Protection device at bottom of safety net of trampoline
The design of the protective components solved the problem of loose connecting posts in the trampoline safety net, resulting in a more stable connection and safer trampoline use.
Patent Information
- Application Number
- CN202520433107.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-03-13
AI Technical Summary
The bolts fixing the connecting posts of the existing trampoline safety net are prone to loosening, resulting in the connecting posts not being securely fixed and affecting safety during use.
The device employs protective components, including connecting columns, mounting plates, fixing screw sleeves, rotating plates, limiting plates, and springs. The combination of the limiting plates and springs enhances the tightness of the threaded contact between the fixing screw sleeves and the connecting columns, preventing loosening. The support frame and anti-slip threads improve the stability and anti-slip properties of the device.
It effectively prevents the connecting columns from loosening, improves the fixing effect of the connecting columns, enhances the stability and safety of the trampoline body, and avoids parts shaking and falling off.
Smart Images

Figure CN223601919U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of sports equipment, concretely is a trampoline safety net bottom's protection device. BACKGROUND
[0002] A safety net is used in a trampoline to prevent a user from falling out of a jumping mat, and such a safety net is held by safety net sections, which usually include a plurality of connection posts extending upward or substantially upward from a frame of the jumping mat together with the safety net.
[0003] When the connection post is installed on the trampoline body, most of them are fixed on the trampoline body through fixing bolts, but the fixing bolts do not have a limiting function, which leads to the loosening of the fixing bolts when they shake for a long time, and further leads to the insecure fixing of the connection post on the trampoline body. CONTENT OF THE UTILITY MODEL
[0004] In view of the deficiencies of the prior art, the utility model provides a trampoline safety net bottom protection device, which has the advantages of good fixing effect on the connection post and solves the problem of poor fixing effect of the fixing column on the trampoline body.
[0005] The utility model discloses a trampoline safety net bottom's protection device, including trampoline main part, the top of trampoline main part is equipped with the protection assembly, the protection assembly includes six connecting columns, and six connecting columns are set in the inner chamber of trampoline main part, the bottom fixed sleeve of connecting column surface is equipped with the mounting plate, and the inner chamber of mounting plate is fixedly connected with trampoline main part through fixed bolt, the bottom of connecting column is connected with fixed screw bush, the bottom of fixed screw bush is equipped with the rotating plate, both sides of connecting column are equipped with the hollow column, the inner chamber of hollow column is equipped with the top rod, the top of top rod is equipped with the limit stop, and the top of limit stop is equipped with the spring with the connecting place of hollow column, the bottom of limit stop is equipped with the top rod, and the bottom of top rod is in close contact with rotating plate, the top fixedly connected with safety ring net is set up in the inside of connecting column, and the bottom of safety ring net is fixedly connected with trampoline main part, the utility model discloses when needing to fix connecting column on trampoline main part, first, connecting column is inserted on trampoline main part, then, connecting column is primarily fixed on trampoline main part through mounting plate and fixed bolt, then, fixed screw bush is sleeved on the bottom of connecting column, when this, rotating rotating plate, rotating fixed screw bush is driven through rotating plate, when the top of fixed screw bush contacts the bottom of trampoline main part, can the secondary fixing of connecting column, in the process that rotating plate moves upwards, rotating plate will drive top rod to move upwards, and top rod will drive limit stop to move upwards, and the spring can be extruded through limit stop, when rotating plate does not rotate, the inertia of spring can drive limit stop to press down, and the pressure is given to top rod through limit stop, and the rotating plate can be pressed down through top rod, so that the inner thread in fixed screw bush and the outer thread on connecting column contact more closely, further avoid that rotating plate appears loose, make the fixed screw bush on rotating plate fixed effect better to connecting column, avoid that connecting column appears loose, cause the bad condition of connecting column use effect.
[0006] The utility model discloses a trampoline safety net bottom's protection device, wherein the bottom of trampoline main part is fixedly connected with four support frames at equal distances, and the bottom of the support frame is provided with anti -skid granule, the utility model discloses through support frame, can play the fixed role to trampoline main part, so that trampoline main part is better in effect when using, avoided trampoline main part when using and moved, further led to the unsafe condition of trampoline main part use.
[0007] The utility model discloses a trampoline safety net bottom's protection device, wherein the surface of rotating plate is provided with anti -skid thread, and the number of anti -skid thread is not less than fifteen, through anti -skid thread, can play the effect of anti -skid to rotating plate, avoided the condition that the user appears to fall off when rotating rotating plate.
[0008] The utility model discloses a trampoline safety net bottom's protection device, wherein the top of hollow column is fixedly connected with the connecting piece of trampoline main body, and two hollow columns are centrally symmetrically arranged about the connecting column, the hollow column is fixed through the connecting piece, so that the components in the hollow column are more stable during use, and the hollow column is prevented from shaking during use, and the components in the hollow column are prevented from being unstable.
[0009] The utility model discloses a trampoline safety net bottom's protection device, wherein the bottom of connecting column surface is provided with external thread, and the inner chamber of fixed screw bush is provided with internal thread matched with external thread.
[0010] The utility model discloses a trampoline safety net bottom's protection device, wherein the surface of top rod is movably connected with the inner chamber of hollow column, and the top of top rod is fixedly connected with limiting plate through welding form.
[0011] Compared with the prior art, the utility model has the advantages of the following:
[0012] 1、 the utility model discloses when needing to fix the connecting column on the trampoline main body, first, the connecting column is inserted on the trampoline main body, then the connecting column is primarily fixed on the trampoline main body through the mounting plate and fixed bolt, then the fixed screw bush is sleeved on the bottom of connecting column, at this moment, the rotating plate is rotated, the fixed screw bush is rotated through the rotating plate, when the top of fixed screw bush contacts the bottom of trampoline main body, the connecting column can be fixed secondly, in the process that the rotating plate moves upward, the rotating plate will drive the top rod to move upward, the top rod will drive the limiting plate to move upward, the spring can be extruded through the limiting plate, when the rotating plate does not rotate, the limiting plate can be driven downward through the inertia of spring, the pressure is given to the top rod through the limiting plate, the rotating plate can be pressed downward through the top rod, so that the internal thread in the fixed screw bush and the external thread on the connecting column contact more closely, thereby avoiding the rotating plate from loosening, the fixed screw bush on the rotating plate can better fix the connecting column, avoiding the loosening of connecting column, and the use effect of connecting column is not good.
[0013] 2、 the utility model discloses through the support frame, the trampoline main body can be fixed, so that the trampoline main body is better in use, avoiding the trampoline main body from moving in use, and the trampoline main body is not safe in use.
[0014] Through the antiskid thread, the rotating plate can be prevented from falling off when the user rotates the rotating plate.
[0015] Through the connecting piece, the hollow column can be fixed, so that the components in the hollow column are more stable during use, and the hollow column is prevented from shaking during use, and the components in the hollow column are prevented from being unstable. BRIEF DESCRIPTION OF DRAWINGS
[0016] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
[0017] Figure 1 It is a schematic view of the protective assembly structure of the utility model;
[0018] Figure 2 It is a schematic view of the protective assembly structure of the utility model;
[0019] Figure 3 It is a schematic view of the protective assembly structure of the utility model Figure 2 It is a schematic view of the protective assembly structure of the utility model;
[0020] Figure 4 It is a schematic view of the protective assembly structure of the utility model;
[0021] Figure 5 It is a schematic view of the protective assembly structure of the utility model;
[0022] In the drawings: 1, trampoline main body; 2, support frame; 3, protective assembly; 301, connecting column; 302, safety ring network; 303, mounting plate; 304, fixed bolt; 305, hollow column; 306, rotating plate; 307, fixed screw sleeve; 308, connecting block; 309, spring; 3010, limiting plate; 3011, top rod. DETAILED DESCRIPTION
[0023] Several embodiments of the present application will be described hereinafter with reference to the drawings. Numerous specific details will be set forth in connection with the embodiments discussed in various portions of the specification. It should be understood that these specifics are included for illustrative purposes only and does not limit the application. In other words, while the application will be described in conjunction with embodiments, it will be understood that they are not intended to limit the application to these embodiments. On the contrary, the application is intended to cover all alternatives, modifications, and equivalents. Furthermore, in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be recognized that the application can be practiced without the specific details set forth herein. In other instances, well-known methods have not been described in detail, since it is understood that such methods are within the skills of persons of ordinary skill in the art.
[0024] Please refer to Figures 1-5The utility model discloses a trampoline safety net bottom's protection device, including trampoline main part 1, and the top of trampoline main part 1 is equipped with the protection assembly 3, and the protection assembly 3 includes six connecting columns 301, and six connecting columns 301 are set in the inner chamber of trampoline main part 1, and the bottom of connecting column 301 surface fixedly covers and is equipped with the mounting plate 303, and the inner chamber of mounting plate 303 is fixedly connected with trampoline main part 1 through fixed bolt 304, and the bottom of connecting column 301 is screw -threaded and is connected with fixed screw nut 307, and the bottom of fixed screw nut 307 is equipped with the rotating plate 306, and the both sides of connecting column 301 are equipped with hollow column 305, and the inner chamber of hollow column 305 is equipped with the top rod 3011, and the top of top rod 3011 is equipped with the limit plate 3010, and the top of limit plate 3010 and the connecting place of hollow column 305 are equipped with spring 309, and the bottom of limit plate 3010 is equipped with top rod 3011, and the bottom of top rod 3011 and rotating plate 306 are in close contact, and the top of connecting column 301 inboard is fixedly connected with the safety ring net 302, and the bottom of safety ring net 302 is fixedly connected with trampoline main part 1, when the utility model needs to fix connecting column 301 on trampoline main part 1, first, connecting column 301 is inserted on trampoline main part 1, then, connecting column 301 is primarily fixed on trampoline main part 1 through mounting plate 303 and fixed bolt 304, then, fixed screw nut 307 is covered on the bottom of connecting column 301, at this moment, rotating rotating plate 306, fixed screw nut 307 is rotated through rotating plate 306, when the top of fixed screw nut 307 contacts the bottom of trampoline main part 1, can the secondary fixing of connecting column 301, in the process that rotating plate 306 moves upwards, rotating plate 306 will drive top rod 3011 to move upwards, and top rod 3011 will drive limit plate 3010 to move upwards, and limit plate 3010 can extrude spring 309, when rotating plate 306 does not rotate, limit plate 3010 can be driven downwards through the inertia of spring 309, and limit plate 3010 gives pressure to top rod 3011, and top rod 3011 can prop against rotating plate 306 downwards, so that the inner thread in fixed screw nut 307 and the outer thread on connecting column 301 contact more closely, further avoid that rotating plate 306 appears loose, and the fixed screw nut 307 on rotating plate 306 is better to the fixed effect of connecting column 301, avoid that connecting column 301 appears loose, and the condition of bad use effect of connecting column 301 is caused.
[0025] The bottom of trampoline main part 1 is fixedly connected with four support frames 2 at equal distance, and the bottom of support frame 2 is equipped with anti -skid particle, and the utility model discloses through support frame 2, can play the fixed role to trampoline main part 1, so that trampoline main part 1 is better in use effect, avoids trampoline main part 1 to appear the movement when using, further leads to the unsafe condition of trampoline main part 1 use.
[0026] The surface of the rotating plate 306 is provided with anti-skid threads, and the number of the anti-skid threads is not less than fifteen.
[0027] The top of the hollow column 305 is fixedly connected with the trampoline body 1 through the connecting block 308, and the two hollow columns 305 are centrally symmetrically arranged about the connecting column 301.
[0028] The bottom surface of the connecting column 301 is provided with external threads, and the inner cavity of the fixing sleeve 307 is provided with internal threads matched with the external threads.
[0029] The surface of the top rod 3011 is movably connected with the inner cavity of the hollow column 305, and the top of the top rod 3011 is fixedly connected with the limiting plate 3010 through welding.
[0030] When the connecting column 301 needs to be fixed on the trampoline body 1, the connecting column 301 is first inserted into the trampoline body 1, and then the connecting column 301 is preliminarily fixed on the trampoline body 1 through the mounting plate 303 and the fixing bolt 304, and then the fixing sleeve 307 is sleeved on the bottom of the connecting column 301, at this time, the rotating plate 306 is rotated to drive the fixing sleeve 307 to rotate, and when the top of the fixing sleeve 307 contacts the bottom of the trampoline body 1, the connecting column 301 is secondarily fixed, in the process of upward movement of the rotating plate 306, the rotating plate 306 drives the top rod 3011 to move upward, the top rod 3011 drives the limiting plate 3010 to move upward, the spring 309 is pressed through the limiting plate 3010, when the rotating plate 306 does not rotate, the limiting plate 3010 is driven downward by the inertia of the spring 309, the pressure is applied to the top rod 3011 through the limiting plate 3010, and the rotating plate 306 is pressed downward through the top rod 3011, so that the internal threads in the fixing sleeve 307 and the external threads on the connecting column 301 are more closely contacted, thereby avoiding loosening of the rotating plate 306, improving the fixing effect of the fixing sleeve 307 on the connecting column 301, and avoiding loosening of the connecting column 301.
[0031] The above only describes the embodiments of the present application, and is not used to limit the present application. The present application can be variously changed and modified by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.
Claims
1. A protective device for the bottom of a trampoline safety net, comprising a trampoline body (1), characterized in that: The top of the trampoline body (1) is provided with a protective component (3), which includes six connecting posts (301). The six connecting posts (301) are sleeved in the inner cavity of the trampoline body (1). The bottom surface of the connecting posts (301) is fixedly fitted with a mounting plate (303), and the inner cavity of the mounting plate (303) is fixedly connected to the trampoline body (1) by fixing bolts (304). The bottom of the connecting posts (301) is threaded with a fixing sleeve (307), and the bottom of the fixing sleeve (307) is provided with a rotating plate (306). Both sides of the connecting posts (301) are provided with... A hollow column (305) is provided with a top rod (3011) in its inner cavity. A limiting plate (3010) is provided at the top of the top rod (3011), and a spring (309) is provided at the connection between the top of the limiting plate (3010) and the hollow column (305). A top rod (3011) is provided at the bottom of the limiting plate (3010), and the bottom of the top rod (3011) is in close contact with the rotating plate (306). A safety ring net (302) is fixedly connected to the top of the inner side of the connecting column (301), and the bottom of the safety ring net (302) is fixedly connected to the trampoline body (1).
2. The protective device for the bottom of a trampoline safety net according to claim 1, characterized in that: The bottom of the trampoline body (1) is fixedly connected with four support frames (2) at equal intervals, and the bottom of the support frames (2) is provided with anti-slip particles.
3. The protective device for the bottom of a trampoline safety net according to claim 1, characterized in that: The surface of the rotating plate (306) is provided with anti-slip threads, and the number of anti-slip threads is not less than fifteen.
4. The protective device for the bottom of a trampoline safety net according to claim 1, characterized in that: The top of the hollow column (305) is fixedly connected to the trampoline body (1) by a connecting block (308), and the two hollow columns (305) are arranged in a centrally symmetrical manner about the connecting column (301).
5. The protective device for the bottom of a trampoline safety net according to claim 1, characterized in that: The bottom of the surface of the connecting column (301) is provided with an external thread, and the inner cavity of the fixing sleeve (307) is provided with an internal thread that matches the external thread.
6. The protective device for the bottom of a trampoline safety net according to claim 1, characterized in that: The surface of the top rod (3011) is movably connected to the inner cavity of the hollow column (305), and the top of the top rod (3011) is fixedly connected to the limiting plate (3010) by welding.