High-elasticity elevator car door sealing assembly

Abstract

The utility model belongs to the technical field of elevator car doors, and particularly relates to a high-elasticity elevator car door sealing assembly which comprises a car door body, first sliding plates are installed above and below the car door body respectively, idler wheels are arranged on the sides, away from a second sliding plate, of the upper portion and the lower portion of the car door body, and toothed plates are matched with corresponding gears in a meshed mode. The side, close to the second sliding plate, of the shaft rod is sleeved with an extrusion spring, a lead screw is movably connected into the square block, the lead screw is sleeved with a tooth sleeve, and the tooth sleeve rotates to drive the distance between the sliding sleeve and the tooth plate to be adjusted. According to the high-elasticity elevator car door sealing assembly, the distance between the sliding sleeve and the toothed plate is adjusted by driving the lead screw to rotate through rotation of the toothed sleeve, so that the extrusion state of the extrusion spring in the initial state is further adjusted tightly, and therefore after the car door is closed again, enough buffering force and stable sealing performance can be guaranteed; the adjustable elevator car door sealing assembly is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator car door technical field especially relates to high elasticity elevator car door sealing assembly. BACKGROUND

[0002] The elevator car door is located in the elevator interior, and is directly connected with the elevator car, when the elevator reaches the floor, the car door will act first, drive the landing door to open together, form a channel for passenger to enter and exit, in the process of elevator lifting, the elevator car door needs to guarantee sealing, to guarantee the balance of the air pressure inside and outside the elevator, isolate the air flow and noise outside the elevator, guarantee the fresh and sanitary air inside the elevator.

[0003] The existing Chinese utility model patent: CN202321076118.3 discloses a kind of high elasticity elevator car door sealing assembly, including elevator car door body, two limit rods are symmetrically arranged in the left side of elevator car door body, spring is arranged in the side of two limit rods, the end of spring is connected with movable pipe, movable pipe is provided with movable rod on the right side, the end of movable rod is connected with vertical rubber pad, receiving slot is formed in the right side of elevator car door body, two first hinged pieces are connected on the outer wall of movable rod, hinged rod is hinged in the inside of two first hinged pieces, the end of hinged rod is hinged with second hinged piece, in the above-mentioned comparison document, by the spring arranged on limit rod, in the cooperation of vertical rubber pad, two elevator car door body can be closed to play the role of buffering, but after long time use, the elasticity of spring weakens, possibly influence the buffering effect of elevator car door closure, further influence the sealing effect of elevator car door, for this purpose, we provide a kind of high elasticity elevator car door sealing assembly. UTILITY MODEL CONTENT

[0004] In order to overcome the defects of the prior art pointed out above, the present inventors have made in-depth research thereon, and after a lot of creative labor, the present utility model has been completed.

[0005] Specifically, the technical problem to be solved by the present utility model is to provide a high elasticity elevator car door sealing assembly to solve the technical problem that the elasticity of the spring of the current elevator car door weakens after long time use, affecting the buffering effect of the closure of the elevator car door and the sealing effect of the elevator car door.

[0006] To solve the above technical problems, the utility model provides the following technical scheme:

[0007] The utility model provides a high elasticity elevator car door seal assembly, including car door body, the upper and lower of car door body are equipped with first sliding plate respectively, the side away from car door body of first sliding plate is equipped with mounting bracket, the side close to first sliding plate of mounting bracket is equipped with first sliding seat and second sliding seat, first sliding plate with first sliding seat or second sliding seat sliding cooperation, the side of car door body is limitedly arranged with silica gel cover and sets up second sliding plate outside silica gel cover, the upper and lower of car door body are equipped with the roller away from second sliding plate side, the side close to car door body of roller is equipped with gear wheel transmission, gear wheel is located in car door body, the inside of car door body is movably arranged with square block, the upper and lower of square block are connected with the toothed plate through connecting plate respectively, toothed plate with corresponding gear wheel meshing cooperation, second sliding seat with roller interference fit, the inside of toothed plate is equipped with shaft, one end of shaft is movably inserted into silica gel cover, the other end of shaft is connected with the inner wall of car door body, the side close to second sliding plate of shaft is equipped with extrusion spring, the outside of shaft is equipped with sliding sleeve, the inside of square block is movably connected with lead screw, the outside of lead screw is equipped with toothed sleeve, the outer wall of car door body is equipped with buckle plate, the square block is equipped with recess for the position of buckle plate, toothed sleeve is located in recess, toothed sleeve rotates to drive the interval adjustment between sliding sleeve and toothed plate.

[0008] As an improved technical solution, the side close to the car door body of the silica gel cover is connected with an L-shaped plate, the inner wall of the car door body close to the L-shaped plate is connected with a baffle, and the baffle is located between the silica gel cover and the L-shaped plate.

[0009] As an improved technical solution, the side close to the shaft of the silica gel cover is provided with a through hole, and the end of the shaft is movably connected with the through hole.

[0010] As an improved technical solution, one end of the lead screw is movably connected with the square block, and the other end of the lead screw extends to a position close to the silica gel cover, the outside of the lead screw is connected with a moving seat, the upper and lower of the moving seat are respectively connected with connecting rods, and one end of the connecting rod away from the moving seat is connected with the sliding sleeve.

[0011] As an improved technical solution, the two ends of the roller are respectively connected with mounting boxes, the bottom of the mounting box penetrates into the car door body, the two ends of the gear wheel are movably connected with the mounting boxes, the mounting box is provided with a synchronous belt, one end of the synchronous belt is sleeved on the end of the roller, and the other end of the synchronous belt is sleeved on the end of the gear wheel.

[0012] As an improved technical solution, the side close to the first sliding seat or close to the second sliding seat of the first sliding plate is embedded with a silica gel strip.

[0013] As an improved technical solution, the outer wall of the roller is annularly connected with a plurality of silica gel layers.

[0014] After the above technical scheme is adopted, the beneficial effects of the present application are as follows:

[0015] 1. The utility model discloses a toothed sleeve, a toothed plate, a sliding sleeve, a spring, a second sliding seat, a second sliding plate, a roller, a gear and a shaft rod are arranged on the elevator door body, and the sliding sleeve is arranged on the toothed plate.

[0016] 2. The utility model discloses a roller is arranged on the side away from the second sliding plate, and the rotation of the gear is realized through the cooperation of the second sliding seat and the roller. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to make the technical scheme of the embodiments of the present application clearer, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to these drawings without creative labor. Among them:

[0018] Figure 1 It is a schematic diagram of the assembly structure of the high-elasticity elevator door sealing assembly.

[0019] Figure 2 It is a schematic diagram of the internal structure of the door body of the high-elasticity elevator door sealing assembly.

[0020] Figure 3 It is a schematic diagram of the roller and gear assembly structure of the high-elasticity elevator door sealing assembly.

[0021] Figure 4 It is a schematic diagram of the structure of the top of the door body of the high-elasticity elevator door sealing assembly.

[0022] Figure 5 It is a schematic diagram of the screw rod assembly structure of the high-elasticity elevator door sealing assembly.

[0023] MARKING OF DRAWINGS:

[0024] 1, the door body; 11, the buckle plate; 12, the baffle; 2, the mounting frame; 21, the first sliding seat; 22, the second sliding seat; 3, the first sliding plate; 31, the silica gel strip; 4, the roller; 41, the installation box; 42, the gear; 43, the synchronous belt; 5, the silica gel sleeve; 51, the second sliding plate; 52, the L-shaped plate; 53, the through hole; 6, the shaft; 61, the extrusion spring; 62, the sliding sleeve; 63, the connecting rod; 7, the square block; 71, the groove; 72, the connecting plate; 73, the toothed plate; 8, the lead screw; 81, the toothed sleeve; 82, the moving seat. 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] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications will also change accordingly.

[0027] Meanwhile, "and / or" or "and / or" appearing throughout the text means that it includes three schemes, taking "A and / or B" as an example, including A scheme, or B scheme, or A and B schemes.

[0028] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0029] For example, Figures 1-5As shown in the embodiment, the high-elasticity elevator car door sealing assembly comprises a car door body 1, a first sliding plate 3 is arranged above and below the car door body 1, an installation frame 2 is arranged on the side of the first sliding plate 3 away from the car door body 1, the installation frame 2 is connected with an elevator car, a first sliding seat 21 and a second sliding seat 22 are arranged on the side of the installation frame 2 close to the first sliding plate 3, the first sliding seat 21 is located on the side of the car door body 1 close to a second sliding plate 5 when the car door is closed, the second sliding seat 22 is located at the position of a roller 4, the first sliding plate 3 is in sliding fit with the first sliding seat 21 or the second sliding seat 22, a silica gel sleeve 5 is arranged on the side of the car door body 1 in position sliding, the silica gel sleeve 5 is internally provided with the second sliding plate 51, the roller 4 is arranged above and below the car door body 1 and on the side away from the second sliding plate 51, a gear 42 is drivingly arranged on the side of the roller 4 close to the car door body 1, the roller 4 and the gear 42 rotate in the same direction, the gear 42 is located in the car door body 1, a square block 7 is movably arranged in the car door body 1, a toothed plate 73 is connected to the square block 7 through a connecting plate 72 above and below the square block 7, the toothed plate 73 is in meshing fit with the corresponding gear 42, the second sliding seat 22 is in interference fit with the roller 4, when the car door is closed, the second sliding seat 22 moves through the roller 4 to drive the roller 4 to rotate, the toothed plate 73 is internally provided with a shaft rod 6, one end of the shaft rod 6 is movably inserted into the second sliding plate 51, the other end of the shaft rod 6 is connected with the inner wall of the car door body 1, an extrusion spring 61 is sleeved on the side of the shaft rod 6 close to the second sliding plate 51, a sliding sleeve 62 is slidably sleeved on the shaft rod 6, a lead screw 8 is movably connected in the square block 7, a toothed sleeve 81 is sleeved on the lead screw 8, a buckle plate 11 is formed on the outer wall of the car door body 1, a groove 71 is formed on the square block 7 opposite to the position of the buckle plate 11, the toothed sleeve 81 is located in the groove 71, the toothed sleeve 81 rotates to adjust the spacing between the sliding sleeve 62 and the toothed plate 73.

[0030] As shown in the embodiment, Figure 4 the second sliding plate 51 is connected with an L-shaped plate 52 on the side close to the car door body 1, a baffle 12 is connected with the inner wall of the car door body 1 close to the position of the L-shaped plate 52, the baffle 12 is located between the second sliding plate 51 and the L-shaped plate 52, during the process from the beginning of the cooperation of the second sliding seat 22 and the roller 4 to the end of the cooperation, the baffle 12 is always located between the second sliding plate 51 and the L-shaped plate 52, the arrangement of the L-shaped plate 52 avoids the second sliding plate 51 from sliding out of the side of the car door body 1.

[0031] As shown in the embodiment, Figure 2 and Figure 4 the second sliding plate 51 is provided with a through hole 53 on the side close to the shaft rod 6, the end of the shaft rod 6 is movably inserted into the through hole 53, during the process from the beginning of the cooperation of the second sliding seat 22 and the roller 4 to the end of the cooperation, the end of the shaft rod 6 is always slidably arranged in the through hole 53.

[0032] As shown in the embodiment, Figure 2 and Figure 4As shown in the figures, one end of the screw rod 8 is movably connected with the square block 7, and the other end extends to a position close to the second sliding plate 51. The screw rod 8 is externally connected with a moving seat 82. The upper and lower portions of the moving seat 82 are respectively connected with connecting rods 63. One end of the connecting rod 63 away from the moving seat 82 is connected with a sliding sleeve 62. When the tooth sleeve 81 rotates, the screw rod 8 rotates, so that the moving seat 82, the connecting rod 63 and the sliding sleeve 62 move along the shaft rod 6, so as to increase or decrease the distance between the sliding sleeve 62 and the tooth plate 73.

[0033] As shown in the figures, Figure 2 , Figure 3 and Figure 4 As shown in the figures, the two ends of the roller 4 are respectively connected with mounting boxes 41. The bottom of the mounting box 41 penetrates into the door body 1. The two ends of the gear 42 are movably connected with the mounting box 41. The mounting box 41 is provided with a synchronous belt 43. One end of the synchronous belt 43 is sleeved on the end of the roller 4, and the other end is sleeved on the end of the gear 42. When the roller 4 rotates, the gear 42 rotates through the transmission of the synchronous belt 43.

[0034] As shown in the figures, Figure 1 , Figure 2 and Figure 4 As shown in the figures, the first sliding plate 3 is embedded with a silica gel strip 31 on the side close to the first sliding seat 21 or the second sliding seat 22. The silica gel strip 31 is in abutting fit with the inner side of the first sliding seat 21.

[0035] As shown in the figures, Figure 1 and Figure 3 As shown in the figures, the outer wall of the roller 4 is annularly connected with a plurality of silica gel layers. The silica gel layers are in contact with the inner wall of the second sliding seat 22, so that when the second sliding seat 22 cooperates with the roller 4 during the closing process of the door body 1, the roller 4 rotates.

[0036] In use, during the closing process of the elevator car door, the first sliding plate 3 first slides with the second sliding seat 22, then the first sliding plate 3 slides with the first sliding seat 21, when the car door is about to be closed, the roller 4 cooperates with the inner wall of the second sliding seat 22, so that the gear 42 rotates, the gear 42 drives the toothed plate 73 to move along the shaft 6, so that the toothed plate 73, the square block 7, the lead screw 8 and the sliding sleeve 62 move along the shaft 6, so that the compression spring 61 is further compressed, and at the same time the second sliding plate 51 moves outwardly from the car door body 1, at this time, the elevator car door is ready to be closed, under the compression of the compression spring 61, the elastic buffer effect is achieved, the second sliding plate 5 and the silica gel strip 31 are arranged to ensure the closed sealing of the elevator car door; after long-term use, by opening the buckle plate 11 when the roller 4 is not in cooperation with the second sliding seat 22, the toothed sleeve 81 is rotated by using a tool, so that the distance between the moving seat 82 and the square block 7 is increased, that is, the initial compression state of the compression spring 61 is further adjusted, so that after the car door is closed again, sufficient buffer force and stable sealing performance can be ensured.

[0037] It should be understood that the use of these embodiments is only for the purpose of illustrating the present application and is not intended to limit the protection scope of the present application. In addition, it should also be understood that after reading the technical content of the present application, those skilled in the art can make various modifications, modifications and / or variations to the present application, all of these equivalent forms also fall within the protection scope defined by the appended claims of the present application.

Claims

1. High elasticity elevator door sealing assembly, characterized by: The invention comprises a car door body (1), wherein a first slide plate (3) is respectively installed above and below the car door body (1), a mounting frame (2) is provided on the side of the first slide plate (3) away from the car door body (1), a first slide seat (21) and a second slide seat (22) are installed on the side of the mounting frame (2) close to the first slide plate (3), the first slide plate (3) is slidably matched with the first slide seat (21) or the second slide seat (22), a silicone sleeve (5) is provided on the side of the car door body (1) for limiting sliding, a second slide plate (51) is provided in the silicone sleeve (5), a roller (4) is provided above and below the car door body (1) and on the side away from the second slide plate (51), a gear (42) is provided on the side of the roller (4) close to the car door body (1), and the gear (42) is located in the car door body (1), a square block (7) is movably provided in the car door body (1), and the square block (7) is connected to the top and bottom of the square block (7) by a connecting plate (72) respectively. A tooth plate (73) is connected, the tooth plate (73) is meshed with the corresponding gear (42), the second slide seat (22) is interference fit with the roller (4), a shaft rod (6) is provided in the tooth plate (73), one end of the shaft rod (6) is movably inserted into the second slide plate (51), the other end of the shaft rod (6) is connected to the inner wall of the car door body (1), the side of the shaft rod (6) close to the second slide plate (51) is provided with an extrusion spring (61), the shaft rod ( 6) The outer sliding sleeve is provided with a sliding sleeve (62), a screw rod (8) is movably connected inside the square block (7), a gear sleeve (81) is connected to the outer surface of the screw rod (8), a buckle plate (11) is provided on the outer wall of the car door body (1), a groove (71) is provided on the square block (7) at a position corresponding to the buckle plate (11), the gear sleeve (81) is located in the groove (71), and the gear sleeve (81) rotates to drive the distance adjustment between the sliding sleeve (62) and the gear plate (73).

2. The high elasticity elevator door sealing assembly according to claim 1, characterized in that: An L-shaped plate (52) is connected to one side of the second slide plate (51) close to the car door body (1), and a baffle (12) is connected to the inner wall of the car door body (1) close to the L-shaped plate (52), and the baffle (12) is located between the second slide plate (51) and the L-shaped plate (52).

3. The high elasticity elevator door sealing assembly according to claim 2, characterized in that: A through hole (53) is provided on one side of the second slide plate (51) close to the shaft rod (6), and the end of the shaft rod (6) is movably plugged into the through hole (53).

4. The high elasticity elevator door sealing assembly according to claim 3, characterized in that: One end of the screw rod (8) is movably connected to the square block (7), and the other end extends to a position close to the second slide plate (51). The screw rod (8) is externally connected to a movable seat (82), and the upper and lower parts of the movable seat (82) are respectively connected to connecting rods (63). The end of the connecting rod (63) away from the movable seat (82) is connected to the sliding sleeve (62).

5. The high elasticity elevator door sealing assembly according to claim 4, characterized in that: Both ends of the roller (4) are connected to mounting boxes (41), the bottom of the mounting box (41) penetrates into the car door body (1), and both ends of the gear (42) are movably connected to the mounting boxes (41). A synchronous belt (43) is provided in the mounting box (41), one end of the synchronous belt (43) is sleeved on the end of the roller (4), and the other end is sleeved on the end of the gear (42).

6. The high elasticity elevator door sealing assembly according to claim 5, characterized in that: A silicone strip (31) is embedded on one side of the first slide plate (3) close to the first slide seat (21) or close to the second slide seat (22).

7. The high elasticity elevator door sealing assembly according to claim 6, characterized in that: The outer wall of the roller (4) is connected to a plurality of silica gel layers in a ring array.

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