CN219197000U - A U-shaped head lock device - Google Patents

Abstract

The utility model discloses a U-shaped front lock device, which comprises a lock body and a protection mechanism arranged outside the lock body. The protection mechanism includes a working assembly and a protection assembly; block, the outer wall of the lock body is fixedly connected with a protective bottom plate, the inner wall of the protective bottom plate is fixedly connected with a return spring, and one end of the return spring is fixedly connected with a connecting slider that is slidably connected with the inner wall of the protective bottom plate; the protective assembly It includes a protective plate, a push block and a lock cylinder. The outer wall of the connecting slider is fixedly connected with a protective plate slidingly connected with the outer wall of the protective bottom plate. This U-shaped head lock device is more practical than the existing common The new type is equipped with a protective plate. After the user pulls out the key, the protective plate slides in the opposite direction along the outer wall of the protective bottom plate through the self-elastic force of the return spring, and then automatically protects the lock cylinder to avoid corrosion inside the lock cylinder.

Description

A U-shaped head lock device

technical field

The utility model relates to the technical field of U-shaped locks, in particular to a U-shaped head lock device.

Background technique

U-shaped lock is a kind of lockset that is mainly used on glass doors, motorcycles, and battery car lights. U-shaped locks in the prior art are divided into two types: mechanical opening and electronic opening according to their locking control methods. The mechanical opening refers to It is to use a key to realize the locking or unlocking of the U-shaped lock, which is used to improve the safety performance of the equipment.

For example, the application number is CN209637447U, which discloses a U-shaped head lock device. The utility model relates to a U-shaped lock, which includes a lock beam and a lock body. The lock beam is U-shaped, and symmetrical Multiple pairs of gaps are set; the lock body includes a lock case, and the lock case is provided with two lock beam holes for the U-shaped rods on both sides of the lock beam to pass through; the lock case is provided with a hollow cavity, and the lock beam hole is located in the hollow On the left and right sides of the cavity, there is a first installation hole in the shell, and a lock bolt is arranged in the first installation hole; a push rod is arranged on one side of the lock bolt, and the push rod can be driven by an electronically controlled locking system or a mechanical locking system. Telescopic action, when the push rod is stretched out, push the first end of the dead bolt so that the second end of the dead bolt snaps into a gap on the U-shaped bar on one side; when the push rod is retracted, the distance between the push rod and the second end of the dead bolt There is a gap between them, and the dead bolt withdraws from the notch of the U-shaped bar. The utility model integrates two control methods of mechanical opening and electronic opening, so that the U-shaped lock can be opened and closed with a key when the electric control system fails.

But when this kind of U-shaped head lock device is in use, the internal parts of the lock core are easily corroded in a humid environment, causing the lock core to be easily stuck when working.

Then, in view of this, research and improve aiming at the existing structural deficiency, a kind of U-shaped head lock device is proposed.

Utility model content

The purpose of this utility model is to provide a U-shaped front lock device to solve the problem that the internal parts of the lock cylinder are easily corroded in a humid environment, which leads to the problem that the lock cylinder is easily stuck when it is working.

In order to achieve the above object, the utility model provides the following technical solutions: a U-shaped head lock device, including a lock body and a protection mechanism arranged outside the lock body, and the protection mechanism includes a working component and a protection component;

The working assembly includes a protective bottom plate, a return spring and a connecting slider, the outer wall of the lock body is fixedly connected with a protective bottom plate, the inner wall of the protective bottom plate is fixedly connected with a return spring, and one end of the return spring is fixedly connected with a protective The connecting slider for the sliding connection of the inner wall of the bottom plate;

The protective assembly includes a protective plate, a push block and a lock cylinder. The outer wall of the connecting slider is fixedly connected with a protective plate slidingly connected with the outer wall of the protective bottom plate. The outer wall of the protective plate is fixedly connected with a push block. One side of the plate is located on the outer wall of the lock body and is provided with a lock cylinder.

Preferably, one end of the lock cylinder extends to the inside of the lock body and is fixedly connected with a rotating connecting plate screwed to the inner wall of the lock, one end of the rotating connecting plate is screwed with a connecting rod, and one end of the connecting rod is screwed There is a telescopic rod slidingly connected with the inner wall of the lock, the outer wall of the telescopic rod is sleeved with a working spring fixedly connected with the inner wall of the lock, one end of the telescopic rod is fixedly connected with a lock head, and one side of the lock head is opened There is a lock hole that runs through the outer wall of the lock, and a lock rod runs through the inside of the lock hole, and the outer wall of the lock rod is provided with a set of card slots that engage with the lock head, and the outer wall of the lock rod is sleeved with a rod set.

Preferably, the protective plate forms a sliding structure by connecting the sliding block and the return spring with the protective bottom plate.

Preferably, the outer wall of the protective bottom plate is provided with a through hole, and the center of the through hole on the outer wall of the protective bottom plate coincides with the central axis of the lock cylinder.

Preferably, the edge of the outer wall of the protective bottom plate is provided with a slide groove fitted with the edge of the outer wall of the protective plate.

Preferably, there are two sets of connecting rods, and the telescopic rods form a sliding structure through the rotating connecting plate and between the connecting rods and the lock body.

Preferably, the locking head forms an engaging structure through the telescopic rod and the locking groove group, and the locking groove group is equidistantly distributed along the outer wall of the locking rod.

Compared with the prior art, the beneficial effects of the utility model are:

1. The utility model is equipped with a protective plate. After the user pulls out the key, the protective plate slides in the opposite direction along the outer wall of the protective bottom plate through the self-elastic force of the return spring, and then automatically protects the lock cylinder to avoid corrosion inside the lock cylinder;

2. The utility model adopts the lock head and the card slot group, and the rotating connecting plate rotates through the connecting rod to drive the telescopic rod to overcome the elastic force of the working spring and slide along the inner wall of the lock body, and the telescopic rod slides to drive the lock head and the card slot on the outer wall of the lock rod The relative movement of the group realizes the locking operation of the locking lever.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of a U-shaped head lock device of the present invention;

Fig. 2 is a schematic diagram of the lock body structure of a U-shaped head lock device of the present invention;

Fig. 3 is a schematic diagram of the internal structure of the lock body of a U-shaped head lock device of the present invention;

Fig. 4 is an exploded view of a protective plate of a U-shaped head lock device of the present invention.

In the figure: 1. Lock body; 2. Protective bottom plate; 3. Return spring; 4. Connecting slider; 5. Protective plate; 6. Push block; 7. Lock cylinder; 8. Rotating connecting plate; 10. Telescopic rod; 11. Working spring; 12. Lock head; 13. Lock hole; 14. Lock rod; 15. Card slot group; 16. Rod sleeve.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Embodiment one

As shown in Figure 1, Figure 2 and Figure 4, a U-shaped head lock device includes a lock body 1 and a protection mechanism arranged outside the lock body 1, and the protection mechanism includes a working component and a protection component;

The working assembly includes a protective base plate 2, a return spring 3 and a connecting slider 4. The outer wall of the lock body 1 is fixedly connected with a protective base plate 2, and the inner wall of the protective base plate 2 is fixedly connected with a return spring 3, and one end of the return spring 3 is fixedly connected with a protective cover. The connecting slider 4 that is slidingly connected to the inner wall of the bottom plate 2;

The protective assembly includes a protective plate 5, a push block 6 and a lock cylinder 7, the outer wall connecting the slider 4 is fixedly connected with a protective plate 5 slidingly connected with the outer wall of the protective bottom plate 2, and the outer wall of the protective plate 5 is fixedly connected with a push block 6, and the outer wall of the protective plate 5 is fixedly connected with a push block 6, and One side of the plate 5 is located on the outer wall of the lock body 1 and is provided with a lock core 7 .

Further, the protective plate 5 constitutes a sliding structure between the connecting slider 4 and the return spring 3 and the protective bottom plate 2. During operation, it is beneficial for the push block 6 to slide and drive the connecting slider 4 to overcome the return spring 3 and slide along the outer wall of the protective bottom plate 2 , realize the sliding control operation of the connecting slider 4, facilitate the automatic protection of the lock cylinder 7, and prevent the interior of the lock cylinder 7 from being corroded.

Further, the outer wall of the protective bottom plate 2 is provided with a through hole, and the center of the through hole on the outer wall of the protective bottom plate 2 coincides with the central axis of the lock cylinder 7, which is beneficial to realize the comprehensive protection operation of the lock cylinder 7 during operation.

Further, the edge of the outer wall of the protective base plate 2 is provided with a chute fitted with the edge of the outer wall of the protective plate 5. During operation, the push block 6 slides to drive the protective plate 5 to slide along the outer wall of the protective base plate 2, thereby realizing reciprocating sliding of the protective plate 5. control operation.

Embodiment two

As shown in Figure 2 and Figure 3, Comparative Example 1, as another embodiment of the present invention, further, one end of the lock cylinder 7 extends to the inside of the lock body 1 and is fixedly connected to the inner wall of the lock body 1 The rotating connecting plate 8, one end of the rotating connecting plate 8 is screwed with a connecting rod 9, and one end of the connecting rod 9 is screwed with a telescopic rod 10 slidingly connected with the inner wall of the lock body 1, and the outer wall of the telescopic rod 10 is sleeved with a 1 The inner wall is fixedly connected to the working spring 11, and one end of the telescopic rod 10 is fixedly connected to the lock head 12, and one side of the lock head 12 is provided with a lock hole 13 penetrating through the outer wall of the lock body 1, and a lock rod 14 runs through the inside of the lock hole 13 , the outer wall of the lock bar 14 is provided with a card slot group 15 engaged with the lock head 12, and the outer wall of the lock bar 14 is sleeved with a rod sleeve 16. During work, the key turns to drive the rotating connecting plate 8 to rotate through the lock cylinder 7, and the rotation The rotation of the connecting plate 8 drives the two sets of connecting rods 9 to move synchronously, so that the rotating connecting plate 8 drives the telescopic rod 10 to overcome the elastic force of the working spring 11 and slide along the inner wall of the lock body 1 through the connecting rod 9, and the sliding rod 10 drives the lock head 12 Relative movement with the locking groove group 15 on the outer wall of the locking rod 14 realizes the locking operation of the locking rod 14 .

Further, the connecting rod 9 is provided with two groups, and the telescopic rod 10 forms a sliding structure through the rotating connecting plate 8 and between the connecting rod 9 and the lock body 1. During operation, the rotating connecting plate 8 rotates through the connecting rod 9 to drive the telescopic rod 10 to overcome The elastic force of the working spring 11 slides along the inner wall of the lock body 1 to realize the sliding control operation of the telescopic rod 10 .

Further, the locking head 12 forms an engaging structure through the telescopic rod 10 and the locking groove group 15, and the locking groove group 15 is equidistantly distributed along the outer wall of the locking rod 14. When working, the telescopic rod 10 slides to drive the locking head 12 and the locking rod. The locking groove group 15 on the outer wall of 14 moves relatively to realize the locking operation of the locking bar 14 .

Working principle: when using this kind of U-shaped head lock device, first, the user pushes the push block 6, and the push block 6 slides to drive the protective plate 5 to slide along the outer wall of the protective bottom plate 2, so that the push block 6 slides to drive the connecting slider 4 Overcome the elastic force of the return spring 3 and slide along the outer wall of the protective bottom plate 2, then the user inserts the key into the lock cylinder 7, after the user pulls out the key, the protective plate 5 slides in the opposite direction along the outer wall of the protective bottom plate 2 through the self-elastic force of the return spring 3 , and then the lock cylinder 7 is automatically protected to prevent the inside of the lock cylinder 7 from being corroded.

Finally, the user inserts the lock rod 14 into the front of the car, and inserts the lock rod 14 into the lock hole 13 on the outer wall of the lock body 1. The rotation of the key drives the rotation of the rotating connecting plate 8 through the lock cylinder 7, and the rotation of the rotating connecting plate 8 drives the two sets of connecting rods. 9 move synchronously, so that the rotating connecting plate 8 rotates through the connecting rod 9 to drive the telescopic rod 10 to overcome the elastic force of the working spring 11 and slide along the inner wall of the lock body 1, and the telescopic rod 10 slides to drive the lock head 12 and the locking groove group on the outer wall of the locking rod 14 15 relatively moves, realizes the locking operation to locking bar 14, and Here it is the operating principle of this a kind of U-shaped head lock device.

The embodiments of the invention have been presented for purposes of illustration and description, but are not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and changes will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to better explain the principle and practical application of the invention, and to enable those of ordinary skill in the art to understand the invention and design various embodiments with various modifications suitable for particular purposes.

Claims (7)

1. The utility model provides a U-shaped locomotive locking device, includes lock body (1) and sets up at the outside protection machanism of lock body (1), its characterized in that: the protection mechanism comprises a working assembly and a protection assembly;

the working assembly comprises a protection bottom plate (2), a reset spring (3) and a connecting sliding block (4), wherein the protection bottom plate (2) is fixedly connected to the outer wall of the lock body (1), the reset spring (3) is fixedly connected to the inner wall of the protection bottom plate (2), and the connecting sliding block (4) which is in sliding connection with the inner wall of the protection bottom plate (2) is fixedly connected to one end of the reset spring (3);

the protection assembly comprises a protection plate (5), a pushing block (6) and a lock cylinder (7), wherein the protection plate (5) is fixedly connected with the outer wall of the connection sliding block (4) and is in sliding connection with the outer wall of the protection bottom plate (2), the pushing block (6) is fixedly connected with the outer wall of the protection plate (5), and the lock cylinder (7) is arranged on the outer wall of the lock body (1) on one side of the protection plate (5).

2. A U-shaped head lock apparatus as claimed in claim 1, wherein: the inside fixedly connected with that lock core (7) one end extends to lock body (1) links board (8) with the rotation of lock body (1) inner wall soon, the one end of rotatory even board (8) has connect connecting rod (9) soon, the one end of connecting rod (9) connect soon with lock body (1) inner wall sliding connection's telescopic link (10), the outer wall of telescopic link (10) cup joint with lock body (1) inner wall fixed connection's working spring (11), the one end fixedly connected with tapered end (12) of telescopic link (10), the lockhole (13) that runs through in lock body (1) outer wall are seted up to one side of tapered end (12), the inside of lockhole (13) is run through there is locking lever (14), locking lever (14) outer wall set up with tapered end (12) looks block groove group (15), the outer wall of locking lever (14) cup joint rod sleeve (16).

3. A U-shaped head lock apparatus as claimed in claim 1, wherein: the protection plate (5) forms a sliding structure with the protection bottom plate (2) through the connecting sliding block (4) and the reset spring (3).

4. A U-shaped head lock apparatus as claimed in claim 1, wherein: the outer wall of the protection bottom plate (2) is provided with a through hole, and the circle center of the through hole of the outer wall of the protection bottom plate (2) is coincided with the central axis of the lock cylinder (7).

5. A U-shaped head lock apparatus as claimed in claim 1, wherein: the edge of the outer wall of the protective bottom plate (2) is provided with a chute which is embedded with the edge of the outer wall of the protective plate (5).

6. A U-shaped head lock apparatus as claimed in claim 2, wherein: the connecting rods (9) are provided with two groups, and the telescopic rods (10) form a sliding structure with the lock body (1) through the rotary connecting plates (8) and the connecting rods (9).

7. A U-shaped headstock lock device according to claim 2, the method is characterized in that: the locking head (12) forms a clamping structure between the telescopic rod (10) and the clamping groove group (15), and the clamping groove group (15) is distributed along the outer wall of the locking rod (14) at equal intervals.

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