TWI795273B - Hook device - Google Patents

Abstract

The invention relates to an hook device. Primarily, a push rod is correspondingly pivoted at a hook, and the push rod can move and displace relative to the hook. When the hook doesn’t hang an object, the push rod is kept in a locked state, and after the hook hangs an object, the locking state of the push rod can be released. When the object is unloaded, after the gravity exerted on the hook disappears, the push rod in the unlocked state is pushed by an elastic force and displaced to cover an upper part of the hook, so as to prevent the hook from hooking the object rope. Accordingly, the protection mechanism of the push rod is used to effectively prevent the hook from hooking the goods after unhooking, so as to achieve the effect of automatic unhooking.

Description

hook device

The present invention relates to a hook device, especially a protection mechanism that prevents objects from being hooked back when the hook is unhooked, so as to achieve the effect of automatic unhooking and is the inventor of the application.

Press, the general hook is used to hang items for positioning, such as hanging ornaments, or hanging personal items on vehicles, or combining elastic ropes for binding and positioning...etc. The earliest hook is mainly provided with a hook hole in a hook body, and the hook body is provided with an opening in the middle of the hook hole. Handling, moving or positioning... etc., such as the hook on the crane. However, when these structures vibrate a little during the moving process, or when external force acts, the object to be hooked will fall, and there is a problem of insufficient safety.

Therefore, a safety hook has been developed. A spring is straddled on the inside of the opening of the hook body. One end of the spring is pivoted above the opening of the hook body with a pin. The pin is also positioned by a torsion spring so that one end of the torsion spring Butt against the hook body, and the other end pushes the spring, so that the spring The free end can be positioned against the inner side of the opening of the hook body, so as to form an elastic structure that can close the opening of the hook body in one direction; when the hooked object is to be inserted into the hook hole, it only needs to open the opening by pressing down the spring , that is, the object to be hooked can be put into the hook hole, and after the external force of the spring is released, the spring will be closed inside the opening with the restoring force of the torsion spring, so that when the object to be hooked wants to come out of the opening, the spring will limited by the item.

The above-mentioned hook structure can indeed protect the safety function of the hooked object from falling off. However, when using the drone to transport items, the use of the safety hook cannot allow the hooked object to be released at the designated destination; if the early hook is used, When the unmanned aerial vehicle arrives at the positioning and unwinds the sling and lowers the hooked object, let the hooked object touch the ground and detach from the opening of the hook body. Let the hook shake, and produce the hooked object that is released again by hooking back, so that the missing of unloading the hooked object cannot be achieved, and it is still insufficient in use. Therefore, there is a need for improvement.

The reason is that the inventor upholds the rich experience in design, development and actual production of this related industry for many years, develops and researches at the above-mentioned problems, and provides a kind of hook device in order to achieve the purpose of having better practical value.

The main purpose of the present invention is to provide a hook device, especially a protection mechanism that prevents the object from being hooked back when the hook is unhooked after the hook is unhooked, so as to achieve the effect of automatic unhooking.

The main purpose and effect of the automatic decoupling method of the present invention are achieved by the following specific technical means: It mainly pivots a push rod at the hook, and the push rod can move relative to the hook. When the hook is not hanging an object, the push rod remains locked. After the object is hung, the locking state of the push rod can be released, and when the object is unloaded, when the gravity applied to the hook disappears, the push rod in the unlocked state is pushed by elastic force and displaced to cover the above hook , to prevent the hook from reversing the object rope; thereby, the protection mechanism of the push rod is used to effectively prevent the unhooked hook from producing a rewinding and rehooking object, thereby achieving the effect of automatic decoupling.

The main purpose and effect of the hook device of the present invention are achieved by the following specific technical means: it mainly includes a casing, a body is arranged in the casing, a hook is installed on the body, and a push rod is pivotally arranged on the body and a pressure block, the push rod is located above the hook, and a first elastic member is provided between the push rod and the body, and a connecting rod is arranged between the push rod and the pressure block , and a second elastic member is provided between the pressure block and the body; thereby, the push rod can be pushed and displaced by the second elastic member in the unlocked state and covered above the hook, which can effectively prevent the hook from being unhooked. The hook produces the situation of rewinding and anti-hooking objects, and achieves the protective effect of automatic decoupling.

In a preferred embodiment of the hook device of the present invention, a hook portion is provided at one end of the push rod, and a catch portion is provided at the hook portion of the pressing block corresponding to the push rod. The pressing block allows the hook portion and the latch portion to engage with each other to lock the push rod.

In a preferred embodiment of the hook device of the present invention, one end of the locking part of the pressing block is provided with a pushing convex part, and the pushing convex part can correspond to the auxiliary pushing of the push rod, so that the hook part Interlock with the locking part.

In a preferred embodiment of the hook device of the present invention, the body is provided with a groove portion for the hook to be inserted and installed, and a cover is provided to close the groove portion to position the hook installed on the body.

In a preferred embodiment of the hook device of the present invention, the body is provided with a shaft, and the shaft is correspondingly bound with a sling, and an opening is provided in the outer shell for the sling to pass through.

1: Shell

11:Accommodating space

12: First opening

13: Second opening

14: Hole opening

2: Ontology

21: Hook

22: Upper pivot joint

23: Lower pivot joint

24: groove part

25: cover

26: axis

3: putter

31: Slotted hole

32: The first pivot hole

33: hook part

4: Briquetting

41: Second pivot hole

42:Catch part

43: Push convex part

5: Connecting rod group

6: The first elastic piece

7: The second elastic piece

8: Sling

9:Rope

10: Control unit

The first figure: a schematic diagram of the three-dimensional decomposition of the present invention

The second figure: a schematic diagram of the three-dimensional appearance of the present invention.

Figure 3: A schematic diagram of the three-dimensional appearance of the present invention from another angle.

The fourth figure: a schematic cross-sectional view of the present invention.

The fifth figure: a schematic diagram of the appearance of the locking state of the present invention.

Figure 6: a schematic cross-sectional view of the locking state of the present invention.

Figure 7: a schematic cross-sectional view of the unlocked state of the present invention.

Figure 8: A cross-sectional schematic diagram of the reset of the pressing block in the unlocked state of the present invention.

Figure 9: A schematic diagram of the push rod reset and automatic decoupling state of the present invention.

Figure 10: A schematic diagram of the appearance of the present invention applied to a drone.

In order to make the technical content used by the present invention, the purpose of the invention and the effects achieved therein more complete and clear disclosure, it will be described in detail below, and please refer to the disclosed drawings and figure numbers: First, the present invention For the actual application technology and means, please refer to the first to fourth figures, which are three-dimensional decomposition, appearance and cross-sectional schematic diagrams of the hook device of the present invention, which mainly include: a shell (1), which is provided with an accommodation space (11 ), two corresponding sides of the accommodating space (11) are respectively provided with first and second openings (12), (13) to communicate with the outside; a body (2) is correspondingly assembled on the outer shell (1) In the accommodating space (11), a hook (21) is installed on the body (2), and an upper pivot joint (22) is provided above, and a lower pivot joint (23) is provided below; a push rod (3 ), which is correspondingly pivoted on the upper pivot joint (22) of the body (2), and correspondingly located at the first opening (12) of the housing (1), one end of the push rod (3) is provided with The slotted hole (31) is used for the hook (21) to pass through, and a first pivot hole (32) is provided at the other end, and a hook portion (33) is provided on one side of the first pivot hole (32) a pressing block (4), which is correspondingly pivoted on the lower pivot joint (23) of the body (2), and correspondingly located at the second opening (13) of the housing (1), the pressing block (4) A second pivot hole (41) is provided, and a catch part (42) is provided at the hook part (33) corresponding to the push rod (3); a connecting rod group (5) is Correspondingly arranged between the first pivot hole (32) of the push rod (3) and the second pivot hole (41) of the pressure block (4); A first elastic member (6) is correspondingly arranged on the upper pivot joint (22) of the body (2), one end of which resists the push rod (3), and the other end resists the body ( 2); a second elastic member (7), which is correspondingly arranged on the lower pivot joint (23) of the body (2), one end of which resists the pressing block (4), and the other end resists the pressing block (4). Describe the ontology (2).

Please refer to Figures 1 to 10. When assembled and used, the system has three states that can be implemented. The description is as follows:

Embodiment 1: First, the hook (21) is installed on the body (2), and a groove portion (24) can be further provided on the body (2), and the groove portion (24) The hook (21) is placed and installed, and a cover (25) is provided to close the groove portion (24), so as to position and install the hook (21) on the body (2). Next, the push rod (3) is correspondingly sheathed on the first elastic member (6) and pivotally assembled at the upper pivot joint (22) of the body (2).

Implementation 2: It is a continuation of Embodiment 1. After the assembly of the hook (21), push rod (3) and first elastic member (6) in Embodiment 1 is completed, the two ends of the connecting rod group (5) correspond to the corresponding The first pivot hole (32) of the push rod (3) and the second pivot hole (41) of the pressure block (4) are pierced and assembled with a shaft so that the push rod (3) and the The briquetting blocks (4) are connected to each other; then the briquetting blocks (4) are correspondingly sheathed with the second elastic member (7) and are pivotally assembled at the lower pivot joint (23) of the body (2), thus, Let the hook (21) be correspondingly located at the slotted hole (31) of the push rod (3), and let one end of the first elastic member (6) be correspondingly locked on the push rod (3) , and the other end is positioned on the cover (25) of the body (2) correspondingly, and one end of the second elastic member (7) is pressed against the pressing block (4), while the other end is Locked on the body (2).

Implementation 3: It is a continuation of the assembly of Example 2, and a control unit (10) is further provided at the body (2) corresponding to the second elastic member (7), and the control unit (10) is controlled by the second elastic member (7). It is controlled by touching or disengaging of the elastic part (7).

Finally, regardless of the assembling state of implementation 1, 2 or 3, the assembled body (2) needs to be installed in the accommodation space (11) of the housing (1), and the push rod (3) can be opened through the first opening. (12) is exposed, and the pressure block (4) is exposed from the second opening (13).

Here, please refer to the tenth figure, for example, when the hook device of the present invention is used for unmanned aerial vehicles to transport goods, its actual use and operation state, please refer to the first to tenth figures, first, it is tied to the body (2 ) is provided with a shaft (26), and the shaft (26) is correspondingly bound with a sling (8), and an opening (14) is provided in the casing (1) for passing the sling (8). Suspension rope (8) is in order to link UAV reel. When the hook device of the present invention is not in use, the push rod (3) is in a free state, and is supported by the first elastic member (6) and is located above the hook (21) [as shown in the second to fourth figures Shown], when starting to use the hook device, in the state of Embodiment 1, the push rod (3) can be directly pressed by manpower to compress the first elastic member (6), so that the hook (21) can pass through the slotted hole ( 31) Pass through and reveal, and then allow the object rope (9) to be hung on the hook (21) for transportation.

In the second embodiment, when the hook (21) is not hanging an object, the push rod (3) can be driven through the pressing block (4) to maintain the locked state, and the part exposed by the slotted hole (31) The hook (21) [as shown in the fifth to sixth figures]; when the hook (21) hangs the object, it can push the push rod (3) to move through the gravity of the object, and release the The locked state of the push rod (3) [as shown in the seventh to eighth figures]; when the gravity applied to the hook (21) disappears, Let the push rod (3) in the unlocked state be pushed by elastic force and shifted to cover above the hook (21) [as shown in Figure 9], so as to prevent the hook (21) from hooking back the object and achieve the protection mechanism of automatic unhook .

Further detailing the use and operation mode of the hook device of the present invention (illustrated in Example 3), there are four main operating states of use when not in use, before the object to be hung, when the object is hung and when the object is unloaded, as follows: When not in use - the push rod (3) and the pressure block (4) are in a free state, but the push rod (3) is supported by the first elastic member (6) so that it is positioned on the The upper part of the hook (21) is blocked, and the second elastic member (7) of the corresponding pivot group of the pressing block (4) at the lower pivot joint (23) is not in contact with the control unit (10) [such as the fourth As shown in the figure].

Before the object to be hung - keep the push rod (3) in the locked state, that is, the pressure block (4) is pushed upwards to link the connecting rod group (5) and drive the push rod (3) to Rotate and displace at an appropriate angle so that part of the length of the hook (21) is exposed from the slotted hole (31), and the locking part (42) of the pressing block (4) corresponds to the push The hook parts (33) of the rod (3) engage with each other to lock the push rod (3); when the push rod (3) is locked, the first and second elastic members (6), (7) ) are in a compressed state, and one end of the second elastic member (7) opposite to the body is in contact with the control unit (10), forming a closed loop; further, the first and second elastic members (6) , (7) torsion spring can be selected for use, and the exposed described hook (21) length can conveniently hook the object rope (9) when hanging the object [as shown in the fifth to sixth figures].

When hanging the object - when the hook (21) hooks the object rope (9) and the drone flies upwards, the rope (9) moves to the bottom of the hook (21) through the weight of the object, so that Push the push rod (3) and rotate it downwards to displace it. At this time, let the hook part (42) of the pressure block (4) and the hook part (33) of the push rod (3) separate from each other , so that the push rod (3) and the pressure block (4) are released and unlocked respectively, and the push rod (3) in the unlocked state is also pressed down under the influence of the gravity of the object; but the push rod released by unlocking The rod (3) has not been reset, and the state of compressing the first elastic member (6) is maintained due to the gravity of the object. Relatively, the pressure block (4) is affected by the push rod (3) and the connecting rod (3). The pinning of the lever group (5) is in the unlocked state, but it still continues to compress the second elastic member (7), so that the second elastic member (7) and the control unit (10) maintain a closed loop contact[ As shown in the seventh to eighth pictures].

Unloading the object - when the drone reaches the fixed point, hang in the air and release the sling (8) by the reel, and the gravity of the object applied to the hook (21) disappears after the object touches the ground. At this time, through the first The elastic force of an elastic part (6) resets, and drives described push rod (3) reset, makes its described push rod (3) push object rope (9) away from hook, and blocks above described hook (21) [As shown in Figure 9], at the same time, because the push rod (3) is released and resets and links the connecting rod group (5) and the pressing block (4), the pressing block (4) The second elastic member (7) elastically resets, and breaks away from the contact state with the control unit (10), forming an open circuit, and this open circuit signal can be used as a trigger to control the reel of the UAV to retract the sling (8) The signal is like this, when the unmanned aerial vehicle is unloaded and the sling (8) is rolled up, the hook (21) will not hook the object rope (9) again; thereby, the protection mechanism of the push rod (3) is used to effectively Prevent the hook (21) after the decoupling from producing the situation of the rewinding and anti-hooking object, and reach the effect of automatic decoupling.

Further, one end of the clamping portion (42) of the pressing block (4) is provided with a pushing convex portion (43), and the pushing convex portion (43) can correspond to the auxiliary push rod (3), so that The hook portion (33) and the latch portion (42) are more conveniently and smoothly engaged with each other.

However, the aforementioned embodiments or drawings do not limit the product structure or usage of the present invention, and any appropriate changes or modifications by those with ordinary knowledge in the technical field shall be considered as not departing from the patent scope of the present invention.

According to the above, the composition and operation description of the system of the present invention shows that the present invention has the following advantages compared with the existing structure: the hook device of the present invention, after the object is released to the ground, the mechanism of automatic decoupling, in the After the gravity applied to the hook disappears, the hook immediately bounces off the push rod through the force of the torsion spring, allowing the push rod to block the hook after unhooking, forming a protective mechanism to effectively ensure that the hook will not hook back to the object when it is retracted.

To sum up, the embodiment of the present invention can indeed achieve the expected use effect, and the specific structure disclosed by it has not only never been seen in similar products, nor has it been disclosed before the application, and it has fully complied with the provisions of the Patent Law In accordance with the requirements, it is very convenient to file an application for a patent for invention in accordance with the law, and sincerely ask for the review and approval of the patent.

1: Shell

11:Accommodating space

12: First opening

13: Second opening

14: Hole opening

2: Ontology

21: Hook

22: Upper pivot joint

23: Lower pivot joint

24: groove part

25: cover

3: putter

31: Slotted hole

32: The first pivot hole

33: hook part

4: Briquetting

41: Second pivot hole

42:Catch part

43: Push convex part

5: Connecting rod group

6: The first elastic piece

7: The second elastic piece

8: Sling

Claims (9)

A hook device, which mainly includes: a shell, which is provided with an accommodation space inside, and one side of the accommodation space is provided with a first opening to communicate with the outside; a body, which is correspondingly arranged in the accommodation of the shell In the space, a hook is installed on the body, and an upper pivot joint is arranged above; a push rod is correspondingly pivoted on the upper pivot joint of the body, and is correspondingly located at the first opening of the shell, One end of the push rod is provided with a slotted hole for the hook to pass through; a first elastic member is correspondingly arranged on the upper pivot joint of the body, one end of which is resisted by the push rod, and the other end is resisted by the push rod. on the body; wherein when the push rod is pressed, the first elastic member is compressed, so that the hook is exposed through the slotted hole, and a gravity can be exerted on the hook; when applied on the After the gravity on the hook disappears, the push rod is pushed back by the elastic force of the first elastic member and is blocked above the hook. As the hook device described in item 1 of the scope of the patent application, wherein the main body is provided with a groove portion for the hook to be inserted and installed, and a cover is provided to close the groove portion, so that the The hook is positioned and installed on the body. As for the hook device described in item 1 of the scope of the patent application, wherein the body is provided with a shaft, and the shaft is correspondingly bound with a sling, and an opening is provided in the casing for the sling to pass through. A hook device, which mainly includes: a shell with an accommodating space inside, and first and second openings are respectively provided on two corresponding sides of the accommodating space to communicate with the outside; a body is correspondingly arranged on the said accommodating space In the accommodating space of the shell, a hook is installed on the body, and an upper pivotal portion is provided above, and a lower pivotal portion is provided below; a push rod is correspondingly pivoted on the upper pivotal portion of the body, And correspondingly located at the first opening of the housing, one end of the push rod is provided with a slotted hole for the hook to pass through, and the other end is provided with a first pivot hole, and one side of the first pivot hole is provided There is a hook part; a pressing block is correspondingly pivoted on the lower pivot joint of the body, and is correspondingly located at the second opening of the housing, and the pressing block is provided with a second pivot hole, and is corresponding to the second opening of the shell. The hook part of the push rod is provided with a catch part; a connecting rod group is correspondingly arranged between the first pivot hole of the push rod and the second pivot hole of the pressure block; The first elastic piece is correspondingly arranged on the upper pivot joint of the body, one end of which is pressed against the push rod, and the other end is pressed against the said body; a second elastic piece is correspondingly arranged on the body One end of the lower pivot joint part is pressed against the pressing block, and the other end is pressed against the body; where the locking part of the pressing block and the hooking part of the push rod are mutually locked, so that the The push rod remains in the locked state, and the slotted hole exposes part of the hook; when the gravity is applied to the hook, the hook part of the push rod is separated from the catch part to release the push rod. the locked state of the lever; when applied on the hook After the upper gravity disappears, the push rod is pushed back by the elastic force of the first elastic member and covered above the hook, and at the same time, the push rod links the connecting rod group and the pressure block, and then The elastic force of the second elastic member allows the pressure block to reset and disengage. The hook device as described in item 4 of the scope of the patent application, wherein a control unit is further provided on the body corresponding to the second elastic member, and the control unit is in contact with or separated from one end of the second elastic member to form control signal. The hook device as described in item 4 of the scope of the patent application, wherein the body is provided with a groove portion for the hook to be inserted and installed, and a cover is provided to close the groove portion, so that the The hook is positioned and installed on the body. As the hook device described in item 4 of the patent scope of the application, a push-up convex portion is provided at one end of the catch portion of the pressure block, and the push-push convex portion can correspond to the auxiliary push-stop described push rod, so that the The hook portion and the latch portion engage with each other. The hook device as described in item 4 of the scope of the patent application, wherein the body is provided with a shaft, and the shaft is correspondingly bound with a sling, and an opening is provided in the outer shell for the sling to pass through. The hook device as described in any one of items 4 to 8 of the scope of the patent application, wherein the first and second elastic members are further selected from torsion springs.

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