TWM592910U - Side door linkage structure of rolling door - Google Patents

Abstract

This creation is a side door linkage structure of a rolling door, including a guide unit, a transmission unit, a side door, and a roll door. The guide unit has an upper rail and a lower rail; and the transmission unit has an engaging seat and a motor , A scroll rod, an actuating rod, a driving wheel, a driven device, and a control device; and one end of the scroll rod is connected with the motor shaft; and the turbine meshes with the scroll rod, and an engaging groove is provided on the top surface of the turbine ; The actuating rod is inserted through the turbine and rotates with the turbine, and a first elastic member is joined at the bottom end to provide the elastic force for the actuating rod to move downward; the actuating wheel is provided on the actuating rod to be linked with the actuating rod, and a turbine embedding can be embedded below The inlay body of the connection groove; the driven device has a driven wheel, a driven rod, and a transmission member; and the control device controls whether the inlay body of the driven wheel is engaged with the inlay groove of the turbine; and the side door can The upper and lower rails are displaced, and the top is linked with the transmission part; and the roll door is located at the side of the side door; by this work, the side door can be moved laterally during a power outage.

Description

Linking structure of side door of rolling door

This work is about a linkage structure of the side door of a rolling door, mainly referring to a structure that can control whether the side door and the transmission device are linked.

At present, rolling doors are often provided in residential or storefronts, and a parking garage is often formed inside the rolling door, and a side door with a smaller width is generally designed on one side of the rolling door to facilitate people to enter and exit.

The aforementioned rolling door is limited by the construction area. When the width of the building is small, the width of the rolling door can only provide one car. However, when the combined width of the rolling door and the side door can provide two cars at the same time, the side doors cannot be fully expanded. As a result, the garage can only park one car, resulting in poor space utilization.

In order to improve the aforementioned deficiencies, for example, TWI576501 discloses that the sliding door and the sliding seat are respectively arranged above and below the rolling door and the side door, and the connecting seat of the side door is connected with the transmission belt, and the motor can be activated and driven when the rolling door is raised. The transmission wheel, driven wheel, transmission belt, and side door move laterally to provide access for the second vehicle.

Therefore, the side door can be automatically moved horizontally by the motor, which has better convenience. However, when the power is cut off, the side door may not be able to move horizontally due to the locking of the motor shaft, and the use inconvenience is lost when the power is cut off.

The purpose of this creation is to provide a structure that can control whether the side door and the transmission device are linked.

This creation includes a guide unit, a transmission unit, a side door, and a roll door. The guide unit has an upper rail; and the transmission unit has an adapter seat, a motor, a scroll rod, an actuating rod, and an actuating wheel 1. A driven device and a control device, the joint seat is provided at a position on one side of the upper rail; and one end of the scroll rod is interlocked with the motor shaft; and the turbine meshes with the scroll rod, and an embedded joint is provided on the top surface of the turbine Groove; and the actuating rod penetrates the turbine and rotates with the turbine, and a first elastic member is joined at the bottom end to provide a downward elastic force of the actuating rod; and the actuating wheel is provided on the actuating rod to link with the actuating rod, The lower part has an engaging body which can be embedded in the turbine embedding groove; and the driven device has a driven wheel, a driven rod, and a transmission member, the driven wheel meshes with the driven wheel; and the driven rod is linked with the driven wheel Engagement, and the transmission member is linked with the driven rod, and the control device is provided on the engagement seat, can control whether the engaging body of the driving wheel is engaged with the engaging groove of the turbine; and the side door can be The upper rail is displaced on the top, and the top is linked with the transmission member; the roll door is set at the side of the side door, and the side door can be moved horizontally by the transmission unit when the roll door is raised.

Further, the transmission member may be two runners and a belt, one of the runners is linked with the driven rod, and the other runner is located at the other end of the upper rail; and the belt may be located at the upper rail and surround the two runners and The two runners are linked; the top of the side door is linked with the belt.

Further, the engaging seat has a first accommodating groove, a second accommodating groove, a third accommodating groove, a first upper cover, and a second upper cover. The first accommodating groove has first and second shaft holes , And the second accommodating groove is provided on one side of the first accommodating groove with a third shaft hole, and the third accommodating groove is provided under the second accommodating groove; and the first upper cover can be closed The top of the first accommodating groove is provided with a perforation, and two pivot plates are arranged on the top, and the two pivot plates are respectively provided with first and second pivot holes; and the second upper cover can cover the top of the second accommodating groove , With a fourth shaft hole; and the motor is engaged with one side of the joint seat; and the end of the scroll rod is inserted into the first accommodating groove through the first shaft hole; and the turbine is provided in the first accommodating chamber The groove is engaged with the scroll rod, the turbine has a perforation in the center; the actuator rod penetrates the turbine perforation and rotates with the turbine, and the top end penetrates the perforation of the first cover; and the top end of the actuator rod protrudes from the first Above the perforation of the upper cover, a top holding piece with a diameter larger than the top of the actuating rod is joined; and the control device is provided above the first upper cover and has an actuating block, a pressing block, a pull rod, and a second elastic member, the The pivot hole of the actuating block is pivotally arranged at the position of the first pivot hole, one side of the pivot hole can bear the top holding end under the top holding piece, and the other side of the pivot hole has a slope surface which can provide the offset action of the actuating block , With pressure surface at the top; the pressure block is located between the two pivot plates, and the pivot hole is pivotally arranged at the position of the second pivot hole, and a non-pressure portion and a pressure portion protruding from the non-pressure portion are provided The center of the pull rod is engaged with the pressing block, and one end has a pull-down portion; and the second elastic member provides the non-pressing part of the pressing block when the pull rod is not pulled, which can correspond to the position of the pressing surface of the actuating block.

Further, the guiding unit further includes a lower rail, and the side door is disposed between the upper and lower rails, with at least one upper wheel seat on the upper side and at least a lower wheel seat on the lower side, the upper wheel base is engaged with the upper side door, and can be mounted on the upper rail The upper guide wheel is rolled, and the upper wheel seat is provided with an interlocking part to interlock with the transmission member of the transmission unit, and the lower wheel seat can elastically actuate the lower guide wheel to engage with the lower rail.

Further, the lower wheel seat has two corresponding first side plates, two corresponding second side plates, two guide blocks, two springs, and a lower guide wheel. The two first side plates are arranged oppositely, and a hollow part is provided in the center. A convex body is provided above the hollow part, and convex rails are provided on the lower two sides; the second side plate is respectively joined to the sides of the two first side plates, and a receiving space is provided between the first and second side plates. The center of the lower part of the two side plates has a concave portion; the two guide blocks are respectively provided at the positions of the penetrating parts of the two first side plates, the two side have guide grooves that can be engaged with the convex rail, and a shaft hole is provided in the center, and a joint is provided above Groove; the two ends of the two springs are respectively engaged with the protrusions of the two first side plates and the engaging grooves of the two guide blocks, and can provide the downward elastic force of the guide blocks; and the lower guide wheel is provided in the accommodating space Position, with shaft hole, and the shaft is inserted through the second guide block and the shaft hole of the lower guide wheel.

In this creation, when the power is not cut off, the actuating rod can be moved downward by the elastic force of the first elastic member, and the engaging body of the actuating wheel can be stably engaged with the engaging groove of the turbine, and when the rolling door is raised, the motor can be operated and the vortex can be caused. The rod can drive the turbine, driven wheel, driven wheel, runner, belt body, and side door to move laterally, and the original side door position can provide vehicle access, and when the motor stops, the side door is pushed by external force and it is difficult to reverse the turbine. And the rotation of the motor shaft can lock the position of the side door.

In this creation, when the power is cut off, the lever can be pulled, and the pressing portion of the pressing block can press the pressure surface of the operating block to offset the operating block, and the top holding end of the operating block can hold the top holding piece of the operating rod. The moving rod is moved up, and the moving wheel is moved up to separate from the driven wheel at the same time, so that the moving rod, turbine, and scroll rod will not be connected when the side door is moved laterally, and the side door can still move horizontally when the power is turned off.

Please refer to FIGS. 1 to 5, the creation includes a guide unit 1, a transmission unit 2, a side door 3, and a roll door 4. The guide unit 1 has an upper rail 11 and a lower rail 12.

The transmission unit 2 is provided on the side of the track 11 above the guide unit 1, and has an engaging seat 21, a motor 22, a scroll rod 23, a turbine 24, an actuating rod 25, an actuating wheel 26, a driven device 27, A control device 28, the joint base 21 is fixed on the side of the track 11 above the guiding unit 1, and has a first accommodating groove 211, a second accommodating groove 212, a third accommodating groove 213, a first An upper cover 214 and a second upper cover 215, the first accommodating groove 211 has first and second shaft holes 2111, 2112, the second accommodating groove 212 is provided on the side of the first accommodating groove 211, and has a third shaft hole 2121; the third accommodating groove 213 is disposed under the second accommodating groove 212; and the first upper cover 214 can cover the top of the first accommodating groove 211, with a perforation 2141, and two corresponding pivot connections are provided on the top Plate 2142, the two pivoting plates 2142 are respectively provided with first and second pivot holes 2143 and 2144; and the second upper cover 215 can cover the top of the second accommodating groove 212 and has a fourth shaft hole 2151.

The motor 22 is engaged with one side of the engaging base 21; one end of the scroll rod 23 is engaged with the rotation shaft (not shown) of the motor 22, and the other end is inserted into the first accommodating groove 211 through the first shaft hole 2111.

The turbine 24 is disposed in the first accommodating groove 211 and meshes with the scroll rod 23. The bottom of the turbine 24 penetrates the second shaft hole 2112 and is engaged by a first baffle 241 to prevent the turbine 24 from disengaging from the engagement seat 21. A perforation 242; an insertion groove 243 is provided on the top surface of the turbine 24.

The actuating rod 25 penetrates the perforation 242 of the turbine 24 and rotates with the turbine 24, the top penetrates the perforation 2141 of the first upper cover 214, and a second blocking piece 251 is disposed at the bottom and engages a first elastic member 252. The first elastic member 252 It is a telescopic spring, and the two ends respectively abut against the second blocking piece 251 and the turbine 24 and provide the downward elastic force of the actuating rod 25; the top of the actuating rod 25 protrudes above the perforation 2141 of the first upper cover 214 and engages a diameter The holding piece 253 is larger than the diameter of the top of the actuating rod 25.

The actuating wheel 26 is fixed on the actuating rod 25 and interlocks with the actuating rod 25, and an engaging body 261 can be inserted into the engaging groove 243 of the turbine 24 below.

The driven device 27 has a driven wheel 271, a driven rod 272, and a transmission member 273. The driven wheel 271 is disposed in the second accommodating groove 212 and meshes with the driven wheel 26; the driven rod 272 and the driven wheel 271 interlocking engagement, the top end is engaged with the fourth shaft hole 2151 of the second upper cover 215, the bottom end is inserted through the third shaft hole 2121 to the third accommodating groove 213; and the transmission member 273 is a two-wheel 2731, a belt 2732, the A runner 2731 is disposed in the third accommodating groove 213 and is linked with the driven rod 272. The other runner 2731 is located at the other end of the upper rail 11; and the belt 2732 is located at the position of the upper rail 11 and surrounds the second runner 2731 and the second The runner 2731 is linked.

The control device 28 is disposed above the first upper cover 214, and has an actuating block 281, a pressing block 282, a pull rod 283, and a second elastic member 284. The actuating block 281 has a pivot hole 2811 pivotally disposed in the first pivot hole 2143 Position, one side of the pivot hole 2811 has a top holding end 2812 that can abut under the top holding piece 253, the bottom of the other side of the pivot hole 2811 has an inclined surface 2813 that can provide an offset action of the actuating block 281, and a pressure surface 2814 above .

The pressing block 282 is disposed between the two pivoting plates 2142, and has a pivot hole 2821 pivotally positioned at the second pivot hole 2144, and a non-pressing portion 2822 and a pressing portion 2823 protruding from the non-pressing portion 2822 are provided, and The pressing block 282 of this embodiment is composed of the first and second blocks 2824 and 2825 butt jointed. The abutment positions of the first and second blocks 2824 and 2825 have the abutment surface 2826 and the inclined surface 2827, and the first block 2824 A groove 2828 that can engage the pull rod 283 is provided on one side.

The center of the pull rod 283 is engaged with the pressing block 282, one end has a pull-down portion 2831 that can be engaged with the rope body 2832, and a third elastic member 2833 is provided to abut against the pivot plate 2142, and the second elastic member 284 is a telescopic spring, and The two ends are respectively engaged with the other end of the pull rod 283 and the first upper cover 214, and can provide the non-pressing portion 2822 of the pressing block 282 when the pull rod 283 is not pulled, which can correspond to the position of the pressing surface 2814 of the actuating block 281, and the aforementioned pull rod If 283 is excessively pulled by the second elastic member 284, the inclined surface 2827 can be designed to disengage the first block 2824 from the second block 2825 and compress the third spring 2833, which can ensure that the pressing portion 2823 is pressed when the pull rod 283 is not stretched. The actuation block 281 will not be pressed to cause a malfunction.

Please refer to FIGS. 5-7, the side door 3 is provided between the upper and lower rails 11 and 12 with an upper wheel base 31 on the upper side and a lower wheel base 32 on the lower side. The upper wheel base 31 is engaged with the upper side door 3 and can be mounted on the upper rail 11 The upper guide wheel 311 is rolled, and the upper wheel base 31 is provided with an interlocking portion 312 to interlock with the belt 2732 of the transmission unit 2.

Referring to FIGS. 6 and 7, the lower wheel base 32 is engaged with the lower side door 3, and has two corresponding first side plates 321, two corresponding second side plates 322, two guide shift blocks 323, two springs 324, and a lower guide wheel 325. The two first side plates 321 are arranged oppositely. The center has a hollow portion 3211. A convex body 3212 is provided above the hollow portion 3211, and a convex rail 3213 is provided on the lower two sides. The second side plates 322 are respectively on the sides of the two first side plates 321 And the first and second side plates 321 and 322 have an accommodating space 326 between them. The first and second side plates 321 and 322 can be fixed under the side door 3, and the center under the second side plate 322 has a recess 3221; The two guide shifting blocks 323 are respectively disposed at the positions of the transparent portions 3211 of the two first side plates 321. The two sides are provided with guide grooves 3231 that can be engaged with the convex rail 3213, and a shaft hole 3232 is provided in the center, and an engaging groove 3233 is provided above.

The two ends of the two springs 324 are respectively engaged with the convex body 3212 of the first side plate 321 and the engaging groove 3233 of the second guide block 323, and can provide the downward elastic force of the guide block 323; and the lower guide wheel 325 is provided in the accommodating space 326 position, and has a shaft hole 3251, and the shaft 3252 is inserted through the second guide block 323 and the shaft holes 3232 and 3251 of the lower guide wheel 325; the side door 3 has a rail frame 33 on one side.

The rolling door 4 is provided between the upper and lower rails 11 and 12 corresponding to the side of the side door 3, and the side of the rolling door 4 is located at the position of the side rail frame 33 of the side door 3 and can be controlled to expand or collapse.

In this creation, as shown in FIG. 4 when there is no power outage, the actuating rod 25 can be moved downward by the elastic force of the first elastic member 252, and the engaging body 261 of the actuating wheel 26 and the engaging groove 243 of the turbine 24 are stably engaged. When the door 4 rises, the motor 22 can be operated, and the scroll rod 23 can drive the turbine 24, the driving wheel 26, the driven wheel 271, the runner 2731, the belt body 2732, and the side door 3 to move laterally, and the original side door 3 position can be provided. Vehicle access.

When the motor 22 stops, it is difficult to push the side door 3 by external force. It is difficult for the turbine 24 to drive the scroll rod 23 and the rotating shaft of the motor 22 to rotate in the reverse direction, and the position of the side door 3 can be locked.

The side door 3 of the present invention can make the upper and lower wheel bases 31, 32 more stable to engage with the upper and lower rails 11, 12 by the elastic force of the lower wheel base 32, so that the side door 3 can be moved laterally for better stability.

Please refer to FIGS. 8 and 9. In this work, when the power is cut off, the pull rod 283 can be pulled, and the pressing portion 2823 of the pressing block 282 can press the pressure-receiving surface 2814 of the operating block 281 to offset the operating block 281 and make the operating block The top holding end 2812 of 281 can hold the top holding piece 253 of the actuating lever 25 to move the actuating lever 25 upwards, and at the same time drive the moving wheel 26 to move away from the driven wheel 271, so that the side door 3 will not move the moving lever 25 when it moves sideways , Turbine 24, worm rod 23, can make the side door 3 can still be moved by manual horizontal movement when power is off.

Therefore, as mentioned above, this creation can provide that the side door can still move smoothly in case of power failure, and the side door can move laterally for better stability. The foregoing embodiment is an example of this creation, not a limitation of this creation. The equivalent change of the spirit should also fall within the scope of this creation.

1: Guiding unit 11: On the track 12: Lower track 2: Drive unit 21: Joint seat 211: The first receiving slot 2111: First shaft hole 2112: Second shaft hole 212: Second receiving slot 2121: Third shaft hole 213: Third receiving slot 214: First cover 2141: Piercing 2142: Pivot plate 2143: The first pivot hole 2144: Second pivot hole 215: Second upper cover 2151: Fourth shaft hole 22: Motor 23: scroll rod 24: Turbo 241: first stop 242: Piercing 243: Inlay groove 25: Actuator 251: second stop 252: the first elastic piece 253: Hold the film 26: Actuating wheel 261: inlay 27: Follower 271: driven wheel 272: follower rod 273: Transmission parts 2731: runner 2732: belt body 28: Control device 281: Action block 2811: pivot hole 2812: top hold 2813: Bevel 2814: Pressure surface 282: Pressure block 2821: pivot hole 2822: Non-pressure section 2823: Pressure part 2824: The first block 2825: Second block 2826: contact surface 2827: guide slope 2828: groove 283: Tie rod 2831: Pulldown 2832: Rope 2833: third elastic piece 284: Second elastic piece 3: side door 31: Upper wheel seat 311: Upper guide wheel 312: Linkage Department 32: Lower wheel seat 321: First side panel 3211: Transparency Department 3212: Convex body 3213: convex rail 322: Second side panel 3221: recess 323: Guide block 3231: Guide groove 3232: Shaft hole 3233: splice groove 324: Spring 325: Lower guide wheel 3251: Shaft hole 3252: Shaft 326: accommodating space 33: rail frame 4: Rolling door

Figure 1 is a front view of the composition of this creation.

Figure 2 is an exploded view of the original transmission unit.

Figure 3 is a combination diagram of the original transmission unit.

Figure 4 is a sectional view of the original drive unit combination.

Figure 5 is a cross-sectional view of another combination of angles of the original transmission unit.

Figure 6 is an exploded view of the wheel base in this creation.

Figure 7 is a schematic diagram of the combination of the lower wheel base and the side door of this creation.

Figure 8 is a schematic diagram of the side door of the original creation.

Figure 9 is a schematic diagram of the action of the original transmission unit in the unlocked state.

2: Drive unit

21: Joint seat

211: The first receiving slot

2111: First shaft hole

2112: Second shaft hole

212: Second receiving slot

2121: Third shaft hole

213: Third receiving slot

214: First cover

2141: Piercing

2142: Pivot plate

2143: The first pivot hole

2144: Second pivot hole

215: Second upper cover

2151: Fourth shaft hole

22: Motor

23: scroll rod

24: Turbo

241: first stop

242: Piercing

243: Inlay groove

25: Actuator

251: second stop

252: the first elastic piece

253: Hold the film

26: Actuating wheel

261: inlay

27: Follower

271: driven wheel

272: follower rod

273: Transmission parts

2731: runner

2732: belt body

28: Control device

281: Action block

2811: pivot hole

2812: top hold

2813: Bevel

2814: Pressure surface

282: Pressure block

2821: pivot hole

2822: Non-pressure section

2823: Pressure part

2824: The first block

2825: Second block

2826: contact surface

2827: guide slope

2828: groove

283: Tie rod

2831: Pulldown

2832: Rope

2833: third elastic piece

284: Second elastic piece

Claims (7)

A side door linkage structure of a rolling door, including: A guiding unit with an upper track; A transmission unit, which has a joint seat, a motor, a scroll rod, an actuating rod, a driving wheel, a driven device, and a control device, the joint seat is located at one side of the upper rail; The rotating shaft of the motor is engaged with each other; and the turbine meshes with the scroll rod, and an insertion groove is provided on the top surface of the turbine; and the actuator rod penetrates the turbine and rotates with the turbine, and a first elastic member is joined to the bottom end to Provides the elastic force of the downward movement of the actuating rod; the actuating wheel is provided on the actuating rod to be linked with the actuating rod, and the lower part is provided with an engaging body which can be embedded in the turbine embedding groove; and the driven device has a driven wheel and a driven Lever, a transmission member, the driven wheel is meshed with the driven wheel; the driven lever is linked with the driven wheel, the transmission member is linked with the driven rod, and the control device is provided on the joint seat Controlling whether the fitting body of the driving wheel is engaged with the fitting groove of the turbine; One side door can be displaced on the upper rail, and the top is connected with the transmission member in linkage; A roll door is provided at the side of the side door, and when the roll door is raised, the transmission unit can move the side door horizontally. The side door linkage structure of the rolling door according to claim 1, wherein the transmission member has two wheels and a belt, one of the wheels is linked to the driven rod, and the other wheel is located at the other end of the upper rail; In addition, the belt can be located at the position of the upper rail and interlock with the two wheels around the two runners; and the top of the side door is interlocked with the belt. The side door linkage structure of the rolling door according to claim 1, wherein the joint seat has a first accommodating groove, a second accommodating groove, a third accommodating groove, a first upper cover, and a second upper cover, The first accommodating groove has first and second shaft holes, and the second accommodating groove is provided on one side of the first accommodating groove, and has a third shaft hole, and the third accommodating groove is provided in the second Under the accommodating groove; the first upper cover can cover the top of the first accommodating groove, with a perforation, and two corresponding pivot plates are provided on the top, and the two pivot plates are respectively provided with first and second pivot holes; And the second upper cover can cover the top of the second accommodating groove, and has a fourth shaft hole; and the motor is engaged with one side of the joint seat; and one end of the scroll rod is inserted through the first shaft hole and provided on the first In the accommodating groove; the turbine is arranged in the first accommodating groove and meshes with the scroll rod; the center of the turbine has a perforation; and the actuating rod penetrates the perforation of the turbine and rotates with the turbine, and the top penetrates the first A perforation of the upper cover; the top of the actuating rod protrudes above the perforation of the first upper cover and engages a top holding piece with a diameter larger than the top of the actuating rod; and the control device is provided above the first upper cover and has an actuation Block, a pressing block, a pull rod, a second elastic member, the actuating block has a pivot hole pivotally arranged at the position of the first pivot hole, and one side of the pivot hole has a top holding end which can abut under the top holding piece , The other side of the pivot hole has an inclined surface that can provide the offset action of the actuating block, and the upper side has a pressure surface; and the pressing block is disposed between the two pivot plates, and the pivot hole is pivotally disposed on the second pivot The hole position is provided with a non-pressing part and a pressing part protruding from the non-pressing part; and the center of the rod is engaged with the pressing block, and one end has a pull-down part; and the second elastic member provides when the rod is not pulled The non-pressing portion of the pressing block may correspond to the position of the pressing surface of the actuating block. The linkage structure of the side door of the rolling door according to claim 3, wherein the pressing block is composed of the first and second blocks butted, and the abutment position of the first and second blocks has an abutment surface and an inclined surface, and One side of the block is provided with a groove that can engage the pull rod, and further includes a third elastic member disposed between the pull rod and the pivot plate. The linkage structure of the side door of the rolling door according to claim 1, wherein the guide unit further includes a lower rail, and the side door is provided between the upper and lower rails, with at least one upper wheel seat on the upper side and at least a lower wheel seat on the lower side , The upper wheel seat is engaged with the upper side of the side door, with an upper guide wheel that can roll on the upper rail, and the upper wheel seat is provided with an interlocking part to interlock with the transmission member of the transmission unit, and the lower wheel seat can elastically actuate the lower guide The wheel is engaged with the lower track. The side door linkage structure of the rolling door according to claim 5, wherein the lower wheel seat has two corresponding first side plates, two corresponding second side plates, two guide shift blocks, two springs, and a lower guide wheel, the two first The side plates are oppositely arranged, the center has a hollow part, and the lower two sides are provided with convex rails; and the second side plate is respectively joined to the sides of the two first side plates, and a containing space is provided between the first and second side plates, The lower side of the second side plate has a concave portion; and the two guide blocks are respectively provided at the positions of the penetrating portions of the two first side plates, the two side have guide grooves that can be engaged with the convex rail, and a shaft hole is provided in the center; The two ends of the two springs are respectively engaged with the two first side plates and the two guide blocks, and can provide the downward elastic force of the guide blocks; and the lower guide wheel is provided in the accommodating space and has a shaft hole, And the shaft is inserted through the second guide block and the shaft hole of the lower guide wheel. The side door linkage structure of the rolling door according to claim 6, wherein a convex body is provided above the penetrating portion of the first side plate, an engaging groove is provided above the guide block, and the two ends of the spring are respectively connected to the convex body and The joining groove is joined.

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