Side clamping type roller compression multi-point connecting rod mechanism and locking door lock thereof

Abstract

The utility model relates to a side clamping type roller compression multi-point connecting rod mechanism and a locking door lock thereof. The side clamping type roller compression multi-point connecting rod mechanism and the locking door lock thereof aim at solving the technical problems that a connecting rod mechanism of an existing similar product is large in locking point, large in occupied space, complex in structure and poor in linkage performance and stability. The connecting rod mechanism is characterized in that at least one fixing buckle roller fixed on a connecting rod through a rivet is arranged at one end of the connecting rod and one side of the middle of the connecting rod, and the diameter of a rivet head of the rivet extending out of the fixing buckle roller is larger than that of the fixing buckle roller; the connecting rods on the two sides drive the fixing buckle rolling wheels on the two sides to be guided into openings in one ends of the fixing buckles on the two sides respectively, and meanwhile the rivet heads stretching out of the fixing buckle rolling wheels are limited in the openings of the fixing buckles. The two sides of the connecting rod at the second flat rod section are inserted into guide grooves of the first guide blocks and the second guide blocks on the two sides to move; the fixing buckle is fixedly arranged on the door frame, the head of the rivet is large and clamped into the fixing buckle, and the anti-explosion function is improved and achieved.

Description

Technical Field

[0001] The utility model relates to a connecting rod lock and a connecting rod mechanism for cabinets in industries such as electricity, communications, energy storage, and automated control manufacturing, and is a side-card type roller compression multi-point connecting rod mechanism and a locking door lock thereof. Background Art

[0002] A linkage lock is a lock that locks a cabinet door by rotating a lock cylinder to move a connecting rod and a top and bottom rod up and down. These locks typically require the installation of guides, positioning elements, and other locking accessories on the door panel, requiring multiple assembly steps to achieve the locking action. To facilitate movement and operation of the connecting rod, some linkage locks feature rollers and a flat connecting rod design, such as the Chinese patent application CN218293161U, dated January 13, 2023, and titled "Compound Reinforced Linkage Mechanism." Other linkage locks, due to their use on large cabinet doors, require multiple locking points, such as the Chinese patent application CN117868615A, dated April 12, 2024, and titled "Energy Storage Tightening High-Sealing Door Lock." However, these and similar products still suffer from technical issues such as large locking points, large space requirements, complex structures, and poor linkage and stability. Summary of the Invention

[0003] To overcome the above-mentioned shortcomings, the present invention aims to provide a side-clamping roller-compression multi-point linkage mechanism and its locking door lock to the art. This mechanism addresses the technical problems of existing linkage mechanisms of similar products, such as large locking points, large space requirements, complex structures, and poor linkage and stability. This objective is achieved through the following technical solutions.

[0004] A side-clip roller compression multi-point linkage mechanism includes a linkage and a guide member, the guide member being equidistantly arranged on the linkage. The linkage and guide member are symmetrically arranged on either side of a linkage lock of a door panel. Transmission bars on either side of the linkage lock are respectively connected to one end of the linkage on either side. The guide member and linkage lock are respectively fixed to the door panel. The key structural design features include at least one fixed buckle roller fixed to the linkage by rivets at the other end of the linkage and one side of the middle of the linkage. The diameter of the rivet head extending from the fixed buckle roller is larger than that of the fixed buckle roller. The two linkages drive the fixed buckle rollers to be respectively introduced into openings at one end of the two fixed buckles. The rivet heads extending from the fixed buckle rollers are confined within the openings of the fixed buckles, and the fixed buckles are fixed to the door frame. The aforementioned structure, in which fixed buckle rollers are provided on either side of the rivet, facilitates use on either side. Furthermore, the rivet heads are enlarged and snap into the fixed buckles, enhancing and achieving explosion-proof functions.

[0005] The retaining buckle is bent 90 degrees, with one end secured to the door frame. The other end of the retaining buckle features a circular beveled surface at the inner slot of the opening. This reduces production costs and allows the buckle to be formed by stamping metal sheets. The circular beveled surface at the retaining buckle opening facilitates the insertion of the retaining buckle roller.

[0006] The fixing buckle roller and the rivet are arranged on the first flat rod section of the connecting rod, and the outer plane of the opening of the fixing buckle is in contact with the first flat rod section of the connecting rod for introduction or export.

[0007] The guide member includes a first guide block and a second guide block, and the connecting rod is clamped and fixed between the first guide block and the second guide block of the guide member.

[0008] The guides are installed on the connecting rod's multi-point second flat rod section. Guide rollers are installed on at least one side of the connecting rod at the second flat rod section. The diameter of the guide rollers is smaller than the width of the connecting rod at the second flat rod section. The connecting rod at the second flat rod section is higher than the guide rollers on both sides. The connecting rod at the second flat rod section is inserted into the guide grooves of the first and second guide blocks on both sides. This further improves the stability and smoothness of the connecting rod's introduction or withdrawal at the guides.

[0009] A locking door lock utilizing the aforementioned side-clamping roller compression multi-point linkage mechanism is characterized in that the handle of the linkage lock drives the gear within the rotating box via a rotating shaft within the rotating box. The gear drives the connecting rods on both sides to move up and down via transmission bars on both sides. The fixed buckle roller of the connecting rod engages the fixed buckle to lock, or disengages the fixed buckle to unlock, and the teeth of the transmission bar mesh with the gear within the rotating box. The above is a specific embodiment of the linkage lock structure, and the present invention is not limited to the aforementioned linkage lock structure. Other existing linkage lock products can also be used.

[0010] The connecting rod lock drives the connecting rods on both sides to move up and down through the transmission bars on both sides. At the same time, the connecting rods are fixed in the guide parts of the door panels to limit the movement up and down.

[0011] The rotating shaft of the connecting rod lock extends out of the rotating box and is connected to the lock tongue. The handle of the connecting rod lock drives the gear in the rotating box to rotate through the rotating shaft in the rotating box, and at the same time, the rotating shaft drives the lock tongue to rotate.

[0012] The utility model has a reasonable structural design, is easy to install and use, has small and multiple locking points, occupies a small space, has high strength, has diverse structural forms, has good linkage and stability, especially the linkage and stability of multi-point guiding and locking; it is mainly suitable for use as a side-card roller compression multi-point connecting rod mechanism and its locking door lock, as well as a structural improvement of similar products. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1This is a schematic diagram of the three-dimensional structure of the connecting rod mechanism of the present invention, in which the framed portion is enlarged.

[0014] Figure 2 yes Figure 1 Schematic diagram of the explosion structure, with the framed part enlarged.

[0015] Figure 3 yes Figure 1 The figure shows a schematic diagram of the structure in use state, including a locking door lock provided with the connecting rod mechanism.

[0016] Figure 4 yes Figure 1 Schematic diagram of the rear structure, in which part A and part B are framed.

[0017] Figure 5 yes Figure 4 Magnified view of part A.

[0018] Figure 6 yes Figure 5 Enlarged view of part B.

[0019] Serial number and name of the accompanying drawings: 1. Connecting rod, 2. Guide member, 201. First guide block, 202. Second guide block, 3. Fixing buckle, 4. Fixing buckle roller, 5. Rivet, 6. Guide member roller, 7. Connecting rod lock, 701. Transmission bar, 702. Lock tongue, 8. Door panel, 9. Door frame. DETAILED DESCRIPTION

[0020] Now, in conjunction with the accompanying drawings, the structure and use of the utility model are further described. Figures 1-6 As shown, the connecting rod mechanism includes a connecting rod 1 and a guide member 2, and the guide member is equidistantly arranged on the connecting rod. The connecting rod and the guide member are symmetrically arranged on both sides of the connecting rod lock 7 of the door panel 8, and the transmission bars 701 on both sides of the connecting rod lock are respectively connected to one end of the connecting rod on both sides, and the guide member and the connecting rod lock are respectively fixedly arranged on the door panel; at least one fixed buckle roller 4 is provided on the other end of the connecting rod and one side in the middle of the connecting rod, and the diameter of the rivet head extending from the fixed buckle roller is larger than the diameter of the fixed buckle roller; the connecting rods on both sides drive the fixed buckle rollers on both sides to be respectively introduced into the openings at one end of the fixed buckles 3 on both sides. At the same time, the rivet heads extending from the fixed buckle rollers are limited in the opening of the fixed buckle, and the fixed buckle is fixedly arranged on the door frame 9.

[0021] The fixing buckle is bent at 90 degrees, with one end of the fixing buckle fixed to the door frame, and the other end of the fixing buckle has an arc-shaped beveled surface on the inner slot head of the port opening. The fixing buckle roller and rivet are set on the first flat rod section of the connecting rod, and the outer plane of the opening of the fixing buckle fits in the first flat rod section of the connecting rod for introduction or export. The guide member includes a first guide block 201 and a second guide block 202, and the connecting rod is clamped and fixed between the first guide block and the second guide block of the guide member. The guide member is set on the multi-point second flat rod section of the connecting rod, and the connecting rod at the second flat rod section is provided with a guide roller 6 on at least one side. The diameter of the guide roller is smaller than the width of the connecting rod at the second flat rod section. While the two sides of the connecting rod at the second flat rod section are higher than the guide roller, the two sides of the connecting rod at the second flat rod section are inserted into the guide grooves of the first guide block and the second guide block on both sides.

[0022] During use, the handle of the connecting rod lock drives the gears inside the rotating box via the rotating shaft inside the rotating box. The gears drive the connecting rods on both sides up and down via the transmission bars on both sides. The fixed buckle rollers of the connecting rods engage the fixed buckle to lock, or disengage the fixed buckle to unlock, and the teeth of the transmission bar engage with the gears inside the rotating box. The connecting rods on both sides are driven up and down by the transmission bars on both sides. At the same time, the connecting rods are fixed to the door panel and move up and down within the guide member. The connecting rod shaft extends out of the rotating box and connects to the lock tongue 702. The handle of the connecting rod lock drives the gears inside the rotating box via the rotating shaft inside the rotating box, and the rotating shaft also drives the lock tongue.

[0023] This linkage mechanism and its locking door lock comprise a main lock, upper and lower linkages, a guide, and a fixed buckle. The main lock is a linkage lock. When the linkage mechanism and its locking door lock are used, the handle of the linkage lock is rotated, which drives the rotating shaft inside the rotating box. The rotating shaft drives the gear, which drives the transmission bars on both sides. The transmission bars drive the upper and lower linkages up and down. The roller locking point on the linkage engages with the fixed buckle to lock, and disengages from the fixed buckle to unlock. The head of the fixed buckle's slot is designed as an arc-shaped inclined surface to achieve the door lock tightening and compression function. The roller locking point is specifically the fixed buckle roller. Furthermore, the linkage of the linkage mechanism is equipped with a guide roller device, which moves within a guide module and provides guidance and support. The guide roller is specifically a guide roller, and the guide module is specifically a guide composed of a first guide block and a second guide block.

[0024] In summary, this linkage mechanism features a simple structure, stable performance, excellent sealing, and a compact footprint. The locking point on the linkage utilizes a roller mechanism; the slot structure of the roller locking point and the retaining buckle achieves both unlocking and locking functions; the retaining buckle's slot head is designed with an arc-shaped bevel to achieve a tightening and compression function for the door lock. Furthermore, the rivet head on the locking roller is enlarged to meet specific needs, engaging the retaining buckle while hooking inside it, achieving explosion-proof functionality. The linkage mechanism's complete side-clip roller compression multi-point locking door lock structure, along with the roller guide structure that works with the roller locking point and retaining buckle to achieve unlocking and locking, offers a simple and reasonable structural design. Furthermore, the coordination of the guide roller and guide member prevents the linkage from deflecting.

Claims

1. A side-card type roller compression multi-point linkage mechanism, the linkage mechanism comprising a linkage (1) and a guide member (2), the guide member being equidistantly arranged on the linkage, the linkage and the guide member being symmetrically arranged on both sides of a linkage lock (7) of a door panel (8), the transmission bars (701) on both sides of the linkage lock being respectively connected to one end of the linkage on both sides, the guide member and the linkage lock being respectively fixedly arranged on the door panel; characterized in that At least one fixed buckle roller (4) is provided on the other end of the connecting rod (1) and one side in the middle of the connecting rod, and the fixed buckle roller is fixed to the connecting rod by a rivet (5). The diameter of the rivet head extending from the fixed buckle roller is larger than the diameter of the fixed buckle roller. The connecting rods on both sides drive the fixed buckle rollers on both sides to be respectively introduced into the openings at one end of the fixed buckles (3) on both sides. At the same time, the rivet heads extending from the fixed buckle rollers are limited in the openings of the fixed buckles. The fixed buckles are fixedly arranged on the door frame (9).

2. The side-clip roller compression multi-point linkage mechanism according to claim 1 is characterized in that The fixing buckle (3) is bent at 90 degrees, one end of the fixing buckle is fixed to the door frame (9), and the other end of the fixing buckle is provided with an arc inclined surface at the head of the inner slot of the opening port.

3. The side-clip roller compression multi-point linkage mechanism according to claim 1, characterized in that The fixing buckle roller (4) and the rivet (5) are arranged on the first flat rod section of the connecting rod (1), and the outer surface of the opening of the fixing buckle (3) is fitted on the first flat rod section of the connecting rod for introduction or extraction.

4. The side-clip roller compression multi-point linkage mechanism according to claim 1, characterized in that The guide member (2) comprises a first guide block (201) and a second guide block (202), and the connecting rod (1) is clamped and fixed between the first guide block and the second guide block of the guide member.

5. The side-clip roller compression multi-point linkage mechanism according to claim 4, characterized in that The guide member (2) is arranged at the multi-point second flat rod section of the connecting rod (1), and a guide member roller (6) is provided on at least one side of the connecting rod at the second flat rod section. The diameter of the guide member roller is smaller than the width of the connecting rod at the second flat rod section. At the same time, the two sides of the connecting rod at the second flat rod section are higher than the guide member roller, and at the same time, the two sides of the connecting rod at the second flat rod section are inserted into the guide grooves of the first guide block (201) and the second guide block (202) on both sides.

6. A locking door lock using the side-card roller compression multi-point linkage mechanism according to any one of claims 1 to 5, characterized in that The handle of the connecting rod lock (7) drives the gear in the rotating box to rotate through the rotating shaft in the rotating box, and the gear drives the connecting rods (1) on both sides to move up and down through the transmission bars (701) on both sides. The fixed buckle roller (4) of the connecting rod is engaged with the fixed buckle (3) to achieve locking, or is disengaged from the fixed buckle to achieve unlocking, and the teeth of the transmission bar are engaged with the gear in the rotating box.

7. The locking door lock of the side-card roller compression multi-point linkage mechanism according to claim 6, characterized in that The connecting rod lock (7) drives the connecting rods (1) on both sides to move up and down through the transmission bars (701) on both sides. At the same time, the connecting rods are fixed to the guide member (2) of the door panel (8) to move up and down within a limited position.

8. The locking door lock of the side-card roller compression multi-point linkage mechanism according to claim 6, characterized in that The rotating shaft of the connecting rod lock (7) extends out of the rotating box and is connected to the lock tongue (702). The handle of the connecting rod lock drives the gear in the rotating box to rotate through the rotating shaft in the rotating box, and at the same time, the rotating shaft drives the lock tongue to rotate.

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