CN217812899U

CN217812899U - Door lock device

Info

Publication number: CN217812899U
Application number: CN202221291825.XU
Authority: CN
Inventors: 王伟
Original assignee: Cgn Beijing New Energy Technology Co ltd
Current assignee: Cgn Beijing New Energy Technology Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-11-15
Anticipated expiration: 2032-05-26

Abstract

The utility model belongs to the technical field of the protection of lift sliding door, a door lock device is disclosed. The door lock device comprises a lock rod mechanism, an elastic reset piece and a fixing mechanism; one end of the lock rod mechanism is a bending part, the other end of the lock rod mechanism is a lock hook, and the bending part is inserted into a through hole in the side part of the sliding door panel; the sliding door plate is provided with a guide-out hole, and the lock hook can pass through the guide-out hole and be locked on the elevator door frame; the elastic reset piece is hooked on the lock rod mechanism, one end of the elastic reset piece abuts against the side part of the sliding door panel, and the elastic reset piece is configured to press the bent part into the via hole and position the lock hook at one side of the side part of the sliding door panel, which deviates from the elevator door frame, when the sliding door panel is opened; the fixing mechanism is fixedly connected with the sliding door plate, and the elastic reset piece and the lock rod mechanism are arranged on the fixing mechanism. The door lock device can be automatically locked when the sliding door panel is closed, and can be automatically unlocked when the sliding door panel is opened, so that the problem that the door lock protrudes out of the sliding door panel to cause hook is effectively prevented.

Description

Door lock device

Technical Field

The utility model relates to an elevator sliding door protection technical field especially relates to a door lock device.

Background

The elevator sliding door is frequently used in the field of tower barrel elevators, the side space size of the sliding door panel is small, and in order to ensure that the opening and closing width of the sliding door meets the requirement, only the locking hook can be installed on the side surface of the sliding door panel, so that the locking of the sliding door panel is realized.

The existing latch hooks are generally of the following two types: one is a fixed latch hook which protrudes out of the side of the door panel of the sliding door. When the door plate of the sliding door is closed, the latch hook is inserted into the door lock inside the door frame to lock the sliding door. Above-mentioned fixed latch hook has following problem, and when the sliding door plant was opened, the latch hook was located the side of door plant intermediate position and outstanding sliding door plant, and is difficult for noticing, is leaded to danger by the hook easily when constructor and material passed in and out lift. The other type is a movable lock hook capable of manually pushing out the side surface of the door plate of the sliding door, when the sliding door is closed, the lock hook needs to be manually pushed out to be inserted into the door lock in the door frame, and the locking of the sliding door is realized. Above-mentioned movable latch hook has following problem, at first, promotes the handle of latch hook promptly for the handle that sliding door plant opened and shut, need release sliding door plant side with the latch hook when the sliding door plant is closed, continues to promote the latch hook handle, and the sliding door plant just can continue to slide until closing. The operation is two-section type, the force for pushing the lock hook and the force for pushing the sliding door are different greatly, and the actual control experience is not good. Secondly, if the sliding door plant is in when the open mode, the latch hook is released, nevertheless does not continue to promote the latch hook handle, and the sliding door plant still is in the open mode this moment, gets into the lift in-process at constructor or material, and the hook problem that can take place equally leads to danger.

Therefore, a door lock device is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

According to the utility model discloses an aspect, aim at provides a door lock device, this door lock device can be when the sliding door plant is closed automatic locking to automatic unblock when the sliding door plant is opened can prevent effectively that the outstanding sliding door plant of lock from causing the problem of hook.

To achieve the purpose, the utility model adopts the following technical proposal:

a door lock device comprises a lock rod mechanism, an elastic reset piece and a fixing mechanism; one end of the lock rod mechanism is bent to form a bent part, the other end of the lock rod mechanism is a lock hook, a through hole is formed in the side part of the sliding door panel, the bent part is inserted into the through hole, when the sliding door panel is closed, the end part of the bent part abuts against the elevator door frame, a guide hole is formed in the sliding door panel, and the lock hook can penetrate through the guide hole and is locked on the elevator door frame; the elastic reset piece is hooked on the lock rod mechanism, one end of the elastic reset piece abuts against the side portion of the sliding door panel, and the elastic reset piece is configured to press the bent portion into the through hole when the sliding door panel is opened, and position the lock hook at one side, away from the elevator door frame, of the side portion of the sliding door panel and opposite to the guide-out hole; the fixing mechanism is fixedly connected with the sliding door plate, and the elastic reset piece and the lock rod mechanism are both arranged on the fixing mechanism.

Optionally, the fixing mechanism includes a mounting bolt, the mounting bolt is fixedly mounted on the sliding door panel, and the locking rod mechanism and the elastic reset member are both mounted on the mounting bolt.

Optionally, the fixing mechanism further includes a first sleeve and a second sleeve, the first sleeve and the second sleeve are arranged at an interval, and are all sleeved on the mounting bolt, and the elastic resetting member is partially clamped between the first sleeve and the second sleeve.

Optionally, the fixing mechanism further includes a third sleeve, the third sleeve is sleeved on the mounting bolt and spaced from the second sleeve, and the locking rod mechanism is partially clamped between the second sleeve and the third sleeve.

Optionally, the middle part of the locking rod mechanism is spirally bent to form a positioning part, the positioning part is rotatably sleeved on the mounting bolt and clamped between the second sleeve and the third sleeve, and the locking rod mechanism can swing by taking the central axis of the mounting bolt as an axis.

Optionally, the elastic reset piece is spirally bent at a middle part thereof to form a reset acting part, and the reset acting part is sleeved on the mounting bolt and clamped between the first sleeve and the second sleeve.

Optionally, an included angle between the bending portion and the rod body of the locking rod mechanism is a right angle.

Optionally, the locking hook is of a rectangular frame structure, an included angle between the locking hook and the rod body of the locking rod mechanism is a right angle, and the leading-out hole is a rectangular hole.

Optionally, the locking bar mechanism is made of steel wire.

The utility model has the advantages that:

the utility model provides a door lock device sets up locking lever mechanism and is used for realizing the locking of sliding door plant and lift door frame. The fixing mechanism is used for connecting the lock rod mechanism and the elastic reset piece on the sliding door panel. The elastic reset piece is used for controlling the lock rod mechanism at a certain angle when the sliding door panel is in an open state, at the moment, the bending part is inserted into the through hole formed in the side part of the sliding door panel, and the lock hook is just opposite to the guide-out hole and is positioned on one side, deviating from the elevator door frame, of the side part of the sliding door panel. When the sliding door plate is in a closed state, the bending part abuts against the elevator door frame and retracts under the abutting action, at the moment, under the elastic action of the elastic resetting piece, the locking rod mechanism swings, and the locking hook extends out of the guide-out hole and extends into the elevator door frame to be locked. The elastic reset piece is a key part of the lock rod mechanism for realizing automatic locking and automatic unlocking. The door locking device can be automatically locked when the sliding door panel is closed, and can be automatically unlocked when the sliding door panel is opened, so that the problem that the door lock protrudes out of the sliding door panel to cause hook can be effectively prevented.

Drawings

Fig. 1 is a schematic partial structural view of an elevator according to an embodiment of the present invention;

fig. 2 is a schematic view of a part of the internal structure of the elevator provided by the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a door lock device according to an embodiment of the present invention;

FIG. 4 is an enlarged view of the structure labeled A in FIG. 3;

fig. 5 is a schematic structural view of a sliding door panel according to an embodiment of the present invention;

FIG. 6 is an enlarged view of FIG. 5, labeled B;

fig. 7 is an enlarged view of the structure labeled C in fig. 6.

In the figure:

10. a sliding door panel; 20. an elevator door frame;

100. a lock lever mechanism; 110. a bending part; 120. a latch hook;

200. an elastic reset member; 210. a reset action part;

300. a fixing mechanism; 310. installing a bolt; 320. a first sleeve; 330. a second sleeve; 340. a third sleeve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures associated with the present invention are shown in the drawings, not all of them.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of operation, but 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 thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Fig. 1 shows a schematic view of a part of the structure of an elevator provided by an embodiment of the present invention, and fig. 2 shows a schematic view of a part of the internal structure of an elevator provided by an embodiment of the present invention. Referring to fig. 1 and 2, the present embodiment provides a door-lock apparatus, which is mainly applied to an elevator. The door locking device is installed on the sliding door plate 10 of the elevator, can be automatically locked when the sliding door plate is closed, and can be automatically unlocked when the sliding door plate is opened, so that the problem that the door lock protrudes out of the sliding door plate to cause hook hanging can be effectively prevented.

Fig. 3 shows a schematic structural diagram of a door lock device provided in an embodiment of the present invention, fig. 4 shows an enlarged view of a structural mark a in fig. 3, fig. 5 shows a schematic structural diagram of a sliding door panel provided in an embodiment of the present invention, fig. 6 shows an enlarged view of a structural mark B in fig. 5, and fig. 7 shows an enlarged view of a structural mark C in fig. 6. Referring to fig. 3 to 7, the door-lock apparatus provided in the present embodiment includes a lock lever mechanism 100, an elastic restoring member 200, and a fixing mechanism 300. The fixing mechanism 300 is used to connect the lock lever mechanism 100 and the elastic restoring member 200 to the sliding door panel 10. The elastic restoring member 200 is a key component of the locking lever mechanism 100 to achieve automatic locking and unlocking.

With reference to fig. 2 and 3, one end of the lock rod mechanism 100 is bent to form a bent portion 110, the other end is a lock hook 120, a through hole is formed on a side portion of the sliding door panel 10, the bent portion 110 is inserted into the through hole, when the sliding door panel 10 is closed, an end portion of the bent portion 110 abuts against the elevator door frame 20, a guide hole is formed below the side portion of the sliding door panel 10, and the lock hook 120 can pass through the guide hole and be locked to the elevator door frame 20.

Specifically, the locking lever mechanism 100 is formed by bending a steel wire, has a certain supporting property and rigidity, and is easy to form and simple to manufacture. The bending-formed locking rod mechanism 100 includes a rod body, two ends of the rod body are respectively a bending portion 110 and a locking hook 120, the locking rod mechanism 100 is installed on the sliding door panel 10 by using a fixing mechanism 300, and the rod body is arranged parallel to the sliding door panel 10.

More specifically, the angle between the bending portion 110 and the rod body of the locking rod mechanism 100 is a right angle. The bent portion 110 is perpendicular to the side portion of the sliding door panel 10 and can extend into a via hole at the side portion of the sliding door panel 10.

More specifically, the latch hook 120 is a rectangular frame structure perpendicular to the rod body, and the guide hole at the side of the sliding door panel 10 is a rectangular hole. The latch hook 120 is positioned opposite to the guide hole, and when the latch hook 120 extends out of the guide hole and into the elevator door frame 20, it can cooperate with a locking component in the elevator door frame 20 to lock the sliding door panel 10 and the elevator door frame 20. In the present embodiment, the locking component in the elevator doorframe 20 and the connection manner between the locking component and the latch hook 120 are both in the prior art, and the details of the present embodiment are not repeated herein.

Referring to fig. 3 to 6, the elastic restoring member 200 is hooked to the lock lever mechanism 100, and one end of the elastic restoring member abuts against the inner side of the side portion of the sliding door panel 10, and is configured to press the bending portion 110 into the through hole when the sliding door panel 10 is opened, and position the lock hook 120 at a side of the side portion of the sliding door panel 10 away from the elevator door frame 20, and opposite to the exit hole. The elastic restoring member 200 may be a torsion spring of the prior art. When the sliding door panel 10 is closed, the end of the bent portion 110 abuts against the elevator doorframe 20, and due to the interaction of forces, the bent portion 110 is pushed and retracted to drive the rod body of the lock rod mechanism 100 to swing, and the lock hook 120 extends out of the guide-out hole to lock the sliding door panel 10. When the sliding door panel 10 is opened, under the action of the elastic restoring member 200, the rod body of the locking rod mechanism 100 swings in the opposite direction, the bent portion 110 passes through the via hole, and the latch hook 120 retracts from the guide-out hole, so that the sliding door panel 10 and the elevator doorframe 20 are automatically unlocked.

Referring to fig. 5-7, the fixing mechanism 300 is fixedly connected to the sliding door panel 10, and the elastic restoring member 200 and the locking lever mechanism 100 are both installed on the fixing mechanism 300. The fixing mechanism 300 includes a mounting bolt 310, the mounting bolt 310 is fixedly mounted to the sliding door panel 10, and the locking bar mechanism 100 and the elastic restoring member 200 are both mounted to the mounting bolt 310. The installation bolt 310 penetrates through the sliding door panel 10 and is fixed by a gasket and a nut, which provides an installation basis for the locking bar mechanism 100 and the elastic restoring member 200, and the locking bar mechanism 100 can swing around the central axis of the installation bolt 310.

Specifically, referring to fig. 7, the fixing mechanism 300 further includes a first sleeve 320 and a second sleeve 330, the first sleeve 320 and the second sleeve 330 are disposed at an interval, and both are sleeved on the mounting bolt 310, and the elastic restoring member 200 is partially sandwiched between the first sleeve 320 and the second sleeve 330. The middle portion of the elastic restoring member 200 is spirally bent to form a restoring acting portion 210, and the restoring acting portion 210 is sleeved on the mounting bolt 310 and clamped between the first sleeve 320 and the second sleeve 330 to form a torsion spring. The second sleeve 330 may be selected from a flange spacer of the prior art.

More specifically, the fixing mechanism 300 further includes a third sleeve 340, the third sleeve 340 is sleeved on the mounting bolt 310 and spaced from the second sleeve 330, and a part of the locking rod mechanism 100 is movably clamped between the second sleeve 330 and the third sleeve 340. The middle portion of the locking rod mechanism 100 is spirally bent to form a positioning portion, the positioning portion is rotatably sleeved on the mounting bolt 310 and clamped between the second sleeve 330 and the third sleeve 340, and the locking rod mechanism 100 can swing around the central axis of the mounting bolt 310. The third sleeve 340 may also be selected from a flange spacer of the prior art.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements, and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A door lock device, comprising:

the locking mechanism comprises a locking rod mechanism (100), one end of the locking rod mechanism (100) is bent to form a bent part (110), the other end of the locking rod mechanism is a locking hook (120), a through hole is formed in the side part of a sliding door panel (10), the bent part (110) is inserted into the through hole, when the sliding door panel (10) is closed, the end part of the bent part (110) abuts against an elevator door frame (20), a guide hole is formed in the sliding door panel (10), and the locking hook (120) can penetrate through the guide hole and is locked on the elevator door frame (20);

the elastic resetting piece (200) is hooked to the lock rod mechanism (100), one end of the elastic resetting piece (200) abuts against the side part of the sliding door panel (10), and the elastic resetting piece is configured to press the bending part (110) into the via hole when the sliding door panel (10) is opened, position the latch hook (120) on one side of the side part of the sliding door panel (10) deviating from the elevator door frame (20) and directly face the guide-out hole;

fixing mechanism (300), fixing mechanism (300) link firmly in sliding door plant (10), elasticity reset piece (200) with locking lever mechanism (100) all install in fixing mechanism (300).

2. Door-locking device according to claim 1, characterized in that said fixing means (300) comprise a mounting peg (310), said mounting peg (310) being fixedly mounted to said sliding door panel (10), said locking lever means (100) and said elastic return member (200) being mounted to said mounting peg (310).

3. The door lock device according to claim 2, wherein the fixing mechanism (300) further comprises a first sleeve (320) and a second sleeve (330), the first sleeve (320) and the second sleeve (330) are disposed at an interval and are respectively sleeved on the mounting bolt (310), and the elastic restoring member (200) is partially sandwiched between the first sleeve (320) and the second sleeve (330).

4. The door lock device according to claim 3, wherein the fixing mechanism (300) further comprises a third sleeve (340), the third sleeve (340) is sleeved on the mounting bolt (310) and spaced from the second sleeve (330), and the lock rod mechanism (100) is partially sandwiched between the second sleeve (330) and the third sleeve (340).

5. The door lock device according to claim 4, wherein a positioning portion is formed by spirally bending a middle portion of the lock rod mechanism (100), the positioning portion is rotatably sleeved on the mounting bolt (310) and clamped between the second sleeve (330) and the third sleeve (340), and the lock rod mechanism (100) can swing with a central axis of the mounting bolt (310) as an axis.

6. The door lock device according to claim 4, wherein the middle portion of the elastic reset member (200) is spirally bent to form a reset acting portion (210), and the reset acting portion (210) is sleeved on the mounting bolt (310) and clamped between the first sleeve (320) and the second sleeve (330).

7. The door lock device according to claim 1, wherein the angle between the bending portion (110) and the rod body of the locking rod mechanism (100) is a right angle.

8. The door lock device according to claim 1, wherein the latch hook (120) is a rectangular frame structure, and the angle between the latch hook and the rod body of the lock rod mechanism (100) is a right angle, and the exit hole is a rectangular hole.

9. Door-locking device according to any one of claims 1 to 8, characterized in that the locking bar mechanism (100) is made of steel wire.