Door lock special for elevator

Abstract

The utility model relates to the technical field of door locks, and discloses a door lock special for an elevator, which comprises a lock body suitable for the elevator, a threaded column is connected to one side of the lock body, two nuts are connected to the outer side of the threaded column in a threaded mode, a spring bolt sleeved on the outer side of the threaded column is clamped between the nuts, and a soft cushion is sleeved on one side of the lock body. A triangular block connected to one end of the threaded column is mounted on the inner side of the lock body, a sealing moisture-proof assembly is arranged on one side of the triangular block, the pull rod sequentially drives the sliding plate and the lock rod to leave the inner side of the lock groove by pulling the pull rod upwards, meanwhile, the spring is stressed and compressed, a worker inserts a key into the outer side of the triangular block at the moment, and then the lock body can be opened or closed. The accurate position of the cover plate during closing is ensured through the first limiting groove and the insertion rod, the possibility of dislocation or shaking is reduced, the situation that a worker needs to manually and sequentially insert the positioning columns into open holes of a capsule is avoided, and the use convenience of the lock body is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of door locks, in particular to a special door lock for elevators. Background Art

[0002] An elevator is a permanent transportation device that serves several specific floors in a building and whose car runs on at least two rows of rigid tracks that are perpendicular to the horizontal plane or have an inclination angle of less than 15° to the plumb line.

[0003] In the Chinese patent with the authorization publication number CN218664909U, an elevator door lock is disclosed, which relates to the technical field of elevator components, including a main body, a threaded column is rotatably connected to the inner side of the main body, a triangular block is fixedly installed at one end of the threaded column, a hand nut is arranged on the outer surface of the threaded column, a lock tongue is arranged between the hand nuts, a through hole is opened on the surface of the lock tongue, a rubber plug is arranged on one side of the triangular block, an outer frame is fixedly installed on the outer surface of the rubber plug, and a positioning column is fixedly connected to the side of the main body. By arranging the main body, the threaded column, the triangular block, the hand nut, the lock tongue, the through hole, the rubber plug, the outer frame and the positioning column, the rubber plug can be connected to the main body by using the connecting ring and the rope, and the rubber plug can be aligned with the triangular block by using the outer frame and the positioning column, so that the rubber plug can be inserted into the main body, thereby protecting the triangular lock, avoiding the triangular lock being blocked by foreign objects when the elevator is used to transport goods and other materials, which is beneficial to actual use.

[0004] The above patent has the following defects: in the above patent, when the door lock is not in use, the staff needs to manually insert the positioning columns into the openings like capsules one by one. In this process, the staff needs to spend a lot of time, resulting in poor convenience in using the door lock. At the same time, when the desiccant needs to be replaced, the door lock needs to be disassembled for replacement. For this reason, a special elevator door lock is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a special door lock for elevators to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solutions: a special door lock for elevators, comprising a lock body suitable for elevators, one side of the lock body is connected to a threaded column, the outer side of the threaded column is threadedly connected to two nuts, a lock tongue sleeved on the outer side of the threaded column is sandwiched between the nuts, one side of the lock body is sleeved with a soft pad, the inner side of the lock body is installed with a triangular block connected to one end of the threaded column, and one side of the triangular block is provided with a sealing and moisture-proof component;

[0007] The sealing moisture-proof assembly includes a fixing frame, a cover plate and a moisture-proof mechanism. The inner wall of the fixing frame is slidably connected with a slide plate, a locking rod is fixed at the bottom of the slide plate, and a sealing ring is bonded to one side of the lock body on one side of the cover plate.

[0008] Preferably, a first limiting groove is provided on one side of the lock body, an insertion rod fixed to one side of the cover plate is inserted into the inner side of the first limiting groove, and a lock groove is provided on one side of the insertion rod.

[0009] Preferably, a connecting plate is fixed to the bottom of the lock body, and one side of the connecting plate is hinged to one side of the cover plate.

[0010] Preferably, the outer side of the locking rod is inserted into the inner side of the locking groove, and a pull rod which movably passes through one side of the top of the fixing frame is fixed on the top of the sliding plate.

[0011] Preferably, a spring is sleeved on the outer side of the pull rod, and two ends of the spring are respectively connected to the inner wall of the fixing frame and one side of the slide plate.

[0012] Preferably, the moisture-proof mechanism comprises a baffle, a second limiting groove is provided on one side of the inner wall of the lock body, a desiccant is placed inside the second limiting groove, and a plurality of through holes are provided on one side of the baffle.

[0013] Preferably, the outer side of the baffle is adapted to the inner side of the second limiting groove, a push rod located on one side of the baffle is fixed to one side of the cover plate, and the bottom of the fixing frame is fixed to the top side of the lock body.

[0014] Compared with the prior art, the utility model adopts the above technical solution and has the following technical effects:

[0015] 1. By pulling the pull rod upward, the pull rod drives the slide plate and the lock rod to leave the inner side of the lock groove in turn, and the spring is compressed at the same time. At this time, the cover is opened under the elasticity of the sealing ring. At this time, the staff uses the key to insert the outside of the triangular block to open or close the lock body. In this process, the sealing ring ensures the sealing of the cover when it is closed, and prevents possible external interference or damage. The first limit groove and the insertion rod ensure the accurate position of the cover when it is closed, reducing the possibility of misalignment or shaking, and avoiding the need for staff to manually insert the positioning columns into the openings like capsules in turn, thereby improving the convenience of the lock body when in use.

[0016] 2. Insert a screwdriver into the gap between the baffle and the second limit groove, remove the baffle, and then take out the desiccant in the second limit groove for replacement. At the same time, when closing the baffle, the push rod contacts one side of the baffle to prevent the baffle from falling off due to external force. Through the simple and intuitive structure, both professional maintenance personnel and ordinary users can easily replace the desiccant, and when replacing the desiccant, there is no need to remove the door lock, which improves user-friendliness. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is a schematic diagram of the structure of the utility model from a first perspective;

[0019] Figure 2 This is a schematic diagram of the structure of the utility model from a second viewing angle;

[0020] Figure 3 This is a schematic diagram of the structure of the utility model from a third viewing angle;

[0021] Figure 4 This is a schematic diagram of the structure of the utility model from a fourth viewing angle;

[0022] Figure 5 It is a right side cross-sectional structural schematic diagram of the cover plate of the utility model;

[0023] Figure 6 It is a right side cross-sectional structural schematic diagram of the insertion rod of the utility model.

[0024] Explanation of the reference numerals in the accompanying drawings: 1. lock body; 2. cushion; 3. sealing and moisture-proof component; 31. fixing frame; 32. cover plate; 33. sealing ring; 34. connecting plate; 35. locking rod; 36. locking groove; 37. insertion rod; 38. slide plate; 39. spring; 310. pull rod; 311. first limiting groove; 312. push rod; 313. baffle; 314. second limiting groove; 4. threaded column; 5. nut; 6. locking tongue; 7. triangular block; 8. desiccant. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] It should be noted that when an element is referred to as being "fixed on" or "set on" another element, it can be directly on the other element or indirectly set on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0027] It should be understood that the terms "length", "width", "up", "down", "front", "back", "first", "second", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0028] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, "multiple" and "several" mean two or more, unless otherwise clearly and specifically defined.

[0029] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0030] Example

[0031] See also Figure 1-6 The utility model provides a technical solution: a special door lock for elevators, comprising a lock body 1 suitable for elevators, a threaded column 4 is connected to one side of the lock body 1, and two nuts 5 are threadedly connected to the outer side of the threaded column 4, the two nuts 5 on the outer side of the threaded column 4 on one side of the lock body 1 are rotated to adjust the position of the lock tongue 6, and then the nuts 5 are rotated to clamp the lock tongue 6, and then the soft pad 2 on one side of the lock body 1 is fitted with the hall, and the lock tongue 6 sleeved on the outer side of the threaded column 4 is clamped between the nuts 5, and a soft pad 2 is sleeved on one side of the lock body 1, and the soft pad 2 improves the fit between the lock body 1 and the hall door, and a triangular block 7 connected to one end of the threaded column 4 is installed on the inner side of the lock body 1, and a sealing and moisture-proof component 3 is arranged on one side of the triangular block 7;

[0032] In order to increase the service life of the lock body 1, a sealing and moisture-proof component 3 is provided, which includes a fixing frame 31, a cover plate 32 and a moisture-proof mechanism. A slide plate 38 is slidably connected to the inner wall of the fixing frame 31, a locking rod 35 is fixed to the bottom of the slide plate 38, a sealing ring 33 that is adhered to one side of the lock body 1 is bonded to one side of the cover plate 32, a first limiting groove 311 is provided on one side of the lock body 1, an insertion rod 37 fixed to one side of the cover plate 32 is inserted into the inner side of the first limiting groove 311, a locking groove 36 is provided on one side of the insertion rod 37, and the pull rod 310 is pulled upward so that the pull rod 310 drives the slide plate 38 and the locking rod 35 to leave the inner side of the locking groove 36 in turn, and the spring 39 is compressed at the same time. At this time, under the elasticity of the sealing ring 33, the cover plate 32 is opened, and a connecting plate 34 is fixed to the bottom of the lock body 1, and one side of the connecting plate 34 is hinged to one side of the cover plate 32.

[0033] The outer side of the locking rod 35 is inserted into the inner side of the locking groove 36, and a pull rod 310 that runs movably through one side of the top of the fixing frame 31 is fixed on the top of the slide plate 38. A spring 39 is sleeved on the outer side of the pull rod 310. The two ends of the spring 39 are respectively connected to the inner wall of the fixing frame 31 and one side of the slide plate 38. The cover plate 32 is rotated so that the insertion rod 37 is inserted into the inner side of the first limiting groove 311. The pull rod 310 is pulled and then released. Under the elastic force of the spring 39, the locking rod 35 is inserted into the inner side of the locking groove 36. At this time, the installation of the cover plate 32 is completed. The moisture-proof mechanism includes a baffle 313. A second limiting groove 314 is opened on one side of the inner wall of the lock body 1. A desiccant 8 is placed inside the second limiting groove 314. A plurality of through holes are provided on one side of the plate 313, and the through holes are used for the desiccant 8 to absorb humid air. The outer side of the baffle 313 is adapted to the inner side of the second limiting groove 314. A push rod 312 located on one side of the baffle 313 is fixed to one side of the cover plate 32. The bottom of the fixing frame 31 is fixed to the top side of the lock body 1. The sealing ring 33 ensures the sealing of the cover plate 32 when it is closed, and prevents possible external interference or damage. The first limiting groove 311 and the insertion rod 37 ensure the accurate position of the cover plate 32 when it is closed, and reduce the possibility of misalignment or shaking, and avoid the need for staff to manually insert the positioning columns into the openings like capsules in sequence, thereby improving the convenience of the lock body 1 when in use.

[0034] Working principle: when the lock body 1 needs to be installed with the elevator, first rotate the two nuts 5 on the outside of the threaded column 4 on one side of the lock body 1 to adjust the position of the lock tongue 6, then rotate the nut 5 to clamp the lock tongue 6, and then fit the soft pad 2 on one side of the lock body 1 with the hallway. The soft pad 2 improves the fit between the lock body 1 and the hall door. When the lock body 1 needs to be used, the staff pulls the pull rod 310 upward, so that the pull rod 310 drives the slide plate 38 and the lock rod 35 to leave the inner side of the lock groove 36 in turn, and at the same time compresses the spring 39. At this time, under the elasticity of the sealing ring 33, the cover plate 32 is opened. At this time, the staff inserts the key on the outside of the triangular block 7 to open or close the lock body 1;

[0035] When the staff has completed the operation, they only need to rotate the cover 32 so that the insertion rod 37 is inserted into the inner side of the first limiting groove 311, pull the pull rod 310 and then release it, and under the elastic force of the spring 39, the locking rod 35 is inserted into the inner side of the locking groove 36. At this time, the installation of the cover 32 is completed. The sealing ring 33 ensures the sealing of the cover 32 when it is closed, and prevents possible external interference or damage. The first limiting groove 311 and the insertion rod 37 ensure the accurate position of the cover 32 when it is closed, reducing the possibility of misalignment or shaking, and avoiding the need for staff to manually insert the positioning columns into the openings like the capsule one by one, thereby improving the convenience of the lock body 1 when in use.

[0036] When the desiccant 8 needs to be replaced, when the cover 32 is opened, it is only necessary to use a screwdriver to insert it into the gap between the baffle 313 and the second limiting groove 314, remove the baffle 313, and then take out the desiccant 8 inside the second limiting groove 314 for replacement. At the same time, when the cover 32 is closed, the push rod 312 abuts against one side of the baffle 313 to prevent the baffle 313 from falling off due to external force. Through the simple and intuitive structure, both professional maintenance personnel and ordinary users can easily replace the desiccant 8, and when the desiccant 8 is replaced, there is no need to remove the door lock, which improves user-friendliness.

[0037] So far, the embodiments of the utility model have been described in detail in conjunction with the accompanying drawings. It should be noted that the implementation methods not shown or described in the drawings or the body of the specification are all forms known to ordinary technicians in the relevant technical field and are not described in detail. In addition, the above definitions of each component are not limited to the various specific structures, shapes or methods mentioned in the embodiments, and ordinary technicians in the field can simply change or replace them.

[0038] Those skilled in the art will appreciate that the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways, even if such combinations and / or combinations are not explicitly described in the present invention. In particular, the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways without departing from the spirit and teachings of the present invention. All of these combinations and / or combinations fall within the scope of the present invention.

[0039] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A door lock for elevators, comprising a lock body (1) suitable for elevators, characterized in that: One side of the lock body (1) is connected to a threaded column (4), the outer side of the threaded column (4) is threadedly connected to two nuts (5), a lock tongue (6) sleeved on the outer side of the threaded column (4) is clamped between the nuts (5), one side of the lock body (1) is sleeved with a soft pad (2), the inner side of the lock body (1) is installed with a triangular block (7) connected to one end of the threaded column (4), and one side of the triangular block (7) is provided with a sealing moisture-proof component (3); The sealing moisture-proof component (3) comprises a fixing frame (31), a cover plate (32) and a moisture-proof mechanism; the inner wall of the fixing frame (31) is slidably connected with a slide plate (38); a locking rod (35) is fixed to the bottom of the slide plate (38); and a sealing ring (33) is bonded to one side of the lock body (1) on one side of the cover plate (32).

2. The elevator door lock according to claim 1, characterized in that: A first limiting groove (311) is provided on one side of the lock body (1), an insertion rod (37) fixed to one side of the cover plate (32) is inserted into the inner side of the first limiting groove (311), and a locking groove (36) is provided on one side of the insertion rod (37).

3. The elevator door lock according to claim 2, characterized in that: A connecting plate (34) is fixed to the bottom of the lock body (1), and one side of the connecting plate (34) is hinged to one side of the cover plate (32).

4. The elevator door lock according to claim 3, characterized in that: The outer side of the locking rod (35) is inserted into the inner side of the locking groove (36), and a pull rod (310) that movably penetrates one side of the top of the fixing frame (31) is fixed on the top of the sliding plate (38).

5. The elevator door lock according to claim 4, characterized in that: A spring (39) is sleeved on the outside of the pull rod (310), and two ends of the spring (39) are respectively connected to the inner wall of the fixing frame (31) and one side of the slide plate (38).

6. The elevator door lock according to claim 1, characterized in that: The moisture-proof mechanism comprises a baffle (313), a second limiting groove (314) is provided on one side of the inner wall of the lock body (1), a desiccant (8) is placed inside the second limiting groove (314), and a plurality of through holes are provided on one side of the baffle (313).

7. The elevator door lock according to claim 6, characterized in that: The outer side of the baffle (313) is adapted to the inner side of the second limiting groove (314), a push rod (312) located on one side of the baffle (313) is fixed to one side of the cover plate (32), and the bottom of the fixing frame (31) is fixed to the top side of the lock body (1).

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