CN218623744U

CN218623744U - Door lock with up-down linkage locking function

Info

Publication number: CN218623744U
Application number: CN202222768462.0U
Authority: CN
Inventors: 吴贵利; 莫百刚; 曾文学
Original assignee: Wenzhou Guili Lock Industry Co ltd
Current assignee: Wenzhou Guili Lock Industry Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-03-14
Anticipated expiration: 2032-10-20

Abstract

The utility model relates to a lock technical field specifically is a lock with from top to bottom linkage locking function, which comprises a door body, the side swing joint of the door body has the handle, the one end swing joint of handle has the carousel, two hinges of outside fixed connection of carousel are detained, two the equal swing joint of one end that the hinge was detained has the connecting rod, the one end swing joint of connecting rod has the piston, the outer wall swing joint of piston has the sealing washer, the lock after the improvement sets up the draw-in groove through the middle part of carousel and can drive the carousel when making the handle rotate and rotate to the locking structure of control door, symmetric distribution makes to rotate the carousel and can drive two hinges simultaneously and detain between two hinges to reach the effect of linkage from top to bottom, the gas transmission structure makes the piston utilize the pressure change in the cylinder to drive the embolus and stretch out and draw back, and the outer wall of piston has seted up the spacing groove and makes the piston can guarantee good gas tightness, and the rotation of handle is not influenced.

Description

Door lock with up-down linkage locking function

Technical Field

The utility model relates to a lock technical field specifically is a lock with linkage locking function from top to bottom.

Background

The door lock has a long history, a simple door lock such as a bolt is available in ancient times, and with the continuous development of times, the functions and the anti-theft safety of the door lock are continuously enhanced, so that various door locks are enriched in our lives in order to ensure the safety and the privacy.

The prior patent (publication number: CN 212406391U) discloses a top-bottom door lock with a prying-resistant function, which comprises a shell and a square bolt which can stretch out and draw back on one side of the shell, wherein a first driving rod which can be connected with a top rod into a whole and can stretch out and draw back up and down and a second driving rod which can be connected with a ground rod into a whole and can stretch out and draw back up and down are arranged in the shell, the first driving rod is arranged adjacent to the square bolt, a movable plug-in unit which is linked with the square bolt is also arranged in the shell, and a groove into which one end of the movable plug-in unit can extend is formed in the first driving rod; when the square bolt, the first driving rod and the second driving rod are used for locking the door, the movable plug-in unit resets and is inserted into the groove. The utility model discloses a world lock with pick-proof function can prevent that the world lock from being maliciously prized, has the high advantage of security. (ESM) the same invention creation has been patented on the same day. The inventor finds that the prior art has the following problems in the process of realizing the utility model: traditional lock adopts the mode of side spring bolt to lock, and such locking mode can only rely on single spring bolt to carry out the hasp, and under the striking by force in the face of great impact force, the locking effect of door is limited, can't provide powerful hasp effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lock with upper and lower linkage locking function to solve the problem that proposes in the above-mentioned background art. In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lock with from top to bottom linkage locking function, includes a body, the side swing joint of the door body has the handle, the one end swing joint of handle has the carousel, two hinges of the outside fixed connection of carousel are detained, two the equal swing joint of one end that the hinge was detained has the connecting rod, the one end swing joint of connecting rod has the piston, the outer wall swing joint of piston has the sealing washer, the outer wall swing joint of sealing washer has the cylinder, the one end fixedly connected with stopper of cylinder, the middle part of stopper is run through there is the embolus.

Preferably, the middle part of the rotating disc is provided with a clamping groove matched with the handle.

Further preferably, the two hinge buckles are symmetrically distributed about a central axis of the turntable.

Further preferably, a connecting rod transmission structure is formed among the hinge buckle, the connecting rod and the piston.

Further preferably, an air transmission structure is formed between the piston and the bolt.

Further preferably, the outer wall of the piston is provided with a limit groove matched with the sealing ring.

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

the utility model discloses in, set up the draw-in groove through the middle part of carousel and make the handle can drive the carousel when rotating and rotate to the locking structure of control door, symmetric distribution makes to rotate the carousel and can drive two hinges simultaneously and detain between two hinges detain, thereby reaches the effect of linkage from top to bottom.

The utility model discloses in, make the motion that the rotation of carousel drove the piston through connecting rod transmission structure, the gas transmission structure makes the piston utilize the pressure change in the cylinder to drive the bolt post and stretches out and draws back, and the outer wall of piston has been seted up the spacing groove and has been made the piston can guarantee good gas tightness, and the rotation of handle is not influenced.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the front view full-section structure of the present invention;

fig. 3 is a schematic top view of the present invention;

fig. 4 is an enlarged schematic structural diagram of a in fig. 2 according to the present invention.

In the figure: 1. a door body; 2. a handle; 3. a turntable; 4. hinging and buckling; 5. a connecting rod; 6. a piston; 7. a seal ring; 8. a cylinder; 9. a limiting block; 10. and (4) a bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a lock with from top to bottom linkage locking function, including a body 1, the side swing joint of the body 1 has handle 2, the one end swing joint of handle 2 has carousel 3, two hinges of the outside fixed connection of carousel 3 are detained 4, the equal swing joint of one end that two hinges were detained 4 has connecting rod 5, the one end swing joint of connecting rod 5 has piston 6, the outer wall swing joint of piston 6 has sealing washer 7, the outer wall swing joint of sealing washer 7 has cylinder 8, the one end fixedly connected with stopper 9 of cylinder 8, stopper 9's middle part runs through there is the stud 10.

In this embodiment, as shown in fig. 2, a clamping groove adapted to the handle 2 is formed in the middle of the rotary table 3; it should be noted that, the middle of the turntable 3 is provided with a clamping groove matched with the handle 2, so that the handle 2 can drive the turntable 3 to rotate when rotating, and therefore the locking structure of the door is controlled.

In this embodiment, as shown in fig. 2, the two hinge buckles 4 are symmetrically distributed about the central axis of the turntable 3; it should be noted that, the two hinge buckles 4 are symmetrically distributed about the central axis of the rotary plate 3, so that the rotary plate 3 can drive the two hinge buckles 4 simultaneously, thereby achieving the effect of up-and-down linkage.

In this embodiment, as shown in fig. 4, a connecting rod transmission structure is formed among the hinge buckle 4, the connecting rod 5 and the piston 6; it should be noted that, the rotation of the turntable 3 drives the piston 6 to move through the link transmission structure formed by the hinge joint 4, the connecting rod 5 and the piston 6.

In the embodiment, as shown in fig. 2, an air transmission structure is formed between the piston 6 and the plug 10; it should be noted that, through the air transmission structure formed between the piston 6 and the stud 10, the piston 6 utilizes the pressure variation in the cylinder 8 to drive the stud 10 to extend and retract.

In this embodiment, as shown in fig. 4, the outer wall of the piston 6 is provided with a limit groove adapted to the seal ring 7; it should be noted that the piston 6 can ensure good air tightness by arranging the limiting groove matched with the sealing ring 7 on the outer wall of the piston 6, and the rotation of the handle 2 is not affected.

The utility model discloses a use method and advantage: when the door lock with the up-down linkage locking function is used, the working process is as follows:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, at first, rotate handle 2, handle 2 drives carousel 3 and rotates, and carousel 3 drives two hinge buckles 4 and rotates to make two connecting rods 5 drive two pistons 6 respectively and slide in cylinder 8, utilize pressure to make the cylinder 8 at both ends contract to inside, thereby make two pegs 10 shrink, the linkage can be gone on from top to bottom to the locking of the door body 1 in the same way.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. The skilled worker in this industry should understand that the present invention is not limited by the above embodiments, and what is described in the above embodiments and the specification is only the preferred embodiments of the present invention, and does not limit the present invention, without departing from the spirit and scope of the present invention, the present invention can also have various changes and improvements, and these changes and improvements all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a lock with linkage locking function from top to bottom, includes door body (1), its characterized in that: the side swing joint of the door body (1) has handle (2), the one end swing joint of handle (2) has carousel (3), two hinges of the outside fixed connection of carousel (3) are detained (4), two the equal swing joint in one end that the hinge was detained (4) has connecting rod (5), the one end swing joint of connecting rod (5) has piston (6), the outer wall swing joint of piston (6) has sealing washer (7), the outer wall swing joint of sealing washer (7) has cylinder (8), the one end fixedly connected with stopper (9) of cylinder (8), the middle part of stopper (9) is run through and is had stud (10).

2. The door lock with the up-and-down linkage locking function according to claim 1, characterized in that: the middle part of the rotary disc (3) is provided with a clamping groove matched with the handle (2).

3. The door lock with the up-and-down linkage locking function according to claim 1, characterized in that: the two hinge buckles (4) are symmetrically distributed around the central axis of the turntable (3).

4. The door lock with the up-and-down linkage locking function according to claim 1, characterized in that: and a connecting rod transmission structure is formed among the hinge buckle (4), the connecting rod (5) and the piston (6).

5. The door lock with the up-and-down linkage locking function according to claim 1, characterized in that: an air transmission structure is formed between the piston (6) and the bolt column (10).

6. The door lock with the up-and-down linkage locking function according to claim 1, characterized in that: and the outer wall of the piston (6) is provided with a limit groove matched with the sealing ring (7).