CN215889623U - Novel modularization crank lock - Google Patents

Abstract

The utility model provides a novel modularization crank lock, including the handle, locking mechanical system, latch mechanism and body base, the surface of body base has the accommodation space that is used for packing into the handle, the accommodation space front end sets up the equipment groove, detachably installs the pivot with latch mechanism linkage complex in the equipment groove, the front end of handle is rotatable to be connected the location in the mounting groove of pivot, the rear end of body base is provided with the assembly space that is used for assembling locking mechanical system, the opening both sides internal face in assembly space is equipped with relative spout in the horizontal transversal dissection of front and back level, correspond in the both sides of lock core fixing base the spout is provided with the slider, assemble the location fit in order to constitute locking mechanical system and body base in the spout through the slider. The utility model adopts the modular design, adopts the structural design of easy disassembly and assembly for the assembly and the connection of the lock core fixing seat part of the handle part and the base body, can realize the free combination of the modular multi-style and also reduces the maintenance cost of the crank lock.

Description

Novel modularization crank lock

Technical Field

The utility model relates to a lock, in particular to a locking mechanism of a crank lock, which comprises a straight pull type crank lock and a rotary type crank lock, is suitable for locking doors, cabinets and other objects, and is particularly suitable for locking an electrical control cabinet.

Background

The crank lock is widely applied to the fields of industrial cabinets, engineering mechanical equipment, communication, medical technology, refrigeration, food industry, environmental technology, rail locomotives and the like due to the advantages of small occupied space and high protection level. The crank lock commonly used at present comprises a body base and a handle, wherein a locking mechanism is arranged between the handle and the body base, and the handle is locked on the body base in a locking state; when the door is opened, the following three steps are needed: firstly, unlocking a locking mechanism between a handle and a body base, and pulling a hand away from the body base; secondly, rotating the handle under the state that the handle is separated from the body base, and rotating the handle clockwise or anticlockwise by 90 degrees to unlock the crank lock; and thirdly, pulling the door open. The inventor finds that the prior art has at least the following defects in the process of implementing the utility model: in the existing crank lock, one designed crank lock can only correspond to one type of handle and one type of lock cylinder component, the product type is single, expansibility is not provided, and when one part of the crank lock is damaged, the whole crank lock needs to be replaced, so that the maintenance cost is high; and a part of a common crank lock handle protrudes outwards, which has bad influence on the overall aesthetic degree of the cabinet body.

Therefore, how to solve the above-mentioned deficiencies of the prior art is a subject to be studied and solved by the present invention.

Disclosure of Invention

The utility model aims to provide a novel modularized crank handle lock.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a novel modular crank lock comprises a handle, a locking mechanism, a latch mechanism and a body base; the front end of the handle is a rotating end and is rotationally connected with the front end of the body base, and the rear end of the handle is a locking end; the locking mechanism is arranged at the rear end of the body base and matched with the locking end of the handle to lock and unlock the handle; the latch mechanism is arranged at the front end of the body base and is matched with the rotating end of the handle to lock and unlock the crank lock; the innovation points are as follows:

the outer surface of the body base is provided with an accommodating space for accommodating a handle, the front end of the accommodating space is provided with an assembling groove in the up-down direction, a rotating shaft which is in linkage fit with the door latch mechanism is detachably arranged in the assembling groove, the rotating shaft is provided with a cylindrical seat body, an installing groove is formed in the seat body, and the front end of the handle rotates around a horizontal shaft and is positioned in the installing groove;

an assembly space for assembling the locking mechanism is arranged at the rear end of the body base, an opening is formed in one side, facing the rear of the body base, of the assembly space, and opposite sliding grooves are formed in the inner wall surfaces of the two sides of the opening in a front-back horizontal transverse direction; the locking mechanism comprises a lock cylinder fixing seat and a lock cylinder fixed on the lock cylinder fixing seat in a replaceable mode, sliding blocks are arranged on two sides of the lock cylinder fixing seat corresponding to the sliding grooves and assembled into the sliding grooves through the sliding blocks to form positioning fit of the locking mechanism and the body base.

The utility model is explained below:

1. in the scheme, the accommodating space for accommodating the handle is formed in the body base, and the handle can be hidden to be flush with the upper surface of the body base by the accommodating space, so that the protruding part of the outer part of the crank lock door can be reduced, and the integral attractiveness of the cabinet body can be ensured to the greatest extent; the rotating shaft is assembled in the assembling groove arranged in the accommodating space of the body base and can be rotated and positioned and connected with the handle, so that the handle part can be combined with handle components in different forms, including two forms of a tool lock cylinder form and a row piece lock cylinder form without a dust cover, and the like, and the handle part has a modularization function; the assembly mode of the lock cylinder fixing seat and the body base is designed into a mode of assembling the sliding groove through the sliding block, so that the lock cylinder fixing seat can be clamped into the sliding groove of the body base in a sliding mode to be fixed, the assembly of the lock cylinder fixing seat is more convenient and faster, the lock cylinder fixing seat and a lock cylinder on the lock cylinder fixing seat can be modularized to be configured, the lock cylinder fixing seat can be replaced in different forms according to different requirements, and the modularization function is also achieved.

2. In the scheme, two side walls of the rotating shaft mounting groove are provided with opposite pin holes, the pin holes and the front end of the handle are penetrated through by pins to form the handle which is rotatably connected to the rotating shaft, the front end of the handle is also provided with a torsion spring, the pins penetrate through the torsion spring, and two action ends of the torsion spring are respectively abutted against the handle and the rotating shaft; come assembled joint through the pin between handle and the pivot to wear to establish the torsional spring that can elastic action handle and pivot on the pin, thereby make the handle can bounce under the effect of torsional spring after the unblock, can the person of facilitating the use go to grip the handle, and the design is more reasonable, has improved the smoothness nature and the convenience of crank lock work.

3. In the scheme, the rib arranged around the circumferential direction of the end part is arranged at least one end part of the pin, so that the pin is more firmly matched with the pin hole when the pin is inserted into the pin hole of the rotating shaft, the handle is ensured to be stably and firmly assembled in place, and the handle does not fall off in the using process.

4. In the scheme, the rear end of the handle is provided with a hook which is used for being linked with the locking mechanism to lock and unlock, the rear end of the lock cylinder fixing seat is rotatably connected with a lock hook corresponding to the hook, and the lock cylinder fixing seat and the lock hook are both installed in the rear cover.

5. In the scheme, the rear end of the handle is rotatably connected with a dustproof cover; the hinged position of the dust cover and the handle is provided with a limiting spring which is used for limiting the dust cover and the handle under different hinged angles, the limiting spring adopts a wire spring, and when the dust cover rotates relative to the handle, the limiting spring supports against the dust cover and the handle constantly, so that the dust cover can be positioned horizontally and 90 degrees (or 110 degrees).

6. In the utility model, the inner wall of the sliding groove above the sliding groove extends downwards to form a limiting block, and the limiting block is matched with the inner wall of the sliding groove to limit the movement of the sliding block perpendicular to the front-back horizontal direction.

7. In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, coupled between two elements, or coupled in any other manner that does not materially affect the operation of the device, unless otherwise specifically limited. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

8. In the present invention, the terms "center", "front", "rear", "axial", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional arrangements shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

Due to the application of the scheme, compared with the prior art, the utility model has the following advantages and effects:

1. according to the scheme, the accommodating space for accommodating the handle is formed in the body base, and the handle can be hidden to be flush with the upper surface of the body base through the accommodating space, so that the protruding part of the outer part of the crank lock door can be reduced, and the integral attractiveness of the cabinet body can be guaranteed to the greatest extent.

2. According to the technical scheme, the modular design is adopted, the assembly and connection modes of the lock cylinder fixing seat part of the handle part and the base body are both in the structural design of easy disassembly and assembly, when the crank lock product is produced, the handles in different forms and the lock cylinder fixing seats in different forms can be replaced according to different requirements, the crank lock can be large or small, and the modular multi-style free combination can be realized.

3. According to the scheme, due to the fact that the modular design is adopted, when one part of the module is damaged, the whole module does not need to be replaced, and cost is reduced.

4. The scheme of the utility model has the advantages of light weight, waterproof and dustproof functions, improvement of the protection grade of the lock body and high safety factor.

Drawings

FIG. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is an assembly schematic of an embodiment of the present invention;

FIG. 3 is a cross-sectional view of an embodiment of the present invention;

FIG. 4 is an exploded view of an embodiment of the present invention;

FIG. 5 is a schematic view of a handle according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a lock cylinder fixing seat in the embodiment of the utility model;

FIG. 7 is a schematic structural diagram of a pin in an embodiment of the present invention;

FIG. 8 is a rear view of an embodiment of the present invention in an initial closed state;

FIG. 9 is a right side view of an embodiment of the present invention in an initial closed state;

FIG. 10 is a front view of an embodiment of the present invention in an initial closed state;

FIG. 11 is a schematic cross-sectional view of the embodiment of the present invention when the dust cap is turned over during opening;

FIG. 12 is a cross-sectional view of the latch hook and handle hook being disengaged during opening of the embodiment of the present invention;

FIG. 13 is a schematic cross-sectional view of the embodiment of the present invention when the handle is flipped open;

FIG. 14 is a perspective view of an embodiment of the present invention in an initial open state;

FIG. 15 is a rear view of an embodiment of the present invention in an initial open position;

FIG. 16 is a right side view of an embodiment of the present invention in an initial open position;

FIG. 17 is a front view of an embodiment of the present invention in an initial open state;

FIG. 18 is a schematic cross-sectional view of the handle rotated to the same orientation as the base of the body during the latching operation in accordance with an embodiment of the present invention;

FIG. 19 is a schematic cross-sectional view of an embodiment of the present invention showing the handle depressed and the handle and shackle locked during a locking procedure;

FIG. 20 is a cross-sectional view of an embodiment of the present invention during the locking process with the dust cap depressed and fully locked.

In the above drawings:

1. a handle; 101. a rotating end; 102. a locking end; 11. a hook; 12. a dust cover; 121. a limiting spring;

2. a body base; 201. an accommodating space; 202. an assembly space; 21. an assembly groove; 22. a rotating shaft; 221. a base body; 222. mounting grooves; 223. a pin hole; 224. a pin; 2241. ribs; 225. a torsion spring; 23. an opening; 231. a chute; 232. a limiting block;

3. a locking mechanism; 31. a lock cylinder fixing seat; 311. a slider; 32. a latch hook; 33. a shifting fork;

4. a latch mechanism; 41. an adapter; 42. a latch body;

5. and (7) a rear cover.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

As shown in fig. 1 to 4, the novel modular crank lock comprises a handle 1, a locking mechanism 3, a latch mechanism 4 and a body base 2; the front end of the handle 1 is a rotating end 101 which is rotatably connected to the front end of the body base 2, and the rear end of the handle 1 is a locking end 102; the locking mechanism 3 is arranged at the rear end of the body base 2 and is matched with the locking end 102 of the handle 1 to lock and unlock the handle 1; the latch mechanism 4 is disposed at the front end of the body base 2, and is engaged with the rotation end 101 of the handle 1 to lock and unlock the crank lock.

In the embodiment of the present invention, as shown in fig. 5, the outer surface of the body base 2 has an accommodating space 201 for accommodating the handle 1, the front end of the accommodating space 201 is provided with an assembling groove 21 in the up-down direction of the body base 2, a rotating shaft 22 cooperating with the latch mechanism 4 is detachably installed in the assembling groove 21, the rotating shaft 22 has a cylindrical seat 221, an installing groove 222 is opened on the seat 221, and the front end of the handle 1 can be rotated in the front-back horizontal direction of the body base 2 to be positioned and connected in the installing groove 222;

as shown in fig. 5, the rear end of the body base 2 is provided with an assembling space 202 for assembling the locking mechanism 3, the assembling space 202 forms an opening 23 towards one side of the rear of the body base 2, and the inner wall surfaces at two sides of the opening 23 are provided with opposite sliding grooves 231 in a front-back horizontal transverse direction; the locking mechanism 3 includes a lock cylinder fixing seat 31 and a lock cylinder replaceably fixed on the lock cylinder fixing seat 31, as shown in fig. 6, two sides of the lock cylinder fixing seat 31 are provided with sliding blocks 311 corresponding to the sliding grooves 231, the sliding blocks 311 are assembled into the sliding grooves 231 to form a positioning fit between the locking mechanism 3 and the body base 2, the sliding grooves 231 are located above, the inner walls of the sliding grooves 231 extend downwards to form a limiting block 232, and the limiting block 232 is matched with the inner walls of the sliding grooves 231 to limit the movement of the sliding blocks 311 perpendicular to the front-back horizontal direction.

In the above embodiment of the present invention, as shown in fig. 4, two side walls of the installation groove 222 of the rotating shaft 22 are provided with opposite pin holes 223, a pin 224 is provided through the pin hole 223 and the front end of the handle 1 to form the handle 1 to be rotatably connected to the rotating shaft 22, the front end of the handle 1 is further provided with a torsion spring 225, the pin 224 is provided through the torsion spring 225, and two acting ends of the torsion spring 225 respectively abut against the handle 1 and the rotating shaft 22; handle 1 and pivot 22 come the erection joint through pin 224 to wear to establish the torsional spring 225 that can elastic action on handle 1 and pivot 22 on pin 224, thereby make handle 1 can bounce under torsional spring 225's effect after the unblock, can the person of facilitating the use go to hold handle 1, and the design is more reasonable, has improved the smoothness nature and the convenience of crank lock work. As shown in fig. 7, at least one end of the pin 224 is provided with a rib 2241 circumferentially arranged around the end, so that when the pin 224 is inserted into the pin hole 223 of the rotating shaft 22, the pin 224 is firmly matched with the pin hole 223, and the handle 1 is stably and firmly assembled in place and is not detached in use.

In the above embodiment of the present invention, as shown in fig. 4, the rear end of the handle 1 is provided with a hook 11 for interlocking with the locking mechanism 3 to perform locking and unlocking, the rear end of the key cylinder fixing base 31 is rotatably connected with a locking hook 32 corresponding to the hook 11, and both the key cylinder fixing base 31 and the locking hook 32 are installed in the rear cover 5. The rear end of the handle 1 is rotatably connected with a dustproof cover 12; the hinged part of the dust cover 12 and the handle 1 is provided with a limiting spring 121, a plurality of grooves at different positions are arranged on the handle 1 corresponding to the limiting spring 121 and used for limiting the dust cover 12 and the handle 1 at different hinged angles, the limiting spring 121 adopts a wire spring, and when the dust cover 12 rotates relative to the handle 1, the limiting spring 121 constantly supports against the dust cover 12 and the handle 1, so that the dust cover 12 can be positioned at a horizontal position and at a 90 degree (or 110 degree) position.

The initial closed state, the initial open state, the opening process and the locking process of the crank lock will be described below by taking the crank lock of the handle 1 having the dust cover 12 as an example, and the latch body 42 of the crank lock includes an adapter 41 rotatably engaged with the rotating shaft 22 and a latch body 42 interlocked with the adapter 41.

Initial closed state referring to fig. 8 to 10, the latch body 42 is in the initial position, the handle 1 and the dust cap 12 are in the locked position, and the locking mechanism 3 is shielded by the dust cap 12;

the opening process can be seen with reference to fig. 11 to 13, with the following steps:

1. as shown in fig. 11, the dust cap 12 is turned up to 90 °, and the dust cap 12 is limited and fixed by the limiting spring 121;

2. as shown in fig. 12, the lock cylinder rotates to drive the shift fork 33, the shift fork 33 shifts the lock hook 32 to rotate, and the lock hook 32 is separated from the hook 11 of the handle 1;

3. as shown in fig. 13, the handle 1 is bounced under the action of the torsion spring 225, at this time, the handle 1 can be rotated, the rotating shaft 22 drives the latch body 42 through the adapter 41 (the adapter 41 and the latch body 42 can be linked by square and square groove fit, and the interior of the latch body can be linked by rack meshing), so as to unlock.

And after the crank lock is unlocked, the crank lock enters an initial opening state.

Initial open state referring to fig. 14 to 17, handle 1 is pulled up and latch 42 is in the open position after spindle 22 is rotated 90 ° by the rotating head.

The locking process can be seen with reference to fig. 18 to 20, with the following steps:

1. turning handle 1 to the same orientation as handle 1 and body base 2, as shown in FIG. 18, latch 42 system locks the door;

2. as shown in fig. 19, the handle 1 is pressed down to lock the handle 1 and the locking hook 32;

3. the dust cap 12 is depressed as shown in fig. 20, at which point full locking is complete.

After the crank lock is locked, the crank lock is re-entered into the initial closed state as shown in fig. 8 to 10.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (6)

1. A novel modular crank lock comprises a handle (1), a locking mechanism (3), a latch mechanism (4) and a body base (2); the front end of the handle (1) is a rotating end (101) which is rotatably connected to the front end of the body base (2), and the rear end of the handle (1) is a locking end (102); the locking mechanism (3) is arranged at the rear end of the body base (2) and is matched with the locking end (102) of the handle (1) to lock and unlock the handle (1); the latch mechanism (4) is arranged at the front end of the body base (2) and is matched with the rotating end (101) of the handle (1) to lock and unlock a crank lock; the method is characterized in that:

the outer surface of the body base (2) is provided with an accommodating space (201) used for accommodating the handle (1), the front end of the accommodating space (201) is provided with an assembling groove (21) in the up-down direction, a rotating shaft (22) in linkage fit with the door latch mechanism (4) is detachably mounted in the assembling groove (21), the rotating shaft (22) is provided with a cylindrical base body (221), an installing groove (222) is formed in the base body (221), and the front end of the handle (1) rotates around a horizontal shaft and is positioned in the installing groove (222);

an assembly space (202) for assembling the locking mechanism (3) is arranged at the rear end of the body base (2), an opening (23) is formed in one backward side of the assembly space (202), and opposite sliding grooves (231) are horizontally and transversely cut in the front and back direction on the inner wall surfaces at two sides of the opening (23); the locking mechanism (3) comprises a lock cylinder fixing seat (31) and a lock cylinder fixed on the lock cylinder fixing seat (31) in an exchangeable mode, sliding blocks (311) are arranged on two sides of the lock cylinder fixing seat (31) corresponding to the sliding grooves (231), and the sliding blocks (311) are assembled into the sliding grooves (231) to form positioning fit of the locking mechanism (3) and the body base (2).

2. A novel modular crank lock according to claim 1, characterized in that: offer relative pinhole (223) on the both sides wall of pivot (22) mounting groove (222), wear to establish pinhole (223) through pin (224) and the front end of handle (1) in order to constitute handle (1) rotate connect in pivot (22), the front end of handle (1) still is equipped with torsional spring (225), and torsional spring (225) are worn to establish in pin (224), and two effects ends of torsional spring (225) offset with handle (1), pivot (22) respectively.

3. A novel modular crank lock according to claim 2, characterized in that: at least one end of the pin (224) is provided with a rib (2241) arranged circumferentially around the end.

4. A novel modular crank lock according to claim 1, characterized in that: the rear end of the handle (1) is provided with a hook (11) which is used for being linked with the locking mechanism (3) to lock and unlock, the rear end of the lock cylinder fixing seat (31) is rotatably connected with a lock hook (32) corresponding to the hook (11), and the lock cylinder fixing seat (31) and the lock hook (32) are both installed in the rear cover (5).

5. A novel modular crank lock according to claim 1, characterized in that: the rear end of the handle (1) is rotatably connected with a dustproof cover (12); a limiting spring (121) is arranged at the hinged position of the dust cover (12) and the handle (1) and used for limiting the dust cover (12) and the handle (1) at different hinged angles.

6. A novel modular crank lock according to claim 1, characterized in that: the sliding groove (231) is located on the upper portion, the inner wall of the sliding groove (231) extends downwards to be provided with a limiting block (232), and the limiting block (232) is matched with the inner wall of the sliding groove (231) to limit movement of the sliding block (311) in the direction perpendicular to the front-back horizontal direction.

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