TWM620921U - Handrail and scaffold staircase with the handrail - Google Patents

Abstract

An armrest includes two fixed seats and an armrest body. The two fixed seats are detachably combined on a rod body at intervals. The armrest system includes two vertical rods and two connecting rods connected in parallel between the two vertical rods. The lower ends of the two vertical rods can be inserted into the two fixing seats, the two ends of the two connecting rods are swingably connected to the two vertical rods, and the two vertical rods can be folded so that the two vertical rods are relatively close together, and the two connecting rods Folded between the two vertical poles in a side-by-side state; a scaffold staircase with the above-mentioned handrail includes a stair body and two handrails combined on both sides of the stair body; thereby, the handrail can be convenient, fast and firm The assembly is to protect the safety of construction personnel to walk, and the main body of the armrest can be folded into a smaller volume for convenient handling, transportation and storage.

Description

Handrail and scaffold staircase with the handrail

This creation is related to the technical field of a handrail and a scaffolding staircase with the handrail, especially a kind of handrail that can be assembled conveniently, quickly and firmly to protect the safety of construction workers from walking, and can make the body of the handrail A handrail and scaffold staircase with the handrail that can be folded into a smaller volume to facilitate handling, transportation and storage.

The commonly known scaffold stairs are hollow without any protection on both sides. Therefore, when the construction personnel walk on it, it is easy to fall accidentally, especially when the construction materials are transported. Work safety accidents occurred without protection on both sides.

In view of this, the author is actively researching, after many trials and improvements, finally developed a practical effect that can solve the above problems.

The main purpose of this creation is to provide a simple, fast and convenient installation on the body of the stairs to improve the work safety of the conventional scaffolding stairs that are prone to accidental fall without protection on both sides, and to enable the main body of the handrail to be able to Fold into a smaller volume to facilitate handling, transportation and storage.

An armrest described in this creation includes two fixed seats and an armrest body. The two fixing bases are detachably combined on a rod body at intervals, and each fixing base includes a base and a A buckle, the front side of the seat body has at least one set of tubes with an open top and a closed bottom, the buckle is rotatably combined with the rear side of the seat and can be clamped on the rod body . The armrest system includes two vertical rods and two connecting rods connected in parallel between the two vertical rods. The two vertical rods are arranged in parallel and upright, and the lower ends can be inserted into the two sleeves of the two base bodies. The two ends of the connecting rod are swingably connected to the two vertical rods, and the two vertical rods can be folded to make the two vertical rods relatively close together, and the two connecting rods are folded between the two vertical rods in a side-by-side state.

The scaffold staircase with the above-mentioned handrails described in this creation includes a staircase. The system includes two supporting rods arranged in parallel and a plurality of pedals spaced between the two supporting rods. The two handrails are connected to the two support rods on both sides of the stair body. The two fixing seats of the handrail on one side are connected to the support rod on one side at intervals by their own fasteners, and the side handrail The lower ends of the two vertical rods of the armrest body are inserted into the two sleeves of the two fixing seats on that side, and the two fixing seats of the armrest on the other side are connected to the other side at intervals by their own fasteners. The lower end of the armrest body of the armrest on the other side is inserted on the two sleeves of the two fixing seats on the side.

The handrail provided by this creation and the scaffolding staircase with the handrail can be installed on both sides of the stair body by installing the two handrails respectively, so that the construction staff can walk on the stair body more safely. Moreover, by fixing the two fixing bases on the support rod on one side of the stair body, and then inserting the two vertical rods of the handrail body into the two sleeves of the two fixing bases, the installation is completed , So the installation is very simple, fast and convenient. In particular, the structural design that the fastener can be rotated and positioned on the rear side of the fixing seat makes it applicable to stairs of various slopes. In particular, after the armrest body is folded, the two connecting rods can be folded in a side-by-side state between the two vertical rods. The structural design can greatly reduce the folded volume, and furthermore It is more convenient and does not take up space when handling, transporting and retracting.

1: Stair body

10: Support rod

11: Pedal

2: armrest

20: fixed seat

21: Seat

210: fixed piece

211: Casing

212: Stud

22: Buckle

220: fixed half ring

221: Active Half Ring

222: lock lever

223: lock nut

224: fixed nut

225: Convex

226: missing slot

227: thread section

30: Armrest body

31: Pole

310: Upper pivot

311: Lower pivot

32: connecting rod

320: end piece

321: Axle Bolt

[Figure 1] is a three-dimensional exploded schematic diagram of this creation.

[Figure 2] is a schematic diagram of the three-dimensional combination of this creation.

[Figure 3] is a three-dimensional exploded schematic diagram of the fixed seat of this creation.

[Figure 4] is a schematic diagram of the three-dimensional assembly of the fixed seat of this creation.

[Figure 5] is a schematic diagram of the plane action of the fixed seat of this creation.

[Figure 6] is a three-dimensional schematic diagram of the open state of the armrest body of this creation.

[Figure 7] is a three-dimensional schematic diagram of the folded state of the armrest body of this creation.

[Figure 8] is an enlarged top view of the folded state of the armrest body of this creation.

Please refer to Figures 1 and 2, which show that the scaffolding staircase described in this creation includes a staircase body 1 and two handrails 2, of which:

The stair main body 1 includes two supporting rods 10 arranged in parallel and a plurality of pedals 11 connected between the two supporting rods 10 at intervals.

The two handrails 2 are respectively installed on both sides of the staircase body 1, and each handrail 2 includes two fixing seats 20 and a handrail body 30. The two fixing bases 20 are detachably combined on the support rod 10 on the same side of the stair body 1, and the handrail body 30 can be plugged into the two fixing bases 20.

Please refer to FIGS. 3 to 5, which show that the fixing base 20 includes a body 21 and a fastener 22, in which:

The seat body 21 includes a fixing piece 210, at least a set of pipe 211 connected to the front side of the fixing piece 210 with an open top and a closed bottom, and a stud vertically connected to the rear side of the fixing piece 210 212. In this embodiment, the seat body 21 has two sleeves 211.

The buckle 22 includes a fixed half ring 220, a movable half ring 221, a lock rod 222 and a lock nut 223. The fixed half ring 220 is provided for the stud 212 to pass through, and a fixed nut 224 is used to screw it on the stud 212 so that the fixed half ring 220 can be attached to the rear side of the seat 21 Rotate and position to match the angle of the support rod 10. One end of the movable half ring 221 is swingably coupled to one end of the fixed half ring 220, and the other end has a convex portion 225. The movable half ring 221 can be clamped on the support rod 10 with the fixed half ring 220. The portion 225 has a notch 226 in an open shape. The lock rod 222 is swingably coupled to the other end of the fixed half ring 220 and can be inserted into the notch 226. The lock rod 222 has a threaded section 227. The lock nut 223 is screwed on the threaded section 227 of the lock rod 222, and can be screw-locked on the outside of the convex portion 225 so that the fixed half ring 220 and the movable half ring 221 are relatively abutted to clamp the Support rod 10. Thereby, the buckle 22 can be clamped on the support rod 10 simply, quickly and conveniently.

Please refer to Figures 6 to 8 in conjunction. It is shown that the armrest body 30 includes two vertical rods 31 and two connecting rods 32, of which:

The two vertical rods 31 are arranged in parallel, and the lower ends can be inserted into the two sleeves 211 of the two fixing seats 20 on the same side. Two upper pivot pieces 310 and two lower pivot pieces 311 are respectively provided on the upper side and the center of the opposite inner sides of the two vertical rods 31, and the upper pivot piece 310 and the lower pivot piece 311 of each vertical rod 31 are formed They are arranged in parallel and staggered by a distance, and pivot grooves are respectively formed in them.

The two connecting rods 32 are respectively arranged between the corresponding upper pivot piece 310 and the lower pivot piece 311 of the two vertical rods 31. Both ends of the two connecting rods 32 have two end pieces 320 respectively, and the upper part The two end pieces 320 of the connecting rod 32 are respectively inserted into the two pivot grooves of the two upper pivot pieces 310, and then the two upper end pieces 320 of the connecting rod 32 and the two upper pivot pieces are respectively connected by two shaft bolts 321. 310 pivoted. The two end pieces 320 of the lower connecting rod 32 are respectively inserted into the two pivot grooves of the two lower pivot pieces 311, and then two shaft bolts 321 are used to connect the lower end pieces 320 of the lower connecting rod 32 to the two lower pivots. The pivot piece 311 is pivotally connected.

In this way, the two connecting rods 32 can swing between the two vertical rods 31, so that the two vertical rods 31 are relatively close together, and the upper pivot piece 310 and the lower pivot piece 311 are parallel and offset by a distance. The design of the installation is such that after the armrest body 30 is folded, the two connecting rods 32 are folded side by side between the two vertical rods 31, so that the folded volume can be greatly reduced, and it can also be transported, It is more convenient and does not take up space during transportation and storage.

The handrail provided by this creation and the scaffolding staircase with the handrail can be installed on both sides of the stair main body 1 by installing the two handrails 2 respectively, so that the construction staff can be more effective when walking on the stair main body 1. safety. Moreover, by fixing the two fixing bases 20 on the supporting rod 10 on the side of the stair main body 1, and then inserting the two upright rods 31 of the handrail body 30 into the two sleeves of the two fixing bases 20 In 211, the installation on one side is completed, so the installation is very simple, fast and convenient. In particular, the buckle 22 uses a fixing nut 224 to connect it to the stud 212 of the fixing seat 20 so that the buckle 22 can be rotated and positioned on the rear side of the fixing seat 20 to conform to The angle of the support rod 10 can be applied to the stair body 1 of various slopes. In particular, the upper pivot piece 310 and the lower pivot piece 311 can be arranged in parallel and staggered by a distance, so that after the armrest body 30 is folded, the two connecting rods 32 are folded side by side on the two vertical rods. 31, so that it can greatly reduce the volume after folding, so that it can be more convenient and less space for handling, transportation and storage.

To sum up, because this creation has the above-mentioned advantages and practical value, and in the same No similar products have been published in this category of products, so they have met the requirements for new-type patent applications, and the application is filed in accordance with the law.

1: Stair body

10: Support rod

11: Pedal

2: armrest

20: fixed seat

21: Seat

22: Buckle

30: Armrest body

31: Pole

32: connecting rod

Claims (5)

An armrest comprising: two fixing seats for detachably combining on a rod body at intervals, each fixing seat includes a seat body and a buckle, the front side of the seat body has an open top and a closed bottom At least one set of pipes, the buckle is rotatably positioned on the back side of the seat body and can be clamped on the rod; and an armrest body includes two uprights and parallelly connected to the two uprights Two connecting rods between the rods, the two vertical rods are arranged in parallel and upright, and the lower end can be inserted into the two sleeves of the two bases, and the two ends of the two connecting rods are swingably connected to the two vertical rods , It can be folded so that the two vertical rods are relatively close together, and the two connecting rods are folded between the two vertical rods in a side-by-side state. The handrail according to claim 1, wherein the seat body includes a fixing piece and a stud, the sleeve is coupled to the front side of the fixing piece, the stud is vertically coupled to the rear side of the fixing piece, and the buckle is used A fixed nut connects the screw to the stud. The armrest according to claim 2, wherein the buckle includes a fixed half ring, a movable half ring, a lock rod and a lock nut, the fixed half ring is for the stud to pass through, and The fixed nut is used to lock the screw on the stud, one end of the movable half ring is swingably coupled to one end of the fixed half ring, and the other end has a convex part, the movable half ring can fit the fixed half ring Clipped on the rod body, the convex portion has an open slot, the lock rod is swingably combined with the other end of the fixed half ring, and can be inserted into the slot, in the The lock rod has a threaded section, the lock nut is screwed on the threaded section of the lock rod, and can be screw-locked on the outside of the convex portion so that the fixed half ring and the movable half ring are aligned Clamp it against each other. The armrest according to claim 1, wherein the upper side and the center of the inner sides of the two uprights are respectively provided with two upper pivot pieces and two lower pivot pieces, and the upper and lower pivot pieces of each upright The pivot pieces are arranged in parallel and staggered by a distance, and pivot grooves are formed in them. Both ends of the two connecting rods have two ends respectively, and the two upper ends of the connecting rod are respectively inserted into the two upper pivots. In the two pivot grooves of the plate, two shaft bolts are used to pivotally connect the upper end pieces of the connecting rod with the two upper pivot pieces, and the lower end pieces of the connecting rod are respectively inserted into the two lower pivot pieces. In the two pivot grooves, two shaft bolts are respectively used to pivotally connect the two end pieces of the lower connecting rod with the two lower pivot pieces. A scaffold staircase with the handrail described in any one of claims 1 to 4, which includes: A stair body includes two support rods arranged in parallel and a plurality of pedals spaced between the two support rods; and Two handrails are connected to the two support rods on both sides of the stair body. The two fixing seats of the handrail on one side are connected to the support rod on one side at intervals by using its own fasteners. The lower ends of the two vertical rods of the armrest body of the armrest are inserted into the two sleeves of the two fixing seats on that side, and the two fixing seats of the armrest on the other side are connected to the other at intervals by their own fasteners. The lower end of the armrest body of the armrest on the other side is inserted on the two sleeves of the two fixing seats on the side.

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