Wear-resistant pull bolt lock

Abstract

The wear-resistant pull bolt lock comprises a first mounting plate and a second mounting plate which are arranged in a spaced mode, the two sides of the first mounting plate are fixedly connected with first hole columns respectively, a lock bolt is arranged between the first hole columns, and the two ends of the lock bolt are in sliding connection with the first hole columns respectively. The middle part of the lock bolt is fixedly connected with a handle; the second mounting plate is fixedly connected with a second hole column matched with the lock bolt in a sliding mode, annular grooves are formed in the inner side wall of the first hole column and the inner side wall of the second hole column, and ball mechanisms are arranged in the annular grooves. According to the wear-resistant pull bolt lock provided by the utility model, the ball mechanisms are arranged in the annular grooves of the first hole column and the second hole column, and the steel balls of the ball mechanisms can rotate at any angle in the fixed retainer, so that sliding friction between the lock bolt and the first hole column and between the lock bolt and the second hole column is converted into rolling friction; and the contact area is reduced, so that the wear resistance is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of door locks, in particular to a wear-resistant pull-bolt lock. Background Art

[0002] At present, door locks are often installed on the gates of rural courtyards to ensure the safety of the courtyards. However, the existing door locks have poor wear resistance, the contact part between the hole column and the lock bolt is easily worn, and the service life is short.

[0003] Based on the above situation, the utility model proposes a wear-resistant pull bolt lock, which can effectively solve the above problems. Utility Model Content

[0004] The utility model aims to provide a wear-resistant pull bolt lock. The utility model provides a wear-resistant pull bolt lock, by arranging a ball mechanism in the annular groove of the first hole column and the second hole column, the steel ball of the ball mechanism can rotate at any angle in the fixed retaining frame, so that the sliding friction between the lock bolt and the first hole column and the second hole column is converted into rolling friction, and the contact area is reduced, thereby increasing the wear resistance.

[0005] The utility model is realized by the following technical solutions:

[0006] A wear-resistant pull-bolt lock comprises a first mounting plate and a second mounting plate which are arranged at intervals, wherein first hole columns are fixedly connected to both sides of the first mounting plate, a locking bolt is arranged between the first hole columns, both ends of the locking bolt are slidably connected to the first hole columns, and a handle is fixedly connected to the middle of the locking bolt; the second mounting plate is fixedly connected to a second hole column which cooperates with the locking bolt to slide, annular grooves are provided on the inner side walls of the first hole column and the second hole column, and a ball mechanism is arranged in the annular groove.

[0007] According to the above technical solution, as a further preferred technical solution of the above technical solution, the ball mechanism includes a plurality of steel balls, and the steel balls are installed in a fixed retaining frame, and two sides of the fixed retaining frame are respectively fixedly connected to the inner side walls of the annular groove.

[0008] According to the above technical solution, as a further preferred technical solution of the above technical solution, the handle is provided with an elongated hole.

[0009] According to the above technical solution, as a further preferred technical solution of the above technical solution, first mounting holes are respectively provided at four corners of the first mounting plate.

[0010] According to the above technical solution, as a further preferred technical solution of the above technical solution, second mounting holes are respectively opened on the upper and lower sides of the second mounting plate.

[0011] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0012] The utility model provides a wear-resistant pull-bolt lock, which arranges a ball mechanism in the annular grooves of the first hole column and the second hole column. The steel balls of the ball mechanism can rotate at any angle in the fixed retaining frame, so that the sliding friction between the lock bolt and the first hole column and the second hole column is converted into rolling friction, and the contact area is reduced, thereby increasing the wear resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the ball mechanism structure of the utility model. DETAILED DESCRIPTION

[0015] In order to enable those skilled in the art to better understand the technical solution of the utility model, the preferred implementation scheme of the utility model is described below in conjunction with specific embodiments. However, it should be understood that the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted. The positional relationship described in the drawings is only used for illustrative purposes and cannot be understood as a limitation on this patent.

[0016] A wear-resistant pull bolt lock comprises a first mounting plate 1 and a second mounting plate 2 arranged at intervals, wherein first holes 3 are fixedly connected to both sides of the first mounting plate 1, a locking bolt 4 is arranged between the first holes 3, both ends of the locking bolt 4 are slidably connected to the first holes 3, and a handle 5 is fixedly connected to the middle of the locking bolt 4; the second mounting plate 2 is fixedly connected to a second hole 6 that slides with the locking bolt 4, and the inner side walls of the first hole 3 and the second hole 6 are both provided with an annular groove 7, and a ball mechanism is arranged in the annular groove 7. The ball mechanism comprises a plurality of steel balls 8, and the steel balls 8 are installed in a fixed retaining frame 9, and the two sides of the fixed retaining frame 9 are fixedly connected to the inner side walls of the annular groove 7.

[0017] The utility model arranges a ball mechanism in the annular groove 7 of the first hole column 3 and the second hole column 6, and the steel ball 8 of the ball mechanism can rotate at any angle in the fixed retaining frame 9, so that the sliding friction between the locking bolt 4 and the first hole column 3 and the second hole column 6 is converted into rolling friction, and the contact area is reduced, thereby increasing the wear resistance.

[0018] Further, in another embodiment, the handle 5 is provided with an elongated hole 12. The elongated hole 12 is provided so that the lock tongue can pass through and the lock bolt 4 can be fixed by a padlock.

[0019] Furthermore, in another embodiment, first mounting holes 10 are respectively provided at four corners of the first mounting plate 1. The first mounting holes 10 are provided to facilitate the first mounting plate 1 to be installed on the door body.

[0020] Further, in another embodiment, second mounting holes 11 are respectively provided on the upper and lower sides of the second mounting plate 2. The second mounting holes 12 are provided to facilitate the second mounting plate 2 to be installed on the door body.

[0021] According to the description and drawings of the utility model, those skilled in the art can easily manufacture or use the wear-resistant pull-bolt lock of the utility model, and can produce the positive effects recorded in the utility model.

[0022] Unless otherwise specified, in the present invention, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating orientation or positional relationships are based on the orientation or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood in conjunction with the drawings and according to specific circumstances.

[0023] Unless otherwise specified and limited, in the present invention, the terms "disposed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. A wear-resistant pull bolt lock, characterized in that: The invention comprises a first mounting plate (1) and a second mounting plate (2) which are arranged at intervals, wherein first hole columns (3) are fixedly connected to both sides of the first mounting plate (1), a locking bolt (4) is arranged between the first hole columns (3), the two ends of the locking bolt (4) are respectively slidably connected to the first hole columns (3), and the middle part of the locking bolt (4) is fixedly connected to a handle (5); the second mounting plate (2) is fixedly connected to a second hole column (6) which cooperates with the locking bolt (4) to slide, the inner side walls of the first hole column (3) and the second hole column (6) are both provided with an annular groove (7), and a ball mechanism is arranged in the annular groove (7).

2. The wear-resistant pull bolt lock according to claim 1, characterized in that: The ball mechanism comprises a plurality of steel balls (8), wherein the steel balls (8) are mounted in a fixed retaining frame (9), and two sides of the fixed retaining frame (9) are respectively fixedly connected to the inner side walls of the annular groove (7).

3. The wear-resistant pull bolt lock according to claim 1, characterized in that: The handle (5) is provided with an elongated hole (12).

4. The wear-resistant pull bolt lock according to claim 1, characterized in that: The first mounting plate (1) is provided with first mounting holes (10) at four corners thereof.

5. The wear-resistant pull bolt lock according to claim 1, characterized in that: Second mounting holes (11) are respectively provided on the upper and lower sides of the second mounting plate (2).

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