Safety protection device for elevator detection

Abstract

The utility model discloses a safety protection device for elevator detection. The safety protection device comprises a central rotating shaft and a fastening unit, the outer arc surface of the central rotating shaft is rotatably connected with two connecting rods, the two connecting rods are distributed in a crossed manner, the lower ends of the connecting rods are rotatably connected with rectangular pipes through rotating shafts, the two rectangular pipes are distributed in parallel, the upper ends of the connecting rods are rotatably connected with symmetrically distributed rollers through connecting shafts, and the rollers are slidably connected with the vertically corresponding rectangular pipes; the fastening unit comprises a connecting seat, a supporting seat, an inserting column and a screw rod, the connecting seat is rotationally connected to the lower end of the connecting rod on the front side through a circular shaft, and the supporting seat is slidably connected to the upper end of the connecting seat. And meanwhile, the elevator detection device can be contracted, so that the elevator detection device is convenient to carry and good in use convenience.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator detection, in particular to a safety protection device for elevator detection. Background Art

[0002] With the progress of society, elevators have been widely used in various fields. Whether it is an office building, a residential building or a commercial center, elevators are indispensable. Therefore, the operation status of the elevator directly affects people's life and work. Therefore, the elevator needs to be inspected regularly. During the inspection process, a safety protection device will be used to protect the elevator door opening to prevent unauthorized entry. The existing safety protection device generally consists of a support frame and a warning sign. The support frame provides support for the warning sign, and then is placed at the elevator door opening to prevent unauthorized entry. If it is only placed on the ground, it will be pushed away by children or other unauthorized persons, thereby losing the protective effect. In addition, the support frame is generally large in size, difficult to carry, and has a poor use effect. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a safety protection device for elevator detection. The safety protection device can be stretched to the elevator door opening and has a good fixing effect, which improves the safety during elevator detection. At the same time, it can be retracted by itself, which is easy to carry and use, and can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a safety protection device for elevator detection, comprising a central rotating shaft and a fastening unit;

[0005] Central rotating shaft: Its outer arc surface is rotatably connected to two connecting rods, the two connecting rods are cross-distributed, the lower ends of the connecting rods are rotatably connected to rectangular tubes through the rotating shafts, the two rectangular tubes are parallelly distributed, the upper ends of the connecting rods are rotatably connected to symmetrically distributed rollers through the connecting shafts, and the rollers are slidably connected to the vertically corresponding rectangular tubes;

[0006] Fastening unit: It includes a connecting seat, a supporting seat, a column and a screw. The connecting seat is rotatably connected to the lower end of the connecting rod on the front side through a circular axis, the upper end of the connecting seat is slidably connected to the supporting seat, the upper end of the supporting seat is slidably connected to the column, the rear end of the column is movably plugged into the upper end of the connecting rod on the rear side, the front end of the connecting seat is rotatably connected to the screw through a bearing, the upper end of the screw is threadedly connected to the lower end of the supporting seat, the safety protection device can be tightened to the elevator door opening, the two connecting rods are cross-distributed to block the elevator door opening, it has a good fixing effect, which improves the safety of the elevator during inspection, and it can be retracted at the same time, which is easy to carry and convenient to use.

[0007] Furthermore, the fastening unit also includes a hexagonal column, which is arranged at the lower end of the screw rod to facilitate the control of the rotation of the screw rod.

[0008] Furthermore, a door-shaped seat is provided at the upper end of the front side surface of the support seat, a retaining ring is provided in the middle of the outer arc surface of the plug column, a spring is movably sleeved in the middle of the outer arc surface of the plug column, the spring is located between the retaining ring and the rear side wall of the door-shaped seat, and the retaining ring is located on the front side of the support seat to facilitate the positioning of the plug column.

[0009] Furthermore, it also includes a socket plate, which is arranged in the middle of the right side of the left rectangular tube. The socket plate is arranged in coordination with the plug column to facilitate its positioning after being folded.

[0010] Furthermore, the front side surfaces of the rectangular tubes are each provided with a positioning plate, the left positioning plate extending out of the left side surface of the left rectangular tube, and the right positioning plate extending out of the right side surface of the right rectangular tube, to prevent the rectangular tube from scratching the elevator door opening.

[0011] Furthermore, it also includes rubber pads, which are respectively arranged on the left side surface of the left positioning plate and the right side surface of the right positioning plate to facilitate the positioning of the rectangular tube.

[0012] Furthermore, it also includes a connecting rope, which is arranged at the upper end between the two rectangular tubes, and a warning sign is provided in the middle of the connecting rope to provide a warning.

[0013] Compared with the prior art, the beneficial effects of the utility model are: the safety protection device for elevator detection has the following advantages:

[0014] 1. During elevator inspection, the two connecting rods are unfolded, the positions of the two rectangular tubes and the elevator door opening are corresponding, the plug column is movably plugged into the upper end of the connecting rod at the rear side, and the sleeve and the hexagonal column are used to rotate the screw. The screw drives the support seat to slide downward along the connecting seat, and the support seat drives the plug column to move downward to pull the left end of the connecting rod at the rear side downward, and the roller at the upper end of the connecting rod slides relative to the inner wall of the rectangular tube, and the rotating shaft at the lower end of the connecting rod rotates relative to the rectangular tube, and the connecting rod rotates relative to the center rotating shaft. The horizontal angle of the two connecting rods becomes smaller to open the two rectangular tubes, and the rectangular tube contacts the side wall of the elevator door opening through the rubber pad, and the rear side of the positioning plate contacts the front side of the elevator door opening. During elevator inspection, the safety protection device can be tightened to the elevator door opening, and the two connecting rods are cross-distributed to block the elevator door opening. The warning sign warns irrelevant personnel and has a good fixing effect to avoid the removal of irrelevant personnel and avoid accidental entry, thereby improving the safety of elevator inspection.

[0015] 2. After the inspection is completed, loosen the screw and then pull the column forward. The column squeezes the spring through the retaining ring, and then the rear end of the column is separated from the connecting rod on the rear side. Then the two connecting rods can be folded together, and the distance between the two rectangular tubes will become closer. Then the column and the position of the socket on the jack plate are matched, and then the column is loosened. The spring pushes the retaining ring and the column backward under the action of the door-shaped seat, and the column is plugged into the jack plate, thereby limiting the rotation of the front connecting rod. After use, the two connecting rods can be folded and locked, which can reduce its own volume for easy carrying and good convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a schematic cross-sectional structure diagram of the connecting rod of the utility model.

[0018] In the figure: 1 central shaft, 2 connecting rod, 3 rectangular tube, 4 roller, 5 fastening unit, 51 connecting seat, 52 supporting seat, 53 plug column, 54 screw, 55 hexagonal column, 6 door-type seat, 7 spring, 8 retaining ring, 9 positioning plate, 10 rubber pad, 11 connecting rope, 12 warning sign, 13 socket plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-2 ,This embodiment provides a technical solution: a safety protection device for elevator detection, comprising a central rotating shaft 1 and a fastening unit 5;

[0021] Central rotating shaft 1: its outer arc surface is rotatably connected to two connecting rods 2, the two connecting rods 2 are cross-distributed, the lower ends of the connecting rods 2 are rotatably connected to rectangular tubes 3 through the rotating shafts, the two rectangular tubes 3 are parallelly distributed, the two connecting rods 2 are unfolded, the two rectangular tubes 3 correspond to the positions of the elevator door openings, the upper ends of the connecting rods 2 are rotatably connected to symmetrically distributed rollers 4 through the connecting shafts, the rollers 4 are slidably connected to the vertically corresponding rectangular tubes 3, the rollers 4 at the upper ends of the connecting rods 2 slide relative to the inner side walls of the rectangular tubes 3, the rotating shaft at the lower end of the connecting rod 2 rotates relative to the rectangular tube 3, the connecting rod 2 rotates relative to the central rotating shaft 1, the lateral angle between the two connecting rods 2 becomes smaller to open the two rectangular tubes 3, the front sides of the rectangular tubes 3 are provided with positioning plates 9, the left side The positioning plate 9 extends out of the left side surface of the rectangular tube 3 on the left, and the positioning plate 9 on the right extends out of the right side surface of the rectangular tube 3 on the right, and also includes a rubber pad 10, which is respectively arranged on the left side surface of the positioning plate 9 on the left and the right side surface of the positioning plate 9 on the right, and the rectangular tube 3 contacts the side wall of the elevator door opening through the rubber pad 10, and the rear side surface of the positioning plate 9 contacts the front side surface of the elevator door opening, so that the safety protection device is tightened to the elevator door opening to complete the fixation, and also includes a connecting rope 11, which is arranged at the upper end between the two rectangular tubes 3, and a warning sign 12 is arranged in the middle of the connecting rope 11, and the connecting rope 11 provides an installation position for the warning sign 12, and the warning sign 12 warns irrelevant personnel to prevent irrelevant personnel from entering by mistake;

[0022] The fastening unit 5 includes a connecting seat 51, a supporting seat 52, a plug post 53 and a screw 54. The connecting seat 51 is rotatably connected to the lower end of the front connecting rod 2 through a circular shaft. The upper end of the connecting seat 51 is slidably connected to the supporting seat 52. The upper end of the supporting seat 52 is slidably connected to the plug post 53. The rear end of the plug post 53 is movably plugged with the upper end of the rear connecting rod 2. The front end of the connecting seat 51 is rotatably connected to the screw 54 through a bearing. The upper end of the screw 54 is connected to the supporting seat 5 2 is threadedly connected, the fastening unit 5 also includes a hexagonal column 55, the hexagonal column 55 is arranged at the lower end of the screw rod 54, the plug column 53 is movably plugged with the upper end of the rear connecting rod 2, the sleeve and the hexagonal column 55 are used to rotate the screw rod 54, the screw 54 drives the support seat 52 to slide downward along the connecting seat 51, the support seat 52 drives the plug column 53 to move downward to pull the left end of the rear connecting rod 2 downward, the upper end of the front side of the support seat 52 is provided with a door-shaped seat 6, the plug column 53 is externally The middle part of the arc surface is provided with a retaining ring 8, and the middle part of the outer arc surface of the plug column 53 is movably sleeved with a spring 7, which is located between the retaining ring 8 and the rear side wall of the door-shaped seat 6, and the retaining ring 8 is located on the front side of the support seat 52. Loosen the screw 54, and then pull the plug column 53 forward, the plug column 53 squeezes the spring 7 through the retaining ring 8, and then the rear end of the plug column 53 is separated from the connecting rod 2 on the rear side, and then the two connecting rods 2 can be folded, and the distance between the two rectangular tubes 3 will become closer. It also includes a jack plate 13, which is arranged in the middle of the right side surface of the rectangular tube 3 on the left side. The jack plate 13 is coordinated with the plug column 53, and the position of the plug column 53 and the jack of the jack plate 13 are corresponded, and then the plug column 53 is loosened. The spring 7 pushes the retaining ring 8 and the plug column 53 to move backward under the action of the door-shaped seat 6, and the plug column 53 is plugged into the jack plate 13, thereby limiting the rotation of the front connecting rod 2, and the two rectangular tubes 3 will be in a folded state, reducing their own volume for easy carrying.

[0023] The working principle of a safety protection device for elevator detection provided by the utility model is as follows: during elevator detection, the two connecting rods 2 are unfolded, the two rectangular tubes 3 correspond to the positions of the elevator door opening, the plug column 53 is movably plugged into the upper end of the connecting rod 2 on the rear side, and the sleeve and the hexagonal column 55 are used to rotate the screw 54, the screw 54 drives the support seat 52 to slide downward along the connecting seat 51, and the support seat 52 drives the plug column 53 to move downward to pull the left end of the connecting rod 2 on the rear side downward, the roller 4 at the upper end of the connecting rod 2 and the inner side wall of the rectangular tube 3 slide relative to each other, the rotating shaft at the lower end of the connecting rod 2 and the rectangular tube 3 rotate relative to each other, the connecting rod 2 and the central rotating shaft 1 rotate relative to each other, the lateral angle between the two connecting rods 2 becomes smaller to open the two rectangular tubes 3, the rectangular tube 3 contacts the side wall of the elevator door opening through the rubber pad 10, and the rear side surface of the positioning plate 9 contacts the front side surface of the elevator door opening The safety protection device will be tightened to the elevator door opening to complete the fixation. The two connecting rods 2 are cross-distributed to block the elevator door opening. The warning sign 12 warns irrelevant personnel to prevent irrelevant personnel from entering by mistake, thereby ensuring the safety of the elevator during inspection. After the inspection is completed, the screw 54 is loosened, and then the plug column 53 is pulled forward. The plug column 53 squeezes the spring 7 through the retaining ring 8, and then the rear end of the plug column 53 is separated from the rear connecting rod 2. Then the two connecting rods 2 can be folded together, and the distance between the two rectangular tubes 3 will become closer. Then the plug column 53 is matched with the position of the socket of the socket plate 13, and then the plug column 53 is loosened. The spring 7 pushes the retaining ring 8 and the plug column 53 to move backward under the action of the door-shaped seat 6. The plug column 53 is plugged into the socket plate 13, thereby limiting the rotation of the front connecting rod 2. The two rectangular tubes 3 will be in a folded state, reducing their own volume for easy carrying.

[0024] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A safety protection device for elevator detection, characterized in that: It comprises a central rotating shaft (1) and a fastening unit (5); The central rotating shaft (1) has an outer arc surface rotatably connected to two connecting rods (2), the two connecting rods (2) are cross-distributed, the lower ends of the connecting rods (2) are rotatably connected to rectangular tubes (3) via rotating shafts, the two rectangular tubes (3) are parallelly distributed, the upper ends of the connecting rods (2) are rotatably connected to symmetrically distributed rollers (4) via connecting shafts, and the rollers (4) are slidably connected to the vertically corresponding rectangular tubes (3); The fastening unit (5) comprises a connecting seat (51), a supporting seat (52), an inserting column (53) and a screw (54); the connecting seat (51) is rotatably connected to the lower end of the front connecting rod (2) via a circular shaft; the upper end of the connecting seat (51) is slidably connected to the supporting seat (52); the upper end of the supporting seat (52) is slidably connected to the inserting column (53); the rear end of the inserting column (53) is movably plugged into the upper end of the rear connecting rod (2); the front end of the connecting seat (51) is rotatably connected to the screw (54) via a bearing; the upper end of the screw (54) is threadedly connected to the lower end of the supporting seat (52).

2. The elevator detection safety protection device according to claim 1, characterized in that: The fastening unit (5) further comprises a hexagonal column (55), wherein the hexagonal column (55) is arranged at the lower end of the screw rod (54).

3. The elevator detection safety protection device according to claim 1, characterized in that: A gate-shaped seat (6) is provided at the upper end of the front side surface of the support seat (52), a retaining ring (8) is provided in the middle of the outer arc surface of the plug post (53), a spring (7) is movably sleeved in the middle of the outer arc surface of the plug post (53), the spring (7) is located between the retaining ring (8) and the rear side wall of the gate-shaped seat (6), and the retaining ring (8) is located on the front side of the support seat (52).

4. The elevator detection safety protection device according to claim 1, characterized in that: It also includes a socket plate (13), which is arranged in the middle of the right side surface of the left rectangular tube (3), and the socket plate (13) is arranged in coordination with the plug post (53).

5. The elevator detection safety protection device according to claim 1, characterized in that: The front side surfaces of the rectangular tubes (3) are each provided with a positioning plate (9), the left positioning plate (9) extending out of the left side surface of the left rectangular tube (3), and the right positioning plate (9) extending out of the right side surface of the right rectangular tube (3).

6. The elevator detection safety protection device according to claim 5, characterized in that: It also comprises a rubber pad (10), wherein the rubber pad (10) is respectively arranged on the left side surface of the left positioning plate (9) and the right side surface of the right positioning plate (9).

7. The elevator detection safety protection device according to claim 1, characterized in that: It also comprises a connecting rope (11), wherein the connecting rope (11) is arranged at the upper end between the two rectangular tubes (3), and a warning sign (12) is arranged in the middle of the connecting rope (11).

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