Locking mechanism for side opening door

Abstract

The utility model discloses a locking mechanism for a side door and a method thereof, and belongs to the technical field of door cover closing and locking. The locking mechanism comprises a box body, a side door is rotatably arranged at the top of the box body, an opening and closing mechanism used for opening or closing the side door is arranged between the box body and the side door, and a locking mechanism I is arranged on a door frame of the box body; locking seats I are arranged on the left side and the right side of a lower cross beam of the side door, the locking mechanisms I and the locking seats I are matched to lock the side door, and the left-right direction and the opening direction of the side door are limited; locking seats II are arranged on vertical beams on the left side and the right side of the side door, locking mechanisms II are arranged on a left vertical beam and a right vertical beam of a side door frame of the box body, and the locking mechanisms II and the locking seats II are matched to lock the side door and limit the opening direction of the side door.

Description

Technical Field

[0001] The utility model belongs to the technical field of door cover closing and locking, and in particular relates to a locking mechanism for a side-opening door. Background Art

[0002] At present, when the side door cover is closed and locked, since only a manual lock buckle is designed, it needs to be locked manually. However, in actual practice, people often forget to lock the side door cover, resulting in the door cover not being closed tightly during transportation or use.

[0003] The Chinese patent with publication number CN212689791U and publication date 2021.03.12 discloses a side door cover closing self-locking mechanism, including a chassis body and a side door cover hinged to the chassis body by a hinge, characterized in that: the side door cover is provided with a hand-operated lock buckle that cooperates with the side door cover for transverse sliding, a transverse spring for sliding and resetting the hand-operated lock buckle, an automatic lock buckle that cooperates with the side door cover for longitudinal sliding, and a longitudinal spring for sliding and resetting the automatic lock buckle, the hand-operated lock buckle and the automatic lock buckle are connected by an inclined contact, and the automatic lock buckle is locked with the chassis body when resetting upward. The side door cover closing self-locking mechanism has the disadvantage of unreliable locking. Utility Model Content

[0004] The purpose of the present utility model is to solve the above-mentioned deficiencies in the prior art. The purpose of the present utility model is to provide a locking mechanism for a side-opening door. The locking mechanism I cooperates with the locking seat I to lock the side door, and limits the left and right directions and the opening direction of the side door; the locking mechanism II cooperates with the locking seat II to lock the side door, and limits the opening direction of the side door; the locking mechanism for a side-opening door provided by the utility model is more reliable.

[0005] The purpose of this utility model is achieved through the following technical solutions:

[0006] A locking mechanism for a side-opening door comprises a box body, a side door is rotatably arranged on the top of the box body, an opening and closing mechanism for opening or closing the side door is arranged between the box body and the side door, a locking mechanism I is arranged on the door frame of the box body, locking seats I are arranged on the left and right sides of the lower cross beam of the side door, the locking mechanism I cooperates with the locking seat I to lock the side door, and limits the left and right directions and the opening direction of the side door; locking seats II are arranged on the vertical beams on the left and right sides of the side door, and locking mechanisms II are arranged on the left and right vertical beams of the box body, the locking mechanism II cooperates with the locking seat II to lock the side door, and limits the opening direction of the side door.

[0007] Preferably, the side door is hinged to the top of the box body through a side door hinge.

[0008] Preferably, the opening and closing mechanism includes a cylinder seat I, a cylinder seat II and a side door cylinder, the cylinder seat I is fixed to the side of the box, the cylinder seat II is fixed to the side of the side door, and the side door cylinder is installed between the cylinder seat I and the cylinder seat II, and the side door is opened and closed by the extension and retraction of the side door cylinder.

[0009] Preferably, the opening and closing mechanism includes a mounting seat I, a mounting seat II and an electric telescopic member for the side door, the mounting seat I is fixed to the side of the box body, the mounting seat II is fixed to the side of the side door, and the telescopic member for the side door is installed between the mounting seat I and the mounting seat II, and the side door is opened and closed by the telescopic member for the side door.

[0010] Preferably, limit plates are provided on both the left and right sides of the side door.

[0011] Preferably, the limiting plate extends out of the left and right end surfaces of the side door to ensure that the outer side surface of the side door is flush with the side surface of the box body after closing.

[0012] Preferably, the locking seat I adopts a U-shaped structure.

[0013] Preferably, the locking seat II adopts a right-angled trapezoidal structure.

[0014] Preferably, the locking mechanism I and locking mechanism II both include a locking cylinder, a mounting seat and a locking tongue, the cylinder rod end of the locking cylinder is connected to the locking tongue, a locking hole is provided in the mounting seat, and the locking cylinder slides along the locking hole of the mounting seat through the extension and retraction of the locking cylinder.

[0015] Preferably, the mounting seat is a rectangular structure, the locking hole is a square hole, and the locking tongue is a rectangular structure.

[0016] The beneficial effects of this technical solution are as follows:

[0017] 1. The locking mechanism for a side-opening door provided by the utility model, the locking mechanism I cooperates with the locking seat I to lock the side door, and limits the left and right directions and the opening direction of the side door; the locking mechanism II cooperates with the locking seat II to lock the side door, and limits the opening direction of the side door; the locking mechanism for a side-opening door provided by the utility model is more reliable.

[0018] 2. The locking mechanism for the side door provided by the utility model and the setting of the opening and closing mechanism facilitate the opening or closing of the side door.

[0019] 3. The locking mechanism for the side door provided by the utility model and the setting of the limit plate ensure that the outer side surface of the side door is flush with the side surface of the box body after closing. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2for Figure 1 Sectional view at AA in the middle;

[0022] Figure 3 for Figure 1 Sectional view at the middle BB;

[0023] Figure 4 for Figure 1 Sectional view at CC;

[0024] Figure 5 It is a side view of the utility model;

[0025] Figure 6 It is a structural schematic diagram of the utility model when the side door is opened;

[0026] In the figure: 1. Box body; 2. Limit plate; 3. Locking seat I; 4. Side door; 5. Locking mechanism I; 6. Locking seat II; 7. Locking mechanism II; 8. Cylinder seat I; 9. Side door cylinder; 10. Cylinder seat II; 11. Side door hinge. DETAILED DESCRIPTION

[0027] The present invention is further described in detail below in conjunction with the embodiments, but the implementation manner of the present invention is not limited thereto.

[0028] Example 1

[0029] like Figure 1-Figure 6 As shown, a locking mechanism for a side-opening door comprises a box body 1, a side door 4 is rotatably arranged on the top of the box body 1, an opening and closing mechanism for opening or closing the side door 4 is arranged between the box body 1 and the side door 4, a locking mechanism Ⅰ5 is arranged on the door frame of the box body 1, locking seats Ⅰ3 are arranged on the left and right sides of the lower cross beam of the side door 4, the locking mechanism Ⅰ5 cooperates with the locking seat Ⅰ3 to lock the side door 4, and limits the left and right directions and the opening direction of the side door 4; locking seats Ⅱ6 are arranged on the vertical beams on the left and right sides of the side door 4, and locking mechanisms Ⅱ7 are arranged on the left and right vertical beams of the box body 1, the locking mechanism Ⅱ7 cooperates with the locking seat Ⅱ6 to lock the side door 4, and limits the opening direction of the side door 4.

[0030] Example 2

[0031] The difference between this embodiment and embodiment 1 is that the side door 4 is hinged to the top of the box body 1 through a side door hinge 11 .

[0032] Among them, the opening and closing mechanism includes a cylinder seat I8, a cylinder seat II10 and a side door cylinder 9, the cylinder seat I8 is fixed on the side of the box body 1, the cylinder seat II10 is fixed on the side of the side door 4, and the side door cylinder 9 is installed between the cylinder seat I8 and the cylinder seat II10, and the side door 4 is opened and closed by the extension and contraction of the side door cylinder 9.

[0033] Wherein, limit plates 2 are arranged on both the left and right sides of the side door 4 .

[0034] The limiting plate 2 extends out of the left and right end surfaces of the side door 4 to ensure that the outer side surface of the side door 4 is flush with the side surface of the box body 1 after closing.

[0035] The locking seat Ⅰ3 adopts a U-shaped structure with its opening facing the outside of the box body 1; the locking mechanism Ⅰ5 is arranged vertically, located below the locking seat Ⅰ3 and coincident with its axis.

[0036] The locking seat II 6 adopts a right-angled trapezoidal structure, with its hypotenuse facing outwards and the side door frame of the box body 1.

[0037] Among them, the locking mechanism I5 and the locking mechanism II7 both include a locking cylinder, a mounting seat and a locking tongue. The cylinder rod end of the locking cylinder is connected to the locking tongue. A locking hole is arranged in the mounting seat, and the locking cylinder slides along the locking hole of the mounting seat through the extension and retraction of the locking cylinder.

[0038] Among them, the mounting seat is a rectangular structure, the locking hole is a square hole, and the locking tongue is a rectangular structure.

[0039] The beneficial effects of this technical solution are as follows:

[0040] 1. The locking mechanism for a side-opening door provided by the utility model, the locking mechanism Ⅰ5 cooperates with the locking seat Ⅰ3 to lock the side door 4, and limits the left and right directions and the opening direction of the side door 4; the locking mechanism Ⅱ7 cooperates with the locking seat Ⅱ6 to lock the side door 4, and limits the opening direction of the side door 4; the locking mechanism for a side-opening door provided by the utility model is more reliable.

[0041] 2. The locking mechanism for the side door provided by the utility model and the setting of the opening and closing mechanism facilitate the opening or closing of the side door 4.

[0042] 3. The locking mechanism for the side door provided by the utility model, the setting of the limit plate 2 ensures that the outer side surface of the side door 4 is flush with the side surface of the box body 1 after closing.

[0043] Example 3

[0044] The difference between this embodiment and embodiment 2 is that the opening and closing mechanism includes a mounting seat I, a mounting seat II and a side door telescopic member, the mounting seat I is fixed to the side of the box body 1, the mounting seat II is fixed to the side of the side door 4, the side door telescopic member is installed between the mounting seat I and the mounting seat II, and the side door 4 is opened and closed by telescoping the side door telescopic member. The side door telescopic member adopts an electric telescopic rod.

[0045] Finally, it should be noted that the above embodiments are only used to illustrate rather than limit the technical solution of the present invention. Although the present invention is described in detail with reference to the above embodiments, those skilled in the art should understand that the present invention can still be modified or replaced by equivalents. Any modification or partial replacement that does not depart from the spirit and scope of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A locking mechanism for a side door, comprising a box body (1), a side door (4) being rotatably arranged at the top of the box body (1), an opening and closing mechanism for opening or closing the side door (4) being arranged between the box body (1) and the side door (4), characterized in that: A locking mechanism I (5) is provided on the door frame of the box body (1); locking seats I (3) are provided on both left and right sides of the lower cross beam of the side door (4); the locking mechanism I (5) cooperates with the locking seat I (3) to lock the side door (4) to limit the left and right directions and the opening direction of the side door (4); locking seats II (6) are provided on both left and right vertical beams of the side door (4); locking mechanisms II (7) are provided on both left and right vertical beams of the box body (1); the locking mechanism II (7) cooperates with the locking seat II (6) to lock the side door (4) to limit the opening direction of the side door (4).

2. The locking mechanism for a side-opening door according to claim 1, characterized in that: The side door (4) is hinged to the top of the box body (1) via a side door hinge (11).

3. The locking mechanism for a side-opening door according to claim 1, characterized in that: The opening and closing mechanism comprises a cylinder seat I (8), a cylinder seat II (10) and a side door cylinder (9); the cylinder seat I (8) is fixed to the side of the box body (1); the cylinder seat II (10) is fixed to the side of the side door (4); the side door cylinder (9) is installed between the cylinder seat I (8) and the cylinder seat II (10); and the side door (4) is opened and closed by extending and retracting the side door cylinder (9).

4. The locking mechanism for a side-opening door according to claim 1, characterized in that: The opening and closing mechanism comprises a mounting seat I, a mounting seat II and a side door telescopic member, wherein the mounting seat I is fixed to the side of the box body (1), the mounting seat II is fixed to the side of the side door (4), and the side door (4) telescopic member is installed between the mounting seat I and the mounting seat II, and the side door (4) is opened and closed by telescoping the side door telescopic member.

5. The locking mechanism for a side-opening door according to claim 1, characterized in that: Limiting plates (2) are provided on both the left and right sides of the side door (4).

6. The locking mechanism for a side-opening door according to claim 5, characterized in that: The limit plate (2) extends out of the left and right end surfaces of the side door (4) to ensure that the outer side surface of the side door (4) is flush with the side surface of the box body (1) after closing.

7. The locking mechanism for a side-opening door according to claim 1, characterized in that: The locking seat I (3) adopts a U-shaped structure.

8. The locking mechanism for a side-opening door according to claim 1, characterized in that: The locking seat II (6) adopts a right-angled trapezoidal structure.

9. The locking mechanism for a side-opening door according to claim 1, characterized in that: The locking mechanism I (5) and the locking mechanism II (7) both comprise a locking cylinder, a mounting seat and a locking tongue. The cylinder rod end of the locking cylinder is connected to the locking tongue. A locking hole is arranged in the mounting seat. The locking cylinder slides along the locking hole of the mounting seat through the extension and retraction of the locking cylinder.

10. The locking mechanism for a side-opening door according to claim 9, characterized in that: The mounting seat is a rectangular structure, the locking hole is a square hole, and the locking tongue is a rectangular structure.

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