TWM591575U - Structure of button type fixed safety hook - Google Patents

Abstract

A button-type fixed safety hook structure includes: a hook, a connecting rod, an elastic element and a locking sleeve, wherein the connecting rod cooperates with the locking sleeve to have a normal locking state and a rotation unlocking state The use effect can also use the button to fix the locking sleeve to form the normal unlocked state. Therefore, when the hook is used safely to ensure the use of the normal locked state, the purpose of avoiding accidental touch and opening can be achieved. On the contrary, when the hook is intended to be used in When quick release is required, it can be adjusted to the normal unlocked state by pressing the button, allowing the user to quickly and easily achieve the purpose of opening the hook with one hand, so that the user can take tools and items from the hook. Helps to improve the practicality and convenience of using the hook structure, and increase consumers' willingness to buy.

Description

Button type fixed safety hook structure

This creation is about a safety hook, especially a button-type fixed safety hook structure.

In daily life or work, the use of safety hooks is often seen, such as climbing, climbing, building construction and other environments that require lifting. The use of safety hooks can ensure the safety of personnel. When the safety hook is used, it is mainly to connect people or objects to the fixed point through the rope, thereby preventing people or objects from being accidentally lost, they can be fixed by the rope through the safety hook. Therefore, under the consideration of safety, a safety hook is usually provided with a locking mechanism. When the locking mechanism is opened, the rope can be placed into the opening of the safety hook, and then the connecting objects such as steel cables and chains can be inserted to achieve the connection, Extension, or fixed use; on the other hand, when you want to release the connection, then open the lock mechanism to remove the steel cable, chain and other connected objects.

However, today's safety hooks with a locking mechanism, although the locking mechanism can be unlocked with one hand, it still needs to be twisted or slipped to unlock when unlocking. When using it in a place that needs quick release, take it Items or use will still cause great inconvenience, and the safety hook without a locking mechanism is easy to form an open state due to accidental touch, lacking security, with the above lack, it is not difficult to find that the conventional safety hook cannot be safe To ensure the use state of the quick-release effect, we must purchase a safety hook structure with different functions for each use mode, which greatly increases the user The cost of purchase is really necessary for improvement.

In view of this, the creator has many years of experience in manufacturing development and design of related products. In view of the above goals, after detailed design and prudent evaluation, the final creation is indeed practical.

The technical problem to be solved by this creation is to provide a structure of a button-type fixed safety hook in response to the above-mentioned deficiencies in the prior art.

The above structure includes: a hook, a connecting rod, an elastic element and a locking sleeve. The hook is a C-shaped body and forms a buckle opening, and one end of the buckle opening is a pivot portion and the other end The part is a bearing part; the connecting rod is combined with the buckle opening of the hook, and has a set of connecting parts and an abutting part. The connecting rod is composed of the connecting part and a spring part and the pivotal connecting part of the hook Set up, and use a shaft bolt to penetrate the pivoting part and the assembly part, so that the connecting rod can use the shaft bolt as the axis to displace into the hook to form the open state of the buckle opening, and another spring through The spring return of the piece forms the closed state of the buckle opening, the length of the shaft bolt is greater than the diameter width of the joint part, one end forms a large end, and the shaft bolt is sleeved between the large head end and the outer diameter of the joint part The other end of the shaft bolt passes through the assembly part and a small end is fixed outside, so that the shaft bolt can be pressed and displaced and rebound and reset. The outer diameter of the abutment part is greater than the assembly part has a A clamping step part, the clamping step part is provided with a first positioning hole toward the assembly part, and the abutment part is provided with an internal concave abutment groove; the elastic element is sleeved outside the connecting rod and abuts against In the abutting portion, the elastic element has a first positioning end and a second positioning end, and the first positioning end is inserted through the first positioning hole; the locking sleeve is rotatably sleeved on the connecting rod Outside the elastic element, the inner diameter of the locking sleeve faces the abutting portion of the connecting rod to form an engaging step, the engaging step is provided with a second positioning hole The second positioning end of the elastic element is inserted through and fixed, and the elastic element is limited between the latching step and the engaging step, and then the spring element is used to achieve the rebound reset after the rotation of the locking sleeve, and further provides The locking sleeve has the effect of pulling down and rebounding, and one end of the locking sleeve corresponds to the assembly part with a first stop part and a second stop part, and the other end corresponds to a snap-off groove of the abutment part An unlocking opening, the first stop portion is preset to abut against the large end through the elastic compression of the elastic element, and the second stop portion is preset to abut against the small end, and the unlocking opening is biased toward the connection The side of the lever is staggered with the locking groove to form a locked state. When the locking sleeve rotates to move the unlocking opening to face the locking groove, the first and second stop portions reversely abut the small head end and The large head end, wherein a locking groove is further provided adjacent to the reverse side of the first stop portion to provide a stop for the small head end lock, and a reverse side adjacent to the second stop portion is further provided with a The positioning groove provides the retracted positioning after the big end is pressed, so that the locking sleeve cannot rebound and form the normally open state.

Preferably, between the first and second stop portions of the locking sleeve, there is a communication slot corresponding to the position of the unlocking opening, and when the unlocking opening communicates with the locking groove face, the communication slot will be simultaneously Align with the pivotal connection portion of the hook to allow the pivotal connection portion to pass through and limit the rebound reset of the locking sleeve.

Compared with the effect of the previous technology: the connecting rod of this creation is equipped with a locking sleeve to have a normal locking state and a rotational unlocking state, and the locking sleeve is closer to the reverse of the first and second stop parts, respectively A locking groove and a positioning groove are provided on the side, and then through the telescopic displacement of the shaft bolt, and the application of the large end and the small end at the two ends of the shaft bolt, the locking sleeve can also be pressed by the button of the big end In this way, the position of the locking sleeve is fixed to form a normal unlocked state. Therefore, when the hook is securely used, the normal locked state can be used to avoid the accidental opening of the touch. On the contrary, when the hook is to be used in occasions requiring quick release When Adjust the hook to the normal unlocked state, allowing users to quickly and easily achieve the purpose of opening the hook with one hand, so that the user can take tools and items from the hook, thereby helping to improve the practicality of the hook structure And convenience, increase consumers' willingness to buy.

10‧‧‧Hook

11‧‧‧Snap opening

12‧‧‧Pivot Department

13‧‧‧Receiving Department

20‧‧‧Connecting rod

21‧‧‧Assembly Department

22‧‧‧Abutment Department

221‧‧‧Card Order Department

222‧‧‧First positioning hole

223‧‧‧Card slot

23‧‧‧Spring

231‧‧‧Spring jack

24‧‧‧shaft bolt

241‧‧‧Big end

242‧‧‧Elastic parts

243‧‧‧small end

30‧‧‧Elastic element

31‧‧‧First positioning end

32‧‧‧Second positioning end

40‧‧‧Lock sleeve

41‧‧‧Embedding step

411‧‧‧Second positioning hole

42‧‧‧First stop

43‧‧‧Second stop

44‧‧‧Unlock the opening

45‧‧‧Snap groove

46‧‧‧Locating groove

47‧‧‧Connecting slot

Picture 1: It is a perspective drawing of this creation.

Figure 2: This is an exploded view of this creation.

Figure 3: This is a combined cross-sectional view of this creation.

Figure 4: This is a perspective view of the unlocked state of the rotation lock sleeve of this creation.

Figure 5: This is a cross-sectional view of the unlocked state of the rotation lock sleeve of this creation.

Figure 6: Another angled cross-sectional view of the unlocked state of the rotation lock sleeve of this creation

Figure 7: This is a cross-sectional view of the open state of the buckle opening formed by pressing the connecting rod of this creation.

Figure 8: It is an action sectional view of another use state of the creation (1).

Figure 9: It is an action cross-sectional view of another use state of this creation (2).

Figure 10 is a perspective view of another use state of the creation.

Fig. 11 is a cross-sectional view of the opening state of the buckle opening formed by pressing the connecting rod in another use state of the creation.

In order to enable your reviewing committee to have a better understanding and understanding of the purpose, features and functions of this creation, the following is please cooperate with the [schematic description] details as follows: first, please refer to the first, second, and third figures Show, a button-type fixed safety hook structure, It includes: a hook 10, a connecting rod 20, an elastic element 30 and a locking sleeve 40, the hook 10 is a C-shaped body and forms a snap opening 11, and one end of the snap opening 11 is a The pivoting portion 12, the other end of which is a bearing portion 13, the connecting rod 20 is combined with the buckle opening 11 of the hook 10, has a set of connecting portions 21 and an abutting portion 22, the connecting rod 20 is formed by The assembly portion 21 is configured with a spring member 23 and a spring rod 231 supporting the spring member and the pivot portion 12 of the hook 10, and a pivot bolt 24 is used to bolt the pivot portion 12 and the assembly portion 21 , So that the connecting rod 20 can be displaced to the inside of the hook 10 using the shaft pin 24 as the axis to form the open state of the buckle opening 11, and when being relaxed, the spring member 23 rebounds and resets to form the closed state of the buckle opening 11 The length of the shaft bolt 24 is greater than the diameter and width of the assembly portion 21 and can be telescopically displaced. One end forms a large end 241, and an elastic member is sleeved between the large end 241 of the shaft bolt 24 and the outer diameter of the assembly portion 21 242, and the other end of the shaft bolt 24 passes through the assembly portion 21 and is fixed with a small end 243, so that the shaft bolt 24 can be pressed and displaced and rebound and reset, the outer diameter of the abutment portion 22 is larger than the group The connecting portion 21 has a locking step portion 221, the locking step portion 221 is provided with a first positioning hole 222 toward the connecting portion 21, and the abutting portion 22 is provided with a concave locking groove 223 outwardly, the The elastic element 30 is sleeved outside the connecting rod 20 and abuts against the abutting portion 22. The elastic element 30 has a first positioning end 31 and a second positioning end 32, and the first positioning end 31 is inserted through the first A positioning hole 222, the locking sleeve 40 is rotatably sleeved outside the connecting rod 20 and the elastic element 30, the inner diameter of the locking sleeve 40 faces the abutment portion 22 of the connecting rod 20 to form a snap fit The step portion 41 is provided with a second positioning hole 411 for inserting and fixing the second positioning end 32 of the elastic element 30 and restricting the elastic element 30 to the locking step portion 221 and the locking step Between the parts 41, and then through the elastic element 30, the rebound reset of the locking sleeve 40 is achieved, and the locking sleeve 40 has a rebound effect, and one end of the locking sleeve 40 corresponds to the assembly part 21. A blocking portion 42 and a second blocking portion 43, an unlocking opening 44 is provided at the other end corresponding to the locking groove 223 of the abutting portion 22, and the first blocking portion 42 is preset to abut the The large end 241, and the second stopper 43 is preset to abut the small end 243, and at the same time, the unlocking opening 44 is biased to the side of the connecting rod 20 and the locking groove 223 is staggered to form a locked state, and is adjacent to the A locking groove 45 is further provided on the opposite side of the first blocking portion 42 to provide a locking limit for the small end 243, and a positioning groove is further provided adjacent to the opposite side of the second blocking portion 43 46. Provide the retracted positioning of the big end 241 after being pressed, and a communication section 47 is provided between the first and second stop portions 42 and 43 of the locking sleeve corresponding to the position of the unlocking opening 44.

For the composition of the structure, please refer to FIGS. 1, 2, and 3 again. The elastic element 30 is sleeved on the connecting rod 20 and engages with the latching step portion 221 of the abutment portion 22, and positions the first position. The end 31 is inserted into the first positioning hole 222, and then the locking sleeve 40 is assembled from the connecting portion 21 upward to the connecting rod 20, and the clamping step 41 is pressed against the elastic element 30 At the other end, the second positioning end 32 of the elastic element 30 is inserted into the second positioning hole 411, thereby limiting the elastic element 30 between the latching step portion 221 and the engaging step portion 41. When the connecting rod 20 is set in the buckle opening 11 of the hook 10, the locking sleeve 40 is first rotated to compress the elastic element 30, and at the same time, the unlocking opening 44 is communicated with the locking groove 223, and then the The connecting portion 21 of the connecting rod 20 is combined with a spring member 23 and a spring rod 231 to be assembled on the pivoting portion 12, and a pivot 24 is passed through the connecting portion 21 and the pivoting portion 12 to form a pivoted state. Furthermore, the abutting portion 22 of the connecting rod 20 is pivoted toward the abutting portion 13 of the hook 10 via the spring jack 231, and the abutting portion 13 is caught in the locking groove 223 through the unlocking opening 44 and After the lock sleeve 40 is relaxed, the elastic element 30 rebounds and resets, so that the first stop portion 42 is preset to abut the large end 241, and the second stop portion 43 is preset to abut the small end At the same time, the unlocking opening 44 is biased toward the side of the connecting rod 20 and deviated from the locking groove 223 to form a locked state. With the above structure, a button-type fixed safety hook structure is completed.

For the actual use of the structure, please refer to Figures 4, 5, 6, and 7. As the structure of the hook 10 is used, the locking sleeve 40 is first turned so that the unlocking opening 44 faces the locking groove 223. Connected to form an unlocked state, and the first stop portion 42 reversely abuts against the small end 243 of the bolt 24, and the second stop portion 43 reversely abuts against the large end 241 of the bolt 24, Furthermore, the rotation range of the locking sleeve 40 is restricted, and at the same time, the communication groove 47 will be aligned with the pivotal portion 12 of the hook 10 at this time, so that the connecting rod 20 can be pressed into the hook 10, Further, the buckle opening 11 is opened to achieve the purpose of the configuration and use of the hook 10, and when the connecting rod 20 is unlocked and opened, the pivotal portion 12 will pass through the communication slot 47 at the same time, and abut against the through the slot 47 The pivoting portion 12 restricts the spring back of the locking sleeve 40 to ensure the open state of the locking groove 223; on the contrary, when the connecting rod 20 is loosened, refer to Figures 1 and 3 at the same time, and then compressed back through the spring member 23 Then, the connecting rod 20 swings and resets the abutting portion 22 in the direction of the bearing portion 13 with the pivot 24 as the axis, and then the locking groove 223 and the bearing portion 13 are locked and positioned, and the lock After the communication groove 47 of the sleeve 40 is separated from the pivoting portion 12, it will be rebounded by the elastic element 30 to rotate and reset, so that the unlocking opening 44 and the locking groove 223 form a staggered locked state to prevent the connecting rod 20 is pushed open to ensure the safety of the hook 10 when the structure is locked.

For another use state of its structure, please refer to the figures 8, 9, 10, 111, when the lock sleeve 40 is turned to form an unlocked state, the first and second stop portions 42, 43 are reversed respectively Abut against the small end 243 and the large end 241, and then press the large end 241 and lower than the positioning groove 46, then the locking sleeve 40 can be further pulled down in the direction of the pivoting portion 12, so that the The big end 241 is limited in the positioning groove 46, and at the same time, the big end 241 is stretched and pressed against the inner wall of the positioning groove 46 through the elastic member 242, and the small end 243 is also embedded in the locking groove 45 In this way, the positioning of the locking sleeve 40 is restricted and cannot be rebounded, forming an unlocked normally open state of the connecting rod 20, so as to facilitate release The locked state of the hook 10 enhances the ease of use of the structure; on the contrary, when the normally open state of the connecting rod 20 is to be released, the locking sleeve 40 is pushed toward the abutment portion 22 and the positioning groove 46 is disengaged The large end 241 of the shaft bolt 24, at this time, the locking sleeve 40 not only rises and rebounds due to the elastic element 30, but also allows the small end 243 to disengage from the detent groove 45, and is rotated and reset by the elastic element 30, The unlocking opening 44 of the locking sleeve 40 and the locking groove 223 form a staggered locked state, and after the large end 241 is detached from the positioning groove 46, the elastic member 242 rebounds and protrudes and is higher than the The groove 46 is positioned so as to return to the locked normally closed state.

With the structure of the above specific embodiment, the following benefits can be obtained: the connecting rod 20 of the present invention is equipped with a locking sleeve 40 to have a normal locking state and a rotation unlocking state, and the locking sleeve 40 is more separately A locking groove 45 and a positioning groove 46 are provided adjacent to the opposite sides of the first and second stop portions 42 and 43, and then through the telescopically displaceable shaft bolt 24, and both ends of the shaft bolt 24 are provided with large end ends The application of 241 and the small end 243 allows the locking sleeve 40 to fix the position of the locking sleeve 40 through the button pressing method of the large end 241 to form a normal unlocked state. Therefore, when the hook 10 is securely used, The normal locking state can be used to avoid the accidental opening of the touch. On the contrary, when the hook 10 is intended to be used in occasions requiring quick release, it can be adjusted to the normal unlocking state, allowing the user to quickly and easily achieve the opening of the hook with one hand The purpose of 10 is to facilitate users to take tools and articles from the hook 10, thereby helping to improve the practicality and convenience of the structure of the hook 10, and increase consumers' willingness to purchase.

In summary, this creation has indeed reached a breakthrough structural design, and it has improved creative content, and at the same time it can achieve industrial utility and progress. Moreover, this creation has not been seen in any publications, and it is also novel. In line with the provisions of the relevant laws and regulations of the Patent Law, I filed an application for a creative patent in accordance with the law, and urged the examiner of the Jun Bureau to grant legal patent rights.

The above is only one of the preferred embodiments of this creation, and it should not be used to limit the scope of the implementation of this creation; that is, any equal changes and modifications made in accordance with the scope of the patent application of this creation should still belong to this creation Within the scope of the patent.

10‧‧‧Hook

11‧‧‧Snap opening

12‧‧‧Pivot Department

13‧‧‧Receiving Department

20‧‧‧Connecting rod

21‧‧‧Assembly Department

22‧‧‧Abutment Department

221‧‧‧Card Order Department

222‧‧‧First positioning hole

223‧‧‧Card slot

23‧‧‧Spring

231‧‧‧Spring jack

24‧‧‧shaft bolt

241‧‧‧Big end

242‧‧‧Elastic parts

243‧‧‧small end

30‧‧‧Elastic element

31‧‧‧First positioning end

32‧‧‧Second positioning end

40‧‧‧Lock sleeve

41‧‧‧Embedding step

411‧‧‧Second positioning hole

42‧‧‧First stop

43‧‧‧Second stop

44‧‧‧Unlock the opening

45‧‧‧Snap groove

46‧‧‧Locating groove

47‧‧‧Connecting slot

Claims (2)

A button-type fixed safety hook structure includes: a hook, which is a C-shaped body and forms a buckle opening, and one end of the buckle opening is a pivoting portion, and the other end is a bearing portion; A connecting rod, combined with the buckle opening of the hook, has a set of connecting parts and an abutting part, the connecting rod is formed by the connecting part and a spring member and the pivotal connecting part of the hook, and uses a shaft bolt The pivoting part and the assembly part are bolted through, so that the connecting rod can be displaced toward the inside of the hook using the pivot as the axis to form the open state of the buckle opening, and the card is rebounded and reset by the spring member when loosened to form the card In the closed state of the buckle opening, the length of the shaft bolt is greater than the diameter and width of the assembly part, one end of which forms a large end, the shaft bolt is sleeved with an elastic member between the large end and the outer diameter of the assembly part, and the shaft bolt At the other end, a small end is fixed out of the joint part, so that the shaft bolt can be pressed and displaced and rebounded and reset. The outer diameter of the abutment part is larger than that of the joint part and has a latch step. The card A first positioning hole is provided toward the assembly part of the step portion, and a concave locking groove is provided outwardly on the abutting portion; an elastic element is sleeved outside the connecting rod and abuts against the abutting portion, the The elastic element has a first positioning end and a second positioning end, and the first positioning end is inserted through the first positioning hole; a locking sleeve is rotatably sleeved on the connecting rod and the elastic element , The inner diameter of the locking sleeve faces the abutting portion of the connecting rod to form an engaging step portion, the engaging step portion is provided with a second positioning hole to provide insertion and fixing of the second positioning end of the elastic element, and make the elastic The element is limited between the locking step and the engaging step, and then the spring element is used to achieve the rebound reset after the rotation of the locking sleeve, and the locking sleeve has the effect of pulling down and rebound, and the locking sleeve One end is provided with a first stop portion and a second stop portion corresponding to the assembly portion, and the other end is provided with an unlocking opening corresponding to the clamping groove of the abutment portion, and the first stop is elastically compressed by the elastic element The part is preset against the big end, and the second stop part is preset against the little head At the same time, the unlocking opening is biased toward the side of the connecting rod and staggered with the locking groove to form a locked state. When the locking sleeve rotates to move the unlocking opening to face the locking groove, the first and second stop portions Then abut against the small head end and the large head end, wherein a latching groove is further provided adjacent to the reverse side of the first stop portion to provide a limit for the latching of the small head end, and adjacent to the second block The opposite side of the stop portion is further provided with a positioning groove to provide the retracted positioning after the big end is pressed, so that the locking sleeve cannot rebound and form the normally open state. According to the structure of the button-type fixed safety hook described in item 1 of the patent application scope, a communication slot is provided between the first and second stop portions of the locking sleeve corresponding to the position of the unlocking opening. When the clamping grooves communicate with each other, the communication groove will simultaneously align with the pivoting portion of the hook to allow the pivoting portion to pass through and limit the rebound reset of the locking sleeve.

Images