Needle inserting mechanism for umbrella bag

Abstract

The needle inserting mechanism comprises a sliding barrel, a steel wire rope assembly, a lug ring sliding rod, a lug ring bolt, a pull rod, a limiting mechanism and a positioning mechanism, the lug ring sliding rod is provided with an axial through hole, the limiting mechanism is installed on the outer side face of the sliding barrel, a limiting groove is further formed in the side face of the sliding barrel, and the lug ring sliding rod is arranged in the sliding barrel. The rear end of the pull rod is connected with the earring bolt, the pull rod is arranged in an axial through hole in the earring sliding rod, the front end of the pull rod is slidably connected with the inner wall face of the sliding cylinder, the pull rod is provided with a limiting part, and the limiting mechanism can be in contact connection with the limiting part through a limiting groove; the rear end of the pull rod is connected with a steel wire rope assembly which penetrates through the earring bolt and extends into the earring sliding rod. The positioning mechanism is arranged on the earring sliding rod and is in contact connection with the steel wire rope assembly located in the earring sliding rod. The needle inserting mechanism effectively solves the problem that the steel wire rope is gradually contracted and bent from a straightened state and is easy to wind, and the needle inserting mechanism is simple in overall structure, convenient to assemble and suitable for popularization and application.

Description

Technical Field

[0001] The utility model relates to the technical field of aircraft design in aviation engineering, in particular to a pin insertion mechanism for an umbrella bag. Background Art

[0002] like Figure 1 As shown, the traditional parachute pack pin insertion mechanism is mainly composed of a shell, a return rocker arm, a return stop rocker arm, a steel needle pulling rocker arm, a stop rocker arm, a torsion spring, a rotating shaft, a steel wire rope and an insertion pin. The steel needle pulling rocker arm is in contact with the return rocker arm and the return stop rocker arm under the action of the torsion spring and the rotating shaft. With the traditional parachute pack pin insertion mechanism, the steel wire rope is too long, resulting in its position being unable to be fixed. When the parachute cabin retracts, the steel wire rope gradually shrinks and bends from a straight state. Since the position of the steel wire rope cannot be fixed, the steel wire rope may be entangled with other parts of the aircraft, which is prone to malfunction. Therefore, in order to address the problem of the steel wire rope gradually shrinking and bending from a straight state and being easily entangled, the traditional parachute pack pin insertion mechanism needs to be improved to meet the requirements of use. Utility Model Content

[0003] The technical problem to be solved by the present invention is to address the problems existing in the background technology, thereby providing a pin insertion mechanism with a simple structure and easy operation. The pin insertion mechanism can not only solve the problem that the wire rope gradually shrinks and bends from a straight state and is easy to entangle, but also reduce safety hazards, thereby meeting the use requirements of a parachute bag. Specifically, it is a pin insertion mechanism for a parachute bag.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is: a pin insertion mechanism for an umbrella bag, comprising a slide barrel and a wire rope assembly, the pin insertion mechanism also comprising an earring slide rod, an earring bolt, a pull rod, a limiting mechanism and a positioning mechanism, the earring slide rod having an axial through hole, a shaft cover being provided at the front end of the slide barrel, the limiting mechanism being installed on the outer side of the slide barrel near one end of the shaft cover, and a limiting groove corresponding to the limiting mechanism being opened on the side of the slide barrel, the earring slide rod being arranged in the slide barrel, and its rear end being aligned with the earring located on the outer side of the slide barrel The pull rod is connected with the earring bolt, and the pull rod is arranged in the axial through hole in the earring slide rod, and its front end extends to the outside of the earring slide rod and is slidably connected with the inner wall of the slide tube. The pull rod is provided with a limiting portion corresponding to the limiting mechanism, and the limiting mechanism can be contacted and connected with the limiting portion in the pull rod through the limiting groove; the rear end of the pull rod is connected with the wire rope assembly that passes through the earring bolt and extends to the earring slide rod; the positioning mechanism is arranged on the earring slide rod close to the side of the earring bolt, and can be contacted and connected with the wire rope assembly located in the earring slide rod.

[0005] Further, the umbrella bag needle inserting mechanism has the advantages that the limit mechanism is provided with the mounting seat, the limit handle and the torsion spring, the mounting seat is mounted on the outer side of the sliding cylinder, the torsion spring is arranged in the mounting seat, the limit handle is rotationally connected with the mounting seat and is connected with the torsion spring, the limit handle rotates around the mounting seat under the action of external force, and the limit handle is in contact connection with the limit part in the pull rod through the limit slot.

[0006] Further, the umbrella bag needle inserting mechanism has the advantages that the limit mechanism is provided with the mounting seat, the limit handle and the torsion spring, the mounting seat is mounted on the outer side of the sliding cylinder, the torsion spring is arranged in the mounting seat, the limit handle is rotationally connected with the mounting seat and is connected with the torsion spring, the limit handle rotates around the mounting seat under the action of external force, and the limit handle is in contact connection with the limit part in the pull rod through the limit slot.

[0007] Further, the umbrella bag needle inserting mechanism has the advantages that the limit mechanism is provided with the mounting seat, the limit handle and the torsion spring, the mounting seat is mounted on the outer side of the sliding cylinder, the torsion spring is arranged in the mounting seat, the limit handle is rotationally connected with the mounting seat and is connected with the torsion spring, the limit handle rotates around the mounting seat under the action of external force, and the limit handle is in contact connection with the limit part in the pull rod through the limit slot.

[0008] Further, the umbrella bag needle inserting mechanism has the advantages that the limit mechanism is provided with the mounting seat, the limit handle and the torsion spring, the mounting seat is mounted on the outer side of the sliding cylinder, the torsion spring is arranged in the mounting seat, the limit handle is rotationally connected with the mounting seat and is connected with the torsion spring, the limit handle rotates around the mounting seat under the action of external force, and the limit handle is in contact connection with the limit part in the pull rod through the limit slot.

[0009] Further, the ear ring sliding rod is connected with the guiding block in the limiting handle through the limiting slot, and the ear ring sliding rod is connected with the guiding block in the ear ring sliding rod.

[0010] Further, the ear ring sliding rod is connected with the guiding block in the limiting handle through the limiting slot, and the ear ring sliding rod is connected with the guiding block in the ear ring sliding rod.

[0011] Further, the ear ring sliding rod is connected with the guiding block in the limiting handle through the limiting slot, and the ear ring sliding rod is connected with the guiding block in the ear ring sliding rod.

[0012] Further, the ear ring sliding rod is connected with the guiding block in the limiting handle through the limiting slot, and the ear ring sliding rod is connected with the guiding block in the ear ring sliding rod.

[0013] Further, the ear ring sliding rod is connected with the guiding block in the limiting handle through the limiting slot, and the ear ring sliding rod is connected with the guiding block in the ear ring sliding rod.

[0014] The utility model discloses a needle inserting mechanism for umbrella bag, because the ear ring slide bar is equipped in the slide cylinder, and the pull rod is equipped in the ear ring slide bar and is connected with the steel wire rope assembly, the steel wire rope assembly includes steel wire rope, needle, cylindrical pin and steel wire rope joint, the front end of pull rod is connected with the slide cylinder inner wall surface slidingly, and the rear end is connected with the steel wire rope through the steel wire rope joint, through the configuration limiting mechanism and positioning mechanism, utilize the limiting mechanism and the limiting portion in the pull rod contact connection, realize the limiting of pull rod, and utilize the positioning mechanism and the limiting of the steel wire rope joint connected with the pull rod, adopt double limiting mode, like this can improve its safety performance.

[0015] Therefore, the needle inserting mechanism is applied to the umbrella cabin, when the umbrella cabin is contracted, the problem that the steel wire rope is gradually contracted and curved and easily entangled from the straight state can be effectively solved, the safety hazard is greatly reduced, thereby meeting the use requirement of the parachute bag, the whole structure is simple, the assembly is convenient, and the needle inserting mechanism is suitable for popularization and application. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further explained in detail in combination with the drawings.

[0017] Figure 1 It is the structure schematic diagram of prior art umbrella bag needle inserting mechanism;

[0018] Figure 2 It is the structure schematic diagram of the utility model embodiment 1.

[0019] Figure 3 It is the cross section structure schematic diagram of the utility model embodiment 1.

[0020] Figure 4 It is the needle inserting mechanism use state structure schematic of the embodiment 1 Figure 1 ;

[0021] Figure 5 It is the needle inserting mechanism use state structure schematic of the embodiment 1 Figure 2 ;

[0022] Figure 6 It is the needle inserting mechanism use state structure schematic of the embodiment 1 Figure 3 ;

[0023] Figure 7 It is the needle inserting mechanism use state structure schematic of the embodiment 1 Figure 4 ;

[0024] Figure 8 It is the structure schematic diagram of the utility model embodiment 2.

[0025] As shown in the figure: 1 - slide cylinder, 11 - shaft cover, 12 - limit groove, 2 - ear ring slide rod, 21 - guide block, 22 - positioning column, 3 - ear ring bolt, 4 - pull rod, 41 - limiting part, 42 - rod body, 5 - limiting mechanism, 51 - mounting seat, 52 - limiting handle, 53 - torsional spring, 6 - steel wire rope assembly, 61 - steel wire rope, 62 - pin, 63 - cylindrical pin, 64 - steel wire rope joint, 65 - positioning groove, 7 - positioning mechanism, 71 - positioning pin, 72 - spring, 73 - positioning block, 74 - connecting pin, 8 - compression spring. DETAILED DESCRIPTION

[0026] The implementation of the present application will be described by specific embodiments. Those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the specification.

[0027] It should be understood that the structure, proportion, size, etc. shown in the drawings of the specification are only used to cooperate with the content disclosed in the specification for those skilled in the art to understand and read, and are not used to limit the implementation conditions of the present application, so they do not have technical significance. Any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application. At the same time, the terms such as "upper", "lower", "left", "right" and the like used in the specification are only for easy understanding and are not used to limit the scope of the present application. The change or adjustment of the relative relationship without substantially changing the technical content is also considered as the scope of the present application.

[0028] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "connected", "provided with" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] It should be noted that the term "includes" or any other variant is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Example 1

[0030] As Figures 2 to 7As shown, the embodiment provides a pin mechanism for umbrella bag, which comprises a sliding cylinder 1 and a steel wire rope assembly 6, further comprises an ear slide rod 2, an ear bolt 3, a pull rod 4, a limiting mechanism 5 and a positioning mechanism 7, the ear slide rod 2 has an axial through hole, an axle cover 11 is arranged at the front end of the sliding cylinder 1, and an air hole communicating with the inner cavity of the sliding cylinder 1 is further arranged in the axle cover 11, the limiting mechanism 5 is installed on the outer side of the sliding cylinder 1 close to one end of the axle cover 11, and a limiting groove 12 corresponding to the limiting mechanism 5 is further opened on the side of the sliding cylinder 1, the ear slide rod 2 is arranged in the sliding cylinder 1, the rear end thereof is connected with the ear bolt 3 located on the outer side of the sliding cylinder 1, the pull rod 4 is arranged in the axial through hole of the ear slide rod 2, the front end thereof extends to the outer side of the ear slide rod 2 and is slidably connected with the inner wall surface of the sliding cylinder 1, the pull rod 4 is provided with a limiting portion 41 corresponding to the limiting mechanism 5, and the limiting mechanism 5 is in contact with the limiting portion 41 in the pull rod 4 through the limiting groove 12; the rear end of the pull rod 4 is connected with the steel wire rope assembly 6 passing through the ear bolt 3 and extending into the ear slide rod 2; the positioning mechanism 7 is arranged on the ear slide rod 2 close to one side of the ear bolt 3 and is in contact with the steel wire rope assembly 6 in the ear slide rod 2.

[0031] Further, the pin mechanism for umbrella bag, the limiting mechanism 5 comprises a mounting seat 51, a limiting handle 52 and a torsional spring 53, the mounting seat 51 is installed on the outer side of the sliding cylinder 1, the torsional spring 53 is arranged in the mounting seat 51, the limiting handle 52 is rotatably connected with the mounting seat 51 and connected with the torsional spring 53, under the action of external force, the limiting handle 52 rotates around the mounting seat 51 through the torsional spring 53, and the limiting handle 52 is in contact with the limiting portion 41 in the pull rod 4 through the limiting groove 12.

[0032] Further, the pin mechanism for umbrella bag, the pull rod 4 comprises a rod body portion 42 integrally formed with the limiting portion 41, wherein the limiting portion 41 comprises a stop boss and a limiting shaft, the limiting shaft has an outer diameter smaller than that of the rod body portion 42, and the rod body portion 42 has an outer diameter smaller than that of the stop boss, the pull rod 4 is slidably connected with the inner wall surface of the sliding cylinder 1 through the stop boss and slidably connected with the axial through hole in the ear slide rod 2 through the rod body portion 42, the pull rod 4 is in contact with the limiting handle 52 through the limiting shaft and is axially limited through the stop boss, and the pull rod 4 is connected with the steel wire rope assembly 6 through the rod body portion 42.

[0033] Further, the utility model discloses a needle inserting mechanism for umbrella bag, the steel wire rope subassembly 6 includes steel wire rope 61, needle 62, cylindrical pin 63 and steel wire rope joint 64, the rear end of the pole body part 42 in the pull rod 4 is equipped with the axial insertion hole matched with steel wire rope joint 64, and the rear end of pole body part 42 is also equipped with the longitudinal insertion hole matched with cylindrical pin 63, the longitudinal insertion hole is communicated with axial insertion hole, the cylindrical pin 63 is set up in pole body part 42 through longitudinal insertion hole, the front end of steel wire rope joint 64 is set up in pole body part 42 through axial insertion hole, and is connected with the cylindrical pin 63 set up in longitudinal insertion hole, and the rear end thereof is located in the axial through hole in the earring slide bar 2, the rear end of steel wire rope 61 is connected with needle 62, and the front end thereof passes through earring bolt 3 and extends to the axial through hole in the earring slide bar 2, and is connected with the steel wire rope joint 64 in the earring slide bar 2, the steel wire rope subassembly 6 can be contacted and connected with the positioning mechanism 7 through steel wire rope joint 64.

[0034] Further, the utility model discloses a needle inserting mechanism for umbrella bag, the steel wire rope subassembly 6 still includes locking screw, the rear end of steel wire rope joint 64 is equipped with the guide hole matched with steel wire rope 61, and the side of steel wire rope joint 64 is equipped with the threaded hole through the guide hole, the front end of steel wire rope 61 is inserted into steel wire rope joint 64 through the guide hole, and the locking screw is connected with steel wire rope 61 inserted into the guide hole through the threaded hole.

[0035] Further, the utility model discloses a needle inserting mechanism for umbrella bag, the front end of earring slide bar 2 is also equipped with guide block 21, the length of guide block 21 is matched with the length of the limiting shaft in pull rod 4, and the limiting handle 52 in limiting mechanism 5 can be contacted and connected with guide block 21 in earring slide bar 2 through limiting slot 12.

[0036] Further, the utility model discloses a needle inserting mechanism for umbrella bag, the positioning mechanism 7 includes positioning pin 71, spring 72, positioning block 73 and connecting pin 74, the rear end of earring slide bar 2 is equipped with the positioning column 22 integrated with earring slide bar 2, and the positioning column 22 is equipped with the accommodating cavity matched with positioning pin 71, the positioning hole that is communicated with the axial through hole is equipped in the accommodating cavity, the positioning block 73 is blocked at the rear end of accommodating cavity through connecting pin 74, the positioning pin 71 is set up in the accommodating cavity and extends to the outside of positioning block 73, the spring 72 is set up in the accommodating cavity and is sleeved on positioning pin 71, the positioning pin 71 is contacted and connected or separated with steel wire rope joint 64 in steel wire rope subassembly 6 under the action of external force through spring 72.

[0037] Further, the inserting needle mechanism for umbrella bag has the spring 72, the spring 72 is arranged on the pin body part, the lower end of the spring 72 is in abutting contact with the positioning block 73, and the upper end of the spring 72 is in abutting contact with the boss of the positioning pin.

[0038] Further, the inserting needle mechanism for umbrella bag has the spring 72, the spring 72 is arranged on the pin body part, the lower end of the spring 72 is in abutting contact with the positioning block 73, and the upper end of the spring 72 is in abutting contact with the boss of the positioning pin. Embodiment 2

[0039] As Figure 8 shown, the inserting needle mechanism is used in the embodiment, and the mounting shaft 8 is further arranged on the sliding cylinder 1, the mounting shaft 8 is arranged on the sliding cylinder 1 close to the shaft cover 11, and the sliding cylinder 1 is conveniently mounted on the machine body support in the umbrella cabin through the mounting shaft 8.

[0040] The inserting needle mechanism for umbrella bag is mounted in the umbrella cabin in the specific application process, and the specific control process is that the sliding cylinder 1 is mounted on the machine body support in the umbrella cabin through the mounting shaft 8 at the left end, the inserting needle mechanism is in the initial position when the umbrella cabin is in the closed state, and the initial state structure is as shown in Figure 4 .

[0041] In the lifting process of the umbrella cabin, the ear ring bolt 3 is lifted upwards, the ear ring slide rod 2, the steel wire rope assembly 6 and the pull rod 4 are slid along the axis of the sliding cylinder 1 and drive the sliding cylinder 1 to rotate around the machine body support, at this time, the limiting handle 52 in the limiting mechanism 5 relatively slides on the outer circular surface of the ear ring slide rod 2, in the continuous lifting process of the umbrella cabin, the limiting handle 52 is rotated downwards under the action of the torsion spring 53, passes through the limiting groove 12 in the sliding cylinder 1 and is in contact with the outer circular surface of the pull rod 4 in the sliding cylinder 1, in the continuous lifting process of the umbrella cabin, the limiting handle 52 is in contact with the stop boss in the front end limiting part 41 of the pull rod 4, the stop boss is used for limiting the limiting handle 52 from continuously sliding, and the state of the inserting needle mechanism is as shown in Figure 5 .

[0042] In this state, the positioning pin 71 in the positioning mechanism 7 and the steel wire rope joint 64 in the steel wire rope assembly 6 are limited by the positioning part in the positioning pin 71 and the positioning groove 65 in the steel wire rope joint 64, in the process of continuing to move the pull rod 4 backward, the steel wire rope joint 64 in the steel wire rope assembly 6 presses the positioning pin 71, thereby compressing the spring 72, so that the earring sliding rod 2 is separated from the pull rod 4 and the steel wire rope assembly 6, the umbrella tube in the umbrella cabin drives the earring sliding rod 2 to continue to slide upward, thereby making the distance between the steel wire rope assembly 6 and the umbrella bag larger, making the steel wire rope 61 tight, starting to pull out the plug pin 62 connected with the umbrella bag, when the umbrella cabin rises to the highest position, the distance between the steel wire rope assembly 6 and the plug pin increases, and the distance difference is used to pull out the plug pin 62 from the umbrella bag completely, at this time, the plug pin mechanism is as shown in Figure 6 .

[0043] When the umbrella cabin is in the fully opened state, the limiting handle 52 in the limiting mechanism 5 is pressed, the limiting handle 52 is separated from the stop boss in the front end limiting part 41 of the pull rod 4, the plug pin 62 is pulled out to drive the pull rod 4 to slide upward, when the positioning pin 71 falls back to the positioning groove 65, the plug pin 62 can be inserted into the umbrella bag again, at this time, the plug pin mechanism is as shown in Figure 7 .

[0044] When the umbrella cabin is retracted, the earring sliding rod 2, the pull rod 4 and the steel wire rope assembly 6 slide downward along the axis of the sliding cylinder 1, when the outer circular surface of the earring sliding rod 2 collides with the limiting handle 52 in the limiting mechanism 5, the limiting handle 52 is automatically lifted upward and falls on the outer circular surface of the earring sliding rod 2, the umbrella cabin continues to be retracted downward until returning to the initial state.

[0045] Therefore, the plug pin mechanism for the umbrella bag has the advantages that the earring sliding rod 2 is arranged in the sliding cylinder 1, the pull rod 4 connected with the steel wire rope assembly 6 is arranged in the earring sliding rod 2, the steel wire rope assembly 6 comprises the steel wire rope 61, the plug pin 62, the cylindrical pin 63 and the steel wire rope joint 64, the front end of the pull rod 4 is slidably connected with the inner wall surface of the sliding cylinder 1, and the rear end is connected with the steel wire rope 61 through the steel wire rope joint 64, the limiting mechanism 5 and the positioning mechanism 7 are arranged, the limiting mechanism 5 is in contact with the limiting part 41 in the pull rod 4 to limit the pull rod 4, the positioning mechanism 7 is used for limiting the steel wire rope joint 64 connected with the pull rod 4, and the double limiting mode is adopted, so that the safety performance is improved.

[0046] In conclusion, the plug pin mechanism is applied to the umbrella cabin, can effectively solve the problem that the steel wire rope is gradually retracted and curved and easily entangled from the straight state when the umbrella cabin is retracted, greatly reduces the safety hidden danger, meets the use requirement of the parachute bag, has a simple overall structure, is convenient to assemble and disassemble, and is suitable for promotion and application.

[0047] The other parts not described in detail of the utility model are the conventional technology known by the person skilled in the art.

[0048] The above is only the preferred embodiment of the utility model, and does not limit the utility model, and various changes and changes can be made for the person skilled in the art, and any modification, equivalent replacement, improvement and the like made by the utility model should be included in the protection scope of the utility model.

Claims

1. A pin mechanism for an umbrella comprising a slide tube (1) and a steel wire assembly (6), characterized in that: The pin mechanism further comprises an ear slide rod (2), an ear bolt (3), a pull rod (4), a limiting mechanism (5) and a positioning mechanism (7). The ear slide rod (2) has an axial through hole. An axle cover (11) is arranged at the front end of the slide cylinder (1). The limiting mechanism (5) is installed on the outer side of the slide cylinder (1) near one end of the axle cover (11). A limiting groove (12) corresponding to the limiting mechanism (5) is further formed on the side of the slide cylinder (1). The ear slide rod (2) is arranged in the slide cylinder (1) and connected with the ear bolt (3) on the outer side of the slide cylinder (1) at the rear end. The pull rod (4) is arranged in the axial through hole of the ear slide rod (2) and extends to the outer side of the ear slide rod (2) at the front end and is in sliding connection with the inner wall of the slide cylinder (1). The pull rod (4) is provided with a limiting portion (41) corresponding to the limiting mechanism (5). The limiting mechanism (5) is in contact with the limiting portion (41) of the pull rod (4) through the limiting groove (12). The rear end of the pull rod (4) is connected with the steel wire rope assembly (6) extending through the ear bolt (3) and into the ear slide rod (2). The positioning mechanism (7) is arranged on the ear slide rod (2) near one side of the ear bolt (3) and in contact with the steel wire rope assembly (6) in the ear slide rod (2).

2. A pin mechanism for an umbrella pack according to claim 1, characterised in that: The limiting mechanism (5) comprises a mounting seat (51), a limiting handle (52) and a torsion spring (53). The mounting seat (51) is installed on the outer side of the slide cylinder (1). The torsion spring (53) is arranged in the mounting seat (51). The limiting handle (52) is in rotational connection with the mounting seat (51) and connected with the torsion spring (53). The limiting handle (52) rotates around the mounting seat (51) under the action of external force through the torsion spring (53). The limiting handle (52) is in contact with the limiting portion (41) of the pull rod (4) through the limiting groove (12).

3. A pin mechanism for an umbrella pack according to claim 2, wherein: The pull rod (4) comprises a rod body portion (42) integrally formed with the limiting portion (41). The limiting portion (41) comprises a stop boss and a limiting shaft. The outer diameter of the limiting shaft is smaller than the outer diameter of the rod body portion (42), and the outer diameter of the rod body portion (42) is smaller than the outer diameter of the stop boss. The pull rod (4) is in sliding connection with the inner wall of the slide cylinder (1) through the stop boss and in sliding connection with the axial through hole in the ear slide rod (2) through the rod body portion (42). The pull rod (4) is in contact with the limiting handle (52) through the limiting shaft and axially limited by the stop boss. The pull rod (4) is connected with the steel wire rope assembly (6) through the rod body portion (42).

4. A pin mechanism for an umbrella pack according to claim 3, wherein: The steel wire rope assembly (6) comprises a steel wire rope (61), a pin (62), a cylindrical pin (63) and a steel wire rope joint (64), the rear end of the rod body (42) in the pull rod (4) is provided with an axial insertion hole matched with the steel wire rope joint (64), and the rear end of the rod body (42) is also provided with a longitudinal insertion hole matched with the cylindrical pin (63), the longitudinal insertion hole is communicated with the axial insertion hole, the cylindrical pin (63) is arranged in the rod body (42) through the longitudinal insertion hole, the front end of the steel wire rope joint (64) is arranged in the rod body (42) through the axial insertion hole and connected with the cylindrical pin (63) arranged in the longitudinal insertion hole, and the rear end of the steel wire rope joint (64) is located in the axial through hole in the earring sliding rod (2), the rear end of the steel wire rope (61) is connected with the pin (62), the front end of the steel wire rope (61) passes through the earring bolt (3) and extends into the axial through hole in the earring sliding rod (2), and then is connected with the steel wire rope joint (64) in the earring sliding rod (2), the steel wire rope assembly (6) is connected with the positioning mechanism (7) through the steel wire rope joint (64).

5. A pin mechanism for an umbrella pack according to claim 4, wherein: The steel wire rope assembly (6) further comprises a locking screw, the rear end of the steel wire rope joint (64) is provided with a guide hole matched with the steel wire rope (61), and the side of the steel wire rope joint (64) is provided with a threaded hole communicated with the guide hole, the front end of the steel wire rope (61) is inserted into the steel wire rope joint (64) through the guide hole, and the locking screw is connected with the steel wire rope (61) inserted into the guide hole through the threaded hole.

6. A pin mechanism for an umbrella pack according to claim 4, wherein: The front end of the earring sliding rod (2) is further provided with a guide block (21), the length of the guide block (21) matches the length of the limiting shaft in the pull rod (4), and the limiting handle (52) in the limiting mechanism (5) passes through the limiting groove (12) and is connected with the guide block (21) in the earring sliding rod (2).

7. A pin mechanism for an umbrella pack according to claim 6, wherein: The positioning mechanism (7) comprises a positioning pin (71), a spring (72), a positioning block (73) and a connecting pin (74), the rear end of the earring sliding rod (2) is provided with a positioning column (22) integrally formed with the earring sliding rod (2), the positioning column (22) is provided with a containing cavity matched with the positioning pin (71), the containing cavity is provided with a positioning hole communicated with an axial through hole, the positioning block (73) is blocked at the rear end of the containing cavity through the connecting pin (74), the positioning pin (71) is arranged in the containing cavity and extends outward to the outside of the positioning block (73), and the spring (72) is arranged in the containing cavity and sleeved on the positioning pin (71), under the action of external force, the positioning pin (71) can be connected with or separated from the steel wire rope joint (64) in the steel wire rope assembly (6) through the spring (72).

8. A pin mechanism for an umbrella pack according to claim 7, wherein: The positioning pin (71) comprises a pin body part and a positioning part, the pin body part is provided as a cylindrical structure with a boss, the positioning part is arranged on the boss and extends into the axial through hole through the positioning hole; the spring (72) is sleeved on the cylinder in the pin body part; the steel wire rope joint (64) is provided with an inwardly recessed positioning groove (65), the positioning groove (65) can accommodate the positioning part in the positioning pin (71), the positioning pin (71) extending into the axial through hole is connected with the steel wire rope joint (64) through the positioning groove (65), so that the axial positioning of the steel wire rope assembly (6) is realized; under the action of external force, the positioning part in the positioning pin (71) is separated from the positioning groove (65) in the steel wire rope joint (64) through the spring (72).

9. The pin insertion mechanism for an umbrella bag according to claim 8, characterized in that: The spring (72) is provided as a reset spring, the lower end of the spring (72) is in abutting contact with the positioning block (73), and the upper end of the spring (72) is in abutting contact with the boss in the positioning pin.

10. A pin mechanism for an umbrella package according to claim 1, wherein: The shaft cover (11) is also provided with a ventilation hole communicating with the inner cavity of the sliding cylinder (1), and the sliding cylinder (1) is also provided with a mounting shaft (8), the mounting shaft (8) is arranged on the sliding cylinder (1) close to the shaft cover (11).

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