Automatic tripping crank

Abstract

The utility model discloses an automatic tripping crank, which comprises a tripping mechanism, the tripping mechanism comprises a handle, an inner cavity of the handle is movably connected with a crank shaft, one side of the crank shaft is fixedly connected with a connecting seat, one side of the connecting seat is provided with a quincuncial sleeve, an inner cavity of the quincuncial sleeve is fixedly connected with a tower-shaped spring, and the tower-shaped spring is fixedly connected with the inner cavity of the quincuncial sleeve. And a dismounting mechanism is arranged on one side of the crankshaft and comprises a socket, one side of the socket is fixedly connected with the connecting base, a plug pin is inserted into the other side of the socket, one side of the plug pin is fixedly connected with the quincuncial sleeve, and connecting pins are inserted into inner cavities of the plug pin and the socket. According to the automatic tripping crank, through the arrangement of the tripping mechanism, when the motor is started, the extrusion force of the hand of a worker to the inner side is canceled, and at the moment, the tower-shaped spring is stretched, so that the quincuncial sleeve is pushed to the outer side, the quincuncial sleeve is separated from the connecting piece, and the automatic tripping effect can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a rocking handle technical field, concretely is a kind of automatic trip-out rocking handle. BACKGROUND

[0002] Rocking handle is a kind of tool component for transmitting rotary force, usually rod-shaped, with a part for hand holding and a connecting end for connecting or driving other components, it is mainly through manual operation, make the component connected with it rotate around a central axis, when the orientation of the string barrel outlet is adjusted, rocking handle needs to be used.

[0003] According to the patent document: CN213057566U discloses a boarding bridge manual bridge withdrawal rocking handle, including sleeve, sleeve one end is equipped with connecting block, the one end of connecting block is equipped with ratchet assembly, ratchet assembly one end is equipped with pressure lever assembly;Ratchet assembly includes ratchet and pawl ring, ratchet is equipped with shaft, ratchet is located in pawl ring, connecting block one end is welded in the side of ratchet, the outside of pawl ring is equipped with first connecting part, four first connecting holes are evenly provided on the first connecting part;Pressure lever assembly includes pressure lever, the bottom of pressure lever is equipped with connecting bend, the gear of connecting bend one end is equipped with, four second connecting holes are evenly provided on the gear, fixed bolt is arranged in the first connecting hole and the second connecting hole, the one end of fixed bolt is equipped with fixed nut;The inside of the one end of connecting bend is equipped with shaft hole, shaft is arranged in shaft hole.The utility model has the advantages of simple structure and convenient to use, changes the original rotary rocker tool into pressure lever type, increases the force arm, and facilitates force exertion in limited space, saves time and effort.

[0004] At present, the traditional rocking handle does not have the function of automatic trip-out in the daily use process, and the rocking handle cannot automatically trip-out after the staff starts the motor by hand, so that the rocking handle is easy to rotate with the motor, and even the rocking handle flies out and hurts the staff, which cannot meet the use requirement. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of automatic trip-out rocking handle to solve the problems in the prior art, such as the traditional rocking handle does not have the function of automatic trip-out in the daily use process, and the rocking handle cannot automatically trip-out after the staff starts the motor by hand, so that the rocking handle is easy to rotate with the motor, and even the rocking handle flies out and hurts the staff, which cannot meet the use requirement.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of automatic trip-out rocking handle, including trip-out mechanism, the trip-out mechanism includes handle, the inner cavity of handle is movably connected with crank shaft, one side of crank shaft is fixedly connected with connecting seat, one side of connecting seat is provided with plum blossom sleeve, the inner cavity of plum blossom sleeve is fixedly connected with tower spring.

[0007] Preferably, one side of the crank shaft is provided with a dismounting mechanism, the dismounting mechanism comprises a socket, one side of the socket is fixedly connected with a connecting seat, the other side of the socket is inserted with a plug pin, one side of the plug pin is fixedly connected with a key sleeve, the inner cavities of the plug pin and the socket are all inserted with a connecting pin, the surface of the crank shaft is fixedly connected with a fixed block, one side of the fixed block is fixedly connected with a limiting spring, one side of the limiting spring is fixedly connected with an adjusting plate, one side of the adjusting plate is fixedly connected with a rectangular column, one side of the rectangular column is inserted with the connecting pin.

[0008] Preferably, one side of the fixed block is provided with a circular hole, and the inner cavity of the circular hole is fixedly connected with a damping sleeve, one side of the damping sleeve is in contact with a cylinder, and one side of the cylinder is fixedly connected with the adjusting plate.

[0009] Preferably, one side of the adjusting plate is provided with a circular hole, and the inner cavity of the circular hole is in sliding connection with the crank shaft.

[0010] Preferably, one side of the connecting pin is provided with a rectangular groove, and the inner cavity of the rectangular groove is inserted with the rectangular column.

[0011] Preferably, the inner wall of the handle is provided with an annular groove, and the inner cavity of the annular groove is in sliding connection with a connecting block, and one side of the connecting block is fixedly connected with the crank shaft.

[0012] Preferably, one side of the socket is provided with a slot, and the slot is matched with the plug pin.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. By setting the tripping mechanism, when the motor starts, the hand of the staff cancels the inward extrusion force, at the moment, the tower type spring will stretch, thereby pushing the key sleeve to the outside, so that the key sleeve and the connecting piece are separated, that is, the automatic tripping effect can be achieved.

[0015] 2. By setting the dismounting mechanism, after the key sleeve is deformed and damaged, the adjusting plate is moved, the rectangular column is moved, the connecting pin is pulled to the outside after the rectangular column moves away from the connecting pin, the connecting pin and the plug pin are separated, then the key sleeve is pulled to the outside, the plug pin is moved by the key sleeve, the plug pin and the socket are separated, thereby the dismounting work is completed, the key sleeve is convenient to replace, and the whole crank handle cannot be used after the key sleeve is damaged. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view in the first visual angle state of the utility model;

[0017] Figure 2 It is a three-dimensional structure schematic view in the second visual angle state of the utility model;

[0018] Figure 3 It is the local three-dimensional structure schematic view of the utility model;

[0019] Figure 4 It is the A place amplification structure schematic view of the utility model.

[0020] In the figure: 1, tripping mechanism; 101, crankshaft; 102, handle; 103, connecting seat; 104, plum blossom sleeve; 105, tower spring; 2, dismounting mechanism; 201, socket; 202, bolt; 203, connecting pin; 204, fixed block; 205, limit spring; 206, adjusting plate; 207, rectangular column; 208, cylinder; 209, damping sleeve; 210, rectangular groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , the utility model provides a kind of technical scheme: an automatic tripping crank handle, including tripping mechanism 1, tripping mechanism 1 includes handle 102, the inner cavity of handle 102 is movably connected with crankshaft 101, one side of crankshaft 101 is fixedly connected with connecting seat 103, one side of connecting seat 103 is provided with plum blossom sleeve 104, the inner cavity of plum blossom sleeve 104 is fixedly connected with tower spring 105, by setting tripping mechanism 1, while motor starts, the hand of staff cancels the extrusion force to inside, at this time, tower spring 105 will stretch, to push plum blossom sleeve 104 to outside, so that plum blossom sleeve 104 is separated from connecting piece, can play the effect of automatic tripping;The inner wall of handle 102 is provided with annular groove, and the inner cavity of annular groove is slidably connected with connecting block, and one side of connecting block is fixedly connected with crankshaft 101, by setting annular groove and connecting block, make handle 102 and crankshaft 101 connect stably, while, it is convenient that relative motion occurs between handle 102 and crankshaft 101.

[0023] Please refer to Figure 3 and Figure 4The side of the crank shaft 101 is provided with a dismounting mechanism 2, the dismounting mechanism 2 comprises a socket 201, one side of the socket 201 is fixedly connected with the connecting seat 103, the other side of the socket 201 is inserted with a plug pin 202, one side of the plug pin 202 is fixedly connected with the key sleeve 104, the inner cavities of the plug pin 202 and the socket 201 are all inserted with a connecting pin 203, the surface of the crank shaft 101 is fixedly connected with a fixed block 204, one side of the fixed block 204 is fixedly connected with a limiting spring 205, one side of the limiting spring 205 is fixedly connected with an adjusting plate 206, one side of the adjusting plate 206 is fixedly connected with a rectangular column 207, one side of the rectangular column 207 is inserted with the connecting pin 203, by arranging the dismounting mechanism 2, when the key sleeve 104 is deformed and damaged, the adjusting plate 206 is moved, the adjusting plate 206 drives the rectangular column 207 to move, after the rectangular column 207 moves away from the connecting pin 203, the connecting pin 203 is pulled outward, so that the connecting pin 203 is separated from the plug pin 202, then the key sleeve 104 is pulled outward, the key sleeve 104 drives the plug pin 202 to move, so that the plug pin 202 is separated from the socket 201, thereby completing the dismounting work, facilitating the replacement of the key sleeve 104, avoiding that the key sleeve 104 is damaged to cause the whole crank handle to be unable to be used; one side of the fixed block 204 is provided with a circular hole, and the inner cavity of the circular hole is fixedly connected with a damping sleeve 209, one side of the damping sleeve 209 is in contact with a cylinder 208, one side of the cylinder 208 is fixedly connected with the adjusting plate 206, by arranging the circular hole, the damping sleeve 209 and the cylinder 208, not only the damping effect is achieved, so that the stability performance is good during the working process, but also the limiting effect is achieved, so that the adjusting plate 206 is stable during the working process; one side of the adjusting plate 206 is provided with a circular hole, and the inner cavity of the circular hole is slidably connected with the crank shaft 101, by arranging the circular hole, the working of the adjusting plate 206 is stabilized, avoiding that the adjusting plate 206 is inclined; one side of the connecting pin 203 is provided with a rectangular groove 210, the inner cavity of the rectangular groove 210 is inserted with the rectangular column 207, by arranging the rectangular groove 210, the connecting pin 203 is conveniently inserted with the rectangular column 207, thereby facilitating the installation work; one side of the socket 201 is provided with a slot, and the slot is matched with the plug pin 202, by arranging the slot, the socket 201 is stable after being inserted with the plug pin 202, thereby the stability effect after installation is good.

[0024] Working principle: by arranging the tripping mechanism 1, when the motor starts, the hand of the worker cancels the inward extrusion force, at this time the tower type spring 105 is stretched, thereby pushing the key sleeve 104 outward, so that the key sleeve 104 is separated from the connecting piece, that is, the automatic tripping effect is achieved;

[0025] By setting the dismounting mechanism 2, after the deformation damage of the plum blossom sleeve 104, the moving adjusting plate 206 is moved, the adjusting plate 206 drives the rectangular column 207 to move, the rectangular column 207 is away from the connecting pin 203, the connecting pin 203 is pulled to the outside, the connecting pin 203 is separated from the plug pin 202, then the plum blossom sleeve 104 is pulled to the outside, the plum blossom sleeve 104 drives the plug pin 202 to move, the plug pin 202 is separated from the socket 201, so that the dismounting work is completed, the plum blossom sleeve 104 is replaced conveniently, and the whole crank handle cannot be used after the plum blossom sleeve 104 is damaged.

[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An automatic tripping crank comprising a tripping mechanism (1), characterized in that: The trip mechanism (1) includes a handle (102), the inner cavity of the handle (102) is movably connected with a crank shaft (101), one side of the crank shaft (101) is fixedly connected with a connecting seat (103), one side of the connecting seat (103) is provided with a keyhole sleeve (104), the inner cavity of the keyhole sleeve (104) is fixedly connected with a tower type spring (105).

2. An automatic tripping ratchet according to claim 1, wherein: One side of the crank shaft (101) is provided with a dismounting mechanism (2), the dismounting mechanism (2) includes a socket (201), one side of the socket (201) is fixedly connected with the connecting seat (103), the other side of the socket (201) is inserted with a latch (202), one side of the latch (202) is fixedly connected with the keyhole sleeve (104), the inner cavities of the latch (202) and the socket (201) are all inserted with a connecting pin (203), the surface of the crank shaft (101) is fixedly connected with a fixed block (204), one side of the fixed block (204) is fixedly connected with a limiting spring (205), one side of the limiting spring (205) is fixedly connected with an adjusting plate (206), one side of the adjusting plate (206) is fixedly connected with a rectangular column (207), one side of the rectangular column (207) is inserted with the connecting pin (203).

3. An automatic tripping ratchet according to claim 2, wherein: One side of the fixed block (204) is provided with a circular hole, and the inner cavity of the circular hole is fixedly connected with a damping sleeve (209), one side of the damping sleeve (209) is in contact with a cylinder (208), one side of the cylinder (208) is fixedly connected with the adjusting plate (206).

4. An automatic tripping ratchet according to claim 2, wherein: One side of the adjusting plate (206) is provided with a circular hole, and the inner cavity of the circular hole is slidably connected with the crank shaft (101).

5. An automatic tripping ratchet according to claim 2, wherein: One side of the connecting pin (203) is provided with a rectangular groove (210), and the inner cavity of the rectangular groove (210) is inserted with the rectangular column (207).

6. An automatic release handle according to claim 1 wherein: The inner wall of the handle (102) is provided with an annular groove, and the inner cavity of the annular groove is slidably connected with a connecting block, and one side of the connecting block is fixedly connected with the crank shaft (101).

7. An automatic tripping ratchet according to claim 2, wherein: One side of the socket (201) is provided with a slot, and the slot is matched with the latch (202).

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