Elastic buckle structure

Abstract

The utility model provides an elastic buckle structure which comprises an inverted-U-shaped elastic piece and at least one protruding particle arranged on the outer side wall of the elastic piece in a protruding mode, the protruding particle is provided with an upper surface and a lower surface, and the lower surface of the protruding particle is a guide inclined face inclining upwards from the outer side wall of the elastic piece to the top end of the protruding particle. The utility model has a simple structure and is safe and convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to telescopic sleeve technical field more specifically relates to a elastic buckle structure. BACKGROUND

[0002] On tent frame pole, folding table, umbrella, storage rack and other various need to use the pole support article, generally will adopt the pole piece of multi -section detachable or telescopic sleeve structure, the user is convenient to store. Multi -section detachable pole piece / telescopic sleeve needs to be assembled / fixed after being put into use.

[0003] Taking the storage rack as an example, in order to facilitate transportation, storage, its support pole piece can generally adopt multi -section pole piece, needs to be connected and fixed after mutual connection before being assembled into storage rack and being put into use, so a connecting structure is needed to make the pole piece between each other can realize the effect of mutual connection and fixation. The general common mode of prior art includes elastic buckle structure, which is provided with an elastic buckle on the end of the pole piece, and a positioning hole is provided on the end of the other pole piece. When assembling the pole piece, the elastic buckle protruding from the end of the pole piece with the elastic buckle is pressed inward, and then the end of the pole piece with the positioning hole is inserted correspondingly, so that the elastic buckle automatically extends from the positioning hole by the elastic force, preventing the two pole piece ends from being loosened, thereby realizing the positioning and fixed connection between the two pole pieces.

[0004] Taking the umbrella as an example, the umbrella pole generally has an outer tube and an inner tube. The inner tube can be telescopic relative to the outer tube, so that the umbrella pole can have different lengths and be folded or unfolded. The umbrella pole also needs to have a positioning mechanism so that it can be fixed at a length for the user to use. The existing positioning mechanism generally also adopts an elastic buckle structure. When the umbrella is opened, the elastic buckle in the inner tube penetrates the positioning hole on the outer tube and the inner tube, realizing the positioning of the umbrella pole. When the umbrella is closed, the elastic buckle is manually pressed to retract into the inner tube, releasing the locking state between the inner tube and the outer tube, and then the inner tube is folded into the outer tube.

[0005] The above-mentioned common elastic buckle structure, such as Figure 1 Generally, at least one columnar protruding particle 2' is arranged on an elastic sheet 1' ( Figure 1The cylindrical convex particles 2' are arranged perpendicularly to the surface of the elastic sheet 1', and the upper and lower surfaces thereof are horizontal. The purpose of the elastic buckle structure is generally to maintain the fixed connection between two structural members (especially a rod member), and prevent mutual loosening. However, in actual use, because the cylindrical convex particles 2' are arranged perpendicularly to the surface of the elastic sheet 1', and cannot be deformed to avoid extrusion in the vertical direction, the user inevitably needs to press the elastic buckle to expand the cylindrical convex particles 2', so that the cylindrical convex particles 2' are retracted and no longer protrude from the outer wall of the structural member, and then the cylindrical convex particles 2' can be smoothly inserted into another structural member. In this process, the user may be at risk of pinching the hand, causing the user's fingers to be injured. When multiple structural members need to be installed at the same time, the user needs to press the cylindrical convex particles 2' one by one for installation, which wastes the user's time and causes inconvenience. Content of the Utility Model

[0006] The utility model discloses a kind of elastic buckle structures with simple structure, safe and convenient use.

[0007] In order to achieve the above purpose, the utility model provides an elastic buckle structure, comprising: comprising: inverted U-shaped elastic sheet and at least one convex particle arranged on the outer side wall of the elastic sheet, the convex particle has upper surface, lower surface, and the lower surface of the convex particle is the guide inclined surface that is inclined upward from the outer side wall of the elastic sheet to the top end of the convex particle.

[0008] Further, one convex particle is arranged on the outer side wall of the elastic sheet on both sides respectively, and the two convex particles are symmetrically arranged with the vertical center line of the elastic sheet as the axis of symmetry.

[0009] Further, a notch is arranged on the side surface between the upper surface and the lower surface of the convex particle.

[0010] Further, the upper end of the elastic sheet is in the shape of an inverted triangle, and the top angle of the uppermost end is an arc-shaped angle.

[0011] Further, the elastic buckle structure further comprises a sleeve pipe, the elastic sheet is held and limited in the sleeve pipe, a through hole is arranged on the sleeve pipe corresponding to the position of the convex particle, and the convex particle protrudes on the outer wall of the sleeve pipe after passing through the through hole.

[0012] Further, the upper surface of the convex particle forms a circular arc side surface, and the tangent plane of the circular arc side surface of the upper surface of the convex particle is perpendicular to the outer side wall of the elastic sheet.

[0013] Further, the lower surface of the convex particle forms a circular arc side surface, and the tangent plane of the circular arc side surface of the lower surface of the convex particle is arranged obliquely on the outer side wall of the elastic sheet, and the top end of the convex particle forms a hemispherical surface between the outside of the upper surface and the lower surface.

[0014] Further, the elastic buckle structure is connected with the first rod and the second rod with the same inner and outer diameters, the upper end of the sleeve tube of the elastic buckle structure is inserted and fixed in the first rod, the lower end of the sleeve tube protrudes from the first rod, the convex grain protrudes from the outer wall of the lower end of the sleeve tube, the lower end of the sleeve tube protrudes from the first rod, the opening of the elastic sheet is arranged towards the second rod, the lower surface of the convex grain is proximal to the second rod, the end of the second rod is provided with a positioning hole, the lower end of the sleeve tube is inserted into the second rod, the convex grain protrudes from the outer wall of the second rod through the positioning hole of the second rod.

[0015] Further, the elastic buckle structure is arranged in a telescopic sleeve tube, the telescopic sleeve tube comprises an inner tube and an outer tube, the elastic buckle structure is arranged in the inner tube, and the opening of the elastic sheet is arranged towards the outer tube; the inner tube is provided with an inner hole for the convex grain to pass through, and the convex grain protrudes from the outer wall of the inner tube through the inner hole; and the outer tube is provided with an outer hole for the convex grain to pass through.

[0016] After the above scheme is adopted, the lower surface of the convex grain of the elastic buckle is arranged as a guide inclined surface which is inclined from the outer lateral wall of the elastic sheet to the top end of the convex grain, that is, an upwardly inclined guide inclined surface, and the elastic buckle structure is simple; when the elastic buckle is inserted into the rod for positioning / connection, the lower surface of the convex grain enters the rod first, and the lower surface of the convex grain of the elastic buckle structure is different from the case that the lower surface of the columnar convex grain is flat in the background art, the guide inclined surface of the lower surface of the convex grain can change the stress angle of the convex grain when the convex grain is extruded by the edge of the rod, the convex grain can be deformed automatically due to the extrusion of the rod, and the convex grain does not need to be pressed manually and then connected with the rod, so that time and labor are saved, and injury can be avoided. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the elastic buckle structure in the background art.

[0018] Figure 2 It is a schematic diagram of the elastic buckle structure of the utility model.

[0019] Figure 3 It is an exploded view (I) of the utility model when two rods are assembled.

[0020] Figure 4 It is an exploded view (II) of the utility model when two rods are assembled.

[0021] Figure 5 It is a schematic diagram of the utility model after assembly.

[0022] BRIEF DESCRIPTION OF DRAWINGS

[0023] 1' elastic sheet; 2' columnar convex grain;

[0024] 10 elastic buckle; 1 elastic sheet; 2 convex grain; 21 upper surface; 22 lower surface; 23 cutout; 3 sleeve tube; 31 through hole; 41 first rod; 42 second rod; 421 positioning hole. DETAILED DESCRIPTION

[0025] In order to further explain the technical scheme of the utility model, the utility model will be described in detail below through specific embodiments.

[0026] The utility model provides a kind of elastic buckle 10 structure, comprising: inverted U-shaped elastic sheet 1 and at least one convex grain 2 being arranged on the outer lateral wall of elastic sheet 1, convex grain 2 has upper surface 21, lower surface 22, the upper surface 21 of convex grain 2 is the plane perpendicular to the outer lateral wall of elastic sheet 1, the lower surface 22 of convex grain 2 is the guide inclined plane that is inclined from the outer lateral wall of elastic sheet 1 to the top end of convex grain 2 upwards.

[0027] Referring to Figure 2 In an embodiment of the utility model, one convex grain 2 is respectively arranged on the outer lateral wall of the two sides of elastic sheet 1, and the two convex grains 2 are symmetrically arranged with the vertical center line of elastic sheet 1 as the axis of symmetry, the side between the upper surface 21 and the lower surface 22 of convex grain 2 is provided with a notch 23, to increase the buffer elasticity of both when being stressed.The upper surface 21 of convex grain 2 forms a circular arc side, and the tangent plane of the circular arc side of the upper surface 21 of convex grain 2 is perpendicular to the outer lateral wall of elastic sheet 1.The lower surface 22 of convex grain 2 forms a circular arc side, and the tangent plane of the circular arc side of the lower surface 22 of convex grain 2 is inclined to the outer lateral wall of elastic sheet 1, and the top end of convex grain 2 forms a hemispherical surface between the outside of the upper surface 21 and the lower surface 22.

[0028] Preferably, the upper end of elastic sheet 1 is inverted triangular shape, and the top angle of the uppermost end is arc angle.

[0029] With the above structure, when the elastic buckle 10 is inserted into the rod, the opening end of the elastic sheet 1 is inserted into the rod downwards, at this time, the guide inclined surface of the lower surface 22 of the convex grain 2 is inclined upwards, when the convex grain 2 contacts the upper end edge of the rod, the lowermost end of the guide inclined surface contacts the rod first, since the guide inclined surface is inclined upwards, when the elastic buckle 10 is subjected to external force vertically downwards inserted into the rod, the convex grain 2 will not be clamped on the upper end edge of the rod, but the upper end edge of the rod will slide relatively upwards along the guide inclined surface, so that the convex grain 2 is deformed to expand at the opening, and no longer protrudes from the surface of the elastic sheet 1, and smoothly enters the rod to assist the connection or positioning. The above-mentioned elastic buckle 10 structure is relatively simple, and the convex grain 2 can be inserted without artificial extrusion, which saves time and effort, avoids pinching hands, and is relatively safe.

[0030] In addition, the tangent plane of the circular arc side of the upper surface 21 of the convex grain 2 is perpendicular to the outer lateral wall of the elastic sheet 1, which can avoid unstable connection and play a role in preventing the rod from coming out.

[0031] The aforementioned spring clip 10 structure can also be installed inside a telescopic sleeve, suitable for telescopic sleeves in umbrella rods and folding tables and chairs. The telescopic sleeve includes an inner tube and an outer tube. The spring clip 10 structure is installed inside the inner tube, with the opening of the spring piece 1 facing the outer tube. The inner tube has an inner hole for the protrusion 2 to pass through, and the protrusion 2 protrudes from the inner hole and extends out of the outer wall of the inner tube. The outer tube has an outer hole for the protrusion 2 to pass through.

[0032] See Figures 3 to 5 ,exist Figure 2 Based on the embodiment, the spring buckle 10 structure may also include an outer tube 3, with the spring piece 1 held and limited inside the outer tube 3. The outer tube 3 has a through hole 31 corresponding to the position of the protrusion 2, and the protrusion 2 protrudes through the through hole 31 and protrudes from the outer wall of the outer tube 3. That is, the spring buckle 10 is fixed in the outer tube 3, which facilitates the installation and use of the spring buckle 10.

[0033] The aforementioned spring clip 10 structure is used to connect the first rod 41 and the second rod 42 with the same inner and outer diameters. The upper end of the outer sleeve 3 of the spring clip 10 structure is inserted into and fixedly locked in the first rod 41. The lower end of the outer sleeve 3 protrudes from the first rod 41. The protrusion 2 protrudes from the lower outer wall of the outer sleeve 3. The opening of the spring piece 1 faces the second rod 42. The lower surface 22 of the protrusion 2 faces the proximal end of the second rod 42. The end of the second rod 42 is provided with a positioning hole 421. The lower end of the outer sleeve 3 is inserted into the second rod 42. The protrusion 2 passes through the positioning hole 421 of the second rod 42 and protrudes from the outer wall of the second rod 42.

[0034] This allows for the connection between the first pole 41 and the second pole 42, and the assembly process is simple and convenient. The aforementioned spring-loaded buckle 10 structure is suitable for use in structures such as tent poles and storage racks that require user assembly. At the factory, the spring-loaded buckle 10, along with the outer sleeve 3, can be directly assembled to the end of a pole. During assembly, the user only needs to pair the poles together and insert them into each other. Furthermore, thanks to the spring-loaded buckle 10 structure, the poles to be assembled can be manufactured according to the same specifications (consistent inner and outer diameters), saving on pole production costs.

[0035] The above are merely embodiments of this utility model and are not intended to limit this utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A spring-loaded buckle structure, characterized in that, include: The spring sheet is inverted U-shaped and has at least one protrusion on the outer wall of the spring sheet. The protrusion has an upper surface and a lower surface. The lower surface of the protrusion is a guide slope that slopes upward from the outer wall of the spring sheet toward the tip of the protrusion.

2. The spring-loaded buckle structure according to claim 1, characterized in that, On the outer side wall of each side of the spring, there is a protruding nipple, and the two protruding nipples are symmetrically arranged with the vertical center line of the spring as the axis of symmetry.

3. The spring-loaded buckle structure according to claim 1, characterized in that, A cut is provided on the side between the upper and lower surfaces of the protrusion.

4. A spring-loaded buckle structure according to any one of claims 1 to 3, characterized in that, The upper part of the shrapnel is inverted triangular in shape, and the top corner is an arc angle.

5. A spring-loaded buckle structure according to any one of claims 1 to 3, characterized in that, The snap fastener structure also includes an outer tube, with the snap spring held and limited inside the outer tube. The outer tube has a perforation corresponding to the protrusion position, and the protrusion protrudes from the perforation onto the outer wall of the outer tube.

6. A spring-loaded buckle structure according to any one of claims 1 to 3, characterized in that, The upper surface of the protrusion forms an arc-shaped side, and the plane containing the tangent of the arc-shaped side of the upper surface of the protrusion is perpendicular to the outer wall of the spring.

7. A spring-loaded buckle structure according to claim 6, characterized in that, The lower surface of the protrusion forms an arc-shaped side surface. The plane containing the tangent of the arc-shaped side surface of the lower surface of the protrusion is inclined on the outer wall of the spring sheet, and the top of the protrusion forms a hemisphere between the outer sides of the upper and lower surfaces.

8. The spring-loaded buckle structure according to claim 5, characterized in that, The spring-loaded structure connects to a first rod and a second rod with the same inner and outer diameters. The upper end of the outer sleeve of the spring-loaded structure is inserted into and fixedly locked in the first rod. The lower end of the outer sleeve protrudes from the first rod, and the protrusion protrudes from the lower outer wall of the outer sleeve. The opening of the spring clip faces the second rod, and the lower surface of the protrusion faces the proximal end of the second rod. The end of the second rod is provided with a positioning hole. The lower end of the outer sleeve is inserted into the second rod, and the protrusion passes through the positioning hole of the second rod and protrudes from the outer wall of the second rod.

9. A spring-loaded buckle structure according to any one of claims 1 to 3, characterized in that, The spring-loaded mechanism is set inside a telescopic sleeve, which includes an inner tube and an outer tube. The spring-loaded mechanism is set inside the inner tube, with the opening of the spring facing the outer tube. The inner tube has an inner hole for the protruding piece to pass through, and the protruding piece protrudes from the inner hole and out of the outer wall of the inner tube. The outer tube has an outer hole for the protruding piece to pass through.

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