Synchronous elevator door knife with limiting function

Abstract

The utility model relates to the technical field of elevator door knives, in particular to a synchronous elevator door knife with a limiting function, which comprises a door knife mounting bottom plate, two groups of symmetrically arranged door knife main bodies are mounted on the surface of the door knife mounting bottom plate through pins, and five groups of connecting holes are formed inside the door knife main bodies. A connecting mechanism is mounted in the middle of the door vane mounting bottom plate through pins, the connecting mechanism is mounted on the rear side of one group of door vane main bodies through pins, a lock rod transmission mechanism is arranged on one side of the connecting mechanism, and a rotating part is connected between the two groups of door vane main bodies through pins; the connecting mechanism comprises a connecting piece connected with the door vane body through a pin, a guide rod is fixedly arranged at the rear end of the connecting piece, and a guide sliding groove is formed in the connecting position of the guide rod and the door vane mounting bottom plate. According to the utility model, the movement of the door vane main body can be limited without forming a groove with a larger size on the door vane mounting bottom plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator door knife technical field especially is involved in a kind of synchronous elevator door knife with limiting function. BACKGROUND

[0002] Synchronous elevator door knife is elevator door machine, is installed on the elevator car door, for driving hall door, to realize the device of hall door car door synchronization.

[0003] Synchronous elevator door knife includes fixed door knife and movable door knife, between through door knife diagonal rod makes the coordinated motion between both, to realize the stable opening and closing of elevator door, but diagonal rod connection is not convenient for limiting synchronous elevator door knife, and it is prone to door knife misplacement;

[0004] The existing public technical scheme, the announcement number CN221565455U discloses a kind of synchronous elevator door knife components with limiting function, including mounting plate, the multidirectional support mechanism includes the vertical slot of being arranged in the middle part of the surface of mounting plate, the inner wall of vertical slot is symmetrically evenly distributed sliding connection with two sliding racks. By the sliding of two sliding rack plates in vertical slot, the distance adjustment of door body is carried out, and door knife moves more stably.

[0005] The above technical scheme is implemented in practice, in order to guide sliding rack, the length of vertical slot on mounting plate needs to meet the sliding demand of sliding rack, and the size of slot is relatively large, which will reduce the overall strength of mounting plate, thereby affecting the service life of mounting plate. SUMMARY

[0006] The utility model aims at providing a kind of synchronous elevator door knife with limiting function, can not open larger size slot to door knife installation bottom plate, it can be realized to limit the movement of door knife main body, to solve the problem proposed in the above background art.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of synchronous elevator door knife with limiting function, including door knife installation bottom plate, the surface of door knife installation bottom plate is installed with two groups of symmetrically placed door knife main body by pin, the inside of door knife main body is equipped with five groups of connecting holes, the middle part of door knife installation bottom plate is installed with connecting mechanism by pin, and connecting mechanism is installed at the rear side of one of the door knife main body by pin, the side of connecting mechanism is provided with lock rod transmission mechanism, and two groups of door knife main body are connected with rotating member by pin between them.

[0008] The connecting mechanism includes connecting piece connected with door knife main body by pin, and the rear end of connecting piece is fixedly provided with guide rod, the connecting place of guide rod and door knife installation bottom plate is equipped with guide sliding slot, and one end of guide rod through screw fixed connection with first tension spring in door knife installation bottom plate.

[0009] Preferably, the middle part of the rotating member is mounted on the surface of the door blade mounting base plate by a pin, and the inner part of the connecting member is provided with two groups of mounting holes.

[0010] Preferably, the lock rod transmission mechanism comprises a transmission member mounted on the surface of the door blade mounting base plate by a pin, the left side of the transmission member is rotationally connected with a pushing wheel, and the right side of the transmission member is fixedly provided with a lock rod main body.

[0011] Preferably, a second tension spring is fixedly mounted between the transmission member and the door blade mounting base plate by a screw.

[0012] Preferably, a lubricating mechanism is fixedly arranged above the door blade mounting base plate, a support frame is fixedly arranged at the rear end of the lubricating mechanism, and a lubricating oil storage bottle is fixedly arranged below the support frame.

[0013] Preferably, a tapered nozzle is fixedly arranged at the discharging end of the lubricating oil storage bottle, and a duckbill valve is fixedly arranged at the discharging end of the tapered nozzle.

[0014] Preferably, an oil receiving cylinder is fixedly arranged below the duckbill valve and on the top of the door blade mounting base plate, a lubricating groove is connected to the bottom of the oil receiving cylinder, and the lubricating groove is arranged on the surface of the door blade mounting base plate.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1. The two groups of door blade main bodies are connected by the rotating member, when the rotating member rotates, the two groups of door blade main bodies are driven to approach each other, the door blade main body is driven to rotate by the lock rod transmission mechanism through the connecting mechanism, the movement of the door blade main body is limited by the guide rod on the connecting mechanism cooperating with the guide sliding groove, the stability of the door blade main body is improved, the guide sliding groove has a small size, a large size groove does not need to be arranged on the door blade mounting base plate, the movement of the door blade main body is limited, and the strength of the door blade mounting base plate is guaranteed.

[0017] 2. When one of the groups of door blade main bodies rises, the lubricating oil storage bottle is extruded upward, the lubricating oil in the lubricating oil storage bottle is extruded out and flows out through the duckbill valve, drops into the oil receiving cylinder, and flows to the position needing lubrication along the lubricating groove. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the drawings needed in the following specific embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0019] Figure 1 The overall structural view of the present application;

[0020] Figure 2 The structural schematic view of the door blade mounting bottom plate of the present application;

[0021] Figure 3 The door blade mounting bottom plate of the present application; Figure 1 The enlarged view of A;

[0022] Figure 4 The structural schematic view of the connecting piece of the present application.

[0023] Explanation of reference signs:

[0024] 1, door blade mounting bottom plate; 2, door blade main body; 3, lubricating mechanism; 301, lubricating oil storage bottle; 302, oil receiving cylinder; 303, lubricating groove; 304, conical nozzle; 305, support frame; 306, duckbill valve; 4, connecting mechanism; 401, connecting piece; 402, mounting hole; 403, guide rod; 404, first tension spring; 5, lock rod transmission mechanism; 501, transmission piece; 502, second tension spring; 503, push wheel; 504, lock rod main body; 6, rotating piece; 7, connecting hole; 8, guide sliding slot. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only 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 skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] The present application provides a technical solution:

[0027] Please refer to Figures 1 to 4 A synchronous elevator door blade with limiting function, comprising a door blade mounting bottom plate 1, two groups of symmetrically placed door blade main bodies 2 are installed on the surface of the door blade mounting bottom plate 1 through a pin, five groups of connecting holes 7 are formed in the door blade main bodies 2, a connecting mechanism 4 is installed on the middle part of the door blade mounting bottom plate 1 through a pin, and the connecting mechanism 4 is installed on the back side of one of the door blade main bodies 2 through a pin, a lock rod transmission mechanism 5 is arranged on one side of the connecting mechanism 4, and a rotating piece 6 is connected between the two groups of door blade main bodies 2 through a pin;

[0028] The connecting mechanism 4 comprises a connecting piece 401 connected with the door blade body 2 through a pin, and a guide rod 403 is fixedly arranged at the rear end of the connecting piece 401, the guide rod 403 is provided with a guide sliding groove 8 at the connecting position with the door blade mounting plate 1, and the guide rod 403 is fixedly connected with a first tension spring 404 at one end penetrating through the door blade mounting plate 1 through a screw.

[0029] The middle part of the rotating piece 6 is installed on the surface of the door blade mounting plate 1 through a pin, the lock rod transmission mechanism 5 comprises a transmission piece 501 installed on the surface of the door blade mounting plate 1 through a pin, a push wheel 503 is rotatably connected to the left side of the transmission piece 501, a lock rod body 504 is fixedly arranged at the right side of the transmission piece 501, and a second tension spring 502 is fixedly installed between the transmission piece 501 and the door blade mounting plate 1 through a screw, and two groups of mounting holes 402 are arranged in the interior of the connecting piece 401.

[0030] Through the above technical scheme, when the lock rod body 504 moves downward, the transmission piece 501 is rotated through the pin, the transmission piece 501 drives the push wheel 503 to move upward, the second tension spring 502 is compressed inward at this time, the connecting piece 401 is driven to rotate upward along with the pushing of the push wheel 503, the upper end of the connecting piece 401 is connected with the door blade mounting plate 1 through a pin at this time, the connecting position of the connecting piece 401 and the door blade body 2 can rotate downward, and the guide rod 403 slides in the interior of the guide sliding groove 8, thereby driving the door blade body 2 to move downward, the door blade body 2 drives the rotating piece 6 to rotate at this time, the other end of the rotating piece 6 drives the other group of door blade bodies 2 to move upward, so that the two groups of door blade bodies 2 are closed to each other, the guide rod 403 is stretched along with the movement, the guide rod 403 can only slide in the interior of the guide sliding groove 8 when rotating, so as to limit the rotating direction of the connecting piece 401, the door blade body 2 is connected with the door blade mounting plate 1 through the rotating piece 6, so as to facilitate the rotation of the door blade body 2, the rotating piece 6 connects the two groups of door blade bodies 2, when the rotating piece 6 rotates, the two groups of door blade bodies 2 can be driven to move close to each other, the lock rod transmission mechanism 5 drives the door blade body 2 to rotate through the connecting mechanism 4, the movement of the door blade body 2 is limited through the guide rod 403 of the connecting mechanism 4 cooperating with the guide sliding groove 8, so as to improve the stability of the door blade body 2, the guide sliding groove 8 has a small size, so that a large size groove does not need to be arranged on the door blade mounting plate 1, the movement of the door blade body 2 can be limited, and the strength of the door blade mounting plate 1 is ensured.

[0031] Specifically, as shown in FIG. 1, the door blade mounting plate 1 is arranged on the door leaf 100, and the door blade body 2 is arranged on the door blade mounting plate 1. Figure 3As shown, the upper side of the door blade mounting plate 1 is fixedly provided with a lubricating mechanism 3, and the rear end of the lubricating mechanism 3 is fixedly provided with a support frame 305, and the lower side of the support frame 305 is fixedly provided with a lubricating oil storage bottle 301, and the discharge end of the lubricating oil storage bottle 301 is fixedly provided with a conical nozzle 304, and the discharge end of the conical nozzle 304 is fixedly provided with a duckbill valve 306, and the lower side of the duckbill valve 306 is provided with an oil receiving cylinder 302 fixedly arranged on the top of the door blade mounting plate 1, and the bottom of the oil receiving cylinder 302 is connected with a lubricating groove 303, and the lubricating groove 303 is arranged on the surface of the door blade mounting plate 1.

[0032] By adopting the above technical scheme, when the door blade body 2 moves upward, the lubricating oil storage bottle 301 can be extruded upward, the lubricating oil in the lubricating oil storage bottle 301 is extruded out and flows out through the duckbill valve 306, drips into the oil receiving cylinder 302, and flows along the lubricating groove 303 to the position needing lubrication, and the lubricating groove 303 flows through the position of the pin on each door blade mounting plate 1 to lubricate the pin, so that the door blade body 2 cannot be normally closed due to the poor rotation of the pin, and the lubricating oil storage bottle 301 is made of flexible material and can be deformed under external force, and the top of the support frame 305 is provided with a limiting plate to limit and support the top of the lubricating oil storage bottle 301, so that the upper end surface of the lubricating oil storage bottle 301 cannot be deformed.

[0033] Working principle: when the lock rod body 504 moves downward, the transmission member 501 is rotated through the pin, and the transmission member 501 drives the push wheel 503 to move upward, at this time the second tension spring 502 is compressed inward, and with the pushing of the push wheel 503, the connecting member 401 is driven to rotate upward, and the upper end of the connecting member 401 is connected with the door blade mounting plate 1 through the pin, at this time the connecting member 401 at the connection position with the door blade body 2 can rotate downward, and the guide rod 403 slides in the guide sliding groove 8, thereby driving the door blade body 2 to move downward, at this time the door blade body 2 drives the rotating member 6 to rotate, and the other end of the rotating member 6 drives the other group of door blade bodies 2 to move upward, so that the two groups of door blade bodies 2 are closed to each other, and at the same time the door blade body 2 extrudes the lubricating oil storage bottle 301 upward, the lubricating oil in the lubricating oil storage bottle 301 is extruded out and flows out through the duckbill valve 306, drips into the oil receiving cylinder 302, and flows along the lubricating groove 303 to the position needing lubrication, and the lubricating groove 303 flows through the position of the pin on each door blade mounting plate 1 to lubricate the pin.

[0034] Finally, it should be noted that: the above embodiments are used to illustrate the technical solutions of the present application, but not limited to them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A synchronous elevator door blade with a limiting function, comprising a door blade mounting base plate (1), characterized in that: The surface of the door blade mounting bottom plate (1) is provided with two groups of symmetrically placed door blade bodies (2) through pin installation, the inside of the door blade body (2) is provided with five groups of connecting holes (7), the middle part of the door blade mounting bottom plate (1) is provided with a connecting mechanism (4) through pin installation, and the connecting mechanism (4) is installed on the back side of one of the door blade bodies (2) through pin installation, one side of the connecting mechanism (4) is provided with a lock rod transmission mechanism (5), and the two groups of door blade bodies (2) are connected through pin connection. The connecting mechanism (4) comprises a connecting piece (401) connected with the door blade body (2) through pin connection, a guide rod (403) is fixedly arranged at the rear end of the connecting piece (401), a guide sliding groove (8) is formed at the connecting position of the guide rod (403) and the door blade mounting bottom plate (1), and a first tension spring (404) is fixedly connected to one end of the guide rod (403) penetrating through the door blade mounting bottom plate (1) through screws.

2. A synchronous elevator door blade with a limiting function according to claim 1, characterized in that: The middle part of the rotating piece (6) is installed on the surface of the door blade mounting bottom plate (1) through pin installation, and the inside of the connecting piece (401) is provided with two groups of mounting holes (402).

3. A synchronous elevator door blade with a limiting function according to claim 1, characterized in that: The lock rod transmission mechanism (5) comprises a transmission piece (501) installed on the surface of the door blade mounting bottom plate (1) through pin installation, a push wheel (503) is rotatably connected to the left side of the transmission piece (501), and a lock rod body (504) is fixedly arranged on the right side of the transmission piece (501).

4. A synchronised door blade with a limiting function according to claim 3, characterised in that: The second tension spring (502) is fixedly installed between the transmission piece (501) and the door blade mounting bottom plate (1) through screws.

5. A synchronised door blade with a limiting function according to claim 4, characterised in that: The lubricating mechanism (3) is fixedly arranged above the door blade mounting bottom plate (1), a supporting frame (305) is fixedly arranged at the rear end of the lubricating mechanism (3), and a lubricating oil storage bottle (301) is fixedly arranged below the supporting frame (305).

6. A synchronised door blade with a limiting function according to claim 5, characterised in that: A tapered nozzle (304) is fixedly arranged at the discharge end of the lubricating oil storage bottle (301), and a duckbill valve (306) is fixedly arranged at the discharge end of the tapered nozzle (304).

7. A synchronised door blade with limiting function according to claim 6, characterised in that: A oil receiving cylinder (302) is arranged below the duckbill valve (306) and fixed to the top of the door blade mounting bottom plate (1), a lubricating groove (303) is connected to the bottom of the oil receiving cylinder (302), and the lubricating groove (303) is formed in the surface of the door blade mounting bottom plate (1).

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