Door lock structure convenient to disassemble and replace

Abstract

The utility model relates to the technical field of door locks, in particular to a door lock structure convenient to disassemble and replace, which comprises a door lock and a bottom plate, the bottom plate is attached to one side of the door lock, side plates are mounted on one side of the bottom plate and located at the top and the bottom of the door lock, and bolts penetrating through the bottom plate to be connected with an external door plate are arranged at two ends of each side plate. The door lock structure comprises a side plate and a bottom plate, limiting mechanisms used for fixing a door lock are arranged in the side plate and the bottom plate, the door lock comprises a shell, a rotating rod is rotationally installed on the other side of the shell, a handle is installed on the side, extending out of the shell, of the rotating rod, and a rotating disc is installed at the other end, located in the shell, of the rotating rod. The door lock is fixed through the limiting mechanism, when the door lock breaks down or is damaged, one push plate slides, the other push plate is driven to slide through the first transmission rod and the second transmission rod, the two limiting blocks are separated from the door lock, fixation of the door lock is relieved, the door lock can be detached and replaced by sliding the door lock, the steps are simple, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to door lock technical field, concretely is a door lock structure of convenient dismounting and replacement. BACKGROUND

[0002] In the market due to the large flow, the use frequency of the working toilet is more, and the door lock of the public toilet is prone to failure and damage, which needs maintenance personnel to replace frequently.

[0003] Through the search, Chinese patent discloses a quick installation and dismounting door lock (CN221119527U), the door lock is stably fixed on the door plate through the first door lock fixing assembly, prevents the door lock from loosening or shaking in the use process, maintains the stability and reliability of the door lock, and the second door lock fixing assembly further improves the firmness of the door lock installation, ensures that the door lock can be stably connected together with the door plate, avoids displacement of the door lock in the use process, and prevents the door lock from being easily removed or damaged, but the first door lock fixing assembly and the second door lock fixing assembly adopt adjusting bolts and connecting rods to fix the door lock, and the dismounting steps are relatively cumbersome and not convenient, therefore, we propose a door lock structure convenient to dismount and replace. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the present application is that the dismounting steps are relatively cumbersome and not convenient.

[0005] To solve the above technical problems, the application provides a door lock structure convenient to dismount and replace, which comprises a door lock and a bottom plate, one side of the bottom plate is attached to the door lock, a side plate is installed on one side of the bottom plate and located at the top and bottom of the door lock, bolts penetrating through the bottom plate are arranged at both ends of the side plate and connected with the outer door plate, a limiting mechanism for fixing the door lock is arranged in the inside of the side plate and the bottom plate.

[0006] In some embodiments, the door lock comprises a shell, a rotating rod is rotatably installed on the other side of the shell, a handle is installed on one side of the rotating rod extending out of the shell, a rotating disc is installed on the other end of the rotating rod in the inside of the shell, a lock tongue is slidingly installed on one end of the shell, a guide block is installed on one side of the lock tongue in the inside of the shell, and an arc-shaped hole with a size matched with the guide block is formed on one side of the rotating disc.

[0007] In some embodiments, the guide block is in a cylindrical shape, and one end of the arc-shaped hole is inclinedly arranged towards the center of the rotating disc.

[0008] In some embodiments, the limiting mechanism comprises a push plate slidingly installed in the middle of the two side plates, the push plate extends out of the side plate on one side, a limiting block is installed on one side of the push plate approaching each other, the limiting block extends out of one side of the push plate, and limiting grooves with sizes matched with the limiting blocks are formed on the top and bottom of the shell.

[0009] In some embodiments, the other side of the push plate extending into the interior of the bottom plate is rotatably connected with a first transmission rod, and a second transmission rod is hingedly connected between the two first transmission rods, and a connecting rod is rotatably connected to the center of one side of the second transmission rod, and one side of the connecting rod is rotatably connected with the interior of the bottom plate.

[0010] In some embodiments, the two first transmission rods are parallel to each other.

[0011] In some embodiments, a fixed cylinder is mounted on the interior of the bottom plate and outside the connecting rod, and a volute spring is elastically connected between the fixed cylinder and the connecting rod.

[0012] The utility model at least has the following beneficial effects:

[0013] When the door lock fails or is damaged, one of the push plates is slid, the other push plate is slid by the first transmission rod and the second transmission rod, the two limiting blocks are separated from the door lock, the fixation of the door lock is released, the door lock can be disassembled and replaced by sliding the door lock, the steps are simple, and the utility model is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic view of the utility model embodiment 1;

[0015] Figure 2 It is the whole structure explosion map of the utility model embodiment 1;

[0016] Figure 3 It is the internal structure section view of the utility model door lock;

[0017] Figure 4 It is the internal structure section view of the utility model embodiment 1 bottom plate and side plate;

[0018] Figure 5 It is the utility model Figure 4 It is the structure enlarged view of A place in the utility model;

[0019] Figure 6 It is the whole novel structure schematic view of the utility model embodiment 2;

[0020] Figure 7 It is the internal structure section view of the utility model embodiment 2 bottom plate and side plate;

[0021] Figure 8 It is the winding cylinder installation position schematic view of the utility model embodiment 2.

[0022] In the figure: 1, door lock; 2, bottom plate; 3, side plate; 4, bolt; 5, limiting mechanism; 6, shell; 601, limiting groove; 7, rotating rod; 8, handle; 9, rotating disc; 901, arc-shaped hole; 10, lock tongue; 11, guide block; 12, push plate; 13, limiting block; 14, first transmission rod; 15, second transmission rod; 16, connecting rod; 17, fixing cylinder; 18, volute spring; 19, pull rope; 20, ball; 21, winding cylinder. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Embodiment 1

[0025] Please refer to Figures 1-5 The utility model provides a kind of technical solutions: a kind of door lock structure of easy disassembly replacement, including door lock 1 and bottom plate 2, door lock 1 includes shell 6, rotating installation is equipped with rotating rod 7 on the other side of shell 6, rotating rod 7 is installed with handle 8 on the side of shell 6, rotating rod 7 is installed with rotating disc 9 on the other end in shell 6 interior, sliding installation is equipped with lock tongue 10 in one end of shell 6, and lock box of size adaptation with lock tongue 10 is assembled on outer door frame, lock tongue 10 is installed with guide block 11 on the side in shell 6 interior, arc-shaped hole 901 of size adaptation with guide block 11 is set up on the side of rotating disc 9, the shape of guide block 11 is cylindrical, and one end of arc-shaped hole 901 is inclined to the center of rotating disc 9.

[0026] When using door lock 1, user holds handle 8 and rotates, handle 8 drives rotating rod 7 and rotating disc 9 to rotate, rotating disc 9 drives guide block 11 to slide through arc-shaped hole 901, guide block 11 drives lock tongue 10 to slide to the interior of door lock 1, so that lock tongue 10 is separated from lock box, to realize the opening of outer door plate.

[0027] The bottom plate 2 is attached to one side of the door lock 1, and the side plate 3 is installed on one side of the bottom plate 2 and located at the top and bottom of the door lock 1. The side plate 3 has a bolt 4 that penetrates the bottom plate 2 and connects with the outer door plate. The inside of the side plate 3 and the bottom plate 2 has a limiting mechanism 5 for fixing the door lock 1.

[0028] Further, the limiting mechanism 5 comprises push plates 12 slidingly installed at the middle portions of the two side plates 3, one side of each push plate 12 extending out of the side plate 3, and a limiting block 13 installed on the side of each push plate 12 close to each other, the limiting block 13 extending out of the side of each push plate 12, and a limiting slot 601 with a size matching that of the limiting block 13 being formed at the top and bottom of the shell 6.

[0029] The other side of each push plate 12 extending into the inside of the bottom plate 2 is rotatably installed with a first transmission rod 14, the two first transmission rods 14 are hingedly connected with a second transmission rod 15, the center of one side of the second transmission rod 15 is rotatably installed with a connecting rod 16, and one side of the connecting rod 16 is rotatably connected with the inside of the bottom plate 2.

[0030] The two first transmission rods 14 are parallel to each other, a fixed cylinder 17 is installed at the inside of the bottom plate 2 and outside of the connecting rod 16, and a volute spring 18 is elastically connected between the fixed cylinder 17 and the connecting rod 16. The volute spring 18 serves to limit the connecting rod 16.

[0031] When the door lock 1 is damaged, one of the push plates 12 is slid toward the side away from the door lock 1, and the one push plate 12 drives the other push plate 12 to slide relative to the other push plate 12 through the first transmission rod 14 and the second transmission rod 15, so that the two limiting blocks 13 are disengaged from the limiting slot 601 of the shell 6, thereby releasing the fixation of the door lock 1, and the door lock 1 can be disassembled by sliding.

[0032] Embodiment 2

[0033] Please refer to Figures 6-8 The utility model provides a technical scheme: on the basis of embodiment 1, another technical scheme is provided: the bottom end of the bottom side plate 3 is slidingly connected with a pull rope 19, the bottom end of the pull rope 19 is connected with a ball 20, the outside of the connecting rod 16 is installed with a winding drum 21, the winding drum 21 is located between the fixed cylinder 17 and the second transmission rod 15, the upper end of the pull rope 19 is wound on the outside of the winding drum 21, when the door lock 1 is damaged, the connecting rod 16 is driven to rotate by holding the ball 20 and pulling downward, the two limiting blocks 13 are disengaged from the limiting slot 601 of the shell 6 through the second transmission rod 15, the first transmission rod 14 and the push plate 12, thereby releasing the fixation of the door lock 1, and the door lock 1 can be disassembled by sliding.

[0034] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0035] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application.

Claims

1. A door lock structure which is easily replaced, characterized by: Including door lock (1) and bottom plate (2), one side of bottom plate (2) is attached with door lock (1), one side of bottom plate (2) and the top and bottom of door lock (1) are equipped with side plate (3), both ends of side plate (3) are equipped with bolt (4) penetrating bottom plate (2) and connecting with outer door plate, the inside of side plate (3) and bottom plate (2) are equipped with limiting mechanism (5) for fixing door lock (1).

2. The easily replaceable door lock structure according to claim 1, characterized in that: The door lock (1) includes a shell (6), the other side of the shell (6) is rotatably installed with a rotating rod (7), the rotating rod (7) extends out of the shell (6) and is installed with a handle (8), the other end of the rotating rod (7) inside the shell (6) is installed with a rotating disc (9), one end of the shell (6) is slidably installed with a latch (10), one side of the latch (10) inside the shell (6) is installed with a guide block (11), one side of the rotating disc (9) is provided with an arc-shaped hole (901) matching the size of the guide block (11).

3. The easily replaceable door lock structure according to claim 2, characterized in that: The guide block (11) is cylindrical, and one end of the arc-shaped hole (901) is inclined to the center of the rotating disc (9).

4. The easily replaceable door lock structure according to claim 2, characterized in that: The limiting mechanism (5) includes a push plate (12) slidably installed in the middle of the two side plates (3), one side of the push plate (12) extends out of the side plate (3), one side of the push plate (12) is installed with a limiting block (13), the limiting block (13) extends out of one side of the push plate (12), the top and bottom of the shell (6) are provided with limiting grooves (601) matching the size of the limiting block (13).

5. The easily replaceable door lock structure according to claim 4, characterized in that: The other side of the push plate (12) extends into the inside of the bottom plate (2) and is rotatably installed with a first transmission rod (14), the second transmission rod (15) is hingedly connected between the two first transmission rods (14), the connecting rod (16) is rotatably installed at the center of one side of the second transmission rod (15), and one side of the connecting rod (16) is rotatably connected with the inside of the bottom plate (2).

6. The easily replaceable door lock structure according to claim 5, characterized in that: The two first transmission rods (14) are parallel to each other.

7. The easily replaceable door lock structure according to claim 6, characterized in that: The inside of the bottom plate (2) and outside of the connecting rod (16) is installed with a fixing cylinder (17), and the fixing cylinder (17) and the connecting rod (16) are elastically connected with a spiral spring (18).

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