Adjustable building hole protection device

Abstract

The utility model discloses an adjustable building hole protection device which comprises a fixing rod, the inner side of the fixing rod is rotationally connected with a bidirectional threaded shaft with threads on the two sides opposite in direction, the outer side of the bidirectional threaded shaft is spirally connected with a sliding block, the sliding block is in sliding connection with the fixing rod, and the outer side of the sliding block is rotationally connected with a rotating rod through a rotating shaft. The other end of the rotating rod is rotationally connected with a positioning rod through a rotating shaft, the inner side of the positioning rod is rotationally connected with a fixing shaft, the outer side of the fixing shaft is fixedly connected with a protective net penetrating through the positioning rod, and the protective net makes contact with the positioning rod. When a building elevator shaft opening is protected through the device, the protective net with the specified length is controlled to be pulled out of the outer side of the fixing shaft according to the size of the elevator shaft opening, the size of the device can be conveniently adjusted according to the size of the elevator shaft opening, and therefore the device is more flexible and convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to building hole protection technical field, especially adjustable building hole protection device. BACKGROUND

[0002] There are many holes in the building construction process, such as elevator shaft, these holes are vertical dangerous area, if there is no protective measures, personnel in the construction site moves, carries materials and easily accidentally falls into the hole, causes serious falling injury accident, in order to avoid the occurrence of above-mentioned accidents, in the prior art, usually through bolt in the elevator shaft fixed protection net and carries out protection, because the protection net usually used in the prior art is fixed size, the fixed size protection net can only carry out protection to the corresponding size elevator shaft, it is inconvenient to adjust the size of protection net according to the size of elevator shaft, so as to lead to the flexibility of protection net when using is poor, and because the protection net is usually fixed in the elevator shaft through bolt, so still makes the installation of protection net not enough convenient, and still can cause damage to the building body, therefore, aiming at above-mentioned problem, adjustable building hole protection device is proposed. SUMMARY

[0003] The utility model solves the technical problems of overcoming the defects of the prior art and effectively solving the problems in the background art.

[0004] To achieve the above object, the technical scheme adopted by the utility model is as follows:

[0005] Adjustable building hole protection device, including fixed link, the fixed link inside rotation is connected with two opposite screw direction two-way screw shaft, the two-way screw shaft outside screw is connected with sliding block, and sliding block and fixed link slidingly connect, the sliding block outside is connected with rotating link through the pivot, the other end of rotating link is connected with positioning rod through the pivot, the positioning rod inside rotation is connected with fixed shaft, the fixed shaft outside is fixedly connected with the protection net that passes through positioning rod, and the protection net is in contact with positioning rod, the other end of protection net is fixedly connected with fixed link.

[0006] As a further improvement of the utility model, the two-way screw shaft outside center is fixedly connected with worm gear, the worm gear outside is engagedly connected with the worm that passes through fixed link, and the worm is rotatably connected with fixed link.

[0007] As a further improvement of the utility model, the positioning rod inside upper and lower ends are fixedly connected with clockwork spring, and the other end of clockwork spring is fixedly connected with fixed shaft.

[0008] As a further improvement of the utility model, the fixed shaft outside top end is fixedly connected with a gear, one side of the gear is equipped with a rack, the rack outside is fixedly connected with a fixed block in contact with the positioning rod, the fixed block inside is spirally connected with a fixed threaded shaft penetrating through the fixed block and the positioning rod, and the fixed threaded shaft is rotationally connected with the positioning rod.

[0009] As a further improvement of the utility model, the positioning rod front end is rotationally connected with a positioning threaded shaft penetrating through the positioning rod, the positioning threaded shaft outside is spirally connected with a clamping plate in sliding connection with the positioning rod, and the clamping plate outside is equipped with uniformly distributed protrusions.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] 1. The adjustable building hole protection device is provided with a bidirectional threaded shaft, a rotating rod, a positioning rod, a protective net, a fixed shaft, a gear and a rack, when the device is used to protect the building elevator shaft, the worm is rotated to engage the worm gear, further driving the bidirectional threaded shafts with opposite threaded directions to be spirally connected with the sliding blocks, the rotating rods on both sides will make the positioning rods on both sides move away from each other in the rotating process, the protective net will continuously rotate out of the fixed shaft, when the overall size of the device matches the size of the elevator shaft, the worm is stopped, then the fixed threaded shaft is rotated to be spirally connected with the fixed block, further making the fixed block drive the rack to engage with the gear, so that the protective net cannot be pulled out of the fixed shaft, the protective net with a specified length is pulled out of the fixed shaft according to the size of the elevator shaft, the size of the device is adjusted according to the size of the elevator shaft, so that the device is more flexible and convenient to use.

[0012] 2. The adjustable building hole protection device is provided with a bidirectional threaded shaft, a rotating rod, a positioning rod, a positioning threaded shaft and a clamping plate, when the device is used to protect the building elevator shaft, the worm is rotated to engage the worm gear, further driving the bidirectional threaded shafts with opposite threaded directions to be spirally connected with the sliding blocks, the rotating rods on both sides will control the positioning rods on both sides to move away from each other in the rotating process, when the positioning rods are clamped on the outside of the walls on both sides of the elevator shaft in cooperation with the clamping plates, the positioning threaded shaft is rotated to be spirally connected with the clamping plate, further controlling the clamping plate to drive the protrusions on the outside to be in close contact with the walls, the device is conveniently installed at the elevator shaft, the operation is simple and convenient, and the building body will not be seriously damaged. BRIEF DESCRIPTION OF DRAWINGS

[0013] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, together with the embodiments of the utility model, to explain the utility model, and do not constitute a limitation on the utility model.

[0014] Figure 1The utility model discloses adjustable building hole protection device's whole structure schematic diagram.

[0015] Figure 2 The utility model discloses adjustable building hole protection device's cross section structure schematic diagram.

[0016] Figure 3 The utility model discloses adjustable building hole protection device's overhead cross section structure schematic diagram.

[0017] Figure 4 The utility model discloses adjustable building hole protection device left side positioning rod's right view cross section structure schematic diagram.

[0018] Figure 5 The utility model discloses adjustable building hole protection device left side positioning rod's overhead cross section structure schematic diagram.

[0019] In the drawing: 1, fixed rod, 2, two-way threaded shaft, 3, sliding block, 4, worm wheel, 5, worm, 6, rotating rod, 7, positioning rod, 8, fixed shaft, 9, protective net, 10, clock spring, 11, gear, 12, rack, 13, fixed block, 14, fixed threaded shaft, 15, positioning threaded shaft, 16, clamping plate. Specific embodiments

[0020] The utility model makes further explanation to the utility model in combination with specific implementation, wherein, the drawing is only used for example explanation, and the representation is only schematic diagram, and not the real object drawing, can not be understood as the limitation of this patent, in order to better explain the specific implementation of the utility model, the drawing some components will have the omission, the enlargement or the reduction, and does not represent the size of actual product, for the technical personnel of the prior art, some well-known structure and its explanation in the drawing can be omitted, and all other specific implementations obtained by the ordinary skill in the art without making creative labor based on the specific implementation in the utility model, belong to the range of protection of the utility model.

[0021] Example 1

[0022] As Figures 1-5 Shown, adjustable building hole protection device, including fixed rod 1, the fixed rod 1 inside rotationally connected with two-way threaded shaft 2 of opposite threaded direction, the two-way threaded shaft 2 outside screw connection has sliding block 3, and sliding block 3 and fixed rod 1 slidingly connected, the sliding block 3 outside rotationally connected with rotating rod 6 through the pivot, the rotating rod 6 another end rotationally connected with positioning rod 7 through the pivot, the positioning rod 7 inside rotationally connected with fixed shaft 8, the fixed shaft 8 outside fixedly connected with the protective net 9 of through positioning rod 7, and the protective net 9 and positioning rod 7 contact, the other end of the protective net 9 and fixed rod 1 fixedly connected.

[0023] Example 2

[0024] like Figures 1-3 As shown, in order to solve the problem of inconvenience in adjusting the size of the device, a worm gear 4 is fixedly connected to the center of the outer side of the bidirectional threaded shaft 2. A worm 5 that passes through the fixed rod 1 is meshed with the outer side of the worm gear 4, and the worm 5 is rotatably connected to the fixed rod 1. By rotating the worm 5 to mesh with the worm gear 4, the bidirectional threaded shaft 2 with opposite thread directions on both sides is further controlled to be helically connected to the slider 3, which facilitates the size adjustment of the device.

[0025] Example 3

[0026] like Figure 4 As shown, in order to solve the problem that it is inconvenient to roll up the protective net 9 outside the fixed shaft 8 when adjusting the size of the device, the upper and lower ends of the inner side of the positioning rod 7 are fixedly connected with springs 10, and the other end of the springs 10 is fixedly connected to the fixed shaft 8. When adjusting the size of the device, the spring force of the springs 10 restores control of the fixed shaft 8 to reverse, which makes it convenient to roll up the protective net 9 outside the fixed shaft 8.

[0027] Example 4

[0028] like Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, in order to solve the problem of poor stability of the protective net 9 after it is pulled out to a specified length, a gear 11 is fixedly connected to the top of the outer side of the fixed shaft 8. A rack 12 is provided on one side of the gear 11. A fixed block 13 that contacts the positioning rod 7 is fixedly connected to the outer side of the rack 12. A fixed threaded shaft 14 that passes through the fixed block 13 and the positioning rod 7 is spirally connected to the inner side of the fixed block 13. The fixed threaded shaft 14 is rotatably connected to the positioning rod 7. After the protective net 9 is pulled out to a specified length, by rotating the fixed threaded shaft 14 and the fixed block 13, the rack 12 is further driven to mesh with the gear 11, so that the fixed shaft 8 can no longer rotate, thus making the stability of the protective net 9 better after it is pulled out to a specified length from the outside of the fixed shaft 8.

[0029] Example 5

[0030] like Figure 1 , Figure 2 , Figure 3 and Figure 5As shown, in order to solve the problem of not being convenient to position the device, the positioning rod 7 is rotatably connected with a positioning threaded shaft 15 penetrating the positioning rod 7, the positioning threaded shaft 15 is screw-connected with a clamping plate 16 which is slidingly connected with the positioning rod 7, and the clamping plate 16 is provided with uniformly distributed protrusions on the outer side, after adjusting the size of the device to make the positioning rod 7 cooperate with the clamping plate 16 to be clamped on the outer side of the wall on both sides of the elevator shaft, the clamping plate 16 is screw-connected with the positioning threaded shaft 15 by rotating the positioning threaded shaft 15, so as to further control the outer protrusions of the clamping plate 16 to be in close contact with the wall, thereby facilitating the positioning of the device.

[0031] In the embodiment, when the device is used to protect the elevator shaft, the worm 5 is first rotated to engage the worm gear 4 according to the size of the elevator shaft, so as to further screw-connect the bidirectional threaded shaft 2 with opposite threaded directions with the sliding block 3, at this time, the two sliding blocks 3 are away from each other, the two rotating rods 6 make the two positioning rods 7 away from each other in the rotating process, the protective net 9 is continuously turned out from the outer side of the fixed shaft 8, and the clock spring 10 is continuously contracted, when the positioning rod 7 cooperates with the clamping plate 16 to be clamped on the outer side of the wall on both sides of the elevator shaft, so that the size of the device as a whole matches the size of the elevator shaft, the worm 5 is stopped, then the fixed threaded shaft 14 is screw-connected with the fixed block 13, so as to further make the fixed block 13 drive the rack 12 to engage with the gear 11, so that the protective net 9 cannot be continuously pulled out from the outer side of the fixed shaft 8, and the above operation is completed, the clamping plate 16 is screw-connected with the positioning threaded shaft 15 by rotating the positioning threaded shaft 15, so as to further control the outer protrusions of the clamping plate 16 to be in close contact with the wall, so that the device can be installed at the elevator shaft for protection.

[0032] The above is the preferred embodiment of the present application, the basic principle and main features of the present application and the advantages of the present application are shown and described, those skilled in the art should understand that the present application is not limited by the above embodiments, the above embodiments and the description in the specification are only to illustrate the principle of the present application, without departing from the spirit and scope of the present application, the present application will have various changes and improvements, these changes and improvements all fall within the scope of the claimed present application, the scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. Adjustable construction opening protection device comprising a fixed bar (1), characterized in that: The fixed rod (1) is rotatably connected with two-way threaded shafts (2) with opposite screw directions on the inner side, the two-way threaded shafts (2) are screw-connected with sliding blocks (3) on the outer side, the sliding blocks (3) are slidingly connected with the fixed rod (1), the sliding blocks (3) are rotatably connected with rotating rods (6) through pivots on the outer side, the rotating rods (6) are rotatably connected with positioning rods (7) through pivots on the other end, the positioning rods (7) are rotatably connected with fixed shafts (8) on the inner side, the fixed shafts (8) are fixedly connected with protective nets (9) penetrating through the positioning rods (7) on the outer side, and the protective nets (9) are in contact with the positioning rods (7), the other end of the protective nets (9) is fixedly connected with the fixed rod (1).

2. The adjustable architectural opening guard of claim 1, wherein: The two-way threaded shafts (2) are fixedly connected with worm gears (4) on the outer side of the center, the worm gears (4) are meshingly connected with worm shafts (5) penetrating through the fixed rod (1) on the outer side, and the worm shafts (5) are rotatably connected with the fixed rod (1).

3. The adjustable architectural opening guard of claim 1, wherein: The positioning rods (7) are fixedly connected with clockwork springs (10) on the inner side of the upper and lower ends, and the other end of the clockwork springs (10) is fixedly connected with the fixed shafts (8).

4. The adjustable architectural opening guard of claim 1, wherein: The fixed shafts (8) are fixedly connected with gear wheels (11) on the outer side of the top end, the gear wheels (11) are provided with racks (12) on one side, the racks (12) are fixedly connected with fixed blocks (13) in contact with the positioning rods (7) on the outer side, the fixed blocks (13) are screw-connected with fixed threaded shafts (14) penetrating through the fixed blocks (13) and the positioning rods (7) on the inner side, and the fixed threaded shafts (14) are rotatably connected with the positioning rods (7).

5. The adjustable architectural opening guard of claim 1, wherein: The positioning rods (7) are rotatably connected with positioning threaded shafts (15) penetrating through the positioning rods (7) on the front end, the positioning threaded shafts (15) are screw-connected with clamping plates (16) slidingly connected with the positioning rods (7) on the outer side, and the clamping plates (16) are provided with uniformly distributed protrusions on the outer side.

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