CN220010069U - Quick release locking structure of electric glider paddle - Google Patents

Abstract

The utility model discloses a quick release locking structure of an electric glider, which comprises a propeller component, a fastening bolt and an output shaft, wherein the fastening bolt and the output shaft are respectively positioned at two sides of the propeller component, the center of the propeller component is provided with a middle through hole, the fastening bolt can be rotatably inserted into the middle through hole to be in threaded connection with the output shaft at the other side, the propeller component is arranged on the output shaft, a limiting component is arranged between the propeller component and the output shaft to limit the relative rotation of the propeller component and the output shaft, a locking piece is arranged on the propeller component and can move relative to the propeller component in the first axis direction so as to switch between a locking position and an unlocking position, and when the locking piece moves to the locking position, the locking piece limits the relative rotation of the fastening bolt and the propeller component; when the locking member is moved to the unlocked position, relative rotation is resumed between the fastening bolt and the propeller assembly.

Description

Quick release locking structure of electric glider paddle

Technical Field

The utility model relates to an electric glider, in particular to a rapid tripping locking structure of an electric glider paddle.

Background

The electric glider is used as aviation sports equipment, is suitable for aviation to experience activities such as flight, aeroperformance, aerial advertisement, aviation shooting and the like, and is a light power aircraft popular in the aviation sports field.

For example, patent CN201553300U discloses an electric power umbrella, which comprises a parafoil for providing lift force for the power umbrella, wherein the parafoil is suspended by an umbrella rope to form a protective frame, a driving device is arranged in the protective frame, a propeller is arranged on a propeller mounting plate of the driving device, the propeller mounting plate is fixed with an output shaft, a plurality of annular array threaded holes are arranged on the propeller mounting plate, bolt holes corresponding to the threaded holes are arranged on the propeller, and the bolts penetrate through the corresponding bolt holes and are connected with the threaded holes on the propeller mounting plate.

An electrically driven power parachute power plant and electrically driven power parachute as disclosed in patent CN212267861U, comprising a body, a power battery system, a propeller system and a control handle; the machine body comprises a central disc, a support arm and a protective frame; the central disc is connected with the support arm, the support arm is connected with the protective frame, and the section of the support arm along the radial direction of the machine body is a pneumatic wing profile and is used for generating a moment for counteracting the reverse moment of the propeller system; the power battery system and the propeller system are arranged on the central disc, the power battery system is connected with the propeller system, the propeller system is connected with the control handle, and the propeller system comprises a motor controller, a motor and a propeller; the motor is arranged on the central disk and is positioned above the power battery system, and the motor controller and the propeller are arranged on the motor; the motor controller is connected with the motor, the power battery system and the control handle and is used for monitoring and controlling the working state of the motor; the propeller is oriented to provide forward power for the machine body when rotating anticlockwise, and is a two-blade straight propeller or a three-blade propeller, and is made of carbon fiber reinforced composite materials.

The problem that current electric glider exists: 1. the screw bolts penetrate through corresponding screw holes in the screw propeller to be in threaded connection with screw propeller mounting discs on the output shaft, so that the screw propeller is stable in structure, but when the screw propeller is disassembled, the screw propeller can be disassembled only by disassembling all the screw bolts, so that the disassembly and the assembly are complicated, and the speed is low; 2. the screw bolt penetrates through the center of the screw propeller and is fixedly connected with the output shaft, the screw bolt is fast to disassemble and assemble, only one screw bolt is needed to be disassembled or assembled, but in the rotating process of the screw propeller, the screw bolt can be influenced by factors such as rotating inertia to automatically loosen the screw bolt, the screw bolt falls off, and the screw bolt is unstable.

Disclosure of Invention

Based on the defects that the bolts are loose and unstable in connection with a single bolt, the bolts are connected with a fixed seat through a plurality of bolts, the disassembly and assembly are complex, the speed is low and the like, the utility model provides the quick tripping locking structure of the electric glider paddle, which is stable in structure and can be quickly disassembled and assembled.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides an electric glider oar takes off locking structure fast, includes screw subassembly, a fastening bolt and is used for outputting the output shaft of rotational energy, screw subassembly is independent overall structure, fastening bolt and output shaft are located the both sides of screw subassembly respectively, screw subassembly's center is equipped with middle through-hole, the rotatable output shaft threaded connection of inserting middle through-hole and opposite side of fastening bolt installs screw subassembly on the output shaft, its characterized in that is equipped with spacing subassembly between screw subassembly and the output shaft and restricts the relative rotation of screw subassembly and output shaft, be equipped with the locking piece on the screw subassembly, the locking piece can be moved in first axis direction relative screw subassembly to remove the switching between locking position and unblock position,

when the locking piece moves to a locking position, the locking piece limits the relative rotation of the fastening bolt and the screw assembly; when the locking member is moved to the unlocked position, relative rotation is resumed between the fastening bolt and the propeller assembly.

The further preferable technical scheme of the utility model is as follows: the locking piece is sleeved on the outer side of the fastening bolt and can move relative to the fastening bolt along the length extending direction of the fastening bolt so as to switch between a locking position and an unlocking position, a hole channel for the fastening bolt to pass through is formed in the locking piece, and relative rotation between the locking piece and the propeller assembly is limited.

The further preferable technical scheme of the utility model is as follows: the fastening bolt comprises a rod body and a head part connected to one end of the rod body, the locking part is arranged in the middle through hole, the rod body of the fastening bolt penetrates through the pore canal and is connected with the output shaft, the head part size of the fastening bolt is larger than the opening size of the pore canal, the middle through hole is internally provided with a reset spring to drive the locking part to move to a locking position towards one side of the head part of the fastening bolt, a gap is reserved between the head part of the fastening bolt and the inner wall of the middle through hole, a tool for disassembling the fastening bolt is inserted, and when the tool is sleeved on the head part of the fastening bolt, the tool is inserted into the gap and pushes the locking part to move to an unlocking position against the elastic force of the reset spring.

The further preferable technical scheme of the utility model is as follows: the inner wall of the middle through hole is provided with a chute, the locking piece is provided with a sliding part corresponding to the chute, the sliding part is arranged in the chute and can move along the chute in the first axis direction, and the sliding part is in sliding connection with the chute to limit the relative rotation of the locking piece and the propeller assembly.

The further preferable technical scheme of the utility model is as follows: the locking piece is provided with a locking part, the locking part enters the pore canal when the locking piece moves to the locking position, the locking part is locked with the locking piece to limit the relative rotation of the fastening bolt and the propeller component, the locking part is separated from the pore canal when the locking piece moves to the unlocking position, and a gap for the relative rotation of the fastening bolt and the locking piece is arranged between the pore canal and the rod body of the fastening bolt.

The further preferable technical scheme of the utility model is as follows: the clamping part is at least one first clamping plane arranged on the outer wall of the rod body, a second clamping plane corresponding to the first clamping plane is arranged on the inner wall of the pore canal, and the first clamping plane is in surface-to-surface joint with the second clamping plane so as to limit the relative rotation of the fastening bolt and the propeller component.

The further preferable technical scheme of the utility model is as follows: the screw assembly comprises an upper clamping plate, a lower clamping plate and a paddle body with paddles, wherein the upper clamping plate and the lower clamping plate are clamped on two sides of the paddle body, the upper clamping plate, the paddle body and the lower clamping plate are fixedly connected into a whole through connecting bolts, through holes in the middle are formed in the upper clamping plate, the paddle body and the lower clamping plate, the through holes are butted to form middle through holes, grooves are formed in the upper clamping plate on one side, facing the paddle body, of the upper clamping plate and the paddle body in a surrounding mode, the grooves are formed in the grooves, positioning holes corresponding to the grooves are formed in the outer end face of the upper clamping plate, the positioning holes fall on the bottoms of the grooves, positioning columns corresponding to the positioning holes are arranged on the sliding portions, and the positioning columns are inserted into the positioning holes when the locking pieces move to the locking positions.

The further preferable technical scheme of the utility model is as follows: the one end that the output shaft is used for connecting the screw subassembly is equipped with cup joints the portion, and one side of cup joints the portion is equipped with the step, and the screw subassembly cup joints in cup joints the portion outside to keep away from one side of fastening bolt head and support on the step, fastening bolt's body of rod insert in the middle through-hole with cup joint the screw hole threaded connection on the portion terminal surface, spacing subassembly is including establishing at least one third joint plane on cup joints the outer wall of portion and establish on the middle through-hole inner wall with the fourth joint plane that the third joint plane corresponds, third joint plane and fourth joint plane face and face laminating joint, in order to restrict the relative rotation of screw subassembly and output shaft.

The further preferable technical scheme of the utility model is as follows: the first axial direction is parallel or coincident with the axial line direction of the fastening bolt, and the axial line direction of the fastening bolt is parallel or coincident with the axial line direction of the output shaft.

The further preferable technical scheme of the utility model is as follows: the length of the sleeving part is larger than the maximum moving range of the locking piece in the first axis direction.

Compared with the prior art, the screw assembly has the advantages that the screw assembly is installed on the output shaft through the fastening bolt penetrating through the middle through hole of the screw assembly and connected with the output shaft, when the screw assembly is used, the locking piece moves to the locking position, at the moment, the screw assembly is limited by the relative rotation of the limiting assembly and the output shaft, the fastening bolt and the screw assembly are limited by the locking piece to rotate relatively, the fastening bolt cannot form autorotation through the mutual coordination between the output shaft and the screw assembly and between the screw assembly and the fastening bolt, so that the problem of loosening and disengaging after the fastening bolt rotates is solved, the screw assembly is stable in structure, when the screw assembly is required to be disassembled, the locking piece is moved to the unlocking position, the fastening bolt and the screw assembly can rotate relatively, the screw assembly can be disassembled by screwing out one fastening bolt for connection, and the screw assembly is fast and convenient to disassemble.

Drawings

The utility model will be described in further detail below in connection with the drawings and the preferred embodiments, but it will be appreciated by those skilled in the art that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the utility model. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.

FIG. 1 is a schematic view of the overall structure of an electric glider;

FIG. 2 is a schematic illustration of a first configuration of an output shaft with a propeller assembly;

FIG. 3 is a schematic diagram II of an output shaft with a propeller assembly;

FIG. 4 is a disassembled view of the fastening bolt, the propeller assembly, and the output shaft;

FIG. 5 is an exploded view of the propeller assembly;

FIG. 6 is a partially exploded view of the propeller assembly;

FIG. 7 is a schematic view in cross-section of the locking member of the present utility model in the locked position;

FIG. 8 is a schematic view in cross-section of the locking element of the present utility model in an unlocked position;

fig. 9 is a schematic view of a fastening bolt structure.

In the figure: 1. an output shaft; 2. a propeller assembly; 3. a fastening bolt; 4. a middle through hole; 5. a step; 6. a socket joint part; 7. a third clamping plane; 8. a second threaded hole; 9. a locking member; 10. a lower clamping plate; 11. a first threaded hole; 12. a plug-in part; 13. a fourth clamping plane; 14. a paddle body; 15. a paddle; 16. a return spring; 17. a sliding part; 18. positioning columns; 19. a duct; 20. a second clamping plane; 21. an upper clamping plate; 22. a first bolt hole; 23. positioning holes; 24. a connecting bolt; 25. a second bolt hole; 26. a sleeve portion; 27. a groove; 28. a first axis; 29. spacing; 30. a chute; 31. a clamping part; 32. a head; 33. a first clamping plane; 34. a polish rod section; 35. a threaded section; 36. a rod body.

Detailed Description

Preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. Those skilled in the art will appreciate that these descriptions are merely illustrative, exemplary, and should not be construed as limiting the scope of the utility model.

It should be noted that: like reference numerals denote like items in the following figures, and thus once an item is defined in one figure, it may not be further defined and explained in the following figures.

The utility model provides an electric glider oar takes off locking structure fast, including screw subassembly 2, a fastening bolt 3 and be used for exporting rotational energy's output shaft 1, screw subassembly 2 is an overall structure independent of output shaft 1, fastening bolt 3 and output shaft 1 are located screw subassembly 2 both sides respectively, screw subassembly 2's center is equipped with middle through-hole 4, middle through-hole 4 runs through screw subassembly 2 front and back both sides face, fastening bolt 3 is located screw subassembly 2's front side, output shaft 1 is located screw subassembly 2's rear side, fastening bolt 3 is rotatable backward inserts middle through-hole 4 and the output shaft 1 threaded connection of opposite side, install screw subassembly 2 on this output shaft 1. The fastening bolt 3 can rotate relative to the propeller assembly 2 when inserted into the intermediate through hole 4.

A limiting component is arranged between the propeller component 2 and the output shaft 1, and the propeller component 2 is limited by relative rotation of the limiting component and the output shaft 1.

There are various types of limit components for limiting relative rotation, such as:

the scheme is that the end fixing of output shaft 1 for installing screw subassembly 2 has the mount pad, and spacing subassembly is including establishing spacing post on the mount pad and establishing the spacing hole that corresponds with spacing post on screw subassembly 2, when the rear side top of screw subassembly 2 on the mount pad, the relative rotation of spacing post inserted spacing downthehole restriction output shaft 1 and screw subassembly 2.

Alternatively, the limiting assembly comprises a spline arranged on the end portion of the output shaft 1 for installing the propeller assembly 2, and a spline groove arranged on the rear side of the propeller assembly 2, and the spline is matched with the spline groove to limit the relative rotation of the propeller assembly 2 and the output shaft 1.

As shown in fig. 4 and 5, for example, this patent again, one end that output shaft 1 is used for connecting screw subassembly 2 is equipped with cup joints portion 6, one side of cup joints portion 6 is equipped with step 5, screw subassembly 2 cup joints in cup joints portion 6 outside through middle through-hole 4, and the rear side of screw subassembly 2 supports on step 5, be equipped with second screw hole 8 on the terminal surface of cup joints portion 6, fastening bolt 3 inserts in the middle through-hole 4 with cup joints second screw hole 8 threaded connection on the terminal surface of portion 6, install screw subassembly 2 on output shaft 1, spacing subassembly includes at least one third joint plane 7 of establishing on the outer wall of cup joints portion 6, and establish on middle through-hole 4 inner wall with the fourth joint plane 13 that third joint plane 7 corresponds, third joint plane 7 is laminated with the face joint with the face, in order to restrict the relative rotation of screw subassembly 2 and output shaft 1. Preferably, six third clamping planes 7 are arranged on the circumferential outer wall of the sleeving part 6 in a ring-shaped array by taking the axial lead of the output shaft 1 as a center, and six fourth clamping planes 13 matched with the sleeving part 6 are arranged on a section of inner wall of the middle through hole 4 positioned at the rearmost side.

The limiting assembly is not limited to the above structures, and conventional limiting assemblies which can separate the propeller assembly 2 from the output shaft 1 after the fastening bolt 3 is removed are suitable for this patent.

The screw assembly 2 is provided with a locking piece 9, the locking piece 9 can move relative to the screw assembly 2 in the direction of a first axis 28 so as to switch between a locking position and an unlocking position, and when the locking piece 9 moves to the locking position, the locking piece 9 limits the relative rotation of the fastening bolt 3 and the screw assembly 2; when the locking member 9 is moved to the unlocking position, the relative rotation between the tightening bolt 3 and the propeller assembly 2 is resumed.

The locking structure of the locking member 9 is various, but not limited to the several locking members 9, for example:

in one embodiment, the locking member 9 includes a locking pin and a spring, the locking pin is disposed in the propeller assembly 2 and can move along the radial direction of the propeller assembly 2, the fastening bolt 3 is provided with an insertion hole matched with the locking pin, the spring pushes the locking pin to move to a locking position along the radial direction toward the center, the locking pin is inserted into the insertion hole on the fastening bolt 3 to limit the relative rotation of the fastening bolt 3 and the propeller assembly 2, when the locking pin moves to an unlocking position outwards due to an external force, the locking pin is separated from the insertion hole, at this time, the fastening bolt 3 and the propeller assembly 2 resume the relative rotation again, and the direction of the first axis 28 is the radial direction of the propeller assembly 2.

In another scheme, the locking piece 9 comprises a spring and a U-shaped piece arranged on the screw assembly 2, two symmetrically arranged clamping faces matched with the U-shaped piece are arranged on the fastening bolt 3, the direction of the first axis 28 is the radial direction of the screw assembly 2, when the spring drives the U-shaped piece to move inwards to a locking position along the radial direction, the U-shaped piece is clamped on the outer side of the fastening bolt 3, two symmetrical clamping faces on the two sides of the U-shaped piece and the fastening bolt 3 are clamped to limit the relative rotation of the fastening bolt 3 and the screw assembly 2, and when the U-shaped piece moves outwards to an unlocking position under the action of external force, the U-shaped piece is separated from the fastening bolt 3, and the fastening bolt 3 and the screw assembly 2 resume the relative rotation again.

As shown in fig. 5-8, for example, the locking member 9 is sleeved on the outer side of the fastening bolt 3, and moves relative to the fastening bolt 3 along the length extending direction of the fastening bolt 3 so as to switch between a locking position and an unlocking position, a hole 19 through which the fastening bolt 3 passes is formed in the locking member 9, and relative rotation between the locking member 9 and the propeller assembly 2 is limited.

Preferably, the locking element 9 is arranged in the intermediate through hole 4. Preferably, the direction of the first axis 28 is parallel to or coincident with the direction of the axis of the fastening bolt 3, and the direction of the axis of the fastening bolt 3 is parallel to or coincident with the direction of the axis of the output shaft 1, and most preferably, the direction of the first axis 28, the direction of the axis of the fastening bolt 3, and the direction of the axis of the output shaft 1 are all coincident.

The inner wall of the middle through hole 4 is provided with a chute 30, the locking piece 9 is provided with a sliding part 17 corresponding to the chute 30, the sliding part 17 is arranged in the chute 30 and can move along the chute 30 in the direction of the first axis 28, and the sliding part 17 is in sliding connection with the chute 30 to limit the relative rotation of the locking piece 9 and the propeller assembly 2. Preferably, three sliding grooves 30 are annularly arranged on the inner wall of the middle through hole 4, three sliding parts 17 corresponding to the three sliding grooves 30 are convexly arranged on the outer side wall of the locking piece 9, the shape of each sliding part 17 is matched with that of each sliding groove 30, and when the three sliding parts 17 are respectively connected in the three corresponding sliding grooves 30 in a sliding mode, the locking piece 9 is limited to move on the first axis 28 and cannot rotate relative to the propeller assembly 2.

As shown in fig. 5 and 6, specifically, the propeller assembly 2 includes an upper clamping plate 21, a lower clamping plate 10 and a propeller body 14 with a blade 15, the upper clamping plate 21 and the lower clamping plate 10 are clamped on two sides of the propeller body 14, a plurality of first bolt holes 22 in annular arrays are arranged on the upper clamping plate 21, second bolt holes 25 corresponding to the first bolt holes 22 are arranged on the propeller body 14, a first threaded hole 11 corresponding to the first bolt holes 22 is arranged on the lower clamping plate 10, the first bolt holes 22, the second bolt holes 25 and the first threaded holes 11 are in butt joint, the connecting bolts 24 penetrate through the first bolt holes 22 and the second bolt holes 25 and are in threaded connection with the first threaded holes 11, the upper clamping plate 21, the propeller body 14 and the lower clamping plate 10 are fixedly connected into a whole, through holes in the middle are arranged on the upper clamping plate 21, the propeller body 14 and the lower clamping plate 10, and the through holes 4 are in butt joint. The fourth clamping plane 13 is arranged on the inner wall of the through hole of the lower clamping plate 10.

As shown in fig. 9, the side of the upper clamping plate 21 facing the paddle body 14 is provided with three grooves 27, when the upper clamping plate 21 is clamped on the front side of the paddle body 14, the grooves 27 and the paddle body 14 enclose to form the sliding grooves 30, and the bottoms of the grooves 27 and the front side surface of the paddle body 14 limit the maximum movement range of the sliding part 17 in the direction of the first axis 28, that is, limit the maximum movement range of the locking member 9 in the direction of the first axis 28.

The fastening bolt 3 comprises a rod body 36 and a head 32 connected to one end of the rod body 36, and at least one section of the rod body 36 is provided with external threads for being in threaded connection with the second threaded hole 8 on the sleeving part 6. Preferably, the rod 36 includes a threaded section 35 distal from the head 32 and a polish rod section 34 located between the threaded section 35 and the head 32.

The shank 36 of the fastening bolt 3 is connected to the output shaft 1 through the opening 19 of the locking element 9.

As shown in fig. 7 and 8, the rod 36 is provided with a locking portion 31, when the locking member 9 moves to the locking position, the locking portion 31 enters the hole 19, the locking portion 31 is locked with the locking member 9 to limit the relative rotation of the fastening bolt 3 and the propeller assembly 2, when the locking member 9 moves to the unlocking position, the locking portion 31 is separated from the hole 19 of the locking member 9, and a gap for the relative rotation of the fastening bolt 3 and the locking member 9 is provided between the hole 19 and the rod 36 of the fastening bolt 3.

Specifically, the clamping portion 31 is disposed between the polish rod section 34 and the head 32, the clamping portion 31 is at least one first clamping plane 33 disposed on an outer wall of the rod body 36, a second clamping plane 20 corresponding to the first clamping plane 33 is disposed on an inner wall of the duct 19, and the clamping portion 31 enters the duct 19 when the locking member 9 moves to the locking position, so that the first clamping plane 33 and the second clamping plane 20 are in surface-to-surface joint to limit relative rotation between the fastening bolt 3 and the propeller assembly 2. Preferably, six first clamping planes 33 which take the axial lead of the fastening bolt 3 as a central annular array are arranged on the outer wall of the rod body 36, six second clamping planes 20 which respectively correspond to the six first clamping planes 33 are arranged on the inner wall of the pore canal 19, when the locking piece 9 moves forwards to the locking position, the clamping part 31 enters into the pore canal 19, so that the first clamping planes 33 and the second clamping planes 20 are in surface-to-surface joint to limit the relative rotation of the fastening bolt 3 and the propeller assembly 2, when the locking piece 9 moves backwards, the pore canal 19 is separated from the clamping part 31 and moves onto the polish rod section 34, a gap for the relative rotation of the fastening bolt 3 and the locking piece 9 is arranged between the pore canal 19 and the polish rod section 34, and the size of the rod body 36 where the clamping part 31 is positioned is larger than the size of the polish rod section 34.

The screw assembly 2 is installed on the output shaft 1 by penetrating the middle through hole 4 of the screw assembly 2 through the fastening bolt 3 and being connected with the output shaft 1, when the screw assembly is used, the locking piece 9 moves to the locking position, at the moment, the screw assembly 2 is limited by the relative rotation of the limiting assembly and the output shaft 1, the fastening bolt 3 and the screw assembly 2 are limited by the locking piece 9 to rotate relatively, the fastening bolt 3 cannot form autorotation by mutually matching the output shaft 1 with the screw assembly 2 and the screw assembly 2 with the fastening bolt 3, so that the problem of loosening and disengaging after the fastening bolt 3 rotates is solved, the structure is more stable, when the screw assembly is required to be disassembled, the locking piece 9 is moved to the unlocking position, at the moment, the fastening bolt 3 and the screw assembly 2 can rotate relatively, and the screw assembly 2 can be disassembled by outwards screwing out the fastening bolt 3 for connection, so that the screw assembly 2 is fast and convenient to disassemble.

As shown in fig. 7, the head 32 of the fastening bolt 3 is larger than the opening of the hole 19, the intermediate through hole 4 is provided with a return spring 16 therein to drive the locking member 9 to move toward the head 32 of the fastening bolt 3 to the locking position, the return spring 16 presses the locking member 9 against the head 32 of the fastening bolt 3, and a space 29 is provided between the head 32 of the fastening bolt 3 and the inner wall of the intermediate through hole 4, and the space 29 is used for inserting a tool for removing the fastening bolt 3, which may be a socket wrench.

When the socket spanner is put on the head 32 of the fastening bolt 3, the tool is inserted into the space 29 and pushes the locking member 9 to move backward to the unlocking position against the elastic force of the return spring 16. The unlocking can be completed when the tool sleeve is unlocked by one key, the operation is more convenient and quick, and the quick tripping is realized. The fastening bolt 3 is a hexagonal bolt.

The rear side of the locking piece 9 is provided with a sleeve part 26 which extends out, the lower clamping plate 10 is provided with a plug-in part 12 which is inserted into a through hole of the paddle body 14, the reset spring 16 is sleeved outside the fastening bolt 3, one end of the reset spring 16 is propped against the plug-in part 12, the other end of the reset spring 16 is sleeved outside the sleeve part 26 and propped against the rear side of the locking piece 9, and the reset spring 16 is limited to interfere with the fastening bolt 3 when the fastening bolt 3 passes through.

As shown in fig. 6, the outer end surface of the upper plate 21 is provided with positioning holes 23 corresponding to the grooves 27, the positioning holes 23 are located at the bottoms of the grooves 27, the sliding portion 17 is provided with positioning posts 18 corresponding to the positioning holes 23, and when the locking member 9 moves to the locking position, the positioning posts 18 are inserted into the corresponding positioning holes 23, so that the locking member 9 can more stably restrict the rotation of the fastening bolt 3 in the locking position.

In addition, the length of the socket 6 is greater than the maximum movement range of the locking member 9 in the direction of the first axis 28, and the propeller assembly 2 is prevented from moving to one side relative to the output shaft 1 to be separated from the socket 6, so that the propeller assembly 2 and the output shaft 1 rotate.

The use principle is as follows: during installation, the screw assembly 2 is sleeved on the sleeving part 6 through the middle through hole 4, the lower clamping plate 10 is propped against the step 5, at the moment, the third clamping plane 7 is clamped with the fourth clamping plane 13 in a surface-to-surface joint mode, relative rotation of the screw assembly 2 and the output shaft 1 is limited, the rod body 36 of the fastening bolt 3 is inserted into the middle through hole 4 and is in threaded connection with the end face of the sleeving part 6, the fastening bolt 3 is rotated relative to the screw assembly 2 through the sleeve spanner sleeve on the head part 32 of the fastening bolt 3, the fastening bolt 3 is screwed tightly, after the sleeve spanner is taken down, the reset spring 16 pushes the locking piece 9 to move forwards to a locking position, the locking piece 9 is pressed on the head part 32 of the fastening bolt 3, at the moment, the clamping part 31 of the rod body 36 of the fastening bolt 3 enters into the pore canal 19, the surface-to-surface joint mode of the first clamping plane 33 and the second clamping plane 20 is clamped with the surface, the fastening bolt 3 and the screw assembly 2 are limited, at the moment, the screw assembly 2 is rotated relatively, the fastening bolt 3 is limited, the screw assembly 2 is rotated tightly, the fastening bolt 3 is screwed tightly, the rotation is completed through the locking piece 9, the locking piece 3 is rotated relatively, the screw assembly is screwed, after the screw assembly is rotated, and the output shaft 1 can drive the screw assembly 2 to rotate.

When the screw assembly is required to be disassembled, the socket spanner is sleeved on the head 32 of the fastening bolt 3, the socket spanner is inserted into the space 29 between the head 32 and the middle through hole 4, the locking piece 9 is pushed backwards to the unlocking position, the pore canal 19 of the locking piece 9 is separated from the clamping connection with the clamping connection part 31, the fastening bolt 3 can rotate relative to the screw assembly 2, the fastening bolt 3 is screwed down by rotating the socket spanner, the screw assembly 2 sleeved on the sleeving part 6 can be taken down, and the screw assembly is quickly disassembled.

The quick release locking structure of the electric glider paddle provided by the utility model is described above, and specific examples are applied to illustrate the principle and the implementation of the utility model, and the description of the above examples is only used for helping to understand the utility model and the core idea. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (10)

1. The utility model provides an electric glider oar takes off locking structure fast, includes screw subassembly, a fastening bolt and is used for outputting the output shaft of rotational energy, screw subassembly is independent overall structure, fastening bolt and output shaft are located the both sides of screw subassembly respectively, screw subassembly's center is equipped with middle through-hole, the rotatable output shaft threaded connection of inserting middle through-hole and opposite side of fastening bolt installs screw subassembly on the output shaft, its characterized in that is equipped with spacing subassembly between screw subassembly and the output shaft and restricts the relative rotation of screw subassembly and output shaft, be equipped with the locking piece on the screw subassembly, the locking piece can be moved in first axis direction relative screw subassembly to remove the switching between locking position and unblock position,

when the locking piece moves to a locking position, the locking piece limits the relative rotation of the fastening bolt and the screw assembly; when the locking member is moved to the unlocked position, relative rotation is resumed between the fastening bolt and the propeller assembly.

2. The rapid release locking structure of an electric glider according to claim 1, wherein the locking member is sleeved on the outer side of the fastening bolt and can move relative to the fastening bolt along the length extending direction of the fastening bolt so as to switch between a locking position and an unlocking position, a hole through which the fastening bolt passes is formed in the locking member, and relative rotation between the locking member and the propeller assembly is limited.

3. The rapid release locking structure of an electric glider paddle according to claim 2, wherein the fastening bolt comprises a rod body and a head connected to one end of the rod body, the locking piece is arranged in the middle through hole, the rod body of the fastening bolt penetrates through the hole and is connected with the output shaft, the head size of the fastening bolt is larger than the opening size of the hole, the middle through hole is internally provided with a reset spring to drive the locking piece to move to the locking position towards one side of the head of the fastening bolt, a gap is reserved between the head of the fastening bolt and the inner wall of the middle through hole for inserting a tool for disassembling the fastening bolt, and when the tool is sleeved on the head of the fastening bolt, the tool is inserted into the gap and pushes the locking piece to move to the unlocking position against the elastic force of the reset spring.

4. The rapid release locking structure of an electric glider according to claim 3, wherein a sliding groove is formed in an inner wall of the middle through hole, a sliding portion corresponding to the sliding groove is formed in the locking member, the sliding portion is disposed in the sliding groove and can move along the sliding groove in the first axis direction, and the sliding portion is slidably connected with the sliding groove to limit relative rotation between the locking member and the propeller assembly.

5. The rapid release locking structure of an electric glider paddle according to claim 3, wherein the lever body is provided with a locking portion, the locking portion enters the hole when the locking member moves to the locking position, the locking portion is locked with the locking member to limit the relative rotation of the fastening bolt and the propeller assembly, the locking portion is separated from the hole when the locking member moves to the unlocking position, and a gap for the relative rotation of the fastening bolt and the locking member is provided between the hole and the lever body of the fastening bolt.

6. The rapid release locking structure of claim 5, wherein the locking portion is at least one first locking plane provided on an outer wall of the rod body, a second locking plane corresponding to the first locking plane is provided on an inner wall of the hole, and the first locking plane is in surface-to-surface joint with the second locking plane to limit relative rotation between the fastening bolt and the propeller assembly.

7. The rapid release locking structure of an electric glider paddle according to claim 4, wherein the propeller assembly comprises an upper clamping plate, a lower clamping plate and a paddle body with paddles, the upper clamping plate and the lower clamping plate are clamped on two sides of the paddle body, the upper clamping plate, the paddle body and the lower clamping plate are fixedly connected into a whole through connecting bolts, through holes in the middle are formed in the upper clamping plate, the paddle body and the lower clamping plate, the through holes are butted to form a middle through hole, a groove is formed in one side of the upper clamping plate, facing the paddle body, of the upper clamping plate, the groove and the paddle body are enclosed to form the sliding groove, a positioning hole corresponding to the groove is formed in the outer end face of the upper clamping plate, the positioning hole falls on the bottom of the groove, a positioning column corresponding to the positioning hole is arranged on the sliding part, and the positioning column is inserted into the positioning hole when the locking piece moves to the locking position.

8. The rapid release locking structure of an electric glider paddle according to claim 3, wherein the output shaft is provided with a socket portion at one end for connecting the propeller assembly, a step is provided at one side of the socket portion, the propeller assembly is sleeved outside the socket portion, one side far away from the head of the fastening bolt is abutted against the step, the rod body of the fastening bolt is inserted into the middle through hole and is in threaded connection with the threaded hole on the end face of the socket portion, the limiting assembly comprises at least one third clamping plane arranged on the outer wall of the socket portion and a fourth clamping plane arranged on the inner wall of the middle through hole and corresponding to the third clamping plane, and the third clamping plane is in surface-to-surface joint with the fourth clamping plane so as to limit the relative rotation of the propeller assembly and the output shaft.

9. The rapid release locking structure of an electric glider according to claim 2, wherein the first axial direction is parallel to or coincides with the axial direction of the fastening bolt, which is parallel to or coincides with the axial direction of the output shaft.

10. The rapid release locking mechanism of an electric glider blade of claim 8, wherein the length of the socket is greater than the maximum range of movement of the locking member in the first axial direction.