Safety protection net

Abstract

The utility model relates to a safety protection net which comprises a supporting frame, an adjusting mechanism used for length adjustment is installed in an inner cavity of the supporting frame and comprises a first motor, the bottom of an output shaft of the first motor is fixedly connected with a rotating shaft, the first motor is rotationally connected with the rotating shaft through a coupler, and the bottom of the rotating shaft is fixedly connected with a gear. The outer ring of the gear is engaged with a rack, the bottom of the rack is fixedly connected with a protection frame, and a protection net is slidably connected into an inner cavity of the protection frame. And a cleaning mechanism for cleaning dust is mounted at the top of the supporting frame. The device has the beneficial effects that the gear can be driven to rotate by starting the first motor, the gear is meshed with the rack, and the rack is fixedly connected with the protection frames, so that the two protection frames can be driven to move by starting the first motor, the length of the protection frames is changed, and then the length of the internal protection net is changed; adjustment can be conveniently carried out according to needs, and the problems of storage and use of the combined protective net are solved.

Description

Technical Field

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

[0002] With the increase in social security, protective nets are used more and more widely in various fields. According to the material, they can be roughly divided into two categories: metal protective nets and non-metallic protective nets. Metal protective nets are generally connected to fixed rods, which are fixed to the ground to play a protective and resisting role.

[0003] After searching, the Chinese patent number CN212336776U discloses that the utility model discloses a new type of safety net for construction, including a grid frame, the grid frame is set as a rectangular frame structure, one side of the grid frame is provided with a through hole, the side of the grid frame opposite to the through hole is provided with a convex tube corresponding to the through hole, the convex tube is provided to match the through hole, the grid frame is provided with a door frame on the side of the through hole and the convex tube, the side of the door frame is hinged with a side door, the side of the side door is provided with a plug hole, and the side of the door frame corresponding to the plug hole is fixedly connected with a spring pin. Compared with the prior art, the utility model has the advantages that the new type of safety net for construction is convenient for opening and closing the side door, and can also be convenient for safety protection.

[0004] However, during the use of existing safety nets, the length of the nets is fixed. When nets of different lengths are needed, two or more nets are generally connected and fixed to change the length of the nets. However, in actual use, this method is not only time-consuming and laborious during installation, but also takes a lot of time on connection and fixation, affecting work efficiency, and the combined net is also inconvenient to store. Based on this, the utility model designs a safety net to solve the above problems. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the above-mentioned shortcomings and deficiencies of the prior art, the utility model provides a safety protection net, which solves the technical problem of fixed protection length.

[0007] (II) Technical solution

[0008] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include:

[0009] The utility model embodiment provides a safety protection net, including a support frame, an adjustment mechanism for length adjustment is installed in the inner cavity of the support frame, the adjustment mechanism includes a first motor, a rotating shaft is fixedly connected to the bottom of the output shaft of the first motor, the first motor and the rotating shaft are rotatably connected through a coupling, a gear is fixedly connected to the bottom of the rotating shaft, the outer ring of the gear is engaged with a rack, the bottom of the rack is fixedly connected to a protection frame, and a protection net is slidably connected in the inner cavity of the protection frame;

[0010] A cleaning mechanism for cleaning dust is installed on the top of the support frame.

[0011] Optionally, a slide groove is provided on one side of the protection frame, a slider is slidably connected in the inner cavity of the slide groove, the slider is fixedly connected to the protection net, and the slide groove is convex-shaped, which can make the slider move more stably.

[0012] Optionally, a bottom plate is fixedly connected to the bottom of the support frame, an inner cavity of the bottom plate is provided with mounting holes, the mounting holes are arranged in multiple groups and distributed in a rectangular array, and a sealing plate is hinged on one side of the support frame.

[0013] Optionally, the cleaning mechanism includes a support plate, one side of the support plate is fixedly connected to a second motor, one side of the output shaft of the second motor is fixedly connected to a one-way screw, the second motor and the one-way screw are rotatably connected via a coupling, starting the second motor can drive the one-way screw to rotate, the outer ring of the one-way screw is threadedly connected to a moving block, the bottom of the moving block is fixedly connected to a fan, and the support plate is provided with multiple groups and distributed linearly.

[0014] Optionally, limit rods are fixedly connected between the support plates, two groups of limit rods are provided and symmetrically distributed with respect to the support plates, and the limit rods are inserted into the inner cavity of the moving block. The limit rods can make the moving block move more stably.

[0015] Optionally, a handle is fixedly connected to one side of the protective net, and sliding wheels are installed in the inner cavity of the protective frame. The sliding wheels are provided in multiple groups and are linearly distributed, and the sliding wheels facilitate the movement of the protective frame.

[0016] (III) Beneficial effects

[0017] The beneficial effects of the utility model are:

[0018] 1. In the utility model, by cooperating with the gear and the rack, starting the first motor can drive the gear to rotate, and the gear and the rack are meshed with each other, and the rack is fixedly connected to the protective frame. Therefore, starting the first motor can drive the two protective frames to move, thereby changing the length of the protective frame, and then changing the length of the internal protective net, which is convenient for adjustment according to needs and avoids the problems of storage and use of the combined protective net.

[0019] 2. The utility model, through the cooperation of the one-way screw and the fan, starts the fan, and the fan can clean the dust inside the protective net. In order to avoid cleaning dead corners, the second motor is started, and the start of the second motor can drive the one-way screw to rotate. Since the moving block is threadedly connected to the outer ring of the one-way screw, starting the second motor can drive the moving block to move left and right, and at the same time drive the fan to move left and right, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of the safety protection net of the utility model;

[0021] Figure 2 This is a side view of the structure of the utility model;

[0022] Figure 3 for Figure 2 A magnified image of point A;

[0023] Figure 4 It is a front view of the safety protection net of the utility model.

[0024] [Description of Reference Numerals]

[0025] 1. Support frame; 2. First motor; 3. Rotating shaft; 4. Gear; 5. Rack; 6. Protective frame; 7. Protective net; 8. Slide groove; 9. Slider; 10. Bottom plate; 11. Mounting hole; 12. Support plate; 13. Second motor; 14. One-way screw; 15. Moving block; 16. Fan; 17. Limit rod; 18. Handle; 19. Sliding wheel. DETAILED DESCRIPTION

[0026] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below in conjunction with the accompanying drawings through specific implementation methods. Figure 1 The orientation is used as a reference.

[0027] The problem of fixed protection length raised by the embodiment of the utility model is that the gear 4 and the rack 5 cooperate to start the first motor 2 to drive the gear 4 to rotate, and the gear 4 and the rack 5 are meshed with each other, and the rack 5 is fixedly connected to the protection frame 6, so starting the first motor 2 can drive the two protection frames 6 to move. A protection net 7 is provided inside the protection frame 6. By changing the position of the protection frame 6 inside the support frame 1, the position of the protection net 7 is changed, and the two groups of protection nets 7 installed front and back constitute a group of protection net 7 structures with variable length. By changing the length of the overlapping part of the two groups of protection nets 7, the length of the protection work of the protection net 7 as a whole is changed. While adjusting the length of the protection net 7, the cumbersome operation of disassembling and assembling the protection net 7 is avoided, thereby improving work efficiency.

[0028] In order to better understand the above technical solution, exemplary embodiments of the present invention will be described in more detail with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a clearer and more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0029] Embodiment 1:

[0030] Reference Figure 1-Figure 3 A safety net comprises a supporting frame 1, an adjusting mechanism for length adjustment is installed in the inner cavity of the supporting frame 1, the adjusting mechanism comprises a first motor 2, a rotating shaft 3 is fixedly connected to the bottom of the output shaft of the first motor 2, the first motor 2 and the rotating shaft 3 are rotatably connected via a coupling, a gear 4 is fixedly connected to the bottom of the rotating shaft 3, the outer ring of the gear 4 engages with a rack 5, a protective frame 6 is fixedly connected to the bottom of the rack 5, and a protective net 7 is slidably connected to the inner cavity of the protective frame 6.

[0031] A cleaning mechanism for cleaning dust is installed on the top of the support frame 1. A slide groove 8 is provided on one side of the protective frame 6, and a slider 9 is slidably connected in the inner cavity of the slide groove 8. The slider 9 is fixedly connected to the protective net 7. The slide groove 8 is convex in shape, which can make the slider 9 move more stably. A base plate 10 is fixedly connected to the bottom of the support frame 1, and mounting holes 11 are provided in the inner cavity of the base plate 10. The mounting holes 11 are arranged in multiple groups and distributed in a rectangular array. A sealing plate is hinged on one side of the support frame 1. A handle 18 is fixedly connected to one side of the protective net 7. A sliding wheel 19 is installed in the inner cavity of the protective frame 6. The sliding wheels 19 are arranged in multiple groups and distributed linearly. The sliding wheels 19 facilitate the movement of the protective frame 6.

[0032] In the embodiment of the utility model, when the length of the protective frame 6 needs to be adjusted, the first motor 2 is started, and the start of the first motor 2 can drive the rotating shaft 3 to rotate. Since the gear 4 is fixedly connected to the rotating shaft 3, starting the first motor 2 can drive the gear 4 to rotate, and the gear 4 and the rack 5 are meshed with each other, and the rack 5 is fixedly connected to the protective frame 6, so starting the first motor 2 can drive the two protective frames 6 to open and close. The bottom of the protective frame 6 is provided with a sliding wheel 19, which is convenient for the staff to adjust the width of the protective frame 6. When the protective net 7 needs to be replaced, the sealing plate is first opened, and the handle 18 is held to move at the same time. The handle 18 is fixedly connected to the protective net 7, so the protective net 7 will move with the movement of the handle 18, which is convenient for replacing the protective net 7 inside the protective frame 6.

[0033] Embodiment 2:

[0034] Reference Figure 1-Figure 4 The cleaning mechanism includes a support plate 12, a second motor 13 is fixedly connected to one side of the support plate 12, a one-way screw 14 is fixedly connected to one side of the output shaft of the second motor 13, the second motor 13 and the one-way screw 14 are rotationally connected through a coupling, and starting the second motor 13 can drive the one-way screw 14 to rotate. The outer ring of the one-way screw 14 is threadedly connected to a moving block 15, and the bottom of the moving block 15 is fixedly connected to a fan 16. The support plate 12 is provided with multiple groups and linearly distributed. The support plates 12 are fixedly connected with limit rods 17, and the limit rods 17 are provided with two groups and are symmetrically distributed with the support plate 12. The limit rods 17 are inserted into the inner cavity of the moving block 15, and the limit rods 17 can make the movement of the moving block 15 more stable.

[0035] In the embodiment of the utility model, when the protective net 7 needs to be cleaned, the fan 16 is started, and the fan 16 can clean the dust inside the protective net 7. In order to avoid cleaning dead corners, the second motor 13 is started. The start of the second motor 13 can drive the one-way screw 14 to rotate. Since the moving block 15 is threadedly connected to the outer ring of the one-way screw 14, starting the second motor 13 can drive the moving block 15 to move left and right, and drive the fan 16 to move left and right at the same time, thereby improving the practicality of the device. The cooperation between the second motor 13 and the one-way screw 14, on the one hand, realizes the movement of the moving block 15 and the fan 16 through the rotation of the second motor 13, and improves the working range of the fan 16. In addition, the threaded connection between the one-way screw 14 and the moving block 15 has the self-locking characteristic. When the second motor 13 stops rotating, the moving block 15 will also stop moving, avoiding the problem of free movement of the fan 16.

[0036] In the description of the present utility model, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0037] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] In the present utility model, unless otherwise clearly specified and limited, when a first feature is “on” or “below” a second feature, it may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, when a first feature is “above”, “above” or “above” a second feature, it may be that the first feature is directly above or obliquely above the second feature, or it may simply mean that the first feature is higher in level than the second feature. When a first feature is “below”, “below” or “below” a second feature, it may be that the first feature is directly below or obliquely below the second feature, or it may simply mean that the first feature is lower in level than the second feature.

[0039] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0040] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A safety net, comprising a support frame (1), characterized in that: An adjusting mechanism for adjusting the length is installed in the inner cavity of the support frame (1), the adjusting mechanism comprising a first motor (2), a rotating shaft (3) is fixedly connected to the bottom of the output shaft of the first motor (2), the first motor (2) and the rotating shaft (3) are rotationally connected via a coupling, a gear (4) is fixedly connected to the bottom of the rotating shaft (3), the outer ring of the gear (4) is engaged with a rack (5), a protective frame (6) is fixedly connected to the bottom of the rack (5), and a protective net (7) is slidably connected to the inner cavity of the protective frame (6); A cleaning mechanism for cleaning dust is installed on the top of the support frame (1).

2. A safety net according to claim 1, characterized in that: A slide groove (8) is provided on one side of the protection frame (6), a sliding block (9) is slidably connected in the inner cavity of the slide groove (8), and the sliding block (9) is fixedly connected to the protection net (7).

3. A safety net according to claim 1, characterized in that: A bottom plate (10) is fixedly connected outwardly to both sides of the bottom of the support frame (1), the bottom plate (10) is provided with mounting holes (11), the mounting holes (11) are arranged in a plurality of groups and distributed in a rectangular array, and a sealing plate is hingedly connected to one side of the support frame (1).

4. A safety net according to claim 1, characterized in that: The cleaning mechanism comprises a support plate (12), one side of the support plate (12) is fixedly connected to a second motor (13), one side of the output shaft of the second motor (13) is fixedly connected to a one-way screw (14), the second motor (13) and the one-way screw (14) are rotationally connected via a coupling, the outer ring of the one-way screw (14) is threadedly connected to a moving block (15), the bottom of the moving block (15) is fixedly connected to a fan (16), and the support plate (12) is provided with a plurality of groups and is linearly distributed.

5. A safety net according to claim 4, characterized in that: Limiting rods (17) are fixedly connected between the support plates (12); two groups of limiting rods (17) are provided and are symmetrically distributed with respect to the support plates (12); and the limiting rods (17) are inserted into the inner cavity of the moving block (15).

6. A safety net according to claim 1, characterized in that: A handle (18) is fixedly connected to one side of the protection net (7), and a sliding wheel (19) is installed in the inner cavity of the protection frame (6). The sliding wheels (19) are arranged in multiple groups and are linearly distributed.

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