An opening and closing umbrella mechanism and a rotating opening and closing umbrella

Abstract

The application discloses an opening and closing umbrella mechanism and a rotating opening and closing umbrella, wherein the opening and closing umbrella mechanism comprises a shell, a motor, a clutch and a power output shaft, the motor is fixed on the bottom of the shell through a flange; the clutch is installed inside the shell, the output shaft of the motor extends to the inside of the shell and is fixedly connected with the driving shaft of the clutch; the power output shaft is installed on the top of the shell through a first bearing, and the driven shaft of the clutch is fixedly connected with the power output shaft. The motor transmits the output torque to the clutch, the clutch transmits the power to the power output shaft after engagement, the electric rotating action is realized, the rotating opening and closing of the umbrella is realized, and the convenience of the opening and closing of the umbrella is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of outdoor umbrella, more particularly to an opening and closing umbrella mechanism and a rotating opening and closing umbrella. BACKGROUND

[0002] With the improvement of living standards, large and medium-sized outdoor umbrellas are widely used in our life.

[0003] However, the existing large and medium-sized outdoor umbrellas still generally use manual opening and closing, which is time-consuming and laborious and difficult to operate due to large size and weight.

[0004] Therefore, it is an urgent problem for those skilled in the art to provide a convenient opening and closing umbrella mechanism and a rotating opening and closing umbrella. SUMMARY

[0005] Therefore, the present application provides an opening and closing umbrella mechanism and a rotating opening and closing umbrella, which improves the convenience of opening and closing the umbrella.

[0006] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme:

[0007] An opening and closing umbrella mechanism comprises a shell, a motor, a clutch and a power output shaft, the motor is fixed on the bottom of the shell through a flange; the clutch is installed inside the shell, the output shaft of the motor extends into the shell and is fixedly connected with the driving shaft of the clutch; the power output shaft is installed on the top of the shell through a first bearing, and the driven shaft of the clutch is fixedly connected with the power output shaft.

[0008] By adopting the above scheme, the present application has the following beneficial effects:

[0009] The motor transmits the output torque to the clutch, the clutch transmits the power to the power output shaft after engagement, realizes the electric rotating action, can realize the rotating opening and closing of the umbrella, and improves the convenience of opening and closing the umbrella.

[0010] Further, the clutch comprises a clutch assembly and a clutch cover plate, the clutch assembly comprises a driven part, a driving part and two needle rollers, the power output shaft is fixedly sleeved on the driven shaft of the driven part; the driven part has two corresponding clamping grooves in the cylindrical groove; the driving part is located in the cylindrical groove, the output shaft of the motor is fixedly connected with the driving shaft of the driving part; two needle rollers are fixed on both sides of the driving part, and the needle rollers are embeddedly connected or separated from the clamping grooves; the clutch cover plate is sleeved on the driving shaft and is rotationally connected therewith, and the clutch cover plate is embeddedly fixed on the bottom of the shell; the end of the needle roller close to the clutch cover plate is provided with a magnet.

[0011] Further, the umbrella opening and closing mechanism further comprises a bevel gear shaft, an axle segment of the bevel gear shaft is installed on the side of the shell through a second bearing; the bottom of the power output shaft is provided with a first bevel gear, and a second bevel gear of the bevel gear shaft is in meshing connection with the first bevel gear.

[0012] The beneficial effects produced by the above further technical solutions are that when power failure, motor damage and the like cause electric opening and closing to be impossible, manual operation can be performed.

[0013] Further, the umbrella opening and closing mechanism further comprises a crank handle, and the axle segment has a crank handle interface at an extension end, and the crank handle is installed in the crank handle interface.

[0014] The beneficial effects produced by the above further technical solutions are that the convenience and labor-saving property of manual operation are improved.

[0015] Further, the motor is a direct-current speed reduction motor.

[0016] Further, a third bearing is installed between the shell and the cylindrical groove.

[0017] The beneficial effects produced by the above further technical solutions are that the stability and reliability of assembly are improved.

[0018] A rotating opening and closing umbrella comprises an umbrella rod and an umbrella opening and closing mechanism as described above, and the power output shaft is in fixed connection with the umbrella rod.

[0019] By adopting the above scheme, the beneficial effects of the present application are:

[0020] Electric opening and closing operation of the rotating opening and closing umbrella is realized, and convenience is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced below. Obviously, the drawings in the following description only constitute embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the provided drawings.

[0022] Figure 1 The drawing is a structural schematic view of an umbrella opening and closing mechanism provided by the present application;

[0023] Figure 2 The drawing is an exploded view of an umbrella opening and closing mechanism provided by the present application;

[0024] Figure 3 The drawing is an exploded view of a clutch provided by the present application;

[0025] Figure 4The attached figure is a schematic diagram of the clutch engagement state provided by the present invention;

[0026] Figure 5 The attached figure is a structural schematic diagram of the clutch in the disengaged state provided by the present invention. Detailed Implementation

[0027] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0028] like Figures 1-5 As shown in the figure, an embodiment of the present invention discloses an umbrella opening and closing mechanism, including a housing 1, a motor 2, a clutch 3, and a power output shaft 4. The motor 2 is fixed to the bottom of the housing 1 via a flange 5. In this embodiment, the motor 2 is a DC geared motor. The clutch 3 is installed inside the housing 1, and the output shaft of the motor 2 extends into the housing 1 and is fixedly connected to the drive shaft of the clutch 3. The power output shaft 4 is installed on the top of the housing 1 via a first bearing 6, and the driven shaft of the clutch 3 is fixedly connected to the power output shaft 4. In this invention, the motor 2 transmits its output torque to the clutch 3. After the clutch 3 engages, it transmits power to the power output shaft 4, realizing the rotational action of the motor 2, which enables the umbrella to rotate and open, improving the convenience of opening and closing the umbrella.

[0029] Specifically, the clutch 3 includes a clutch assembly 31 and a clutch cover plate 32. The clutch assembly 31 includes a driven member 311, a driving member 312, and two needle rollers 313. In this embodiment, the driving member 312 is a shift fork, and the power output shaft 4 is fitted and fixed on the driven shaft of the driven member 311. The driven member 311 has two corresponding slots 3111 in its cylindrical groove. The driving member 312 is located in the cylindrical groove, and the output shaft of the motor 2 is fixedly connected to the driving shaft of the driving member 312. The two needle rollers 313 are respectively fixed on both sides of the driving member 312, and the needle rollers 313 are engaged or disengaged from the slots 3111. The clutch cover plate 32 is fitted on the driving shaft and rotatably connected to it, and the clutch cover plate 32 is fitted and fixed at the bottom of the housing 1. The end of the needle roller 313 near the clutch cover plate 32 is provided with a magnet.

[0030] To further optimize the technical solution of the present invention, when power failure, motor damage, or other reasons prevent electric opening and closing, manual operation can be performed. An umbrella opening and closing mechanism also includes a canopy tooth shaft 7. The shaft section of the canopy tooth shaft 7 is mounted on the side of the housing 1 through a second bearing 8. The bottom of the power output shaft 4 is provided with a first canopy tooth 41, and the second canopy tooth 71 of the canopy tooth shaft 7 meshes with the first canopy tooth 41.

[0031] In order to further optimize the technical scheme of the application and improve the convenience and labor-saving of manual operation, the umbrella opening and closing mechanism further comprises a crank handle, the shaft section extension end portion is provided with a crank handle interface 72, and the crank handle is installed in the crank handle interface 72.

[0032] In order to further optimize the technical scheme of the application and improve the stability and reliability of the assembly structure, a third bearing is installed between the shell 1 and the cylindrical groove.

[0033] The application further discloses a rotating umbrella, which comprises an umbrella rod and the umbrella opening and closing mechanism, and the power output shaft 4 is fixedly connected with the umbrella rod, so that the electric opening and closing operation of the rotating umbrella is realized, and the convenience is improved.

[0034] The working principle of the application is as follows:

[0035] Electricity: the DC control system supplies power to the DC speed reducer, the DC speed reducer outputs torque to the clutch 3, at this time, the clutch 3 is in the engaged state (the DC speed reducer outputs torque to the driving shaft, when the driving part 312 rotates, the driving part 312 drives the needle roller 313 to fall into the corresponding clamping groove 3111, at this time, the driving part 312 is engaged with the driven part 311, and the driven part 311 rotates together with the driving part 312), and the driven shaft transmits power to the power output shaft 4.

[0036] Manual: when the manual input power rotates the bevel gear shaft 7, the second bevel gear 71 is engaged with the first bevel gear 41, the power output shaft 4 is driven to rotate, the manual rotation is realized, at this time, the clutch 3 is in the disengaged state (when the driving part 312 is static, the driven part 311 rotates, the needle roller 313 is attracted to the clutch cover plate 32 due to the magnetic body arranged at the end portion of the needle roller 313 close to the clutch cover plate 32, the needle roller 313 is separated from the clamping groove 3111, the driven part 311 and the driving part 312 are separated, and the driven part 311 can rotate freely), the power cannot be transmitted to the DC speed reducer, the manual mode is easy to operate, and the DC speed reducer cannot be manually operated due to being stuck.

[0037] In the specification, each embodiment is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts of each embodiment can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the related parts can be referred to the method part.

[0038] The foregoing description of the disclosed embodiments enables a person skilled in the art to make or use the application. Modifications of these embodiments will occur to persons of skill in the art, and that the appended claims are intended to cover all such modifications that do not depart from the true spirit and scope of the application. Therefore, the application is not limited to the embodiments shown but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An umbrella opening and closing mechanism, characterized in that, The device includes a housing, a motor, a clutch, and a power output shaft. The motor is fixed to the bottom of the housing via a flange. The clutch is installed inside the housing, and the output shaft of the motor extends into the housing and is fixedly connected to the drive shaft of the clutch. The power output shaft is mounted on the top of the housing via a first bearing, and the driven shaft of the clutch is fixedly connected to the power output shaft. The clutch includes a clutch assembly and a clutch cover plate. The clutch assembly includes a driven member, a driving member, and two needle rollers. The power output shaft is fitted and fixed on the driven shaft of the driven member. The driven member has two corresponding slots in its cylindrical groove. The active component is located within the cylindrical groove, and the output shaft of the motor is fixedly connected to the active shaft of the active component; two needle rollers are respectively fixed on both sides of the active component, and the needle rollers are engaged with or disengaged from the slot; the clutch cover is sleeved on the active shaft and rotatably connected to it, and the clutch cover is fitted and fixed to the bottom of the housing; a magnet is provided at the end of the needle roller near the clutch cover; It also includes a bevel gear shaft, the shaft section of which is mounted on the side of the housing via a second bearing; the bottom of the power output shaft is provided with a first bevel tooth, and the second bevel tooth of the bevel gear shaft meshes with the first bevel tooth; It also includes a crank handle, wherein the extended end of the shaft segment has a crank handle interface, and the crank handle is mounted in the crank handle interface; When the motor outputs torque to the drive shaft, the drive component rotates, and the drive component moves the needle rollers to fall into the corresponding slots. The drive component engages with the driven component. When the power is manually input to rotate the bevel gear shaft, the second bevel gear meshes with the first bevel gear, driving the power output shaft to rotate. The needle rollers disengage from the slots, and the driven component and the drive component separate.

2. The umbrella opening and closing mechanism according to claim 1, characterized in that, The motor is a DC geared motor.

3. The umbrella opening and closing mechanism according to claim 1, characterized in that, A third bearing is installed between the housing and the cylindrical groove.

4. A rotating opening and closing umbrella, characterized in that, It includes an umbrella pole and an umbrella opening and closing mechanism as described in any one of claims 1-3, wherein the power output shaft is fixedly connected to the umbrella pole.

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