CN216641749U - Locking mechanism for opening and closing device - Google Patents

Abstract

The utility model discloses a locking mechanism for an opening and closing device, which comprises a mechanism shell, wherein the mechanism shell is provided with an accommodating cavity formed in the mechanism shell, a lock tongue inlet and outlet is arranged on the mechanism shell, a middle locking mechanism is arranged in the accommodating cavity, the middle locking mechanism comprises a lock hook, one end of the lock hook is a lock tongue, and the middle locking mechanism also comprises a lock hook control unit; the latch hook control unit includes: the mechanism comprises a push rod, a main sliding block body and a trigger sliding block, wherein a lock hook is rotationally connected with a mechanism shell, the main sliding block body is slidably connected with the mechanism shell, two ends of the push rod are respectively connected with the lock hook and the main sliding block body, and the trigger sliding block is connected with the main sliding block body. The utility model can be simultaneously applied to a flat-open type or push-pull type opening and closing device, the locking hook is controlled to rotate between 0-90 degrees by the locking hook control unit, so that locking and opening are realized, the torsion generated by the dead weight of the locking hook is overcome by the torsion spring, the locking hook is ensured to be hidden in the mechanism shell all the time, and the personal safety of an operator is effectively protected.

Description

Locking mechanism for opening and closing device

Technical Field

The utility model belongs to the technical field of locks, and particularly relates to a locking mechanism for an opening and closing device.

Background

An opening and closing device (such as a door and a cabinet) is a device which is opened or closed by two parts through rotating motion or translational motion.

In the prior art, the locking of the opening and closing device is realized through a door lock type structure or a bolt type structure.

The disadvantage of the prior art is that the locking mechanism in the prior art is mainly suitable for a flat-open type (rotary type) opening and closing mechanism, is not suitable for a push-pull type (translation type) opening and closing device, and is mainly represented as an unsuitable mounting mode. The lock tongue or the lock hook of the door lock type structure is generally arranged outside one of the parts, and the lock tongue or the lock hook can cause safety problems such as scratch, collision and the like in the using process. The latch type locking mechanism is difficult to install in an opening and closing device which is small in structural size and has no installation frame.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Based on the above, the utility model provides a locking mechanism for an opening and closing device, which aims to solve the technical problems that the locking mechanism in the prior art is only suitable for a side-hung (rotary) opening and closing mechanism and the locking mechanism in the prior art is limited in safety risk and installation size.

(II) technical scheme

In order to solve the technical problems, the utility model provides a locking mechanism for an opening and closing device, which comprises a mechanism shell, wherein the mechanism shell is provided with an accommodating cavity formed in the mechanism shell, a lock tongue inlet and outlet communicated with the accommodating cavity and an external space is arranged on the mechanism shell, a middle locking mechanism is arranged in the accommodating cavity and comprises a lock hook, one end of the lock hook is a lock tongue, and the middle locking mechanism also comprises a lock hook control unit used for controlling the lock tongue to be accommodated in the accommodating cavity or extend out of the accommodating cavity through the lock tongue inlet and outlet; wherein: the latch hook control unit includes: the lock hook is rotationally connected with the mechanism shell, the main slider body is connected with the mechanism shell in a sliding mode, two ends of the push rod are respectively connected with the lock hook and the main slider body, and the trigger slider is connected with the main slider body and used for controlling the main slider body to slide, so that the spring bolt is controlled to move through the push rod.

Preferably, the mechanism shell further comprises a control groove communicated with the accommodating cavity and the external space, one end of the trigger slider is connected with the main slider body, the other end of the trigger slider is connected with one end of the trigger push rod, and the other end of the trigger push rod extends out of the accommodating cavity through the control groove.

Preferably, the control groove comprises a transverse guide groove and a vertical positioning groove which jointly form an L shape.

Preferably, the main sliding block body is provided with a vertical guide groove, the bottom of the vertical guide groove is provided with a trigger sliding block baffle, the trigger sliding block is accommodated in the vertical guide groove, and a trigger reset compression spring is arranged between the trigger sliding block baffle and the trigger sliding block.

Preferably, the number of the middle locking mechanisms is two, the two middle locking mechanisms are symmetrically arranged in the accommodating cavity, and a main reset compression spring is arranged between the two main sliding block bodies of the two middle locking mechanisms.

Preferably, one end of the trigger push rod, which extends out of the accommodating cavity, is fixedly connected with a cylindrical disc-shaped thumb wheel.

Preferably, the middle locking mechanism further comprises a torsion spring for providing a torsion spring force for the locking hook to enable the locking hook to be accommodated in the accommodating cavity.

Preferably, be equipped with sunken first torsional spring joint groove that forms in the mechanism casing, be equipped with sunken second torsional spring joint groove that forms on the latch hook, the both ends of torsional spring joint respectively in first torsional spring joint groove and second torsional spring joint inslot.

Preferably, the mechanism casing include the welt and with the welt encloses jointly become accept the lock shell in chamber, the spring bolt is imported and exported and the control slot is located on the lock shell, still be equipped with first connecting hole on the welt, still be equipped with the second connecting hole on the lock shell, pass simultaneously through threaded connection spare first connecting hole and second connecting hole realize the fixed of welt and lock shell links to each other.

Preferably, the locking mechanism for the opening and closing device further comprises a locking port body matched with the mechanism shell for use, a locking hole is formed in the position, right opposite to the spring bolt, of the locking port body, and the spring bolt extends out of the accommodating cavity and enters the locking hole.

(III) advantageous effects

Compared with the prior art, the locking mechanism for the opening and closing device has the beneficial effects that:

by adopting the locking mechanism for the opening and closing device, when the locking mechanism is opened, the lock hook is of a hidden structure, so that the safety problems of scratching, collision and the like of the lock tongue or the lock hook in the use process are avoided, the safety problem caused by leakage of the lock hook can be fundamentally prevented, and the personal safety of an operator is effectively protected.

The locking mechanism for the opening and closing device also has the advantages of simple operation, strong reliability and light overall structure weight, and can be simultaneously applied to a side-hung (rotary) or push-pull (translation) opening and closing device.

In addition, the locking mechanism for the opening and closing device has the advantages of strong bearing capacity and high reliability, and can be widely applied to locking of the opening and closing device with strong vibration, impact and the like.

Drawings

The features and advantages of the present invention will be more clearly understood by reference to the accompanying drawings, which are illustrative and not to be construed as limiting the utility model in any way, and in which:

fig. 1 is a front view of the overall structure of a locking mechanism for an opening and closing device according to an embodiment of the present invention;

fig. 2 is a plan view of the entire structure of a locking mechanism for an opening and closing device according to an embodiment of the present invention;

fig. 3 is a front view of an intermediate locking mechanism among the locking mechanisms for an opening and closing device according to the embodiment of the present invention;

FIG. 4 is a top view of FIG. 3;

FIG. 5 is a left side view of FIG. 3;

fig. 6 is a rear view of fig. 3.

Description of reference numerals:

1. the lock comprises a lining plate, 2, a lock opening body, 3, an intermediate locking mechanism, 4, a lock shell and 5, a main reset compression spring. 31. The locking hook, 32, the push rod, 33, the trigger slider, 34, the main slider body and 35, the reset compression spring is triggered. 36. The locking device comprises a trigger slide block baffle, 37 parts of torsion springs, 38 parts of trigger push rods, 39 parts of thumb wheels, 41 parts of bolt inlets and outlets, 42 parts of control grooves, 311 parts of bolts, 312 parts of second torsion spring clamping grooves, 331 parts of vertical guide grooves, 421 parts of transverse guide grooves and 422 parts of vertical positioning grooves.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms than those specifically described herein, and it will be apparent to those skilled in the art that many more modifications are possible without departing from the spirit and scope of the utility model.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; the two elements may be mechanically or electrically connected, directly or indirectly connected through an intermediate medium, or connected through the inside of the two elements, or "in transmission connection", that is, connected in a power manner through various suitable manners such as belt transmission, gear transmission, or sprocket transmission. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The locking mechanism for the opening and closing device of the present invention will be further described with reference to fig. 1 to 6.

The utility model discloses a locking mechanism for an opening and closing device, which comprises a mechanism shell, wherein the mechanism shell is provided with an accommodating cavity formed in the mechanism shell, a bolt inlet and outlet 41 for communicating the accommodating cavity with an external space is arranged on the mechanism shell, a middle locking mechanism 3 is arranged in the accommodating cavity, the middle locking mechanism 3 comprises a locking hook 31, one end of the locking hook 31 is a bolt 311, and the middle locking mechanism 3 also comprises a locking hook control unit for controlling the bolt 311 to be accommodated in the accommodating cavity or extend out of the accommodating cavity through the bolt inlet and outlet 41; wherein: the latch hook control unit includes: the locking mechanism comprises a push rod 32, a main slider body 34 and a trigger slider 33, wherein a locking hook 31 is rotationally connected with a mechanism shell, the main slider body 34 is slidably connected with the mechanism shell, two ends of the push rod 32 are respectively connected with the locking hook 31 and the main slider body 34, and the trigger slider 33 is connected with the main slider body 34 and used for controlling the main slider body 34 to slide, so that the action of a locking tongue 311 is controlled through the push rod 32.

More specifically, the locking mechanism for the opening and closing device further comprises a locking port body 2 matched with the mechanism shell, a locking hole is formed in the position, opposite to the locking tongue 311, of the locking port body 2, and the locking tongue 311 extends out of the accommodating cavity and enters the locking hole.

More specifically, the mechanism shell includes welt 1 and the lock shell 4 who encloses into jointly with welt 1 and accept the chamber, and spring bolt exit 41 and control slot 42 are located on the lock shell 4, still are equipped with first connecting hole on the welt 1, still are equipped with the second connecting hole on the lock shell 4, pass first connecting hole and second connecting hole simultaneously through threaded connection spare and realize that welt 1 and lock shell 4's fixed links to each other.

In this embodiment, the latch hook control unit is configured to control the latch tongue 311 to be received in the receiving cavity or to be extended out of the receiving cavity through the latch tongue entrance/exit 41, and the latch tongue 311 is in an unlocked state when received in the receiving cavity and in a locked state when extended out of the receiving cavity.

Referring to fig. 3, taking the middle locking mechanism 3 on the left side in fig. 3 as an example, when the trigger slider 33 is manually controlled to move leftward, the main slider 34 is pushed to move leftward, the main slider 34 approaches the lock hook 31 and pushes the lock hook 31 to rotate counterclockwise via the push rod 32, so as to ensure that the lock tongue 311 is received in the receiving cavity, and by controlling the position of the trigger slider 33, the lock tongue 311 is ensured to be in a state of being received in the mechanism housing when in the unlocked state. When the trigger slider 33 is manually controlled to move rightwards, the main slider body 34 can be pushed to move rightwards, the main slider body 34 moves away from the lock hook 31 and pulls the lock hook 31 to rotate clockwise through the push rod 32, and the lock tongue 311 extends out of the accommodating cavity. That is, the locking hook 31 can rotate between 0 to 90 ° under the action of the locking hook control unit, so as to achieve locking and unlocking.

The locking mechanism for the opening and closing device has small integral structure size and correspondingly smaller required installation size, so the locking mechanism for the opening and closing device can be simultaneously suitable for a flat-open type (rotary type) or a push-pull type (translational type) opening and closing device, and has wide application range. When the lock is unlocked, the lock tongue 311 is hidden in the mechanism shell, so that the safety problems that an operator is scratched and knocked by the lock tongue 311 and the like in the using process can be effectively avoided, meanwhile, the lock tongue 311 is protected, and the service life of the lock tongue 311 is effectively prolonged.

According to the embodiment of the present invention, the mechanism housing further includes a control slot 42 communicating the receiving cavity and the external space, one end of the trigger slider 33 is connected to the main slider body 34, the other end of the trigger slider 33 is connected to one end of the trigger push rod 38, and the other end of the trigger push rod 38 extends out of the receiving cavity through the control slot 42.

More specifically, the end of the trigger pusher 38 that extends out of the housing is fixedly connected to a thumb wheel 39 in the form of a cylindrical disk.

More specifically, the control groove 42 includes a lateral guide groove 421 and a vertical positioning groove 422 that together constitute an "L" shape.

More specifically, a vertical guide groove 331 is formed in the main slider body 34, a trigger slider baffle 36 is arranged at the bottom of the vertical guide groove 331, the trigger slider 33 is accommodated in the vertical guide groove 331, and a trigger return compression spring 35 is arranged between the trigger slider baffle 36 and the trigger slider 33.

More specifically, the rotation angle range of the latch hook 31 is 0 to 90 °, and when the latch hook 31 is at 0 °, the latch hook 31 is in a horizontal state, and at this time, the latch tongue 311 is received in the receiving cavity. When the latch hook 31 is at 90 °, the latch hook 31 is in a vertical state, and at this time, the latch tongue 311 extends out of the receiving cavity.

Referring now to FIG. 1 with emphasis, in the above embodiment, the addition of the thumb wheel 39 facilitates operator control of the movement of the main slider body 34 from outside the mechanism housing. During the use, stir thumb wheel 39 through the manual work and remove to drive main slider body 34 and trigger slider 33 along horizontal direction reciprocating motion, horizontal guide way 421 is used for guaranteeing the stability and the smoothness nature of removal for the horizontal migration direction of thumb wheel 39. When the thumb wheel 39 is moved to the left in the horizontal direction to the extreme position, the latch tongue 311 is retracted, and the lock mechanism is in the unlocked state.

When the thumb wheel 39 moves to the right along the horizontal direction to the limit position, the latch bolt 311 extends, and the locking mechanism is in a locking state. When the main sliding block body 34 needs to be fixed at the position, the dial wheel 39 is continuously pulled upwards, the trigger push rod 38 enters the vertical positioning groove 422, then the trigger push rod moves upwards along the vertical positioning groove 422, the trigger return compression spring 35 is compressed, and finally the dial wheel 39 is located at the top of the vertical positioning groove 422. At this moment, under the limiting displacement of vertical constant head tank 422 lateral wall, even operating personnel loosens the hand, main slider body 34 can not take place horizontal migration yet, has guaranteed locking state's stability.

When the locking mechanism needs to be in the unlocking state again, the dial wheel 39 is shifted downwards, the trigger push rod 38 slides into the transverse guide groove 421 from the vertical positioning groove 422, and when the dial wheel 39 moves to the limit position to the left in the horizontal direction, the lock bolt 311 is retracted, and the locking mechanism is in the unlocking state.

According to the embodiment of the utility model, the number of the intermediate locking mechanisms 3 is two, the two sets of intermediate locking mechanisms 3 are symmetrically arranged in the accommodating cavity, and the main return compression spring 5 is arranged between the two main slider bodies 34 of the two sets of intermediate locking mechanisms 3.

In this embodiment, through setting up locking mechanism 3 in the middle of two sets of, can provide the locking position that two intervals set up, do benefit to the firm locking that realizes the device that opens and shuts, multiplicable locking power simultaneously. Therefore, the locking mechanism for the opening and closing device can be suitable for locking a heavy-load bearing door and a vehicle cabinet door needing to bear impact load. When the middle locking mechanism 3 is two groups, the opening and closing of each group of middle locking mechanism 3 can be controlled independently. In specific implementation, characters or arrows for indicating the opening and closing directions can be arranged on the surface of the lock shell 4, so that the convenience of operation can be further improved.

According to the embodiment of the present invention, the intermediate locking mechanism 3 further includes a torsion spring 37 for providing a torsion spring force to the locking hook 31 so that the locking hook 31 is accommodated in the accommodating cavity.

Referring to fig. 6, more specifically, a first recessed torsion spring engaging groove is formed in the mechanism housing, a second recessed torsion spring engaging groove 312 is formed in the locking hook 31, and two ends of the torsion spring 37 are engaged in the first torsion spring engaging groove and the second torsion spring engaging groove 312 respectively.

In this embodiment, the torsion spring 37 is used to overcome the torque generated by the self weight of the locking hook 31, so that the locking hook 31 is in a horizontal state under the action of the torsion spring 37, that is, the locking tongue 311 is hidden in the mechanism housing, thereby further improving the safety performance of use.

In addition to the above-mentioned examples, the present invention may have other embodiments. If the position of the lock hook 31 is changed, the direction of the control slot 42 on the lock shell 4 is changed, and the number of the intermediate locking mechanisms 3 is changed (one or more). The scheme formed by the changes belongs to the protection scope of the utility model.

Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the utility model, and such modifications and variations fall within the scope defined by the appended claims.

Claims (10)

1. A locking mechanism for an opening and closing device is characterized by comprising a mechanism shell, wherein the mechanism shell is provided with an accommodating cavity formed in the mechanism shell, a spring bolt inlet and outlet communicated with the accommodating cavity and an external space is formed in the mechanism shell, a middle locking mechanism is arranged in the accommodating cavity and comprises a lock hook, a spring bolt is arranged at one end of the lock hook, and the middle locking mechanism further comprises a lock hook control unit used for controlling the spring bolt to be collected into the accommodating cavity or extend out of the accommodating cavity through the spring bolt inlet and outlet; wherein: the latch hook control unit includes: the lock hook is rotationally connected with the mechanism shell, the main slider body is connected with the mechanism shell in a sliding mode, two ends of the push rod are respectively connected with the lock hook and the main slider body, and the trigger slider is connected with the main slider body and used for controlling the main slider body to slide, so that the spring bolt is controlled to move through the push rod.

2. The locking mechanism for the opening and closing device as claimed in claim 1, further comprising a control slot communicating the housing cavity and the external space, wherein one end of the trigger slider is connected to the main slider body, the other end of the trigger slider is connected to one end of a trigger push rod, and the other end of the trigger push rod extends out of the housing cavity through the control slot.

3. The locking mechanism for an opening and closing device according to claim 2, wherein the control groove comprises a horizontal guide groove and a vertical positioning groove which jointly form an "L" shape.

4. The locking mechanism for an opening and closing device according to claim 3, wherein a vertical guide groove is formed on the main slider body, a trigger slider baffle is arranged at the bottom of the vertical guide groove, the trigger slider is accommodated in the vertical guide groove, and a trigger reset compression spring is arranged between the trigger slider baffle and the trigger slider.

5. The locking mechanism for an opening and closing device as claimed in claim 4, wherein the number of the intermediate locking mechanisms is two, the two sets of the intermediate locking mechanisms are symmetrically arranged in the accommodating cavity, and a main return compression spring is arranged between the two main sliding block bodies of the two sets of the intermediate locking mechanisms.

6. The locking mechanism for the opening and closing device as claimed in claim 5, wherein one end of the trigger push rod extending out of the accommodating cavity is fixedly connected with a cylindrical disk-shaped thumb wheel.

7. The locking mechanism for an opening and closing device of claim 6, wherein the intermediate locking mechanism further comprises a torsion spring for providing a torsion spring force for the locking hook to allow the locking hook to be accommodated in the accommodating cavity.

8. The locking mechanism for an opening and closing device according to claim 7, wherein a first torsion spring clamping groove formed by depression is formed in the mechanism housing, a second torsion spring clamping groove formed by depression is formed in the lock hook, and two ends of the torsion spring are respectively clamped in the first torsion spring clamping groove and the second torsion spring clamping groove.

9. The locking mechanism for an opening and closing device of claim 8, wherein the mechanism housing comprises a lining plate and a lock housing enclosing the accommodating cavity together with the lining plate, the bolt inlet/outlet and the control slot are arranged on the lock housing, the lining plate is further provided with a first connecting hole, the lock housing is further provided with a second connecting hole, and the lining plate and the lock housing are fixedly connected by penetrating through the first connecting hole and the second connecting hole through a threaded connector.

10. The locking mechanism for an opening and closing device according to any one of claims 1 to 9, further comprising a locking port body used in cooperation with the mechanism housing, wherein a locking hole is formed in a position of the locking port body facing the locking tongue, and the locking tongue extends out of the receiving cavity and enters the locking hole.

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