CN221627911U - Cam rotary tongue lock - Google Patents

Abstract

The utility model relates to the technical field of cam latch locks, and discloses a cam latch lock which comprises a shell, wherein a lock body is fixedly connected inside the shell, a lock cylinder is rotatably connected inside the lock body, a connecting rod is fixedly connected to the outer rear side of the lock cylinder, a latch turning plate is fixedly connected to the outer rear side of the connecting rod, a connecting pipe is fixedly connected to the bottom of the lock body, an oil injection pipe is fixedly connected to the bottom of the connecting pipe, two connecting blocks are fixedly connected to the inner wall of the oil injection pipe, a sleeve is fixedly connected to one side close to the two connecting blocks, a circular ring is fixedly connected inside the oil injection pipe, a sliding rod is connected inside the sleeve in a sliding mode, a top plate is fixedly connected to one side of the outer portion of the sliding rod, and a reset assembly is sleeved outside the sliding rod. According to the utility model, lubricating oil can be fed into the device through the oil injection pipe and the top plate and cannot flow back, so that the problem that the lubricating oil flows back and is not lubricated in place is solved.

Description

Cam rotary tongue lock

Technical Field

The utility model relates to the technical field of a rotary tongue lock, and more particularly to a cam latch lock.

Background

Cam lock is a common mechanical locking device used to securely lock and secure items, commonly found in furniture, file cabinets, safes, lockers, industrial equipment, and the like. The cam lock consists of a cam, a rotating tongue, a lock cylinder and a key, and has the advantages of simple structure, convenient installation and convenient operation, and simultaneously, the cam rotating tongue lock can have relatively high safety.

In some prior art, when a correct key is inserted into the lock cylinder and rotated, the cam is lifted or rotated at a specific position, so that the turning tongue extends or retracts from the lock hole. If the rotary tongue stretches out, the rotary tongue can be embedded into a fixing hole or a groove of an article, so that the article is locked, otherwise, when the rotary tongue is retracted, the article can be freely opened or moved, but in the long-term use process, the friction force between the lock cylinder and the lock body is increased due to the influences of corrosion, impurities and the like of external air, and the lock cannot be unlocked smoothly due to rust or the existence of the impurities and the like.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides a cam rotary tongue lock, which aims to solve the problem that part of the prior art is inconvenient to unscrew due to larger friction force between a lock cylinder and a lock body in the using process.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The cam tongue-turning lock comprises a shell, wherein a lock body is fixedly connected to the inside of the shell, a lock core is rotationally connected to the inside of the lock body, a connecting rod is fixedly connected to the outer rear side of the lock core, a tongue-turning plate is fixedly connected to the outer rear side of the connecting rod, a connecting pipe is fixedly connected to the bottom of the lock body, an oil injection pipe is fixedly connected to the bottom of the connecting pipe, two connecting blocks are fixedly connected to the inner wall of the oil injection pipe, sleeves are fixedly connected to the similar sides of the two connecting blocks, a circular ring is fixedly connected to the inside of the oil injection pipe, a sliding rod is connected to the inside of the sleeve in a sliding mode, a limiting plate is fixedly connected to the outside of the sliding rod, a top plate is fixedly connected to one side of the outside of the sliding rod, and a reset assembly is sleeved outside the sliding rod;

Further, the outer front side of the shell is rotatably connected with a rotating ring, and the rotating ring is provided with a key hole.

Further, the reset component comprises a spring, one end of the spring is fixedly connected to the inner wall of the sleeve, and the other end of the spring is fixedly connected to one side of the outer portion of the limiting plate.

Further, the outside of limiting plate sliding connection is in the inner wall of sleeve.

Further, an outer side of the top plate is in contact with an outer side of the ring, and an outer side of the top plate is in contact with an outer side of the sleeve.

Further, the outer portion of the connecting rod is rotatably connected to the inner portion of the shell, and the outer portion of the oil filler pipe is fixedly connected to the inner portion of the shell.

The utility model has the following beneficial effects:

1. According to the utility model, under the matched use of structures such as the connecting block, the sleeve, the circular ring and the sliding rod, lubricating oil is fed into the device through the oil injection pipe and the top plate and cannot flow back in the use process of the device, so that the problems that friction force of part of the device is not increased and is difficult to open and close due to the fact that lubricating oil does not flow back and lubricating oil is not in place are solved.

Drawings

FIG. 1 is a perspective view of a cam latch lock according to the present utility model;

FIG. 2 is a schematic view of a connecting tube of a cam latch lock according to the present utility model;

fig. 3 is a schematic diagram of a structure of a filler pipe of a cam latch lock according to the present utility model.

Legend description:

1. A housing; 2. a rotating ring; 3. a key hole; 4. a lock body; 5. a lock core; 6. a connecting rod; 7. a tongue plate; 8. a connecting pipe; 9. a filler pipe; 10. a connecting block; 11. a sleeve; 12. a circular ring; 13. a slide bar; 14. a limiting plate; 15. a top plate; 16. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, one embodiment provided by the present utility model is: a cam rotary tongue lock comprises a shell 1 for protecting the stability of an internal structure, wherein the front side of the outer part of the shell 1 is rotationally connected with a rotary ring 2, the rotary ring 2 can rotate in the shell 1 to achieve the aim of synchronizing with the internal structure, a key hole 3 is formed in the rotary ring 2 for facilitating key insertion, a lock body 4 is fixedly connected in the shell 1 and used as a main body of the device, a lock cylinder 5 is rotationally connected in the lock body 4 and matched with the external lock body 4 to enable the device to open and close, the rear side of the lock cylinder 5 is fixedly connected with a connecting rod 6, the outer part of the connecting rod 6 is rotationally connected in the shell 1, the rear side of the outer part of the connecting rod 6 is fixedly connected with a rotary tongue plate 7 and matched with a part of the structure to achieve the aim of opening and closing, a connecting pipe 8 is fixedly connected at the bottom of the lock body 4, an oil injection pipe 9 is fixedly connected at the bottom of the connecting pipe 8, and two structures are connected to enable lubricating oil to smoothly reach the lock body 4, the outside of the oil filler pipe 9 is fixedly connected with the inside of the shell 1, the inner wall of the oil filler pipe 9 is fixedly connected with two connecting blocks 10, one side close to the two connecting blocks 10 is fixedly connected with a sleeve 11, a space for moving an internal structure is provided, the inside of the oil filler pipe 9 is fixedly connected with a circular ring 12, the inside of the sleeve 11 is slidably connected with a slide bar 13 which can slide in the inside of the sleeve 11, the outside of the slide bar 13 is fixedly connected with a limiting plate 14, the outside of the limiting plate 14 is slidably connected with the inner wall of the sleeve 11, one side of the outside of the slide bar 13 is fixedly connected with a top plate 15 which can limit the inflow of lubricating oil, one side of the outside of the top plate 15 is contacted with one side of the outside of the circular ring 12, the other side of the outside of the top plate 15 is contacted with one side of the outside of the sleeve 11, a reset component is sleeved outside of the slide bar 13, the external fixing structure can be reset under the state that no external force is applied, the reset assembly comprises a spring 16, one end of the spring 16 is fixedly connected to the inner wall of the sleeve 11, and the other end of the spring 16 is fixedly connected to one side of the outer portion of the limiting plate 14.

Compared with the prior art, the lubricating oil can be fed into the device through the oil injection pipe 9 and the top plate 15 and cannot flow back, and the problem that the lubricating oil flows back and is not lubricated in place is solved.

Working principle: firstly, the shell 1 is fixed in the door body, a key is plugged into the inside of the key hole 3 and the rotating ring 2 is rotated in the using process, the key can drive the lock cylinder 5 to rotate in the lock body 4, the proper key can drive the connecting rod 6 to drive the external tongue rotating plate 7 to move, the tongue rotating plate 7 drives the external buckle to move, the purpose of opening and closing the device is achieved, the injection device is aligned to the oil filling pipe 9 under the condition of blocking or rusting of the device, so that liquid passes through the ring 12 and jacks up the top plate 15, because the sliding rod 13 fixedly connected with one side of the outer part of the top plate 15 slides in the sleeve 11, the liquid enters through the ring 12 and moves towards the connecting pipe 8 at the top of the oil filling pipe 9, and the contact surface between the lock body 4 and the lock cylinder 5 is reached, and the lubricating effect is achieved.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. A cam latch lock comprising a housing (1), characterized in that: the inside fixedly connected with lock body (4) of shell (1), the inside rotation of lock body (4) is connected with lock core (5), the outside rear side fixedly connected with connecting rod (6) of lock core (5), the outside rear side fixedly connected with of connecting rod (6) changes tongue board (7), the bottom fixedly connected with connecting pipe (8) of lock body (4), the bottom fixedly connected with notes oil pipe (9) of connecting pipe (8), the inner wall fixedly connected with two connecting blocks (10) of notes oil pipe (9), two near one side fixedly connected with sleeve (11) of connecting block (10), the inside fixedly connected with ring (12) of notes oil pipe (9), the inside sliding connection of sleeve (11) has slide bar (13), the outside fixedly connected with limiting plate (14) of slide bar (13), outside one side fixedly connected with roof (15) of slide bar (13), the outside cover of slide bar (13) is equipped with reset assembly.

2. A cam latch according to claim 1, wherein: the front side of the outer part of the shell (1) is rotationally connected with a rotating ring (2), and the rotating ring (2) is provided with a key hole (3).

3. A cam latch according to claim 1, wherein: the reset assembly comprises a spring (16), one end of the spring (16) is fixedly connected to the inner wall of the sleeve (11), and the other end of the spring (16) is fixedly connected to one side of the outer portion of the limiting plate (14).

4. A cam latch according to claim 1, wherein: the outer part of the limiting plate (14) is connected with the inner wall of the sleeve (11) in a sliding way.

5. A cam latch according to claim 1, wherein: the outer side of the top plate (15) is in contact with the outer side of the circular ring (12), and the other outer side of the top plate (15) is in contact with the outer side of the sleeve (11).

6. A cam latch according to claim 1, wherein: the outside of connecting rod (6) rotates and connects in the inside of shell (1), the outside fixed connection of filler pipe (9) is in the inside of shell (1).