Automatic telescopic mechanism of umbrella middle rod and electric umbrella
By simplifying the telescopic structure of the central rod and using a pull cord and elastic components in conjunction with a motor control, the automatic telescopic movement of the central rod in an electric umbrella is achieved. This solves the problems of complex structure and high cost in existing technologies, reduces costs, and promotes the popularization of electric umbrellas.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-02-10
- Publication Date
- 2026-04-10
AI Technical Summary
The existing electric umbrellas have a complex telescopic structure, which results in high costs and high prices, preventing them from becoming widely used.
It adopts a simple telescopic structure for the middle rod, and utilizes the elastic components of the first and second pull ropes in the winding wheel, fixed pulley and retraction box to achieve automatic telescopic operation by controlling the telescopic movement of the middle rod through a motor.
The automatic extension and retraction of the central rod reduces costs, simplifies the structure, makes it suitable for ordinary consumers, and promotes the popularization of electric umbrellas.
Smart Images
Figure CN121817583A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to a kind of automatic telescopic mechanism of umbrella middle stick and electric umbrella. BACKGROUND
[0002] At present, the common electric umbrella on market because middle stick telescopic structure is complex, cost is high, leading to high price, unable to be widely popularized. SUMMARY
[0003] The purpose of the present application is to overcome the shortcomings of the prior art, provide an electric umbrella with simple middle stick telescopic structure and low cost.
[0004] The technical scheme of the automatic telescopic mechanism of umbrella middle stick of the present application is: a first middle stick (1), the outer wall of the first middle stick (1) is provided with a groove, the top of the first middle stick (1) is provided with an inner plug (9), the inner plug (9) is provided with a first fixed pulley (901) inside, the bottom of the first middle stick (1) is fixed on a handle (16), the handle is provided with a motor (1601), a power supply (1602), a winding wheel (1603), an umbrella opening button (1604) and an umbrella closing button (1605) inside; a second middle stick (2), the bottom of the second middle stick (2) is provided with a pulley seat (10), the pulley seat (10) is provided with a second fixed pulley (1001) inside, the top of the pulley seat (10) is connected with a first wire shortening box (6), the first wire shortening box (6) is provided with a first wire shortening spring (601), a first sliding piece (602) inside; a third middle stick (17), the third middle stick (17) is located in the middle of the first middle stick (1) and the second middle stick (2), the outer wall of the third middle stick (17) is provided with a groove, the bottom of the third middle stick (17) is provided with a sliding block (18), the sliding block (18) is provided with a fourth fixed pulley (1801) inside, the top of the third middle stick (17) is provided with a middle plug (19), the middle plug (19) is provided with a fifth fixed pulley (1901) inside; an upper honeycomb (11), the upper honeycomb (11) is provided with a third fixed pulley (1101) inside, the bottom of the upper honeycomb (11) is connected with a second wire shortening box (7), the second wire shortening box (7) is provided with a second wire shortening spring (701), a second sliding piece (702) inside.
[0005] The automatic telescopic mechanism of umbrella middle stick of the present application, when the middle stick structure is two branches, Figures 1-6 The technical scheme is: a first pull rope (3), one end of the first pull rope (3) is fixed on the winding wheel (1603), the other end passes through the first fixed pulley (901), the second fixed pulley (1001), the first wire shortening spring (601) and the first sliding piece (602) in sequence; a second pull rope (4), one end of the second pull rope (4) is fixed on the winding wheel (1603), the other end passes through the second wire shortening spring (701) and the second sliding piece (702) in sequence.
[0006] The automatic telescopic mechanism of a middle rod of an umbrella is characterized in that when the middle rod structure is three branches, as shown in Figures 5-8 The technical scheme is: a first pull rope (3) is fixed at one end on a winding wheel (1603), and at the other end, sequentially passes through a first fixed pulley (901), a fourth fixed pulley (1801), a fifth fixed pulley (1901), a second fixed pulley (1001), a first wire shortening spring (601), and a first sliding sheet (602); a second pull rope (4) is fixed at one end on the winding wheel (1603), and at the other end, sequentially passes through a second wire shortening spring (701) and a second sliding sheet (702).
[0007] The technical scheme of the automatic telescopic mechanism of a middle rod of an umbrella is that one end of the first pull rope (3) and the second pull rope (4) is reversely fixed on the winding wheel (1603), and the other end is fixed in the first wire shortening box (6) and the second wire shortening box (7) respectively, and the first wire shortening box (6) and the second wire shortening box (7) are provided with elastic members, the elastic members adjust the wire difference between the first pull rope (3) and the second pull rope (4) through telescoping in the middle rod telescoping process, so that the first pull rope (3) and the second pull rope (4) always maintain a tight state in the whole telescoping process.
[0008] The electric umbrella of the automatic telescopic mechanism of a middle rod of an umbrella is characterized in that when the middle rod structure is two branches, and the middle rod extension length is less than twice the lower nest lifting height when the umbrella is opened, as shown in Figures 1-6 The technical scheme is: a third wire shortening box (8) is fixed at the bottom of an inner plug (9), and the third wire shortening box (8) is provided with a third wire shortening spring (801) and a third sliding sheet (802); a third pull rope (5) is fixed at one end on the lower nest (12), and at the other end, sequentially passes through a third fixed pulley (1101), the third wire shortening spring (801), and the third sliding sheet (802).
[0009] The electric umbrella of the automatic telescopic mechanism of a middle rod of an umbrella is characterized in that when the middle rod structure is two branches, and the middle rod extension length is less than twice the lower nest lifting height when the umbrella is opened, as shown in Figures 1-6 The technical scheme is: a third wire shortening box (8) is provided with an elastic member, the elastic member will bounce the excess third pull rope (5) when the umbrella is closed, and temporarily stores the third pull rope (5) in the third wire shortening box (8), and when the umbrella is opened next time, the elastic member will be forced to compress and release the third pull rope (5) in the third wire shortening box (8).
[0010] The electric umbrella of the automatic telescopic mechanism of a middle rod of an umbrella is characterized in that when the middle rod structure is three branches, and the middle rod extension length is twice the lower nest lifting height, as shown in Figures 5-8The technical scheme is: a lower nest (12), wherein a movable pulley (1201) is arranged in the lower nest (12); a third pull rope (5), one end of the third pull rope (5) is fixed to an inner plug (9), the other end of the third pull rope (5) is sequentially threaded through a third fixed pulley (1101) and the movable pulley (1201), and finally fixed to an upper nest (11). BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 is a schematic diagram of an open umbrella state of the two-branch middle rod structure of the present application.
[0012] Figure 2 is a schematic diagram of a closed umbrella state of the two-branch middle rod structure of the present application.
[0013] Figure 3 is a sectional view of the two-branch middle rod structure of the present application.
[0014] Figure 4 is a schematic diagram of a structure of a third line shortening box in a closed umbrella state of the two-branch middle rod structure of the present application.
[0015] Figure 5 is a schematic diagram of a structure of a first line shortening box of the present application.
[0016] Figure 6 is a schematic diagram of a structure of a second line shortening box of the present application.
[0017] Figure 7 is a schematic diagram of an open umbrella state of the three-branch middle rod structure of the present application.
[0018] Figure 8 is a sectional view of the three-branch middle rod structure of the present application.
[0019] In the figure: 1, first middle rod; 2, second middle rod; 3, first pull rope; 4, second pull rope; 5, third pull rope; 6, first line shortening box; 601, first line shortening spring; 602, first sliding piece; 7, second line shortening box; 701, second line shortening spring; 702, second sliding piece; 8, third line shortening box; 801, third line shortening spring; 802, third sliding piece; 9, inner plug; 901, first fixed pulley; 10, pulley seat; 1001, second fixed pulley; 11, upper nest; 1101, third fixed pulley; 12, lower nest; 1201, movable pulley; 13, umbrella main bone; 14, umbrella branch bone; 15, umbrella closing spring; 16, handle; 1601, motor; 1602, battery; 1603, winding wheel; 1604, umbrella opening button; 1605, umbrella closing button; 17, third middle rod; 18, sliding block; 1801, fourth fixed pulley; 19, middle plug; 1901, fifth fixed pulley; DETAILED DESCRIPTION
[0020] The application relates to an automatic telescopic mechanism of a middle rod of an umbrella and an electric umbrella, which is controlled by pressing a control button with fingers during use, the control button is divided into an umbrella opening button (1604) and an umbrella closing button (1605), the control button is connected with a circuit control board, the circuit control board is used for controlling the forward rotation or reverse rotation of a motor (1602), the output shaft of the motor is connected with a winding wheel (1603), so that the winding and unwinding of first and second pull ropes (3 and 4) are driven.
[0021] When the middle rod structure is two branches, as shown in Figures 1-6 , when the umbrella needs to be opened, the umbrella opening button (1604) is pressed with one hand, at this moment, the motor (1601) rotates in the forward direction, the winding wheel (1603) drives the first pull rope (3) to be wound, and the second pull rope (4) is unwound at the same time, at this moment, the first fixed pulley (901) is stressed, drives the pulley seat (10) to slide upwards along the groove in the outer wall of the first middle rod (1), and the second middle rod (2) is stretched out, the upper honeycomb (11) drives the third pull rope (5) to be lifted, at the same time, the third winding spring (801) in the third winding box (8) is stressed and compressed, the third pull rope (5) is completely taut, and after overcoming the resistance of the umbrella closing spring (15), the umbrella surface is opened.
[0022] When the middle rod structure is two branches, as shown in Figure 1 — Figure 6 , when the umbrella needs to be closed, the umbrella closing button (1605) is pressed with one hand, at this moment, the motor (1601) rotates in the reverse direction, the winding wheel (1603) drives the first pull rope (3) to be unwound, and the second pull rope (4) is wound at the same time, at this moment, the second winding box (7) is stressed, drives the upper honeycomb (11) to slide downwards, thereby driving the second middle rod (2) to be retracted, at the same time, the umbrella closing spring (15) drives the main umbrella rib (13) and the branch umbrella rib (14) to be closed, the umbrella surface is closed, at the same time, the third winding spring (801) rebounds, and the excess third pull rope (5) is stretched into the third winding box (8).
[0023] When the middle rod structure is three branches, as shown in Figure 5 — Figure 8 , when the umbrella needs to be opened, the umbrella opening button (1604) is pressed with one hand, at this moment, the motor (1601) rotates in the forward direction, the winding wheel (1603) drives the first pull rope (3) to be wound, and the second pull rope (4) is unwound at the same time, at this moment, the first fixed pulley (901) is stressed, drives the sliding block (18) to slide upwards along the groove in the outer wall of the first middle rod (1), at the same time, drives the pulley seat (10) to slide upwards along the groove in the outer wall of the third middle rod (17), the third middle rod (17) and the second middle rod (2) are stretched out, the upper honeycomb (11) drives the third pull rope (5) to be lifted, after overcoming the resistance of the umbrella closing spring (15), the umbrella surface is opened.
[0024] When the middle rod structure is three branches, as shown in Figure 5 — Figure 8When the umbrella needs to be closed, press the closing button (1605) with one hand, at this time the motor (1601) reverses, the winding wheel (1603) drives the first pull rope (3) to release the rope, while the second pull rope (4) retracts the rope, at this time the second wire shrinking box (7) is stressed, driving the upper honeycomb (11) to slide downward, thereby driving the second middle rod (2) and the third middle rod (17) to retract, at the same time, the closing spring (15) drives the main umbrella rib (13) and the branch umbrella rib (14) to close, and the umbrella canopy is closed.
Claims
1. An automatic telescopic mechanism for an umbrella's central bar, characterized in that: The first central rod (1) has a groove on its outer wall and an inner plug (9) at its top. The inner plug (9) contains a first fixed pulley (901). The bottom of the first central rod (1) is fixed to a handle (16). The handle contains a motor (1601), a power supply (1602), a winding wheel (1603), an umbrella opening button (1604), and an umbrella closing button (1605). The second central rod (2) has a pulley seat (10) at its bottom. The pulley seat (10) contains a second fixed pulley (1001). The top of the pulley seat (10) is connected to a first coiling box (6). The first coiling box (6) contains a first coiling spring (601) and a first sliding plate. (602); Third middle rod (17), the third middle rod (17) is located between the first middle rod (1) and the second middle rod (2), the outer wall of the third middle rod (17) is provided with a groove, the bottom of the third middle rod (17) is provided with a sliding block (18), the sliding block (18) is provided with a fourth fixed pulley (1801), the top of the third middle rod (17) is provided with a middle plug (19), the middle plug (19) is provided with a fifth fixed pulley (1901); Upper honeycomb (11), the upper honeycomb (11) is provided with a third fixed pulley (1101), the bottom of the upper honeycomb (11) is connected to the second wire retractor box (7), the second wire retractor box (7) is provided with a second wire retractor spring (701) and a second sliding plate (702).
2. The automatic telescopic mechanism for an umbrella rod as described in claim 1, wherein the rod structure consists of two rods, as shown in Figures 1-6, is characterized in that: The first pull rope (3) has one end fixed to the winding wheel (1603) and the other end passes through the first fixed pulley (901), the second fixed pulley (1001), the first coil spring (601), and the first sliding plate (602) in sequence; the second pull rope (4) has one end fixed to the winding wheel (1603) and the other end passes through the second coil spring (701) and the second sliding plate (702) in sequence.
3. The automatic telescopic mechanism for the umbrella's central rod as described in claim 1, wherein the central rod structure consists of three rods, as shown in Figures 5-8, is characterized in that: The first pull rope (3) has one end fixed to the winding wheel (1603) and the other end passes through the first fixed pulley (901), the fourth fixed pulley (1801), the fifth fixed pulley (1901), the second fixed pulley (1001), the first coil spring (601), and the first sliding plate (602) in sequence; the second pull rope (4) has one end fixed to the winding wheel (1603) and the other end passes through the second coil spring (701) and the second sliding plate (702) in sequence.
4. The automatic telescopic mechanism for an umbrella rod as described in claim 1, characterized in that: The second middle rod (2) is provided with a first shrink box (6) and a second shrink box (7). The first shrink box (6) and the second shrink box (7) are provided with elastic elements. During the extension and retraction of the middle rod, the elastic elements will adjust the line difference between the first pull rope (3) and the second pull rope (4) by extending and retracting.
5. An electric umbrella with an automatic telescopic mechanism for the middle rod as described in claim 1, wherein the middle rod structure consists of two rods, and the extended length of the middle rod is less than twice the lifting height of the lower honeycomb, as shown in Figures 1-6, characterized in that: The third wire retractor (8) is fixed to the bottom of the inner plug (9). The third wire retractor (8) is provided with a third wire retractor spring (801) and a third sliding plate (802); and a third pull rope (5). One end of the third pull rope (5) is fixed to the lower honeycomb (12), and the other end passes through the third fixed pulley (1101), the third wire retractor spring (801), and the third sliding plate (802) in sequence.
6. An electric umbrella with an automatic telescopic mechanism for the central bar as described in claim 1, wherein the central bar structure consists of three branches, and the extended length of the central bar is twice the lifting height of the lower honeycomb structure, as shown in Figures 5-8, is characterized in that: The lower honeycomb (12) is equipped with a movable pulley (1201); the third pull rope (5) has one end fixed to the inner plug (9), and the other end passes through the third fixed pulley (1101) and the movable pulley (1201) in sequence, and is finally fixed to the upper honeycomb (11).