CN219159367U - Hook lock device and movable platform - Google Patents

Abstract

The embodiment of the utility model provides a hooking and locking device and a movable platform, and relates to the field of hooking and locking tools. The hook lock device comprises a hook body, a baffle and a movable hook, wherein the baffle is rotatably connected to the hook body, the movable hook comprises a first hook tip, a movable seat and a second hook tip, and the movable seat is rotatably connected to the hook body; wherein, a bearing cavity is formed between the second hook tip and the movable seat. When the rope is needed to be hung to bear the weight, the baffle plate is used for being matched with the second hook tip so as to seal the bearing cavity and prevent the rope from sliding out of the bearing cavity; when the rope and the weight are required to be dismounted, the baffle piece is separated from the second hook tip, the movable seat rotates under the gravity action of the weight, and meanwhile, the bearing cavity is opened, and the rope slides out. When the movable seat rotates to a certain angle, the baffle sheet is matched with the first hook tip, so that excessive rotation of the movable seat can be avoided. The whole process does not need to manually take down the rope, improves the working efficiency, and reduces the potential safety hazard.

Description

Hook lock device and movable platform

Technical Field

The utility model relates to the field of hooking and locking tools, in particular to a hooking and locking device and a movable platform.

Background

In the field of material suspension, a stationary hook is typically used to suspend the material. The existing fixed hook is difficult to realize automatic unhooking in actual use, and the rope is required to be manually taken down from the hook, so that the working efficiency is not only influenced, but also certain potential safety hazards exist.

Disclosure of Invention

The utility model provides a hook lock device and a movable platform, which do not need to manually take down a rope from a hook, thereby improving the working efficiency and reducing the potential safety hazard.

Embodiments of the utility model may be implemented as follows:

an embodiment of the present utility model provides a hooking lock device, including:

a hook body;

the baffle is rotatably connected to the hook body; and

the movable hook comprises a first hook tip, a movable seat and a second hook tip, and the movable seat is rotatably connected with the hook body;

a bearing cavity is formed between the second hook tip and the movable seat, and the baffle is used for being matched with the second hook tip so as to seal the bearing cavity; alternatively, the flap is adapted to cooperate with the first hook tip to open the load-bearing cavity.

Optionally, the separation blade includes connecting plate, first hasp and the second hasp that is connected, and first hasp is close to the coupler body for the second hasp, and the connecting plate rotationally connects in the coupler body, and first hasp and first hook point cooperation, second hasp and second hook point cooperation.

Optionally, the extension length of the first lock catch is longer than the extension length of the second lock catch, and the extension length of the locking hook tip is longer than the extension length of the anti-unhooking hook tip.

Optionally, the movable seat comprises a protection sheet and a locking sheet which are fixedly connected, the protection sheet is rotatably connected to the hook body, the first hook tip is connected to one side, close to the hook body, of the protection sheet, and the locking hook tip is connected to one side, far away from the hook body, of the locking sheet.

Optionally, the protection piece and the locking piece are both provided with accommodating grooves.

Optionally, an avoidance groove is formed on the protection sheet and formed between the accommodating groove and the first hook tip.

Optionally, the hook lock device further comprises a driving piece, and the driving piece is connected to the hook body and used for driving the baffle to rotate.

Optionally, the baffle further comprises a transmission plate, one end of the transmission plate is rotatably connected to the driving piece, and the other end of the transmission plate is fixedly connected with the connecting plate.

Optionally, the driving member includes a telescopic member and a driving lever, the telescopic member is mounted on the hook body, and the driving lever is rotatably connected between the telescopic member and the driving plate.

Optionally, the extension piece includes the extension piece and the reset spring that are connected, and the extension piece is installed in the coupler body, and reset spring cover locates the outside of extension piece, and reset spring's one end is connected in the coupler body, and reset spring's the other end is connected in the lateral wall of extension piece.

Optionally, the telescopic member still includes the stopper, and the stopper is connected in the outside of telescopic member to one side that the stopper is close to the coupler body is connected with reset spring's end.

Optionally, the hook body comprises a mounting part and a bearing part which are connected, the driving piece is connected to the mounting part, and the baffle and the movable hook are both rotatably connected to the bearing part.

Optionally, the mounting portion is provided with a mounting slot for receiving the driving member.

The embodiment of the utility model also provides a movable platform which comprises the hooking and locking device.

The hook lock device and the movable platform of the embodiment of the utility model have the beneficial effects that:

the hook lock device comprises a hook body, a baffle and a movable hook, wherein the baffle is rotatably connected to the hook body, the movable hook comprises a first hook tip, a movable seat and a second hook tip, and the movable seat is rotatably connected to the hook body; wherein, a bearing cavity is formed between the second hook tip and the movable seat. When the rope is needed to be hung to bear the weight, the baffle plate is used for being matched with the second hook tip so as to seal the bearing cavity and prevent the rope from sliding out of the bearing cavity; when the rope and the weight are required to be dismounted, the baffle piece is separated from the second hook tip, the movable seat rotates under the gravity action of the weight, and meanwhile, the bearing cavity is opened, and the rope slides out. When the movable seat rotates to a certain angle, the baffle sheet is matched with the first hook tip, so that excessive rotation of the movable seat can be avoided. The whole process does not need to manually take down the rope, improves the working efficiency, and reduces the potential safety hazard.

The movable platform comprises the hooking and locking device and has all functions of the hooking and locking device.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a latch device according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a latch device according to a second embodiment of the present utility model;

FIG. 3 is an exploded view of a latch device provided in an embodiment of the present utility model;

FIG. 4 is a schematic view of a hook body according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a baffle according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a movable hook according to an embodiment of the present utility model;

fig. 7 is a schematic structural view of a driving member according to an embodiment of the present utility model.

Icon: 100-hooking and locking device; 110-hook body; 112-a mounting portion; 1121-a mounting slot; 114-a carrier; 130-a baffle; 131-a first shackle; 132-a second shackle; 133-connecting plates; 134-a drive plate; 150-a movable hook; 151-first hook tip; 152-second hook tip; 153-a movable seat; 154-locking piece; 155-a protective sheet; 156-accommodating grooves; 157-avoiding grooves; 160-a load-bearing chamber; 170-a driver; 172-telescoping member; 1721-protrusions; 1722-return springs; 1723-stopper; 174-drive rod.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, if the terms "upper", "lower", "inner", "outer", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.

The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Unless specifically stated or limited otherwise, terms such as "disposed," "connected," and the like should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that the features of the embodiments of the present utility model may be combined with each other without conflict.

Referring to fig. 1 to 7, the present embodiment provides a latch device 100 and a movable platform, and the latch device 100 and the movable platform provided in the embodiment of the utility model can solve the above-mentioned problems, and will be described in detail below.

The movable platform comprises the hooking means 100 by means of which hooking means 100 the ropes on the container containing the material are suspended. The traction equipment is provided with corresponding traction pieces, and the traction pieces provide a power source to move, so that the container is driven to move through the hooking and locking device 100, and the purpose of traction to a proper position in a holding manner is achieved.

This movable platform can be unmanned aerial vehicle, and the flight wing can set up in the top of hook lock device 100 to be provided with the traction element that corresponds and be used for power take off, this flight wing can also include rotor and fixed wing, drives hook lock device 100 through the flight wing and flies in the sky, and then realizes unsettled traction movement effect to the material.

The movable platform can also be an unmanned vehicle, wheels or caterpillar tracks for walking and supporting are arranged on the unmanned vehicle, the traction piece outputs power, and the wheels or caterpillar tracks are driven to rotate through the transmission shaft so as to move along the bottom surface.

And no matter the movable platform is an unmanned aerial vehicle or an unmanned vehicle, the movable platform can automatically operate according to a preset path, a preset moving speed, a preset gesture and the like. When the design meets the requirements, a driver can also be mounted, so that the related operation can be manually operated in the cab by the driver.

Referring to fig. 1 to 3, the latch device 100 includes a hook body 110, a blocking piece 130 and a movable hook 150, the blocking piece 130 is rotatably connected to the hook body 110, the movable hook 150 includes a first hook tip 151, a movable seat 153 and a second hook tip 152, and the movable seat 153 is rotatably connected to the hook body 110; wherein, a bearing cavity 160 is formed between the second hook tip 152 and the movable seat 153, and the blocking piece 130 is used for matching with the second hook tip 152 to seal the bearing cavity 160; alternatively, the flap 130 is adapted to cooperate with the first hook tip 151 to open the load chamber 160.

When the rope is needed to be hung to bear the weight, the baffle 130 is used for being matched with the second hook tip 152 so as to seal the bearing cavity 160 and prevent the rope from sliding out of the bearing cavity 160; when the rope and the weight need to be removed, the blocking piece 130 is separated from the second hook tip 152, the movable seat 153 rotates under the gravity action of the weight, and the bearing cavity 160 is opened, so that the rope slides out. When the movable seat 153 rotates to a certain angle, the blocking piece 130 is matched with the first hook tip 151, so that excessive rotation of the movable seat can be avoided. The whole process does not need to manually take down the rope, improves the working efficiency, and reduces the potential safety hazard.

In addition, the latch device 100 further includes a driving member 170, where the driving member 170 is connected to the hook body 110 and is used to drive the catch 130 to rotate. The driving member 170 serves as a power source for converting potential energy of the driving member into kinetic energy, and further drives the blocking piece 130 to move.

The power form of the driving member 170 may be various, including but not limited to electric driving, electromagnetic driving, gas driving, hydraulic driving, etc.

The hooking and locking device 100 further comprises a plurality of screws, rivets and nuts which play a role in connection, and corresponding parts are provided with through holes or screw holes which are convenient for the screws to pass through, and the riveting positions are usually one-time connection, so that adjustment is not needed basically after riveting; the detachable connecting device has the advantage of being detachable at the position of threaded connection, and has the function of conveniently disassembling and replacing accessories.

Referring to fig. 4, the hook body 110 includes a mounting portion 112 and a carrying portion 114 connected to each other, the driving member 170 is connected to the mounting portion 112, and the blocking piece 130 and the movable hook 150 are rotatably connected to the carrying portion 114. Specifically, the mounting portion 112 is provided with a mounting groove 1121, and the mounting groove 1121 is configured to receive the driving member 170.

In this embodiment, the bearing part 114 includes two connected bending plates, and a gap exists between the top ends of the bending plates, so that a mounting slot 1121 is formed, and the mounting slot 1121 is used for mounting the driving member 170. The mounting groove 1121 is open at both ends to facilitate the telescopic movement of the connection line and the driving member 170. Four bending lugs are further arranged at the top end of the bearing part 114, bending lugs are arranged at the edge of each bending plate, through holes are formed in each bending lug, and fasteners can be inserted into the through holes to fixedly connect the bearing part 114 with the outside.

Furthermore, the two bending plates in this embodiment may be integrally formed, welded or riveted. The shape of the through holes is circular, and in other embodiments of the present utility model, the shape of the through holes may be square, diamond, triangle, etc. In this embodiment, the number of the through holes and the folded lugs is four, and in other embodiments of the present utility model, the shapes of the through holes and the folded lugs may be two, three, five, six, seven, etc.

An arc edge is further arranged between the two bending lugs on the same bending plate, an opening of the arc edge faces upwards and is used for forming an avoidance space for the connecting position above, and interference caused by connection of the bearing part 114 and other parts is avoided.

Referring to fig. 4, the bearing part 114 is in a hook shape, the bottom end of the bearing part 114 is in a curved structure, and a hinge hole for hinge-connecting with the movable hook 150 is formed, so that the rotation of the movable hook 150 can take the hinge hole as a fulcrum.

Referring to fig. 5, the blocking piece 130 includes a connecting plate 133, a first latch 131 and a second latch 132, wherein the connecting plate 133 is rotatably connected to the hook body 110, and the first latch 131 is close to the hook body 110 with respect to the second latch 132. The first latch 131 is engaged with the first hook tip 151 and the second latch 132 is engaged with the second hook tip 152.

In the actual use process, when the second lock catch 132 contacts with the second hook tip 152, the bearing cavity 160 can be in a closed state in the plane, so that the rope on the movable seat 153 can be prevented from falling off. When the first lock catch 131 contacts with the first hook tip 151, the rotation of the movable seat 153 can be limited, at this time, the bearing cavity 160 is in an open state in the plane, the rope can be separated from the bearing cavity by self under the action of gravity, and the first lock catch 131 can prevent the movable seat 153 from rotating excessively, so as to prevent the movable seat 153 from falling off from the hook body 110. Moreover, the first lock catch 131 and the first hook tip 151 cooperate to seal a gap between the hook body 110 and the bottom surface of the movable seat 153, so that a rope is prevented from being placed between the hook body 110 and the bottom surface of the movable seat 153 by mistake, and potential safety hazards are relieved.

It should be noted that the baffle 130 further includes a driving plate 134, and the driving plate 134 is rotatably connected to the driving member 170. The end that drive plate 134 and driving piece 170 are connected and the end that connecting plate 133 and coupler body 110 are connected are the design of bifurcation, and the tip is provided with the opening, is used for embedding the part of driving piece 170 and coupler body 110 respectively, and the through-hole has also been seted up to the entity position of opening both sides for observe the connecting piece, be connected drive plate 134 and driving piece 170, connecting plate 133 and coupler body 110 through the bolt structure to the connected mode is swivelling joint.

Referring to fig. 6, the movable seat 153 includes a protection piece 155 and a locking piece 154 that are fixedly connected, the protection piece 155 is rotatably connected to the hook body 110, the first hook tip 151 is disposed on one side of the protection piece 155 close to the hook body 110, and the second hook tip 152 is disposed on one side of the locking piece 154 far from the hook body 110.

The number of the protection pieces 155 is two, the number of the locking pieces 154 is one, and one locking piece 154 is arranged between the two protection pieces 155. Two corresponding through holes are formed in the protective sheet 155 and the locking sheet 154, and the protective sheet 155 and the locking sheet 154 are fixedly connected, so that relative rotation between the protective sheet 154 and the locking sheet 155 is avoided.

Of course, in other embodiments of the present utility model, the number of guard tabs 155 and locking tabs 154 may be other numbers.

In addition, the protection piece 155 and the locking piece 154 are provided with a containing groove 156, the containing groove 156 is located between the first hook tip 151 and the second hook tip 152, and the containing groove 156 is used for placing ropes for hanging. The receiving groove 156 is arc-shaped and opens upward. In other embodiments of the present utility model, the shape of the accommodating groove 156 may be U, V, W, which is enough to accommodate the rope without the rope easily sliding out.

Referring to fig. 6, the shielding sheet 155 is provided with a relief groove 157, and the relief groove 157 is formed between the receiving groove 156 and the first hook tip 151. Through setting up dodging the groove 157 for the vicinity of first hook point 151 possesses sufficient space, and the convenience is contacted with first hasp 131 and is protected the locking, and avoids producing the interference to the relative contact of first hasp 131 and first hook point 151.

Referring to fig. 5 and 6, the first latch 131 has an extension length longer than that of the second latch 132, and the second hook tip 152 has an extension length longer than that of the first hook tip 151. In terms of a specific structure, if the length of the first hook tip 151 is long, limited by its position close to the hook body 110, there is a risk of contact with the bearing portion 114 in advance during rotation, and the first hook tip 151 will not interfere with contact with other components during rotation relative to the position away from the hook body 110. In order to ensure that the rotation range of the movable hook 150 is as large as possible, the extension length of the first hook tip 151 is designed to be smaller than that of the second hook tip 152.

Referring to fig. 7, the driving member 170 includes a telescopic member 172 and a driving lever 174, and the driving lever 174 is rotatably coupled between the telescopic member 172 and the driving plate 134. The telescopic member 172 is used for providing power for extension and retraction, and drives the transmission plate 134 and the connection plate 133 to rotate clockwise through the driving rod 174, so that the second lock catch 132 contacts with the second hook tip 152, and the bearing cavity 160 is closed to prevent the rope above the accommodating groove 156 from falling.

The telescopic member 172 includes an extension member 1721 and a return spring 1722, wherein the extension member 1721 is mounted on the hook body 110, the return spring 1722 is sleeved on the outer side of the extension member 1721, one end of the return spring 1722 is connected to the hook body 110, and the other end of the return spring 1722 is connected to the side wall of the extension member 1721.

Specifically, the protruding member 1721 may be an electromagnet, and performs a protruding movement when energized, and the protruding force disappears when de-energized.

The telescopic member 172 may further include a stopper 1723, wherein the stopper 1723 is connected to an outer side of the extension member 1721, and one side of the stopper 1723 near the hook 110 is connected to an end of the return spring 1722.

When the extending member 1721 extends, the restoring spring 1722 is pulled by the limiting block 1723, and the restoring spring 1722 stores elastic potential energy. When the electromagnet is powered off, the elastic potential energy of the return spring 1722 is released as kinetic energy to drive the extension piece 1721 to retract, the driving rod 174 rotates counterclockwise, at this time, the first lock catch 131 contacts with the first hook tip 151, the bearing cavity 160 is opened, and excessive rotation of the movable seat 153 relative to the hook body 110 can be avoided.

In this embodiment, the limiting block 1723 is annular and is sleeved outside the extending member 1721. In other embodiments of the present utility model, the stopper 1723 may also be a plurality of arc structures arranged intermittently.

It should be noted that the telescopic member 172 may be a motor, a pneumatic cylinder, a hydraulic cylinder, or the like, and may perform a retracting movement in addition to an extending movement, so that the driving plate 134 and the connecting plate 133 are driven to rotate by the driving rod 174.

According to the latch device 100 provided in the present embodiment, the operating principle of the latch device 100 is as follows:

after the rope is placed on the accommodating groove 156, the extending piece 1721 extends to drive the transmission plate 134 and the connecting plate 133 to rotate clockwise through the driving rod 174, so that the second lock catch 132 is matched with the second hook tip 152 to seal the bearing cavity 160, and the rope is prevented from falling off in the moving process; when the rope needs to be detached, the kinetic energy of the extending piece 1721 disappears, the elastic potential energy of the reset spring 1722 rotates to be kinetic energy, the extending piece 1721 is driven to retract, the driving plate 134 and the connecting plate 133 are driven to rotate anticlockwise through the driving rod 174, the second lock catch 132 unlocks the second hook tip 152, the bearing cavity 160 is opened, the rope and the gravity of the suspended weight are matched, the movable seat 153 rotates, the rope slides out of the accommodating groove 156, when the movable seat 153 rotates to a certain angle, the first lock catch 131 contacts with the first hook tip 151, the rotation angle of the movable seat 153 is limited, excessive abrasion of the connecting position caused by the rotation of the movable seat 153 to a limit angle is avoided, and the influence on the service life of the whole hook locking device 100 is prevented. In addition, when the first lock catch 131 contacts with the first hook tip 151, a gap between the hook body 110 and the bottom surface of the movable seat 153 can be plugged, so that a rope is prevented from being placed between the hook body 110 and the bottom surface of the movable seat 153 by mistake, and potential safety hazards can be relieved.

The rope is not required to be manually taken down in the process, so that the working efficiency is improved, and the potential safety hazard is reduced.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (14)

1. A hooking and locking device, comprising:

a hook body (110);

a flap (130), the flap (130) being rotatably connected to the hook body (110); and

a movable hook (150), wherein the movable hook (150) comprises a first hook tip (151), a movable seat (153) and a second hook tip (152), and the movable seat (153) is rotatably connected to the hook body (110);

wherein, a bearing cavity (160) is formed between the second hook tip (152) and the movable seat (153), and the baffle (130) is used for being matched with the second hook tip (152) so as to seal the bearing cavity (160); alternatively, the flap (130) is adapted to cooperate with the first hook tip (151) to open the load-bearing cavity (160).

2. The hooking locking device of claim 1 wherein the flap (130) comprises a connecting plate (133) connected, a first catch (131) and a second catch (132), the first catch (131) being adjacent to the hook body (110) relative to the second catch (132), the connecting plate (133) being rotatably connected to the hook body (110), the first catch (131) being engaged with the first hook tip (151), the second catch (132) being engaged with the second hook tip (152).

3. The hooking lock device according to claim 2, characterized in that the extension of the first shackle (131) is longer than the extension of the second shackle (132), and the extension of the second hook tip (152) is longer than the extension of the first hook tip (151).

4. The hooking and locking device according to claim 1, characterized in that said movable seat (153) comprises a protection piece (155) and a locking piece (154) fixedly connected, said protection piece (155) being rotatably connected to said hook body (110), said first hook tip (151) being connected to a side of said protection piece (155) close to said hook body (110), said second hook tip (152) being connected to a side of said locking piece (154) remote from said hook body (110).

5. The hooking lock device according to claim 4, characterized in that the protective sheet (155) and the locking sheet (154) are each provided with a receiving groove (156).

6. The hooking lock device according to claim 5, characterized in that the protective sheet (155) is provided with a relief groove (157), said relief groove (157) being formed between the receiving groove (156) and the first hooking tip (151).

7. The latch assembly of claim 2, further comprising a driving member (170), wherein the driving member (170) is connected to the hook body (110) and is configured to rotate the blocking piece (130).

8. The latch device according to claim 7, wherein the blocking piece (130) further comprises a transmission plate (134), one end of the transmission plate (134) is rotatably connected to the driving member (170), and the other end of the transmission plate (134) is fixedly connected to the connection plate (133).

9. The latch assembly of claim 8, wherein said drive member (170) includes a telescoping member (172) and a drive rod (174), said telescoping member (172) being mounted to said hook body (110), said drive rod (174) being rotatably connected between said telescoping member (172) and said drive plate (134).

10. The latch device according to claim 9, wherein the telescopic member (172) includes a protrusion (1721) and a return spring (1722) connected to each other, the protrusion (1721) is mounted to the hook body (110), the return spring (1722) is sleeved on the outer side of the protrusion (1721), one end of the return spring (1722) is connected to the hook body (110), and the other end of the return spring (1722) is connected to a side wall of the protrusion (1721).

11. The latch device according to claim 10, wherein the telescopic member (172) further comprises a stopper (1723), the stopper (1723) is connected to an outer side of the protruding member (1721), and a side of the stopper (1723) near the hook body (110) is connected to an end of the return spring (1722).

12. The latch assembly of claim 7, wherein said hook body (110) includes a mounting portion (112) and a carrying portion (114) connected thereto, said driving member (170) being connected to said mounting portion (112), said flap (130) and said movable hook (150) being rotatably connected to said carrying portion (114).

13. The hooking lock device according to claim 12, characterized in that the mounting portion (112) is provided with a mounting groove (1121), the mounting groove (1121) being adapted to receive the driving member (170).

14. A movable platform comprising a hooking means according to any one of claims 1 to 13.

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