CN219638623U - A multi-link safety lock - Google Patents

Abstract

The utility model discloses a multi-connected safety lock, which comprises two first lock handles and second lock handles with the same shape and structure; and the first lock handle and the second lock handle are provided with corresponding lock holes; and the first lock handle is also equipped with a first lock ring at its front end, and the second lock handle is correspondingly installed with a second lock ring at its front end. lock ring. In this device, after the two lock rings are rotated inwardly, the docking lock rings on both sides are butted to form an integral circular lock, and the locking can be completed, and then a lock can be installed in each overlapping corresponding lock hole. Many people are needed to open the lock. With the structure of this device, the front-end docking lock blocks are directly docked and locked, not overlapped, so it is difficult to be opened by external force, and the overall structure is more reasonable and firm.

Description

A multi-link safety lock

technical field

The utility model relates to technical equipment such as locks and locksets in the field of safety technology, in particular to a multi-connected safety lock.

Background technique

In the prior art, for example, safe warehouses for dangerous chemicals, laboratories for dangerous test items, and medicine cabinets for easy-to-make drugs and explosives, etc., all require at least two supervisors to manage together. Therefore The locks in these areas need to be guarded by multi-link safety locks, and at least two managers need to unlock the locks together to open the locks.

For example: the patent document of the authorized announcement number CN 204332258 U discloses "a multi-person joint defense locking hangout". It can be locked accordingly, and a lockset can be hung on each keyhole to realize multi-person joint defense locking.

In this technical solution, the design of the front locking hook is similar to that of a scissors mechanism, and the locking hooks at the front end need to be overlapped together to achieve locking. The above-mentioned structure is actually not firm in actual use, because the locking hooks at the front end overlap very quickly. It is easy to destroy it by external force and it is not safe to use.

Therefore, in order to solve the above-mentioned problems, it is necessary to develop a multi-link safety lock that is very firm after locking and can bounce off the lock when it is opened.

Utility model content

The purpose of this utility model is to provide a multi-connected safety lock for the deficiencies in the prior art; its technical scheme is as follows:

A multi-link safety buckle, including two first lock handles and second lock handles with the same shape and structure; the first lock handle and the second lock handle are hingedly installed in one body through a hinge assembly at the front end; and the second Both the first lock handle and the second lock handle are provided with corresponding lock holes; and the first lock handle is equipped with a first lock ring at its front end, and the second lock handle is correspondingly equipped with a second lock ring at its front end.

Both the first lock ring and the second lock ring are arranged in a semicircular structure, and the positions of the two lock rings correspond to each other, and the front ends of the two lock rings are all arranged as docking lock rings whose thickness gradually increases. After the ring and the second lock ring are rotated inwardly, the docking lock rings on both sides are butted tightly, so that the first lock ring and the second lock ring form an integral circular lock, while the first lock handle and the second lock handle The positions of the lock holes on the lock overlap, and a lockset can be installed correspondingly on each overlap lock hole.

Further, the thickness of the docking lock ring is set to be twice the thickness of the first lock ring and the second lock ring.

Further, the docking lock ring at the front end of the first lock ring is also provided with an arc-shaped lock groove concave inward, while the docking lock ring end at the front end of the second lock ring is correspondingly provided with a forward protrusion When the first lock ring and the second lock ring rotate inward, the arc lock bar is correspondingly inserted into the arc lock groove.

Further, there are at least two arc-shaped lock grooves in the docking lock ring; the number of arc-shaped lock bars is set accordingly.

Further, the first lock handle and the second lock handle are respectively provided with five lock holes, and both the first lock handle and the second lock handle are arranged in a square lock handle structure.

Further, the length of the arc-shaped lock groove is set to be longer than the length of the arc-shaped lock bar, and a spring element is installed in the arc-shaped lock groove, and a top block is installed on the end of the spring element. The block is arranged in the arc-shaped lock groove, and when the arc-shaped lock bar is inserted into the arc-shaped lock groove, the arc-shaped lock bar is correspondingly pressed against the top block.

Further, the top block is set in an arc-shaped structure, and can slide correspondingly in the arc-shaped lock groove; the contour shapes of the arc-shaped lock groove and the arc-shaped lock bar are both set to match the contour shape of the circular lock buckle unanimous.

Beneficial effects: the utility model has the following beneficial effects:

1) As shown in Figure 2 and Figure 4, this device is different from the previous locking mechanism. The two lock rings at the front end of this device are not designed to overlap, but are designed to be thicker by increasing the thickness at the front end of the lock ring The size of the butt lock rings on both sides is the same, and the first lock ring and the second lock ring are designed to be semicircular. After the two lock rings are rotated inward, the butt lock rings on both sides are butted into a An integral circular lock can complete the locking, and then install a lock in each overlapping corresponding lock hole. It takes more than one person to open the lock. With this structure of the device, the docking lock block at the front It is directly docked and locked, not overlapped, so it is difficult to be opened by external force, and the overall structure is more reasonable and firm;

2) As shown in Figure 2 and Figure 3, the design of the docking lock ring of this device is not only for docking locking, but also creates a design space for the subsequent arc-shaped lock groove and arc-shaped lock bar; the docking lock ring is equipped with an arc-shaped lock After the groove and the arc-shaped lock bar, in the subsequent locking process, the arc-shaped lock bar is inserted into the arc-shaped lock slot correspondingly. After this design, the overall lock is more difficult to be opened, further increasing the locking force of the lock. firmness;

3) As shown in Figure 5, the device also designs a spring piece and a top block in the arc-shaped lock groove, supports the top block through the spring piece, and sets the length of the arc-shaped lock groove to be larger accordingly. After this design, When the arc-shaped lock bar is inserted, the arc-shaped lock bar presses the top block inward. After locking, the top block is always upward against the arc-shaped lock bar, and there will be no swaying; and when the lock is opened , the top block will push the arc-shaped lock bar upwards, and the lock buckle will automatically pop open. The structural design is very ingenious and reasonable, and it is easy to use.

Description of drawings

Fig. 1 is a structural diagram of the utility model;

Fig. 2 is the structural diagram of arc-shaped lock groove and arc-shaped lock bar in the utility model;

Fig. 3 is a locking structure diagram of the utility model;

Fig. 4 is A direction view in Fig. 3;

Fig. 5 is a diagram of the installation structure of the spring member and the top block in the utility model.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment, further clarifies the utility model, and this embodiment implements under the premise of the technical solution of the utility model, and it should be understood that these examples are only used to illustrate the utility model and are not intended to limit the utility model range.

As shown in Figures 1 to 5, a multi-link safety lock includes two first lock handles 1 and second lock handles 2 with the same shape and structure; the first lock handle 1 and the second lock handle 2 are at the front end It is hinged and installed as a whole through the hinge assembly 3; and the first lock handle 1 and the second lock handle 2 are provided with corresponding lock holes 4; and the first lock handle 1 is also equipped with a first lock ring 11 at its front end, A second lock ring 21 is correspondingly installed on the front end of the second lock handle 2 .

The first lock ring 11 and the second lock ring 21 are all set to a semicircular structure, the positions of the two lock rings are corresponding, and the front ends of the two lock rings are all set to the docking lock ring 5 whose thickness gradually increases, the first lock ring After the ring 11 and the second lock ring 21 are rotated inwardly, the docking lock rings 5 on both sides are butted tightly, so that the first lock ring 11 and the second lock ring 21 form an integral circular lock, and the first lock handle 1 and the lock holes 4 on the second lock handle 2 overlap each other, and each overlapping lock hole 4 can be equipped with a corresponding lock.

The thickness of the docking lock ring 5 is set to be twice the thickness of the first lock ring 11 and the second lock ring 21 .

As shown in Figure 1 and Figure 4, this device is different from the previous locking mechanism. The two lock rings at the front end of this device are not designed to overlap, but are designed to be thicker by increasing the thickness at the front end of the lock ring. Lock ring, the size of the docking lock rings on both sides is the same, and the first lock ring and the second lock ring are designed as a semicircle. After the two lock rings are rotated inward, the docking lock rings on both sides are butted into a whole The circular lock can be used to complete the locking, and then a lock can be installed in each overlapping corresponding lock hole. It takes more than one person to open the lock. With this structure of the device, the docking lock block at the front is directly Butt locked, not overlapping, so it is difficult to be broken and opened by external force, and the overall structure is more reasonable and firm.

The docking lock ring 5 at the front end of the first lock ring 11 is also provided with an arc-shaped lock groove 6 recessed inwardly, while the end of the docking lock ring 5 at the front end of the second lock ring 21 is correspondingly provided with an arc-shaped protrusion protruding forward. When the locking bar 7 , the first locking ring 11 and the second locking ring 21 rotate inward, the arc-shaped locking bar 7 is correspondingly inserted into the arc-shaped locking groove 6 .

There are at least two arc-shaped lock grooves 6 in the docking lock ring 5; the number of arc-shaped lock bars 7 is set accordingly.

The first lock handle 1 and the second lock handle 2 are respectively provided with five lock holes 4 , and both the first lock handle 1 and the second lock handle 2 are arranged in a square lock handle structure.

As shown in Figure 2 and Figure 3, the design of the docking lock ring of this device is not only for docking locking, but also creates a design space for the subsequent arc-shaped lock groove and arc-shaped lock bar; the docking lock ring is provided with arc-shaped lock grooves and After the arc-shaped lock bar, in the subsequent locking process, the arc-shaped lock bar is inserted into the arc-shaped lock slot correspondingly. After this design, the overall lock is more difficult to be opened, further increasing the firmness of the lock

The length of arc-shaped lock groove 6 is set greater than the length of arc-shaped lock bar 7, and spring element 8 is also installed in arc-shaped lock groove 6, and top block 9 is installed on the end of spring element 8, and the bottom of spring element 8 is fixed on In the arc-shaped lock groove 6 of the first lock ring 11, the top block 9 is arranged in the arc-shaped lock groove 6, and when the arc-shaped lock bar 7 is inserted into the arc-shaped lock groove 6, the arc-shaped lock bar 7 is pressed against the arc-shaped lock groove 6 accordingly. Top block 9 on.

The top block 9 is arranged in an arc-shaped structure, and can slide correspondingly in the arc-shaped lock groove 6; the outline shapes of the arc-shaped lock groove 6 and the arc-shaped lock bar 7 are set to be consistent with the outline shape of the circular lock buckle.

As shown in Figure 5, this device also designs a spring piece and a top block in the arc lock groove, supports the top block through the spring piece, and sets the length of the arc lock groove relatively larger, after this design, when the arc After the shaped lock bar is inserted, the arc-shaped lock bar presses the top block inwardly. After locking, the top block is always upward against the arc-shaped lock bar, and there will be no swaying situation; and when the lock is opened, the top block The block will push the arc-shaped lock bar upwards, and the lock buckle will pop open automatically. The structural design is very ingenious and reasonable, and it is easy to use.

The above-mentioned specific implementation is only a preferred embodiment of the utility model, and is not used to limit the implementation of the utility model and the scope of the claims. All equivalent changes and modifications made according to the content of the patent protection scope of the utility model application are all Should be included in the utility model patent application scope.

Claims (7)

1. A multi-link safety lock, characterized in that: it includes two first lock handles (1) and second lock handles (2) with the same shape and structure; the first lock handle (1) and the second lock handle The lock handle (2) is hingedly installed in one body through the hinge assembly (3) at the front end; and the first lock handle (1) and the second lock handle (2) are provided with corresponding lock holes (4); and the second A lock handle (1) is also equipped with a first lock ring (11) at its front end, and a second lock handle (2) is correspondingly equipped with a second lock ring (21) at its front end; Both the first lock ring (11) and the second lock ring (21) are arranged in a semicircular structure, the positions of the two lock rings correspond to each other, and the front ends of the two lock rings are all arranged as a butt joint with gradually increasing thickness. After the lock ring (5), the first lock ring (11) and the second lock ring (21) are rotated inwardly, the butt joint lock rings (5) on both sides are butted tightly so that the first lock ring (11) and the second lock ring (11) The lock ring (21) constitutes an integral circular lock, while the positions of the lock holes (4) on the first lock handle (1) and the second lock handle (2) overlap, and each overlapping lock hole (4) A lockset can be installed correspondingly. 2. A multi-link safety lock according to claim 1, characterized in that: the thickness of the docking lock ring (5) is set to the thickness of the first lock ring (11) and the second lock ring (21) twice as much. 3. A multi-link safety lock according to claim 1, characterized in that: the docking lock ring (5) at the front end of the first lock ring (11) is also provided with an arc-shaped lock groove recessed inward (6), and the end of the docking lock ring (5) at the front end of the second lock ring (21) is correspondingly provided with an arc-shaped lock bar (7) protruding forward, and the first lock ring ( 11) and the second lock ring (21) are correspondingly rotated inwardly, and the arc-shaped lock bar (7) is correspondingly inserted into the arc-shaped lock groove (6). 4. A multi-link safety lock according to claim 3, characterized in that: there are at least two arc lock grooves (6) in the docking lock ring (5); The number of bars (7) is set accordingly. 5. A multi-link safety lock according to claim 1, characterized in that: the first lock handle (1) and the second lock handle (2) are respectively provided with five lock holes (4 ), and the first lock handle (1) and the second lock handle (2) are both set to a square lock handle structure. 6. A multi-link safety lock according to claim 3, characterized in that: the length of the arc lock groove (6) is set to be greater than the length of the arc lock strip (7), and the arc A spring piece (8) is also installed in the shape lock groove (6), and a top block (9) is installed on the end of the spring piece (8), and the top piece (9) is arranged in the arc lock groove (6) , when the arc-shaped locking strip (7) is inserted into the arc-shaped locking groove (6), the arc-shaped locking strip (7) is correspondingly compressed on the top block (9). 7. A multi-link safety lock according to claim 6, characterized in that: the top block (9) is set in an arc-shaped structure, and can slide correspondingly in the arc-shaped lock groove (6); The outline shapes of the arc lock groove (6) and the arc lock strip (7) are set to be consistent with the outline shape of the circular lock buckle.