Folding trampoline

Abstract

The folding trampoline comprises a trampoline body structure, a fastening connecting piece is arranged on the surface of the rear side of the trampoline body structure, a handrail supporting column is connected into the fastening connecting piece in a sleeved mode, and a handrail is connected to the top end of the handrail supporting column in an inserted mode; the trampoline body structure comprises a rear side U-shaped pipe and a front side U-shaped pipe hinged to the front end of the rear side U-shaped pipe. According to the technical scheme, the trampoline framework is designed in a split mode, the two half U-shaped pipes are hinged through the C-shaped connecting plate, the two frameworks form a whole after the two plug pins are inserted into the C-shaped connecting plate, the two half frameworks can be folded in half after the plug pin on the upper portion is pulled out, and the effect of facilitating transportation and storage is achieved; in addition, the fastening connecting piece is arranged between the handrail and the framework, so that the height distance of the handrail can be steplessly adjusted up and down.

Description

Technical Field

[0001] The invention relates to the technical field of trampoline equipment, and in particular to a folding trampoline. Background Art

[0002] Trampoline is a sport that uses the rebound of a trampoline to perform acrobatic skills in the air and is loved by many people. At present, most trampoline equipment on the market is in the form of a circular or rectangular frame with elastic bands and trampoline cloths, and supporting legs are arranged under the frame. Moreover, the handrails on the trampoline are basically fixed on the frame. Even if the height can be adjusted, it cannot be adjusted infinitely. In addition, the frame of the trampoline is integrated, which makes it inconvenient to transport and store. Therefore, a technician in this field proposes a solution for a foldable trampoline. Summary of the invention

[0003] The purpose of the present invention is to provide a technical solution for a folding trampoline to solve the shortcomings mentioned in the background technology. In order to solve the disadvantages and defects mentioned in the background technology, the technical solution of the present invention has the following contents:

[0004] It comprises a trampoline bed structure, the rear side surface of which is provided with a fastening connector, the interior of which is sleeved with a handrail support column, and the top end of which is plugged with a handrail;

[0005] The trampoline bed structure includes a rear U-shaped tube, a front U-shaped tube hinged at the front end of the rear U-shaped tube, the bottom surfaces of the rear U-shaped tube and the front U-shaped tube are fixedly connected with an external thread joint, a bed leg is screwed and fixed on the outer ring surface of the external thread joint, and the ends of the rear U-shaped tube and the front U-shaped tube close to each other are fixedly connected with a C-shaped connecting plate, wherein the two C-shaped connecting plates on the front end of the rear U-shaped tube are inserted into the two C-shaped connecting plates at the rear end of the front U-shaped tube, and two pins are inserted through the inside of the C-shaped connecting plates;

[0006] The fastening connector includes a plastic lining wrapped on the outer ring surface of the handrail support column, and a sleeve embraced on the outer surface of the plastic lining, an internal threaded seat is fixed to the rear surface of the sleeve, a screw is rotatably arranged inside the internal threaded seat, one end of the screw located in the inner cavity of the sleeve is connected to an iron sheet in contact with the rear surface of the plastic lining, and the end of the screw located outside the inner cavity of the sleeve is connected to a rotary handle; an L-shaped connecting plate is fixedly connected to the front end surface of the sleeve, a vertical bolt that vertically penetrates the rear U-shaped tube is fixed to the upper surface of the L-shaped connecting plate, and a transverse bolt that straightly penetrates the rear U-shaped tube is fixed to the rear surface of the L-shaped connecting plate.

[0007] As a preferred solution of the present invention: the cross-sections of the rear U-shaped tube and the front U-shaped tube are both "U"-shaped, a plurality of threads are arranged on the outer ring surface of the external threaded joint, and a plurality of threads are opened in the top port of the bed leg.

[0008] As a preferred solution of the present invention: the left and right sides of the C-shaped connecting plate are provided with holes for inserting the pins. After the top pin is pulled out, the rear U-shaped tube and the front U-shaped tube rotate along the bottom pin axis as the reference line.

[0009] As a preferred solution of the present invention: a notch is provided on both the left and right side surfaces of the plastic liner, so as to provide space for the plastic liner to deform and shrink inward after the screw is rotated and extruded.

[0010] As a preferred solution of the present invention: the vertical cross-section of the L-shaped connecting plate is L-shaped, the upper surface of the L-shaped connecting plate is provided with threaded holes for vertical bolts to pass through, and the rear side surface of the L-shaped connecting plate is provided with threaded holes for horizontal bolts to pass through; wherein the vertical bolts and the horizontal bolts are vertically arranged at 90°.

[0011] As a preferred solution of the present invention: a vertical through hole for vertical bolts to pass through is opened in the middle section of the rear U-shaped tube, and a parallel through hole for horizontal bolts to pass through is opened in the middle section of the rear U-shaped tube.

[0012] As a preferred solution of the present invention: two front and rear reinforcing plates are welded in the inner cavity of the armrest support column, and the reinforcing plates divide the inner cavity space of the armrest support column into three parts: left, middle and right, wherein a bayonet is opened on the left and right side surfaces of the armrest support column.

[0013] As a preferred solution of the present invention: a middle section rod inserted into the middle space of the armrest support column is fixed in the middle area of ​​the bottom end of the armrest, and two side rods inserted into the left and right spaces of the armrest support column are fixed on the left and right sides of the bottom end of the armrest, a support strip is fixed inside the side rods, and a pin that is adapted to engage with the bayonet is fixed on the surface of the support strip away from the side rods.

[0014] In the above technical solution, the technical effects and advantages provided by the present invention are:

[0015] In the technical solution of the present invention, the trampoline frame is designed to be split, and the two halves of the U-shaped tube are hinged by a C-shaped connecting plate. After two pins are inserted into the C-shaped connecting plate, the two frames form a whole. After the upper pins are pulled out, the two halves of the frame can be folded against each other, which facilitates transportation and storage. In addition, a fastening connector is provided between the armrest and the frame, so that the height distance of the armrest can be infinitely adjusted up and down. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0017] Figure 1 This is a schematic diagram of the overall structure of the folding trampoline after assembly;

[0018] Figure 2 This is a schematic diagram of a trampoline handrail;

[0019] Figure 3 For attachment Figure 2 Schematic diagram after enlarging area A in FIG.

[0020] Figure 4 It is a schematic diagram of the fastening connection between the trampoline handrail and the bed body;

[0021] Figure 5 A schematic diagram of a trampoline body.

[0022] Description of reference numerals:

[0023] 1. Trampoline bed structure; 11. U-shaped tube at the rear; 12. C-shaped connecting plate; 13. Latch; 14. U-shaped tube at the front; 15. External threaded joint; 16. Bed leg; 2. Armrest support column; 3. Fastening connector; 31. Casing; 32. Notch; 33. Internal threaded seat; 34. Screw; 35. Rotary handle; 36. Plastic lining; 37. Vertical bolt; 38. L-shaped connecting plate; 39. Horizontal bolt; 4. Armrest; 5. Side plug rod; 6. Support bar; 7. Pin; 8. Bayonet; 9. Reinforcement plate; 10. Middle plug rod. DETAILED DESCRIPTION

[0024] In order to more clearly explain and illustrate the technical solution and implementation of the present invention, several preferred specific embodiments for implementing the technical solution of the present invention are introduced below.

[0025] The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, and use. It should be understood that in all of these figures, the same or similar figure numbers indicate the same or similar parts and features. The various figures only schematically represent the concepts and principles of the embodiments of the present disclosure, and do not necessarily show the specific dimensions and proportions of the various embodiments of the present disclosure. Specific parts in specific drawings may use exaggerated methods to illustrate the relevant details or structures of the embodiments of the present disclosure. The various publications, patents, and published patent specifications cited herein are incorporated herein by reference in their entirety. The technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention.

[0026] Embodiment, a better technical solution for a folding trampoline.

[0027] Refer to the instruction manual Figure 1 As shown: it includes a trampoline bed structure 1, a fastening connector 3 is arranged on the rear surface of the trampoline bed structure 1, a handrail support column 2 is sleeved inside the fastening connector 3, and a handrail 4 is inserted at the top of the handrail support column 2; wherein, a plurality of elastic bands are sleeved on the outer surface of the rear U-shaped tube 11 and the front U-shaped tube 14, a piece of trampoline cloth located in the center is sewn on one end where the elastic bands gather together, and a layer of wrapping cloth is covered on the upper surface of the rear U-shaped tube 11 and the front U-shaped tube 14, and the elastic band, trampoline cloth and wrapping cloth are sewn together by webbing. Thus, the purpose of completely wrapping the trampoline frame is achieved, and holes and gaps appear on the trampoline frame on the back.

[0028] Refer to the instruction manual Figure 5 As shown: the trampoline bed structure 1 includes a rear U-shaped tube 11, a front U-shaped tube 14 hinged at the front end of the rear U-shaped tube 11, the bottom surfaces of the rear U-shaped tube 11 and the front U-shaped tube 14 are fixedly connected with an external thread joint 15, and a bed leg 16 is screwed and fixed on the outer ring surface of the external thread joint 15, and the ends of the rear U-shaped tube 11 and the front U-shaped tube 14 close to each other are fixedly connected with a C-shaped connecting plate 12, wherein the two C-shaped connecting plates 12 on the front end of the rear U-shaped tube 11 are inserted into the two C-shaped connecting plates 12 at the rear end of the front U-shaped tube 14, and two latches 13 are inserted through the inside of the C-shaped connecting plates 12;

[0029] Refer to the instruction manual Figure 4As shown: the fastening connector 3 includes a plastic lining 36 wrapped around the outer ring surface of the handrail support column 2, and a sleeve 31 embraced on the outer surface of the plastic lining 36, an internal threaded seat 33 is fixed to the rear side surface of the sleeve 31, a screw 34 is rotatably arranged inside the internal threaded seat 33, one end of the screw 34 located in the inner cavity of the sleeve 31 is connected to an iron sheet in contact with the rear side surface of the plastic lining 36, and the other end of the screw 34 located outside the inner cavity of the sleeve 31 is connected to a handle 35; an L-shaped connecting plate 38 is fixedly connected to the front end surface of the sleeve 31, a vertical bolt 37 that vertically penetrates the rear U-shaped tube 11 is fixed to the upper surface of the L-shaped connecting plate 38, and a transverse bolt 39 that straightly penetrates the rear U-shaped tube 11 is fixed to the rear side surface of the L-shaped connecting plate 38.

[0030] Refer to the instruction manual Figure 5 As shown: the cross-sections of the rear U-shaped tube 11 and the front U-shaped tube 14 are both "U"-shaped, a plurality of threads are arranged on the outer ring surface of the external threaded joint 15, and a plurality of threads are opened in the top port of the bed leg 16; the left and right sides of the C-shaped connecting plate 12 are provided with insertion holes for inserting the plug 13, and after the top plug 13 is pulled out, the rear U-shaped tube 11 and the front U-shaped tube 14 rotate along the axis of the bottom plug 13 as the reference line.

[0031] Refer to the instruction manual Figure 4 As shown: a notch 32 is provided on both the left and right surfaces of the plastic liner 36, which is used to provide space for the plastic liner 36 to deform and shrink inward after the screw 34 rotates and extrude. The vertical section of the L-shaped connecting plate 38 is L-shaped, and the upper surface of the L-shaped connecting plate 38 is provided with a threaded hole for the vertical bolt 37 to pass through, and the rear surface of the L-shaped connecting plate 38 is provided with a threaded hole for the horizontal bolt 39 to pass through; wherein, the vertical bolt 37 and the horizontal bolt 39 are vertically arranged at 90 degrees, and the middle section of the rear U-shaped tube 11 is provided with a vertical through hole for the vertical bolt 37 to pass through, and the middle section of the rear U-shaped tube 11 is provided with a parallel through hole for the horizontal bolt 39 to pass through.

[0032] Refer to the instruction manual Figure 3 As shown: two reinforcing plates 9 arranged front and back are welded in the inner cavity of the armrest support column 2, and the reinforcing plates 9 divide the inner cavity space of the armrest support column 2 into three parts: left, middle and right. Among them, a bayonet 8 is provided on the left and right surfaces of the armrest support column 2. A middle section plug rod 10 inserted into the middle space of the armrest support column 2 is fixed to the middle area of ​​the bottom end of the armrest 4, and two side plug rods 5 inserted into the left and right spaces of the armrest support column 2 are fixed to the left and right sides of the bottom end of the armrest 4. A support bar 6 is fixed inside the side plug rod 5, and a bayonet pin 7 adapted to engage with the bayonet 8 is fixed on the surface of the support bar 6 away from the side plug rod 5.

[0033] According to the above-mentioned preferred technical solution, the workflow of the technical solution is described as follows:

[0034] Since the C-shaped connecting plate 12 at the front end of the rear U-shaped tube 11 is wrapped by the C-shaped connecting plate 12 at the rear end of the front U-shaped tube 14, the left and right side surfaces of the two C-shaped connecting plates 12 are in contact with each other. After the upper and lower pins 13 are inserted through the C-shaped connecting plate 12, the rear U-shaped tube 11 and the front U-shaped tube 14 are in a flush posture. After retaining the lower pin 13 and pulling out the upper pin 13, the rear U-shaped tube 11 and the front U-shaped tube 14 can be rotated along the axis of the lower pin 13 and folded in half, thereby facilitating the storage of the rear U-shaped tube 11 and the front U-shaped tube 14.

[0035] Insert the middle section plug rod 10 and the side plug rod 5 at the bottom of the handrail 4 into the left, middle and right spaces at the top of the handrail support column 2. After being squeezed by the surfaces on both sides of the inner cavity of the handrail support column 2, the support bar 6 shrinks inward until the bayonet 7 is inserted into the bayonet 8, thereby realizing the connection between the handrail 4 and the handrail support column 2. At this time, move the handrail support column 2 up and down to shuttle inside the plastic lining 36. After the moving distance of the handrail support column 2 reaches the desired position, rotate the screw 34 through the rotary handle 35 to push the iron sheet inward, thereby squeezing the plastic lining 36 to deform inward and hug the outer surface of the handrail support column 2, thereby realizing the infinite change of the height of the handrail support column 2.

[0036] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A folding trampoline, comprising a trampoline bed structure (1), characterized in that: The rear surface of the trampoline bed structure (1) is provided with a fastening connector (3), an armrest support column (2) is sleeved inside the fastening connector (3), and a handrail (4) is inserted at the top end of the armrest support column (2); The trampoline bed structure (1) comprises a rear U-shaped tube (11), a front U-shaped tube (14) hinged to the front end of the rear U-shaped tube (11), the bottom surfaces of the rear U-shaped tube (11) and the front U-shaped tube (14) are fixedly connected with an external thread joint (15), the outer ring surface of the external thread joint (15) is screwed and fixed with a bed leg (16), and the ends of the rear U-shaped tube (11) and the front U-shaped tube (14) close to each other are fixedly connected with a C-shaped connecting plate (12), wherein the two C-shaped connecting plates (12) on the front end of the rear U-shaped tube (11) are inserted into the two C-shaped connecting plates (12) at the rear end of the front U-shaped tube (14), and two latches (13) are inserted through the inside of the C-shaped connecting plates (12); The fastening connector (3) comprises a plastic lining (36) wrapped around the outer surface of the handrail support column (2), and a sleeve (31) embraced on the outer surface of the plastic lining (36), the rear surface of the sleeve (31) is fixed with an internal thread seat (33), a screw (34) is rotatably arranged inside the internal thread seat (33), and one end of the screw (34) located in the inner cavity of the sleeve (31) is connected to a screw threaded rod (34) which is connected to the rear surface of the plastic lining (36). The end of the screw rod (34) located outside the inner cavity of the sleeve (31) is connected to a rotary handle (35); an L-shaped connecting plate (38) is fixedly connected to the front end surface of the sleeve (31); a vertical bolt (37) vertically penetrating the rear U-shaped tube (11) is fixed to the upper surface of the L-shaped connecting plate (38); and a transverse bolt (39) straightly penetrating the rear U-shaped tube (11) is fixed to the rear surface of the L-shaped connecting plate (38).

2. A folding trampoline according to claim 1, characterized in that: The cross sections of the rear U-shaped tube (11) and the front U-shaped tube (14) are both U-shaped, the outer surface of the external threaded joint (15) is provided with a plurality of threads, and the top port of the bed leg (16) is provided with a plurality of threads.

3. A folding trampoline according to claim 1, characterized in that: The left and right sides of the C-shaped connecting plate (12) are both provided with insertion holes for inserting the plug (13). After the top plug (13) is pulled out, the rear U-shaped tube (11) and the front U-shaped tube (14) rotate along the axis of the bottom plug (13) as a reference line.

4. A folding trampoline according to claim 1, characterized in that: The left and right side surfaces of the plastic liner (36) are each provided with a notch (32) for providing space for the plastic liner (36) to deform and shrink inward after the screw (34) rotates and extrude.

5. The folding trampoline according to claim 1, characterized in that: The vertical cross-section of the L-shaped connecting plate (38) is L-shaped, and the upper surface of the L-shaped connecting plate (38) is provided with a threaded hole for the vertical bolt (37) to pass through, and the rear side surface of the L-shaped connecting plate (38) is provided with a threaded hole for the transverse bolt (39) to pass through; wherein the vertical bolt (37) and the transverse bolt (39) are vertically arranged at 90 degrees.

6. The folding trampoline according to claim 1, characterized in that: A through hole is vertically arranged in the middle section of the rear U-shaped tube (11) for the vertical bolt (37) to pass through, and a through hole is parallelly arranged in the middle section of the rear U-shaped tube (11) for the horizontal bolt (39) to pass through.

7. The folding trampoline according to claim 1, characterized in that: Two reinforcing plates (9) arranged front and back are welded in the inner cavity of the handrail support column (2), and the reinforcing plates (9) divide the inner cavity space of the handrail support column (2) into three parts: left, middle and right. The left and right side surfaces of the handrail support column (2) are each provided with a bayonet (8).

8. The folding trampoline according to claim 1, characterized in that: A middle section plug rod (10) inserted into the middle space of the armrest support column (2) is fixed to the middle area of ​​the bottom end of the armrest (4), and two side plug rods (5) inserted into the left and right spaces of the armrest support column (2) are fixed to the left and right sides of the bottom end of the armrest (4), a support bar (6) is fixed inside the side plug rods (5), and a latch (7) adapted to engage with the latch (8) is fixed on the surface of the side of the support bar (6) away from the side plug rods (5).

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