Guiding pulley device of protective net

Abstract

The utility model is applicable to the technical field of protective nets, and provides a protective net guide pulley device which comprises a protective net and an opening, the lower surface of the protective net is fixedly connected with a support, the outer wall of the upper end of the protective net is fixedly connected with a groove pipe, and the inside of the groove pipe is movably connected with a roller assembly. The lower surface of the groove pipe is fixedly connected with a rolling wheel assembly, the lower surface of the rolling wheel assembly is fixedly connected with a protective door, the size of an outer opening of the protective door is larger than that of an inner opening of the opening, the upper surface of the groove pipe is fixedly connected with an equipment frame, and the inner wall of the equipment frame is rotationally connected with a guide wheel. According to the device, external sundries are effectively prevented from falling into the groove pipe, the sundries are prevented from hindering the roller assembly, the opening, except the protective door, below the groove pipe is shielded through the protective piece, the external sundries are further prevented from entering the groove pipe, it is guaranteed that the protective piece rotates along with the protective door through the guide wheel, and the flexibility of the protective piece is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of protective nets, in particular to a guide pulley device for a protective net. Background Art

[0002] Protective nets are often used in daily life, such as in community basketball courts and trampolines. The protective nets prevent basketballs from flying out of the court and injuring people, and people from jumping out of the trampoline when in use and causing injuries. The traditional way to enter and exit the protective net is to add a partial zipper structure on it to form a small, positioned entry and exit door.

[0003] After searching, the Chinese patent application number is: 201921680739.6, which discloses a trampoline protective net guide pulley device, including a crossbeam, a guide pulley is slidably installed inside the crossbeam, a locking device is installed on the left side of the crossbeam, the crossbeam includes a beam body, an opening is opened on the upper surface of the beam body, and a rectangular cavity is opened at the lower end of the opening. The guide pulley includes a moving rod slidably installed on the inside of the opening, a protective rod is fixedly installed on the upper end of the moving rod, a rotating shaft hole is opened on the left surface of the moving rod, a bearing groove is opened on the outside of the rotating shaft hole, the outer ring of the bearing is fixedly installed inside the bearing groove, the rotating shaft of the double roller is fixedly installed inside the inner ring of the bearing, the rotating shaft of the double roller is located inside the rotating shaft hole, and the double roller is rollingly installed inside the rectangular cavity. Compared with the existing technology, this device can freely move the protective rod through the cooperation of the locking device and the guide pulley, and adjust the opening of the protective net at will to meet the entry and exit needs of people in a large trampoline group. However, it has the following problems: the opening of the equipment beam faces upward, which makes it easy for external impurities to enter the rectangular cavity and cause blockage of the guide pulley, thereby causing the protective net to open and close poorly. Utility Model Content

[0004] The utility model provides a guide pulley device for a protective net, aiming to solve the problem in the prior art that the opening of the equipment crossbeam faces upward, which easily allows foreign matter to enter the rectangular cavity and cause blockage of the guide pulley, thereby causing poor opening and closing of the protective net.

[0005] The utility model is implemented as follows: a protective net guide pulley device comprises a protective net and an opening, the lower surface of the protective net is fixedly connected to a bracket, and the outer wall of the upper end of the protective net is fixedly connected to a groove tube, the interior of the groove tube is movably connected to a roller assembly, and the lower surface of the roller assembly is fixedly connected to a protective door, the outer opening size of the protective door is larger than the inner opening size of the opening, and the upper surface of the groove tube is fixedly connected to an equipment frame, the inner wall of the equipment frame is rotatably connected to a guide wheel, and the guide wheels are evenly distributed on the inner wall of the equipment frame, the outer walls on both sides of the upper end of the protective door are fixedly connected to protective plates, and the protective plates are sleeved on the outer walls of the guide wheels.

[0006] Preferably, the outer wall of the lower end of the protective net is fixedly connected to a limiting rod, and the upper surface of the limiting rod is provided with a limiting groove matching the lower end of the protective door.

[0007] Preferably, the limiting groove is a through groove.

[0008] Preferably, a rubber pad is fixedly connected to the inner wall of the limiting groove.

[0009] Preferably, the outer wall of the lower end of the protective door is rotatably connected to a roller.

[0010] Preferably, the outer wall of the limiting rod is provided with a latch, and the outer wall of the lower end of the protective door is provided with a plurality of sockets matching the latch.

[0011] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0012] The protective door is a hanging rail, and the opening of the trough pipe faces downward, which effectively prevents external debris from falling into the trough pipe and preventing debris from obstructing the roller assembly. The protective sheet covers the opening below the trough pipe except for the protective door, further preventing external debris from entering the trough pipe. The guide wheel ensures that the protective sheet rotates with the protective door, thereby improving the flexibility of the protective sheet. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a side sectional structural schematic diagram of the utility model;

[0014] Figure 2 This is a schematic diagram of the front cross-sectional structure of the equipment frame of the present utility model;

[0015] Figure 3 This is a schematic diagram of the three-dimensional structure of the limit rod of the utility model;

[0016] In the figure: 1. Protective net; 2. Bracket; 3. Grooved pipe; 4. Pulley assembly; 5. Protective door; 6. Equipment frame; 7. Guide wheel; 8. Protective sheet; 9. Limit rod; 10. Limit groove; 11. Rubber pad; 12. Roller; 13. Latch. DETAILED DESCRIPTION

[0017] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of the application are only for the purpose of describing specific embodiments and are not intended to limit this application. The terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0018] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0019] The present invention provides a guide pulley device for a protective net. Figure 1-3 As shown, it includes a protective net 1 and an opening, the lower surface of the protective net 1 is fixedly connected to a bracket 2, and the outer wall of the upper end of the protective net 1 is fixedly connected to a groove tube 3, the interior of the groove tube 3 is movably connected to a roller assembly 4, and the lower surface of the roller assembly 4 is fixedly connected to a protective door 5, the outer opening size of the protective door 5 is larger than the inner opening size of the opening, and the upper surface of the groove tube 3 is fixedly connected to an equipment frame 6, the inner wall of the equipment frame 6 is rotatably connected to a guide wheel 7, and the guide wheels 7 are evenly distributed on the inner wall of the equipment frame 6, and the outer walls on both sides of the upper end of the protective door 5 are fixedly connected to protective plates 8, and the protective plates 8 are sleeved on the outer walls of the guide wheels 7.

[0020] It should be noted that, since the opening of the equipment crossbeam in the prior art is facing upward, it is easy for foreign matter to enter the rectangular cavity and cause the guide pulley to be blocked, thereby causing the protective net to be unable to switch smoothly. Therefore, in order to solve the problem in the prior art that the opening of the equipment crossbeam is facing upward, it is easy for foreign matter to enter the rectangular cavity and cause the guide pulley to be blocked, thereby causing the protective net to be unable to switch smoothly, the protective door 5 of this scheme is a hanging rail, and the opening of the groove tube 3 is facing downward, which effectively prevents foreign matter from falling into the groove tube 3 and preventing foreign matter from obstructing the roller assembly 4. The opening below the groove tube 3 except the protective door 5 is covered by the protective sheet 8, which further prevents foreign matter from entering the groove tube 3. The guide wheel 7 ensures that the protective sheet 8 rotates with the protective door 5, thereby improving the flexibility of the protective sheet 8.

[0021] In a further preferred embodiment of the present invention, Figure 1 As shown, the outer wall of the lower end of the protective net 1 is fixedly connected to a limiting rod 9, and the upper surface of the limiting rod 9 is provided with a limiting groove 10 that matches the lower end of the protective door 5.

[0022] In this embodiment, the position of the lower end of the protective door 5 is limited by the limiting groove 10, thereby ensuring the smooth movement of the protective door 5.

[0023] In a further preferred embodiment of the present invention, Figure 1 As shown, the limiting groove 10 is a through groove.

[0024] In this embodiment, the limiting groove 10 of the through groove facilitates the cleaning and discharge of debris that enters the limiting groove 10 .

[0025] In a further preferred embodiment of the present invention, Figure 3 As shown, a rubber pad 11 is fixedly connected to the inner wall of the limiting groove 10 .

[0026] In this embodiment, the rubber pad 11 reduces the friction noise between the protective door 5 and the limiting groove 10 .

[0027] In a further preferred embodiment of the present invention, Figure 3 As shown, the outer wall of the lower end of the protective door 5 is rotatably connected to a roller 12.

[0028] In this embodiment, the friction between the protective door 5 and the limiting groove 10 is reduced by the roller 12 .

[0029] In a further preferred embodiment of the present invention, Figure 1 As shown, a latch 13 is provided on the outer wall of the limiting rod 9 , and a plurality of insertion holes matching the latch 13 are opened on the outer wall of the lower end of the protective door 5 .

[0030] In this embodiment, by inserting the latch 13 into the insertion hole in the protective door 5, the position of the protective door 5 can be restricted, thereby fixing the size of the opening.

[0031] It should be noted that for the aforementioned embodiments, for simplicity of description, they are all expressed as a series of action combinations. However, those skilled in the art should be aware that the present invention is not limited by the order of the actions described, because according to the present invention, certain steps may be performed in other orders or simultaneously. Secondly, those skilled in the art should also be aware that the embodiments described in this specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

[0032] In the several embodiments provided in this application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely illustrative, such as the division of the above-mentioned units. In actual implementation, there may be other division methods, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the coupling or communication connection between each other shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunications or other forms.

[0033] The units described above as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of these units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0034] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the scope of protection of the present invention. Obviously, the embodiments described are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making any creative work are within the scope to be protected by the present invention. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the present invention according to the circumstances without conflict, without making any creative work, so as to obtain different other technical solutions that do not deviate from the concept of the present invention in essence, and these technical solutions also fall within the scope to be protected by the present invention.

Claims

1. A protective net guide pulley device, characterized in that: The invention comprises a protective net (1) and an opening, wherein the lower surface of the protective net (1) is fixedly connected to a bracket (2), and the outer wall of the upper end of the protective net (1) is fixedly connected to a groove tube (3), the interior of the groove tube (3) is movably connected to a roller assembly (4), and the lower surface of the roller assembly (4) is fixedly connected to a protective door (5), the outer opening size of the protective door (5) is larger than the inner opening size of the opening, and the upper surface of the groove tube (3) is fixedly connected to an equipment frame (6), the inner wall of the equipment frame (6) is rotatably connected to a guide wheel (7), and the guide wheels (7) are evenly distributed on the inner wall of the equipment frame (6), and the outer walls on both sides of the upper end of the protective door (5) are fixedly connected to protective plates (8), and the protective plates (8) are sleeved on the outer walls of the guide wheels (7).

2. A protective net guide pulley device according to claim 1, characterized in that: The lower outer wall of the protection net (1) is fixedly connected to a limiting rod (9), and the upper surface of the limiting rod (9) is provided with a limiting groove (10) that matches the lower end of the protection door (5).

3. A protective net guide pulley device according to claim 2, characterized in that: The limiting groove (10) is a through groove.

4. A guide pulley device for a protective net according to claim 2, characterized in that: A rubber pad (11) is fixedly connected to the inner wall of the limiting groove (10).

5. A protective net guide pulley device according to claim 2, characterized in that: The outer wall of the lower end of the protective door (5) is rotatably connected to a roller (12).

6. A protective net guide pulley device according to claim 2, characterized in that: The outer wall of the limiting rod (9) is provided with a latch (13), and the lower outer wall of the protective door (5) is provided with a plurality of insertion holes matching the latch (13).

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