Safety lock for access cover plate

Abstract

The utility model provides an access cover plate safety lock, and relates to the field of safety locks, the access cover plate safety lock comprises a first mounting plate and a second mounting plate, a protective cover is arranged between the first mounting plate and the second mounting plate, the second mounting plate is fixedly connected with a fixing seat located on one side of the protective cover, and a locking piece is arranged between the fixing seat and the protective cover. According to the elevator safety lock, through the arrangement of the protective cover, the direct influence of the internal environment of an elevator can be effectively isolated through the protective cover, the durability and reliability of electronic elements of the safety lock are remarkably improved, and the overall durability and long-term operation stability of the safety lock are remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the safety lock field, specifically, relate to a kind of overhauling cover plate safety lock. BACKGROUND

[0002] In the elevator field, the safety locking mechanism of overhauling cover plate is the key component to ensure the safety of elevator maintenance personnel when carrying out maintenance operation, and the traditional safety lock design is mostly realized access control using password lock or fingerprint lock, and these locks allow or refuse access to overhauling cover plate by preset password or user's fingerprint information to verify identity;

[0003] However, the safety lock of the prior art has a significant defect: its control panel is usually directly exposed to the elevator internal environment; The elevator internal environment is often complex and changeable, including temperature change, humidity fluctuation, dust accumulation and occasional liquid splash, etc., which can cause damage to the electronic components of the control panel, resulting in decreased performance and increased failure rate of the lock. Therefore, we improve it and propose a kind of overhauling cover plate safety lock. SUMMARY

[0004] The utility model aims at: the control panel is usually directly exposed to the elevator internal environment, and is easy to be damaged.

[0005] In order to realize the above-mentioned invention purpose, the utility model provides overhauling cover plate safety lock to improve the above-mentioned problem.

[0006] The application is as follows:

[0007] An overhauling cover plate safety lock, comprising a first mounting plate and a second mounting plate, a protective cover is arranged between the first mounting plate and the second mounting plate, a fixed seat is fixedly connected to one side of the protective cover on the second mounting plate, and a locking member is arranged between the fixed seat and the protective cover.

[0008] As a preferred technical solution of the application, the protective cover is connected to the first mounting plate by a hinge.

[0009] As a preferred technical solution of the application, the locking member comprises a lock cylinder mounted on the protective cover, the lock cylinder is connected with a lock tongue, an elongated opening is formed on one side of the protective cover close to the fixed seat, and one end of the lock tongue passes through the elongated opening.

[0010] As a preferred technical solution of the application, the locking member further comprises a limiting slot formed in the fixed seat, and one end of the lock tongue is inserted into the limiting slot.

[0011] As a preferred technical solution of the application, a lock is arranged between the second mounting plate and the first mounting plate.

[0012] As a preferred technical scheme of the present application, the lockset comprises an electromagnetic lock fixedly installed on the first mounting plate, and the electromagnetic lock has a lock pin.

[0013] As a preferred technical scheme of the present application, the lockset further comprises a lock seat installed on the second mounting plate, and the lock seat is provided with a lock hole, and one end of the lock pin is inserted into the lock hole.

[0014] As a preferred technical scheme of the present application, the first mounting plate is provided with a control panel body connected with the electromagnetic lock, and the control panel body is provided with a fingerprint recognizer and a password keyboard.

[0015] As a preferred technical scheme of the present application, the first mounting plate and the second mounting plate are both provided with mounting holes for mounting the first mounting plate and the second mounting plate.

[0016] As a preferred technical scheme of the present application, the protective cover is transparent.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] In the scheme of the present application:

[0019] In order to solve the problem that the control panel is usually directly exposed to the internal environment of the elevator and is easily damaged in the prior art, the protective cover is arranged in the present application, which can effectively isolate the direct influence of the internal environment of the elevator, significantly improve the durability and reliability of the electronic elements of the safety lock, and significantly improve the overall durability and long-term operation stability of the safety lock. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The structure diagram of the safety lock of the maintenance cover plate is provided in the present application;

[0021] Figure 2 The exploded view of the safety lock of the maintenance cover plate is provided in the present application;

[0022] Figure 3 The structure diagram of the lock hole of the safety lock of the maintenance cover plate is provided in the present application;

[0023] Figure 4 The structure diagram of the elongated hole of the safety lock of the maintenance cover plate is provided in the present application.

[0024] Indicated in the figure:

[0025] 1, the first mounting plate;

[0026] 2, the second mounting plate;

[0027] 3. Protective cover; 301. Fixed seat; 302. Limiting groove; 303. Lock core; 304. Lock tongue; 305. Long opening;

[0028] 4. Lock seat; 401. Lock hole;

[0029] 5. Electromagnetic lock; 501. Lock pin; 502. Control panel body. DETAILED DESCRIPTION

[0030] In order to help those skilled in the art better understand the present invention, the following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of the present invention.

[0031] As described in the background technology, this type of safety lock in the prior art has a significant flaw: its control panel is usually directly exposed to the interior environment of the elevator; the interior environment of the elevator is often complex and changeable, including temperature changes, humidity fluctuations, dust accumulation and occasional liquid splashing, etc. These factors may damage the electronic components of the control panel, resulting in reduced lock performance and increased failure rate.

[0032] In order to solve this technical problem, the utility model provides an inspection cover safety lock.

[0033] Specifically, please refer to Figures 1-4 , the inspection cover safety lock specifically includes:

[0034] A first mounting plate 1 and a second mounting plate 2 are provided with a protective cover 3 between the first mounting plate 1 and the second mounting plate 2. A fixing seat 301 located on one side of the protective cover 3 is fixedly connected to the second mounting plate 2. A locking member is provided between the fixing seat 301 and the protective cover 3.

[0035] The inspection cover safety lock provided by the utility model has a protective cover 3 provided in the present application, which can effectively isolate the direct influence of the internal environment of the elevator, significantly improve the durability and reliability of the electronic components of the safety lock, and significantly improve the overall durability and long-term operation stability of the safety lock.

[0036] In order to enable those skilled in the art to better understand the solution of the present invention, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0037] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions therein can be combined with each other.

[0038] It should be noted that like reference numerals and characters refer to like items throughout the drawings and that once an item is defined in one drawing, it is not necessary to further define and explain it in the subsequent drawings.

[0039] Embodiment 1, please refer to Figures 1-4 The safety lock for the maintenance cover plate comprises a first mounting plate 1 and a second mounting plate 2, a protective cover 3 is arranged between the first mounting plate 1 and the second mounting plate 2, a fixed seat 301 is fixedly connected to one side of the protective cover 3 on the second mounting plate 2, and a locking piece is arranged between the fixed seat 301 and the protective cover 3; the protective cover 3 can effectively isolate the direct influence of the internal environment of the elevator, significantly improve the durability and reliability of the electronic elements of the safety lock, and significantly improve the overall durability and long-term operation stability of the safety lock.

[0040] Further, the protective cover 3 is connected with the first mounting plate 1 through a hinge, so that the protective cover 3 can be rotatably opened.

[0041] Further, as shown in Figure 2 and Figure 3 , the locking piece comprises a lock cylinder 303 mounted on the protective cover 3, the lock cylinder 303 is connected with a lock tongue 304, an elongated opening 305 is formed on one side of the protective cover 3 close to the fixed seat 301, one end of the lock tongue 304 penetrates through the elongated opening 305, and the lock cylinder 303 is a commonly used triangular lock for the elevator, so that the maintenance personnel do not need to wear other keys, and can operate the lock cylinder 303 by using the original triangular key.

[0042] Further, as shown in Figure 1 and Figure 4 , the locking piece further comprises a limiting groove 302 formed on the fixed seat 301, one end of the lock tongue 304 is inserted into the limiting groove 302, and the insertion of the lock tongue 304 and the limiting groove 302 can realize the locking of the protective cover 3, and the use of the triangular key to operate the lock cylinder 303 can make the lock tongue 304 separate from the limiting groove 302, so that the protective cover 3 can be opened.

[0043] Embodiment 2, the safety lock for the maintenance cover plate provided in Embodiment 1 is further optimized, specifically, a lock is arranged between the second mounting plate 2 and the first mounting plate 1, the lock is used for locking the maintenance cover plate, and the second mounting plate 2 and the first mounting plate 1 are respectively used for connecting with the maintenance cover plate and the equipment on which the maintenance cover plate is mounted.

[0044] Further, as shown in Figure 2 and Figure 3 , the lock comprises an electromagnetic lock 5 fixedly mounted on the first mounting plate 1, the electromagnetic lock 5 has a lock pin 501, and the lock pin 501 moves under the control of the electromagnetic lock 5.

[0045] Further, as shown in Figure 2 and Figure 3 The lock further comprises a lock seat 4 mounted on the second mounting plate 2, the lock seat 4 is provided with a lock hole 401, one end of the lock pin 501 is inserted into the lock hole 401, and the lock pin 501 is inserted into the lock hole 401 to achieve locking, and the lock pin 501 is separated from the lock hole 401 to achieve unlocking.

[0046] Further, as shown in Figure 3 The first mounting plate 1 is provided with a control panel body 502, the control panel body 502 is connected with the electromagnetic lock 5, and the control panel body 502 is provided with a fingerprint recognizer and a password keyboard, the fingerprint recognizer is used for identifying the fingerprint of the maintenance personnel, and the password keyboard is used for the maintenance personnel to input the password for identification, and the electromagnetic lock 5 drives the lock pin 501 to separate from the lock hole 401 to achieve unlocking when the identification is passed, and then the maintenance cover is opened for maintenance.

[0047] In the embodiment 3, the safety lock of the maintenance cover is further optimized, and specifically, as shown in Figure 2 and Figure 3 The first mounting plate 1 and the second mounting plate 2 are provided with mounting holes, and the mounting holes are used for mounting the first mounting plate 1 and the second mounting plate 2.

[0048] Further, as shown in Figure 4 The protective cover 3 is transparent, so that the inside of the protective cover 3 can be observed through the protective cover 3.

[0049] The use process of the safety lock of the maintenance cover is as follows:

[0050] The second mounting plate 2 is mounted on the maintenance cover through bolts and mounting holes, and the first mounting plate 1 is mounted on the corresponding equipment of the maintenance cover, when maintenance, the lock cylinder 303 is operated by using a triangular key to make the lock tongue 304 rotate and separate from the limiting groove 302, the protective cover 3 is opened, the password is input or the fingerprint is identified, and the lock pin 501 is separated from the lock hole 401 by the electromagnetic lock 5 to achieve unlocking when the identification is passed, and then the maintenance cover is opened for maintenance, and after the maintenance is completed, the cover is closed, the lock pin 501 is inserted into the lock hole 401 by the electromagnetic lock 5 to lock the maintenance cover, the protective cover 3 is closed, and the lock cylinder 303 is operated by using a triangular key to make the lock tongue 304 rotate and be inserted into the limiting groove 302, and then the protective cover 3 is locked.

[0051] In the utility model, unless another definite provision and limitation, the term "mount", "link", "connect", "fix" and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection or each other can communicate;Can be direct connection, also can indirectly connect through intermediate medium, can be two element internal communication or two element mutual action relation, unless another definite limitation.For ordinary skilled person in the art, can understand the above-mentioned term in the utility model concrete meaning according to specific circumstances.

[0052] Obviously, the above-described embodiments are only a part of the embodiments of the utility model, and not all the embodiments, the preferred embodiments of the utility model are given in the drawings, but do not limit the patent range of the utility model.The utility model can be realized in many different forms, and contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive.Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing specific embodiments, or make equivalent replacement to part of the technical features.For equivalent structures made by using the contents of the utility model specification and drawings, directly or indirectly used in other related technical fields, are also within the patent protection scope of the utility model.

Claims

1. A maintenance cover safety lock, characterized in that: The invention comprises a first mounting plate (1) and a second mounting plate (2), wherein a protective cover (3) is provided between the first mounting plate (1) and the second mounting plate (2), a fixing seat (301) located on one side of the protective cover (3) is fixedly connected to the second mounting plate (2), and a locking member is provided between the fixing seat (301) and the protective cover (3).

2. The inspection cover safety lock according to claim 1, characterized in that: The protective cover (3) is connected to the first mounting plate (1) via a hinge.

3. The inspection cover safety lock according to claim 2, characterized in that: The locking member comprises a lock core (303) mounted on the protective cover (3), the lock core (303) being connected to a lock tongue (304), an elongated opening (305) being provided on one side of the protective cover (3) close to the fixing seat (301), and one end of the lock tongue (304) passing through the elongated opening (305).

4. The inspection cover safety lock according to claim 3, characterized in that: The locking member further comprises a limiting groove (302) provided on the fixing seat (301), and one end of the locking tongue (304) is plugged into the limiting groove (302).

5. The inspection cover safety lock according to claim 4, characterized in that: A lock is provided between the second mounting plate (2) and the first mounting plate (1).

6. The inspection cover safety lock according to claim 5, characterized in that: The lock comprises an electromagnetic lock (5) fixedly mounted on a first mounting plate (1), wherein the electromagnetic lock (5) has a lock pin (501).

7. The inspection cover safety lock according to claim 6, characterized in that: The lock further comprises a lock seat (4) mounted on the second mounting plate (2), a lock hole (401) being provided on the lock seat (4), and one end of the lock pin (501) is plugged into the lock hole (401).

8. The inspection cover safety lock according to claim 7, characterized in that: A control panel body (502) is mounted on the first mounting plate (1), the control panel body (502) is connected to the electromagnetic lock (5), and the control panel body (502) has a fingerprint identifier and a password keypad.

9. The inspection cover safety lock according to claim 8, characterized in that: The first mounting plate (1) and the second mounting plate (2) are both provided with mounting holes, and the mounting holes are used for mounting the first mounting plate (1) and the second mounting plate (2).

10. The inspection cover safety lock according to claim 9, characterized in that: The protective cover (3) is transparent.

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