A rotation lock structure

Abstract

The application discloses a rotary locking structure, which comprises a base, a rotary sliding sleeve and a central rod, the top of the rotary sliding sleeve is in circumferential sliding connection with the bottom of the base, the central rod extends into the rotary sliding sleeve along the top of the base, and an elastic component is arranged on one side of the bottom of the central rod; when no external force is applied, the elastic component is exposed outside the central rod; when the elastic component is extruded by external force, the elastic component is hidden in the central rod; the central rod with the elastic component, the upper and lower rotary sleeves, the through hole for extruding or releasing the elastic component and the accommodating groove are used, so that the structure can be unlocked by rotation and downward pulling, is durable, convenient to use, smooth and safe in operation, the danger of hand clamping is avoided, and accessories can be conveniently added.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of tents, in particular to a rotating locking structure. BACKGROUND

[0002] The tent generally includes a foldable tent frame and a tent cloth, the tent frame includes a top frame and a plurality of support legs, wherein the support legs are used to support the top frame, and the tent cloth covers the top frame to achieve the effect of sun-shading, rain-shielding or wind-shielding; and the center lock is a key component for unfolding and folding the tent. The traditional center lock has a relatively complex structure, and the unfolding and folding procedures are relatively cumbersome and difficult to operate, which brings certain inconvenience to the user, thereby limiting the rapid development thereof. The structures of other center locks on the market are mostly pressed to unlock, which may cause hand clamping and damage to the pressing components, and brings inconvenience to use. SUMMARY

[0003] To solve the above technical problems, the technical scheme provided by the present application is as follows: a rotating locking structure, comprising a base, a rotating sleeve and a center rod, the top of the rotating sleeve is circumferentially slidably connected with the bottom of the base; the center rod extends into the rotating sleeve along the top of the base, and an elastic component is arranged on one side of the bottom of the center rod; when there is no external force, the elastic component is exposed outside the center rod; when the elastic component is pressed by external force, the elastic component is hidden in the center rod; the base and the rotating sleeve are respectively provided with a first through hole and a second through hole for hiding the elastic component in the center rod, an elastic component accommodating groove is arranged on one side of the middle part of the upper through hole outward, and the elastic component is popped out in the accommodating groove to lock the center rod with the lower rotating sleeve and the upper rotating sleeve; when the lower rotating sleeve and the upper rotating sleeve are rotated to press the elastic component in the accommodating groove to the center rod, the center rod is unlocked with the lower rotating sleeve and the upper rotating sleeve.

[0004] Further, a plurality of umbrella rib fixing members are arranged on the top of the base, and a plurality of buckles are arranged on the bottom of the base to cooperate with the upper rotating sleeve; the base is further provided with a limiting member mounting hole; and the first through hole is provided with a funnel-shaped through hole with an increasing inner diameter from bottom to top.

[0005] Further, the rotating sleeve comprises an upper rotating sleeve and a lower rotating sleeve, and the upper rotating sleeve and the lower rotating sleeve are integrally formed or connected and fixed by a fixed assembly.

[0006] Further, the top of the upper rotating sleeve is provided with a buckle mounting hole corresponding in number to the buckles, the top of the buckle mounting hole penetrates the top surface of the upper rotating sleeve, and the bottom of the buckle mounting hole is provided with a buckle sliding groove along the inner wall of the upper rotating sleeve, so that the buckle enters the buckle sliding groove from the buckle mounting hole and can slide circumferentially along the buckle sliding groove.

[0007] Further, the upper rotating sleeve bottom surface is provided with a limiting piece installation slot, which is a long strip type sliding hole arranged along the inner wall of the upper rotating sleeve, and when the limiting piece installation slot corresponds to the limiting piece installation hole, the limiting piece installation hole is installed with the limiting piece extending into the limiting piece installation slot.

[0008] Further, the buckle is provided with a spring first installation hole, the upper rotating sleeve is provided with an upper baffle along the inner wall to the outer wall of the upper through hole, the upper baffle is provided with a spring second installation hole, one end of the spring is installed on the buckle at the bottom of the base, and the other end is installed on the upper baffle of the upper rotating sleeve; when the locking structure is unlocked, the rotating sleeve rotates under the action of external force, and the spring is stretched under the action of force in the unlocking process; after unlocking, the external force disappears, the rotating sleeve is pulled in the reverse direction by the spring tension, and the upper baffle is hit until the limiting piece is reset.

[0009] Further, the upper rotating sleeve bottom surface is provided with a limiting piece installation slot, which is a long strip type sliding hole arranged along the inner wall of the upper rotating sleeve, and when the limiting piece installation slot corresponds to the limiting piece installation hole, the limiting piece installation hole is installed with the limiting piece extending into the limiting piece installation slot.

[0010] Further, the second through hole includes an upper through hole arranged in the upper rotating sleeve and a lower through hole arranged in the lower rotating sleeve, the accommodating groove is arranged at the top of the lower through hole, the side wall of the accommodating groove and the side wall of the lower through hole are connected in a circular arc transition, and the lower part of the accommodating groove is provided with a boss.

[0011] Further, the lower through hole bottom is provided with a center rod limiting plate, the center rod limiting plate bottom is connected with the water outlet channel through the water flow hole, and the water outlet channel penetrates the lower rotating sleeve and communicates with the outside.

[0012] Further, the upper rotating sleeve and the lower rotating sleeve are provided with corresponding alignment marks on the outer walls, the lower rotating sleeve outer wall is provided with an anti-skid piece, and the lower rotating sleeve bottom is further provided with a accessory connection hole.

[0013] After the above scheme is adopted, the application has the following advantages: the center rod with elastic components, the upper and lower rotating sleeves, the through hole for extruding or releasing the elastic components, and the accommodating groove make the structure can be unlocked by rotating and pulling down, durable, convenient to use, smooth and safe in action, avoid the danger of pinching hands, and convenient to add accessories. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some of the embodiments of the present application, and therefore should not be considered as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0015] Figure 1 is a structural schematic diagram of a rotation locking structure of the present application.

[0016] Figure 2 is a structural schematic diagram of an internal structure of a rotation locking structure of the present application.

[0017] Figure 3 is a structural schematic diagram of a top portion of a base of a rotation locking structure of the present application.

[0018] Figure 4 is a structural schematic diagram of a bottom portion of a base of a rotation locking structure of the present application.

[0019] Figure 5 is a structural schematic diagram of a top portion of an upper locking sleeve of a rotation locking structure of the present application.

[0020] Figure 6 is a structural schematic diagram of a bottom portion of an upper locking sleeve of a rotation locking structure of the present application.

[0021] Figure 7 is a structural schematic diagram of a top portion of a lower locking sleeve of a rotation locking structure of the present application.

[0022] Figure 8 is a structural schematic diagram of a bottom portion of a lower locking sleeve of a rotation locking structure of the present application.

[0023] Figure 9 is a schematic diagram of a center rod locking state of a rotation locking structure of the present application.

[0024] Figure 10 is a schematic diagram of a center rod unlocking state of a rotation locking structure of the present application.

[0025] Figure 11 is a schematic diagram of a mounting position (A in the figure) of a rotation locking structure of the present application. DETAILED DESCRIPTION

[0026] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some but not all of the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0028] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0029] In the description of the embodiments of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product of the present application is usually placed, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0030] In addition, if the terms "horizontal", "vertical", "overhang" and the like appear, they do not mean that the component must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0031] In the description of the embodiments of the present application, "a plurality of" represents at least 2.

[0032] In the description of the embodiments of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0033] Example 1

[0034] Combined with attachment Figure 1 , Attachment Figure 2 , this embodiment discloses a rotation locking structure, including a base 1, a rotating sleeve A and a center rod 4, the top of the rotating sleeve is circumferentially slidably connected to the bottom of the base 1, and the center rod 4 extends into the rotating sleeve along the top of the base 1; an elastic component 5 is provided on one side of the bottom of the center rod 4, when no external force is applied, the elastic component 5 is exposed outside the center rod 4, and when squeezed by external force, the elastic component 5 is hidden in the center rod 4, wherein the elastic component can be a jumping bead or a spring plus button; a first through hole 6 and a second through hole B are respectively provided in the base 1 and the rotating sleeve A for hiding the elastic component in the center rod; in this embodiment, the rotating sleeve A includes an upper rotating sleeve 2 and a lower rotating sleeve 3 assembled by a fixing component, wherein the second through hole B includes an upper through hole 7 provided in the upper rotating sleeve 2, and a lower through hole 8 provided in the lower rotating sleeve 3;

[0035] Specifically, an elastic component receiving groove 9 is provided on one side of the lower through hole 8, the outer wall of the receiving groove 9 is formed integrally with the lower through hole, the inner wall of the receiving groove 9 is connected to the side wall of the lower through hole 8 by an arc transition, and a boss 24 is provided at the lower part of the receiving groove 9; Figure 9 , the elastic component 5 pops out in the receiving groove 9 to lock the center rod 4 with the lower rotating sleeve 3 and the upper rotating sleeve 2; Figure 10 When the lower rotating sleeve 3 and the upper rotating sleeve 2 rotate until the side wall of the accommodating groove 9 squeezes the elastic component into the center rod 4, the center rod 4 is unlocked from the lower rotating sleeve 3 and the upper rotating sleeve 2.

[0036] Specifically, combined with Figure 3 , Attachment Figure 4 A funnel-shaped through hole 13 with an inner diameter gradually increasing from bottom to top is provided at the top of the first through hole 6 in the base to facilitate the insertion of the center rod 4; a plurality of rib fixing members 10 are provided on the top of the base 1. In this embodiment, four groups are provided for connecting four ribs, and the rib fixing members 10 are respectively provided with fixing holes for fixing the ribs; a plurality of buckles 11 are provided at the bottom of the base 1 to cooperate with the upper rotating sleeve 2. In this embodiment, the buckle 11 is J-shaped to make the connection more stable. A limiter mounting hole 12 is also provided at the bottom of the base 1.

[0037] combined with the drawings Figure 5 , the drawings Figure 6 , the top of the upper rotating sleeve 2 is provided with a buckle mounting hole 14 corresponding to the number of buckles 11, the top of the buckle mounting hole 14 penetrates the top surface of the upper rotating sleeve 2, and the bottom is provided with a buckle sliding groove 15 along the inner wall of the upper rotating sleeve 2, so that the buckle 11 enters the buckle sliding groove 15 from the buckle mounting hole 14 and can slide along the buckle sliding groove 15.

[0038] The bottom surface of the upper rotating sleeve 2 is provided with a limiting piece mounting groove 19, which is a long strip type sliding hole provided along the inner wall of the upper rotating sleeve 2. Since the buckle 11 is clamped in the buckle mounting hole 14 and can slide along the buckle sliding groove 15, when the limiting piece mounting groove 19 is rotated to correspond to the limiting piece mounting hole 12, the limiting piece mounting hole 12 is installed in the limiting piece extending into the limiting piece mounting groove 19, realizing the fixation of the base and the upper rotating sleeve.

[0039] The buckle 11 is provided with a spring first mounting hole 16, the upper rotating sleeve 2 is provided with an upper baffle 17 along the inner wall thereof to the outer wall of the upper through hole 7, the upper baffle 17 is provided with a spring second mounting hole 18, a reset spring is installed between the spring first mounting hole 16 and the spring second mounting hole 18, one end of the spring is installed on the buckle 11 at the bottom of the base 1, and the other end is installed on the upper baffle 17 of the upper rotating sleeve 2; when the locking structure is unlocked, the rotating sleeve is rotated under the action of external force while driving the spring to stretch in the unlocking process; after unlocking, the external force disappears, the rotating sleeve is pulled in the opposite direction by the spring tension, until the upper baffle 17 hits the limiting piece, and the reset is completed.

[0040] The bottom surface of the upper rotating sleeve 2 is provided with a first fixing piece mounting hole 20 for installing and fixing the lower rotating sleeve 3; combined with the drawings Figure 7 , the drawings Figure 8 , the lower rotating sleeve 3 is provided with a reinforcing rib 21 along the inner wall thereof to the outer wall of the lower through hole 8, the reinforcing rib 21 is provided with a fixing piece column 22 corresponding to the first fixing piece mounting hole 20, the fixing piece column 22 is provided with a second fixing piece mounting hole 23, in this embodiment, the fixing piece can use a screw or a screw, the use of the fixing piece realizes the fixation of the upper and lower rotating sleeves through the second and first fixing piece mounting holes, and the bottom of the upper rotating sleeve 2 and the top of the lower rotating sleeve 3 are also provided with a sleeve ring embedded with each other, for limiting the relative displacement during assembly.

[0041] The bottom of the lower through hole 8 is provided with a center rod limiting plate 25, which is an arc-shaped plate protruding downward, facilitating the flow of sewage, and the center rod limiting plate 25 is connected with a water outlet channel 27 through a water flow hole 26 at the bottom, and the water outlet channel 27 penetrates the lower rotating sleeve 3 and communicates with the outside.

[0042] The outer wall of the upper rotating sleeve 2 and the lower rotating sleeve 3 is provided with a positioning mark 28, and the upper and lower rotating sleeves are provided with positioning marks, so that the positioning fixing hole is convenient to assemble. The positioning mark can be a recess or a protrusion, a pattern or a sticker on the side wall; the outer wall of the lower rotating sleeve 3 is provided with an anti-skid part 29, which can be a recess or a protrusion; the bottom of the lower rotating sleeve 3 is also provided with a fitting connecting hole 30, which can be provided with a hook, a lifting ring and a thread or a port cover for connecting accessories.

[0043] Embodiment two

[0044] The difference between the embodiment and the embodiment one is that the upper rotating sleeve 2 and the lower rotating sleeve 3 are integrally formed in the embodiment, that is, the rotating sleeve A is a whole, so that the assembly between the upper rotating sleeve 2 and the lower rotating sleeve 3 is omitted, and the process is reduced.

[0045] In the specific implementation of the application, first, the center rod is inserted into the first through hole of the base, the elastic part is extruded into the center rod by the inner wall of the first through hole, the center rod continues to pass through the upper through hole of the upper rotating sleeve and is ejected in the accommodating groove of the lower rotating sleeve, so that the center rod and the rotating sleeve are locked;

[0046] When unlocking, the accommodating groove side wall extrudes the elastic part into the center rod by rotating the rotating upper and lower sleeves, at this time, the center rod is pulled out downward by pulling the rotating sleeve downward, so that the unlocking is completed, and the limiting plate in the lower rotating sleeve is used to prevent the center rod from being pushed upward by accident during the unlocking process.

[0047] The above describes the application and its implementation, which is not limited, and the drawings only show one of the embodiments of the application, and the actual structure is not limited. In general, if a person skilled in the art is inspired, without departing from the purpose of the application, without creative design, similar structure and embodiments of the technical scheme can be designed, which should belong to the protection scope of the application.

Claims

1. A rotation lock structure characterized by comprising: The utility model provides a center pole locking structure of umbrella, including base, rotary sliding sleeve and center pole, rotary sliding sleeve top and base bottom circumferential sliding connection, center pole along base top extends into rotary sliding sleeve, center pole bottom one side sets up elastic part, when no external force, elastic part shows in center pole outside, when being extruded by external force, elastic part hides in center pole, base, rotary sliding sleeve inside is equipped with respectively first through -hole, second through -hole of making elastic part hide in center pole, second through -hole includes setting up upper through -hole in upper rotary sliding sleeve and setting up lower through -hole in lower rotary sliding sleeve, lower through -hole one side is outwardly provided with elastic part containing groove, containing groove sets up in lower through -hole top, elastic part pops out in containing groove and makes center pole and rotary sliding sleeve lock, when rotary sliding sleeve rotates to make containing groove side wall extrude elastic part to center pole, center pole and rotary sliding sleeve are unlocked, The rotary sliding sleeve includes an upper rotary sliding sleeve and a lower rotary sliding sleeve, and the upper rotary sliding sleeve and the lower rotary sliding sleeve are integrally formed or connected and fixed through a fixing assembly. The side wall of the containing groove and the side wall of the lower through-hole are circularly and arcuately connected, and a boss is arranged at the lower part of the containing groove.

2. A rotation lock structure according to claim 1, wherein The top of the base is provided with a plurality of umbrella rib fixing members, and the bottom is provided with a plurality of buckles matched with the upper rotary sliding sleeve.

3. The rotation lock structure according to claim 1, wherein The top of the upper rotary sliding sleeve is provided with a plurality of buckle mounting holes corresponding to the number of buckles, the top of the buckle mounting hole penetrates the top surface of the upper rotary sliding sleeve, and the bottom of the buckle mounting hole is provided with a buckle sliding groove along the inner wall of the upper rotary sliding sleeve, so that the buckle enters the buckle sliding groove from the buckle mounting hole and can slide circumferentially along the buckle sliding groove.

4. The rotation lock structure according to claim 1, wherein The bottom surface of the upper rotary sliding sleeve is provided with a limiting member mounting groove, which is a long strip type sliding hole arranged along the inner wall of the upper rotary sliding sleeve, and when the limiting member mounting groove corresponds to the limiting member mounting hole, the limiting member is installed in the limiting member mounting hole and extends into the limiting member mounting groove.

5. The rotation lock structure according to claim 3, wherein The buckle is provided with a spring first mounting hole, the upper rotary sliding sleeve is provided with an upper baffle between the inner wall and the outer wall of the upper through-hole, the upper baffle is provided with a spring second mounting hole, one end of the spring is installed on the buckle at the bottom of the base, and the other end of the spring is installed on the upper baffle of the upper rotary sliding sleeve; when the locking structure is unlocked, the rotary sliding sleeve rotates under the action of external force and simultaneously drives the spring to stretch in the unlocking process; After unlocking, the external force disappears, the rotary sliding sleeve is pulled in the opposite direction by the spring tension, and the upper baffle hits the limiting member until the reset is completed.

6. The rotation lock structure according to claim 1, wherein The bottom surface of the upper rotary sliding sleeve is provided with a first fixing member mounting hole for fixing the lower rotary sliding sleeve; the lower rotary sliding sleeve is provided with a reinforcing rib between the inner wall and the outer wall of the lower through-hole, the reinforcing rib is provided with a fixing member column corresponding to the first fixing member mounting hole, and the fixing member column is provided with a second fixing member mounting hole.

7. The rotation lock structure according to claim 1, wherein The bottom of the lower through-hole is provided with a center pole limiting plate, the bottom of the center pole limiting plate is connected with a water outlet channel through a water flow hole, and the water outlet channel penetrates the lower rotary sliding sleeve and communicates with the outside.

8. The rotation lock structure according to claim 1, wherein The upper rotating sliding sleeve and the lower rotating sliding sleeve are provided with alignment marks on the outer walls thereof, the outer wall of the lower rotating sliding sleeve is provided with an anti-skid member, and the bottom of the lower rotating sliding sleeve is further provided with a connecting hole for a fitting.

Images