Sliding door lock mechanism of shielding door

Abstract

The utility model relates to the technical field of shielding doors, and discloses a sliding door lock mechanism of a shielding door, which comprises a fixed frame, two sliding rails are respectively arranged on the upper frame wall and the lower frame wall of the fixed frame, and two sliding mechanisms are respectively connected in the four sliding rails in a sliding mode. Shielding door frames are jointly and fixedly connected between the four sliding mechanisms on the front side and between the four sliding mechanisms on the rear side, glass doors are jointly installed between the upper frame walls and the lower frame walls of the two shielding door frames, and the middles of the left ends and the middles of the right ends of the two shielding door frames are each fixedly connected with two door lock frames; buffering pads are fixedly connected to the upper portion, the lower portion, the upper portion and the lower portion of the left frame wall of the fixing frame in a penetrating and inserting mode. According to the sliding door lock mechanism of the shielding door, through the arrangement of the locking block, firm locking of the shielding door can be achieved, the locking stability of the door is improved, through the arrangement of the sliding mechanism, the shielding door can slide smoothly, and the using effect is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of shielding doors, in particular to a sliding door lock mechanism for shielding doors. Background Art

[0002] Electromagnetic shielding technology is an important part of electromagnetic compatibility technology and the most effective means to suppress radiation interference. When building cabinets, shielded rooms, communication cabins, and microwave darkrooms, shielded doors are the main way of electromagnetic leakage and the main factor that determines the performance of shielded rooms. Electromagnetic shielding doors are the most critical shielding components of shielding equipment and the main access for staff and equipment. There are at least the following disadvantages in the use of existing shielding doors: 1. In actual use, the existing shielding doors will reduce the locking stability and locking efficiency of the shielding doors due to the small contact area between the lock body and the arc surface; 2. After long-term use, the existing shielding doors are prone to sliding problems during sliding, which affects the use effect of the sliding door and reduces its practicality. Therefore, we introduce a shielding door sliding door lock mechanism. Utility Model Content

[0003] The main purpose of the utility model is to provide a sliding door lock mechanism for a shielding door, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A shielding door sliding door lock mechanism, comprising a fixed frame, the upper frame wall and the lower frame wall of the fixed frame are each provided with two sliding tracks, two sliding mechanisms are slidably connected in the four sliding tracks, a shielding door frame is commonly fixedly connected between the four sliding mechanisms on the front side and the four sliding mechanisms on the rear side, a glass door is commonly installed between the upper frame wall and the lower frame wall of the two shielding door frames, two door lock frames are fixedly connected at the middle of the left end and the middle of the right end of the two shielding door frames, the upper part of the left frame wall, the lower part of the left frame wall and the upper part of the right frame wall of the fixed frame A buffer pad is inserted and fixedly connected to the lower part of the left and right frame walls, a locking block is inserted and fixedly connected to the middle part of the left and right frame walls of the fixed frame, an adjustment cavity is arranged inside the two locking blocks, two lock frame grooves are provided on the upper and lower cavity walls of the two adjusting cavities, an adjustment mechanism is inserted and movably connected between the middle part of the front cavity wall and the middle part of the rear cavity wall of the two adjusting cavities, two door lock blocks are inserted and fixedly connected to the upper and lower ends of the two adjusting mechanisms, and springs are fixedly connected between the four corners of the opposite surfaces of the two door lock blocks corresponding to the upper and lower sides.

[0006] Preferably, the adjustment mechanism includes an adjustment rod, the front end and the rear end of the adjustment rod are fixedly connected to an adjustment handle, the outer front part and the outer rear part of the adjustment rod are wrapped with adjustment ropes, one end and the other end of the two adjustment ropes are interspersed and fixedly connected with fixed blocks, and the two fixed blocks are respectively interspersed and fixedly connected with corresponding door lock blocks, and the outer front part and the outer rear part of the adjustment rod are respectively interspersed and movably connected with the front cavity wall and the rear cavity wall of the adjustment cavity through bearings.

[0007] Preferably, the door lock block is slidably connected to the corresponding lock frame groove, and the sum of the heights of the two door lock blocks is smaller than the height of the adjustment cavity, and the door lock frame is configured as an L-shaped structure.

[0008] Preferably, the sliding mechanism includes a sliding block, a plurality of slots are provided on the outer surface of the sliding block, sliding balls are movably connected in the plurality of slots, a receiving groove is provided in the middle of the lower end of the sliding block, a plurality of sliding rollers are movably connected between the front groove wall and the rear groove wall of the receiving groove through a movable shaft, and the upper end of the sliding block is fixedly connected to the lower end of the shielding door frame.

[0009] Preferably, the sliding block and the sliding track are both configured as convex structures, and the lower end surface of the sliding block is higher than the lower end surface of the sliding roller, and the outer surfaces of the plurality of sliding balls and the outer surfaces of the plurality of sliding rollers are in contact with the inner wall of the sliding track.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] 1. In the utility model, by setting the locking block and the adjusting mechanism, the two door lock blocks are pushed outward by the elasticity of the spring, so that the door lock block is inserted into the L-shaped door lock frame for fixed limit, which can increase the contact surface and realize the firm locking of the shielding door, thereby improving the locking stability of the shielding door and also improving the locking efficiency of the shielding door;

[0012] 2. In the utility model, a sliding mechanism is provided, the sliding block slides in the sliding track, and then a plurality of sliding balls roll in coordination with a plurality of sliding rollers, so that the sliding block can slide smoothly in the sliding track, making it less likely for the shielding door to get stuck or become unsmooth during sliding, thereby enhancing the use effect of the shielding door and improving its practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of a sliding door lock mechanism for a shield door of the utility model;

[0014] Figure 2 It is a schematic cross-sectional structure diagram of a locking block of a sliding door lock mechanism of a shield door according to the utility model;

[0015] Figure 3 This is a schematic diagram of the overall structure of an adjustment mechanism of a sliding door lock mechanism for a shielding door of the utility model;

[0016] Figure 4 The utility model is a schematic diagram of the overall structure of a sliding mechanism of a sliding door lock mechanism of a shielding door.

[0017] In the figure: 1. fixed frame; 2. sliding track; 3. sliding mechanism; 4. shielding door frame; 5. glass door; 6. door lock frame; 7. buffer pad; 8. locking block; 9. adjustment cavity; 10. lock frame slot; 11. adjustment mechanism; 12. door lock block; 13. spring; 111. adjustment rod; 112. adjustment handle; 113. adjustment rope; 114. fixed block; 31. sliding block; 32. slot; 33. sliding ball; 34. storage slot; 35. sliding roller. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and 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, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection 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.

[0021] See also Figure 1-4 , the utility model provides a technical solution:

[0022] A shielding door sliding door lock mechanism comprises a fixed frame 1, the upper frame wall and the lower frame wall of the fixed frame 1 are each provided with two sliding tracks 2, two sliding mechanisms 3 are slidably connected in the four sliding tracks 2, a shielding door frame 4 is commonly fixedly connected between the four sliding mechanisms 3 on the front side and the four sliding mechanisms 3 on the rear side, a glass door 5 is commonly installed between the upper frame wall and the lower frame wall of the two shielding door frames 4, two door lock frames 6 are fixedly connected to the middle of the left end and the middle of the right end of the two shielding door frames 4, the upper part of the left frame wall, the lower part of the left frame wall, the upper part of the right frame wall and the right frame wall of the fixed frame 1 A buffer pad 7 is inserted and fixedly connected at the lower part, a locking block 8 is inserted and fixedly connected at the middle part of the left frame wall and the middle part of the right frame wall of the fixed frame 1, an adjustment cavity 9 is arranged inside the two locking blocks 8, and two lock frame grooves 10 are provided on the upper cavity wall and the lower cavity wall of the two adjusting cavities 9, an adjustment mechanism 11 is inserted and movably connected between the middle part of the front cavity wall and the middle part of the rear cavity wall of the two adjusting cavities 9, two door lock blocks 12 are inserted and fixedly connected at the upper and lower ends of the two adjustment mechanisms 11, and a spring 13 is fixedly connected between the four corners of the opposite surfaces of the two door lock blocks 12 corresponding to the upper and lower sides.

[0023] In this embodiment, the adjustment mechanism 11 includes an adjustment rod 111, the front end and the rear end of the adjustment rod 111 are fixedly connected with an adjustment handle 112, the outer front and the outer rear of the adjustment rod 111 are wound with an adjustment rope 113, one end and the other end of the two adjustment ropes 113 are inserted and fixedly connected with a fixing block 114, and the two fixing blocks 114 are respectively inserted and fixedly connected with the corresponding door lock blocks 12, and the outer front and the outer rear of the adjustment rod 111 are respectively inserted and movably connected with the front cavity wall and the rear cavity wall of the adjustment cavity 9 through bearings; the door lock block 12 is slidably connected with the corresponding lock frame groove 10, and the sum of the heights of the two door lock blocks 12 is smaller than the height of the adjustment cavity 9, so that the door lock block 12 is conveniently removed from the lock frame groove 10 without contacting the adjustment rod 111, and the door lock frame 6 is set to an L-shaped structure, so that when the door lock frame 6 is inserted into the lock frame groove 10, it is convenient for the door lock block 12 to lock and fix the door lock frame 6.

[0024] In this embodiment, the sliding mechanism 3 includes a sliding block 31, and a plurality of slots 32 are provided on the outer surface of the sliding block 31, and sliding balls 33 are movably connected in the plurality of slots 32. A receiving slot 34 is provided in the middle of the lower end of the sliding block 31, and a plurality of sliding rollers 35 are movably connected between the front slot wall and the rear slot wall of the receiving slot 34 through a movable shaft. The upper end of the sliding block 31 is fixedly connected to the lower end of the shielding door frame 4; the sliding block 31 and the sliding track 2 are both configured as convex structures, so that the sliding block 31 will not separate from the sliding track 2, and the lower end surface of the sliding block 31 is higher than the lower end surface of the sliding roller 35, which is conducive to the rapid sliding of the sliding block 31, and the outer surfaces of the plurality of sliding balls 33 and the outer surfaces of the plurality of sliding rollers 35 are in contact with the inner wall of the sliding track 2, which is convenient for the rolling of the sliding balls 33 and the sliding rollers 35.

[0025] It should be noted that the utility model is a shielding door sliding door lock mechanism. During use, the shielding door can be moved by first toggling the shielding door frame 4, so that the shielding door slides in the sliding track 2 through the sliding block 31, and then a plurality of sliding balls 33 roll in the sliding track 2, and then cooperate with a plurality of sliding rollers 35 to roll in the sliding track 2, so that the sliding block 31 can slide smoothly in the sliding track 2, and the shielding door can also slide smoothly, so that the shielding door is not prone to jamming or unsmoothness during the sliding process, thereby enhancing the use effect of the shielding door and improving the practicality of the shielding door. When the shielding door needs to be locked, the adjusting handle 112 can be rotated to drive the adjusting rod 111 to rotate, so that the adjusting rope 113 is wound around the adjusting rod 111, and the door lock block 12 is taken out from the lock frame slot 10 through the fixing block 114, so that the door lock frame 6 on the shielding door frame 4 can be inserted into the corresponding lock frame slot 10. At this time, the adjusting handle 112 can be loosened, and the door lock block 12 can be pushed into the L-shaped door lock frame 6 of the lock frame slot 10 under the elastic thrust of the spring 13 for fixed limit, which can increase the contact surface and realize the firm locking of the shielding door, thereby improving the locking stability of the shielding door and also improving the locking efficiency of the shielding door.

[0026] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A sliding door lock mechanism for a shielding door, comprising a fixed frame (1), characterized in that: The upper frame wall and the lower frame wall of the fixed frame (1) are each provided with two sliding rails (2), two sliding mechanisms (3) are slidably connected in the four sliding rails (2), a shielding door frame (4) is fixedly connected between the four sliding mechanisms (3) on the front side and the four sliding mechanisms (3) on the rear side, a glass door (5) is installed between the upper frame wall and the lower frame wall of the two shielding door frames (4), two door lock frames (6) are fixedly connected at the middle of the left end and the middle of the right end of the two shielding door frames (4), and the upper part of the left frame wall, the lower part of the left frame wall, the upper part of the right frame wall and the lower part of the right frame wall of the fixed frame (1) are interlaced and fixedly connected. A buffer pad (7), a locking block (8) is inserted and fixedly connected to the middle of the left frame wall and the middle of the right frame wall of the fixed frame (1), an adjustment cavity (9) is arranged inside the two locking blocks (8), the upper cavity wall and the lower cavity wall of the two adjustment cavities (9) are provided with two lock frame grooves (10), an adjustment mechanism (11) is inserted and movably connected between the middle of the front cavity wall and the middle of the rear cavity wall of the two adjustment cavities (9), the upper and lower ends of the two adjustment mechanisms (11) are inserted and fixedly connected with two door lock blocks (12), and a spring (13) is fixedly connected between the four corners of the opposite surfaces of the two door lock blocks (12) corresponding to the upper and lower sides.

2. A sliding door lock mechanism for a shielding door according to claim 1, characterized in that: The adjustment mechanism (11) comprises an adjustment rod (111), the front end and the rear end of the adjustment rod (111) are fixedly connected to an adjustment handle (112), the outer front part and the outer rear part of the adjustment rod (111) are wound with an adjustment rope (113), one end and the other end of the two adjustment ropes (113) are inserted and fixedly connected to a fixing block (114), and the two fixing blocks (114) are respectively inserted and fixedly connected to the corresponding door lock blocks (12), and the outer front part and the outer rear part of the adjustment rod (111) are respectively inserted and movably connected to the front cavity wall and the rear cavity wall of the adjustment cavity (9) through bearings.

3. A shielding door sliding door lock mechanism according to claim 2, characterized in that: The door lock block (12) is slidably connected to the corresponding lock frame groove (10), and the sum of the heights of the two door lock blocks (12) is smaller than the height of the adjustment cavity (9), and the door lock frame (6) is configured as an L-shaped structure.

4. A shielding door sliding door lock mechanism according to claim 1, characterized in that: The sliding mechanism (3) comprises a sliding block (31), the outer surface of the sliding block (31) is provided with a plurality of slots (32), and a plurality of sliding balls (33) are movably engaged in the slots (32). A receiving slot (34) is provided in the middle of the lower end of the sliding block (31), and a plurality of sliding rollers (35) are movably connected between the front slot wall and the rear slot wall of the receiving slot (34) via a movable shaft. The upper end of the sliding block (31) is fixedly connected to the lower end of the shielding door frame (4).

5. A sliding door lock mechanism for a shielding door according to claim 4, characterized in that: The sliding block (31) and the sliding track (2) are both configured as convex structures, and the lower end surface of the sliding block (31) is higher than the lower end surface of the sliding roller (35), and the outer surfaces of the plurality of sliding balls (33) and the outer surfaces of the plurality of sliding rollers (35) are in contact with the inner wall of the sliding track (2).

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