Removable sun umbrella

Abstract

The present invention relates to a detachable sun umbrella, comprising an umbrella frame, a handle and an umbrella surface, wherein the umbrella frame comprises a control cylinder, a telescopic middle rod and a plurality of telescopic ribs, wherein the bottom of the telescopic middle rod is located in the inner cavity of the control cylinder and the top has a sealing plate located outside the control cylinder, the telescopic ribs are evenly distributed in the circumference and are respectively movably connected to the sealing plate through hinges, the handle is detachably mounted at the bottom of the control cylinder, the umbrella surface is detachably mounted at the sealing plate and the ends of each telescopic rib, and the inner cavity of the control cylinder is provided with an operating mechanism acting on the sealing plate, the handle and the plurality of telescopic ribs. Users can freely match different handles and umbrella surfaces according to their own preferences, and the operating mechanism built into the control cylinder can realize that the telescopic middle rod and the telescopic ribs are stably retracted in the control cylinder when stored, occupying a small space and being safe, and when the umbrella is opened and used, the stability of the handle structure can be realized, and the telescopic ribs can be ensured to be fully opened, and not easily deformed in the fully opened state, one axis has multiple uses, and the structure is compact.

Description

Technical Field

[0001] The invention belongs to the technical field of umbrella products, and in particular relates to a detachable sun umbrella. Background Art

[0002] At present, the handle, the middle rod, the ribs and the umbrella are generally fixed together and cannot be disassembled. For users who pay attention to daily wear, they need to buy multiple umbrellas, and the integrated umbrella also takes up a lot of space when stored, which is also a big problem for users who travel. Summary of the invention

[0003] In view of the deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a detachable sun umbrella that is easy to store, occupies little space, and is convenient to select and match.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0005] A detachable sun umbrella comprises an umbrella frame, a handle and an umbrella cover, wherein the umbrella frame comprises a control cylinder having an upper open inner cavity, a telescopic middle rod and a plurality of telescopic ribs, the bottom of the telescopic middle rod is located in the inner cavity of the control cylinder and the top of the telescopic middle rod has a sealing plate located outside the control cylinder, the plurality of telescopic ribs are evenly distributed in the circumferential direction and are respectively movably connected to the sealing plate on the top of the telescopic middle rod through hinges, the handle is detachably mounted on the bottom of the control cylinder, the umbrella cover is detachably mounted on the sealing plate and the ends of each telescopic rib, and the inner cavity of the control cylinder is provided with an operating mechanism acting on the sealing plate, the handle and the plurality of telescopic ribs.

[0006] Preferably, the operating mechanism includes a hollow rotating shaft, a tensioning assembly, a pulling assembly and a pulling block, the hollow rotating shaft is axially fixed and circumferentially rotatable in the inner cavity of the control cylinder, the bottom end of the hollow rotating shaft passes downward through the handle, the telescopic middle rod is located in the hollow rotating shaft, the tensioning assembly and the pulling assembly are both arranged on the hollow rotating shaft, wherein the tensioning assembly acts on the handle to maintain the relative position of the handle and the control cylinder, the pulling assembly acts on the telescopic ribs to make each telescopic rib expand upward when the telescopic middle rod is fully opened, and the pulling block acts on the sealing plate to pull the sealing plate and make the sealing plate seal the opening of the control cylinder when the telescopic middle rod is fully retracted.

[0007] Preferably, the middle portion of the hollow rotating shaft is installed in the inner cavity of the control cylinder through a bearing.

[0008] Preferably, the tensioning assembly includes a reducer and a clamping block, the bottom surface of the control cylinder has an L-shaped clamping groove that can be detachably matched with the handle and a clamping hole located at the turning point of the L-shaped clamping groove and connected to the inner cavity of the control cylinder, the L-shaped clamping groove is composed of a vertical groove extending along the axial direction of the control cylinder and an arc groove arranged along the circumference of the control cylinder, the handle sleeve is provided with a protrusion at the bottom of the control cylinder and corresponding to each L-shaped clamping groove position; the reducer is threadedly matched at the position of the corresponding arc groove of the hollow shaft and each reducer surface is provided with a clamping groove, the clamping block is adapted to be installed in the clamping hole and the inner end of the clamping block is slidably matched in the clamping groove, and the clamping block is used to limit the protrusion in the arc groove.

[0009] Preferably, a pull block is provided at the position of the hollow rotating shaft corresponding to the top of the control cylinder, and an L-shaped limit block is provided at the position of the pull block on the bottom surface of the sealing plate, and when the clamping block is located at the small diameter end of the reducer, the pull block and the L-shaped limit block cooperate with each other.

[0010] Preferably, the inner cavity of the control cylinder is divided into an upper cavity and a lower cavity by a partition, the telescopic middle rod is located in the upper cavity, and the partition is provided with a rope threading hole; the pulling assembly includes a pull rope and a pull seat, the pull seat is threadedly engaged with the hollow rotating shaft in the lower cavity, one end of the pull rope is fixed on the pull seat and the other end passes through the rope threading hole upward and bypasses the hinge shaft at the inner end of the telescopic rib and is fixed to the outer surface of the inner end of the telescopic rib.

[0011] Preferably, a pull shaft is rotatably provided on the pull seat, one end of the pull rope is fixedly connected to the pull shaft, one end of the pull shaft protrudes out of the outer wall of the control cylinder, and the control cylinder and the telescopic middle rod are respectively provided with sliding grooves for the pull shaft to move up and down at the positions corresponding to the pull shaft, and the connection between the pull rope and the pull shaft is exposed when the telescopic umbrella ribs are fully unfolded and the pull seat descends to the lowest point.

[0012] Preferably, a pull shaft is protruding from the pull seat, one end of the pull rope is fixedly connected to the pull shaft through a spiral spring, and the spiral spring is tightest when the telescopic umbrella ribs are fully unfolded and the pull seat descends to the lowest point.

[0013] Preferably, the sealing plate is provided with limit blocks at positions corresponding to each hinge.

[0014] Preferably, the umbrella surface is installed on the ends of the telescopic ribs and the closing plate through connecting pieces.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The handle and umbrella canopy of the present invention are both detachably matched with the umbrella frame, and users can freely match different handles and umbrella canopies according to their own preferences. The umbrella frame includes a control cylinder, a telescopic middle rod and a telescopic rib. The built-in operating mechanism of the control cylinder can realize that the telescopic middle rod and the telescopic rib are stably hidden in the control cylinder when stored, which occupies a small space and is safe and not easy to hurt the hand. When the umbrella is opened and used, the stability of the handle structure can be achieved, and the pull cord can be tightened by the pull seat to ensure that the telescopic rib is fully opened, and it is not easy to deform in the fully opened state. The present invention can realize the operation of the handle, telescopic rib and sealing plate only by rotating the hollow rotating shaft. One shaft has multiple uses, the structure is compact, and the structure is stable when in use, meeting daily needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a split structure diagram of the detachable sun umbrella of the present invention.

[0018] Figure 2 This is a structural schematic diagram of an umbrella frame in a folded state according to Embodiment 1 of the present invention.

[0019] Figure 3 for Figure 2 A partial enlarged view of part A shown in FIG.

[0020] Figure 4 for Figure 2 A partial enlarged view of part B shown in FIG.

[0021] Figure 5 This is a structural schematic diagram of an umbrella frame in an unfolded state according to Embodiment 1 of the present invention.

[0022] Figure 6 for Figure 5 A partial enlarged view of section C is shown in FIG.

[0023] Figure 7 It is a schematic cross-sectional view of the reducer of the present invention.

[0024] Figure 8 For example, the present invention Figure 2 A cross-sectional view of PP is shown in FIG.

[0025] Fig. 9 It is a schematic diagram of the local structure at the pull seat position of the second embodiment of the present invention.

[0026] Fig.10 It is a cross-sectional view of the pull seat position of the third embodiment of the present invention.

[0027] Fig.11 It is a bottom view of an umbrella surface of the present invention.

[0028] Markings in the figure: 100, umbrella frame; 200, umbrella cover; 300, handle; 301, convex particle; 101, upper cavity; 102, lower cavity; 103, partition; 10, control cylinder; 11, L-shaped slot; 12, clamping hole; 20, telescopic middle rod; 21, sealing plate; 22, L-shaped limit block; 30, telescopic umbrella rib; 31, hinge shaft; 41, hollow rotating shaft; 42, reducing seat; 43, clamping block; 44, pull seat; 45, pull rope; 46, pull block; 47, pull shaft; 48, scroll spring. DETAILED DESCRIPTION

[0029] In order to make the above features and advantages of the present invention more obvious and easy to understand, embodiments are given below with reference to the accompanying drawings for detailed description as follows.

[0030] Example 1

[0031] like Figure 1-8 As shown in Figures 1 and 11, the present embodiment provides a detachable sun umbrella, comprising an umbrella frame 100, a handle 300 and an umbrella cover 200, wherein the umbrella frame 100 comprises a control cylinder 10 with an upper open inner cavity, a telescopic middle rod 20 and a plurality of telescopic ribs 30, wherein the bottom of the telescopic middle rod 20 is located in the inner cavity of the control cylinder 10 and the top of the telescopic middle rod 20 has a sealing plate 21 located outside the control cylinder 10, the plurality of telescopic ribs 30 are uniformly distributed in the circumferential direction and are respectively movably connected to the sealing plate 21 at the top of the telescopic middle rod 20 through hinges, the handle 300 is detachably mounted on the bottom of the control cylinder 10, the umbrella cover 200 is detachably mounted on the sealing plate 21 and the ends of each telescopic rib 30, and the inner cavity of the control cylinder 10 is provided with an operating mechanism acting on the sealing plate 21, the handle 300 and the plurality of telescopic ribs 30.

[0032] In this embodiment, the operating mechanism includes a hollow rotating shaft 41, a tensioning assembly, a pulling assembly and a pulling block 46. The hollow rotating shaft 41 is axially fixed by a bearing and is circumferentially rotatable in the inner cavity of the control cylinder 10. The bottom end of the hollow rotating shaft 41 passes downward through the handle 300, and the telescopic middle rod 20 is located in the hollow rotating shaft 41. The tensioning assembly and the pulling assembly are both arranged on the hollow rotating shaft 41, wherein the tensioning assembly interacts with the handle 300 to maintain the relative position of the handle 300 and the control cylinder 10, the pulling assembly interacts with the telescopic ribs 30 to cause each telescopic rib 30 to unfold upward when the telescopic middle rod 20 is fully opened, and the pulling block 46 interacts with the sealing plate 21 to pull the sealing plate 21 when the telescopic middle rod 20 is fully retracted and cause the sealing plate 21 to seal the opening of the control cylinder 10.

[0033] The inner cavity of the control cylinder 10 is divided into an upper cavity 101 and a lower cavity 102 by a partition 103 , the telescopic middle rod 20 is located in the upper cavity 101 , a rope threading hole is provided on the partition 103 , and the bearing on the hollow rotating shaft 41 is preferably installed on the partition 103 . The bottom surface of the control cylinder 10 has an L-shaped slot 11 that can be detachably matched with the handle 300 and a slot 12 located at the turning point of the L-shaped slot 11 and connected to the lower cavity 102. The L-shaped slot 11 is composed of a vertical slot extending along the axial direction of the control cylinder 10 and an arc slot arranged circumferentially along the control cylinder 10. The handle 300 is sleeved on the bottom of the control cylinder 10 and has a convex particle 301 corresponding to each L-shaped slot 11. When the handle 300 is installed, the convex particle 301 moves upward along the vertical slot to the highest point and then the handle 300 is rotated to rotate the convex particle 301 along the arc slot to the end. The arc slots of each L-shaped slot 11 have the same direction on the surface of the control cylinder 10. Generally, the L-shaped slot 11 and the convex particles 301 on the handle 300 correspond one to one, and preferably two groups are evenly distributed circumferentially.

[0034] In this embodiment, the tensioning assembly includes a reducer seat 42 and a block 43. The reducer seat 42 is equipped with blocks 43 whose number matches the L-shaped slots 11. The reducer seat 42 is threadedly engaged with the corresponding arc groove of the hollow shaft 41. The reducer seat 42 has a large diameter end and a small diameter end, and the surface of the reducer seat 42 is provided with a slot that matches the block 43 one by one between the large diameter end and the small diameter end. The block 43 is adapted to be installed in the slot 12 and the inner end of the block 43 is slidably engaged in the slot. By rotating the hollow shaft 41, the reducer seat 42 moves axially along the hollow shaft 41, from the small diameter end to the large diameter end, so that the block 43 passes out through the slot 12 to achieve the restriction of the protrusion 301 in the arc groove. The reverse rotation is from the large diameter end to the small diameter end, so that the block 43 shrinks inward to achieve the reverse removal of the handle 300. The cross-sectional shape of the slot can be set to be T-shaped, one end of the clamping block 43 is set to be a T-shaped head matched with the slot, and both ends of the slot are provided with limit blocks.

[0035] In this embodiment, the pulling assembly includes a pull cord 45 and a pull seat 44, the pull seat 44 is threadedly matched with the hollow shaft 41 in the lower cavity 102, one end of the pull cord 45 is fixed on the pull seat 44 and the other end passes through the rope threading hole upward and bypasses the hinge shaft 31 at the inner end of the telescopic umbrella rib 30 and is fixed on the outer surface of the inner end of the telescopic umbrella rib 30, and a clearance gap is provided at the top of the control cylinder 10 corresponding to the position of the pull cord 45. When the hollow shaft 41 is rotated, the diameter-changing seat 42 is driven from the small diameter end to the large diameter end, and the pull seat 44 is also driven to move downward along the hollow shaft 41, until the pull cord 45 is tightened and the telescopic umbrella rib 30 is driven to unfold upward, which is beneficial to the installation of the umbrella cover 200 and the use of the umbrella. The pull cord 45 is preferably a Kevlar pull cord.

[0036] In this embodiment, the hollow rotating shaft 41 is provided with a pull block 46 at the position corresponding to the top of the control cylinder 10, the size of the sealing plate 21 is sufficient to cover the opening of the control cylinder 10, and the bottom surface of the sealing plate 21 is provided with an L-shaped limit block 22 at the position corresponding to the pull block 46, and when the clamping block 43 is located at the small diameter end of the diameter reducing seat 42, the pull block 46 and the L-shaped limit block 22 are matched with each other, so that when it moves from the small diameter end to the large diameter end, the clamping block 43 protrudes outward through the clamping hole 12 and clamps the convex particle 301 in the arc groove, so as to realize the installation and stability of the handle 300 The pull block 46 is staggered with the L-shaped limit block 22 so that the closing plate 21 and the telescopic middle rod 20 can be pulled out and stretched upwards. When the handle 300 and the umbrella cover 200 need to be removed for storage, the hollow shaft 41 is rotated from the large diameter end to the small diameter end, and the block 43 retracts to make way for the convex particle 301 to remove the channel so as to smoothly remove the handle 300. At the same time, the pull block 46 is rotated to the position matching with the L-shaped limit block 22, and the closing plate 21 is pulled with the help of the pull block 46 and the L-shaped limit block 22 to keep the closing plate 21 sealing the opening of the control cylinder 10.

[0037] In this embodiment, the sealing plate 21 is provided with limit blocks (not shown in the figure) at the positions corresponding to the hinges, and the limit blocks can prevent the telescopic umbrella ribs 30 from being over-expanded.

[0038] The telescopic ribs 30 and the telescopic middle rod 20 of this embodiment both include a plurality of sleeves, and the number of sleeves and the length of each sleeve are set according to the length requirement of the telescopic middle rod 20 after it is fully extended, and marbles are arranged between adjacent sleeves. This is a prior art and will not be described in detail here. The telescopic ribs 30 of this embodiment are set in 4 groups, and the umbrella cover 200 is installed on the end of the telescopic ribs 30 and the sealing plate 21 through a connecting piece (not shown in the figure). Specifically, the connecting piece between the umbrella cover 200 and the end of the telescopic ribs 30 can be an umbrella bead, and the connecting piece between the umbrella cover 200 and the sealing plate 21 can be a concealed buckle.

[0039] By adopting the technical solution of the present invention, it is possible to select the combination of the umbrella cover 2000 and the handle 300 according to daily wear.

[0040] The method of using the detachable sun umbrella of this embodiment is as follows:

[0041] 1. Installation and opening and use of the umbrella: Rotate the hollow rotating shaft 41 to retract the block 43, align the convex particle 301 of the handle 300 with the L-shaped slot 11, insert it and rotate it to the arc slot, and pull the telescopic middle rod 20 upward, fully stretch the telescopic middle rod 20 and maintain the length. During the stretching process, the pull rope 45 is also pulled out from the control cylinder 10 and stretched, and then the hollow rotating shaft 41 is rotated in the opposite direction to make the block 43 convex outward to limit the convex particle 301 in the arc slot to achieve the installation of the handle 300 and the structural stability in the use state, and at the same time move the pull seat 44 downward and further tighten the pull rope 45 to fully open the telescopic rib 30; then, stretch the telescopic rib 30 and maintain the length, install the umbrella cover 200 on the end of the telescopic rib 30 and the closing plate 21 through the connecting piece, and then the umbrella can be opened and used.

[0042] 2. Remove the handle 300 and the umbrella canopy 200 and store them: first remove the umbrella canopy 200, shorten the telescopic ribs 30, and then shorten the telescopic middle rod 20. In the process of shortening the telescopic middle rod 20, the pull cord 45 gradually becomes loose, so that the telescopic ribs 30 sag and lean against the telescopic middle rod 20 under their own weight. The pull cord 45, the telescopic middle rod 20 and the telescopic ribs 30 are all retracted into the control cylinder 10, and the sealing plate 21 seals the opening of the control cylinder 10. Then, rotate the hollow rotating shaft 41 to retract the clamping block 43, and the pulling block 46 cooperates with the L-shaped limit block 22 to keep the sealing plate 21 and the telescopic middle rod 20 from being pulled out, and take out the handle 300 along the L-shaped clamping groove 11.

[0043] Example 2

[0044] This embodiment 2 further makes the following improvements on the basis of the above embodiment 1: Fig. 9 As shown, a pull shaft 47 is rotatably provided on the pull seat 44 through a bearing, one end of the pull rope 45 is fixedly connected to the pull shaft 47, one end of the pull shaft 47 protrudes from the outer wall of the control cylinder 10, and the control cylinder 10 and the telescopic middle rod 20 are respectively provided with sliding grooves for the pull shaft 47 to move up and down at the positions corresponding to the pull shaft 47. When the telescopic umbrella ribs 30 are fully unfolded and the pull seat 44 descends to the lowest point, the connection between the pull rope 45 and the pull shaft 47 is exposed, and when the umbrella frame 100 is stored, the exposed end of the pull shaft 47 can be operated to wind the pull rope 45 around the pull shaft 47, and the pull shaft 47 can rotate freely, so the pull rope 45 will also be pulled out when the telescopic middle rod 20 is extended.

[0045] Example 3

[0046] This embodiment 3 further makes the following improvements on the basis of the above embodiment 1: Fig.10As shown, a pull shaft 47 is protruding from the pull seat 44, and one end of the pull rope 45 is fixedly connected to the pull shaft 47 through a spiral spring 48. When the telescopic umbrella ribs 30 are fully unfolded and the pull seat 44 descends to the lowest point, the spiral spring 48 is tightest. When the telescopic middle rod 20 is restored, the pull rope 45 can be automatically shortened and hidden in the control cylinder 10 by relying on the action of the spiral spring 48. At the same time, when the telescopic middle rod 20 is extended, the pull rope 45 will also be pulled out.

[0047] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for illustrating the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which shall fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. Detachable sun umbrella, characterized by: The umbrella frame comprises an umbrella frame, a handle and an umbrella surface, wherein the umbrella frame comprises a control cylinder having an upper opening inner cavity, a telescopic middle rod and a plurality of telescopic ribs, the bottom of the telescopic middle rod is located in the inner cavity of the control cylinder, and the top of the telescopic middle rod has a sealing plate located outside the control cylinder, the plurality of telescopic ribs are evenly distributed in the circumferential direction and are respectively movably connected to the sealing plate at the top of the telescopic middle rod through hinges, the handle is detachably mounted on the bottom of the control cylinder, the umbrella surface is detachably mounted on the sealing plate and the ends of each telescopic rib, and the inner cavity of the control cylinder is provided with an operating mechanism acting on the sealing plate, the handle and the plurality of telescopic ribs; The operating mechanism includes a hollow shaft, a tensioning assembly, a pulling assembly and a pulling block, wherein the hollow shaft is axially fixed and circumferentially rotatably arranged in the inner cavity of the control cylinder, the bottom end of the hollow shaft passes through the handle downward, the telescopic middle rod is located in the hollow shaft, the tensioning assembly and the pulling assembly are both arranged on the hollow shaft, wherein the tensioning assembly interacts with the handle to maintain the relative position of the handle and the control cylinder, the pulling assembly interacts with the telescopic ribs to make each telescopic rib unfold upward when the telescopic middle rod is fully opened, and the pulling block interacts with the sealing plate to pull the sealing plate when the telescopic middle rod is fully retracted so that the sealing plate seals the opening of the control cylinder; The tensioning assembly includes a reducer and a clamping block. The bottom surface of the control cylinder has an L-shaped clamping groove that can be detachably matched with the handle and a clamping hole located at the turning point of the L-shaped clamping groove and connected to the inner cavity of the control cylinder. The L-shaped clamping groove is composed of a vertical groove extending along the axial direction of the control cylinder and an arc groove arranged along the circumference of the control cylinder. The handle is sleeved on the bottom of the control cylinder and is provided with convex particles at the positions corresponding to each L-shaped clamping groove; the reducer is threadedly matched at the position corresponding to the arc groove of the hollow shaft and each reducer surface is provided with a clamping groove, the clamping block is adapted to be installed in the clamping hole and the inner end of the clamping block is slidably matched in the clamping groove, and the convex particles are restricted in the arc groove by the clamping block; The inner cavity of the control cylinder is divided into an upper cavity and a lower cavity by a partition, the telescopic middle rod is located in the upper cavity, and the partition is provided with a rope threading hole; the pulling assembly includes a pull rope and a pull seat, the pull seat is threadedly engaged with the hollow rotating shaft in the lower cavity, one end of the pull rope is fixed on the pull seat and the other end passes through the rope threading hole upward and bypasses the hinge shaft at the inner end of the telescopic umbrella rib and is fixed on the outer surface of the inner end of the telescopic umbrella rib.

2. The detachable sun umbrella according to claim 1, characterized in that: The middle part of the hollow rotating shaft is installed in the inner cavity of the control cylinder through a bearing.

3. The detachable sun umbrella according to claim 1, characterized in that: The hollow shaft is provided with a pull block at the position corresponding to the top of the control cylinder, and the bottom surface of the sealing plate is provided with an L-shaped limit block at the position corresponding to the pull block, and when the clamping block is located at the small diameter end of the reducer, the pull block cooperates with the L-shaped limit block.

4. The detachable sun umbrella according to claim 1, characterized in that: A pull shaft is rotatably provided on the pull seat, one end of the pull rope is fixedly connected to the pull shaft, one end of the pull shaft protrudes out of the outer wall of the control cylinder, and the control cylinder and the telescopic middle rod are respectively provided with sliding grooves for the pull shaft to move up and down at the positions corresponding to the pull shaft. When the telescopic umbrella ribs are fully unfolded and the pull seat descends to the lowest point, the connection between the pull rope and the pull shaft is exposed.

5. The detachable sun umbrella according to claim 1, characterized in that: A pull shaft is protruding from the pull seat, and one end of the pull rope is fixedly connected to the pull shaft through a spiral spring. The spiral spring is tightest when the telescopic umbrella ribs are fully unfolded and the pull seat descends to the lowest point.

6. The detachable sun umbrella according to claim 1, characterized in that: The sealing plate is provided with limit blocks at positions corresponding to each hinge.

7. The detachable sun umbrella according to any one of claims 1 to 6, characterized in that: The umbrella surface is installed on the ends of the telescopic umbrella ribs and the closing plate through a connecting piece.

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