein the limiting member has a rib, the side wall of the through hole is provided with a protrusion, the rib is located at the track and the protrusion between. The limit switch controller of the roll door machine of claim 5, wherein the rib has a notch. The limit switch controller of the roll door machine of claim 1, wherein the cover covers the limit plate. The limit switch controller of the roll door machine of claim 1, wherein the limit hole communicates with the yield space. The limit switch controller of the roll door machine of claim 1, wherein the positioning post is located between the drive plate and the limit plate. The limit switch controller of the roll door machine of claim 1, wherein the limit hole has an opening facing the drive plate. The limit switch controller of the rolling door machine of claim 3, wherein the cover body has a first limiting slot, the limiting member has a limiting convex portion, and the limiting convex portion is engaged with The first limit slot. The limit switch controller of the rolling door machine of claim 3, wherein the cover body has a second limiting slot, the limiting member has a limiting convex portion, and the limiting convex portion is engaged with The second limit slot.