Telescopic elevator car roof protective fence

Abstract

The utility model relates to the technical field of elevator car roof protective guards, in particular to a telescopic elevator car roof protective guard which comprises a side protective guard, one side of the side protective guard is connected with a rear protective guard, the other side of the side protective guard is connected with a door frame, the middle of the side protective guard is connected with a supporting column in a sliding mode, and the supporting column is connected with a door frame. One side of the supporting column is connected with a telescopic mechanism, one side of the telescopic mechanism is connected with a fixing mechanism, the interior of the supporting column is hollow, the interior of the supporting column is slidably connected with a movable column, one side of the movable column is provided with a long groove, the movable column is fixedly connected with a side protective fence, and the long groove corresponds to the telescopic mechanism; one side of the door frame is connected with a locking mechanism, the telescopic mechanism comprises two supporting seats, the two supporting seats are fixedly connected with the supporting column, the middles of the two supporting seats are rotationally connected with a transverse rod, and the door frame has the advantages of being high in practicability and easy to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator car top guardrails, in particular to a telescopic elevator car top guardrail. Background Art

[0002] With the rapid development of urbanization, elevators have become an indispensable means of transportation in modern high-rise buildings. However, during the installation, maintenance and overhaul of elevators, workers need to frequently enter the elevator car top for operation. This places extremely high demands on the safety protection of the elevator car top. Traditional elevator car top guardrails usually adopt a fixed structure or require manual adjustment through latches, etc. The operation process is cumbersome and inefficient. Especially when the length of the guardrail needs to be adjusted frequently, this traditional design obviously cannot meet the needs of fast and efficient work. At the same time, connection methods such as latches are prone to wear during long-term use, which not only affects the use effect, but also may bring safety hazards. Therefore, we propose an elevator car top guardrail that is easy to retract.

[0003] The prior art discloses an embedded retractable car roof guardrail with application number: CN202122364156.6, comprising two rear guardrails and two side guardrails, both ends of the two rear guardrails are fixedly installed with connecting plates, each of the connecting plates is fixedly connected to the end of the side guardrail, a connecting bracket is fixedly connected between the two side guardrails on the same side, the two side guardrails on the same side are fixedly connected with vertical poles symmetrically about the midpoint vertical center line, movable brackets are respectively installed on the two vertical poles, a connecting rod is fixed between the tops of the two adjacent vertical poles, and a mutually cooperating induction component is installed between the movable bracket and the connecting rod.

[0004] The prior art mainly uses multiple pins and holes to complete the fixation and length adjustment of the device. When adjustment is needed, the staff needs to take down multiple pins each time, then adjust them, and then install them all again. This is relatively cumbersome and difficult to improve work efficiency.

[0005] Therefore, it is necessary to design a retractable elevator car top guardrail that is practical and easy to operate. Utility Model Content

[0006] The purpose of the utility model is to provide a retractable elevator car top guardrail to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a retractable elevator car top guardrail, comprising a side guardrail, one side of the side guardrail is connected to a rear guardrail, the other side of the side guardrail is connected to a door frame, the middle part of the side guardrail is slidably connected to a support column, one side of the support column is connected to a telescopic mechanism, one side of the telescopic mechanism is connected to a fixing mechanism, the interior of the support column is hollow, the interior of the support column is slidably connected to a moving column, one side of the moving column is provided with a long groove, the moving column and the side guardrail are fixedly connected, the long groove and the telescopic mechanism correspond, and one side of the door frame is connected to a locking mechanism.

[0008] According to the above technical solution, the telescopic mechanism includes two support seats, the two support seats are fixedly connected to the support columns, the middle parts of the two support seats are rotatably connected with a cross bar, the outer sides of the cross bar are fixedly connected with a cam block, the inside of the long groove is slidably connected with a slide plate, the top of the slide plate is fixedly connected with a long block, the long block and the cam block correspond to each other, both sides of the slide plate are fixedly connected with vertical rods, the vertical rods and the inside of the support columns are movably connected, and the cam block is connected to the fixing mechanism.

[0009] According to the above technical solution, the connection between the cross bar and the cam block is located at the side end of the cam block.

[0010] According to the above technical solution, a through slot is opened on one side of the support column, the through slot is located in the middle of the two support seats, and the long block is located inside the through slot.

[0011] According to the above technical solution, the fixing mechanism includes a push plate, which is fixedly connected to the cam block, a groove is provided on one side of the support column, the push plate and the groove correspond to each other, a T-shaped slot is provided on one side of the support column, a baffle is slidably connected to the inside of the T-shaped slot, a convex rod is fixedly connected to one end of the baffle, and the convex rod corresponds to the fine groove of the T-shaped slot.

[0012] According to the above technical solution, the locking mechanism includes a flap, a square groove is provided on one side of the door frame, a round rod is fixedly connected to the inside of the square groove, the flap and the round rod are rotatably connected, a corresponding groove is provided on the inside of the flap, a corresponding block is rotatably connected to one side of the door frame, the corresponding block corresponds to the corresponding groove, and a lever is fixedly connected to one side of the flap.

[0013] According to the above technical solution, the size of the corresponding slot matches the size of the corresponding block.

[0014] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0015] (1) With the telescopic mechanism, workers can easily adjust the height of the guardrail by turning the cam block to meet the needs of different work scenarios. The operation is simple, eliminating the cumbersome steps of traditional latch adjustment, greatly simplifying the operation process and thus improving work efficiency;

[0016] (2) By providing a fixing mechanism, the guardrail can be fixed after the telescopic adjustment is completed to prevent accidental movement of the telescopic mechanism and ensure the stability and safety of the guardrail;

[0017] (3) By providing a locking mechanism, workers can quickly and accurately complete the switch operation, which is easy to operate and convenient for workers to inspect and maintain the guardrail, ensuring that the guardrail remains in good working condition. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the utility model;

[0020] Figure 3 It is a schematic diagram of the utility model;

[0021] Figure 4 It is a schematic diagram of the utility model;

[0022] Figure 5 It is a schematic diagram of the utility model;

[0023] Figure 6 It is a three-dimensional schematic diagram of the locking mechanism of the utility model;

[0024] In the figure: 1. side guardrail; 11. support column; 12. support seat; 13. cam block; 14. push plate; 15. T-slot; 16. convex rod; 17. baffle; 2. moving column; 21. long slot; 22. slide plate; 23. vertical rod; 24. long block; 3. rear guardrail; 4. door frame; 41. square slot; 42. flap; 43. corresponding slot; 44. corresponding block; 45. lever. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-6The utility model provides a technical solution: a retractable elevator car top guardrail, comprising a side guardrail 1, a rear guardrail 3 is connected to one side of the side guardrail 1, a door frame 4 is connected to the other side of the side guardrail 1, a support column 11 is slidably connected to the middle part of the side guardrail 1, a telescopic mechanism is connected to one side of the support column 11, a fixing mechanism is connected to one side of the telescopic mechanism, the interior of the support column 11 is hollow, a moving column 2 is slidably connected to the interior of the support column 11, a long groove 21 is provided on one side of the moving column 2, the moving column 2 is fixedly connected to the side guardrail 1, the long groove 21 corresponds to the telescopic mechanism, and a locking mechanism is connected to one side of the door frame 4; when the staff is ready to use the guardrail, the guardrail is placed in the corresponding position, and the height of the guardrail may need to be adjusted at this time. The staff can open the fixing mechanism so that the telescopic mechanism can be moved, and the moving column 2 can be moved up or down, and the top of the side guardrail 1 will also move up and down, while the bottom of the side guardrail 1 is slidably connected to the support column 11 and can also be moved, so the guardrail can be moved up and down as a whole. When the staff needs to enter the interior to work, they can open the door frame 4 through the locking mechanism, leave and then close it. By providing a telescopic mechanism, the staff can easily adjust the height of the guardrail to meet the needs of different work scenes, and it has strong adaptability. By providing a fixing mechanism, it can be fixed after the telescopic adjustment is completed to prevent the telescopic mechanism from accidentally moving, ensuring the stability and safety of the guardrail. By providing a locking mechanism, the staff can quickly and accurately complete the switch operation, which is easy to operate and convenient for the staff to inspect and maintain the guardrail, ensuring that the guardrail remains in good working condition.

[0027] The telescopic mechanism includes two support seats 12, the two support seats 12 are fixedly connected to the support column 11, the middle parts of the two support seats 12 are rotatably connected with a cross bar, the outer side of the cross bar is fixedly connected with a cam block 13, the inside of the long groove 21 is slidably connected with a slide plate 22, the top of the slide plate 22 is fixedly connected with a long block 24, the long block 24 corresponds to the cam block 13, both sides of the slide plate 22 are fixedly connected with a vertical rod 23, the vertical rod 23 and the inside of the support column 11 are movably connected, and the cam block 13 is connected to the fixing mechanism; when the staff wants to extend and retract the guardrail, first of all, when it is fixed at the beginning, the cam block 13 is against the long block 24, pressing the long block 24 The cam block 13 is tightened to make it completely fit the inside of the long slot 21, so that the friction between the long block 24 and the long slot 21 fixes the moving column 2. When the moving column 2 needs to be raised or lowered, the staff can rotate the cam block 13, so that the cam block 13 no longer presses the long block 24, and the vertical rod 23 fixedly connected to the slide plate 22 and the inside of the support column 11 are movably connected. When pressed, the vertical rod 23 and the support column 11 will also be pressed tightly, but when there is no cam block 13 pressing, the vertical rod 23 and the inside of the support column 11 will loosen, so that the bottom slide plate 22 no longer fits the inside of the long slot 21, so that the moving column 2 can move automatically. By providing a telescopic mechanism, the staff can easily adjust the height of the guardrail by rotating the cam block 13, eliminating the trouble of latches one by one and improving work efficiency.

[0028] The connection between the cross bar and the cam block 13 is located at the side end of the cam block 13; the connection position between the cross bar and the cam block 13 is not in the middle, so that when the cam block 13 rotates, the large part of the cam block 13 will rotate from the bottom to the side, so that the large part will no longer press against the long block 24, thereby achieving length adjustment.

[0029] A through slot is provided on one side of the support column 11, and the through slot is located in the middle of the two support seats 12, and the long block 24 is located inside the through slot; in this way, the long block 24 can be abutted against the cam block 13 through the through slot, and the long block 24 is located inside the through slot. In this way, when the movable column 2 moves, the slide plate 22 is still in place, because the through slot is stationary, and the long block 24 is also stationary inside it, and when pressing, it can be pressed at this position.

[0030] The fixing mechanism includes a push plate 14, which is fixedly connected to the cam block 13. A groove is provided on one side of the support column 11, and the push plate 14 corresponds to the groove. A T-shaped groove 15 is provided on one side of the support column 11. A baffle 17 is slidably connected inside the T-shaped groove 15, and a convex rod 16 is fixedly connected to one end of the baffle 17, and the convex rod 16 corresponds to the fine groove of the T-shaped groove 15. When the cam block 13 presses the long block 24, the push plate 14 just fits into the inside of the groove. At this time, the staff pushes the convex rod 16 to push the baffle 17 in the direction of the groove. The baffle 17 just blocks the top of the push plate 14, restricting the push plate 14 inside the groove, and fixing the push plate 14, so that the extension of the device is fixed. When you want to open it, you can push the baffle 17 back to its original position through the convex rod 16. By setting a fixing mechanism, it can be fixed after the extension is completed, thereby improving the stability of the device.

[0031] The locking mechanism includes a flap 42, a square groove 41 is provided on one side of the door frame 4, a round rod is fixedly connected inside the square groove 41, the flap 42 and the round rod are rotatably connected, a corresponding groove 43 is provided inside the flap 42, a corresponding block 44 is rotatably connected to one side of the door frame 4, the corresponding block 44 corresponds to the corresponding groove 43, and a lever 45 is fixedly connected to one side of the flap 42; when the staff wants to open the front door frame 4, firstly, the corresponding block 44 is rotated to be parallel to the corresponding groove 43, and currently it is perpendicular to the corresponding groove 43, parallel to After that, the flap 42 is lifted up by the lever 45. Originally, the flap 42 is connected to the left door frame 4, and the corresponding block 44 is connected to the right door frame 4. The corresponding block 44 restricts the flap 42 to complete the closing of the door frame 4. Now the flap 42 is open and the door frame 4 can be opened. When it needs to be closed, the flap 42 is pushed back to its original position and the corresponding block 44 is turned. By providing a locking mechanism, the staff can complete the opening and closing of the door frame 4 by turning the corresponding block 44. The operation is convenient and the use of the door frame 4 is more flexible.

[0032] The size of the corresponding groove 43 matches the size of the corresponding block 44; when the flap 42 is closed, the corresponding block 44 is parallel to the corresponding groove 43, and the corresponding block 44 enters the corresponding groove 43. The corresponding block 44 is rotated, and the corresponding block 44 just contacts the flap 42 to complete the fixation.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A retractable elevator car top guardrail, comprising a side guardrail (1), characterized in that: One side of the side guardrail (1) is connected to a rear guardrail (3), the other side of the side guardrail (1) is connected to a door frame (4), the middle of the side guardrail (1) is slidably connected to a support column (11), one side of the support column (11) is connected to a telescopic mechanism, one side of the telescopic mechanism is connected to a fixing mechanism, the interior of the support column (11) is hollow, the interior of the support column (11) is slidably connected to a moving column (2), one side of the moving column (2) is provided with a long groove (21), the moving column (2) and the side guardrail (1) are fixedly connected, the long groove (21) and the telescopic mechanism correspond, and one side of the door frame (4) is connected to a locking mechanism.

2. The retractable elevator car top guardrail according to claim 1, characterized in that: The telescopic mechanism comprises two support seats (12), the two support seats (12) and the support column (11) are fixedly connected, the middle parts of the two support seats (12) are rotatably connected with a cross bar, the outer side of the cross bar is fixedly connected with a cam block (13), the inside of the long groove (21) is slidably connected with a slide plate (22), the top of the slide plate (22) is fixedly connected with a long block (24), the long block (24) and the cam block (13) correspond to each other, both sides of the slide plate (22) are fixedly connected with vertical rods (23), the vertical rods (23) and the inside of the support column (11) are movably connected, and the cam block (13) is connected to a fixing mechanism.

3. The retractable elevator car top guardrail according to claim 2, characterized in that: The connection point between the cross bar and the cam block (13) is located at the side end of the cam block (13).

4. The retractable elevator car top guardrail according to claim 2, characterized in that: A through slot is provided on one side of the support column (11), the through slot is located between the two support seats (12), and the long block (24) is located inside the through slot.

5. The retractable elevator car top guardrail according to claim 2, characterized in that: The fixing mechanism comprises a push plate (14), the push plate (14) and the cam block (13) are fixedly connected, a groove is provided on one side of the support column (11), the push plate (14) and the groove correspond to each other, a T-shaped groove (15) is provided on one side of the support column (11), a baffle plate (17) is slidably connected inside the T-shaped groove (15), one end of the baffle plate (17) is fixedly connected to a convex rod (16), and the convex rod (16) corresponds to the fine groove of the T-shaped groove (15).

6. The retractable elevator car top guardrail according to claim 1, characterized in that: The locking mechanism comprises a flap (42), a square groove (41) is provided on one side of the door frame (4), a round rod is fixedly connected inside the square groove (41), the flap (42) and the round rod are rotatably connected, a corresponding groove (43) is provided inside the flap (42), a corresponding block (44) is rotatably connected on one side of the door frame (4), the corresponding block (44) corresponds to the corresponding groove (43), and a lever (45) is fixedly connected to one side of the flap (42).

7. The retractable elevator car top guardrail according to claim 6, characterized in that: The size of the corresponding slot (43) matches the size of the corresponding block (44).

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