Portable multiple anti-falling device suitable for outdoor hole

Abstract

The utility model discloses a portable multiple anti-falling device suitable for an outdoor hole. The portable multiple anti-falling device comprises a folding arm, a bottom connecting disc, a hanging ring, a hook and a protective net. According to the portable multi-anti-falling device suitable for the outdoor hole, multiple sets of anti-falling mechanisms are arranged at equal intervals, the anti-falling mechanisms are installed in the hole, hanging rings are fixedly connected to the positions, corresponding to the anti-falling mechanisms, of the inner wall of the hole in the circumferential direction, each anti-falling mechanism comprises a bottom connecting disc, and a hinge groove is formed in the extension circle of each bottom connecting disc; a plurality of hinge grooves are formed in the hole, folding arms matched with the hinge grooves are hinged into the hinge grooves, hooks are fixedly connected to the ends of the folding arms, the hooks correspond to the hanging rings and are matched with the hanging rings, a protective net is fixedly connected to the folding arms jointly, the folding arms are hung on the hanging rings through the hooks, the protective net is further supported through the folding arms, and therefore the multiple anti-falling protection effect is achieved in the hole. The anti-falling mechanism can be installed when the cover plate of the hole is opened, the temporary protection effect is achieved, and personnel are prevented from falling off.

Description

Technical Field

[0001] The utility model relates to the technical field of hole protection, in particular to a convenient multiple fall prevention device suitable for outdoor holes. Background Art

[0002] There are many outdoor holes, such as rainwater wells, sewage wells, etc., which are all outdoor holes. Covers are set on the holes for protection. However, in daily life, in some cases, there is a problem of people falling when the covers are opened. Therefore, a convenient multi-fall protection device suitable for outdoor holes is proposed to solve the above situation. Utility Model Content

[0003] The purpose of the present utility model is to provide a convenient multi-fall prevention device suitable for outdoor holes to solve the problems raised in the above background technology.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] A convenient multi-anti-fall device suitable for outdoor holes includes an anti-fall mechanism. A plurality of anti-fall mechanisms are arranged at equal distances. The anti-fall mechanism is installed in the hole. The inner wall of the hole is circumferentially fixedly connected with a hanging ring corresponding to each anti-fall mechanism. The anti-fall mechanism includes a bottom connecting plate. The outer circle of the bottom connecting plate is provided with a hinge groove. Folding arms adapted thereto are hinged in the hinge groove. Hooks are fixedly connected to the ends of the folding arms. The hooks correspond to and adapt to the hanging rings. A protective net is fixedly connected to the folding arms.

[0006] As a further solution of the present invention: expansion bolts are embedded and fixed at the corresponding hanging rings on the inner wall of the hole, the hanging rings are fixed to the expansion bolts by locking nuts, and a circular hole is opened on the hanging ring for the threaded head of the expansion bolt to pass through.

[0007] As a further solution of the present invention: a threaded rod is provided above the bottom connecting plate, the threaded rod is inserted into the bottom connecting plate and threadedly connected to the bottom connecting plate, a threaded hole for the threaded rod to be inserted and threadedly connected is opened on the bottom connecting plate, and a turning handle is fixedly connected to the top of the threaded rod.

[0008] As a further solution of the present invention: the threaded rod is provided with a movable sleeve adapted thereto, and the upper and lower ends of the movable sleeve are provided with retaining springs, which are clamped in the slots on the threaded rod, and the movable sleeve is hinged with a pull rod corresponding to the folding arm, and one end of the pull rod is hinged to the folding arm.

[0009] As a further solution of the present invention: the turning handle is provided with a notch corresponding to the folding arm, the notch is adapted to the folding arm, a rubber pad is fixedly connected in the notch, and the rubber pad is elastically squeezed on the outside of the folding arm.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] 1. The folding arm of the utility model is hung on the hanging ring through a hook, and the folding arm further supports the protective net, thereby forming a multiple anti-fall protection effect in the hole. The anti-fall mechanism can be installed when the cover of the hole is opened, which plays a temporary protection effect and prevents people from falling.

[0012] 2. The folding arm of the utility model is connected to the movable sleeve through a pull rod, and the movable sleeve is limited to the threaded rod by a retaining spring, so that the height of the movable sleeve can be controlled by the length of the threaded rod screwed into the bottom connecting plate, and then the expansion range of the folding arm can be controlled, thereby adapting to the protection of holes of different diameters.

[0013] 3. The utility model uses the notch on the rotating handle in conjunction with the rubber pad. When the folding arm is erected, the folding arm can be stuck into the rubber pad to form a squeezing and fixing effect, thereby folding the entire device and preventing the device from falling apart, making it easier to carry the device.

[0014] 4. The threaded rod of the utility model is only provided with one section, so that the folding arm can be unfolded conveniently and quickly, and then the threaded rod is screwed into the bottom connecting plate to adjust the unfolding range. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural diagram of a convenient multi-fall protection device suitable for outdoor holes.

[0016] Figure 2 This diagram shows the anti-fall mechanism in a convenient multi-fall protection device suitable for outdoor holes.

[0017] Figure 3 This is an enlarged view of A in a convenient multi-fall protection device suitable for outdoor holes.

[0018] Figure 4 The present invention provides a folding diagram of the anti-fall mechanism in a convenient multi-fall protection device suitable for outdoor holes.

[0019] In the figure: 1. Anti-fall mechanism; 2. Hole; 3. Hanging ring; 4. Bottom connecting plate; 5. Hinge slot; 6. Folding arm; 7. Hook; 8. Protective net; 9. Expansion bolt; 10. Threaded rod; 11. Turning handle; 12. Movable sleeve; 13. Retaining spring; 14. Slot; 15. Pull rod; 16. Notch; 17. Rubber pad. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figures 1 to 4 In the embodiment of the utility model, a portable multi-anti-fall device suitable for outdoor holes includes an anti-fall mechanism 1, and multiple groups of anti-fall mechanisms 1 are arranged at equal distances. The anti-fall mechanism 1 is installed in the hole 2. The inner wall of the hole 2 is circumferentially fixedly connected with a hanging ring 3 corresponding to each anti-fall mechanism 1. The anti-fall mechanism 1 includes a bottom connecting plate 4. The outer extension circle of the bottom connecting plate 4 is provided with a hinge groove 5. The hinge groove 5 is hinged with a folding arm 6 that is adapted thereto. The end of the folding arm 6 is fixedly connected with a hook 7. The hook 7 corresponds to and is adapted to the hanging ring 3. A protective net 8 is fixedly connected to the folding arm 6.

[0022] The folding arm 6 is hung on the hanging ring 3 through the hook 7, and the protective net 8 is further supported by the folding arm 6, thereby forming a multiple anti-fall protection effect in the hole 2. The anti-fall mechanism 1 can be installed when the cover of the hole is opened, which plays a temporary protection effect and prevents people from falling.

[0023] Expansion bolts 9 are embedded and fixed at the inner walls of the holes 2 corresponding to the hanging rings 3. The hanging rings 3 are fixed to the expansion bolts 9 by means of nuts. A circular hole is provided on the hanging rings 3 for the threaded heads of the expansion bolts 9 to pass through.

[0024] The hanging ring 3 is conveniently fixed on the inner wall of the hole 2 by means of expansion bolts to form a hanging foundation.

[0025] A threaded rod 10 is provided above the bottom connecting plate 4. The threaded rod 10 is inserted into the bottom connecting plate 4 and threadedly connected to the bottom connecting plate 4. A threaded hole for the threaded rod 10 to be inserted and threadedly connected is opened on the bottom connecting plate 4. The top end of the threaded rod 10 is fixedly connected to a turning handle 11.

[0026] A movable sleeve 12 is provided on the threaded rod 10 to match it. A retaining spring 13 is provided at the upper and lower ends of the movable sleeve 12. The retaining spring 13 is clamped in a slot 14 on the threaded rod 10. The movable sleeve 12 is hinged with a pull rod 15 corresponding to the folding arm 6, and one end of the pull rod 15 is hinged to the folding arm 6.

[0027] The handle 11 is provided with a notch 16 corresponding to the folding arm 6 . The notch 16 is adapted to the folding arm 6 . A rubber pad 17 is fixedly connected in the notch 16 . The rubber pad 17 is elastically squeezed on the outside of the folding arm 6 .

[0028] The folding arm 6 is connected to the movable sleeve 12 through a pull rod 15, and the movable sleeve 12 is limited on the threaded rod 10 by a retaining spring 13, so that the height of the movable sleeve 12 can be controlled by the length of the threaded rod 10 screwed into the bottom connecting plate 4, and then the expansion range of the folding arm 6 can be controlled, thereby adapting to the protection of holes 2 of different diameters.

[0029] Through the notch 16 on the handle 11 and the rubber pad 17, the folding arm 6 can be stuck into the rubber pad 17 when the folding arm 6 is erected, forming a squeezing and fixing effect, so that the entire device can be folded and prevented from falling apart, making it easier to carry the device.

[0030] The threaded rod 10 is provided with only one section, so that the folding arm 6 can be unfolded conveniently and quickly, and then the threaded rod 10 is screwed into the bottom connecting plate 4 to adjust the unfolding range.

[0031] The working principle of this utility model is:

[0032] When in use, the multi-layer hanging ring 3 is fixed in the hole 2 in advance by the expansion bolt 9. When in use, take the anti-fall mechanism 1 and pull the folding arm 6 out of the rubber pad 17 in the notch 16. At this time, the threaded rod 10 and the bottom connecting plate 4 are quickly approached, and the threaded rod 10 is screwed into the threaded hole on the bottom connecting plate 4 through the turning handle 11, so that the folding arm 6 is quickly unfolded. The turning handle 11 is further rotated to control the length of the threaded rod 10 screwed into the bottom connecting plate 4, thereby controlling the unfolding range of the folding arm 6. At this time, the folding arm 6 is hooked on the hanging ring 3 through the hook 7, so that the anti-fall mechanism 1 is installed. Multiple anti-fall mechanisms 1 can be installed in the hole 2 to form multiple protections.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A portable multi-function fall prevention device suitable for outdoor holes, comprising a fall prevention mechanism (1), characterized in that: The anti-falling mechanism (1) is provided with multiple groups at equal intervals. The anti-falling mechanism (1) is installed in a hole (2). The inner wall of the hole (2) is circumferentially fixedly connected with a hanging ring (3) corresponding to each anti-falling mechanism (1). The anti-falling mechanism (1) includes a bottom connecting plate (4). The outer extension circle of the bottom connecting plate (4) is provided with a hinge groove (5). The hinge groove (5) is hinged with a folding arm (6) adapted thereto. The end of the folding arm (6) is fixedly connected with a hook (7). The hook (7) corresponds to and is adapted to the hanging ring (3). A protective net (8) is fixedly connected to the folding arm (6).

2. A portable multi-function fall prevention device suitable for outdoor holes according to claim 1, characterized in that: Expansion bolts (9) are embedded and fixed at the inner walls of the holes (2) corresponding to the hanging rings (3), and the hanging rings (3) are fixed to the expansion bolts (9) by means of nuts.

3. The portable multi-function fall prevention device suitable for outdoor holes according to claim 1, characterized in that: A threaded rod (10) is provided above the bottom connecting plate (4). The threaded rod (10) is inserted into the bottom connecting plate (4) and is threadedly connected to the bottom connecting plate (4). A rotating handle (11) is fixedly connected to the top end of the threaded rod (10).

4. A portable multi-function fall prevention device suitable for outdoor holes according to claim 3, characterized in that: The threaded rod (10) is provided with a movable sleeve (12) adapted thereto, and the upper and lower ends of the movable sleeve (12) are provided with a retaining spring (13), which is engaged in a retaining groove (14) on the threaded rod (10), and the movable sleeve (12) is hingedly connected to the corresponding folding arm (6) with a pull rod (15), and one end of the pull rod (15) is hingedly connected to the folding arm (6).

5. The portable multi-function fall prevention device suitable for outdoor holes according to claim 3, characterized in that: The rotating handle (11) is provided with a notch (16) corresponding to the folding arm (6), the notch (16) is adapted to the folding arm (6), a rubber pad (17) is fixedly connected in the notch (16), and the rubber pad (17) is elastically pressed on the outside of the folding arm (6).

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