CN219375981U - Trampoline with foldable frame - Google Patents
Trampoline with foldable frame Download PDFInfo
- Publication number
- CN219375981U CN219375981U CN202320702481.5U CN202320702481U CN219375981U CN 219375981 U CN219375981 U CN 219375981U CN 202320702481 U CN202320702481 U CN 202320702481U CN 219375981 U CN219375981 U CN 219375981U
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- frame
- release
- link
- locking
- trampoline
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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Abstract
The utility model relates to the technical field of trampolines, in particular to a trampoline with a foldable frame; frame body, jump cloth are provided with on the short frame and can release by the elastic component is right frame body produces the release mechanism of pretightning force, release mechanism includes: the release frame is of a U-shaped frame structure and is arranged above one short frame and part of the structures of the two long frames of the frame body; the two telescopic cylinders are symmetrically arranged on two sides of the release frame and are used for controlling the rotation rate of the release frame; the elastic piece located in the position of the release frame is connected with the release frame, the rest elastic piece is connected with the frame body, when the trampoline frame is folded, the release frame can release pretightening force generated by the elastic piece, meanwhile, the rotating speed of the release frame can be controlled, trouble and labor are saved, the folding safety of the trampoline frame is improved, and injuries to users are avoided.
Description
Technical Field
The utility model relates to the technical field of trampolines, in particular to a trampoline with a foldable frame.
Background
With the popularity of the trampoline market, more and more households use trampolines as children's toys. However, because the trampoline is provided with the spring, the trampoline frame folds the trampoline body through the U-shaped piece, and very large rebound force exists in the folding process, the folding speed can not be controlled during folding, and the trampoline frame is easy to injure people.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides the trampoline with the foldable frame, which is reasonable in structural arrangement and convenient to operate.
The utility model provides a trampoline with a foldable frame, which comprises:
the frame body is a rectangular frame structure formed by surrounding two long frames and two short frames, an accommodating space is formed in the frame body, and the long frames can be folded;
the jumping cloth is arranged in the accommodating space, and the edge of the jumping cloth is fixed on the frame body through an elastic piece;
wherein, the liquid crystal display device comprises a liquid crystal display device,
the short frame of one side is provided with a release mechanism which can release the pretightening force generated by the elastic piece to the frame body, and the release mechanism comprises:
the release frame is of a U-shaped frame structure and is arranged above one short side frame and part structures of the two long frames of the frame body, and the end parts of the release frame are hinged with the two long frames of the frame body, so that the release frame can rotate around a hinge point;
the two telescopic cylinders are symmetrically arranged on two sides of the release frame and comprise a cylinder barrel and a piston rod, the cylinder barrel is fixed on the frame body, the piston rod is fixed with the release frame, and the telescopic cylinders are used for controlling the rotation rate of the release frame;
the elastic piece positioned at the position of the release frame is connected with the release frame, and the rest elastic pieces are connected with the frame body; when the frame body is lifted upwards around the hinging point, the telescopic cylinder stretches at a certain speed to control the rotation speed of the release frame until the elastic piece returns to the natural length, and the pretightening force of the elastic piece on the frame disappears.
In this technical scheme, when trampoline frame is folding, the release frame can release the pretightning force that produces by the elastic component, can control the slew velocity of release frame simultaneously, and it is laborsaving to save trouble, has improved trampoline frame folding security, avoids causing the injury to the user.
In some embodiments of the present application, the release frame includes a first link, a second link, a third link, the first link is parallel to the third link, the second link is perpendicular to the first link, the third link, and the second link is connected with the first link, an end of the third link, the second link set up in the frame body short frame top, the first link the third link set up respectively in two of the frame body one side of long frame.
In some embodiments of the present application, when the trampoline is in use, in order to increase the safety of releasing the frame and the frame body is provided with locking mechanism on the short frame, the locking mechanism includes:
the fixing piece comprises a first fixing plate and a second fixing plate which are vertically fixed at the bottom of the short frame and are arranged in parallel, and a guide hole is formed in the second fixing plate;
one end of the connecting rod is fixed on the first fixed plate, and the other end of the connecting rod is provided with a lock tongue which can slide along the connecting rod;
the locking pressure spring is arranged on the connecting rod in a penetrating way, and one end of the locking pressure spring is fixed with the lock tongue; the lock tongue penetrates out of the guide hole on the second fixing plate under the pressure action of the locking pressure spring.
In some embodiments of the present application, a rotary locking plate is disposed on the inner side of the second connecting rod, the rotary locking plate extends downward perpendicular to the second connecting rod, a locking hole is formed in the rotary locking plate, and the lock tongue passes through the locking hole to lock the release frame.
In some embodiments of the present application, a guide groove extending along a length direction of the locking spring is formed in an end, close to the locking spring, of the locking spring, the locking spring moves, and the other end of the connecting rod slides in the guide groove.
In some embodiments of the present application, the one end that the spring bolt is close to the second fixed plate is provided with downwardly extending inclined guide surface, rotatory locking plate moves down, the guide surface receives decurrent pressure, the spring bolt follows the connecting rod moves backward, the spring bolt with when locking hole contacts, the pressure of spring bolt disappears, stretches out to the locking hole is outside, is convenient for release frame locks with the short frame of frame body.
In some embodiments of the present application, a handle is further disposed at an end of the lock tongue close to the locking compression spring, the handle moves toward the first fixing plate, the lock tongue is separated from the locking hole, and the release frame rotates upwards.
In some embodiments of the present application, the two long frames of the frame body are provided with a hinge member at a middle position thereof, and the long frames are foldable.
In some embodiments of the present application, a leg is further provided below the bezel body for supporting the trampoline, the leg being foldable.
Based on the technical scheme, when the trampoline frame is folded, the releasing frame can release the pretightening force generated by the elastic piece, and meanwhile, the rotating speed of the releasing frame can be controlled, so that trouble and labor are saved, the folding safety of the trampoline frame is improved, and the damage to a user is avoided;
the release frame can be lifted by pulling the lock tongue, the lifting speed of the telescopic cylinder is controlled, the operation is convenient, time and labor are saved, the trampoline frame is folded, the trampoline frame is convenient to store, and the problems of large occupied space and difficult storage after the trampoline frame is folded are solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
fig. 1 is a schematic structural view of a frame body in an unfolded state according to an embodiment of the present utility model;
FIG. 2 is a schematic view illustrating a structure of a release frame according to an embodiment of the present utility model when folded;
FIG. 3 is a schematic view illustrating a structure of a release frame according to another embodiment of the present utility model when folded;
FIG. 4 is a schematic perspective view of a locking mechanism according to an embodiment of the present utility model;
FIG. 5 is a right side view of the locking mechanism and the rotary locking plate in a locked state according to an embodiment of the present utility model;
FIG. 6 is a schematic perspective view of a locking mechanism and a rotary locking plate in a locked state according to an embodiment of the present utility model;
fig. 7 is a schematic view of the trampoline according to the embodiment of the present utility model in a folded state.
In the drawing the view of the figure,
20. a frame body; 22. a long frame; 23. a short frame; 24. releasing the frame; 241. a first link; 242. a second link; 2421. rotating the locking plate; 2422. a locking hole; 243. a third link; 25. a telescopic cylinder; 26. a locking mechanism; 261. a fixing member; 2611. a first fixing plate; 2612. a second fixing plate; 2613. a connecting transverse plate; 2614. a fixing hole; 2615. a guide hole; 262. a connecting rod; 263. a bolt; 2631. a guide surface; 2632. a handle; 264. locking a pressure spring; 30. jumping cloth; 40. a support leg; 50. and (3) a spring.
Detailed Description
The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or a third "may explicitly or implicitly include one or more such feature.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In order to avoid the rebound of the trampoline, the trampoline is installed with a certain pretightening force, and as a plurality of springs exist in one trampoline, the frame is always in a tightening force state, and the trampoline is folded when the pretightening force exists, so that the frame can be folded rapidly in the folding process, and people cannot control the trampoline to hurt people.
To solve the above problems, the frame-foldable trampoline of this embodiment, as shown in fig. 1 to 3, includes:
the frame body 20 is a rectangular frame structure surrounded by two long frames 22 and two short frames 23, an accommodating space is formed in the frame body, and the long frames 22 can be folded;
the jumping cloth 30 is arranged in the accommodating space, and the edge of the jumping cloth 30 is fixed on the frame through an elastic piece 50;
the short frame 23 on one side is provided with a release mechanism capable of releasing the pretightening force generated by the elastic member 50 to the frame body 20, and the release mechanism includes:
the release frame 24 is in a U-shaped frame structure and is arranged above part structures of a short frame 23 and two long frames 22 of the frame body 20, and the end part of the release frame 24 is hinged with the two long frames 22 of the frame body 20, so that the release frame 24 can rotate around a hinge point 27;
the two telescopic cylinders 25 are symmetrically arranged on two sides of the release frame 24, the telescopic cylinders 25 incline when extending and comprise cylinder barrels and piston rods, the cylinder barrels are fixed on the inner side of the long frame 22 of the frame body 20, the piston rods are fixed with the bottom end of the release frame 24, and the telescopic cylinders 25 are used for controlling the rotation rate of the release frame 24;
one end of the elastic piece 50 positioned at the position of the release frame 24 is connected with the jump cloth 30, the other end is connected with the release frame 24, and the rest elastic pieces are connected with the frame body 20; when the frame body 20 is lifted upwards around the hinge point 26, the telescopic cylinder 25 controls the release frame 24 to slowly lift upwards at a certain speed, so that injury to a person is avoided, the jumping cloth 50 is bent to a certain extent, the elastic piece 50 returns to the natural length, the pretightening force of the frame body 20 by the elastic piece 50 disappears, and then the long frame 22 of the frame body 20 is folded in half.
In this embodiment, when the trampoline frame is folded, the pretightning force generated by the elastic element 50 can be released by the release frame 24, and meanwhile, the rotation speed of the release frame 24 can be controlled by the arrangement of the telescopic cylinder 25, so that trouble and effort are saved, the folding safety of the trampoline frame is improved, and the injury to a user is avoided.
As shown in fig. 3, the release frame 24 includes a first link 241, a second link 242, and a third link 243, the first link 241 is parallel to the third link 243, the second link 242 is perpendicular to the first link 241 and the third link 243, the second link 242 connects ends of the first link 241 and the third link 243 near the short side frame 23, the second link 242 is disposed above the short side frame 23 of the frame body 20, and the first link 241 and the third link 243 are disposed above the two long side frames 22 of the frame body 20, respectively.
In the process of unfolding the trampoline for use, in order to ensure the connection firmness of the release frame 24 and the frame body 20 and improve the safety, a locking mechanism is arranged on the short frame 23 of the frame body 20, as shown in fig. 4-6, and the locking mechanism 26 includes:
the fixing piece 261 in this embodiment, the fixing piece 261 is in an inverted "U" structure, and includes a first fixing plate 2611 and a second fixing plate 2612 that are vertically and parallelly arranged, wherein the top ends of the first fixing plate 2611 and the second fixing plate 2612 are connected through a connecting transverse plate 2613, the connecting transverse plate 2613 is fixed at the bottom of the short frame 23 through a bolt, the first fixing plate 2611 is provided with a fixing hole 2614, and the second fixing plate 2612 is provided with a guiding hole 2615;
a connecting rod 262, one end of which is fixed on the first fixed plate 2611, and the other end of which is provided with a lock tongue 263, wherein the lock tongue 263 can slide back and forth along the connecting rod 262;
a locking compression spring 264 penetrating the connecting rod 262, wherein one end of the locking compression spring is a movable end, and the other end of the locking compression spring is fixed with the lock tongue 263; the locking bolt 263 can be penetrated out of the guide hole 2615 of the second fixing plate 2612 by the outward elastic pressure of the locking compression spring 264.
In order to lock and contact the release bezel 24 with the bezel body 20 for convenient operation, as shown in fig. 3, a rotation locking plate 2421 with a rectangular plate structure is provided on the inner side of the second link 242, the rotation locking plate 2421 extends downward perpendicular to the second link 242, a rectangular locking hole 2422 is formed on the rotation locking plate 2421, and the lock tongue 263 passes through the locking hole 2422 to lock the release bezel 24.
In this embodiment, the orthographic projection surface of the lock tongue 263 has a right trapezoid shape, one end of the lock tongue 263, which is close to the locking compression spring 264, is inwardly provided with a horizontal guide groove (not shown) extending along the length direction thereof, the lock tongue 263 moves, and the other end of the connecting rod 262 slides in the guide groove. The locking bolt 263 is provided with a guide surface 2631 extending obliquely downward near one end of the second fixing plate 2612, the rotary locking plate 2421 moves downward, the guide surface 2631 receives downward pressure, the locking bolt 263 moves backward along the connecting rod 262, when the rotary locking plate 2421 moves to the locking hole 2422 to contact with the locking bolt 263, the locking bolt 263 is not pressed any more, the locking bolt 263 stretches out of the locking hole 2422 under the pushing force of the locking pressure spring 264, and the frame 24 is released to lock with the short frame 23 of the frame body 20.
With continued reference to fig. 4, the end of the lock bolt 263 near the locking pressure spring 264 is further provided with a handle 2632, in this embodiment, the handle 2632 is a plate structure with a rear end surface of the lock bolt 263 extending horizontally towards two sides, and is parallel to the first fixing plate 2611, the handle 2632 is pushed to move towards the first fixing plate 2611, the locking pressure spring 264 is compressed, the lock bolt 263 is separated from the locking hole 2422, the release frame 24 is rotated upwards, and the telescopic cylinder 25 controls the rotation rate of the release frame 25.
As shown in fig. 7, a hinge 221 is disposed at a middle position of two long frames 22 of the frame body 20, so that the long frames 221 can be folded in half, and the hinge 221 is a relatively conventional mechanical structure capable of being folded in half in the prior art, and the structure thereof will not be described again.
Legs 40 are also provided below the frame body 20 for supporting the trampoline, the legs 40 being foldable.
When the trampoline of the above embodiment is folded: the handle 2632 is pushed to move towards the first fixing plate 2611, the locking pressure spring 264 is compressed, the lock tongue 263 is separated from the locking hole 2422, the release frame 24 is lifted upwards, the pretightening force of the spring is released, and the lock tongue 263 automatically rebounds and returns to the original position after the hand is released; because the springs in the initial state have pretightening force, the trampoline of this embodiment will have a tensile force of about 700N at the moment when the release frame 24 lifts up, and will pull up the release frame 24 in the moment, at this time, the two telescopic cylinders 25 can slow down the speed of bouncing, and the tensile force of telescopic cylinders 25 is 200N, can offset a part of tensile force, can slow down the motion speed of release frame 24 like this, until after the pretightening force release on short frame 23, release frame 24 is accomplished, the piston rod of telescopic cylinders 25 reaches the maximum position, and then will trampoline fifty percent discount along hinge 221 in the middle of long frame 22.
When the trampoline is opened and used, the trampoline is unfolded along the hinge part 221 in the middle of the long frame 22, the rotary locking plate 2421 is pressed down, the rotary locking plate 2421 is enabled to touch the guide surface 2631 of the lock tongue 263, the inner side of the lock tongue 263 is pushed along the guide surface 2631 in the process of pressing down the rotary locking plate 2421 until the lock tongue 263 enters the locking hole 2422, and then the telescopic cylinder 25 is compressed to the lowest position.
When the trampoline frame is folded, the releasing frame can release the pretightening force generated by the elastic piece, and meanwhile, the rotating speed of the releasing frame can be controlled, so that trouble and labor are saved, the folding safety of the trampoline frame is improved, and the damage to a user is avoided;
the release frame can be lifted by pulling the lock tongue, the lifting speed is controlled by the telescopic cylinder, the operation is convenient, time and labor are saved, the trampoline frame is folded, and the transportation cost is greatly reduced.
Finally, it should be noted that: in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.
Claims (9)
1. A trampoline with a foldable frame, comprising:
the frame body is a rectangular frame structure formed by surrounding two long frames and two short frames, an accommodating space is formed in the frame body, and the long frames can be folded;
the jumping cloth is arranged in the accommodating space, and the edge of the jumping cloth is fixed on the frame body through an elastic piece;
the short frame of one side is provided with a release mechanism which can release the pretightening force generated by the elastic piece to the frame body, and the release mechanism comprises:
the release frame is of a U-shaped frame structure and is arranged above one short side frame and part structures of the two long frames of the frame body, and the end parts of the release frame are hinged with the two long frames of the frame body, so that the release frame can rotate around a hinge point;
the two telescopic cylinders are symmetrically arranged on two sides of the release frame and comprise a cylinder barrel and a piston rod, the cylinder barrel is fixed on the frame body, the piston rod is fixed with the release frame, and the telescopic cylinders are used for controlling the rotation rate of the release frame;
the elastic piece located at the position of the release frame is connected with the release frame, and the rest elastic pieces are connected with the frame body.
2. The frame-foldable trampoline of claim 1, wherein the release frame includes a first link, a second link, and a third link, the first link is parallel to the third link, the second link is perpendicular to the first link and the third link, and the second link connects one end of the first link and the third link, the second link is disposed above the short frame of the frame body, and the first link and the third link are disposed on one side of two long frames of the frame body, respectively.
3. The frame-collapsible trampoline of claim 2, wherein the short frame of the frame body is provided with a locking mechanism, the locking mechanism comprising:
the fixing piece comprises a first fixing plate and a second fixing plate which are vertically fixed at the bottom of the short frame and are arranged in parallel, and a guide hole is formed in the second fixing plate;
one end of the connecting rod is fixed on the first fixed plate, and the other end of the connecting rod is provided with a lock tongue which can slide along the connecting rod;
the locking pressure spring is arranged on the connecting rod in a penetrating way, and one end of the locking pressure spring is fixed with the lock tongue; the lock tongue penetrates out of the guide hole on the second fixing plate under the pressure action of the locking pressure spring.
4. A trampoline according to claim 3 wherein the inner side of the second link is provided with a rotary locking plate extending downwardly perpendicular to the second link, the rotary locking plate having a locking aperture therein, the locking tongue passing through the locking aperture to lock the release frame.
5. The trampoline of claim 4, wherein one end of the locking spring, which is adjacent to the locking spring, is provided with a guide groove extending along a length direction thereof, the locking spring moves, and the other end of the connecting rod slides in the guide groove.
6. The frame-foldable trampoline of claim 5, wherein an end of the locking tongue adjacent to the second fixing plate is provided with a downwardly extending inclined guide surface.
7. The frame-collapsible trampoline of claim 6 wherein the locking tongue further comprises a handle at an end thereof adjacent to the locking compression spring.
8. The frame-foldable trampoline of claim 1, wherein a hinge is provided at a middle position of the two long frames of the frame body, and the long frames are folded in half around the hinge.
9. The frame-collapsible trampoline of claim 8, wherein the frame body is further provided with collapsible legs below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320702481.5U CN219375981U (en) | 2023-03-31 | 2023-03-31 | Trampoline with foldable frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320702481.5U CN219375981U (en) | 2023-03-31 | 2023-03-31 | Trampoline with foldable frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219375981U true CN219375981U (en) | 2023-07-21 |
Family
ID=87170220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320702481.5U Active CN219375981U (en) | 2023-03-31 | 2023-03-31 | Trampoline with foldable frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219375981U (en) |
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2023
- 2023-03-31 CN CN202320702481.5U patent/CN219375981U/en active Active
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