Portable door lock device

Abstract

The utility model relates to the technical field of door locks, in particular to a portable door lock device which comprises an L-shaped holding rod upper end, a bolt, two side plates and a round door rod, the round door rod is fixedly welded to one side wall of a door body, the two side plates are fixed to the two sides of one side wall of a door frame respectively, the bolt is arranged between the two side plates, and the round door rod is fixedly welded to the other side wall of the door frame. The two ends of the door bolt penetrate through through holes formed in the outer walls of the two side plates correspondingly and are fixedly connected with circular iron blocks, and the middle of the outer wall of the door bolt is sleeved with the upper end of an L-shaped holding rod. When the door is locked, the L-shaped holding rod is manually held to be lifted to rotate clockwise, the door is pushed at the moment, the circular door rod moves towards the door frame, when the circular door rod makes contact with the door frame, the L-shaped holding rod is manually held to be put down to rotate anticlockwise, and therefore the circular door rod is limited between the L-shaped holding rod and the door frame through the L-shaped holding rod, and locking of the door is completed. According to the structure, the door can be locked by hand-cranking the position of the L-shaped holding rod, and operation is convenient.

Description

Technical Field

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

[0002] At present, the existing manual door locks include bolt-type door locks and entry-type door locks. The bolt-type door locks require both hands to open and close the door, which is inconvenient to operate and has the risk of pinching fingers. With frequent opening and closing, there are many accessories, which are very easy to damage the bolt accessories. Another type of entry-type door lock, that is, the bolt is directly inserted into the hole on the side of the door to lock the door. With long-term operation of closing and opening, the diameter of the hole on the side of the door will become larger and larger. Over time, the gap between the door and the door frame will become wider and wider, and the side of the door will also break, resulting in the inability to lock the door. For this reason, a convenient door lock device is provided, which realizes simple door locking operation, does not damage the door, and does not cause the risk of pinching fingers. At the same time, it also reduces the occupied area of ​​the door lock, making the overall area around the door more elegant and symmetrical. Utility Model Content

[0003] The purpose of the utility model is to provide a convenient door lock device, which solves the problems raised in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a convenient door lock device, comprising an L-shaped grip rod upper end, a door bolt, a side plate, and a circular door rod, wherein the circular door rod is fixedly welded to one side wall of the door body, and the number of the side plates is two, and the two side plates are respectively fixed to both sides of one side wall of the door frame, and a door bolt is arranged between the two side plates, and the two ends of the door bolt respectively pass through the through holes opened in the outer walls of the two side plates and are fixedly connected with a circular iron block, and the upper end of the L-shaped grip rod is mounted in the middle of the outer wall of the door bolt.

[0005] By adopting the above technical solution, the upper end of the hand-cranked L-shaped handle is lifted and rotated 90° clockwise. When the upper end of the L-shaped handle is parallel to the horizontal, the door body is manually pushed to move the circular door rod toward the position of the side panel and the door frame. When the circular door rod contacts the door frame, the upper end of the hand-cranked L-shaped handle is rotated 90° counterclockwise to complete the door locking.

[0006] As a preferred embodiment of the utility model, a through hole is opened on the side wall of the upper end of the L-shaped grip rod, the middle part of the door bolt passes through the through hole, the middle outer diameter of the door bolt is smaller than the inner diameter of the through hole opened on the outer wall of the side plate, and the inner wall of the through hole is arranged in contact with the outer wall of the middle part of the door bolt.

[0007] By adopting the above technical solution, this design can keep the position of the upper end of the L-shaped handle rod in the middle of the side plate, and the door bolt and the upper end of the L-shaped handle rod can rotate around the side plate.

[0008] As a preferred embodiment of the present utility model, the tail end of the upper end of the L-shaped grip rod is fixedly connected to a horizontally protruding column at the lower end of the L-shaped grip rod.

[0009] By adopting the above technical solution, when the horizontally protruding column part at the lower end of the L-shaped handle contacts the door frame, the middle column at the upper end of the L-shaped handle is in a vertical straight state, that is, the upper end part of the upper end of the L-shaped handle is in a vertical state, and the distance from the overlapping position of the door bolt and the upper end of the L-shaped handle to the top end of the upper end of the L-shaped handle plus the distance of the circular door rod is equal to the horizontal distance between the upper end of the L-shaped handle and the door frame. Such a distance setting is for the convenience of opening and closing the door lock.

[0010] As a preferred embodiment of the present utility model, a rubber pad is fixedly glued to the end surface of the horizontally protruding column at the lower end of the L-shaped grip rod corresponding to the door frame.

[0011] By adopting the above technical solution and setting the rubber pad, when the horizontal protruding column at the lower end of the L-shaped grip rod is rotated to fit the door frame, it can avoid impact on the door frame and thus avoid wear.

[0012] As a preferred embodiment of the utility model, the outer diameter of the circular iron block is larger than the inner diameter of the through hole formed in the outer wall of the side plate.

[0013] By adopting the above technical solution, the end of the door bolt can be effectively limited to avoid slipping and ensure the stability of the door bolt.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] The technical solution of the present application is a convenient door lock device. The present invention can firmly restrain the door rod through the L-shaped design of the grip rod, thereby completing the door locking action. The operation is relatively simple and there is no risk of pinching fingers. Since the core main active component has only the L-shaped grip rod and is a single structure, the problem of damage to a large number of door lock accessories can be solved. The only part that contacts the door is the circular door rod, and the two are in a related fixed welding relationship, so the problem that traditional door locks are easy to damage the door can be solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0017] Figure 1 This is a schematic diagram of the overall structure of the convenient door lock device of the utility model;

[0018] Figure 2 This is a schematic diagram of the door frame surface structure of the convenient door lock device of the utility model;

[0019] Figure 3 It is a partially enlarged structural schematic diagram of the convenient door lock device of the utility model.

[0020] In the figure:

[0021] 1. Door body; 2. Round door rod; 3. Door frame; 4. Upper end of L-shaped handle; 5. Door bolt; 6. Round iron block; 7. Horizontal protruding column at the lower end of L-shaped handle; 8. Side panel. DETAILED DESCRIPTION

[0022] See also Figure 1-3 The utility model provides a technical solution: a convenient door lock device, including an L-shaped handle upper end 4, a bolt 5, a side plate 8, a door frame 3, and a circular door rod 2, wherein the circular door rod 2 is fixedly welded to a side wall of the door body 1, and side plates 8 are fixed on both sides of a side wall of the door frame 3, and a bolt 5 is arranged between the two side plates 8. The bolt 5 passes through the through holes opened in the outer walls of the two side plates 8, and the bolt 5 passes through the upper end part of the L-shaped handle upper end 4. The bolt 5 passes through the two ends of the side plate 8 and is fixedly connected with a circular iron block 6, and the diameter of the circular iron block 6 is larger than the diameter of the outer wall of the side plate 8. The diameter of the through hole, the side wall of the upper end 4 of the L-shaped grip rod is provided with a through hole, the bolt 5 passes through the through hole, the diameter of the central column part of the bolt 5 is smaller than the diameter of the through hole provided on the outer wall of the side plate 8, the inner wall of the through hole is fitted to the outer wall of the central column of the bolt 5, this design can keep the position of the upper end 4 of the L-shaped grip rod in the middle of the side plate 8, and the bolt 5 and the upper end 4 of the L-shaped grip rod can rotate around the side plate 8, and the tail end of the upper end 4 of the L-shaped grip rod is fixedly connected to the horizontal protruding column 7 at the lower end of the L-shaped grip rod, and a rubber pad is fixed to one end of the horizontal protruding column 7 at the lower end of the L-shaped grip rod corresponding to the door frame;

[0023] like Figure 2 As shown, the upper end 4 of the hand-cranked L-shaped handle is lifted and rotated 90° clockwise. When the upper end 4 of the L-shaped handle is kept parallel to the horizontal, the door body 1 is manually pushed to move the circular door rod 2 toward the position of the side plate 8 and the door frame 3. When the circular door rod 2 contacts the door frame 3, the upper end 4 of the hand-cranked L-shaped handle is rotated 90° counterclockwise. At this time, the horizontal protruding column 7 at the lower end of the L-shaped handle contacts the door frame 3, and the horizontal height of the circular door rod 2 is lower than the height of the top part of the upper end 4 of the L-shaped handle, so the circular door rod 2 is restricted to the middle position between the upper end 4 of the L-shaped handle and the door frame 3, completing the door locking action.

[0024] like Figure 3As shown, it should be noted that when the horizontally protruding column 7 at the lower end of the L-shaped grip bar contacts the door frame 3, the middle column of the upper end 4 of the L-shaped grip bar is in a vertical straight line state, that is, the upper end of the upper end 4 of the L-shaped grip bar is in a vertical state, and the distance from the position where the door bolt 5 overlaps with the upper end 4 of the L-shaped grip bar to the top of the upper end 4 of the L-shaped grip bar plus the distance of the circular door rod 2 is equal to the horizontal distance between the upper end 4 of the L-shaped grip bar and the door frame 3. Such a distance setting is for the convenience of opening and closing the door lock;

[0025] like Figure 2 , 3 As shown, when the circular door rod 2 is restricted in the middle position between the upper end 4 of the L-shaped handle and the door frame 3, if the door needs to be opened, it is only necessary to manually lift the upper end 4 of the L-shaped handle and rotate it 90° clockwise, and then pull the circular door rod 2 away from the door frame to complete the door opening action.

[0026] To sum up, this kind of convenient door lock device is suitable for a variety of scenarios, such as equipment door locks, furniture door locks, livestock door locks, etc. It solves the problems of complicated operation, easy finger pinching, and easy door damage. The L-shaped handle design in the above embodiment only requires lifting and lowering to complete the door locking and unlocking actions, so the operation is relatively simple and suitable for most people.

[0027] In addition, the components included in the portable door lock device of the utility model are all universal standard parts or components known to those skilled in the art, and the structures and principles thereof can be known to those skilled in the art through technical manuals or conventional experimental methods.

Claims

1. A convenient door lock device, comprising an L-shaped handle upper end (4), a door bolt (5), a side plate (8), and a circular door rod (2), characterized in that: The circular door rod (2) is fixedly welded to a side wall of the door body (1), and there are two side panels (8). The two side panels (8) are respectively fixed to the two sides of a side wall of the door frame (3), and a door bolt (5) is arranged between the two side panels (8). The two ends of the door bolt (5) respectively pass through the through holes opened on the outer walls of the two side panels (8) and are fixedly connected with a circular iron block (6). The upper end of an L-shaped grip rod (4) is mounted in the middle of the outer wall of the door bolt (5).

2. A portable door lock device according to claim 1, characterized in that: A through hole is formed in the side wall of the upper end (4) of the L-shaped grip rod, and the middle part of the door bolt (5) passes through the through hole. The outer diameter of the middle part of the door bolt (5) is smaller than the inner diameter of the through hole formed in the outer wall of the side plate (8), and the inner wall of the through hole is arranged to fit the outer wall of the middle part of the door bolt (5).

3. A portable door lock device according to claim 1, characterized in that: The tail end of the upper end (4) of the L-shaped gripping rod is fixedly connected to a horizontally protruding column (7) at the lower end of the L-shaped gripping rod.

4. A portable door lock device according to claim 3, characterized in that: A rubber pad is fixedly glued to the end surface of a horizontally protruding column (7) at the lower end of the L-shaped grip rod corresponding to the door frame (3).

5. A portable door lock device according to claim 1, characterized in that: The outer diameter of the circular iron block (6) is greater than the inner diameter of the through hole formed on the outer wall of the side plate (8).

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