Subway exit sign convenient to install

The pre-fixed design of the snap-on plate and the limit plate between the subway exit sign and the connecting frame, combined with bolt tightening, solves the problems of complex installation and safety risks in the existing technology, and achieves convenient and efficient installation and maintenance.

CN223333477UActive Publication Date: 2025-09-12TIANJIN LINE 3 RAIL TRANSIT OPERATION CO LTD
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Patent Information

Application Number
CN202422778408.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-14
Publication Date
2025-09-12
Estimated Expiration
2034-11-14

AI Technical Summary

Technical Problem

The connection between existing subway exit signs and connecting frames relies on bolt fastening, which makes installation difficult and time-consuming during high-altitude operations and poses safety risks.

Method used

The pre-fixed design between the snap plate of the sign body and the limit plate of the connecting frame is adopted. The snap pin is pushed by a spring to achieve preliminary docking, combined with bolt tightening to simplify the installation process.

Benefits of technology

It improves installation efficiency and accuracy, reduces the difficulty and safety risks of high-altitude operations, and facilitates subsequent maintenance and replacement.

✦ Generated by Eureka AI based on patent content.

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Abstract

The subway exit sign convenient to install comprises a sign main body and a connecting frame, clamping grooves are formed in the outer surfaces of two sets of limiting plates, two sets of clamping plates are fixedly installed on the two sides of the top end of the sign main body, the two sets of clamping plates are far away from each other, and the connecting frame is fixedly connected with the sign main body. Circular grooves are formed in the outer surfaces of the two sides of the two sets of clamping plates, the inner walls of the circular grooves are connected with springs, one ends of the springs are connected with clamping pins, the connecting frame is firstly fixed to the top end of an outlet, then the arc-shaped clamping plates of the sign body easily slide into the limiting plates of the connecting frame, and preliminary butt joint is achieved. The spring in the clamping plate pushes the clamping pin wrapped by the rubber to automatically stretch out and be stably embedded into the clamping groove to complete pre-fixing, the installation process is simplified, and efficiency and accuracy are improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of subway exit sign installation, in particular to a subway exit sign that is easy to install. Background Art

[0002] Exit signs play a crucial role in existing subway systems, providing passengers with clear and accurate exit guidance and ensuring they can quickly find the correct exit. These signs are typically mounted on top of subway exits using brackets to maximize their visibility and effectiveness. However, during installation, several challenges remain.

[0003] Currently, most subway exit signs rely on bolted fastening to connect to the connecting frame. While this connection method offers excellent stability, it presents numerous challenges in practice. Especially in high-altitude environments, installers face complex and tedious procedures. The lack of an effective pre-fixing mechanism between the sign and the connecting frame makes aligning the bolts and screw holes during installation extremely difficult. This not only increases installation time but also increases the difficulty and safety risks of the operation, as working at height is inherently uncertain and dangerous. Utility Model Content

[0004] (1) Purpose of the utility model

[0005] In view of this, the purpose of the present invention is to provide a subway exit sign that is easy to install and solves the problems raised in the above background.

[0006] (2) Technical solution

[0007] A subway exit sign that is easy to install includes a sign body and a connecting frame, wherein fixing plates are fixedly installed at both ends of the top of the connecting frame, and multiple groups of first screw holes are provided on the outer surfaces of the fixing plates, connecting plates are fixedly installed on both sides of the bottom end of the connecting frame, and two groups of limit plates are fixedly installed on the other two sides of the bottom end of the connecting frame, and the outer surfaces of the two groups of limit plates are provided with engaging grooves, and the two groups of engaging plates are fixedly installed on both sides of the top of the sign body, and the two groups of engaging plates are far away from each other, and circular grooves are provided on the outer surfaces of both sides of the two groups of engaging plates, and the inner walls of the circular grooves are connected to springs, and one end of the spring is connected to a engaging pin.

[0008] Preferably, reinforcement rods are fixedly installed between the connecting frames.

[0009] Preferably, triangular reinforcement blocks are fixedly installed on both sides of the connecting frame and the connecting plate.

[0010] Preferably, multiple groups of second screw holes are provided on both sides of the outer surface of the top of the sign body, and the multiple groups of second screw holes are fixedly connected to the connecting plate through multiple groups of bolts.

[0011] Preferably, the top end of the clamping plate is arc-shaped.

[0012] Preferably, the outer surface of the locking pin is wrapped with rubber.

[0013] Preferably, one end of the locking pin is arc-shaped.

[0014] It can be seen from the above technical solutions that this application has the following beneficial effects:

[0015] 1. This utility model first secures the connecting frame to the top of the exit, then uses the arc-shaped snap plate of the sign body to easily slide between the limit plates of the connecting frame to achieve preliminary docking. The spring inside the snap plate pushes the rubber-wrapped snap pin to automatically extend and firmly fit into the snap groove to complete the pre-fixation, simplifying the installation process and improving efficiency and accuracy.

[0016] 2. After the pre-fixing mechanism is completed, the installation work enters the final tightening stage. At this point, the installer can easily and accurately insert multiple sets of bolts through the second screw holes at the top of the sign body and tighten them to the connecting plate. This installation method also facilitates subsequent maintenance and replacement, reducing maintenance costs and improving the overall user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the first three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the second three-dimensional structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the explosion structure of the utility model;

[0020] Figure 4 For this utility model Figure 3 A in the middle is an enlarged schematic diagram;

[0021] Figure 5 For this utility model Figure 3 Enlarged schematic diagram of point B in the middle.

[0022] In the figure: 1. Sign body; 2. Connecting frame; 3. Fixing plate; 4. Reinforcement rod; 5. First screw hole; 6. Engaging plate; 7. Limiting plate; 8. Connecting plate; 9. Bolt; 811. Triangular reinforcement block; 812. Second screw hole; 711. Engaging groove; 611. Circular groove; 612. Spring; 613. Engaging pin. DETAILED DESCRIPTION

[0023] The following description is merely illustrative in nature and is not intended to limit the present disclosure, its applications, or uses. It should be understood that throughout the drawings, identical or similar reference numerals indicate identical or similar parts and features. The drawings merely schematically illustrate the concepts and principles of the embodiments of the present disclosure and do not necessarily depict the specific dimensions and proportions of the various embodiments of the present disclosure. Certain portions of certain drawings may be exaggerated to illustrate relevant details or structures of the embodiments of the present disclosure.

[0024] See also Figure 1-5 , an embodiment provided by the utility model:

[0025] A subway exit sign that is easy to install includes a sign body 1 and a connecting frame 2. Fixed plates 3 are fixedly installed on both ends of the top of the connecting frame 2, and multiple groups of first screw holes 5 are provided on the outer surface of the fixing plate 3. Connecting plates 8 are fixedly installed on both sides of the bottom end of the connecting frame 2, and two groups of limiting plates 7 are fixedly installed on the other two sides of the bottom end of the connecting frame 2. The outer surfaces of the two groups of limiting plates 7 are provided with engaging grooves 711. Two groups of engaging plates 6 are fixedly installed on both sides of the top of the sign body 1, and the two groups of engaging plates 6 are far away from each other. Circular grooves 611 are provided on the outer surfaces of both sides of the two groups of engaging plates 6, and the inner wall of the circular groove 611 is connected to a spring 612, and one end of the spring 612 is connected to a engaging pin 613.

[0026] Furthermore, a reinforcement rod 4 is fixedly installed between the connecting frames 2, which effectively improves the structural strength and stability of the entire connecting frame, preventing deformation or loosening caused by long-term bearing of the weight of the sign body 1 and external environmental factors.

[0027] Furthermore, triangular reinforcement blocks 811 are fixedly installed on both sides of the connecting frame 2 and the connecting plate 8. The triangular reinforcement blocks 811 enhance the strength and rigidity of the connection parts, ensure a stable connection between the sign body 1 and the connecting frame 2, and reduce safety hazards caused by loose connection parts.

[0028] Furthermore, multiple sets of second screw holes 812 are formed on both sides of the outer surface of the top of the sign body 1, and the multiple sets of second screw holes 812 are fixedly connected to the connecting plate 8 by multiple sets of bolts 9. This facilitates subsequent tightening during installation and allows the sign body to be easily disassembled when repair or replacement is required, thereby improving the convenience of maintenance.

[0029] Furthermore, the top end of the engaging plate 6 is in an arc shape, which helps it to slide smoothly between the limiting plates 7 during the installation process, thereby reducing friction and resistance during installation and improving installation efficiency and accuracy.

[0030] Furthermore, the outer surface of the engaging pin 613 is wrapped with rubber, which increases the friction between the engaging pin 613 and the engaging groove 711, improves the stability of the engaging connection, protects the engaging groove from wear, and extends the service life.

[0031] Furthermore, one end of the locking pin 613 is arc-shaped, which facilitates its smooth embedding into the locking groove 711 on the outer surface of the limiting plate 7, thereby achieving a pre-fixing effect between the sign body 1 and the connecting frame 2, and reducing the difficulty of operation during the installation process.

[0032] Working Principle: When installing a subway exit sign, the first step is to properly install the connecting frame 2 at the top of the subway exit. This step is usually achieved by connecting the first screw holes 5 on the fixing plate 3 with the corresponding bolts to ensure that the connecting frame 2 is firmly and horizontally fixed in the predetermined position.

[0033] Next, the sign body 1 and the connecting frame 2 are installed and docked. This is achieved by two sets of snap plates 6 at the top of the sign body 1, which are designed to slide between the stop plates 7 at the bottom of the connecting frame 2. The arc-shaped top of the snap plates 6 facilitates smooth insertion into the gaps between the stop plates 7, reducing friction and resistance during installation.

[0034] When the locking plate 6 is fully inserted, the springs 612 located within the circular grooves 611 on either side of the locking plate 6 begin to function. The elastic force of the springs 612 pushes the locking pins 613 outward. The outer surface of the locking pins 613 is coated with rubber, which increases friction and protects the locking grooves 711 from wear. Furthermore, one end of the locking pins 613 is designed with an arc shape, facilitating smooth insertion into the locking grooves 711 on the outer surface of the stop plate 7, thereby achieving a pre-fixed effect.

[0035] After the pre-fixing is completed, the installer can more easily and accurately pass multiple groups of bolts 9 through the second screw holes 812 at the top of the sign body 1 and fasten them to the connecting plate 8.

[0036] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A subway exit sign that is easy to install, comprising a sign body (1) and a connecting frame (2), characterized in that: The top ends of the connecting frame (2) are fixedly mounted with fixing plates (3), and the outer surface of the fixing plate (3) is provided with a plurality of first screw holes (5); the bottom ends of the connecting frame (2) are fixedly mounted with connecting plates (8), and the other two sides of the bottom ends of the connecting frame (2) are fixedly mounted with two groups of limiting plates (7), and the outer surfaces of the two groups of limiting plates (7) are provided with engaging grooves (711); the top ends of the sign body (1) are fixedly mounted with two groups of engaging plates (6), and the two groups of engaging plates (6) are away from each other; the outer surfaces of the two sides of the two groups of engaging plates (6) are provided with circular grooves (611), and the inner wall of the circular groove (611) is connected to a spring (612), and one end of the spring (612) is connected to a engaging pin (613).

2. The easy-to-install subway exit sign according to claim 1, characterized in that: Reinforcement rods (4) are fixedly installed between the connecting frames (2).

3. The easy-to-install subway exit sign according to claim 1, characterized in that: Triangular reinforcement blocks (811) are fixedly mounted on both sides of the connecting frame (2) and the connecting plate (8).

4. The easy-to-install subway exit sign according to claim 1, characterized in that: Multiple sets of second screw holes (812) are provided on the outer surfaces of both sides of the top of the sign body (1), and the multiple sets of second screw holes (812) are fixedly connected to the connecting plate (8) through multiple sets of bolts (9).

5. The easy-to-install subway exit sign according to claim 1, characterized in that: The top end of the clamping plate (6) is in an arc shape.

6. The easy-to-install subway exit sign according to claim 1, characterized in that: The outer surface of the locking pin (613) is wrapped with rubber.

7. The easy-to-install subway exit sign according to claim 1, characterized in that: One end of the locking pin (613) is in an arc shape.