Manual unlocking device for shielding door

Abstract

The utility model discloses a manual unlocking device for a shielding door, which comprises a mounting plate, one side of the mounting plate is provided with a bottom plate and a top plate, the upper side of the top plate is fixedly provided with a guide vertical rod, the upper part of the guide vertical rod is sleeved with a lifting plate and upper support cylinders through a first spring in an elastic sliding manner, and one end of each upper support cylinder is provided with a top block switch contact through an upper support plate; the side wall of the mounting plate is fixedly provided with a connecting seat through a supporting shaft, a cam ring is rotationally arranged on the outer side of the connecting seat, a manual unlocking groove is formed between the cam ring and the connecting seat, and a locking rod is transversely inserted into the manual unlocking groove. The manual unlocking groove cam ring rotates upwards under the action of the first spring, meanwhile, the lifting plate, the upper supporting cylinder and the upper supporting plate move upwards under the action of the first spring, and therefore the top block switch contact touches the top block switch to open the shielding door, and compared with a knob opening mode, the operation is more convenient and faster by adopting a pulling opening mode, and meanwhile labor is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rail transit shield door unlocking technical field, specifically a shield door manual unlocking device. BACKGROUND

[0002] The subway shield door can greatly reduce the driver's sight frequency, reduce the driver's mental burden, effectively reduce the loss of hot and cold air of the platform caused by air convection, reduce the influence of the noise generated by train operation on the station, provide comfortable waiting environment, and has the functions of energy saving, safety, environmental protection and beauty. In the design of the subway shield door, when the sliding door fails to unlock and complete the opening operation due to some reasons, the station service personnel must use a special key to unlock the door lock device of the sliding door on the platform side, and the ordinary passengers can also unlock the door lock device of the sliding door through simple operation on the track side.

[0003] The prior art application No. 201720659366.9 of a shield door manual unlocking guide device includes a lock body, a connecting rod, a guide device and a top block switch. The connecting rod is divided into an upper fold line connecting rod and a lower straight line connecting rod. The guide device includes at least two vertical guide pieces. Each vertical guide piece includes a guide column and a guide shaft sleeve. The guide shaft sleeve is sleeved on the guide column. One of the guide column and the guide shaft sleeve is a fixed part, and the other is a movable part. They can move relative to each other. The movable parts of each vertical guide piece are connected into a synchronous movement whole through a fixed part and move up and down along the fixed part. The lower straight line connecting rod is connected with the lower part of the synchronous movement whole, and the upper fold line connecting rod is connected with the upper part of the synchronous movement whole. The utility model adopts a parallel guide column connected into a whole structure to uniformly disperse the stress, reduce the gap requirement of the guide column and the guide shaft sleeve, improve the precision of the guide column and the guide shaft sleeve, and improve the stability of the guide. However, the opening mode of the knob requires a large operation space and is relatively laborious, which cannot meet the needs of manual unlocking. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a shield door manual unlocking device to solve the problem that the opening mode of the knob in the prior art requires a large operation space and is relatively laborious, which cannot meet the needs of manual unlocking.

[0005] To achieve the above object, the utility model provides following technical scheme: a shielding door manual unlocking device, including the mounting plate, the mounting plate one side is equipped with the bottom plate and the top plate, the top plate upside is equipped with the guide vertical pole, the guide vertical pole upper portion is elastically sleeved with the lifting plate and the upper branch cylinder through the first spring, and two upper branch cylinders one end is equipped with the top block switch contact through the upper support plate, the mounting plate side wall is fixedly equipped with the connecting seat through the support shaft, the connecting seat outside is rotatably equipped with the cam ring, and is equipped with the manual unlocking groove between the cam ring and the connecting seat, the locking rod is transversely inserted in the manual unlocking groove, and two locking rods one end is equipped with the pull unlocking rod through the connecting plate.

[0006] Further, the guide vertical pole and the upper branch cylinder are both provided with two groups in parallel, and the upper branch cylinder is slidably penetrated through the internal sliding hole of the top plate.

[0007] Further, the inner diameter of the upper branch cylinder is greater than the outer diameter of the guide vertical pole, and the guide vertical pole and the upper branch cylinder are both metal structures.

[0008] Further, the bottom plate and the top plate one end are equipped with the protective baffle, and the pull unlocking rod one end is slidably penetrated through the protective baffle and is arranged.

[0009] Further, the manual unlocking groove is a four-prism-taipr-shaped groove, and the locking rod one end is equipped with the four-prism-taipr-shaped plug for inserting and cooperating with the manual unlocking groove.

[0010] Further, the locking rod and the pull unlocking rod are both perpendicular to the connecting plate and are welded, and the pull unlocking rod one end outside is further sleeved with the second spring for resetting.

[0011] Further, the support shaft and the cam ring are transmission-connected with the motor through the gear set, the gear set includes the driven gear ring arranged on one side of the cam ring, and the motor one end is equipped with the driving gear meshing with the driven gear ring.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] In the utility model, the top block switch contact is elastically sleeved in the mounting plate through the upper support plate, the lifting plate, the upper branch cylinder and the first spring, the connecting seat and the cam ring are fixedly arranged on the mounting plate side wall through the support shaft, and the manual unlocking groove is arranged between the cam ring and the connecting seat, so that when the locking rod is pulled out of the manual unlocking groove between the cam ring and the connecting seat, the cam ring is rotated upward under the action of the first spring, and the lifting plate, the upper branch cylinder and the upper support plate are moved upward under the action of the first spring, so that the top block switch contact touches the top block switch to open the shielding door.

[0014] The utility model discloses a manual unlocking groove is four prism platform -shaped groove, and the one end of locking lever is equipped with four prism platform plug -in cooperation with manual unlocking groove, makes the stability of manual unlocking groove and the one end of locking lever plug -in higher, simultaneously convenient for the one end of locking lever is inserted into manual unlocking groove.

[0015] The utility model discloses moreover support axle and cam ring are connected with motor through gear set transmission between, gear set includes the driven gear ring of setting cam ring one side, and motor one end is equipped with with driven gear ring meshing drive gear, make through motor and gear set drive cam ring rotate certain angle and make the convex end of cam ring vertical downward, realize this manual unlocking's electric reset processing, make reset operation convenient and fast, convenient continuous multiple manual unlocking use. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings are included to provide a further understanding of the present application and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and are used to explain the present application, but do not constitute a limitation on the present application. In the drawings:

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the structure schematic diagram without protection baffle of the utility model;

[0019] Figure 3 It is the cam ring transmission structure schematic diagram of the utility model.

[0020] In the drawing: 1, mounting plate;2, lifting plate;3, guide vertical rod;4, first spring;5, upper support cylinder;6, top plate;7, upper support plate;8, top block switch contact;9, protection baffle;10, socket;11, cam ring;12, locking lever;13, manual unlocking groove;14, connecting plate;15, pull unlocking lever;16, second spring;17, driven gear ring;18, drive gear;19, motor;20, bottom plate;21, support shaft. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the present application will be described clearly and completely 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, not 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 the present application.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3The utility model discloses an embodiment of a kind of shield door manual unlocking device, including mounting plate 1, mounting plate 1 one side is equipped with bottom plate 20 and top plate 6, top plate 6 upside is fixedly provided with guide vertical rod 3, guide vertical rod 3 upper portion is elastically slidably sleeved with lifting plate 2 and upper branch cylinder 5 by first spring 4, and two upper branch cylinder 5 one end is equipped with top block switch contact 8 by upper support plate 7, the side wall of mounting plate 1 is fixedly provided with connecting seat 10 by support shaft 21, connecting seat 10 outside is rotatably equipped with cam ring 11, and manually unlocking groove 13 is equipped between cam ring 11 and connecting seat 10, locking rod 12 is transversely inserted in manually unlocking groove 13, and two locking rod 12 one end is equipped with pull unlocking rod 15 by connecting plate 14, bottom plate 20 and top plate 6 one end are equipped with protective baffle 9, and pull unlocking rod 15 one end is slidably penetrated protective baffle 9 and is arranged, so that when locking rod 12 is extracted from manually unlocking groove 13 between cam ring 11 and connecting seat 10 by transversely pulling pull unlocking rod 15, cam ring 11 is rotated upwards under the action of first spring 4, lifting plate 2, upper branch cylinder 5 and upper support plate 7 are moved upwards under the action of first spring 4, to make top block switch contact 8 touch top block switch and open shield door.

[0023] As Figure 1 And Figure 2 To improve the stability of the lifting adjustment of upper branch cylinder 5 and upper support plate 7, guide vertical rod 3 and upper branch cylinder 5 are both provided in parallel with two groups, and upper branch cylinder 5 is slidably penetrated through the internal sliding hole of top plate 6, the inner diameter of upper branch cylinder 5 is larger than the outer diameter of guide vertical rod 3, and guide vertical rod 3 and upper branch cylinder 5 are both metal structures, which are used for sliding guide during the lifting adjustment of upper branch cylinder 5, and are beneficial to improve the stability of the lifting adjustment of upper branch cylinder 5 and upper support plate 7.

[0024] As Figure 1 And Figure 2 To improve the stability of the insertion of manually unlocking groove 13 and locking rod 12, manually unlocking groove 13 is provided as a four-prism-tauped groove, and the one end of locking rod 12 is provided with a four-prism-tauped plug for matching with the insertion of manually unlocking groove 13, so that the stability of the insertion of manually unlocking groove 13 and the one end of locking rod 12 is higher, and it is convenient to insert the one end of locking rod 12 into manually unlocking groove 13.

[0025] As Figure 2 To facilitate the elastic reset insertion of locking rod 12 into manually unlocking groove 13, locking rod 12 and pull unlocking rod 15 are both vertically welded with connecting plate 14, and the outer side of the one end of pull unlocking rod 15 is further sleeved with a second spring 16 for reset, so that it is convenient to elastically reset the insertion of locking rod 12 into manually unlocking groove 13.

[0026] As Figure 2 And Figure 3As shown, in order to facilitate the reset operation of the device, the motor 19 is also connected between the support shaft 21 and the cam ring 11 through a gear set, the gear set includes a driven gear ring 17 arranged on one side of the cam ring 11, and one end of the motor 19 is provided with a driving gear 18 engaged with the driven gear ring 17, so that the cam ring 11 is driven to rotate by the motor 19 and the gear set by a certain angle, the convex end of the cam ring 11 is vertically downwardly pressed on the lifting plate 2 and the top block switch contact 8 is moved downward to be separated from the top block switch, realizing the electric reset processing of the manual unlocking, so that the reset operation is convenient and fast, and is convenient for continuous manual unlocking use.

[0027] The working principle and use process of the utility model: when using, the top block switch contact 8 is installed in the top block switch lower part of the shielding door through the mounting plate 1, when manually unlocking, the locking rod 12 is separated from the manual unlocking slot 13 between the cam ring 11 and the connecting seat 10 by pulling the unlocking rod 15 horizontally, the cam ring 11 is rotated upward under the action of the first spring 4, and the lifting plate 2, the upper supporting cylinder 5 and the upper supporting plate 7 are moved upward under the action of the first spring 4, so that the top block switch contact 8 touches the top block switch to open the shielding door, compared with the opening mode of the knob, the opening mode of pulling is more convenient and fast, and is more labor-saving.

[0028] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A manual unlocking device for a shielded door comprising a mounting plate (1), characterized in that: The mounting plate (1) is provided with a bottom plate (20) and a top plate (6) on one side, the top plate (6) is fixedly provided with a guide vertical rod (3) on the upper side, the guide vertical rod (3) is elastically sleeved with a lifting plate (2) and an upper supporting cylinder (5) on the upper part through a first spring (4), and two upper supporting cylinders (5) are provided with a top block switch contact (8) at one end through an upper supporting plate (7), the side wall of the mounting plate (1) is fixedly provided with a connecting seat (10) through a supporting shaft (21), the connecting seat (10) is rotatably provided with a cam ring (11) on the outside, and the cam ring (11) and the connecting seat (10) are connected through a manual unlocking slot (13), the locking rod (12) is transversely inserted in the manual unlocking slot (13), and two locking rods (12) are provided with a pulling unlocking rod (15) at one end through a connecting plate (14).

2. A manual door unblocking device for a shielded door according to claim 1, characterized in that: The guide vertical rod (3) and the upper supporting cylinder (5) are both provided with two groups in parallel, and the upper supporting cylinder (5) is slidably penetrated through the inner sliding hole of the top plate (6).

3. A manual door unblocking device for a screened door according to claim 2, wherein: The inner diameter of the upper supporting cylinder (5) is greater than the outer diameter of the guide vertical rod (3), and the guide vertical rod (3) and the upper supporting cylinder (5) are both metal structures.

4. A manual door unblocking device for a shielded door according to claim 1, characterized in that: The bottom plate (20) and the top plate (6) are provided with a protective baffle (9) at one end, and the pulling unlocking rod (15) is slidably penetrated through the protective baffle (9) at one end.

5. A manual door unblocking device for a shielded door according to claim 1, characterized in that: The manual unlocking slot (13) is a quadrangular platform slot, and the locking rod (12) is provided with a quadrangular platform plug matched with the manual unlocking slot (13) at one end.

6. A manual door unblocking device for a shielded door according to claim 1, characterized in that: The locking rod (12) and the pulling unlocking rod (15) are both perpendicular to the connecting plate (14) and are welded, and the pulling unlocking rod (15) is further sleeved with a second spring (16) for resetting at one end outside.

7. A manual door unblocking device for a shielded door according to claim 1, characterized in that: The supporting shaft (21) and the cam ring (11) are drivingly connected with a motor (19) through a gear set, the gear set includes a driven gear ring (17) arranged on one side of the cam ring (11), and the motor (19) is provided with a driving gear (18) engaged with the driven gear ring (17) at one end.

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