Shielding equipment cabinet door leaf locking mechanism
By combining the linkage handle and locking wheel assembly, the problems of difficult and incomplete locking of the shielded cabinet door are solved, achieving easy operation and efficient electromagnetic shielding performance, meeting the requirements for high electromagnetic leakage protection.
Patent Information
- Application Number
- CN202423229945.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-26
AI Technical Summary
Existing door locking mechanisms for shielded cabinets suffer from problems such as being laborious, having complex structures, and being unable to lock properly, which affect electromagnetic shielding performance.
It adopts a combination structure of linkage handle, linkage rod, locking wheel assembly, lock seat and guide seat, and uses the lever principle to realize easy opening and closing and reliable locking of door leaf. The cooperation of slider and bearing overcomes the resistance of spring plate and enhances airtightness and electromagnetic shielding performance.
It enables easy operation and effortless locking of the door, improves the airtightness and electromagnetic shielding performance of the cabinet, has a simplified and energy-saving structure, increases space utilization, and meets the requirements for high electromagnetic leakage protection.
Smart Images

Figure CN223689468U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of door lock, specifically relates to a shielding cabinet door leaf locking mechanism. BACKGROUND
[0002] The shielding cabinet is made of high-conductivity and high-magnetic-permeability material, can form a continuous electromagnetic protection space, thereby effectively shielding external electromagnetic waves from interfering with the electronic equipment inside the cabinet, and preventing electromagnetic radiation generated by the internal equipment from leaking to the external environment, The shielding cabinet is widely used in various places requiring high electromagnetic compatibility and data security, such as data centers, communication base stations, laboratories, medical facilities, etc. The shielding cabinet is a device with high use efficiency, fast arrangement, high information protection level, etc. In recent years, new information digital infrastructure construction represented by 5G network, data center, artificial intelligence, industrial internet and internet of things has become the core of future infrastructure construction in China, and has directly accelerated the information digital construction process in China. The use of shielding cabinets is becoming more and more widespread.
[0003] With the wide application of electromagnetic shielding cabinets in confidential information systems, the shielding performance of the cabinet and the reliability of the door leaf locking structure are increasingly required. The existing shielding cabinet usually uses spring sheets as shielding materials, but the resistance increases after being stressed, resulting in laborious locking of the door. The traditional locking method, such as single-point or double-point locking, has problems such as complex structure, inconvenient installation, and locking out of place, which affects the electromagnetic shielding performance of the cabinet. The present application aims to provide a shielding cabinet linkage type door leaf locking mechanism to solve the problems of laborious locking of the door, complex structure, and locking out of place in the prior art, realize easy opening and reliable locking of the door, and ensure the electromagnetic shielding performance of the cabinet. UTILITY MODEL CONTENTS
[0004] The utility model aims at the prior art shielding cabinet door leaf locking mechanism to solve the problems raised in the background art.
[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: a shielding cabinet door leaf locking mechanism, comprising a linkage handle, a connecting rod, a locking wheel assembly, a lock seat, a guide seat, one end of the linkage handle is detachably installed with an electric component, the other end of the linkage handle is detachably installed with a manual component, one side of the linkage handle is detachably installed with a switching device, the other side of the linkage handle is detachably installed with a door shaft.
[0006] One side of the door shaft is provided with an electric gear, one side of the electric gear is intermeshed with the electric component, and the other side is intermeshed with the door shaft.
[0007] The other side of the door shaft is detachably provided with an electric gear sleeve, and the other side of the door shaft is also provided with a manual gear, one side of the manual gear is engaged with the electric gear sleeve, and the electric gear sleeve can directly drive the manual gear to rotate in the locked state of the switching device.
[0008] The utility model further discloses that the inside of the switching device is detachably provided with a switching key.
[0009] The guide seat is detachably installed on the door leaf of the shielding cabinet and corresponds to the position of the connecting rod, the guide seat is internally provided with a rotating bearing, the connecting rod is made of a sliding optical shaft, and the connecting rod penetrates through the guide seat and is fixedly connected to the manual assembly in the middle.
[0010] The utility model further discloses that the locking wheel assembly is fixedly installed at the top of the cabinet body of the shielding cabinet and corresponds to the position of the connecting rod, one end of the inside of the locking wheel assembly is fixedly provided with a locking seat, round holes are formed in the upper and lower surfaces of the locking seat and correspond to the position of the connecting rod, and C-shaped openings are formed in the left and right ends of the locking seat.
[0011] The utility model further discloses that the other end of the inside of the locking wheel assembly is provided with a sliding block, the sliding block is slidably connected in the C-shaped opening of the locking seat, a bearing is detachably installed on the sliding block, the connecting rod is driven by the manual assembly to realize the operation of moving up and down, and the connecting rod transmits power to the locking wheel assembly to realize the locking function.
[0012] The utility model further discloses that the locking seat is fixedly installed at the bottom of the cabinet body of the shielding cabinet, the locking seat is a cam structure, the position of the locking seat corresponds to the position of the locking wheel assembly, and the locking seat and the locking wheel assembly are matched with each other.
[0013] The utility model further discloses that the locking seat is internally provided with a limit groove, and the limit groove of the locking seat corresponds to the position of the bearing.
[0014] Compared with the prior art, the utility model has the advantages that the utility model is used in cooperation with the connecting rod, the linkage handle and the locking wheel assembly, utilizes the principle of a lever, adopts the linkage handle to push or pull horizontally, realizes easy opening and locking of the door leaf, is more convenient and labor-saving to operate, the sliding block, the bearing and the locking seat are used in cooperation, the resistance of spring sheets or other shielding materials can be overcome during locking, the forced sealing function is realized, the airtightness and the electromagnetic shielding performance of the cabinet are effectively enhanced, the structure is simplified through the cooperation of the guide seat, energy is saved and materials are reduced, the effective use area is increased, the space utilization rate is improved, the reliability is higher, the operation is more convenient, labor-saving and efficient, and the airtight locking requirement of the electromagnetic shielding cabinet with high electromagnetic leakage protection requirement is met. BRIEF DESCRIPTION OF DRAWINGS
[0015] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:
[0016] Figure 1 is a schematic view of a linkage type door leaf locking mechanism of the shielding cabinet of the present application;
[0017] Figure 2 is a schematic view of a linkage handle of the present application;
[0018] Figure 3 is a schematic view of a connecting rod of the present application;
[0019] Figure 4 is a schematic view of a locking wheel assembly and a lock seat of the present application.
[0020] In the drawings: 1, linkage handle; 2, connecting rod; 3, locking wheel assembly; 4, lock seat; 5, electric assembly; 6, manual assembly; 7, switching device; 8, electric gear; 9, door shaft; 10, electric gear sleeve; 11, manual gear; 12, switching key; 13, guide seat; 14, sliding block; 15, locking seat; 16, bearing. DETAILED DESCRIPTION
[0021] The present application will be described in further detail below in conjunction with preferred embodiments and drawings thereof. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.
[0022] Please refer to Figures 1-4 The present application provides a technical scheme: a shielding cabinet door leaf locking mechanism, comprising a linkage handle 1, a connecting rod 2, a locking wheel assembly 3, a lock seat 4, a guide seat 13, one end of the linkage handle 1 is detachably installed with an electric assembly 5, the other end of the linkage handle 1 is detachably installed with a manual assembly 6, one side of the linkage handle 1 is detachably installed with a switching device 7, the other side of the linkage handle 1 is detachably installed with a door shaft 9;
[0023] One side of the door shaft 9 is provided with an electric gear 8, one side of the electric gear 8 is engaged with the electric assembly 5, and the other side is engaged with the door shaft 9, and the electric assembly 5 is used to drive the electric gear 8 to rotate on the door shaft 9;
[0024] The other side of the door shaft 9 is detachably installed with an electric gear sleeve 10, and the other side of the door shaft 9 is also installed with a manual gear 11, one side of the manual gear 11 is engaged with the electric gear sleeve 10, and the electric gear sleeve 10 can directly drive the manual gear 11 to rotate in the locked state of the switching device 7, realizing the electric operation of the shielding cabinet linkage door lock mechanism;
[0025] The inside of the switching device 7 is detachably installed with a switching key 12, which plays a fixing role;
[0026] The guide seat 13 is detachably installed on the shielding cabinet door leaf, corresponding to the position of the connecting rod 2, and the guide seat 13 is internally provided with a rotating bearing for cooperating with the connecting rod 2 to rotate, the connecting rod 2 is made of sliding optical shaft, and the connecting rod 2 penetrates through the guide seat 13 and is fixedly connected to the middle of the manual assembly 6;
[0027] The locking wheel assembly 3 is fixedly installed on the top of the shielding cabinet cabinet body, corresponding to the position of the connecting rod 2, one end of the inside of the locking wheel assembly 3 is fixedly installed with a locking seat 15, and the upper and lower surfaces of the locking seat 15 are provided with circular holes, corresponding to the position of the connecting rod 2, which plays a role of limiting the connecting rod 2, and the left and right ends of the locking seat 15 are provided with C-shaped openings, the other end of the inside of the locking wheel assembly 3 is provided with a sliding block 14, the sliding block 14 is slidingly connected in the C-shaped opening on the locking seat 15, the sliding block 14 is detachably installed with a bearing 16, the connecting rod 2 is driven by the manual assembly 6 to realize the operation of moving up and down, and the connecting rod 2 transmits power to the locking wheel assembly 3 to realize the locking function;
[0028] The lock seat 4 is fixedly installed on the bottom of the shielding cabinet cabinet body, and is a cam structure, the position of the lock seat 4 corresponds to the position of the locking wheel assembly 3, and the lock seat 4 cooperates with the locking wheel assembly 3 to realize the locking function, the lock seat 4 is internally provided with a limiting groove, the internal limiting groove of the lock seat 4 corresponds to the position of the bearing 16, and is used for cooperating with the bearing 16 to move on the track on the lock seat 4, to realize the function of the shielding cabinet linkage door lock mechanism.
[0029] Embodiment one:
[0030] When the staff needs to close the shielding cabinet linkage door, the staff manually pulls the linkage handle 1 in the positive direction, the electric assembly 5 in the linkage handle 1 drives the electric gear 8 to rotate on the door shaft 9, the door shaft 9 drives the electric gear sleeve 10 to operate, the electric gear sleeve 10 drives the manual assembly 6 to rotate, the manual assembly 6 drives the connecting rod 2 to move up and down, the connecting rod 2 transmits power to the locking wheel assembly 3, then the connecting rod 2 drives the sliding block 14 to move in the locking seat 15, the sliding block 14 drives the bearing 16 to move on the track on the lock seat 4, to realize the function of the shielding cabinet linkage door lock mechanism;
[0031] During the above operation, the electric gear sleeve 10 can directly drive the manual gear 11 to rotate in the state of the switching device 7 being locked, so as to realize the electric operation of the shielding cabinet linkage door lock mechanism;
[0032] After the switching key 12 on the switching device 7 is manually removed, the manual gear 11 can be directly rotated by using a special handle, so as to realize the manual operation of the shielding cabinet linkage door lock mechanism;
[0033] When the shielding cabinet linkage door needs to be opened, the linkage handle 1 is pulled in the reverse direction by the staff;
[0034] Through the cooperation of the connecting rod 2, the linkage handle 1 and the locking wheel assembly 3, the linkage handle is pushed or pulled horizontally by using the lever principle, so as to realize the easy opening and locking of the door, and the operation is more convenient, more labor-saving, the cooperation of the sliding block 14, the bearing 16 and the lock seat 4 can overcome the resistance of the spring sheet or other shielding materials when locking, so as to realize the forced sealing function, effectively enhance the sealing performance and electromagnetic shielding performance of the cabinet, through the cooperation of the guide seat 13, the structure is simplified, energy is saved, the effective use area is increased, the space utilization rate is higher, the operation is more convenient, more labor-saving and more efficient, and the sealing and locking requirements of the electromagnetic shielding cabinet with high electromagnetic leakage protection requirements are met.
[0035] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the utility model.
[0036] Finally, it should be pointed out that: the above examples are only used to illustrate the technical solutions of the utility model, and are not limited thereto. Although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features can be replaced equivalently, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.
Claims
1. A shielding cabinet door lock mechanism, comprising a linkage handle (1), a connecting rod (2), a locking wheel assembly (3), a lock seat (4), a guide seat (13), characterized in that, One end of the linkage handle (1) is detachably mounted with an electric component (5), the other end of the linkage handle (1) is detachably mounted with a manual component (6), one side of the linkage handle (1) is detachably mounted with a switching device (7), the other side of the linkage handle (1) is detachably mounted with a door shaft (9). One side of the door shaft (9) is provided with an electric gear (8), one side of the electric gear (8) is engaged with the electric component (5), and the other side is engaged with the door shaft (9). The other side of the door shaft (9) is detachably mounted with an electric gear sleeve (10), the other side of the door shaft (9) is also mounted with a manual gear (11), one side of the manual gear (11) is engaged with the electric gear sleeve (10), and the electric gear sleeve (10) can directly drive the manual gear (11) to rotate in the locked state of the switching device (7).
2. A shielded cabinet door lock mechanism according to claim 1, characterised in that, The inside of the switching device (7) is detachably mounted with a switching key (12). The guide seat (13) is detachably mounted on the shielding cabinet door leaf, corresponding to the position of the connecting rod (2), the guide seat (13) is built-in rotating bearing, the connecting rod (2) is made of sliding optical shaft, the connecting rod (2) penetrates the guide seat (13) and the middle of the connecting rod (2) is fixedly connected with the manual component (6).
3. A shielded cabinet door lock mechanism according to claim 2, characterised in that, The locking wheel assembly (3) is fixedly installed on the top of the shielding cabinet body, corresponding to the position of the connecting rod (2), one end of the locking wheel assembly (3) is fixedly installed with a locking seat (15) in the inside, the upper and lower surfaces of the locking seat (15) are provided with circular holes, corresponding to the position of the connecting rod (2), the left and right ends of the locking seat (15) are provided with C-shaped openings.
4. A shielded cabinet door lock mechanism according to claim 3, characterised in that, The other end of the locking wheel assembly (3) is provided with a sliding block (14), the sliding block (14) is slidingly connected in the C-shaped opening on the locking seat (15), the sliding block (14) is detachably mounted with a bearing (16), the connecting rod (2) is driven by the manual component (6) to realize the operation of moving up and down, and the connecting rod (2) transmits power to the locking wheel assembly (3) to realize the locking function.
5. A shielded cabinet door lock mechanism according to claim 4, wherein, The lock seat (4) is fixedly installed on the bottom of the shielding cabinet body, the lock seat (4) is a cam structure, the position of the lock seat (4) corresponds to the position of the locking wheel assembly (3), and the lock seat (4) and the locking wheel assembly (3) are matched with each other.
6. A shielded cabinet door lock mechanism as claimed in claim 5, wherein, The lock seat (4) is built-in limit slot, the built-in limit slot of the lock seat (4) corresponds to the position of the bearing (16).