Box body combined lock piece

Abstract

The utility model discloses a box body combination lock piece which comprises a lower fixing plate and an upper fixing plate, a connecting plate is rotationally installed in the middle of the top of the lower fixing plate through a hinge, a limiting plate is integrally formed on the top of the lower fixing plate, and a bent part is integrally formed on the top of the limiting plate through a bent transition section. A rectangular plate is fixedly mounted at the color temperature top of the upper fixing plate, and a limiting groove allowing the bent part to be clamped in is formed in the top of the rectangular plate; according to the structural design of the fixing plate and the upper fixing plate, the lower fixing plate is rotationally provided with the connecting plate through the hinge, and flexible linkage is facilitated; the limiting plate and the bent part are integrally formed, the structure is stable, the shape precision is high, and the box cover can be locked.

Description

Technical Field

[0001] This utility model relates to the field of box body accessories technology, and in particular to a box body combination lock. Background Technology

[0002] In the field of enclosure equipment, the locking structure between the enclosure lid and the enclosure body is a key component ensuring the safety, sealing, and ease of operation of the equipment. Traditional enclosure locks generally suffer from the following problems:

[0003] Complex structure and cumbersome operation: Some locks use screw fastening or multi-part combination structure, which requires tools to open and close, which is time-consuming and labor-intensive, and cannot meet the needs of rapid opening and closing.

[0004] With the increasing demands for enclosure performance in industrial equipment, logistics and transportation, and instrumentation, the market urgently needs a simple, reliable, easy-to-operate, and highly adaptable enclosure combination lock to address the shortcomings of traditional locks in terms of efficiency, stability, and versatility, and to meet the needs of modern production and usage scenarios. Utility Model Content

[0005] The purpose of this utility model is to provide a box-type combination lock to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the main technical solutions adopted by this utility model include:

[0007] A lock assembly for a box includes a lower fixed plate and an upper fixed plate. A connecting plate is rotatably mounted on the top center of the lower fixed plate via a hinge. A limiting plate is integrally formed on the top of the lower fixed plate. A curved portion is integrally formed on the top of the limiting plate via a bending transition section.

[0008] A rectangular plate is fixedly installed on the top of the upper fixed plate, and a limiting groove is opened on the top of the rectangular plate for the bending part to be inserted.

[0009] Preferably, the edges of the lower fixing plate and the upper fixing plate are provided with a plurality of mounting holes.

[0010] Preferably, a cylinder is fixedly installed on the outer wall of the connecting plate, and a pull tab is movably installed on the cylinder via a pin. The pull tab has an oblong hole.

[0011] Preferably, the outer walls of both the lower fixing plate and the upper fixing plate are integrally formed with arc-shaped protrusions.

[0012] Preferably, both the lower fixing plate and the upper fixing plate are welded with alignment plates. When the bent part is stuck inside the limiting groove, the two alignment plates fit together. Each alignment plate is provided with a through hole.

[0013] This utility model has at least the following beneficial effects:

[0014] Structural design of the fixed plate and the upper fixed plate: The lower fixed plate is mounted on the connecting plate by hinge rotation, which facilitates flexible linkage; the limiting plate and the bending part are integrally formed, the structure is stable and the shape is highly accurate, and the lid can be locked.

[0015] The rectangular plate and the limiting groove work together: the rectangular plate provides support for the limiting groove, and the limiting groove engages with the curved part to lock the lid. The structure is simple and the positioning is accurate.

[0016] The mounting holes facilitate the fixing of the lower and upper fixing plates to the enclosure and cover using bolts and other connectors, improving installation convenience and stability.

[0017] Linkage between the hand pull tab and the cylinder: The cylinder and the pin work together to make the hand pull tab move flexibly. The oblong hole makes it easy to adjust the pulling position. The hand pull tab can easily control the engagement and disengagement of the bent part and the limiting groove, making operation convenient.

[0018] The arc-shaped protrusion design increases the friction between the outer walls of the lower and upper fixing plates, making it easier to grip and operate. At the same time, the arc-shaped structure prevents sharp edges from scratching people, thus improving safety.

[0019] The functions of the alignment plate and the through hole: When the bent part is locked, the alignment plate fits together to assist in positioning and ensure the accurate position of the component; the through hole facilitates the insertion of pins and other fasteners for further fixation, enhancing the structural stability after locking. Attached Figure Description

[0020] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0021] Figure 1 This is a schematic diagram of the structure of this utility model;

[0022] Figure 2 This is an enlarged view of part A in the structural schematic diagram of this utility model.

[0023] Explanation of icon numbers:

[0024] 100. Lower fixing plate; 110. Connecting plate; 120. Limiting plate; 121. Bending transition section; 122. Bending part; 130. Cylindrical part; 140. Hand pull piece; 141. Waist-shaped hole; 200. Upper fixing plate; 210. Rectangular plate; 211. Limiting groove; 220. Arc-shaped protrusion; 300. Mounting hole; 400. Alignment plate; 410. Through hole. Detailed Implementation

[0025] The following will describe in detail the implementation of this application with reference to the accompanying drawings and embodiments, so that the implementation process of how this application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0026] Please refer to Figures 1 to 2 As shown in the embodiment of this utility model, a box assembly lock includes a lower fixing plate 100 and an upper fixing plate 200. A connecting plate 110 is rotatably mounted on the top center of the lower fixing plate 100 via a hinge. A limiting plate 120 is integrally formed on the top of the lower fixing plate 100. A bent portion 122 is integrally formed on the top of the limiting plate 120 via a bending transition section 121.

[0027] A rectangular plate 210 is fixedly installed on the top of the upper fixed plate 200. The top of the rectangular plate 210 has a limiting groove 211 for the bending part 122 to be inserted. The connecting plate 110 is installed by rotating the hinge so that the connecting plate 110 can rotate flexibly and is easy to link with other components. The integrally formed limiting plate 120 and bending part 122 have a stable structure. The bending transition section 121 is used to ensure the shape accuracy. The bending part 122 is locked inside the limiting groove 211 to lock the lid.

[0028] The lower fixing plate 100 and the upper fixing plate 200 have several mounting holes 300 on their edges. The mounting holes 300 facilitate the lower fixing plate 100 and the upper fixing plate 200 to be fixedly installed to the box body and the box cover respectively by bolts and other connecting parts, thereby improving the convenience and stability of installation.

[0029] A cylinder 130 is fixedly installed on the outer wall of the connecting plate 110. A pull plate 140 is movably installed on the cylinder 130 via a pin. The pull plate 140 has an oblong hole 141. The cylinder 130 and the pin cooperate to allow the pull plate 140 to move flexibly. The engagement and disengagement of the bent part 122 and the limiting groove 211 can be easily controlled by the pull plate 140, making operation convenient.

[0030] Both the lower fixing plate 100 and the upper fixing plate 200 have an integrally formed arc-shaped protrusion 220 on their outer walls. The arc-shaped protrusion 220 can increase the friction of the outer walls of the lower fixing plate 100 and the upper fixing plate 200, making it easier for construction personnel to hold and operate. At the same time, the arc design can prevent sharp edges from scratching personnel and improve safety.

[0031] Alignment plates 400 are welded onto both the lower fixing plate 100 and the upper fixing plate 200. When the bent part 122 is locked inside the limiting groove 211, the two alignment plates 400 fit together. Each alignment plate 400 has a through hole 410. The welded alignment plates 400 fit together when the bent part 122 is locked, which can help with positioning and ensure that the lower fixing plate 100 and the upper fixing plate 200 are accurately positioned. The through holes 410 facilitate the insertion of pins and other components to further fix the alignment plates 400 and enhance the structural stability after locking.

[0032] In summary, the structural design of the lock assembly of this box is as follows: the lower fixing plate 100 and the upper fixing plate 200 are designed such that the lower fixing plate 100 is mounted on the connecting plate 110 by means of a hinge, which facilitates flexible linkage; the limiting plate 120 and the bending part 122 are integrally formed, which results in a stable structure and high shape accuracy, and can achieve the locking of the box lid.

[0033] The rectangular plate 210 and the limiting groove 211 cooperate: the rectangular plate 210 provides support for the limiting groove 211, and the limiting groove 211 engages with the bending part 122 to lock the lid. The structure is simple and the positioning is accurate.

[0034] The mounting hole 300 is designed to facilitate the fixing of the lower fixing plate 100 and the upper fixing plate 200 to the box body and box cover by bolts and other connecting parts, thereby improving the convenience and stability of installation.

[0035] Linkage between the pull plate 140 and the cylinder 130: The cylinder 130 and the pin make the pull plate 140 move flexibly. The waist-shaped hole 141 makes it easy to adjust the pulling position. The engagement and disengagement of the bent part 122 and the limiting groove 211 can be easily controlled through the pull plate 140, making operation convenient.

[0036] The design of the arc-shaped protrusion 220 increases the friction of the outer walls of the lower fixing plate 100 and the upper fixing plate 200, making it easier to grip and operate. At the same time, the arc-shaped structure avoids sharp edges from scratching people, thus improving safety.

[0037] The functions of the alignment plate 400 and the through hole 410 are as follows: When the bent part 122 is locked, the alignment plate 400 fits together to assist in positioning and ensure the accurate position of the component; the through hole 410 facilitates the insertion of pins and other fasteners for further fixation, thereby enhancing the structural stability after locking.

[0038] The foregoing description illustrates and describes several preferred embodiments of the present invention. However, as previously stated, it should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the inventive concept described herein through the foregoing teachings or techniques or knowledge in related fields. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.

Claims

1. A combination lock for a box, characterized in that, It includes a lower fixing plate (100) and an upper fixing plate (200). A connecting plate (110) is rotatably mounted on the top center of the lower fixing plate (100) via a hinge. A limiting plate (120) is integrally formed on the top of the lower fixing plate (100). A bent portion (122) is integrally formed on the top of the limiting plate (120) via a bending transition section (121). A rectangular plate (210) is fixedly installed on the top of the upper fixing plate (200) for color temperature. The top of the rectangular plate (210) is provided with a limiting groove (211) for the bending part (122) to be inserted.

2. The case combination lock according to claim 1, characterized in that: The edges of the lower fixing plate (100) and the upper fixing plate (200) are provided with a plurality of mounting holes (300).

3. A lock assembly for a housing according to claim 2, characterized in that: A cylinder (130) is fixedly installed on the outer wall of the connecting plate (110). A pull plate (140) is movably installed on the cylinder (130) via a pin. A waist-shaped hole (141) is provided on the pull plate (140).

4. A lock assembly for a housing according to claim 1, characterized in that: The outer walls of both the lower fixing plate (100) and the upper fixing plate (200) are integrally formed with arc-shaped protrusions (220).

5. A lock assembly for a housing according to claim 1, characterized in that: Alignment plates (400) are welded on both the lower fixing plate (100) and the upper fixing plate (200). When the bent part (122) is stuck inside the limiting groove (211), the two alignment plates (400) fit together. Each alignment plate (400) has a through hole (410).

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