Double-maintenance-door structure
The dual maintenance door system with integrated hinges and a single lock mechanism addresses the challenge of maintaining touch screens and identity recognition modules by providing easy access and secure operation.
Patent Information
- Application Number
- CN202422364738.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-09-27
AI Technical Summary
In the prior art, the design of the maintenance door of the touch display screen and identity identification equipment is not convenient for the placement and maintenance of electrical equipment, and the maintenance process is not safe and reliable enough.
A dual maintenance door structure is designed, including a touch screen maintenance door and an identity identification equipment maintenance door arranged side by side. The hinge component and locking hook component realize the joint opening and position locking of the door, and the combination of the limiting rod and the anti-fall chain ensures the stability and safety of the door.
It realizes convenient placement of electrical equipment and expands the maintenance operation space, improves maintenance safety and reliability, reduces the number of keys, simplifies management, and extends the service life of the equipment.
Smart Images

Figure CN223104338U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rail transit equipment, in particular to a double maintenance door structure. Background Art
[0002] With the rapid development of technology, touch display screens, as important query devices in subway stations, are becoming more and more popular. Touch display screens are usually integrated with identity recognition modules in a cabinet. For the convenience of personnel operation, the touch display screen and the identity recognition device are placed on the front side of the cabinet. To ensure the stable operation of the touch display screen and the identity recognition device, regular maintenance is required. Therefore, there is an urgent need to design a double maintenance door mechanism that is convenient for electrical equipment to be placed, has a large maintenance operation space, and is convenient for maintenance. Content of the Utility Model
[0003] The purpose of the utility model is to overcome the above deficiencies and provide a double maintenance door structure. By setting double doors arranged side by side on the left and right, it is convenient for electrical equipment to be placed, has a large maintenance operation space, and is convenient for maintenance.
[0004] The purpose of the utility model is realized as follows:
[0005] A double maintenance door structure includes a cabinet. A touch screen maintenance door and an identity recognition device maintenance door are provided on the front side of the cabinet. The touch screen maintenance door and the identity recognition device maintenance door are arranged left and right. The touch screen maintenance door is embedded with a touch display screen, and a plurality of identity recognition devices are installed on the identity recognition device maintenance door. The right side of the identity recognition device maintenance door is hinged to the cabinet through a plurality of first hinge components, and a door lock is provided on the left side. The bottom of the touch screen maintenance door is hinged to the cabinet through a plurality of second hinge components, and the top is connected to the cabinet through a lock hook component.
[0006] Preferably, a vertical hinge fixed bracket and a vertical door hinge fixed bracket are respectively provided inside the cabinet on the side of the first hinge component and inside the identity recognition device maintenance door. The first hinge component includes a first moving hinge and a first static hinge that are hinged to each other. The first moving hinge is fixed on the vertical door hinge fixed bracket, and the first static hinge is fixed on the vertical hinge fixed bracket.
[0007] Preferably, a horizontal hinge fixed bracket and a horizontal door hinge fixed bracket are respectively provided inside the cabinet on the side of the second hinge component and inside the touch screen maintenance door. The second hinge component includes a second moving hinge and a second static hinge that are hinged to each other. The second moving hinge is fixed on the horizontal door hinge fixed bracket, and the second static hinge is fixed on the horizontal hinge fixed bracket.
[0008] Preferably, the hook assembly includes a hook rod, a hook link shaft, a main hook, an auxiliary hook, a hook fixing bracket, and a spring. The hook rod is fixed on the touch screen maintenance door. Inside the cabinet, there are a main hook and an auxiliary hook corresponding to the hook rod. The main hook and the auxiliary hook are respectively fixed at both ends of the hook link shaft, and the main hook is close to the identity recognition device maintenance door. Both ends of the hook link shaft are connected to the hook fixing bracket, and the hook fixing bracket is fixed at the top of the corresponding side inside the cabinet. The main hook is connected to the latch operating handle, and one end of the spring is connected to the main hook or the auxiliary hook, and the other end is connected to the hook fixing bracket.
[0009] Preferably, the latch operating handle is arranged at the rear side of the main hook and is located inside the cabinet on the corresponding side of the identity recognition device maintenance door.
[0010] Preferably, when it is necessary to open the touch screen maintenance door, push the latch operating handle backward. The latch operating handle drives the main hook to rotate downward with the hook link shaft as the rotation center, and the heads of the hooks rotate downward. The main hook and the auxiliary hook are disengaged from the hook rod.
[0011] Preferably, limiting rod assemblies are symmetrically arranged on the left and right sides of the touch screen maintenance door. The limiting rod assembly includes a limiting inner link and a limiting outer link that are hinged to each other. The limiting inner link is hinged to the inner link seat, and the inner link seat is fixed on the cabinet. The limiting outer link is hinged to the outer link seat, and the outer link seat is fixed on the touch screen maintenance door. The inner link seat is provided with a limiting convex block corresponding to the limiting inner link, and the limiting convex block controls the opening degree of the touch screen maintenance door.
[0012] Preferably, an anti-fall chain is also provided between the touch screen maintenance door and the cabinet.
[0013] Preferably, a limiting rod is provided between the identity recognition device maintenance door and the cabinet. One end of the limiting rod is fixed on the vertical hinge fixing bracket through a limiting rod bracket, and the other end is provided with a limiting rod slider. The limiting rod slider is connected to the limiting rod slide rail. The limiting rod slide rail is fixed at the bottom of the identity recognition device maintenance door. The limiting rod slide rail is provided with a chute corresponding to the limiting rod slider, and one end of the chute is provided with a limiting groove, and the limiting groove communicates with the chute. The limiting groove is close to the hinge joint of the identity recognition device maintenance door and the cabinet.
[0014] Preferably, an anti-fall support is provided at the bottom of the cabinet, and the identity recognition device maintenance door is provided with rollers corresponding to the anti-fall support. The rollers are fixed on the limiting rod slide rail by roller brackets.
[0015] The beneficial effects of the present utility model are:
[0016] A double maintenance door is arranged on the left and right, which is convenient for putting electrical equipment in, and has a large maintenance operation space for easy maintenance; it has a simple structure and ingenious design. Only one door lock is set to realize the linkage opening of the identity recognition device maintenance door and the touch screen maintenance door successively, and at the same time lock the position of the maintenance door in the open state, improving the safety of maintenance. The lock catch operation handle for opening the touch screen maintenance door is built into the cabinet body to prevent accidental opening of the touch screen maintenance door, and it runs safely and reliably; opening one lock can open all maintenance doors, reducing the number of keys and facilitating management. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is the front view of a double maintenance door structure of the present utility model.
[0018] Figure 2 It is a schematic diagram of the open state of the touch screen maintenance door of the present utility model.
[0019] Figure 3 It is Figure 2 The partial enlarged view of.
[0020] Figure 4 It is a schematic diagram of the assembly structure of the touch screen maintenance door of the present utility model.
[0021] Figure 5 It is a schematic diagram of the open state of the identity recognition device maintenance door of the present utility model.
[0022] Figure 6 It is Figure 5 The rear view of.
[0023] Figure 7 It is a schematic diagram of the assembly structure of the identity recognition device maintenance door of the present utility model.
[0024] Wherein: cabinet body 1; touch screen maintenance door 2; identity recognition device maintenance door 3; palm vein recognition area 3.1; two-dimensional code scanning area 3.2; ID card scanning area 3.3; special certificate scanning area 3.4; door lock 4; vertical hinge fixing bracket 5; vertical door hinge fixing bracket 6; first moving hinge 7; first static hinge 8; horizontal hinge fixing bracket 9; horizontal door hinge fixing bracket 10; second moving hinge 11; second static hinge 12; lock hook rod 13; lock hook connecting rod shaft 14; main lock hook 15; auxiliary lock hook 16; lock hook fixing bracket 17; spring 18; lock catch operation handle 19; strengthening rod 20; limit rod assembly 21; inner connecting rod seat 22; limit convex block 22.1; anti-falling chain 23; limit rod 24; limit rod bracket 25; limit rod slider 26; limit rod slide rail 27; anti-falling support 28; roller 29; roller bracket 30; linkage lock hook 31; lock rod 32. DETAILED DESCRIPTION OF THE INVENTION
[0025] See Figures 1-7, the utility model relates to a double maintenance door structure, including a cabinet body 1. A touch screen maintenance door 2 and an identity recognition device maintenance door 3 are arranged on the front side of the cabinet body 1. The touch screen maintenance door 2 and the identity recognition device maintenance door 3 are arranged left and right. The touch screen maintenance door 2 is embedded with a touch display screen. The identity recognition device maintenance door 3 is installed with a plurality of identity recognition devices. The right side of the identity recognition device maintenance door 3 is hinged to the cabinet body 1 through a plurality of first hinge assemblies, and a door lock 4 is arranged on the left side. The bottom of the touch screen maintenance door 2 is hinged to the cabinet body 1 through a plurality of second hinge assemblies, and the top is connected to the cabinet body through a lock hook assembly.
[0026] Inside the cabinet body 1 on the side of the first hinge assembly and inside the identity recognition device maintenance door 3, a vertical hinge fixing bracket 5 and a vertical door hinge fixing bracket 6 are respectively arranged. The first hinge assembly includes a first moving hinge 7 and a first static hinge 8 which are hinged to each other. The first moving hinge 7 is fixed on the vertical door hinge fixing bracket 6, and the first static hinge 8 is fixed on the vertical hinge fixing bracket 5, which is convenient for the disassembly and assembly of the identity recognition device maintenance door 3 and the cabinet body 1, ensures the stability and reliability of the hinged part between the cabinet body 1 and the identity recognition device maintenance door 3, improves the strength of the hinged part, and prevents the overweight identity recognition device maintenance door 3 from deforming when opened.
[0027] Inside the cabinet body 1 on the side of the second hinge assembly and inside the touch screen maintenance door 2, a horizontal hinge fixing bracket 9 and a horizontal door hinge fixing bracket 10 are respectively arranged. The second hinge assembly includes a second moving hinge 11 and a second static hinge 12 which are hinged to each other. The second moving hinge 11 is fixed on the horizontal door hinge fixing bracket 10, and the second static hinge 12 is fixed on the horizontal hinge fixing bracket 9, which is convenient for the disassembly and assembly of the touch screen maintenance door 2 and the cabinet body 1, ensures the stability and reliability of the hinged part between the cabinet body 1 and the touch screen maintenance door 2, improves the strength of the hinged part, and prevents the overweight touch screen maintenance door 2 from deforming when opened.
[0028] The hook assembly includes a hook rod 13, a hook connecting rod shaft 14, a main hook 15, an auxiliary hook 16, a hook fixing bracket 17 and a spring 18. The hook rod 13 is fixed on the touch screen maintenance door 2. Inside the cabinet 1, a main hook 15 and an auxiliary hook 16 are provided corresponding to the hook rod 13. The main hook 15 and the auxiliary hook 16 are respectively fixed at both ends of the hook connecting rod shaft 14, and the main hook 15 is close to the identity recognition device maintenance door 3. Both ends of the hook connecting rod shaft 14 are connected to the hook fixing bracket 17, and the hook fixing bracket 17 is fixed at the top of the corresponding side inside the cabinet 1. The main hook 15 is connected to a latch operating handle 19. The latch operating handle 19 is arranged at the rear side of the main hook 15 and is located inside the cabinet 1 on the corresponding side of the identity recognition device maintenance door 3. One end of the spring 18 is connected to the main hook 15 or the auxiliary hook 16, and the other end is connected to the hook fixing bracket 17. When it is necessary to open the touch screen maintenance door 2, push the latch operating handle 19 backward. The latch operating handle 19 drives the main hook 15 to rotate downward with the hook connecting rod shaft 14 as the rotation center, and the heads of the hooks rotate downward. The main hook 15 and the auxiliary hook 16 are disengaged from the hook rod 13, and the touch screen maintenance door 2 is opened by gravity. Release the latch operating handle 19, and the spring resets, driving the main hook and the auxiliary hook to reset, preparing for the closing of the touch screen maintenance door 2. By placing the latch operating handle 19 inside the cabinet 1, it is prevented from accidentally opening the touch screen maintenance door 2.
[0029] A reinforcing rod 20 is further provided between the main hook 15 and the auxiliary hook 16. The reinforcing rod 20 is arranged parallel to the hook connecting rod shaft 14 above it.
[0030] Limit rod assemblies 21 are symmetrically arranged on the left and right sides of the touch screen maintenance door 2. The limit rod assembly 21 includes a limit inner connecting rod and a limit outer connecting rod that are hinged to each other. The limit inner connecting rod is hinged to an inner connecting rod seat 22, and the inner connecting rod seat 22 is fixed on the cabinet 1. The limit outer connecting rod is hinged to an outer connecting rod seat, and the outer connecting rod seat is fixed on the touch screen maintenance door 2. The inner connecting rod seat 22 is provided with a limit convex block 22.1 corresponding to the limit inner connecting rod, and the limit convex block controls the opening degree of the touch screen maintenance door 2. When the touch screen maintenance door 2 is turned down and opened forward, the touch screen maintenance door 2 suddenly drops due to gravity. The limit rod assembly 21 buffers the gravity of the touch screen maintenance door 2, balances the weight of the door, ensures that the touch screen maintenance door opens smoothly, and avoids damage to the touch screen maintenance door caused by sudden dropping due to gravity. At the same time, the limit convex block locks the position of the touch screen maintenance door when it reaches the specified position, facilitating the installation and maintenance of the equipment.
[0031] In order to prevent the limit rod assembly 21 from breaking and failing, resulting in the dropping of the touch screen maintenance door 2, an anti - dropping chain 23 is further provided between the touch screen maintenance door 2 and the cabinet 1. One end of the anti - dropping chain is fixed to the top inside the cabinet 1 through a buckle ring, and the other end is arranged beside the hook rod 13 of the touch screen maintenance door 2.
[0032] A limiting rod 24 is provided between the identity recognition device maintenance door 3 and the cabinet body 1. The limiting rod 24 is L-shaped and avoids the hinge joint. One end of the limiting rod 24 is fixed on the vertical hinge fixing bracket 5 through a limiting rod bracket 25, and the other end is provided with a limiting rod slider 26. The limiting rod slider 26 is connected to a limiting rod slide rail 27. The limiting rod slide rail 27 is fixed at the bottom of the identity recognition device maintenance door 3. The limiting rod slide rail 27 is provided with a chute corresponding to the limiting rod slider 26, and one end of the chute is provided with a limiting groove, which is communicated with the chute. The limiting groove is close to the hinge joint of the identity recognition device maintenance door 3 and the cabinet body 1. When the identity recognition device maintenance door 3 is opened, the limiting rod slider 26 at the end of the limiting rod slides into the limiting groove along the chute of the limiting rod slide rail 27, and the opening degree of the identity recognition device maintenance door 3 is locked, which is convenient for the maintenance of the identity recognition device on the back of the maintenance door.
[0033] An anti-falling support 28 is provided at the bottom of the cabinet body 1, and the identity recognition device maintenance door 3 is provided with rollers 29 corresponding to the anti-falling support 28. The rollers 29 are fixed on the limiting rod slide rail 27 by roller brackets 30. The rollers 29 are arranged on the side far from the hinge to avoid the position of the limiting rod 24. When the identity recognition device maintenance door 3 is closed for a long time, in order to avoid the maintenance door sagging due to gravity and mechanical fatigue, rollers are installed below the identity recognition device maintenance door. When the door is closed, the rollers move with the maintenance door and reach the top surface of the anti-falling support, playing a role in supporting the door, reducing the hinge load, greatly increasing the opening and closing times of the maintenance door, and extending the service life of the equipment.
[0034] The door lock 4 is connected to a linkage lock hook 31 through an unlocking connecting rod arranged on the side. A lock rod 32 matching the linkage lock hook 31 is provided at the inner top of the identity recognition device maintenance door 3 to ensure that the identity recognition device maintenance door 3 is firmly closed.
[0035] The panel of the identity recognition device maintenance door 3 is divided into a palm vein recognition area 3.1, a two-dimensional code scanning area 3.2, an ID card scanning area 3.3, and a special certificate scanning area 3.4 corresponding to each identity recognition device.
[0036] In addition to the above embodiments, the present invention also includes other implementation manners. Any technical solutions formed by equivalent transformation or equivalent replacement shall fall within the protection scope of the claims of the present invention.
Claims
1. A double-maintenance door structure, characterized in that: It includes a cabinet body. A touch screen maintenance door and an identity recognition device maintenance door are provided on the front side of the cabinet body. The touch screen maintenance door and the identity recognition device maintenance door are arranged left and right. The touch screen maintenance door is embedded with a touch display screen. A plurality of identity recognition devices are installed on the identity recognition device maintenance door. The right side of the identity recognition device maintenance door is hinged to the cabinet body through a plurality of first hinge assemblies, and a door lock is provided on the left side. The bottom of the touch screen maintenance door is hinged to the cabinet body through a plurality of second hinge assemblies, and the top is connected to the cabinet body through a lock hook assembly.
2. The double-maintenance door structure according to claim 1, characterized in that: Inside the cabinet body on the side of the first hinge assembly and inside the identity recognition device maintenance door, there are respectively a vertical hinge fixing bracket and a vertical door hinge fixing bracket. The first hinge assembly includes a first moving hinge and a first static hinge that are hinged to each other. The first moving hinge is fixed on the vertical door hinge fixing bracket, and the first static hinge is fixed on the vertical hinge fixing bracket.
3. A double-maintenance door structure according to claim 1, characterized in that: Inside the cabinet body on the side of the second hinge assembly and inside the touch screen maintenance door, there are respectively a horizontal hinge fixing bracket and a horizontal door hinge fixing bracket. The second hinge assembly includes a second moving hinge and a second static hinge that are hinged to each other. The second moving hinge is fixed on the horizontal door hinge fixing bracket, and the second static hinge is fixed on the horizontal hinge fixing bracket.
4. A double maintenance door structure according to claim 1, characterized in that: The lock hook assembly includes a lock hook rod, a lock hook connecting rod shaft, a main lock hook, an auxiliary lock hook, a lock hook fixing bracket, and a spring. The lock hook rod is fixed on the touch screen maintenance door. A main lock hook and an auxiliary lock hook are provided in the cabinet body corresponding to the lock hook rod. The main lock hook and the auxiliary lock hook are respectively fixed at both ends of the lock hook connecting rod shaft, and the main lock hook is close to the identity recognition device maintenance door. Both ends of the lock hook connecting rod shaft are connected to the lock hook fixing bracket, and the lock hook fixing bracket is fixed at the top of the corresponding side inside the cabinet body. The main lock hook is connected to a lock catch operation handle. One end of the spring is connected to the main lock hook or the auxiliary lock hook, and the other end is connected to the lock hook fixing bracket.
5. A double-maintenance door structure according to claim 4, characterized in that: The lock catch operation handle is arranged at the rear side of the main lock hook and is located inside the cabinet body on the corresponding side of the identity recognition device maintenance door.
6. A double-maintenance door structure according to claim 4 or 5, characterized in that: When it is necessary to open the touch screen maintenance door, push the lock catch operation handle backward. The lock catch operation handle drives the main lock hook to rotate around the lock hook connecting rod shaft, and the heads of each lock hook rotate downward, and the main lock hook and the auxiliary lock hook are disengaged from the lock hook rod.
7. A double-maintenance door structure according to claim 1, characterized in that: The touch screen maintenance door is symmetrically provided with a limit rod assembly on both left and right sides. The limit rod assembly includes a limit inner connecting rod and a limit outer connecting rod that are hinged to each other. The limit inner connecting rod is hinged to an inner connecting rod seat, and the inner connecting rod seat is fixed on the cabinet body. The limit outer connecting rod is hinged to an outer connecting rod seat, and the outer connecting rod seat is fixed on the touch screen maintenance door. The inner connecting rod seat is provided with a limit convex block corresponding to the limit inner connecting rod, and the limit convex block controls the opening degree of the touch screen maintenance door.
8. A double-maintenance door structure according to claim 1, characterized in that: An anti-falling chain is also provided between the touch screen maintenance door and the cabinet body.
9. A double-maintenance door structure according to claim 2, characterized in that: A limiting rod is provided between the identity recognition device maintenance door and the cabinet body. One end of the limiting rod is fixed on the vertical hinge fixing bracket through a limiting rod bracket, and the other end is provided with a limiting rod slider. The limiting rod slider is connected to a limiting rod slide rail. The limiting rod slide rail is fixed at the bottom of the identity recognition device maintenance door. The limiting rod slide rail is provided with a chute corresponding to the limiting rod slider. One end of the chute is provided with a limiting groove, and the limiting groove communicates with the chute. The limiting groove is close to the hinge joint of the identity recognition device maintenance door and the cabinet body.
10. A double-maintenance door structure according to claim 1, characterized in that: An anti-falling support is provided at the bottom of the cabinet body. The identity recognition device maintenance door is provided with rollers corresponding to the anti-falling support. The rollers are fixed on the limiting rod slide rail by roller brackets.