Push type parachute opening device for automatic parachute

Abstract

The utility model discloses a push type parachute opening device of an automatic parachute, which comprises an outer shell, an inner shell, an inner translation sleeve and an outer push block, the inner translation sleeve is embedded in the inner shell in a transverse translation manner, a limiting mechanism for limiting the inner translation sleeve to move up and down is arranged on the inner shell, an exposed hole is formed in the outer side wall of the inner shell opposite to a tensioning piece, and the outer push block is arranged in the exposed hole. A tensioning piece is arranged between the inner translation sleeve and the inner shell, a limiting mechanism capable of extending into the notch of the lower nest is arranged on the inner side wall of the inner translation sleeve, the outer pushing block is installed outside the inner shell in a vertical moving mode, an operation hole is formed in the outer shell, and a guide block is arranged on the bottom face of the inner translation sleeve and located in the range of the exposed hole. The face, facing the outer push block, of the guide block is a guide inclined face inclining downwards from top to bottom, a guide pushing block is arranged on the face, facing the exposed hole, of the outer push block, and a pulley structure is arranged on the guide pushing block. Compared with the prior art, the limiting mechanism of the inner translation sleeve can be separated from the notch of the lower nest by pushing the outer pushing block upwards, so that the umbrella is opened, and the use is safer.

Description

Technical Field

[0001] The utility model relates to the field of automatic umbrella switches, in particular to a push-type opening device for an automatic umbrella. Background Art

[0002] The existing automatically opening umbrellas often open and close the umbrellas by pressing. The existing umbrellas have a middle rod, an upper nest, an umbrella opening structure and a lower nest. The upper nest and the lower nest are respectively installed at the upper end and the lower end of the middle rod. The umbrella opening structure is sleeved outside the lower end of the lower nest. A recess is provided on the outer side wall of the lower end of the lower nest. A hook and a button for controlling the hook to move toward the recess are provided on the umbrella opening structure. When in use, the middle switch is installed on the umbrella handle, and the hook is disengaged from the recess by pressing the button to open the umbrella.

[0003] However, the push-button umbrella has certain dangers as a switch because it is easy to be triggered and easily opened by being touched during transportation. In addition, the umbrella may be opened by accidentally touching the opening switch or the umbrella may be dropped when carried. The sudden opening of the umbrella may cause insecurity to the user.

[0004] In view of this, the inventor of this case conducted an in-depth study on the problem, which resulted in this case. Utility Model Content

[0005] The utility model aims to provide a push-type umbrella opening device for an automatic umbrella, so as to solve the problem that the existing automatic umbrella is easy to be accidentally touched.

[0006] In order to achieve the purpose, the utility model adopts the following technical solution:

[0007] The automatic umbrella push-type opening device comprises an outer shell, an inner shell and a switch, wherein the outer shell is sleeved outside the inner shell, the switch comprises an inner translation sleeve and an outer push block, the inner translation sleeve is embedded in the inner shell in a manner capable of lateral translation along the inner shell, and a limiting structure for limiting the upward and downward movement of the inner translation sleeve is provided on the inner shell, an exposed hole for exposing the inner translation sleeve is provided on the outer wall of the inner shell facing away from the tensioning member, a tensioning member is provided between the outer wall of the inner translation sleeve and the inner wall of the inner shell, and a limiting mechanism capable of extending into a recess of a lower nest of the umbrella is provided on the inner wall of the inner translation sleeve, The push-out block is installed outside the inner shell body in a manner that it can move up and down, and the outer shell body has an operating hole for partially exposing the push-out block and enabling it to move up and down on the outer shell body. The tensioning piece is arranged laterally opposite to the push-out block. The bottom surface of the inner translation sleeve is located within the range of the exposed hole and has a guide block. The side of the guide block facing the push-out block is a guide inclined surface that is inclined downward from top to bottom. A derivation block located below the guide block is provided on the side of the push-out block facing the exposed hole. The derivation block is provided with a pulley structure that slides into the guide inclined surface and slides along the guide inclined surface as the push-out block moves upward.

[0008] The outer shell and the inner shell are both hollow structures that penetrate from top to bottom. A limiting groove extending along the inner wall of the inner shell and for the inner translation sleeve to be embedded in is provided on the upper inner wall of the inner shell. The limiting groove is the limiting structure, and an open hole leading to the outside of the inner shell is provided on the bottom of the limiting groove, and a movable hole that is located directly below the open mouth and connected to the open hole is recessed on the outer wall of the inner shell. The open hole and the movable hole constitute the exposed hole, with the exposed hole facing forward. The inner translation sleeve is a hollow arc-shaped block embedded in the limiting groove, the guide block is located on the front bottom surface of the inner translation sleeve, the push-out block is located outside the front side of the inner translation sleeve, and the tensioning member is located on the rear side of the inner translation sleeve.

[0009] The inner translation sleeve has an arc block and a horizontal and vertical block, and there are two horizontal and vertical blocks and two arc blocks. The two horizontal and vertical blocks are arranged relatively at intervals, and the horizontal and vertical blocks are extended along the front and rear directions. The two arc blocks are respectively located on the front and rear sides of the horizontal and vertical blocks. The two arc blocks are located between the two horizontal and vertical blocks and are arranged relatively, and the convex arc surfaces of the two arc blocks are arranged back to back.

[0010] The tensioning member is a tensioning spring, the rear inner wall of the limiting groove is provided with an embedding protrusion protruding forward, the rear side wall of the inner translation sleeve is provided with an embedding groove arranged opposite to the embedding protrusion, one end of the tensioning spring is embedded in the embedding protrusion, and the other end of the tensioning spring is in the embedding groove.

[0011] A limiting protrusion is convexly provided on the rear inner side wall of the inner translation sleeve, and the top surface of the limiting protrusion is an inclined surface extending downwardly toward the central axis of the inner translation sleeve. This protrusion is the limiting mechanism.

[0012] A translation groove is recessed backward on the front inner side wall of the inner shell, and the translation groove is a strip-shaped groove extending in the up-down direction. The movable hole is within the range of the translation groove, and the push-out block is within the range of the translation groove.

[0013] The push block has an arc-shaped sheet and a pushing protrusion. The arc-shaped sheet is a strip-shaped convex arc structure extending in the up-down direction. The pushing protrusion extends in the up-down direction. The pushing protrusion is on the front side of the arc-shaped sheet, and the pushing protrusion is within the convex arc surface of the arc-shaped sheet. The arc-shaped sheet is within the translation groove, the pushing protrusion is within the operating hole, and the guide block is on the rear side of the arc-shaped sheet.

[0014] The rear side surface of the arc-shaped sheet body is concavely provided with an active groove forwardly, and the groove bottom of the active groove is convexly provided with a guide arc block extending along the width direction of the arc-shaped sheet body backwardly, and the top surface of the upper end of the guide arc block is a convex arc surface convex upwardly, and the guide arc block is within the spacing range between the guide inclined surface and the arc-shaped sheet body. The guide arc block is the derivation block, and the pulley structure is rotatably installed on the guide arc block.

[0015] The pulley structure comprises a sliding wheel and a sliding shaft, the sliding wheel sleeve is arranged on the sliding shaft, and the two end portions of the sliding shaft extend out of the two ends of the sliding wheel, the outer side wall of the guide arc block is concavely provided with a strip connecting groove and a limiting groove, the strip connecting groove extends along the width direction of the arc sheet body, and the extension direction of the strip connecting groove is perpendicular to the axial direction of the inner translation sleeve, the limiting groove is in the middle position of the strip connecting groove, and the strip connecting groove passes through the two end portions of the limiting groove, the sliding shaft is in the strip connecting groove, the sliding wheel is in the limiting groove, and the wheel surface of the sliding wheel and the convex arc surface of the guide block are on the same plane.

[0016] The front side of the inner translation sleeve is in close contact with the bottom of the movable groove, and the front side surface of the arc-shaped block at the front side is a cutting plane extending in the up-down direction.

[0017] The push-type umbrella opening device of the automatic umbrella of the utility model is used, when the push-up outer push block moves upward, the push-up outer push block moves upward in the inner shell body, and at the same time, the guide block and the pulley structure move upward with the push-up outer push block, and the guide block and the pulley structure move upward along the guide inclined surface of the guide block, at this time, under the limiting action of the inner translation sleeve restricted structure in the upper and lower directions, the inner translation sleeve moves in the direction of the tensioning member, the tensioning member is compressed backward, and the limiting mechanism is separated from the recess of the lower nest of the umbrella, so that the umbrella is opened; after the umbrella is opened, the tensioning member is released, and the tensioning member generates a thrust for the inner translation sleeve, and at this time, the guide block and the pulley structure slide upward along the guide inclined surface and reset; compared with the prior art, through the cooperation of the guide block and the guide inclined surface, the push-up outer push block can make the limiting mechanism of the inner translation sleeve separate from the recess of the lower nest to realize the umbrella opening, the operation is simple and convenient, and the umbrella opening and closing structure will not be triggered if the push-up outer push block is not pushed, and the operation of the automatic umbrella can not be triggered by a simple touch, so it is safer to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the cross-sectional structure of the utility model.

[0019] Figure 2 This is a schematic diagram of the structure of the utility model with the outer shell omitted.

[0020] Figure 3 It is a structural schematic diagram of the inner shell of the utility model.

[0021] Figure 4 It is a structural schematic diagram of the switch element of the utility model.

[0022] Figure 5 It is a structural schematic diagram of the extrapolation block of the utility model.

[0023] Figure 6 It is a structural schematic diagram of the inner translation sleeve of the utility model. DETAILED DESCRIPTION

[0024] In order to further explain the technical solution of the present utility model, it is described in detail below with reference to the accompanying drawings.

[0025] Automatic umbrella push-type umbrella opening device, such as Figure 1-6 As shown, it includes an outer shell 1, an inner shell 2 and a switch component. The outer shell 1 is sleeved outside the inner shell 2. The installation method of the outer shell 1 and the inner shell 2 is a well-known technology for those skilled in the art, and no further description is given here. The switch component has an inner translation sleeve 3 and an outer push block 4. The inner translation sleeve 3 is embedded in the inner shell 2 in a manner that it can be translated laterally along the inner shell 2, and a limiting structure that limits the upward and downward movement of the inner translation sleeve 3 is provided on the inner shell 2. An exposed hole for exposing the inner translation sleeve 3 is opened on the front outer side wall of the inner shell 2; specifically, The outer shell 1 and the inner shell 2 are both hollow structures that penetrate from top to bottom, and the inner translation sleeve 3 is a hollow arc-shaped block embedded in the limiting groove, that is, the inner translation sleeve 3 has an arc block 31 and a horizontal block 32, and the horizontal block 32 and the arc block 31 each have two, the two horizontal blocks 32 are arranged relatively at intervals, and the horizontal block 32 extends in the front and rear directions. The two arc blocks 31 are respectively located on the front and rear sides of the horizontal block 32, and the arc block 31 is located between the two horizontal blocks 32 and is arranged relatively, and the convex arcs of the two arc blocks 31 The inner shell 2 is provided with a limiting groove extending along the inner wall of the inner shell 2 and for the inner translation sleeve 3 to be embedded therein. The limiting groove is the limiting structure, and the rear side of the limiting groove corresponds to the position of the inner translation sleeve 3 and is an arc groove. The left and right sides of the limiting groove correspond to the position of the inner translation sleeve 3 and are straight grooves extending along the front-to-back direction. The bottom of the limiting groove is provided with a groove leading to the inner translation sleeve 3. An open hole 100 is provided outside the shell body 2, and a movable hole 200 is recessed on the outer wall of the inner shell body 2 and is located directly below the open mouth and is connected to the open hole 100. The open hole 100 and the movable hole 200 constitute the exposed hole. When used, the setting of the limiting groove enables the inner translation sleeve 3 to extend into or out of the limiting groove from the open hole 100 of the limiting groove, and also limits the inner translation sleeve 3 in the limiting groove. Moreover, the setting of the horizontal block 32 and the straight groove enables the inner translation sleeve 3 to move forward and backward more smoothly.

[0026] A tensioning member is provided between the outer wall of the inner translation sleeve 3 and the inner wall of the inner shell 2; specifically, the tensioning member is on the rear side of the inner translation sleeve 3, and the tensioning member is a tensioning spring (not shown in the figure). The rear inner wall of the inner translation sleeve 3 is located at the position of the limiting groove and is provided with an embedding protrusion 33 protruding forward. The rear side wall of the inner translation sleeve 3 is provided with an embedding groove 300 arranged opposite to the embedding protrusion 33. One end of the tensioning spring is embedded in the embedding protrusion 33, and the other end of the tensioning spring is in the embedding groove 300. When used, the two ends of the tensioning spring are respectively connected to the inner translation sleeve and the inner shell 2. Under the action of the embedding groove 300 and the embedding protrusion 33, the tensioning spring can be horizontally compressed or released in a predetermined direction forward and backward. When the spring is compressed, the inner translation sleeve 3 moves backward, and when the spring is released, the inner translation sleeve 3 moves forward.

[0027] A limiting mechanism 34 capable of extending into the recess of the lower nest of the umbrella is provided on the inner side wall of the inner translation sleeve 3; specifically, a limiting protrusion is convexly provided on the rear inner side wall of the inner translation sleeve 3, and the limiting protrusion and the tensioning spring are respectively located on the front and rear sides of the arc-shaped block located on the rear side, and the top surface of the limiting protrusion is an inclined surface extending downwardly toward the central axis of the inner translation sleeve 3, and this protrusion is the limiting mechanism 34; when in use, the limiting protrusion is in the recess of the lower nest of the umbrella, and when the inner translation sleeve 3 moves backward, the limiting protrusion moves backward with the inner translation sleeve 3, and moves backward out of the recess of the lower nest of the umbrella, thereby releasing the umbrella; at the same time, the inclined surface moves along the inner side wall of the recess of the lower nest of the umbrella, guiding the movement of the limiting protrusion.

[0028] The push-out block 4 is installed outside the inner shell 2 in a manner that it can move up and down, and the outer shell 1 has an operating hole 400 for partially exposing the push-out block 4 and enabling it to move up and down on the outer shell 1, and the tensioning member is arranged laterally opposite to the push-out block 4; specifically, the push-out block 4 is outside the front side of the inner translation sleeve 3, and a translation groove 500 is recessed backward on the front inner wall of the inner shell 2, and the translation groove 500 is a strip-shaped groove extending in the up and down direction. The movable hole 200 is within the range of the translation groove 500, and the push-out block 4 is within the range of the translation groove 500, that is, the size of the bottom of the translation groove in the up and down direction is greater than the size of the push-out block 4 in the up and down direction, and the push-out block 4 has an arc-shaped sheet 41 and The pushing protrusion 42 and the arc-shaped sheet 41 are in a strip-shaped convex arc structure extending in the up-down direction and convex forward. The pushing protrusion 42 extends in the up-down direction. The pushing protrusion 42 is on the front side of the arc-shaped sheet 41, and the pushing protrusion 42 is within the convex arc surface of the arc-shaped sheet 41. The arc-shaped sheet 41 is within the translation groove 500, and the pushing protrusion 42 is within the operating hole 400, that is, the size of the pushing protrusion in the up-down direction is smaller than the spacing between the operating holes in the up-down direction. When in use, the pushing protrusion 42 is moved up and down, and the pushing protrusion 42 moves up and down in the operating hole 400. At the same time, the arc-shaped sheet 41 moves up and down with the pushing protrusion 42, and the arc-shaped sheet moves up and down in the translation groove 500.

[0029] The bottom surface of the inner translation sleeve 3 is located within the range of the exposed hole and has a guide block 5. The side of the guide block 5 facing the outward push block 4 is a guide inclined surface 51 inclined downward from top to bottom. The side of the outward push block 4 facing the exposed hole is provided with a derivation block 6 located below the guide block 5. The derivation block 6 is provided with a pulley structure 7 that slides into the guide inclined surface 51 and slides along the guide inclined surface 51 as the outward push block 4 moves upward; specifically, the guide block 5 is located on the front bottom surface of the inner translation sleeve 3, the guide inclined surface 51 is inclined downward from front to back, the derivation block 6 is on the rear side of the arc-shaped sheet 41, and the rear side surface of the arc-shaped sheet 41 is concavely provided with an active groove 600 forwardly, and the active groove A guide arc block extending along the width direction of the arc sheet 41 is convexly provided on the bottom of the groove 600, and the top surface of the upper end of the guide arc block is a convex arc surface convex upward, and the guide arc block is within the spacing range between the guide inclined surface 51 and the arc sheet 41. The guide arc block is the derivation block 6, and the pulley structure 7 is rotatably mounted on the guide arc block, that is, the pulley structure 7 has a sliding wheel 71 and a sliding shaft 72, the sliding wheel 71 is sleeved on the sliding shaft 72, and the two end portions of the sliding shaft 72 extend out of the two ends of the sliding wheel 71, and the outer side wall of the guide arc block is concavely provided with a strip connection groove and a limiting groove, and the strip connection groove is along the width direction of the arc sheet 41. The strip connecting groove extends in the middle of the strip connecting groove, and the strip connecting groove extends out of the two end portions of the limiting groove. The sliding shaft 72 is embedded in the strip connecting groove, and the sliding wheel 71 is in the limiting groove. The wheel surface of the sliding wheel 71 and the convex arc surface of the derivation block 6 are on the same plane, that is, the wheel surface direction of the sliding wheel 71 is similar to the curvature of the convex arc surface of the derivation block 6. When used, the arc-shaped sheet 41 moves upward, and the derivation block 6 and the pulley structure 7 move upward accordingly. The convex arc surface of the derivation block 6 and the wheel surface of the sliding wheel 71 are in contact with the guide inclined surface 51. During the continuous upward movement of the derivation block 6 and the sliding wheel 71, During the process, the guiding inclined surface 51 is squeezed and moves backward; since the distance between the guiding inclined surface 51 and the rear side wall of the outward pushing block 4 gradually decreases from bottom to top, and the dimensions of the pushing block 6 and the sliding wheel 71 in the front-to-back direction are fixed, the pushing block 6 and the sliding wheel 71 squeeze the guiding inclined surface 51 of the guiding block 5 upward when moving upward, and at the same time, the inner translation sleeve 3 can only move horizontally due to the limit of the restricted groove in the up and down directions. Therefore, when the pushing block 6 and the sliding wheel 71 enter the distance between the guiding inclined surface 51 and the rear side wall of the outward pushing block 4, the pushing block 6 and the sliding wheel 71 generate a backward force on the guiding inclined surface 51 when moving from top to bottom, so that the inner translation sleeve 3 moves backward.

[0030] When the automatic umbrella push-type umbrella opening device of the utility model is used, the pushing protrusion 42 of the outer pushing block 4 is pushed upward, and the pushing protrusion 42 moves upward in the operating hole, and the arc-shaped sheet body 41 of the outer pushing block 4 moves upward in the translation groove 500. At the same time, the derivation block 6 and the sliding wheel 71 move upward together with the outer pushing block 4, and the convex arc surface of the derivation block 6 and the wheel surface of the sliding wheel 71 move upward along the guiding inclined surface 51 of the guide block 5. At this time, under the limiting action of the restricted groove in the up and down directions, the inner translation sleeve 3 moves backward, the tensioning spring is compressed backward, and the limiting protrusion The umbrella is opened by disengaging from the notch of the lower nest of the umbrella; after the umbrella is opened, the tensioning spring is released forward, and the tensioning spring generates a force pushing the inner translation sleeve 3 forward, at which time the deduction block 6 and the sliding wheel 71 slide downward along the guiding inclined surface 51 and reset; compared with the prior art, through the cooperation of the deduction block and the guiding inclined surface, the pushing block 4 is pushed upward to make the limiting protrusion of the inner translation sleeve 3 disengage from the notch of the lower nest to open the umbrella, which is simple and convenient to operate, and the umbrella opening and closing structure will not be triggered if the pushing block 4 is not pushed, and the operation of the automatic umbrella will not be triggered by a simple touch, so it is safer to use.

[0031] In the present invention, it is preferred that the front side of the inner translation sleeve 3 is in close contact with the bottom of the movable groove, and the front side surface of the arc block of the inner translation sleeve 3 on the front side is a cutting plane extending in the up and down direction; when used, the setting of the movable groove allows the sliding wheel 71 and the guide block 6 to have space for movement, and at the same time allows the cutting plane of the inner translation sleeve 3 to move up and down in close contact with the bottom of the movable groove.

[0032] The product form of the utility model is not limited to the illustrations and embodiments of this case. Any appropriate changes or modifications made by anyone with similar ideas should be deemed to be within the patent scope of the utility model.

Claims

1. Automatic umbrella push-type opening device, characterized by: The utility model comprises an outer shell, an inner shell and a switch member, wherein the outer shell is sleeved outside the inner shell, the switch member comprises an inner translation sleeve and an outward push block, the inner translation sleeve is embedded in the inner shell in a manner that it can be laterally translated along the inner shell, and the inner shell is provided with a limiting structure that limits the inner translation sleeve to move up and down, an outer wall of the inner shell facing away from the tensioning member is provided with an exposed hole for exposing the inner translation sleeve, a tensioning member is provided between the outer wall of the inner translation sleeve and the inner wall of the inner shell, and a limiting mechanism that can extend into the recess of the lower nest of the umbrella is provided on the inner wall of the inner translation sleeve, and the outward push block is provided with a limit structure that can extend into the recess of the lower nest of the umbrella, and the limit structure that can extend into the recess of the lower nest of the umbrella is provided with a limit structure that can extend into the recess of the lower nest of the umbrella. The outer shell is provided with an operating hole for exposing a part of the push-out block and being able to move up and down on the outer shell. The tensioning member is arranged laterally opposite to the push-out block. The bottom surface of the inner translation sleeve is located within the range of the exposed hole and has a guide block. The side of the guide block facing the push-out block is a guide inclined surface inclined downward from top to bottom. The side of the push-out block facing the exposed hole is provided with a derivation block located below the guide block. The derivation block is provided with a pulley structure which slides into the guide inclined surface and slides along the guide inclined surface as the push-out block moves upward.

2. The automatic umbrella push-type opening device according to claim 1, characterized in that: The outer shell and the inner shell are both hollow structures that penetrate from top to bottom. A limiting groove extending along the inner wall of the inner shell and for the inner translation sleeve to be embedded in is provided on the upper inner wall of the inner shell. The limiting groove is the limiting structure, and an open hole leading to the outside of the inner shell is provided on the bottom of the limiting groove, and a movable hole that is located directly below the open mouth and connected to the open hole is recessed on the outer wall of the inner shell. The open hole and the movable hole constitute the exposed hole, with the exposed hole facing forward. The inner translation sleeve is a hollow arc-shaped block embedded in the limiting groove, the guide block is located on the front bottom surface of the inner translation sleeve, the push-out block is located outside the front side of the inner translation sleeve, and the tensioning member is located on the rear side of the inner translation sleeve.

3. The automatic umbrella push-type opening device according to claim 2, characterized in that: The inner translation sleeve has an arc block and a horizontal and vertical block, and there are two horizontal and vertical blocks and two arc blocks. The two horizontal and vertical blocks are arranged relatively at intervals, and the horizontal and vertical blocks are extended along the front and rear directions. The two arc blocks are respectively located on the front and rear sides of the horizontal and vertical blocks. The two arc blocks are located between the two horizontal and vertical blocks and are arranged relatively, and the convex arc surfaces of the two arc blocks are arranged back to back.

4. The automatic umbrella push-type opening device according to claim 2, characterized in that: The tensioning member is a tensioning spring, the rear inner wall of the limiting groove is provided with an embedding protrusion protruding forward, the rear side wall of the inner translation sleeve is provided with an embedding groove arranged opposite to the embedding protrusion, one end of the tensioning spring is embedded in the embedding protrusion, and the other end of the tensioning spring is in the embedding groove.

5. The automatic umbrella push-type opening device according to claim 2, characterized in that: A limiting protrusion is convexly provided on the rear inner side wall of the inner translation sleeve, and the top surface of the limiting protrusion is an inclined surface extending downwardly toward the central axis of the inner translation sleeve. This protrusion is the limiting mechanism.

6. The automatic umbrella push-type opening device according to claim 2, characterized in that: A translation groove is recessed backward on the front inner side wall of the inner shell, and the translation groove is a strip-shaped groove extending in the up-down direction. The movable hole is within the range of the translation groove, and the push-out block is within the range of the translation groove.

7. The automatic umbrella push-type opening device according to claim 6, characterized in that: The push block has an arc-shaped sheet and a pushing protrusion. The arc-shaped sheet is a strip-shaped convex arc structure extending in the up-down direction. The pushing protrusion extends in the up-down direction. The pushing protrusion is on the front side of the arc-shaped sheet, and the pushing protrusion is within the convex arc surface of the arc-shaped sheet. The arc-shaped sheet is within the translation groove, the pushing protrusion is within the operating hole, and the guide block is on the rear side of the arc-shaped sheet.

8. The automatic umbrella push-type opening device according to claim 7, characterized in that: The rear side surface of the arc-shaped sheet body is concavely provided with an active groove forwardly, and the groove bottom of the active groove is convexly provided with a guide arc block extending along the width direction of the arc-shaped sheet body backwardly, and the top surface of the upper end of the guide arc block is a convex arc surface convex upwardly, and the guide arc block is within the spacing range between the guide inclined surface and the arc-shaped sheet body. The guide arc block is the derivation block, and the pulley structure is rotatably installed on the guide arc block.

9. The automatic umbrella push-type opening device according to claim 8, characterized in that: The pulley structure comprises a sliding wheel and a sliding shaft, the sliding wheel sleeve is arranged on the sliding shaft, and the two end portions of the sliding shaft extend out of the two ends of the sliding wheel, the outer side wall of the guide arc block is concavely provided with a strip connecting groove and a limiting groove, the strip connecting groove extends along the width direction of the arc sheet body, and the extension direction of the strip connecting groove is perpendicular to the axial direction of the inner translation sleeve, the limiting groove is in the middle position of the strip connecting groove, and the strip connecting groove passes through the two end portions of the limiting groove, the sliding shaft is in the strip connecting groove, the sliding wheel is in the limiting groove, and the wheel surface of the sliding wheel and the convex arc surface of the guide block are on the same plane.

10. The automatic umbrella push-type opening device according to claim 8, characterized in that: The front side of the inner translation sleeve is in close contact with the bottom of the movable groove, and the front side surface of the arc-shaped block at the front side is a cutting plane extending in the up-down direction.

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