CN217205855U - Lock cylinder cover structure, door lock and door - Google Patents

Abstract

The embodiment of the utility model provides a relate to lock technical field, disclose a lock cylinder lid structure, include: the lock cylinder cover, the elastic piece and the guide rail; a sliding groove is formed in the inner side surface of the lock cylinder cover, the arrangement direction of the sliding groove is consistent with that of the guide rail, one end of the elastic piece is arranged in the sliding groove in a sliding mode, the other end of the elastic piece is arranged on the rear panel in a sliding mode, the lock cylinder cover slides on the guide rail, and then the elastic piece is driven to slide in the sliding groove; the edge of the lock cylinder cover is provided with a clamping part; the lock cylinder cover is provided with a first working state and a second working state, and in the first working state, the lock cylinder cover is clamped on the front panel through the clamping part so as to shield the lock cylinder hole; in the second working state, at least part of the lock cylinder cover abuts against the front panel to expose the lock cylinder hole. The embodiment of the utility model provides a lock core cover part is few, the assembly is simple and with low costs.

Description

Lock cylinder cover structure, door lock and door

Technical Field

The embodiment of the utility model provides a relate to lock technical field, in particular to lock core lid structure, lock and door.

Background

With the continuous development of the door lock industry, especially the continuous and deep research on door locks in recent years, various convenient and fast door opening methods have appeared, such as: passwords, fingerprints, facial recognition, voice or card swipes, etc.

However, according to the requirements of the door lock industry, all door locks need to have a mechanical unlocking function in order to ensure that the door can still be opened in case of loss of control of the circuit system. However, the lock core exposed on the surface of the panel is easily damaged and affects the beauty, which requires both the concealment and the beauty of the mechanically unlocked lock core, so that the lock core cover is generally adopted to shield the lock core, thereby protecting the lock core and improving the beauty of the door lock.

The lock cylinder cover structure existing in the prior art has the defects of multiple parts, time and labor waste in assembly and high production cost.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model aims to provide a lock cylinder lid structure, lock and door to solve the problem that the lock cylinder lid structure part that exists among the prior art is various, the assembly wastes time and energy and manufacturing cost is high.

In order to solve the technical problem, the embodiment of the utility model provides a first aspect provides a lock cylinder lid structure, is applied to the lock, the lock includes front panel and rear panel, front panel and rear panel enclose to be had and be used for accomodating the lock cylinder hole with the chamber that holds of lock cylinder lid structure includes: the lock cylinder cover, the elastic piece and the guide rail;

the lock cylinder cover comprises an inner side surface facing the rear panel, a sliding groove is formed in the inner side surface, the arrangement direction of the sliding groove is consistent with that of the guide rail, one end of the elastic piece is arranged in the sliding groove in a sliding mode, the other end of the elastic piece is arranged on the rear panel, the lock cylinder cover slides on the guide rail, and therefore the elastic piece is driven to slide in the sliding groove;

the edge of the lock cylinder cover is provided with a clamping part;

the lock cylinder cover is provided with a first working state and a second working state, and the lock cylinder cover is clamped on the front panel through the clamping part in the first working state so as to shield the lock cylinder hole; in the second working state, at least part of the lock cylinder cover abuts against the front panel to expose the lock cylinder hole.

This application embodiment includes lock core lid, elastic component and guided way, and the gliding spout of confession elastic component is seted up to the inboard surface of lock core lid, and the spout is unanimous with the direction that sets up of guided way. Under first operating condition, when need not machinery promptly and unblanking, the front panel is located to the lock core lid stable card under the cooperation of elastic component and joint portion to shelter from the lock core hole. The setting of joint portion can guarantee that the lock core lid can not deviate from on the front panel when receiving the elastic component support. Under the second operating condition, when needing machinery to unblank promptly, press the lock core lid, the elastic component receives the compression, and the lock core lid retracts to the inboard of front panel, then applys to the lock core lid and sets up the unanimous power of direction with the guided way to make the lock core lid slide along the guided way and drive the elastic component and slide to opposite direction in the spout, until exposing the lock core hole completely. The elastic piece provides changeable elastic support for the lock cylinder cover so as to meet the matching requirement between the lock cylinder cover and the front panel in different states. The lock cylinder cover provided by the embodiment of the application has the advantages of few components, simplicity in assembly and low cost.

In one embodiment, the elastic member includes a first end and a second end, which are oppositely disposed, the first end is slidably disposed in the lock cylinder cover, and the second end is configured to be disposed on the rear panel; the dimension of the first end in a plane parallel to the cylinder cover is greater than the dimension of the second end in a plane parallel to the cylinder cover. Specifically, the elastic piece comprises a first end and a second end, the size of the first end is larger than that of the second end, and the first end with the larger size can increase the butt joint area between the elastic piece and the lock cylinder cover, so that more stable supporting force is provided for the lock cylinder cover; and the smaller second end of size can reduce the internal diameter of holding tank, reduces the space waste.

In one embodiment, the elastic member is a tower-shaped spring, and a small end of the tower-shaped spring is fixed on the rear panel through a connecting member.

In an embodiment, the clamping portion is a step structure, and the step structure is located on the lock cylinder cover close to one side of the rear panel and surrounds the edge of the lock cylinder cover and extends outwards.

A second aspect of the embodiment of the present invention provides a door lock, including a front panel, a rear panel, and the above-mentioned lock cylinder cover structure; a lock cylinder cover hole is formed in the position, close to the lock cylinder hole, of the front panel, and the lock cylinder cover is clamped in the lock cylinder cover hole through the clamping part; under the condition that the lock cylinder cover is closed, the lock cylinder cover is clamped in the lock cylinder cover hole, and the outer side surface of the lock cylinder cover is flush with the outer side surface of the front panel. Under the condition that the lock cylinder cover is closed, the lock cylinder cover is embedded in the lock cylinder cover hole and covers the lock cylinder, the outer surface of the lock cylinder cover is flush with the outer surface of the front panel, so that the lock cylinder cover and the front panel can be combined into a whole, the concealment of the lock cylinder cover and the lock cylinder is stronger, and the overall structure of the door lock is more compact and more attractive.

In one embodiment, the guide rail is arranged in the accommodating cavity along a vertical direction; the guide rail takes a position close to the lock cylinder hole as a starting point, extends downwards to pass through the lock cylinder hole and takes a position far away from the lock cylinder hole as an end point; when the lock cylinder cover is positioned at the end point, the lock cylinder hole is exposed, and at least part of the lock cylinder cover is exposed from the lock cylinder cover hole. The guide rail that vertical direction set up can reduce the ascending size of lock in the transverse direction, reduces redundant design. And the lock cylinder hole is used as a starting point of the sliding of the lock cylinder cover, the lock cylinder cover extends downwards to form an end point, the lock cylinder cover moves between the starting point and the end point of the guide rail, namely the lock cylinder hole is exposed in a mode of sliding the lock cylinder cover downwards, and the operation habit of most users is better met. In addition, under the state that the lock cylinder hole is completely exposed, at least part of the lock cylinder cover is also exposed from the lock cylinder cover hole, so that after the mechanical unlocking is completed, a user can conveniently apply force on the lock cylinder cover to enable the lock cylinder cover to reset.

In one embodiment, the guide rail includes an abutment surface in sliding contact with the cylinder cover, the abutment surface being progressively closer to the rear panel from the start point to the end point. The abutment surface is gradually closer to the rear panel from the starting point to the end point, i.e. the abutment surface of the guide rail is spaced less from the front panel at the starting point position and is spaced more from the front panel at the end point position. When mechanical unlocking is needed, the lock cylinder cover is forced to move towards the terminal point by force application, the lock cylinder cover gradually leaves the lock cylinder cover hole, and the distance between the guide rail and the front panel is gradually increased, so that a larger space is provided for the lock cylinder cover to retract to the inner side of the front panel; after the mechanical unlocking, the space between the matched guide rail and the front panel is gradually reduced and the lock cylinder cover is enabled to be easier to reset to the lock cylinder cover hole through force application.

In one embodiment, the accommodating cavity protrudes to a side away from the front panel to form an accommodating groove, and the accommodating groove is used for accommodating at least part of the elastic piece. The setting of holding tank can carry on spacingly to the bottom of elastic component to guarantee that the lock core lid is gliding in-process on the guided way, the elastic component slides in the spout more steadily, and then improves relative motion's between lock core lid and the elastic component stability, reliability, avoids making the elastic component distortion because of the too violent application of force when pressing the lock core lid, and then leads to the elastic component to deviate from in the spout and cause this lock core lid structure to be out of order.

In an embodiment, the front panel comprises an inner side surface facing the rear panel, the inner side surface being provided with chamfers on opposite sides of the cylinder head hole, and the chamfers being distributed along a direction of movement of the cylinder head. The front panel with the chamfer can make the lock core lid press the in-process that the back retracted into the lock core lid to and reset to the in-process smoothness of joint on the lock core lid hole better, the card pause and feel reduces, and then promote user's use and feel.

A third aspect of embodiments of the present invention provides a door, including a door lock as described above.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.

Fig. 1 is a schematic structural view of a lock cylinder cover structure according to an embodiment of the present invention (the lock cylinder cover is in a closed state);

FIG. 2 is a perspective view of a cylinder cover in an embodiment of the present invention;

fig. 3 is an exploded perspective view of a door lock according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a door lock according to an embodiment of the present invention (a cylinder cover is in an open state);

fig. 5 is a perspective view of a door lock according to an embodiment of the present invention (with a cylinder cover in an open state);

fig. 6 is a perspective view of a partial structure of a door lock according to an embodiment of the present invention (with a cylinder cover in a closed state);

in the figure, 100-front panel, 110-cylinder cover hole, 120-chamfer; 200-rear panel, 210-lock core hole, 220-containing cavity and 221-containing groove; 300-lock cylinder cover, 310-chute, 320-clamping part; 400-elastic member, 410-first end, 420-second end; 500-guide rail, 510-butt joint face; 600-connecting piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following describes each embodiment of the present invention in detail with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments. The following embodiments are divided for convenience of description, and should not constitute any limitation to the specific implementation manner of the present invention, and the embodiments may be mutually incorporated and referred to without contradiction.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be constructed in operation, and are not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The wide application of intelligent door locks makes the necessary lock cylinder cover structure rapidly developed. The lock cylinder cover structure on the market at present mainly has buckle formula, elasticity magnetic attraction formula and slidingtype etc..

The volume of the buckle type lock cylinder cover structure is small, but the buckle type lock cylinder cover structure is easy to deform in the using process, so that the service life is short. The cover of the lock cylinder cover body is realized through the magnetic attraction of the elastic magnetic attraction type lock cylinder cover structure, when the lock cylinder cover body is opened, the lock cylinder cover body needs to be pressed to one end of the lock cylinder cover body and then opened, certain requirements are met on the pressing angle and the pressing degree, and the lock cylinder cover structure is inconvenient to use and is not smooth in operation. The sliding lock cylinder cover structure is characterized in that the lock cylinder cover is arranged on the panel in a sliding mode, when a user needs to use a standby mechanical lock cylinder to unlock, the lock cylinder cover only needs to be opened and closed by pressing and pushing, and the sliding lock cylinder cover structure is quite convenient, reliable and durable. However, the applicant found that the existing sliding lock cylinder cover structure occupies a large part of the door lock panel, which causes material waste and increases cost compared with the smaller lock cylinder and lock cylinder hole, and the existing lock cylinder cover structure is more complex and has more components, which brings inconvenience to assembly and later maintenance.

Based on the above problem, the inventor has studied a lock cylinder cover structure, only includes lock cylinder lid, elastic component and guided way, when need not mechanical unlocking, lock cylinder lid provides sheltering from for the lock cylinder hole, strengthens the disguise and the security in lock cylinder hole. When mechanical unlocking is required, the guide rails provide sliding guidance for the cylinder cover so that the cylinder cover is moved away from the initial position to expose the cylinder hole. The elastic piece provides elastic support for the lock cylinder cover so that the lock cylinder cover can keep a corresponding stable matching state with the panel in the sliding process.

The embodiment of the utility model discloses an embodiment first aspect relates to a lock core lid 300 structure, is applied to the lock. The door lock comprises a front panel 100 and a rear panel 200, wherein the front panel 100 and the rear panel 200 enclose a containing cavity 220 for containing a cylinder hole 210 and a cylinder cover 300. The specific structure of this embodiment is shown in fig. 1 and 2, and includes: the cylinder cover 300, the elastic member 400, and the guide rail 500; the lock cylinder cover 300 comprises an inner side surface facing the rear panel 200, the inner side surface is provided with a sliding groove 310, the arrangement direction of the sliding groove 310 is consistent with that of the guide rail 500, one end of the elastic element 400 is arranged in the sliding groove 310 in a sliding manner, the other end of the elastic element 400 is arranged on the rear panel 200, and the lock cylinder cover 300 slides on the guide rail 500 so as to drive the elastic element 400 to slide in the sliding groove 310; the edge of the lock cylinder cover 300 is provided with a clamping part 320; the cylinder cover 300 has a first working state and a second working state, and in the first working state, the cylinder cover 300 is clamped on the front panel 100 through the clamping part 320 to shield the cylinder hole 210; in the second operating state, at least a portion of the cylinder cover 300 abuts against the front panel 100 to expose the cylinder hole 210.

The embodiment of the application comprises a cylinder cover 300, an elastic element 400 and a guide rail 500, wherein a sliding groove 310 for the elastic element 400 to slide is formed in the inner side surface of the cylinder cover 300, and the arrangement direction of the sliding groove 310 is consistent with that of the guide rail 500. In the first working state, that is, when mechanical unlocking is not required, the cylinder cover 300 is stably clamped on the front panel 100 by the cooperation of the elastic member 400 and the clamping portion 320, so as to shield the cylinder hole 210. The arrangement of the clamping portion 320 can ensure that the lock cylinder cover 300 cannot be separated from the front panel 100 when being supported by the elastic member 400. In the second working state, that is, when mechanical unlocking is required, the cylinder cover 300 is pressed, the elastic member 400 is compressed, the cylinder cover 300 retracts to the inner side of the front panel 100, and then a force in accordance with the direction in which the guide rail 500 is arranged is applied to the cylinder cover 300, so that the cylinder cover 300 slides along the guide rail 500 and drives the elastic member 400 to slide in the slide groove 310 in the opposite direction until the cylinder hole 210 is completely exposed. The elastic member 400 provides a variable elastic support for the cylinder cover 300 to meet the matching requirement between the cylinder cover 300 and the front panel 100 in different states. The lock cylinder cover 300 provided by the embodiment of the application has the advantages of few components, simplicity in assembly and low cost. The time consumption is low correspondingly during the later maintenance, and the maintenance cost is low. It will be appreciated that the cylinder cover 300 includes other operating conditions in addition to the first and second operating conditions described above. Such as: the cylinder cover 300 slides to an operating state where the cylinder hole 210 is not completely exposed.

The following description specifically describes the implementation details of the structure of the key cylinder cover 300 of the present embodiment, and the following description is provided only for the sake of understanding and is not necessary for implementing the present embodiment.

In one embodiment of the present application, the elastic member 400 includes a first end 410 and a second end 420 which are oppositely disposed, the first end 410 is slidably disposed in the cylinder cover 300, and the second end 420 is configured to be disposed on the rear panel 200; the first end 410 has a greater dimension parallel to the plane of the cylinder cover 300 than the second end 420. Wherein, the elastic member 400 includes a first end 410 and a second end 420, the size of the first end 410 is larger than that of the second end 420, and the larger size of the first end 410 can increase the area of the abutting surface 510 between the elastic member 400 and the cylinder cover 300, thereby providing a more stable supporting force for the cylinder cover 300; the smaller size of second end 420 reduces the inner diameter of receiving groove 221, thereby reducing space waste. In addition, the first end 410 may have a contour that is adapted to the inner contour of the sliding slot 310, so as to reduce the working wear caused by the non-uniform contour of the two, and to improve the user's hand feeling.

It should be noted that, by sliding one end of the elastic member 400 in the sliding groove 310, the requirement of relative movement between the elastic member 400 and the cylinder cover 300 can be met without adding a sliding block. In other embodiments, a sliding block is further disposed at one end of the elastic member 400 connected to the sliding groove 310, and the sliding block is in surface contact with the sliding groove 310, so that the sliding block is easily worn during long-term use.

Specifically, the elastic member 400 is a tower-shaped spring, which is a damping spring and has the main characteristics of small volume, large load and variable stiffness, and is widely used in small-space and large-load occasions and damping devices. The tower-shaped spring applied in this embodiment not only satisfies the requirement of corresponding elastic support for the cylinder cover 300 under different working conditions, but also has the advantages of space saving and durability. Specifically, the tower-shaped spring has a small end fixed to the rear panel 200 via the connecting member 600 and a large end slidably disposed in the sliding groove 310.

Alternatively, the connecting member 600 may be a screw with a washer. The small end of the tower-shaped spring is fixed to the rear panel 200 by a screw with a washer.

In one embodiment of the present application, referring to fig. 6, the clamping portion 320 is a step structure located on the cylinder cover 300 near the side of the rear panel 200 and surrounding the edge of the cylinder cover 300 and extending outward. The cylinder cover 300 is clamped on the front panel 100 by a step structure to prevent the cylinder cover 300 from being separated from the front panel 100 when the force of the elastic member 400 is too large.

The cylinder cover 300 may be rectangular or oval in shape in consideration of reduced space occupation and provision of the slide groove. The oval-shaped lock cylinder cover 300 has no edges and corners, is more round, and is not easy to collide with and damage the front panel 100 when being matched with the front panel.

A second aspect of the embodiment of the present invention relates to a door lock, referring to fig. 3, 4 and 6, including a front panel 100, a rear panel 200, and a cylinder cover 300 structure as described above; a lock cylinder cover hole 110 is formed in the front panel 100 at a position close to the lock cylinder hole 210, and the lock cylinder cover 300 is clamped in the lock cylinder cover hole 110 through a clamping part 320; with the cylinder cover 300 closed, the cylinder cover 300 is snapped into the cylinder cover hole 110, and the outer side surface of the cylinder cover 300 is flush with the outer side surface of the front panel 100.

When the cylinder cover 300 is closed, the cylinder cover 300 is embedded in the cylinder cover hole 110 and covers the cylinder, and the outer surface of the cylinder cover 300 is flush with the outer surface of the front panel 100, so that the cylinder cover 300 and the front panel 100 are combined into a whole, and the integrity and the attractiveness of the front panel 100 are ensured; meanwhile, the concealment of the lock cylinder cover 300 and the lock cylinder is stronger, and the whole structure of the door lock is more compact and attractive. It can be understood that, in the present embodiment, a groove corresponding to the thickness of the front panel 100 is further provided on the side of the cylinder cover 300 close to the rear panel 200, and the groove is located between the outer surface of the cylinder cover 300 and the clamping portion 320 for accommodating the thickness of the front panel 100, so as to ensure that the outer surface of the cylinder cover 300 is flush with the outer surface of the front panel 100 when the cylinder cover 300 is clamped in the cylinder cover hole 110.

In one embodiment of the present application, referring to fig. 4, the guide rail 500 is disposed in the accommodating chamber 220 in a vertical direction; the guide rail 500 starts at a position close to the cylinder hole 210, extends downward to pass through the cylinder hole 210, and ends at a position distant from the cylinder hole 210; when the cylinder cover 300 is at the terminus, the cylinder hole 210 is exposed and at least a portion of the cylinder cover 300 is exposed from within the cylinder cover hole 110, as shown in fig. 5. The vertical guide rail 500 can reduce the size of the door lock in the transverse direction, and reduce the redundant design. In addition, the lock cylinder hole 210 is used as a starting point for sliding the lock cylinder cover 300, and extends downwards to form an end point, and the lock cylinder cover 300 moves between the starting point and the end point of the guide rail 500, namely, the lock cylinder hole 210 is exposed by adopting a mode of sliding the lock cylinder cover 300 downwards, so that the operation habit of most users is better met. In addition, in a state where the cylinder hole 210 is completely exposed, at least a part of the cylinder cover 300 is also exposed from the cylinder cover hole 110, so that it is convenient for a user to apply a force to the cylinder cover 300 after the mechanical unlocking is completed, thereby urging the cylinder cover 300 to be reset.

In one embodiment of the present application, the guide rail 500 includes an abutment surface 510 in sliding contact with the cylinder cover 300, and the abutment surface 510 is gradually close to the rear panel 200 from the start point to the end point. The abutting surface 510 is gradually close to the rear panel 200 from the start point to the end point, that is, the abutting surface 510 of the guide rail 500 has a small distance from the front panel 100 at the start point position and a large distance from the front panel 100 at the end point position. When mechanical unlocking is needed, the lock cylinder cover 300 is forced to move towards the terminal point, at the moment, the lock cylinder cover 300 gradually leaves the lock cylinder cover hole 110, the distance between the guide rail and the front panel 100 is gradually increased, and therefore a large space is provided for the lock cylinder cover 300 to retract to the inner side of the front panel 100; after the mechanical unlocking, the space between the matching guide rail and the front panel 100 is gradually reduced and the lock cylinder cover 300 is more easily reset to the lock cylinder cover hole 110 by applying force.

Specifically, the guide rail 500 may be attached to the inner side of the front panel 100 at the receiving cavity 220, or may be attached to the inner side of the rear panel 200 at the receiving cavity 220. Wherein, the guide rails 500 are respectively provided at both sides of the cylinder cover 300 along the sliding direction of the cylinder cover 300 to provide stable guidance for the movement of the cylinder cover 300.

In one embodiment of the present application, the receiving cavity 220 protrudes to a side away from the front panel 100 to form a receiving groove 221, and the receiving groove 221 is used for receiving at least a part of the elastic member 400. The setting of holding tank 221 can be spacing to the bottom of elastic component 400, in order to guarantee the gliding in-process of lock core lid 300 on guided way 500, elastic component 400 slides in spout 310 more steadily, and then improves relative motion's between lock core lid 300 and the elastic component 400 stability, reliability, avoid making the elastic component 400 distortion because of the too fierce application of force when pressing lock core lid 300, and then lead to elastic component 400 to deviate from in the spout 310 and cause this lock core lid 300 structure failure. In the case that the elastic member 400 is a tower-shaped spring, the small end of the tower-shaped spring is fixed in the receiving groove 221 by a screw with a washer. The inner diameter of the receiving groove 221 may be identical to the diameter of the large end of the tower-shaped spring so as to receive the tower-shaped spring which is deformed. In the present embodiment, the rear panel 200 is recessed inward to form the receiving cavity 220, so that other positions of the rear panel 200 without the recess can be tightly matched with the front panel 100 while saving space.

In one of the embodiments of the present application, referring to fig. 1, the front panel 100 includes an inner side surface facing the rear panel 200, the inner side surface is provided with chamfers 120 on opposite sides of the cylinder head hole 110, and the chamfers 120 are distributed in a moving direction of the cylinder head 300. The front panel 100 with the chamfer 120 can make the lock cylinder cover 300 retract into the lock cylinder cover hole 110 after being pressed, and the smoothness and pause feeling of the lock cylinder cover are better and the use hand feeling of a user is improved in the process of resetting to be clamped on the lock cylinder cover hole 110.

Optionally, the chamfer 120 provided on the front panel 100 is angled at 45 °.

A third aspect of embodiments of the present invention relates to a door, including a door lock as described above.

It will be understood by those skilled in the art that the foregoing embodiments are specific examples of the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in its practical application.

Claims (10)

1. The utility model provides a lock cylinder lid structure, is applied to the lock, the lock includes front panel and back panel, the front panel encloses with the back panel and becomes to be used for accomodating the lock cylinder hole with the chamber that holds of lock cylinder lid structure, its characterized in that includes: the lock cylinder cover, the elastic piece and the guide rail;

the lock cylinder cover comprises an inner side surface facing the rear panel, a sliding groove is formed in the inner side surface, the arrangement direction of the sliding groove is consistent with that of the guide rail, one end of the elastic piece is arranged in the sliding groove in a sliding mode, the other end of the elastic piece is arranged on the rear panel in a sliding mode, the lock cylinder cover slides on the guide rail, and therefore the elastic piece is driven to slide in the sliding groove;

the edge of the lock cylinder cover is provided with a clamping part;

the lock cylinder cover is provided with a first working state and a second working state, and the lock cylinder cover is clamped on the front panel through the clamping part in the first working state so as to shield the lock cylinder hole; in the second working state, at least part of the lock cylinder cover abuts against the front panel to expose the lock cylinder hole.

2. The cylinder cover arrangement of claim 1, wherein the resilient member includes first and second oppositely disposed ends, the first end being slidably disposed within the cylinder cover and the second end being adapted to be disposed on the rear panel;

the dimension of the first end in a plane parallel to the cylinder cover is greater than the dimension of the second end in a plane parallel to the cylinder cover.

3. The cylinder cap structure according to claim 2, wherein the elastic member is a tower-shaped spring, and a small end of the tower-shaped spring is adapted to be fixed to the rear panel by a connecting member.

4. The cylinder cover structure according to any one of claims 1 to 3, wherein the catching portion is a step structure located on a side of the cylinder cover close to the rear panel and surrounding an edge of the cylinder cover and extending outward.

5. A door lock comprising a front panel, a rear panel, and a cylinder cover structure according to any one of claims 1 to 4;

a lock cylinder cover hole is formed in the position, close to the lock cylinder hole, of the front panel, and the lock cylinder cover is clamped in the lock cylinder cover hole through the clamping part;

under the condition that the lock cylinder cover is closed, the lock cylinder cover is clamped in the lock cylinder cover hole, and the outer side surface of the lock cylinder cover is flush with the outer side surface of the front panel.

6. The door lock of claim 5, wherein the guide rail is disposed in a vertical direction within the receiving cavity;

the guide rail takes a position close to the lock cylinder hole as a starting point, extends downwards to pass through the lock cylinder hole and takes a position far away from the lock cylinder hole as an end point;

when the lock cylinder cover is positioned at the end point, the lock cylinder hole is exposed, and at least part of the lock cylinder cover is exposed from the lock cylinder cover hole.

7. The door lock of claim 6, wherein the guide rail includes an abutment surface in sliding contact with the cylinder cover, the abutment surface being gradually closer to the rear panel from the start point to the end point.

8. The door lock of claim 5, wherein the receiving cavity protrudes to a side away from the front panel to form a receiving groove for receiving at least a portion of the resilient member.

9. The door lock according to any one of claims 5 to 8, wherein the front panel comprises an inner side surface facing the rear panel, the inner side surface being provided with chamfers on opposite sides of the cylinder head hole, and the chamfers being distributed along a moving direction of the cylinder head.

10. A door comprising a door lock according to any one of claims 5 to 9.

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