A mechanical door lock

Abstract

The utility model discloses a mechanical door lock, which relates to the technical field of door locks; it comprises a door frame, wherein a door panel is intermittently clamped inside the door frame, a locking mechanism is installed inside the door panel at one end close to the door frame and is intermittently clamped with the door frame, a transmission mechanism is installed inside a mounting groove and is transmission-connected with the locking mechanism, a driving mechanism is installed inside the door panel at a side away from the door frame and is slidingly matched with the transmission mechanism; the driving mechanism is used to provide reciprocating rotational power for the transmission mechanism; the beneficial effects of the utility model are: the mechanical door lock can not only perform conventional opening and closing functions, but also the device can conveniently realize the clamping and fixing of the door panel and the door frame through the driving mechanism, the transmission mechanism and the locking mechanism, thereby improving the convenience of the device; and the driving mechanism has an automatic resetting function, which can not only realize automatic clamping and locking when the door panel and the door frame are closed, but also improve the stability and practicality of the device.

Description

Technical Field

[0001] The utility model relates to the technical field of door locks, in particular to a mechanical door lock. Background Art

[0002] Mechanical door locks are more common door locks in life. They use mechanical structures and matching keys to open and close the door. The design structure is ingenious. Primitive mechanical locks appeared in my country thousands of years ago. Engineering vehicles are the backbone of a construction project. Their appearance has doubled the progress of the construction project and greatly reduced manpower. In actual use, engineering vehicles cannot be separated from the use of door locks, so a mechanical door lock is needed.

[0003] In the prior art, most devices can be used as conventional locks, but most devices are cumbersome to operate during long-term use, and often cannot be automatically locked when closed, which not only reduces the convenience of the device, but also affects the stability and practicality of the device. Utility Model Content

[0004] The purpose of the utility model is to provide a mechanical door lock to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A mechanical door lock, comprising:

[0007] a door frame, wherein a door panel is intermittently clamped inside the door frame; and

[0008] A locking mechanism, which is installed inside the door panel at one end close to the door frame and is intermittently engaged with the door frame; the locking mechanism is used to install and lock the door panel inside the door frame;

[0009] A transmission mechanism, which is installed inside the mounting groove and is in transmission connection with the locking mechanism; and is used to provide rotational power for the locking mechanism;

[0010] The driving mechanism is installed on a side of the door panel away from the door frame and is slidably matched with the transmission mechanism; the driving mechanism is used to provide reciprocating rotational power for the transmission mechanism and has an automatic reset effect.

[0011] As a further solution of the utility model: the locking mechanism includes:

[0012] An incomplete threaded shaft, wherein the incomplete threaded shaft is symmetrically arranged and rotatably connected to two ends of one side of the door panel close to the door frame; and

[0013] Moving blocks, the moving blocks are symmetrically arranged and threadedly connected to the outer side surfaces of the incomplete threaded shafts on both sides, and are slidably connected to the inside of the door panel;

[0014] The clamping rods are respectively fixedly connected to the opposite sides of the moving blocks at both ends, and are slidably connected to the inside of the door panel, and are intermittently clamped with the door frame, and do not interfere with the incomplete threaded shaft.

[0015] As a further solution of the utility model: the transmission mechanism includes:

[0016] A driven gear, wherein the driven gear is fixedly connected to the ends of the incomplete threaded shafts at both ends facing each other;

[0017] The rotating shaft is rotatably connected to the inside of the door panel, and one end of the rotating shaft close to the driven gear is fixedly connected to the driving gear, and the driving gear and the driven gears on both sides are meshed with each other.

[0018] As a further solution of the utility model: the driving mechanism includes:

[0019] A sliding plate, wherein the sliding plate is slidably connected to a side of the door panel close to the rotating shaft, and a handle is fixedly connected to a side of the sliding plate away from the rotating shaft; and

[0020] A fixed frame, the fixed frame is fixedly connected to a side of the sliding plate away from the handle, and both ends of the side of the fixed frame away from the sliding plate are fixedly connected to fixed sliding shafts, and the fixed sliding shafts are slidably connected to the inside of the outer side surface of the rotating shaft;

[0021] A return spring is arranged at intervals and fixedly connected between a side of the return spring away from the handle and an inner side surface of the door panel.

[0022] As a further solution of the utility model: a mounting groove is provided on one side of the inner side of the door panel, and the mounting groove is used to install the driving mechanism;

[0023] An accommodating groove is provided inside one end of the clamping rod close to the moving block, and the accommodating groove is used to accommodate the incomplete threaded shaft to avoid interference;

[0024] Both ends of the door frame are provided with clamping grooves, and the clamping grooves are intermittently clamped with the clamping rods;

[0025] The outer side surface of the rotating shaft is provided with a track groove, the track groove is slidably matched with the fixed sliding shaft, and the track grooves on both sides are staggeredly arranged in an arc shape.

[0026] Compared with the prior art, the beneficial effects of the utility model are: the mechanical door lock can not only perform conventional opening and closing functions, but the device can also conveniently realize the clamping and fixing of the door panel and the door frame through the driving mechanism, the transmission mechanism and the locking mechanism, thereby improving the convenience of the device; and the driving mechanism has an automatic reset function, which can not only realize automatic clamping and locking when the door panel and the door frame are closed, but also improve the stability and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A schematic diagram of the structure of a mechanical door lock provided in this embodiment.

[0028] Figure 2 A mechanical door lock provided in this embodiment Figure 1 A partial enlarged schematic diagram of the structure at point A in the middle.

[0029] Figure 3 A mechanical door lock provided in this embodiment Figure 1 A partial enlarged schematic diagram of the structure at point B in the middle.

[0030] In the figure: door panel-1, mounting groove-2, sliding plate-3, handle-4, return spring-5, clamping rod-6, accommodating groove-7, moving block-8, door frame-9, incomplete threaded shaft-10, driven gear-11, rotating shaft-12, driving gear-13, clamping groove-14, fixing frame-15, track groove-16, fixed sliding shaft-17. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] See also Figures 1 to 3 , an embodiment of the utility model provides a mechanical door lock, the mechanical door lock comprising:

[0033] A door frame 9, wherein a door panel 1 is intermittently connected to the interior of the door frame 9; and the door panel 1 is also used to install a driving mechanism, a transmission mechanism and a locking mechanism; and

[0034] A locking mechanism, which is installed inside the door panel 1 at one end close to the door frame 9 and is intermittently engaged with the door frame 9; the locking mechanism is used to conveniently install and fix the door panel 1 inside the door frame 9;

[0035] A transmission mechanism, which is installed inside the mounting groove 2 and is in transmission connection with the locking mechanism; and is used to provide rotational power for the locking mechanism;

[0036] The driving mechanism is installed on a side of the door panel 1 away from the door frame 9 and is slidably matched with the transmission mechanism; the driving mechanism is used to provide reciprocating rotational power for the transmission mechanism and has an automatic reset effect.

[0037] See also Figure 1 , Figure 3 In one embodiment of the present utility model, the locking mechanism comprises:

[0038] An incomplete threaded shaft 10, wherein the incomplete threaded shaft 10 is symmetrically arranged and rotatably connected to both ends of one side of the door panel 1 close to the door frame 9; the incomplete threaded shaft 10 can rotate inside the door panel 1; and

[0039] The moving block 8 is symmetrically arranged to be threadedly connected to the outer side surfaces of the incomplete threaded shaft 10 on both sides, and is slidably connected to the inside of the door panel 1; under the action of the threaded connection, the rotation of the incomplete threaded shaft 10 can drive the moving block 8 to slide up and down inside the door panel 1;

[0040] The clamping rod 6 is fixedly connected to the opposite side of the moving blocks 8 at both ends, and is slidably connected to the inside of the door panel 1, and is intermittently clamped with the door frame 9, and does not interfere with the incomplete threaded shaft 10; the movement of the moving blocks 8 at both ends can drive the clamping rods 6 at both ends to slide inside the door panel 1, and during the movement of the clamping rods 6 at both ends, they can enter the inside of the door frame 9 and clamp with the door frame 9, so that the door panel 1 can be clamped and fixed inside the door frame 9, and during the movement of the clamping rods 6 driven by the moving blocks 8, the clamping rods 6 always do not interfere with the incomplete threaded shaft 10.

[0041] See also Figure 1 to Figure 2 In one embodiment of the present utility model, the transmission mechanism comprises:

[0042] A driven gear 11, wherein the driven gear 11 is fixedly connected to the ends of the incomplete threaded shafts 10 facing each other; the rotation of the driven gear 11 can drive the incomplete threaded shafts 10 to rotate accordingly; and

[0043] The rotating shaft 12 is rotatably connected to the inside of the door panel 1, and the driving gear 13 is fixedly connected to one end of the rotating shaft 12 close to the driven gear 11, and the driving gear 13 is meshed with the driven gears 11 on both sides; the rotating shaft 12 can rotate inside the door panel 1, thereby driving the driving gear 13 to rotate accordingly, and then under the meshing action, it can drive the driven gears 11 at both ends to rotate synchronously.

[0044] See also Figure 1 to Figure 2 In one embodiment of the present utility model, the driving mechanism comprises:

[0045] A sliding plate 3, wherein the sliding plate 3 is slidably connected to a side of the door panel 1 close to the rotating shaft 12, and a handle 4 is fixedly connected to a side of the sliding plate 3 away from the rotating shaft 12; the handle 4 can drive the sliding plate 3 to slide inside the door panel 1; and

[0046] A fixed frame 15, the fixed frame 15 is fixedly connected to the side of the sliding plate 3 away from the handle 4, and both ends of the fixed frame 15 away from the sliding plate 3 are fixedly connected to fixed sliding shafts 17, and the fixed sliding shafts 17 are slidably connected to the inside of the outer side surface of the rotating shaft 12; the movement of the sliding plate 3 can drive the fixed frame 15 to move accordingly, thereby driving the fixed sliding shafts 17 on both sides to move accordingly, and then the fixed sliding shafts 17 on both sides can slide in the track groove inside the outer side surface of the rotating shaft 12, thereby driving the rotating shaft 12 to rotate accordingly;

[0047] The return spring 5 is arranged at intervals and fixedly connected between the side of the return spring 5 away from the handle 4 and the inner side of the door panel 1; the movement of the sliding plate 3 can drive the return spring 5 to be stretched, so that under the reaction of the return spring 5, the sliding plate 3 can be driven to return to its initial state.

[0048] See also Figures 1 to 3 In one embodiment of the utility model, a mounting groove 2 is provided on one side of the inner side of the door panel 1, and the mounting groove 2 is used to install the driving mechanism;

[0049] An accommodating groove 7 is provided inside one end of the clamping rod 6 close to the moving block 8, and the accommodating groove 7 is used to accommodate the incomplete threaded shaft 10, so as to avoid interference between the clamping rod 6 and the incomplete threaded shaft 10 during the movement;

[0050] Both ends of the door frame 9 are provided with a clamping groove 14, and the clamping groove 14 is intermittently clamped with the clamping rod 6; the clamping rod 6 can enter the clamping groove 14 and clamp with the clamping groove 14 during the movement, so that the clamping rod 6 can be clamped and fixed inside the door frame 9, and then the door panel 1 can be clamped and fixed inside the door frame 9;

[0051] A track groove 16 is provided on the outer side of the rotating shaft 12, and the track groove 16 is slidably matched with the fixed sliding shaft 17, and the track grooves 16 on both sides are arranged in an arc shape and staggered; the fixed sliding shaft 17 can slide inside the track groove 16 during the movement, thereby driving the rotating shaft 12 to rotate accordingly.

[0052] The working principle of the utility model is:

[0053] Under normal conditions, the clamping rods 6 at both ends are clamped and fixed in the clamping grooves 14 inside the door frame 9, so that the door panel 1 and the door frame 9 are in a closed state. When the door panel 1 needs to be opened, the staff can drive the sliding plate 3 to slide in the mounting groove 2 inside the door panel 1 through the handle 4, thereby driving the fixing frame 15 to move accordingly, and then driving the fixed sliding shafts 17 on both sides to move accordingly. During the movement, the fixed sliding shaft 17 can slide in the track groove 16 on the outer side of the rotating shaft 12, thereby driving the rotating shaft 12 to rotate inside the door panel 1, and driving the driving gear 13 to rotate, and then under the meshing action, it can drive the driven gears 11 at both ends to rotate synchronously. Under the action of the threaded connection, It can drive the moving blocks 8 at both ends to slide toward each other inside the door panel 1 at the same time, thereby driving the clamping rods 6 at both ends to slide inside the door panel 1, and move out of the clamping groove 14 inside the door frame 9 and release the clamping state with the door frame 9. In the process of movement of the clamping rod 6, the accommodating groove 7 always does not interfere with the incomplete threaded shaft 10, and then the door panel 1 and the door frame 9 can be released from the clamping state, and then they can be opened and closed freely. In the process of movement of the sliding plate 3, the reset spring 5 can be stretched, so that under the reaction of the reset spring 5, the sliding plate 3 can be driven to return to the initial state, and then can automatically return to the clamping state when the door panel 1 and the door frame 9 are closed, and has good stability.

[0054] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A mechanical door lock, characterized in that: The mechanical door lock comprises: a door frame, wherein a door panel is intermittently clamped inside the door frame; and A locking mechanism, which is installed inside the door panel at one end close to the door frame and is intermittently engaged with the door frame; the locking mechanism is used to install and lock the door panel inside the door frame; A transmission mechanism, which is installed inside the mounting groove and is in transmission connection with the locking mechanism; and is used to provide rotational power for the locking mechanism; The driving mechanism is installed on a side of the door panel away from the door frame and is slidably matched with the transmission mechanism; the driving mechanism is used to provide reciprocating rotational power for the transmission mechanism and has an automatic reset effect.

2. The mechanical door lock according to claim 1, characterized in that: The locking mechanism comprises: An incomplete threaded shaft, wherein the incomplete threaded shaft is symmetrically arranged and rotatably connected to two ends of one side of the door panel close to the door frame; and Moving blocks, the moving blocks are symmetrically arranged and threadedly connected to the outer side surfaces of the incomplete threaded shafts on both sides, and are slidably connected to the inside of the door panel; The clamping rods are respectively fixedly connected to the opposite sides of the moving blocks at both ends, and are slidably connected to the inside of the door panel, and are intermittently clamped with the door frame, and do not interfere with the incomplete threaded shaft.

3. The mechanical door lock according to claim 2, characterized in that: The transmission mechanism comprises: A driven gear, wherein the driven gear is fixedly connected to the ends of the incomplete threaded shafts at both ends facing each other; The rotating shaft is rotatably connected to the inside of the door panel, and one end of the rotating shaft close to the driven gear is fixedly connected to the driving gear, and the driving gear and the driven gears on both sides are meshed with each other.

4. The mechanical door lock according to claim 3, characterized in that: The driving mechanism comprises: A sliding plate, wherein the sliding plate is slidably connected to a side of the door panel close to the rotating shaft, and a handle is fixedly connected to a side of the sliding plate away from the rotating shaft; and A fixed frame, the fixed frame is fixedly connected to a side of the sliding plate away from the handle, and both ends of the side of the fixed frame away from the sliding plate are fixedly connected to fixed sliding shafts, and the fixed sliding shafts are slidably connected to the inside of the outer side surface of the rotating shaft; A return spring is arranged at intervals and fixedly connected between a side of the return spring away from the handle and an inner side surface of the door panel.

5. The mechanical door lock according to claim 4, characterized in that: An installation groove is provided on one side of the inner part of the door panel, and the installation groove is used to install the driving mechanism; An accommodating groove is provided inside one end of the clamping rod close to the moving block, and the accommodating groove is used to accommodate the incomplete threaded shaft to avoid interference; Both ends of the door frame are provided with clamping grooves, and the clamping grooves are intermittently clamped with the clamping rods; The outer side surface of the rotating shaft is provided with a track groove, the track groove is slidably matched with the fixed sliding shaft, and the track grooves on both sides are staggeredly arranged in an arc shape.

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